Answer / vijay chander

yes, interlocking in automatic and manual is possible. it
can be interlocked in motor control center.

Define corner frequency?

0 Answers  

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what is the IEC standard for Power Cable installation in onshore (like in direct buried ground or above groung)

0 Answers   L&T,

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Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

0 Answers  

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what is the difference between c power and U power acb breaker

0 Answers   Radisson Blu,

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

0 Answers   Areva,

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any calculation method for decide cable size for current?

1 Answers  

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what will be the minimum megger value for 132 Kv (earthed) potential transformer

3 Answers  

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what is frequency response?

0 Answers  

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Define CT & its function

6 Answers   Essar,

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What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

0 Answers  

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Can we connect two or more energy meters/Amp meters on one CT set(Three phase).

5 Answers   Parle, Watermark Engineering,

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