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HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY
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Define active and passive network?
Explain about 3 phase motor fault current calculation with examples?
How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.
why the active power flow of some line is increased when the active power of out is cut ?
How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?
what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?
If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?
what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv
How does PLC work for sychronising of Two or more DG sets?
Define what is the function of anti-pumping in circuit breaker?
what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated
1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?
we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain
What is power in wattage of 8.5 TR AC
In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?
