Goodrive350 series high-performance multi-function inverter Chapter 4
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4.5.4 Bypass connection
In some critical occasions, industrial frequency conversion circuit is necessary to ensure proper
operation of the system when inverter fault occurs.
In some special cases, eg, only soft startup is needed, it will converts to power-frequency operation
directly after soft startup, corresponding bypass link is also needed.
Do not connect any power source to inverter output terminals U, V and W. The
voltage applied to motor cable may cause permanent damage to the inverter.
If frequent switch-over is needed, users can use the switch which carries mechanical interlock or a
contactor to ensure motor terminals will not be connected to input power cables and inverter output
ends simultaneously.
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