Answer / deepak thakur

MCCB means Moulded Case Circuit Breaker
its is use for machine main switch and we can set overload current also for machine in MCCB'

which part of transformer heats up the most and why? windings, core or oil .

3 Answers   Lafarge,

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i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

0 Answers   May Baker,

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which type of oil is used as a transformer oil?

3 Answers   JSW,

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mccb service sittings be done?

0 Answers  

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The speed of a dc motor can be controlled by the variation of 1. armature voltage. 2. field current. 3. armature circuit resistance. 4. angle of brush shift. Which of the statements given above are correct? (a) 1,2 and 3 (b) 2,3 and 4 (c) 1,3 and 4 (d) 1,2 and 4

1 Answers  

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Define steady state error.

0 Answers  

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how many safety really of DG sets.

0 Answers   MBD, Nerolac,

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In a power conditoining unit (inverter) of a solar plant when we measure the d.c. current fed by different strings of solar plates to inverter, the current in the negative wire is less almost by 1 ampere to the current in its positive wire say current in positive wire 5 A , then current in negative wire of the same string is 4 A. Since the current entering should be equal to current leaving then why the current is noticably less in negative wire.

0 Answers  

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what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

0 Answers   TNEB Tamil Nadu Electricity Board, Vestas,

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what are different types of excitation in synchronous generator,what is the difference between them

3 Answers  

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what is the load amp of a 2 hp single phase motor?

6 Answers  

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why transformer rating is in KVA?

4 Answers   ABB,

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