Answer / karthik

soft starter in nothing but the electronic starter... its
purly based on the thyrister operation... in the starting
time blower can take the higher current .. so for that
operation we changing the firing angle of the thyrister we
control the starting current .. it's used for smooth
control operation..

Answer / sennapparajan

It is a starter which can be used to start the motor at
low starting current.At begining motor will be started by
soft starter.after reaching the normal running condition
the soft starter will be by passed.

which %age of corona losses increses if frequency is increased to 25%.

3 Answers   ADCET, Maihar Cement,

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Hi all, please could anybody give me a suggestion about Electrical designs and calculations .. what text book should i follow as i am a trainee engineer and here work going not so favorable to me so please help me friends .. A small discription about my work which is going here is all about Electrical designs like cable sizing, lighting, lightning, Gensets sizing, motor sizing, transformer sizing, generator sizing, circuit breakers, PDB MCC PCC SLDB MLDB panels, Single line diagrams mainly, substation desings, cable routing and layouts, reactive power compensations, power factor improvement, voltage drop calculations, power generations, power transmission, power distributions all calculations i need .. please please if anybody experienced with this problem and got a solution then please help me .. just i need an apt text book for these all calculations and designs ..

0 Answers  

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what is the principal of braker

4 Answers  

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in a plug point why the hole size at the top is large?

9 Answers   Bhel, TCS,

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How do you connect the capacitors on polyphase circuits?

10 Answers   L&T, Transco,

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If the rank of a (5x6)matrix Q is 4, then which one of the following statements is correct ?

1 Answers   GATE,

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Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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Capacity of circuit breakers all types

1 Answers   Megatron Solutions,

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what is the differnce of STATIC ENERGY METER FROM ordinary energy meter?

1 Answers  

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why potetial transformer primary ground?

1 Answers  

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what is ratio of copper wire size and current ?

0 Answers  

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why the name mho relay,despite the locus of circle is impedance?

1 Answers   KSEB,

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