what is the formula of starting current of 3phase and 1 phase motor???

0 Answers   L&T, WFP,

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when we start the tube light, then it takes initially 1100 volt, after glow it takes 120 volt?(when we give 220 volt a.c.)

3 Answers  

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What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)

0 Answers  

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what is the difference between Current transformer & Capacitive voltage transformer

2 Answers   ABB,

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what are the main hormonics in ac?

1 Answers  

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How to calculate the NGR value for a 2.7MVA Transfomer, 11KV system where the fault current has to be limited to 50A?

1 Answers   Sterling Wilson,

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what is zero sequence curr ent ?

4 Answers  

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For 7.5kw star delta starter how to calculate 1. Mccb rating 2. Contactor rating 3. Over load relay rating

1 Answers   L&T, MAHINDRA,

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If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

2 Answers   Aditya Birla, Siemens,

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Can i get some examples of mechanical devices?

1 Answers  

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What is triac?

3 Answers   NTPC,

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STATE AND EXPLAIN SUPER POSITION THEOREM.

3 Answers   ABB,

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