Answer Posted / viraj
normally above voltage 10kv called voltage source
their are of two types
1.system generated
when ckt connected or disconnected
2.lightning
lightning stroke over the current caring conductor.
surge current means inrush current
it takes 5 to 10 times current when instrument starts for first time
| Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
Differentiate between ideal and non ideal current sources?
While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens
What is contract demand in solar system?
Earth bits close or open. Which is correct
What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?
In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?
Can anybody tell abt concrete encased earthing or grounding?
why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?
what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?
what is the method of earthing of a transformer using electrodes?
what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor
how to select battery for 15 KVA UPS with formula
Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.
Give some differences between open loop and closed loop control systems.
