Zone of protection and tripping scheme of arc protection relay.
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For 6600/433 distribution transformer we apply secondary side 433 volts how much voltage in primary side.
what happend if the protection ct is by mistake put instead of measuring ct & vice versa?
What are the components of a substation?
State the difference between Three winding transformers and Two winding transformers ? where its used?
A 230V, 60W bulb when connected to 230v supply what current and power will consume, if same bulb is connected to 200v what purrent and power will consume?
We know that primary transmission is done to reduce current so that i^2*r loss could be minimised but according to ohm's law v is directly proportional to i,which indirectly means higher potential difference means larger current?so how the current is minimised in high power transmission line??
what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me
wat is power factor
What is a pulse transformer?? Can it be called as a dc transformer??
how many methods for starting an induction motor?
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i have a roll dia aprox.43 inches and gear box ratio is 14.3.so my question is how was decide the kw rating of motor.
What is pd controller?