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 .

simple way to find busbar sizes??

1 Answers   SPAC,

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We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

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why our power production in multiples of 11.

2 Answers   ABB, Infosys,

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why induction motors are of lagging type and not leading type

9 Answers   Bhel,

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What is the intent of short circuit studies?

3 Answers  

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what is the significance of tan delta testing?explain the theory?

7 Answers  

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What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

0 Answers  

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For what purpose and why ACBs are used

4 Answers  

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why generator one end side star neutral point given? if this point not given what happen?

1 Answers  

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In a panel 2500A ACB is the incoming breaker then what is the size of the bus bar?

1 Answers  

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What is different between MCB & MCC & isolator switch

1 Answers   Standard Chartered,

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I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

3 Answers   Descon,

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