ABB REF615 Product Manual
Also see for relion REF615: Applications manualPoint List ManualApplications manualApplications manualOperation manual
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ABB 11Feeder Protection and ControlREF615Product version: 2.01MRS756379 DFig. 7 Protection and control of two incoming feeders using IEDs with standard configurationF. The two incoming feeders can be connected in parallel by closing the busbar-sectionalizing breaker. To achive selective overcurrent protection, directionalovercurrent stages are needed. Busbar main and back-up protection for outgoingfeeders is implemented using residual overvoltage protection stages. Phase undervoltageand overvoltage protection can be used for tripping or just alarming purposes. |
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