1.Why hydrogen used for cooling in generators
2.Why electrical equipment protected by ground
3.Why earthing for transmission line
4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.
Should transformer earthing pit, to be connect to earthing mat in Substation
what is the length of air terminal in lightening arrester system.
in a 740 kw dc seperately excited motor field voltage is constant about 17.4 volts and armature voltage is500 volts dc. how it is possible to have two different voltages from single transformer of output voltage 500 volts? if any difficulty in question contact ajitsingh.kadian@gmail.com
Why the suply frequency in INDIA is 50HZ
how many earthing should need for UPS, where its connected
Battery is a voltage source? give one example of current source and why?
what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW
what is back emf?
What is the difference between KW & KVA ?
a starter used for squirrel cage induction motor?
how to calculate percentage impedence at 75 deg C at normal tap
sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?