Power Quality Analyzer Model 3945-B
93
MIN / MAX Values for Voltage and Current
Vmax[
i
]=max (Vdem[
i
]), Vmin[
i
]=min (Vdem[
i
])
Umax[
i
]=max (Udem[
i
]), Umin[
i
]=min (Udem[
i
])
Amax[
i
]=max (Adem[
i
]), Amin[
i
]=min (Adem[
i
]) (Avg calculation on 1s)
Peak Values for Voltage and Current
(Updated on each waveform refresh)
Vpp[
i
]=max (V[
i
][n]), Vpm[
i
]=min (V[
i
][n]), n
∈
[0..NSC-1]
Upp[
i
]=max (U[
i
][n]), Upm[
i
]=min (U[
i
][n]), n
∈
[0..NSC-1]
App[
i
]=max (A[
i
][n]), Apm[
i
]=min (V[
i
][n]), n
∈
[0..NSC-1]
Peak Factors for Current and Voltage
[]
[]
[]
[][ ]
∑
−
=
⋅
=
1
0
2
1
)
i
Vpm
,
i
max(Vpp
Vcf
NSC
n
n
i
V
NSC
i
Peak factor single voltage i + 1 phase
[]
[]
[]
[][ ]
∑
−
=
⋅
=
1
0
2
1
)
i
Upm
,
i
max(Upp
Ucf
NSC
n
n
i
U
NSC
i
Peak factor phase-phase voltage i + 1 phase
[]
[]
[]
[][ ]
∑
−
=
⋅
=
1
0
2
1
)
i
Apm
,
i
max(App
Acf
NSC
n
n
i
A
NSC
i
Peak factor current i + 1 phase