7
380V/220V
Use the special test line of mains
connection launcher (as shown in
figure 1), the host boot.
Use the special test line of
mains
Switchgear
induction
electric (~ 5 V)
Use switchgear induction electric test
line connection transmitter (see
switchgear induction electric
measuring point) host boot
Use switchgear induction
electric test line.
VII.The Test Results Analysis
Phase difference
value (f)
The phase difference is
stable
Results the
judgment
Added
0
～
5
Stable
In phase
Two lines with the
frequency,
Such as voltage.
115
～
125
or235
～
245
stable
phase-out
Two lines with the
frequency,
Such as voltage.
0
～
360
Is not stable, 0 ~ 360
degrees cycle changes
Two line
frequency is not
the same
Not parallel.
The value near 0
、
120
、
240
Stable
Two line voltage
is not the same.
Two lines the same
frequency, voltage,
Not parallel.
