Answer / rajendra sawant

First find the Full load current of 600KW Load & select Incomer of about 20% higher than FLC,consider the CTs rating as per the incomer rating.

how to test vector groups in transformer differential relay.

1 Answers  

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers  

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electrical machines

3 Answers  

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what is electrical machines

1 Answers  

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what is the maximum load sutiable from earth to phase and what is the max voltage earth to phase suitable

1 Answers  

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What are the difference between these terms ? e.m.f, voltage, potential, potential difference, current etc? what are the difference between these terms ? (electromotive force) e.m.f, voltage, potential, potential difference, reference potential, reference potential difference, current. How can i explain and describe these all terms in single line each and little more explaination too thanks

2 Answers   Siemens,

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What is meant by positive and negative feedback?

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why 3 phase is preferred than 1 phase?

4 Answers   Infosys,

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what is the abbreviation of MIMIC regarding control and relay panels of power systems????

1 Answers   Enercon,

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Is there any local or International standards that prohibit the installation of earthing pit in the planters area where the earthing pit is subject to continues soak in water?

1 Answers  

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1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

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The neutarl to earth voltage in system is 7volts on Electricity power but it lowers to 1.3volts when load transfered to DG power.what may be the reason.

3 Answers  

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