K Factor; Different Power Levels 1 Sec - AEMC PowerPad 3945-B User Manual

K Factor

[]
Akf i

Different Power Levels 1 Sec

NSS-1
1
[]
W i
=
NSS
VA[i] = Vrms[i] Arms[i] Apparent power i + 1 phase
1
VAR[i] =
NSS
or VAR[i] = VA[i] – W[i] if computation method is with harmonics
W[3] = W[0] + W[1] + W[2]
VA[3] = VA[0] + VA[1] + VA[2]
VAR[3] = VAR[0] + VAR[1] + VAR[2]
96
n=50
∑
n Aharm
2
n = 1
=
n=50
[][ ]
∑
Aharm i
n = 1
[][ ] [][ ]
∑
.
V i n A i
n = 0
.
NSS-1
[][
∑
.
VF i n - NSC / 4
n = 0
2 2
[][ ]
2
i n
K factor for the i + 1 phase
2
n
n
Active power i + 1 phase
] . [][ ]
AF i n
Total active power
Total apparent power
Total reactive power
Power Quality Analyzer Model 3945-B
Reactive power i + 1 phase