PCE Instruments PCE-830+PCE-6801, Руководство пользователя

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XIV. NOMENCLATURE
V12, V23, V31: Line Voltage
V1, V2, V3: Phase Voltage
I1, I2, I3: Line Current
P1, P2, P3: True Power (W) of Each Phase
S1, S2, S3: Apparent (VA) Power of Each Phase
Q1, Q2, Q3: Reactive Power (VAR) of Each Phase
P
Σ
: Total System Power (W)
S
Σ
: Total System Apparent Power (VA)
Q
Σ
: Total System Reactive Power (VAR)
PF
Σ
: Total System Power Factor (PF)
PF1, PF2, PF3: Power Factor of Each Phase
PFH: Long Term Average Power Factor (WH / SH )
Φ
1,
Φ
2,
Φ
3: Phase Angle of Each Phase
WH: Watt Hours
SH: VA hours
QH: VAR hours
HZ: Selected Frequency 50, 60 or Auto.
MD: Maximum Demand in W and VA over Specified Interval
3P4W: 3 Phase 4 Wire System
3P3W: 3 Phase 3 Wire System
1P2W: Single Phase 2 Wire System
1P3W: Single Phase 3 Wire System
SEC: sampling interval in seconds from 2 to 3000 for data logging
CT: Current Transformer Ratio from 1 to 600
VT: Voltage Transformer Ratio from 1 to 3000