Answer / arun mathew

General losses other than the main copper losses and iron
losses are collectively called stray losses.
stray losses include friction losses, windage losses. and
harmonic losses and is very difficult to measure

Answer / tiger

STRAY LOAD LOSSES ARE THE COMBINATION OF MAGNETIC AND
MECHANICAL LOSSES.

Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

1 Answers  

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a)In a 3-phase 4-wire circuit, a circuit breaker is selected to protect the circuit whose highest fault level is 6.6 MVA. Determine the required minimum breaking capacity in kA. (Note: Covert 3-phase power in terms of kA to find answer.) b)Using the below, determine the required minimum making capacity in kA as a “peak value”. Rate breaking capacity (Icn) ka: Icn<= 1.5 Factor = 1.41 1.5

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how does the harmonics enter into the induction motors?

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what is inverter and converter

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