Customers

Making substations the cornerstone of your smart grid

Utilities today face increasing pressure to improve grid reliability and efficiency, while simultaneously enhancing security of supply. They must also support a higher ratio of distributed energy resources (DER) — such as renewable energy sources, distributed storage, and electric vehicle charging stations — connected to medium voltage (MV) or low voltage (LV) distribution systems.

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Low carbon vision: insights from the NTVV innovation project

As the low-carbon energy market continues to develop, network operators will need to know a lot more about what is happening on their systems. New Thames Valley Vision (NTVV), a Low Carbon Networks Fund (LCNF) project led by Scottish and Southern Electricity Networks (SSEN), has looked at how this can be done.

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Locating faults

Traditionally, options for reclosing on mixed and underground circuits to locate faults have been limited. Mixed feeders are the most difficult to manage for reliability and protection, and they contribute highly to customer interruptions and customer minutes lost. They also are expensive to own and operate. Underground circuits have large numbers of customers, so utilities tend to prioritise repairing them for rapid restoration.

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