how you connect the induction motor first in star and then delta in star-delta starter

1 Answers  

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A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

0 Answers  

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what is mutual induction principle?

6 Answers  

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what s a servo motor? how to control the servo motor? and its application, purpose of using?

2 Answers   Arabian Pipes,

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what is inductive voltage transformer? what is its application and how it differs from capacitive voltage transformer?

1 Answers   NRSC National Remote Sensing Centre,

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I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

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what is a circuit breaker. Weite the types of circuit breaker.

4 Answers  

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Why AC & DC capacitor are use in UPS ??????????????????

0 Answers   Sanghi,

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I am having 120KVA UPS,which is connected to DG & normal power. What is the power drawn by this system when system is running on DG ????

2 Answers  

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In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

0 Answers  

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What is burden of a current transformer. What is function of core in Transformer

1 Answers   Jindal Steel and Power, NCC,

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what is the effect of un-synchronized power.

0 Answers  

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