Display Of Phasor Diagram - AEMC PowerPad 8435 User Manual

4.3.6 DISPLAY OF PHASOR DIAGRAM

This sub-menu displays the absolute values of the voltages and currents at the fundamental frequency, the phase
displacement of the voltages relative to the currents and the unbalances of the voltages and currents.
NOTE: The display screen varies depending on which value is selected.
■ 3U: Displays a vector representation of the fundamentals of the phase-to-phase voltages and of the currents. It
indicates their associated quantities (modulus and phase of the phase-to-phase voltage vectors) and the voltage
unbalance. The reference vector of the representation (at 3 o'clock) is U1.
■ 3V: Displays a vector representation of the fundamentals of the phase-to-neutral voltages and of the currents. It
indicates their associated quantities (modulus and phase of the phase-to-neutral voltage vectors) and the voltage
unbalance. The reference vector of the representation (at 3 o'clock) is V1.
■ 3A: Displays a vector representation of the fundamentals of the phase-to-neutral voltages and of the currents. It
indicates their associated quantities (modulus and phase of the current vectors) and the current unbalance. The
reference vector of the representation (at 3 o'clock) is A1.
■ L1/L2/L3: Displays a vector representation of the fundamentals of the phase-to-neutral voltages and the currents of
one phase. It indicates their associated quantities (modulus and phase of the current and phase-to-neutral voltage
vectors). The reference vector of the representation (at 3 o'clock) is the current vector.
Item Function
U1, U2, U3 Absolute values of the voltages at fundamental frequency
V1, V2, V3 Absolute values of the voltages at fundamental frequency
A1, A2, A3
Absolute values of the current at fundamental frequency
φ
Phase displacement of phase 1 relative to phase 2
12
φ
Phase displacement of phase 2 relative to phase 3
23
φ
Phase displacement of phase 3 relative to phase 1
31
φ
Phase displacement of voltage (V) relative to current (A)
VA
Unb Unbalance of line voltages
NOTE: L2 and L3 display vector representations of the fundamentals of the phase-to-neutral voltages and the currents of
phases 2 and 3, respectively. They indicate their associated quantities (modulus and phase of the current and phase-to-
neutral voltage vectors of phases 2 and 3, respectively). The reference vector of the representation (at 3 o'clock) is the
current vector (A2 and A3, respectively).
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