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分析了粗轧机冲击负荷对电网的影响后，在晶闸管控制电抗器（TCR）型补偿方案的基础上，提出一种新的TCR动态无功补偿技术。使用瞬时无功检测和平均功率因数补偿相结合的方法，设计出三相全控的数字控制系统。
After analyzing the impact of roughing mill impact load on the power grid, a new TCR dynamic reactive power compensation technique is proposed based on thyristor controlled reactor (TCR) compensation scheme. Using the combination of instantaneous reactive power detection and average power factor compensation, a digital control system of three-phase full-control is designed.