Answer / aryan

Due to corrona effect

Answer / pavan

due to Phase to phase faults
or
Line to line faults

why we are using in reverse power relay in generator singranizing

1 Answers   Dalkia,

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why transformer ratinh is in KVA????/

8 Answers   Apollo, Priyadarshini, Reliance,

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Why do we need ring main unit (RMU). what is its purpose and its advantages . what is the operating function of rmu

6 Answers   MahaDiscom,

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Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC

0 Answers  

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I just purchased a 4 position cam switch to be used to operate a 3-speed blower motor. The motor is a 10 amp motor and has 3 wires that are used to control speed. The cam switch was rated at 660V 20 amps but when I received it, I noticed that it has AC-15 operational current rating (Ie) of 4/5 amps. If I am reading the label correctly. the 4/5 amps is related to 440v/220V (Ue). Other ratings are AC-3: 5.5A, AC2: 7.5A and AC-4: 1.5A. My questions are 1) Is it safe to use this switch with the motor I have 2) what is the difference between the 20 amp Ith ratting and the Ie operational ratings?

0 Answers  

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1 HP = how many Kva

5 Answers  

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what is ohms law?

7 Answers  

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HOW MUCH CURRENT CAN A 3 -1/2 CORE 100 MM WIRE CARRY

2 Answers   Focus Energy, San,

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why capacitor rating measure in KVAR. ?

2 Answers  

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What are ampers.30kw motor.440volts.

5 Answers   Pam Glatt,

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage

4 Answers   Gannon Dunkerley,

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working principle of current sensing relay? how its work?

1 Answers  

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