Answer / virendra pandya

It is REM543 and higher I/O variant is REM545. This
numerical protection relay is used for protection of
rotating electrical machines either induction motor or
synchronous machine (Both motor and generator). REM54x is
freely programmable relay and functions and logic can be
programmed using CAP505 tool.

SPAJ is a series of SPACOM family relay working on current
inputs and communicating on SPA protocol. This family of
relays is designed for various feeder prortection
applications and not for motors

if my load is not in continuous operation so what type of panel is required APFC or fixed capacitor bank without APFC whether C.T is required in both cases compulsory? explain detail

1 Answers  

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why we not connect the 12 V batteries in parallel to get the more backup supply for an UPS ? wheter off line or on line UPS ?

2 Answers  

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

3 Answers  

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WHAT IS MEANT BY EMBEDED SYSTEM?CAN WE CALL PLC AS EMBEDED SYSTEM?

2 Answers  

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what type of questions are asked and howmwny questions belong this catagory?

0 Answers   RRB,

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In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????

0 Answers   Equate,

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how dc ct works?

3 Answers  

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Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

3 Answers   Triveni,

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how can see the ac indoor or out door ac which Tr

0 Answers   Wipro,

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which type of motor is suitable for water suction pump ?

4 Answers  

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Why a tesa lamp is glow between two phase?

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use of choke in APFC panels

2 Answers   Kemrock,

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