Answer / k.prakashchandra

double protection / investment

Answer / basith

ELCB and RCCB will be give same output.

What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?

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What is reverse power relay?

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what is the meaning of impedance protected in instrument cooling fan

0 Answers  

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ohms law is applicable for dc or ac current or for both??? explain it berifly??

3 Answers  

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Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

0 Answers  

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in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

18 Answers   Eaton, Siemens,

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Why phase sequence ryb called colours.

1 Answers   MS Life, NTPC,

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HT and LT cables can be laid on same cable tray

1 Answers  

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Disadvantage of leading power factor

3 Answers  

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WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

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how to setting voltage RTCC panel

0 Answers  

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which relay is better , instantaneous or IDMT relay .

2 Answers  

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