Answer / nibel

actually kwh is energy and kva is power, only we can relate it.
if we use 1kva for one hour = 1kvah
the only difference between kvah and kwh is power factor. in kwh we consider pf but in kvah we wont.

Answer / pnaki chatterjee

at unity power factor 1 kwh =1kvah
and for one hour the rating will be 1kva =1000 va

Answer / d m fulzele

1 Kwh = Kva * 1 Hr * P.F.

Answer / raja

POWER FACTOR SHOULD BE KNOWN . GIVEN ANSWERS HOLD TRUE FOR
PF= unity . 1 kwh = 1kva* pf

Answer / ghulammohyhuddin

1 unit = 1kwh one 1000 watt hour

how mach kva use in three phase 440

2 kva will be required

Answer / rushi

Kva = KW/PF

Answer / ashvinpatel

1 unit=10000kwh=1000va

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