Hitachi Energy debuts wireless grid tech that prevents wildfires
by Hitachi Energy just launched wireless Spark Prevention Unit indicators that help prevent wildfires by enabling remote monitoring.
According to the US Department of Energy, approximately 10% of wildfire ignitions are sparked by faults on electrical infrastructure or electric equipment failure. Hitachi Energy’s new Wireless SPU Indicators allow utilities to monitor the grid remotely, in real time, with automated visual inspection rounds.
The SPU monitors the current and the thermal load of surge arresters – which protect equipment from surges in the power system – which are installed in wildfire risk areas.
If there’s a thermal overload in the grid, the SPU interrupts the current flow and disconnects the surge arrester, thus preventing any arcing – which is when a circuit becomes overloaded and overheats – sparking, or ejection of hot particles that could potentially start a wildfire.
A visual indicator on the SPU lets the utility field crew know that it needs to be replaced. Hundreds of thousands of SPUs installed in some of the world’s most wildfire-prone areas such as in the US and Australia have had a real impact in preventing wildfires, and being able to monitor them remotely is only going to improve wildfire prevention.
Read more: How the US can achieve resilient power grids and support EV deployment
Photo: Pok Rie on Pexels.com
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