How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?
WHICH TYPE OF TRANSFORMER IS USED IN POWER TRANSMISSION BASED ON TRANSFORMER CONNECTION ON PRIMARY AND SECONDARY SIDE
what is the difference between "ampere trip and ampere frame"
what is meaning of Power factor?????????
all electricals questions
What does VVVF stands for in VVVF drive ? How does it differ from VVF drive?
Define phase cross over?
How do you select the pickup value of the relay?
I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?
what is stalling of a motor?
why contactors are used ...? is contactors and relays are same ...?
whatis the commertial spec. of distribution boards ?
Why Ac Systems Are Preferred Over Dc Systems?