Appendix B: Glossary - AEMC PowerPad 3945-B User Manual

Symbol
F
Vrms
Arms
W
PF
Urms
Vthd
Athd
VARS
DPF
Uthd
Vcf
Acf
VA
Tan
Ucf
Vunb
Aunb
PST
Akf
Vh
Ah
3L
N
Σ
100
APPENDIX B
GLOSSARY OF TERMS
Definition
Frequency
Volts rms
Amps rms
Watts (Real Power)
Power Factor
Volts (phase-to-phase rms)
Volts total harmonic distortion
Amps total harmonic distortion
VARS (reactive power)
Displacement power factor
Volts total harmonic distortion (phase-to-phase)
Volts crest factor
Amps Crest Factor
Volt-Amps (apparent power)
Tangent (Volt-Amp)
Volts crest factor (phase-to-phase)
Volts Unbalanced. On the instrument's screen, the calculation
method is the IEC method that takes into account phase angle.
Amps Unbalanced. On the instrument's screen, the calculation
method is the IEC method that takes into account phase angle.
Short term flicker
"K" factor
Harmonic volt
Harmonic amps
Capture of each 3 phases
Neutral current (calculated)
Sum of three-phase power capture
Power Quality Analyzer Model 3945-B