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Hi.I want to ask how to calculate contactor rating current? for example I have 460 V , 100 A (induction motor) calculate contactor rating current?
Hi If connecting a temp generator 670KVA .415kv with step up Tx .415/11kv. I am given Generator impedances Z1 Z2 Z0 to 100MVA base. Do I need to work out the generator fault current by using these impedances i.e gen rating / impedance. Then use this as my source impedance for the calculations that follow.
Why do we use only Sinusoidal Wave in AC supply why not the Square,Triangle or Sawtooth etc?
How wire size can define in electrical wiring? What is the ratio?
DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS
1 Ton = ? amperes & power. How much power 1.5 TON split AC consumes in an hour at 17 C , 26 C & 28 C (thermostat' temperature).
what is a relation of energy in electromagetic field
Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?
what is working of no & nc.
What are types of losses in the Transmisson Lines ?
Difference between SHORT CIRCUIT and an OVERLOAD ?