The No.1 Power Distribution Room, the core of the power supply at LHAASO project was successfully powered up on December 10, 2018. The No.1 Power Distribution Room was located at the No.1 Power Load Center of LHAASO. It provided power supply to the Water Cherenkov Detectors, the individual experimental buildings around the pool and more than 6000 detectors of the KM2A array.
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