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explain how hunting can be reduced in an alternators?
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Answer Posted / n.v.patil.
By putting damper winding in Yoke of field circuit
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why do we have spikes enough to burn electronic boards, when generators are not grounded
I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.
CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)
could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?
what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?
How to check the LM324 Ic
I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer
1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?
What is capacitance?
Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?
why 3 phase is converted into 2 phase using electronics circuit why not 2 phases are diresctly putted from the 3 phase transformer??
Why colled 440V to 3-phase supply.
percetans
what is meant by power and distribution transformer ?
What is current divider rule (cdr)?
