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ELECTRCAL MACHINE

The laboratory is equipped with all types of AC and DC machines mainly covered under B.Tech. curriculum. Through hands on experiments with real machines, students gain practical experience in using various AC and DC motors, alternator, transformers, starters etc. Various types of experiments related to electrical machinery like load test, break test, loss separation and OC and SC characteristics, V-curve etc are done in this lab. There are so many experiments during which students determine the electromechanical characteristics of machines and analyze the machine performance under variable supply and load in steady-state conditions. There is also computer interfacing facility with the different machines.

ELECTRCAL MACHINE

MAIN EQUIPMENTS

  1. DC Shunt Motor Coupled To Non Salient pole Alternator with Synchronization Panel Set
    • DC Shunt Motor - 5.2kw,1500rpm,220v,28A 
    • Non Slient Alternator - 3φ,415V,5kva, 6.9A,1500rpm
  2. DC Shunt Motor Panel Set.
    • DC Shunt Motor: 3.5kw,1500rpm,220v,18.6A
    • Resistive Load Bank: 3φ,440V,5kw
  3. DC Series Motor Coupled With DC Series Generator Panel Set
    • DC Series Motor: 3.5kw,1500rpm, 230v,20A
    • DC Series Generator: 3.5kw,1500rpm, 220v,16A
    • Resistive Load Bank: 1φ,230VDC 3.5kwDC
  4. 1ф (CSCR&CSIR Type) A.C Motor With Control Panel
    • 1φ Induction Motor: 1.5/2 kw/HP,1440rpm, 230v,5.6A
  5. Pole Changing Induction Motor With  Control Panel
    • 3φ Induction Motor: 5 kw/HP,1440rpm, 415v,7.5A
  6. Universal Motor With Control Panel
    • Universal (A.C/D.C) Motor: 1.5kw,1500rpm, 220v,8.4A
  7. 3 ф Squirrel cage Induction  motor
    • 3φ,Squirrel cage Induction Motor: 3.7 kW, 7 A, 1440 rpm
  8. 3KVA, 3 ф Transformer
  9. 1KVA, 3 ф  Tertiary Transformer
  10. 20A, 3 ф Auto Transformer 
  11. 1.5/3φ/400VWorking Cut Section of Slip-Ring Induction Motor 
  12. 1Hp/230V/1500 rpmWorking Cut Section of DC Motor 
  13. 1KVA/3φ/Silent pole 400V/Working Cut  Section of  Aultarnator
  14. Three Phase Power Logger

MAIN EQUIPMENTS

EXPERIMENTS

  1. To find the efficiency & percentage voltage regulation of a single phase transformer by direct load test
  2. To perform open circuit and short circuit test on single phase transformer
  3. To perform parallel operation of two single-phase transformers.
  4. To perform the sumpner’s test on single phase transformer & obtain efficiency and regulation
  5. To perform load test on d.c. Series generator.
  6. To perform the speed control of a d.c. Shunt motor.
  7. To obtain magnetization characteristics of shunt generator.
  8. To obtain the internal and external characteristics of a dc shunt generator.
  9. To perform no load and blocked rotor test on 3-ϕ induction motor to determine the equivalent circuit parameter of given induction motor.
  10. To obtain load characteristic of an alternator by performing direct load test & determine voltage regulation.
  11. To determine the voltage regulation of an alternator by synchronous impedance  method
  12. To obtain ‘v’ curve of a synchronous motor at no load.
  13. To perform synchronization of a 3-ф alternator with the grid using synchroscope.
  14. To perform speed control of 3-ф induction motor using pole changing.

EXPERIMENTS