how to write program by ladder logic in case of PLC operation

3 Answers   Gridco, Sofcon,

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WHAT IS THE SHOPE TESTING

2 Answers   TATA,

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Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

0 Answers  

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What do you mean by class of CTs and what is the meaning of cl 1.0, cl5P10, cl 10P10 CTs?

3 Answers  

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Why is remote backup preferred to local backup?

0 Answers  

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ARE YOU NOURVAS ?

4 Answers  

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

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Why Current Transformers cannot be connected in parallel

10 Answers  

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an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly

1 Answers  

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how to check the continuity of a cable with a megger

4 Answers   Metro,

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What Happen When We provide Dc Supply to Ac Motor

6 Answers  

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what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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