29
P2
P3
P1
Chassis
Adjustable Frequency Drive
Signal Inputs
L2
L1
W
V
U
High Voltage Dielectric Withstand Tester (Hi-Pot Tester)
10mA
0mA
LEAKAGE
AC KILOVOLTS
RESET
TEST
ZERO
MAX
VOLTAGE
0
2
1
3
to Both AC Line Inputs
(Main Power Disconnected)
Connect Hi-Pot
AC Line Input
H. V.
RETURN
Machine Equipment or Frame
L2
L1
Auxiliary Equipment
Chassis
Connect All Drive Terminals Together
Motor Wires
Frame
(Main Power Disconnected)
FIGURE 15 – TYPICAL HI-POT SETUP