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引言:配电网作为电力系统中直接面向用户供电的环节,其建设水平的高低直接影响到用户电能质量的好坏。近年来,分布式发电技术凭借其可提高系统供电可靠性、降低终端用户费用、降低线路损耗、改善电能质量等优点得到了全社会的广泛关注。然而,一方面分布式发电接入配电网由于其自身的间歇性、波动性、随机性等特点给电网带来了一定的影响,不仅导致电网的潮流、故障机理特性等更加复杂,而且由于其抗干扰能力差,弃光、弃风现象
Introduction: Distribution network as a power system directly to the user-powered part of the level of its construction directly affects the quality of the user’s power quality is good or bad. In recent years, distributed generation technology has drawn wide attention of the whole society due to its advantages of improving the reliability of system power supply, lowering the cost of end users, reducing the line loss and improving the power quality. However, on the one hand, distributed generation network has a certain influence on the power grid due to its intermittency, volatility and randomness, which not only leads to more complicated power flow characteristics and fault mechanism characteristics, Its poor anti-interference ability, Abandoned light, abandoned wind phenomenon