
34
e. Reactive power demand and maximum
value
M A X
D M D
S1
S2
S3
S4
RL1 RL2 RL3 RL4
f. Time record of maximum reactive power
demand
D M D
S1
S2
S3
S4
RL1 RL2 RL3 RL4
M A X
g. Apparent power demand and maximum
value
M A X
D M D
S1
S2
S3
S4
RL1 RL2 RL3 RL4
h. Time record of maximum apparent power
demand
D M D
S1
S2
S3
S4
RL1 RL2 RL3 RL4
M A X
4.2.9. Voltage harmonic query
1. Press the key
once, and you will
see the voltage harmonics.
THD value
T H D
A
C
B
S1
S2
S3
S4
RL1 RL2 RL3 RL4
2. Press the key
continuously, and you
will see the component of each harmonic
(take the component of the 18
th
harmonic as
an example)
A
C
B
S1
S2
S3
S4
RL1 RL2 RL3 RL4