what is blocking diode and what is the use of it in tne control circuit.Pls Explain it.

1 Answers  

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How we calculate the current carriying capacity of the different sizes of Aluminium busbar ?

3 Answers   ABB, Raj Process Equipments, Visa Steel,

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Short circuit test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D stator reactance

2 Answers  

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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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why we are using the ac supply in domestic purpose why don't use dc supply

6 Answers   Airtel, SSIL,

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What is bushing?

4 Answers  

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what is the difference between 2 way and 4 pole selector switch???

0 Answers   Allied Group,

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Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

0 Answers   DAE,

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what voltage generated earth tester meter when we testing the Earth point ?

1 Answers   Cognizant, CTS,

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what is the RMU and RMU system in sub-station(11kv,66kv.....)

2 Answers   Alstom, Torrent Power,

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

0 Answers  

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can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks

1 Answers  

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