The series field winding has low resistance while the shunt field winding has high resistance. Why?

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my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

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Where do we adjust the setting of thermal over load relay & how cal calulate.

1 Answers   Hilton,

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wat is syncronization . wat parameter will take for syncronization.

2 Answers   IIT,

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how can i select the cable ratings

4 Answers  

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how much load 15kva dg set can bear.with full explination and how to calculate?

2 Answers  

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what deffrence between KW $ KVA ?

7 Answers  

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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

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how is the magnetic current test is different in delta-star and delta delta transformer.

0 Answers   Bhel,

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if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

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Why we are testing cables with dc?

1 Answers  

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Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

0 Answers   DAE,

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