what is the principle of motor

6 Answers  

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why universal motor work on ac & dc both?

1 Answers   EMC, emc2,

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What is correction factor in Tan delta test?

1 Answers  

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what instruments used for measuring of inductance and capacitance.

2 Answers  

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What is a transductor ?

2 Answers  

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how we can measure the dc current instead of clamp meter ?

1 Answers  

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According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.

0 Answers  

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Why the core in the distribution transformer is in even number

1 Answers  

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state the working of discharge lamp?

0 Answers  

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How do we calculate Blower drive Power (kw) If we have Volume m3 and Pressre (mmWC)

1 Answers  

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To prevent the mal operation of a differentially connected relay while energizing a transformer, the relay restraining coil is baised with (a)second harmonic current (b)fifth harmonic current (c)third harmonic current (d)seventh harmonic current

2 Answers  

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What is the difference between earth fault and restricted earth fault protection?

1 Answers  

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