Since phi is the angular displacement between V & I, then why we use phi i

Since phi is the angular displacement between V & I, then
why we use phi in power triangle ie. when showing active,
reactive & apperent power in triangular manner & if it is
ok then where is V & I in the triangle.

Question Posted / pratikjain_16

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Since phi is the angular displacement between V & I, then why we use phi in power triangle ie...

Answer / dkmathur

1) Phi is the phase angle between V & I and Cos phi is the
power Factor.

2) KW/KVA is also power Factor i.e. Power factor is the
ratio between KW and KVA, That is why phi comes in Power
Triangle.

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