How many types of Transformers are there?

8 Answers  

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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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what is hormonics. how it is generated & what are the problem faced by that.

5 Answers   APC,

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How much load can be taken for chiller from 1500 kva transformer

0 Answers  

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it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high

2 Answers   DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,

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Why derivative controller is not used in control systems?

0 Answers  

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What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

0 Answers  

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WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

0 Answers  

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What is the minimum distance between MV busbare (P to P & P to E) as per some standards

1 Answers   ABB, Sejong,

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what is floating charger and boosting charger?

4 Answers  

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How to calculate the load loss and no load losses of the power Transformer? i am having the following details : full load ct : in AMP HV :1676 ; LV:31.5 1800 KVA ;33KV/620 V for wind mill applications

2 Answers   ReasonSoft,

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what is rms value?

3 Answers  

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