IN THE CASE OF AN ELCB, IF THERE IS ANY UNSTABILITY BETWEEN PHASE AND NEUTRAL IT MAY TRIP. BUT MY QUESTION IS WHEN A LOAD IS CONNECTED IN BETWEEN P AND N, THE LOAD CONSUMES SOME POWER AND THERE IS A DIFFERENCE IN NEUTRAL WITH RESPECT TO THE PHASE. THUS ACCORDING TO ME, THE ELCB WILL AUTOMATICALLY OPERATES WHEN EVER THE LOAD CONSUMES-- I KNOW IT IS WRONG. BUT THE SOLUTION IS?????????

1 Answers   KSEB,

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why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  

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what is the full form of KVAR

6 Answers  

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why 3 phase induction motor only need starter ? why not other motors need starter ?(like synchronous motor,single phase induction motors & their types) ?

3 Answers  

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What are the different types of VVVF Drive ?

2 Answers  

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What is the actual meaning of thermal power efficiency ?

0 Answers  

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VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?

1 Answers  

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a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn

0 Answers  

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I want to know how to calculate the size of electricity cable in building?

0 Answers   DR Engineering Services,

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how to calculate knee point voltage of current transformer?

21 Answers   Bhel, Bhilai, Jackson,

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I have 3KVA Libert GTX2 UPS. I need to calculate the back up time with some load. How to calculate the Back time. I need the expert guide

1 Answers  

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What is stacking factor? What is its approximate value?

0 Answers  

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