Ratios; Various Types Of Energy - AEMC PowerPad 3945 User Manual

8.1.12 Ratios

W[i]
PF[i] =
VA[i]
DPF[i] = cos(φ[i]) i + 1 phase displacement factor
Tan[i] = tan(φ[i]) i + 1 phase tangent
NSS-1
∑
n
cos(φ[i]) =
NSS-1
∑
n
PF[0] + PF[1] + PF[2]
PF[3] =
DPF[0] + DPF[1] + DPF[2]
DPF[3] =
Tan[0] + Tan[1] + Tan[2]
Tan[3] =

8.1.13 Various Types of Energy

W[i]
∑
Wh[i] =
3600
Tint
VA[i]
∑
VAh[i] =
3600
Tint
∑
VARhL[i] =
Tint
∑
VARhC[i] =
Tint
84
i + 1 phase power factor
[][ ]
.
VF i n AF
=
0
NSS-1
[][ ]
∑
2
VF i n
= =
0 n
3
3
3
Active energy i + 1 phase
Active energy i + 1 phase
VAR[i]
for VAR[i] ≥0 Reactive inductive energy i + 1 phase
3600
VAR[i]
for VAR[i] ≥0 Reactive capacitive energy i + 1 phase
3600
[][ ]
i n
Cosine angle between voltage
fundamental and i + 1 phase current
[][ ]
2
AF i n
0
Total power factor
Total shift factor
Total tangent
Power Quality Analyzer Model 3945