Answer / uditparashar

star delta starter : it is a set of electrical equipments used to control the current during the starting of induction motor as the starter operates the motor in star configuration in starting and then in delta configuration.

soft starter : it is a set of electronic components which control the nominal voltage of induction motor in order to control high current and torque during starting resulting in prevention of voltage dips and mechanical stress over the machinery .

how we can calculate LT side current of transformer

2 Answers   L&T,

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why ceiling fan give hising sound

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Could anyone clarify my wondering. What is the difference between knee point voltage and saturation voltage of the CT. Is their any formula to calculate these values?

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my diploma certificate in my higher education college

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To measure insulation resistance of 11KV cable between core & armour, what should be the test voltage & duration?

4 Answers  

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how to calculate current when LT supply 415v fed to HT Motor 6.6kv and 1120kw.

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if the 10 hp motor name plate indicates rated current as 13.6 amp the what will be the thermal relay setting? Why? And in how much time relay will trip at the set value?

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What is FM200 Fire Supresion System??

3 Answers   Emerson,

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what is the use of earthing?

1 Answers   CPCL,

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what is tpmo switch

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Differance between ELCB and RCCB?

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How can I calculate the fault level of a transformer. 1. If fault is 3phase fault 2. If fault is 1phase fault 3. If fault is 2phase fault Dear all geniouses, can you help me by giving answer. If anybody want to send something then mail me at "msalam_shahin@yahoo.com"

0 Answers  

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