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

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] =

Various Types of Energy

W[i]
∑
Wh [ 0 ][ i ] =
3600
Tint
VA[i]
∑
VAh [ 0 ][ i ] =
3600
Tint
∑
VARhL [ 0 ][ i ] =
Tint
∑
VARhC [ 0 ][ i ] =
Tint
Total active energy consumed:
Wh[0][3] = Wh[0][0] + Wh[0][1] + Wh[0][2]
Total apparent energy consumed:
VAh[0][3] = VAh[0][0] + VAh[0][1] + VAh[0][2]
Power Quality Analyzer Model 3945-B
i + 1 phase power factor
[][ ] [][ ]
.
VF i n AF
= 0
NSS-1
[][ ]
2 ∑
VF i n
n
= 0 = 0
3
3
3
Active energy consumed phase i + 1
Apparent energy consumed phase i + 1
VAR[i]
for VAR[i] ≥0
3600
–VAR[i]
for VAR[i] ≤0
3600
i n
Cosine angle between voltage
fundamental and i + 1 phase current
[][ ]
2
AF i n
Total power factor
Total shift factor
Total tangent
Reactive inductive energy consumed phase i + 1
Reactive capacitive energy consumed phase i + 1
97