Chapter 1 IntroductionC2000 Series
1-4
Frame D0~H
Remove the MOV-PLATE by hands, no screws need to be loosen.
Isolating main power from ground:
When the power distribution system of the Power Regenerative Unit is a floating ground system (IT) or an
asymmetric ground system (TN), the RFI short short-circuit cable must be cut off. Cutting off the
short-circuit cable cuts off the internal RFI capacitor (filter capacitor) between the system's frame and the
central circuits to avoid damaging the central circuits and (according to IEC 61800-3) reduce the ground
leakage current.
Important points regarding ground connection
To ensure the safety of personnel, proper operation, and to reduce electromagnetic radiation, the
Power Regenerative Unit must be properly grounded during installation.
The diameter of the cables must meet the size specified by safety regulations.
The shielded cable must be connected to the ground of the Power Regenerative Unit to meet safety
regulations.
The shielded cable can only be used as the ground for equipment when the aforementioned points are
met.
When installing multiple sets of Power Regenerative Units, do not connect the grounds of the Power
Regenerative Units in series. As shown below
Best wiring setup for ground wires
Ground terminal
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