Answer / mohit parmar

residual current circuit breaker

Answer / guest

Residual current circuit breaker, Which is a protective
device.

Answer / ds01151

Residual Current Circuit Breaker, we are using this in
PDB's and LTG DB's, UPS DB's,rating of 30mA, 100mA, 300mA ,
instead of ELCB's

how to calculate load if i have three phase & single phase connection from power transformer( in term of kw & kva).can i take single phase load/3 for total kw calculation

1 Answers  

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what are balanced and unbalanced loads

1 Answers   GGH,

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how to test vector groups in transformer differential relay.

1 Answers  

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A circuit breaker on detecting fault will a. Open b. Close c. Open and trigger the alarm

2 Answers  

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redundant connection in contactor?

0 Answers   Emerson,

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What is transister , thermister , thyrister? what is its function? where this using?

1 Answers  

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What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

0 Answers   AFG, Afghan Telecom, GE, IBM, SECL, Sun Pharma, TNPL,

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what is the difference between RCCB and ELCB?

3 Answers  

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

0 Answers  

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sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

0 Answers   UltraTech,

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Ohms law explain

1 Answers   Hetero,

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Now I inject 1kv DC supply r&y=??? R&Y=?? Y&B=?? B&R=???? RYB&N=??? RYBN&E=????? Minimum value====???????

1 Answers   Integra,

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