World’s first Gas insulated line under a river successfully commissioned (GIL Construction and advantages)
What is Trip circuit supervision relay(TCS,95)? Circuit diagram of TCS and working
What is APFC (Automatic Power Factor Correction) relay/Power Factor controller and APFC Panel ? Working and wiring diagram
What is Unitised or Package or prefabricated or compact substation (CSS/USS) ? Single line diagram, area required and advantages?
MCB(Miniature Circuit Breaker): Construction,Working (Operation),Use, Tripping Curves and Types
Buchholz relay(Gas actuated relay) in transformers-Construction, Working , Use, Diagram, specification, codes and standards , installation and testing
What is cooling class of transformer i.e. AN, ONAN, ONAF and OFAF
Differences, advantages and disadvantages of Live tank and Dead tank SF6 circuit breaker
What is LM79, LM80 and LM70 testing on lights.
Terms related to Lighting and Lighting fixtures ..
Potentiometer: Construction and Working
Bipolar Junction Transistor (BJT)
Field Effect Transistors (FET)
Induction Wattmeter
Electrodynamic or Dynamometer Instruments
Permanent Magnet Moving Coil (PMMC) Instruments
Moving Iron instruments
Current and ohm’s law
Resistor Transistor Logic(RTL)
What is the use of silica gel/breather in transformer
Difference between Live tank and dead tank current transformer
Terms related to CT/PT(Burden, Accuracy Class, Instrument Safety factor, knee point voltage etc.)
SF6 Gas circuit breaker: Construction, Working and Advantages
What is CVT(Capacitive Voltage Transformer)
Dissolved gas analysis (DGA) of Transformer Oil
Capability curves of Synchronous Generator
