2-31
H Ground Wiring
·Alwaysusethegroundterminalofthe200-VInverterwithagroundresistanceof100W
or less. Similarly, always use the ground terminal of the 400-V Inverter with a ground
resistance of 10 W or less.
·Do not share the ground wire with other devices such as welding machines or power
tools.
·Always use a ground wire that complies with technical standards on electrical equip-
ment and minimize the length of the ground wire.
Leakage current flows through the Inverter. Therefore, if the distance between the
groundelectrodeandthegroundterminalistoolong,thepotentialonthegroundtermi-
nal of the Inverter will become unstable.
·When using more than one Inverter, be careful not to loop the ground wire.
Design Chapter 2
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