During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

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can i use ups power as a raw power for another ups

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how is the many rpm of acb charging motor ?

1 Answers  

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why we use sinosidal voltage / current instead of others in system?

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If the generator will trip, what you will do as an electrical technician in charge.

1 Answers  

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What is bushing?

4 Answers  

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for a machine R=130 KVA Y=132 KVA B=144 KVA Then what will be the total kva

3 Answers   ABB,

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What is the maxvoltage drop allowed at any healthy joint at full load ?

1 Answers   Kirloskar, Seyadu,

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how capacitor buield up the voltage

3 Answers  

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for 24000kv transformer what is the value earthing resistence?

1 Answers  

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what is servo motor & how does it work.

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What is the need of generator relay panel

0 Answers   Newell,

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