Adaptive Protection Scheme in Distribution Networks
Keywords:
distribution generator, 20kV distribution network, multisource, protection systemAbstract
The protection system is comprehensive in scope, and it is essential to maintain continuity of service. The 20 kV distribution network in Indonesia only uses a conventional protection system, so due to the renewal of the power flow configuration to multisource, the protection system needs to be evaluated. This research was conducted by comparing different scenarios using the IEEE 33-bus test system. This test is used to determine the most effective coordination scheme used in 20 kV distribution networks with and without distribution generations (DG). This will determine the type of relay, current and time multiple setting (TMS) of the relay pickup to avoid symphatetic trip and protection blinding. The benefits of the proposed tests and results are that they improve the selectivity and effectiveness of relays despite changing system conditions.
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