国内首套配变增容调压调平衡装置投运

Core Insights - The successful operation of China's first distribution transformer capacity expansion and voltage regulation balancing device marks a significant breakthrough in flexible control of distribution networks and power quality management [1][2] Group 1: Device Development and Features - The device was jointly developed by the Yunnan Electric Power Research Institute, Yunwang Energy Company, and CRRC Zhuzhou Institute, and was put into operation in Jitou Village, Malong District, Qujing, Yunnan [1] - The device can achieve flexible power regulation between distribution transformers, with a control capacity of 100 kVA and a maximum of 135 kVA, and a voltage adjustment range of ±10% [2] - It features easy installation, stable operation, and support for emergency power sources such as energy storage [2] Group 2: Industry Challenges and Solutions - The increasing demand for electricity in rural areas, the proliferation of household appliances, and seasonal agricultural electricity usage have led to significant overload issues in distribution transformers [1] - The integration of new sources and loads, such as distributed photovoltaics and electric vehicle charging facilities, has introduced challenges like voltage fluctuations, reverse overloads, and harmonic pollution, affecting power supply safety and quality [1] - The Yunnan Electric Power Research Institute has been addressing these issues since 2021, developing key technologies for energy balance and quality control over four years [1]