what is protections used for 6.6kv ht motor

Answer Posted / kannan

make > schnider electric
MICOM 220 Motor production relay

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

1514


An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

7024


why we not used 11kva as a direct our electrnics component.

2347


WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

1660


how many types of motor can be used in washing machine

1687






what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

1826


What are the common sources of energy?

635


Different types of relay fault which phase sequence??

479


How to Prepare preventive maintenance shedule of machine tool.

1529


working function importance of mdc meter

1706


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.

1492


how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

2722


do you have some of interview Questions in power and genrator section in general whith answers

1646


Define what is the function of anti-pumping in circuit breaker?

700


what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

1500