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Plus de Talia Carbis (20)
14.3.1 Power Star
- 5. 3 PK = 3 VP IP cos ΦK
or
3 PK = 3 VP IP pf
- 6. IL = IP and VL = √3 VP
and VP = VL/√3
- 8. 3 PK = 3 VP IP pf
becomes P = 3
VL IL pf
√3
P = √3 VL IL pf
Expressed as:
P = √3V I pf
OR P = √3 VI cos Φ