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Warning - GRF3

Display - Grid C Overcurrent


Over-current protection of 115% rated feedback. (Nominal value = 2706 A)Trip level: 3112 A >1 msec


Inverter sourcing too much current into the transformer/grid

1. Check transformer taps for proper set-up ratio can indicate incorrect MV-transformer or mains’ transformer taps

2. Check inverter current-transformer CTC wiring

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