Investigation of Overcurrent Relay Tripping Time Protection Using PSCAD Software
Abstract
This paper studied the modelling of 132/33/11kV overcurrent protection by using PSCAD software. The objective of this project is to compare between IEC 60255 Standard and IEEE C37.112 Standard overcurrent relay response time in the event of fault current. The parameters of Plug Setting (PS) and Time Multiplier Setting (TMS) were set in each of relays to observe the relay response time. The results show both standards produce very similar time responses of the relay operation.
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