Electrical distribution systems are becoming increasingly complex due to developments such as the greater use of embedded generation. Additionally, regulators put pressure on the providers to ensure the quality and continuity of supply. This situation results in a need for automation to replace manual control of the system. In the event of a loss of supply, the network must quickly be reconfigured to reconnect as many consumers as possible, a process known as Fault Location, Isolation and Supply Restoration (FLISR). Equipment such as Kehui’s PZK range can provide the intelligence to identify the fault and take the necessary action without any human intervention. They can interact peer-to-peer to automate a local network, or work as remote terminal units (RTU) for a wider SCADA system based on a central control system.
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OVERHEAD LINE FAULT PASSAGE INDICATOR
visual indication of the fault path, to help identify the fault location
DISTRIBUTION NETWORK TERMINAL
The distribution automation controller for the harsh environmental operating of IED
controls the open/close of the switch onto the line and monitors status of bus switch