Educational Motors & Machines


Electrical Transmission Line Trainer

Code:EET1731

Transmission Line is the key learning concept for Electrical Engineers. Transmission Line Training System is exclusively designed to deliver the learning aspects of the electrical transmission line. Digital display is provided for easy measurement of Voltage, Current, Power, Power Factor, etc. These parameters help students to learn the characteristics of transmission line and calculations of the ABCD, H, Z parameters.

Students can perform various experiments like short, medium and long transmission line and their behavior. Also one of the important experiment which can be per for med with this training system is Ferranti Effect.

Features:

  • Voltage, Current, Power, Power Factor Measurement
  • Simultaneous display of sending & receiving end
  • Inbuilt Variable AC Supply
  • Big Graphical LCD
  • Exclusive and attractive designed panel
  • Stand alone operation
  • Designed by considering all safety precautions
  • Diagrammatic representation for ease of connections
  • Extensive Learning Material CD
  • 2 Year Warranty

Scope of Learning

  • To study Short Circuit, Medium, Long Transmission Line
  • Determine the ABCD, H, Z and Image parameters of Short Transmission Line
  • Determine the ABCD, H, Z and Image parameters of Medium Transmission Line
  • For T network
  • For Pi network
  • Determine the ABCD, H, Z and Image parameters for Long Transmission Line
  • Measure the receiving end voltage of each line under no load or lightly load condition to understand Ferranti effect
  • Understand the performance of transmission line under different loads

Technical Specifications

  • Mains Supply : 230 V ±10%, 50 Hz
  • Single Phase Variac
  • Input : 230 V
  • Output : 0-270 V
  • Current : 0-5 Amp

Home Automation Electrical Wiring Trainer

Code:EET1736

It is the basic training course tutor in electrical technology. The training system consists of various electrical components used in home automation and wiring technology. Provision to interconnect individual component with safe terminals on facia. Consists variety of Electrical Safety protection devices and up to moderate Video Door Phone and Interphone devices.

Features:

  • Demo of various tones/ functions like Dial, busy, ring tones & functions like Trunk dial, Redial, call receive, call pickup, call hold, call forward, call forward cancel, Automatic call back,call conference, call Transfer, Barge in & direct trunk access etc. 230VAC, 50VA mains operation
  • Shock proof safety Banana Terminals & patch cords for inter connections & operations
  • MS fabricated powder painted control panel
  • Poly carbonate/Venyl front facia with precision machined back support

Technical Specifications

  • (1) Two pole incoming mains switch socket with fuse protection and self illumination : 230VAC @ 6A
  • (2) Short circuit Protector : 230VAC @ 6A
  • (3) Earth leakage circuit breaker : 230VAC @ 100Ma earth fault / leakage current
  • (4) Watt Hour Meter : Digital display of V, I, COS Ò, KWHa & KWHr
  • (5) Distribution module : L, N, E safety Terminals
  • (6) Expansion Module : Provision to multiply the connection point
  • (7) Mains outlet module : 230VAC @ 5A & 16A 2 pin socket - 1 no, 3 pin mains sockets - 2 nos & 3 pin power sockets -2nos
  • (8) House wiring : Rocker switch 4 nos , 2way switch : 2nos
  • (9) Lamps and sockets : 15,40,60,100 Watts with 4 sockets, 1Ft Fluorescent Tubes : 1 no
  • (10) Relay Module: Time delay Relay : programmable time delay 30/60Sec on delay 230Vac
  • (11) Electric Heater: 1KW immersion coil, Induction/ Electric Pan: 1KW, Temp 250oc
  • (12) Step down transformer : 15VAC @ 1A
  • (13) Push buttons & Latching Switch : Push to on and Push to off
  • (14) 6 way Selector switch: 230VAC @ 5A
  • (15) Eye day light module : LDR/ Infra red day light switch with sensor, Sensitivity adjustment, LED annunciation & 1c/o Relay,
  • (16) Fire, Smoke sensing module : Temp and smoke sensing with LED annunciation, Fire acknowledge and reset, 1contact
  • (17) Gas leak sensing module : Gas sensing with sensor, Sensitivity adjustment, LED annunciation & 1c/o Relay
  • (18) Home door video : LCD color video door phone, hands free & door bell module
  • (19) Interphone Module : 1 x 4 Intercom with RJ connectors on plug sockets, Pulse & Tone dialing, Cross point space division technology, 64KEEPROM, loop resistance : Extension- 600W, Co-line 1200W, Cross talk attenuation >70dBm
  • (20) Buzzer : 1 No.

Ward Leonard Method of DC Machine

Code:EET1741

Ward Leonard Method of DC Machine is an elite training system for Electrical Laboratories. The product helps you to get fully acquainted with the basic concepts and functioning of a DC machines.

The product demonstrates the Ward-Leonard Method of DC Machine through which user can not only operate but also control the speed of DC Machine in either direction without using DC supply.

Separate terminals of Armature and Field windings are brought out on a terminal box fitted on top of the Motor so that one can connect them separately to the panel and can perform experiment correspondingly.

Reverse connecting Switch is provided to control the speed of DC Motor in either direction. The trainer thus provides explicit understanding of the subject. All protection devices are in built so there is almost no chance of fault or danger to user.

Scope of Learning

  • To study the speed control of Separately Excited DC Shunt Motor in either direction by Ward Leonard Method.

Features:

  • Stand alone operation
  • Mechanical Coupling Arrangement
  • Exclusive and rugged designed panel
  • High quality meters
  • Standard BS-10 safety terminals
  • Designed by considering all the safety precautions
  • Diagrammatic representation for the ease of connections

Technical Specifications

  • Input mains Supply : Three Phase 415V, ±10%, 50Hz

Machines Specification (2 Nos.)

  • Both the Machines are flexibly coupled and mounted on a M.S. channel base acts as a Motor Generator set.

AC Three Phase Squirrel Cage Induction Motor acts as a Prime Mover

  • Rating : 1 HP
  • Voltage Rating : 415 V
  • RPM : 1440 (No Load)
  • Insulation : Class 'B'

DC Shunt Motor

  • Rating : 1 HP
  • Voltage Rating : 200 V
  • RPM : 1500 (No Load)
  • Insulation : Class 'B'

Extra D.C. Shunt Motor 200 V for which the speed can be Controlled using Motor Generator set.

  • Rating : 1/2 HP
  • Voltage Rating : 200 V
  • RPM : 1500 (No Load)
  • Insulation : Class 'B'

Meters used

  • Voltmeter (MC) : 1 Nos.
  • Ammeter (MC) : 2 Nos.
  • Dimensions (mm) : W 450 X D 600 X H 450
  • Weight : Control panel : 19.50 Kg.
  • Motor : 60 Kg.
  • Optional Item : Three Phase Variac

DC Supply

Code:EET1746

DC Supply is used in electrical engineering laboratories for the purpose of conducting experiments in DC Machines and Circuits. This product provides 200V Fixed and Variable DC output for continuous operation with an over current protection. Output voltage and current can being continuously monitored by front panel meters. The main power assembly consists of a thyristor bridge circuit which rectifies the incoming AC supply to produce a Fixed DC supply. Rectified voltage can be varied by altering the firing angle of the thyristors thereby providing Variable DC Output to the DC Machines

Features:

  • Over Current protection
  • Field failure protection
  • Suitable to run in series and shunt mode of machine
  • Low cost thyristor based design
  • Seperate section for Fixed and Variable Supply
  • Easy to handle
  • Provided with supply indication lamp
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Input Mains : 230V AC ±10%, 50Hz
  • DC Output Voltage
  • Fixed : 200V, 3A
  • Variable : 0-200V, 12A
  • Analog Voltmeter : 300V
  • Analog Ammeter : 15A
  • Single Phase MCB : 16A
  • Dimensions (mm) : W 450 x D 250 x H 340
  • Weight : 9kg (approximate)

RLC Resonance Trainer

Code:EET1751

RLC Resonance Trainer is unique product that provides a complete learning content for both Series and Parallel Resonance. Resonance is an interesting phenomenon in electrical circuits in which Inductive and Capacitive elements behave to make a Zero Impedance circuit. This explanation is given with the help of Passive circuits on the Trainer. Multiple combination of components has been provided so that students can calculate Resonance Frequencies for different combinations. Concept of Resonance Frequency is explained very clearly which can be easily seen either on Oscilloscope or on the board display.

Features:

  • LCD Voltmeter and Frequency Counter
  • Inbuilt Signal Generator
  • Low cost trainer demonstrating both Series and Parallel Resonance
  • Experiments can be performed with or without Oscilloscope
  • Inbuilt power supply
  • Extensive E-Manual
  • 2 Year Warranty

Technical Specifications

  • Mains Supply : 90 - 275 V, 50 / 60 Hz
  • Generator Output : 8Vpp
  • Frequency Ranges : 1 KHz, 10 KHz, 60 KHz
  • Voltmeter : 2V

Scope of Learning

  • Study of Series R-L-C Resonance and to determine its Resonance Frequency.
  • Study of Parallel R-L-C Resonance and to determine its Resonance Frequency.

Three Phase Synchronous Motor Lab

Code:EET1756

Three Phase Synchronous Motor Lab is an adaptable Training System for the Electrical Laboratories. The product helps in getting fully acquainted with the basic concepts, functioning and operating principle of a Three Phase Synchronous Motor. The product includes experiment such as V and inverse V curve of synchronous motor. For engineering students it is important to know how the variation of field current can affect the power factor of the Synchronous Motor and hence improve the system's performance.

Separate terminals of windings brought out on a terminal box fitted on top of the motor so that one can connect them separately to the control panel and can perform experiment correspondingly. All protection circuits are in built. So there is very less chance of fault or danger to user. The varied scope of learning makes the subject easily understandable.

Features:

  • Flexible Shaft Coupling Arrangement
  • Centre-Tapped Wattmeter being used for better precision
  • Equipped with supply indication lamps
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Attractive Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Mains Supply : Three Phase, 415V±10%, 50Hz
  • Machines Specification (2 Nos.)
  • Both the Machines are flexibly coupled and mounted on a M.S. Channel base
  • Three Phase Synchronous Motor
  • Type : Salient Pole
  • Rating : 3 HP
  • Voltage rating : 415V ±10%
  • Speed : 1500 RPM
  • Insulation : Class 'B'
  • Excitation Voltage : 120V
  • DC Machine (Acts as generator)
  • Type : Shunt
  • Rating : 2 HP
  • Voltage Rating : 200V
  • Speed : 1500 RPM (no load)
  • Insulation : Class 'B'
  • Analog Meters Used
  • AC Ammeter (MI type) : 10A
  • DC Ammeter (MC Type) : 2A
  • AC Voltmeter (MI type) : 500V
  • DC Voltmeter (MC Type) : 300V
  • Wattmeter : 1500 - 0- 1500W (2 Nos. )
  • MCB (TPN) : 10A
  • Dimensions (mm) : W 600 x D 450 x H 600 (Control Panel)
    W 250 x D 900 x H 400 (MG Set)
  • Weight : 18.5kg (approximate) (Control Panel)
  • 106kg (approximate) (MG Set)

Scope of Learning

  • To study the V curve of Three Phase Synchronous Motor
  • To study the Inverse V curve of the Three Phase Synchronous Motor

Optional

  • Three Phase Variac, 10A
  • DC Power Supply
  • Resistive Load

Measurement of Xd and Xq of Three Phase Synchronous Machine

Code:EET1761

Measurement of Xd and Xq of Three Phase Synchronous Machine is an exclusive product designed to demonstrate the operating principle and functioning of Three Phase Synchronous Generator. This machine lab can change the mechanical energy to electrical energy. It helps students to analyse and calculate the significant parameters such as positive, negative & zero sequence impedance, direct & Quadrature axis reactance etc. to correctly construct Three Phase Synchronous Generator.

It includes separate terminals for rheostat and three point starter provided on the control set-up so that students can make connections by themselves with adequate protections.

Features:

  • Electrical Loading Arrangement
  • Flexible Shaft Coupling Arrangement
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Equipped with supply indication lamps
  • Terminals provided to use the optional externally
  • Equipped with supply indication lamps
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Compact Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Mains Supply : Three Phase, 415V±10 %, 50Hz
  • DC Power Supply
  • Input Mains : 230V AC, 50Hz
  • Fixed DC output : 200V
  • Variable DC output : 0 - 200V
  • Machines Specification (2 nos.)
  • Both the Machines are flexibly coupled and mounted on "C" channel base
  • DC Machine
  • Type : Shunt
  • Rating : 2HP
  • Voltage Rating : 200V
  • Speed : 1500 RPM (no load)
  • Insulation : Class "B"
  • Three Phase Synchronous Machine
  • Type : Star Connected
  • Voltage Rating : 415V
  • Rating : 3HP
  • Speed : 1500 RPM (no load)
  • Excitation Voltage : 120V
  • Insulation : Class "B"
  • Analog Meters used
  • DC Voltmeter : 300V
  • DC Ammeter : 10A
  • AC Voltmeter : 500V, 20V
  • AC Ammeter : 10A, 2A
  • MCB (TPN) : 10A
  • Dimensions (mm) : W 600 x D 450 x H 600 (Control Panel)
    W 250 x D 900 x H 400 (MG set)
  • Weight : 17.5kg (approx.) (Control Panel)
  • 106kg (approx.) (MG Set)

Scope of Learning

  • Study and Measurement of Direct Axis (Xd) and Quadrature Axis (Xq) Reactance by Slip Test
  • Study and Measurement of Positive Sequence Impedance of Three Phase Synchronous Generator
  • Study and Measurement of Negative Sequence Impedance of Three Phase Synchronous Generator
  • Study and Measurement of Zero Sequence Impedance of Three Phase Synchronous Generator

Optional

  • DC Power Supply (for machines rated upto 2HP/3HP respectively)
  • Rheostat 2.8A, 220V
  • Three Phase Variac, 10A

Three Phase Synchronous Generator Lab

Code:EET1766

Three Phase Synchronous Generator Lab is an exclusive & important product designed to provide comprehensive learning about fundamental concepts and operating principles of Three Phase Synchronous Generator. Synchronous Generators are the primary source of electrical energy. These are used to convert mechanical power derived from (steam, gas, or hydraulic) turbine to ac electric power. The product provides hands-on experiments like Open Circuit Characteristic of Synchronous Generator and study of the relation between field current and armature voltage.

The product is very easy to use. All protection circuits are in built so there is very less chance of fault or danger to user. The varied scope of learning makes the subject's understanding complete.

Features:

  • Electrical Loading Arrangement
  • Flexible Shaft Coupling Arrangement
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Equipped with supply indication lamps
  • Terminals provided to use the optional externally
  • Equipped with supply indication lamps
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Compact Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • DC Power Supply
  • Input Mains : 230V AC, 50Hz
  • Fixed DC output : 200V
  • Variable DC output : 0 - 200V
  • Machines Specification (2 Nos.)
  • Both the Machines are Flexibly Coupled and Mounted on a M.S. channel Base
  • DC Machine (acts as Prime Mover)
  • Type : Shunt
  • Rating : 2HP
  • Voltage Rating : 200V
  • Speed : 1500 RPM (no load)
  • Insulation : Class 'B'
  • Three Phase Synchronous Motor (acts as Generator)
  • Type : Salient Pole
  • Rating : 3HP
  • Voltage rating : 415V ±10%
  • Speed : 1500 RPM (no load)
  • Insulation : Class 'B'
  • Excitation Voltage : 120V
  • Analog Meters Used
  • DC Voltmeter (MC) : 300V
  • DC Ammeter (MC) : 10A, 1A
  • AC Ammeter (MI) : 10A
  • AC Voltmeter (MI) : 500V (2 Nos. )
  • Dimensions (mm) : W 600 x D 450 x H 600 (Control Panel)
    W 250 x D 900 x H 400 (MG set)
  • Weight :17.5kg (approximate) (Control Panel)
  • 106kg (approximate)(MG Set)

Scope of Learning

  • To study the Open Circuit Characteristics (OCC) of Three Phase Synchronous Generator
  • To study the short circuit characteristics (SCC) of three Phase Synchronous Generator

Induction Motor Compound Generator Lab

Code:EET1771

Induction Motor Compound Generator Lab is an adaptive training system for Electrical laboratories. It is designed to demonstrate the fundamental concepts of DC Compound Generator on different loading conditions. The diagrammatic representation is provided on the control panel so that students can make connections themselves. All protection circuits are inbuilt, so there is very less chance of fault or danger.

Features:

  • Electrical loading arrangement
  • Flexible shaft coupling arrangement
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Equipped with supply indication lamps
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Compact Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Mains Supply : Three Phase, 415V±10%, 50Hz
  • Machine Specifications
  • Both the Machines are flexibly coupled and mounted on a 'C' Channel base
  • Three Phase Induction Motor (acts as prime mover)
  • Type : Squirrel Cage
  • Rating : 2HP
  • Voltage Rating : 415V AC
  • Speed : 1440 RPM (no load)
  • Insulation : Class 'B'
  • DC Machine (acts as generator)
  • Type : Compound
  • Rating : 1HP (also available with 2HP & 3HP)
  • Speed : 1500 RPM (no load)
  • Insulation : Class 'B'
  • Analog Meters used
  • DC Voltmeter (MC) : 300V (2 Nos.)
  • DC Ammeter (MC) : 5A (2 Nos.)
  • AC Voltmeter (MI) : 500V
  • AC Ammeter (MI) : 5A
  • MCB (TPN) : 10A
  • Dimensions (mm) : W 600 x D 450 x H 600 (Control Panel)
    W 180 x D 900 x H 285 (MG set)
  • Weight : 17kg (approx.) (Control Panel) 55kg (approx.) (MG Set)

Scope of Learning

  • Study and verify the Load Characteristics of Long Shunt Cumulatively Compound Generator
  • Study and verify the Load Characteristics of Short Shunt Cumulatively Compound Generator
  • Study and verify the Load Characteristics of Long Shunt Differentially Compound Generator
  • Study and verify the Load Characteristics of Short Shunt Differentially Compound Generator

Optional

  • Three Phase Variac 10A
  • Resistive Load(for machines rated upto 1HP/ 3HP respectively

Three to Six Phase Conversion Trainer

Code:EET1776

Three to Six Phase Conversion Trainer is a comprehensive training product used to illustrate the core concepts of Electrical Engineering. With this product, user can learn of how Three Phase Supply can be converted into Six Phase with proper phase shift by using three Single Phase Transformers. Separate terminals are provided to analyze Six Phase waveform using Single Phase as a reference waveform. The product familiarizes with the phenomenon of Polarity usually expressed as a round dot. User can also get to know the significance of Three Phase Parameters and verify the Star and Delta connection properties.

Features:

  • Separate terminals to analysis waveforms
  • Three Identical Single Phase Transformer
  • Equipped with supply indication lamps
  • Equipped with bulb holder to use load
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Attractive Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Mains supply : Three Phase, 415V ±10%, 50Hz
  • Transformers Specification (3 Nos.)
  • Primary Winding : 0 - 230V
  • Secondary Winding: 30 - 0 - 30V
  • Analog Meters Used
  • Voltmeter (MI) : 300V
  • Ammeter (MI) : 1A
  • MCB (TPN) : 10A
  • Dimensions (mm) : W 600 x D 350 x H 450
  • Weight : 18kg (approx.)

Scope of Learning

  • Study of Polarity Test under Single Phase Transformer
  • Study of Three Phase Parameters of Three Phase Supply
  • Study of Three to Six Phase Conversion using 3 nos. Single Phase Transformers

Optional

  • Three Phase Variac
  • Oscilloscope

Shunt Motor Series Generator Lab

Code:EET1781

Shunt Motor Series Generator Lab is an elite training system for the Electrical laboratories. This product help students to understand basic operations of DC Series Generator. It can aptly be used for performing various experiments like Working of Generator, Analysis of Magnetic Characteristic and also efficiency at any desired load. Separate terminals of armature and field windings are provided on top of the machine. Starter and rheostat terminals are provided on the panel so that these can be connected externally to the circuit. The product thus provides complete understanding of experiments with Shunt Motor and Series Generator.

Features:

  • Specially designed BS-10 safety terminals
  • Electrical loading arrangement
  • Designed by considering all safety precautions
  • Diagrammatic representation
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • DC Power Supply
  • Input Mains : 230V AC ±10%, 50Hz
  • Fixed DC output : 200V
  • Variable DC output : 0-200V
  • Machine Specifications
  • Both the Machines are flexibly coupled and mounted on a "C" Channel base
  • DC Motor (acts as prime mover)
  • Type : Shunt
  • Rating : 1HP
  • Voltage Rating : 200V
  • Speed : 1500 RPM (no load)
  • Insulation : Class 'B'
  • DC Generator
  • Type : Series
  • Rating : 1HP (Also available with 2HP & 3HP)
  • Speed : 1500 RPM (no load)
  • Insulation : Class B
  • Meters used
  • DC Voltmeter (MC) : 300V (2 Nos.)
  • DC Ammeter (MC) : 5A (2 Nos.), 1A
  • Dimensions (mm) : W 600 x D 450 x H 600 (Control Panel)
    W 180 x D 900 x H 310 (MG set)
  • Weight : 17kg (approx.) (Control Panel) 53kg (approx.) (MG Set)

Scope of Learning

  • Study and verify the No-Load Characteristic of DC Series Generator
  • Study and verify the Load Characteristic of DC Series Generator

Optional

  • DC Power Supply (for machines rated upto 2HP/3HP/5HP respectively)
  • Resistive Load (for machines rated upto 1HP/ 3HP respectively)
  • 3 Point Starter Rheostat 5A,110?

Field Test of DC Series Machine

Code:EET1786

Field Test of DC Series Machine is an elite training system for the Electrical laboratories. DC Machines are an important part of Electrical Engineering Syllabus and to let students understand the basic operation of DC Series Generator, this product play a vital role. It can aptly be employed for performing various exercises like Generator's Working, analysis Magnetic Characteristic, calculate efficiency of both Motor and Generator at any desired load can be predetermined in a easiest manner. Separate terminals of armature and field windings brought out on a terminal box fitted on top of the Motor. The training system includes terminals for Rheostat and Starter so that devices can be connected externally to the panel. The product thus provides explicit understanding of the subject.

Features:

  • Stand alone operation
  • High Quality meters
  • Mechanical coupling arrangement
  • Standard BS-10 safety terminals
  • Electrical loading arrangement
  • Designed by considering all the safety precautions
  • Diagrammatic representation for the ease of connections
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • DC Mains : 200V
  • DC Power Supply
  • Input Mains : 230V AC ±10%, 50Hz
  • DC Power Supply
  • Fixed : 180 - 200V
  • Variable : 0 - 180/200V (Please refer specifications on the motor)
  • Machine Specifications
  • Both the Machines are flexibly Coupled and Mounted on a "C" channel Base
  • DC Series Machines (2 Nos.)
  • Rating : 1HP (Also available with 5HP)
  • Speed : 1500 rpm (at load)
  • Insulation : Class "B"
  • Meters used
  • DC Voltmeter (MC) : 3 Nos.
  • DC Ammeter (MC) : 2 Nos.
  • Dimensions (mm) : W 600 x D 350 x H 600

Scope of Learning

  • To study and verify the field test of DC Series Motor and determine the efficiency of DC Series Motor and Generator

DC Series Motor Shunt Generator Lab

Code:EET1791

DC Series Motor Shunt Generator Lab is an adaptable training system for electrical Machines laboratories designed to explain the operational working and characteristic of DC Shunt Generator at different loading conditions. A shunt generator is a method of generating DC output by paralleled connection of field and armature windings and possesses inverse characteristic between load current and terminal voltage.46597 provides comprehensive learning details to demonstrate various exercises like working operation of DC Shunt Generator, no load and load characteristics etc. All connections and appearance are designed in such a manner so that it will look user friendly. Diagrammatic representations are provided on the control set-up so that students can make connections by their own. All protection circuits are in built so there is very less chance of fault or danger.

Features:

  • Provided with digital Tachometer
  • Electrical Loading arrangement
  • Shaft coupling arrangement
  • Good quality meters
  • Designed by considering all the safety standards
  • Specially designed patch cords for safety purpose
  • Diagrammatic representation for the ease of connections
  • Exclusive & Compact design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • DC Mains : 200V
  • Machines Specifications
  • Both the M-G Set are Flexibly Coupled and Mounted on a "C" channel Base
  • DC Machine (acts as prime mover)
  • Type : DC Series
  • Rating : 1HP
  • Current : 4.1A
  • RPM : 1500
  • Insulation : "B"
  • DC Machine (acts as Generator)
  • Type : DC Shunt
  • Rating : 1HP
  • Current : 4.1A
  • Generated Voltage : 180V ±10%
  • RPM : 1500 (No Load)
  • Insulation : "B"
  • Meters used
  • DC Voltmeter (MC) : 300V (2 Nos.)
  • DC Ammeter (MC) : 5A (2 Nos.)
  • DC Ammeter (MC) : 1A
  • Dimensions (mm) : W 600 x D 350 x H 450
  • Weight
  • Panel : 12.5kg (approx.)
  • MG set : 54kg (approx.)

Scope of Learning

  • Study and Measurement of Open Circuit Characteristic of DC Shunt Generator
  • Study and Measurement of Internal characteristic of DC Shunt Generator
  • Study and Measurement of External characteristic of DC Shunt Generator

Understanding Calibration of Energy Meter

Code:EET1796

Understanding Calibration of Energy Meter is designed to deliver the practical knowledge of measurement of electricity consumption in real world. Today electricity is a vital element for human society. The rapid growth in electric appliance usage has contributed to an explosive growth in electrification around the world. To use electricity better, it is required to have a deep knowledge of Electricity measurements. 46598 provides indepth knowledge of Energy meter measurements and its calibration using Voltmeter, Ammeter and Watt meter. It has two displays, one is Standard meter and another is Energy meter. The onboard LCD display works as Standard meter for calibration of Energy meter and display value of Voltage, Current and Watt. The Energy meter display provides energy consumption details. The facility to connect external Watt meter or Voltmeter and Ammeter is also provided.

Features:

  • Single phase kWh Energy meter
  • Inbuilt Voltmeter, Ammeter, Watt meter as Standard meter for calibration of Energy meter
  • Big font LCD (16 x 2) for use as Standard meter/Energy meter calibration
  • Separate Seven Segment Display as Energy meter
  • Digital Calibration/ Operation using Keypad
  • Sockets are provided to Connect External Voltmeter, Ammeter and Watt meter for Calibration
  • Default and User Calibration modes are provided to avoid errors during Operation
  • 5 LED Operation Indicators
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Auxiliary Power Supply : 90 - 270V ±10%, 50Hz
  • Standard meter
  • Voltmeter Minimum/Maximum : 10/300V
  • Ammeter Minimum /Maximum : 0.1/5A
  • Watt meter Minimum/Maximum : 10/1500W
  • Energy meter Display Resolution : 0.001kWh
  • Frequency : 50Hz
  • Fuse : 250mA (2 Nos.) 5A (4 Nos.)
  • Dimension (mm) : W 350 x D 280 x H 55

Scope of Learning

  • Study the connection of Voltmeter, Ammeter & Watt meter for Power measurement of load in Transmission line
  • Study the connection of Energy meter in Transmission line
  • Measurement of Energy in kWh
  • Calibration of Energy meter using inbuilt Watt meter
  • Calibration of Energy meter using inbuilt Voltmeter & Ammeter
  • Calibration of Energy meter using Analog Watt meter
  • Calibration of Energy meter using Analog Voltmeter & Ammeter
  • Experiments on effect of wrong Calibration on Energy meter

Induction Motor Series Generator Lab

Code:EET1801

Induction Motor Series Generator Lab is a training system designed to provide comprehensive learning and functioning of a DC Series Generator. It can be used for performing various experiments like Operating Characteristics, Terminal Voltage v/s Armature current (V-I) Characteristics and Load Characteristics, etc. All protection circuits are inbuilt, so there is very less chance of fault or danger.

Features:

  • Electrical Loading Arrangement
  • Flexible shaft coupling arrangement
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Equipped with supply indication lamps
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Compact Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Mains Supply : Three Phase, 415V±10 %, 50Hz
  • Machine Specifications
  • Both the Machines are flexibly coupled and mounted on a 'C' Channel base
  • Three Phase Induction Motor (acts as prime mover)
  • Type : Squirrel Cage
  • Rating : 2HP
  • Voltage Rating : 415V AC
  • Speed : 1440 RPM (no load)
  • Insulation : Class 'B'
  • DC Machine (acts as generator)
  • Type : Compound
  • Rating : 1HP (also available with 2HP & 3HP)
  • Speed : 1500 RPM (no load)
  • Insulation : Class 'B'
  • Analog Meters used
  • DC Voltmeter (MC) : 300V (2 Nos.)
  • DC Ammeter (MC) : 5A (2 Nos.)
  • AC Voltmeter (MI) : 500V
  • AC Ammeter (MI) : 5A
  • MCB (TPN) : 10A
  • Dimensions (mm) : W 600 x D 450 x H 600 (Control Panel)
    W 170 x D 900 x H 285 (MG set)
  • Weight : 17kg (approx.) (Control Panel) 53kg (approx.) (MG Set)

Scope of Learning

  • Study & verify No-Load Characteristics of DC Series Generator
  • Study & verify Load Characteristics of DC Series Generator

Optional

  • Three Phase Variac, 10A
  • Rheostat 5A, 110W
  • Resistive Load (for machines rated upto 1HP/3HP respectively)

Compound Motor Compound Generator Lab

Code:EET1806

Compound Motor Compound Generator Lab is a useful training system for Electrical laboratories thatnprovides comprehensive learning of DC Compound Generator. It can be employed for performing various experiments like Generator Working, Operating Characteristics, Terminal Voltage and Load Current (VI) Characteristics, etc. Students can make connections easily

Features:

  • Electrical loading arrangement
  • Flexible shaft coupling arrangement
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Terminals provided to use the optional externally
  • Equipped with supply indication lamps
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Compact Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • DC Power Supply
  • Input Mains : 230V AC ±10%, 50Hz
  • Fixed DC output : 200V
  • Variable DC output : 0-200V
  • Machines Specification
  • Both the Machines are flexibly coupled and Mounted on a 'C' channel Base
  • DC Machine (acts as prime mover)
  • Type : Compound
  • Rating : 1HP
  • Voltage Rating : 200V
  • Speed : 1500 RPM
  • Insulation : Class 'B'
  • DC Machine (acts as generator)
  • Type : Compound
  • Rating : 1HP (Also available with 2HP & 3HP)
  • Speed : 1500 RPM
  • Insulation : Class 'B'
  • Analog Meters used
  • DC Voltmeter (MC) : 300V (3 Nos.)
  • DC Ammeter (MC) : 5A (3 Nos.)
  • Dimensions (mm) : W 600 x D 450 x H 600 (Control Panel)
    W 180 x D 450 x H 600 (MG set)
  • Weight :17kg (approximate) (Control Panel)
    53kg (approximate) (MG set)

Scope of Learning

  • Study and verify the Load Characteristics of Long Shunt Cumulatively Compound Generator
  • Study and verify the Load Characteristics of Short Shunt Cumulatively Compound Generator
  • Study and verify the Load Characteristics of Long Shunt Differentially Compound Generator
  • Study and verify the Load Characteristics of Short Shunt Differentially Compound Generator

Optional

  • DC Power Supply(for machines rated upto 2HP/3HP/5HP respectively)
  • Resistive Load(for machines rated upto 1HP/ 3HP respectively)
  • Rheostat 5A,110?
  • 4 Point Starter

Slip Ring Induction Motor Lab

Code:EET1811

Slip Ring Induction Motor Lab is an important product designed to demonstrate the operating behavior & working of Three Phase Machine. It provides complete learning contents to enhance practical knowledge and makes students get to know the fundamental concepts of Three Phase Induction Machine.

The product includes comprehensive learning of various experiments such as running & reversing phenomenon, no load test, block rotor test and load test of Three Phase Induction Machine. Students can measure the equivalent circuit parameters along with losses, power factor under different loading conditions. Winding terminals brought out on top of the motor with adequate protections so that the students can make connections by themselves.

Features:

  • Machine with Mechanical Loading Arrangement
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Brake-Drum/Pulley with heat suppression facility
  • Equipped with supply indication lamps
  • Terminals provided to use the optional externally
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Compact Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Mains Supply : Three Phase, 415V ±10%, 50Hz
  • Three Phase Machine
  • Type : Slip-Ring
  • Rating : 3HP (also available with 5HP)
  • Voltage Rating : 415V
  • RPM : 1440 (No load)
  • Insulation : Class 'B'
  • Loading Arrangement : Mechanical
  • Brakedrum/Pulley : Aluminum Casted
  • Meters Used
  • Ammeter (MI) : 10A
  • Voltmeter (MI) : 500V
  • Wattmeter : 2500W (2 nos.)
  • MCB (TPN) : 10A
  • Dimensions (mm) : W 600 x D 350 x H 450 (Control Panel)
  • W 430 x D 500 X H 760 (Motor)
  • Weight :14.5kg (approximate) (Control Panel)
    :55kg (approximate) (Motor)

Scope of Learning

  • Study of Running and Reversing of Three Phase Induction Motor
  • Study of No Load Test in a Three Phase Induction Motor
  • Study of Block Rotor Test in a Three Phase Induction Motor
  • Study and Measurement of Slip in a Three Phase Induction Motor
  • Study of Speed-Torque Characteristics of Three Phase Induction Motor

Optional

  • Rotor Resistance Starter
  • Three Phase Variac, 10A

Swinburn's Test of DC Machine

Code:EET1816

Swinburn's Test of DC Machine is an important training system for Electrical Laboratories. It can be aptly employed for understanding the fundamental concepts and functioning of DC Motor. Swinburn's Test is the method through which losses are measured separately and efficiency at any desired load can be predetermined.

Separate terminals of armature and field windings brought out on a terminal box fitted on top of the Motor. The training system includes terminals for Rheostat and Starter so that devices can be connected externally to the panel. The product thus provides explicit understanding of the subject.

Features:

  • Machine with Mechanical Loading Arrangement
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Brake-Drum/Pulley with heat suppression facility
  • Equipped with supply indication lamps
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Exclusive and Compact Design
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • DC Power Supply
  • Input Mains : 230V AC ±10%, 50Hz
  • Fixed : 200V
  • Variable : 0-200V
  • DC Machine Specification
  • Type : DC Shunt
  • Rating : 1HP (also available with 2HP, 3HP & 5HP)
  • Voltage Rating : 200V
  • RPM : 1500 (no load)
  • Insulation : Class 'B'
  • Loading Arrangement : Mechanical
  • Brakedrum/Pulley : Aluminum Casted
  • Meters used
  • Voltmeter : 300V
  • Ammeter : 5A (2 nos.)
  • Dimensions (mm) : W 600 x D 350 x H 450 (Control Panel)
    W 335 x D 450 x H 560 (Motor)
  • Weight : 11kg (approx.) (Control Panel)
    : 40kg (approx.) (Motor)

Scope of Learning

  • Study and Determine the losses of DC Machine and correspondingly calculate the efficiency of DC Machine by Swinburn's Test Method

Optional

  • DC Power Supply(for machines rated upto 2HP/3HP/5HP respectively)

Hopkinson's Test of DC Machine

Code:EET1821

Hopkinson's Test of DC Machine is an adaptable training system used for Electrical Laboratory. It is designed to demonstrate the fundamental concepts and also facilitates easy learning about the various losses of DC Machine.

Two similar machines are required to carry out Hopkinson's Test. Electrically these two machines are connected in parallel to determine the Efficiency of DC Machine by separately calculating the losses.

Separate terminals of Armature and Field windings are brought out on a terminal box fitted on top of the motor. The training system includes terminals for Rheostat and Starters so that these devices can be connected externally to the panel.

46603 has been designed in such an easy way that users can observe the voltages and current of windings of both the motors. All protection devices are in built negligible chance of fault or danger.

Features:

  • Exclusive and Compact Design
  • Electrical Loading Arrangement
  • Flexible Shaft Coupling Arrangement
  • Provided with Digital Tachometer
  • Machine with Class "B" Insulation
  • Heavy Duty Base/Channel
  • Terminals provided to use the optional externally
  • Designed by considering all the safety standards
  • Diagrammatic representation for the ease of connections
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • DC Power Supply
  • Input mains : 230V AC ±10%, 50Hz
  • Fixed : 200V
  • Variable : 0-200V
  • DC Machines Specification (2 Nos.)
  • Both the Machines are flexibly coupled and mounted on a M.S. channel Base acts as a Motor Generator set
  • Type : DC Shunt
  • Rating : 1HP (Also available with 2HP & 3HP)
  • Voltage Rating : 200V
  • RPM : 1500 (no load)
  • Insulation : Class 'B'
  • Meters used
  • Voltmeter (MC) : 300V
  • Ammeter (MC) : 1A, 5A (2 nos. each)
  • Dimensions (mm) : W 600 x D 450 x H 600 (Control Panel)
    W 180 x D 900 x H 310 (MG set)
  • Weight : 17kg (approx.) (Control Panel)
    53kg (approx.) (MG set)

Scope of Learning

  • Study and obtain the losses separately and correspondingly. Determine the efficiency of a DC Shunt Machine by Hopkinson's test

Optional

  • DC Power Supply - Rheostat 5A, 110 ohms (2 Nos.)(For machine rated upto 2HP/ 3HP respectively)

Cut Section of Machines

Code:EET1826

Cut Section of Machines is an important part for all Electrical laboratories. Study of these machines is integral part of any educational course in Engineering. Student can easily understand various parts and operation of these machines with the help of these running cut section.

A comprehensive Cut Section of all types of Machines is designed to explain the working principle behind the major Machines parts. With this, students are able to see clearly the major component of the Machines and how they are interconnected, both electrically and mechanically which helps them in enhancing their knowledge.

Features:

  • Self-Contained
  • Easy to operate
  • Quality designed motor with running condition
  • Easily distinguish the internal part of machines
  • Provided with terminal box for ease of connection
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Model Nos. Rating Type of Machines
  • Nvis 7038 1 HP DC Shunt
  • Nvis 7038A 1 HP DC Compound
  • Nvis 7038B 3 HP 3-Phase AC Synchronous
  • Nvis 7038C 1 HP 3-Phase AC Squirrel Cage Induction
  • Nvis 7038D 1 HP 3-Phase AC Slip Ring Induction
  • Nvis 7038E 1 HP DC Series
  • Nvis 7038F 1 HP 1-Phase Capacitor Start
  • Capacitor Run Induction motor
  • Weight : 27kg (approximate)

Scope of Learning

  • Identification of different part of Machines
  • Understanding the functional structure of Machine

Optional

  • DC Supply
  • Single Phase Variac
  • Three Phase Variac

Single Phase Bridge Converter Drive

Code:EET1831

Single Phase Bridge Converter Drive is an Elite Training System for Power Electronic Lab to demonstrate the operational functioning of Single Phase Bridge Converter. It includes experiment such as speed control of DC Motor by using full wave SCR configuration. It helps students to know how to generate firing pulses for single phase converter using ramp comparator scheme.

46605 is equipped with SCR firing control circuit that deals with triggering, modulation and instrumentation which derives the operating characteristics and capabilities of Converter. It incorporates all the necessary test points in order to explain the gate circuit by analyzing gate waveforms at different blocks through inbuilt Power Scope. Separate terminals of armature and field winding are provided to operate the machine in either of the excitation mode

Features:

  • Power Scope for isolation measurement
  • Provided with DC Shunt Motor
  • High quality meters
  • Three Phase low voltage Supply for gate circuit
  • Three Phase Firing Circuit provided with pulse isolation
  • Test terminals provided to analyze the waveforms
  • Designed by considering all the safety precautions
  • Diagrammatic representation of circuits
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Mains Supply : 230V ±10%, 50Hz
  • Motor Specification
  • Type : DC Shunt Motor
  • Rating : 0.5HP
  • RPM : 1500
  • Power Scope : Isolated 1500Vmax
  • SCR Rating : SCR TYN616, 600V/16A
  • Diode Rating : 6A10, 1000V/6A
  • Firing Angle Control : 30° to 180°
  • Analog Meter
  • DC Voltmeter : 300V
  • DC Ammeter : 5A
  • Single Phase MCB : 2A (SPN)
  • Dimensions (mm) : W 600 x D 450 x H 600 (panel)
    W 180 x D 350 x H 310 (motor)
  • Weight
  • Panel : 18kg (approximate)
  • Motor : 23kg (approximate)

Scope of Learning

  • Study of Ramp Comparator Firing Circuit for Drive
  • Study of Single Phase Bridge Converter Drive

Three Phase AC Voltage Controller

Code:EET1836

Three Phase AC Voltage Controller is a useful Training System for Power Electronics Lab to demonstrate the operational working of Three Phase AC Voltage Controller with different loading conditions. It includes the experiment such as speed control of Three Phase AC Motor through anti-parallel SCR configurations with fine control response. It helps students to know how to generate firing pulses for three phase converter using ramp comparator scheme.

46606 is equipped with SCR firing control circuit that deals with triggering, modulation and instrumentation deriving the operating characteristics and capabilities of Converter. It incorporates all the necessary test points in order to explain the gate circuit by analyzing gate waveforms through inbuilt Power Scope.

Features:

  • Power Scope for isolation measurement
  • Provided with Three Phase Motor
  • High quality meters
  • Three Phase low voltage Supply for gate circuit
  • Three Phase Firing Circuit provided with pulse isolation
  • Test terminals provided to analyze the waveforms
  • Designed by considering all the safety precautions
  • Diagrammatic representation of circuits
  • Learning material CD
  • 2 Year Warranty

Technical Specifications

  • Three Phase Mains Supply : 415V ±10%, 50Hz
  • Three Phase Machine
  • Type :Squirrel Cage Induction Motor
  • Rated Power : 1HP
  • Rated Voltage : 415V
  • Power Scope : Isolated 1500Vmax
  • SCR Rating : SCR TYN616, 600V/16A
  • Firing Angle Control : 30° to 150°
  • Meters Used
  • Analog AC Voltmeter : 0-500V
  • Analog AC Ammeter : 0-5A
  • Three Phase MCB : 5A (TPN)
  • Dimensions (mm) : W 600 x D 450 x H 600 (panel)
    W 180 x D 350 x H 310 (motor)
  • Weight
  • Panel : 18kg (approximate)
  • Motor : 23kg (approximate)

Scope of Learning

  • Study of Three Phase Firing Circuit
  • Study of Three Phase AC Voltage Controller at Lamp Load
  • Study of Three Phase AC Voltage Controller at Motor Load
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