![]() Planned interventions rather than post fault repair on cables produces both financial and customer service benefits. This enables pro-active deployment of reclosing devices and pro-active cable repair before fault. The aim of the project is to recognise LV pre-fault signals and then use low cost monitoring devices to identify and locate developing faults before supply outages occur. ![]() The Foresight project involves using a range of LV network monitoring equipment in combination with automated switching devices. Responses to faults tend to be reactive as the condition of LV cable systems at any point in time is unknown and there is no capability of predicting the timing and location of faults before the event occurs. Restoration times can be lengthy, as most of the LV network is neither comprehensively monitored nor controlled automatically. In addition, Low Carbon Technologies, such as electric vehicles, heat pumps and distributed generation are increasingly being connected to the LV network, changing power flows, voltage profiles and increasing stresses on the network.ĭue to an ageing network, much of which is over 50 years old, LV fault management is becoming increasingly difficult. Many Electricity Network Operators have improved the performance of High Voltage networks and consequently a significant proportion of customer interruptions and customer minutes lost now result from Low Voltage (LV) faults. This type of approach will require a whole new paradigm shift in operational culture within electricity distribution companies to be effective and avoiding these faults would deliver significant quality of supply benefits.Įlectricity Regulators continue to focus on increased availability and reliability of networks. It will also provide an indication as to whether the fault is imminent or not so that operational resource can be targeted in the most effective way. ![]() The Foresight project outlines a new approach to LV fault management using innovative, ground-breaking low-cost technology that can not only detect gestating faults but can successfully locate them before a loss of supply occurs. Foresight - LV Network Visibility and Fault Recognition
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