Kencraft India Private Limited

Study of measurement of various parameters in 3f Star & Delta configuration

Unit consists of Low Voltage Isolated Protected 3f Supply with Complete Setup & 3 variable R, L & C Loads

Unit is divided into 3 parts mainly; 3f Supply Panel, 3f Measurement Panel & 3f RLC Load Panel

Squirrel Cage Induction Motor 7 HP, 415 V, 3f, 50 Hz, 1440 RPM, STAR / DELTA connection

Self excited DC Shunt Generator 5 KW, 440 V, 1440 RPM

Meters & Accessories are fitted inside Instrument Panel

3Ø AC, 5HP, 415V Squirrel Cage Induction Motor 1440 RPM

Meters & Accessories are fitted inside Instrument Panel

Universal Motor 1f, 750 Watts, 230 V AC, 50 Hz 1500 RPM (O.L.)

Meters & Accessories are fitted inside Instrument Panel

Complete System with Auto Transformers, ON / OFF Contactors, Voltmeters, Ammeters & Wattmeters along with Load for Panel

Performance of Transmission Line for 1f under various conditions

Miniature Transmission Line arranged to represent 3f AC long Transmission Line with ACSR Conductors 37 / 0.146 of spacing 6.7 m to transmit the Power of 90 MW at 0.9 pf

Transmission Line is arranged in 3 Phases separately to represent a Line, 80 km to 400 km long with R, L & C divided in 5 sections with Short Circuit Switch or Solid Plug Key for each section

Suitable Tap Points are provided with Fault Creating ON / OFF

Switches for study of Protection Schemes arranged

DC Shunt Motor 5 HP, 440 V, 1500 RPM

3.5 KVA Alternator, 415/220 V, 50 Hz, 3f, 4 wires 0.8 PF, 1500 RPM

Meters & Accessories are fitted inside Instrument Panel

DC Shunt Motor 3 HP, 220 V, 1500 RPM

Meters & Accessories are fitted inside Instrument Panel

DC Compound Generator 2.5 KW, 230 V, 1500 RPM

4 Pole, Self excited, Continuous Rating

Meters & Accessories are fitted inside Instrument Panel

Electrical Networks & Theorems with AC Supply using R, L & C Components

Super Position Theorem

Thevenin's Theorem

Maximum Power Transfer Theorem

Kirchoff's Current Law ( KCL )

Kirchoff's Voltage Law ( KVL )

Detection of Reverse Flow Current

Built - in precision RLC Components & Meters

Power Supply is provided with Phase Shift device to obtain desired Phase Difference

Various Experiments on Sub -Station Operation & Protection can be performed

This is a Simulator based system for study of a Sub - Station having Short / Medium / Long Transmission Line as incoming line to the Sub - Station

Separate Fault Simulation Circuit

Different Protection Schemes available

Power ( Load ) sharing between two Alternators in Parallel Operation condition

Protection for one Alternator against failure of

• A. Primover by Reverse Power Relay

• B. Infinite Bus (3Ø mains) by Reverse Power Relay

Transfer of Power from one Alternator to other Alternator in Parallel operation

Power sharing between one Alternator & Infinite Bus (3Ø mains) in Parallel Operation condition

Synchronisation of two 3Ø Alternators by

• A. Lamp method ( one dark, two bright )

• B. Synchronoscope

Synchronisation of one 3Ø Alternator & Infinite Bus 3Ø by

• A. Lamp method

• B. Synchronoscope

Regulation of 3Ø Alternator

O.C. & S.C. Test on Alternator

Regulation of 3Ø Alternator by direct loading at

• A. Unity Power Factor

• B. Zero Power Factor ( lagging )

• C. Zero Power Factor ( leading )

2 HP, 220 V,1500 RPM coupled with Mechanical Load

Suitable Friction Brake Dynamometer Set with 6” Dial type Spring Balances & Belt is fixed with Motor Base plate

Meters & Accessories are fitted inside Instrument Panel

Consists of a high Voltage & High Current Source with required Ammeters & Voltmeters

Sensors : C.T. & P.T.

Complete Set - up of Experiments to be performed on 3f Transformer & its Protection

Consists of a 3f Transformer, Meters, Contractors / Relays, CT's & other necessary accessories

Separate Fault Simulation Circuit

Different Protection Schemes available

Protection Schemes under Actual Load Condition

Consists of various Items & Equipments for Typical Protection Schemes for 1Ø Transformer

Separate Fault Simulation Circuit

Different Protection Schemes available

Various Experiments on Feeder & Motor Protection

Complete System consists of a 3f Feeder with Bus Bar, Output Line Meters, Indicating Lamps, Contactors / Relay, Protection Relay & other necessary Accessories for independent study

Necessary Non - Destructive Fault Simulations provided

Separate Fault Simulation Circuit

Different Protection Schemes available

Squirrel Cage Induction Motor 5 HP, 415 V, 3f, 50 Hz, 1440 RPM

Self excited DC Compound Generator 3 KW, 250 V, 1440 RPM

Meters & Accessories are fitted inside Instrument Panel

DC Compound motor 3 HP, 220 V, 1500 RPM

Meters & Accessories are fitted inside Instrument Panel

3Ø AC, 3HP, 415V Squirrel Cage Induction Motor 1440 RPM

Meters & Accessories are fitted inside Instrument Panel

AC Slipring Induction Motor 5HP, 415V, 3f AC, 50 Hz, 1440 RPM

Meters & Accessories are fitted inside Instrument Panel

AC Single Phase Capacitor Start Induction Motor, 1HP, 230V, 50 Hz, 1440 RPM

Meters & accessories are fitted inside Instrument panel

DC Shunt Generator 2.5 KW, 230 V, 1500 RPM

4 Pole with Interpole, Self excited, Continuous Rating

Meters & Accessories are fitted inside Instrument Panel

The trainer facilitates assembly of simple AC - DC Machines & Complete with Friction Brake Dynamometer

Study constructional details & working principle of various AC / DC Motors & Generators

Trainer is subdivided into three parts viz. Stator, Rotor & Power Supply

Trainer facilities to perform the following type of motors :

• DC Shunt Motor

• DC Series Motor

• DC Compound Motor

• Rotory Converter

• Rotory Inverter

• AC Series Motor

• DC Shunt Generator; Self & Separately excited

• DC Compound Generator; Self & Separately excited

• DC Series Generator

• Three Phase Alternator Rotating Field & Armature Type

• Three Phase Squirrel Cage Induction Motor

• Three Phase Slipring Induction Motor

• Three Phase Synchronous Motor

• Single Phase Alternator Rotating Field Type

• Single Phase Capacitor Starts Induction Motor

• Single Phase Repulsion Motor