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Relay coordination in smart distribution network using ring main units

机译：使用环形主单元的智能配电网中的中继协调

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In a distribution network, there are mainly primary distribution system (11kV) and secondary distribution system (440V). On the primary distribution side radial feeder topology is generally establish with overhead lines. Now a day, this topology is converted to ring main system by introducing Ring Main Units (RMU) for the protection of distribution system. RMU's are used to provide multiple power sources to the load & maintain continuity of power supply at the time of fault. The main problem in ring main system is relay co-ordination because many relays are present in the system for protection purpose. If relays are not coordinated properly, mal-operation, instantaneous tripping, cascade tripping may result in such system configuration. Hence, it is required to design proper relay coordination to reduce these types of problems. This paper presents simulation of existing Indian distribution system and relay co-ordination in radial and ring main system with the function of RMU.
机译：在配电网络中，主要有一次配电系统（11kV）和二次配电系统（440V）。在主配电侧，通常使用架空线建立径向馈线拓扑。如今，通过引入用于保护配电系统的环网柜（RMU）将这种拓扑转换为环网柜系统。 RMU用于在故障发生时为负载提供多个电源并保持电源的连续性。环网主系统中的主要问题是继电器协调，因为系统中出于保护目的而存在许多继电器。如果继电器的协调不当，则操作不当，瞬时跳闸，级联跳闸可能会导致这种系统配置。因此，需要设计适当的中继协调以减少这些类型的问题。本文介绍了现有的印度配电系统的仿真，以及具有RMU功能的径向和环形主系统中的中继协调。

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