Answer / krushna ch sahoo

its not safe bcoz the instalation of the
motor & the rotor is made for 1500 rpm
speed

Answer / anil

yes absolutly safe. No problem if you use VVVF drive for
this motor.

What is the basic principle of circuit breaker?.. I read that it works on electro-mechanical principle... Does it require both electric n magnetic conversion to act?

3 Answers  

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Why dc Supply used in Control circuit.

12 Answers   HP,

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WE HAVE A LOAD OF 55KW MOTOR ITS VOLTS 380 3PH AND ITS TAKING 100AMPS (ITS FULL LOAD IS 105AMPS)AND ITS CABLE IS 4CX50SQMM ,NOW ITS GETTING ABNORMAL HEATUP IN CABLE,PLZ TELL WHY ITS HEAT-UP?(CABLE LENGTH IS 15 METERS ONLY)

10 Answers  

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what is differance bw ELCB and MCB. ?

3 Answers  

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what is mathed of check the D.C MOTOR 181 KW (ARMATURE AND FIELD) WHAT IS THE MATHED OF CHECK THE THYRISTOR MODULE (HIGH CURRENT)

0 Answers  

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Why sip ring used in ac motor also why its not used in dc motor?

2 Answers   RRB,

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PIU how does work?

0 Answers  

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A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

0 Answers   Spectrum,

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what is the RMU and RMU system in sub-station(11kv,66kv.....)

2 Answers   Alstom, Torrent Power,

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In auto transformer if power transferred inductively and conductively are same, the ratio of output/input voltage is A 1 B 0.7 C 0.5 D none of above

2 Answers   Getco,

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in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

0 Answers  

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How to work E.L.C.B and how to connect in circuit.

0 Answers  

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