Uninterruptible power supply system and method for transformer substation

• Main Authors: CHANG HONGYAN, CUI WEIGUO, DING YUKUN, XU QIAO, WANG YUKAI, SUN JUNMING, TAN LINBIN, JING LINGUO
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2024
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The uninterruptible power supply system comprises a UPS power supply device and a photovoltaic power generation device, the first input end of the UPS power supply device is connected with commercial power, the second input end of the UPS power supply device is connected with the photovoltaic power generation device, and the output end of the UPS power supply device is connected with key monitoring equipment of the transformer substation; and a main control module is arranged in the UPS power supply device and is used for acquiring a power supply state signal of the commercial power and the residual storage electric quantity of the UPS power supply device in real time, and controlling the on-off of the first input end, the second input end and the output end of the UPS power supply device according to the power supply state signal of the commercial power and the residual storage electric quantity of the UPS power supply device. According to the invention, not only can uninterruptedly supply power to the key m