Goodrive100-PV Series Solar Pumping VFD Options and use
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A.4 Reactors
When the distance between the VFD and motor is longer than 50 m, the parasitic capacitance
between the long cable and ground may cause large leakage current, and overcurrent
protection of the VFD may be frequently triggered. To prevent this from happening and avoid
damage to the motor insulator, compensation must be made by adding an output reactor.
When a VFD is used to drive multiple motors, take the total length of the motor cables (that is,
sum of the lengths of the motor cables) into account. When the total length is longer than 50 m,
an output reactor must be added on the output side of the VFD. If the distance between the
VFD and motor is 50 m to 100 m, select the reactor according to the following table. If the
distance is longer than 100 m, contact our technical support technicians.
Output reactor model selection
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