Why we use cosine angle for calculating power factor not in sine angle ?

4 Answers  

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why we still use sinusoidal waveforms for transmission and utilisation (we know generation is sinusoidal), instead of other ac waveforms such as triangle, sawtooth, square etc.,? is there any mathematical derivations to prove sinusoidal is efficient than others?

1 Answers  

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plz tell me the potential difference between phase and netrul

2 Answers   CGL,

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Can we step up a 230V supply to 400V using a single phase transformer??

2 Answers  

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how to calculate the powerfactor in induction motor having name plate details? for example 1 h.p motor 1.86 A 415 V

6 Answers  

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explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

0 Answers   MPPGCL Madhya Pradesh Power Generating Company Ltd,

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Upload data by LSMW via BAPI in SAP system.

1 Answers  

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what is the concept of directional power?

0 Answers  

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what is the transformer

6 Answers  

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Why DG set is not installed in Terrace ??

0 Answers  

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how to handle 2500 kva transformar

0 Answers  

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Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?

0 Answers  

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