AC 230V BULB GIVING DC SUPPLY WHAT HAPPENS?

2 Answers  

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what size of copper busbar use for 11kv 630A

3 Answers   ABB,

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Can VFD step up to 60 Hz if it is designed to receive 50 Hz input?

3 Answers  

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why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2 Answers   QRG Health City, Siemens,

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why there is a humming noise in transformer

8 Answers   Bhel,

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In some countries it is found that an Earthing Transformer is connected at the LV sides of the Transmission and Distribution Substation Transformers.Actually what is the purpose the Earthing Transformer?

1 Answers  

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What is harmonics and how the 1st,2nd,3rd etc harmonic levels

2 Answers  

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1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 Answers   ABB,

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what happens when a dc shunt motor fed with an alternating suppy ?

1 Answers  

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What is Earthing?

16 Answers   Essar,

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why asa method ZPF method is more accurate than ASA method?

0 Answers  

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how is find out kwh step by step

0 Answers   Voith,

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