Design Of Automatic By-Pass Switch For Distribution Automation System (DAS)

Nornikman, Rahimin (2005) Design Of Automatic By-Pass Switch For Distribution Automation System (DAS). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Automatic By-pass Switch (ABS) is a mechanical device used in the Distribution Automation System (DAS). The function of ABS is to cut of the faulted main power line and at the other side to reclose the reserve power line to supply to the load. In the conventional distribution system, the only protection available at the distribution side is circuit breakers placed at substation. However, this scheme of protection will produce complete isolate to the large distribution network due to the operation of circuit breaker when the fault occurs. . By utilizing ABS as part of the DAS, the distribution network can be further divided into smaller sections and the area of blackout can be significantly reduced. The Distribution Automation System (DAS} will allow automatic response to maintain continuous supply to loads when fault occurs. The ABS is design to receive trip signal from RTIJ to operate and send it status signal to RTIJ for monitoring purpose. The complete system of DAS need 2 type of ABS, normally open and normally close located at strategic pole position to perform it function as a part of DAS. At the end of this project, the ABS was able to perform in desired operation and also communicate with RTU as expected.

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