Answer Posted / senindra123

soft starters is using for smooth starting only which will
be by paseed while running.

variable frequency drives are using for smooth atarting and
running. while running we can control the speed of the
motor also.

1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

2142

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how to protect motor in dol starter having capacity of 30 hp.40 hp?

3207

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Define availability (operational)?

1147

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how load of a turbo generator can be increased

1963

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what are carbondioxide and dcp used in fire extinguishers

2054

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we have 15 ampere variyac but we want 30 ampere variyac what we do

1927

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State thevenintheorem?

1055

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What is the count of hvdc transmission lines in india?

1092

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How many types of faults are there in 3 phase power system?

1092

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why induction motors are rated at 0.8 power factor.

2003

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what is the difference between ac motor and dc generator

1853

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while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

2883

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how to decide the panel size like MDB ,SMDB PANEL SIZES

7363

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why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?

1860

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A 2083kva AVR was tested, phase to ground shows continuity, what is the implications

1027

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