| 引用本文: | 盘宏斌,罗安,赵伟,荣飞.基于DSP的不平衡补偿和单纯形优化的静止无功补偿器[J].电力自动化设备,2009,(3): |
| .Unbalanced compensation and simplex optimization of static var compensator based on DSP[J].Electric Power Automation Equipment,2009,(3): |
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| 摘要: |
| 针对静止无功补偿器SVC(Static Var Compensatot)作为不平衡负荷补偿和电压稳定控制的工况,提出了不平衡补偿和优化控制方法.对于不平衡负荷补偿,提出基于虚拟对称三相系统的同步参考旋转坐标变换的补偿电纳计算方法,利用电网电压中的一相电压构造虚拟的对称三相系统,由此可以准确计算所需的补偿电纳,该方法计算简单,基于该方法的静止无功补偿器不需要硬件锁相环,能够快速、准确地补偿负荷的无功功率;对于电压稳定控制策略,提出了基于改进的单纯形加速算法SPX(SimPleX method)优化递推积分PI控制方法,以ITAE准则作为寻优目标函数,对PI控制器的参数Kp、Ki进行实时调整、寻优,使SVC系统的瞬态响应过程达到最佳,能快速、无超调地跟踪SVC系统的电压设定值.仿真和实验结果表明所提不平衡补偿和优化控制方法的可行性和有效性. |
| 关键词: 静止无功补偿器 不平衡 电纳 电压稳定 单纯形算法 PI控制 |
| DOI： |
| 分类号:TM761 |
| 基金项目:国家自然科学基金? |
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| Unbalanced compensation and simplex optimization of static var compensator based on DSP |
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PAN Hongbin1 2 LUO An1 ZHAO Wei1 RONG Fei1
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| Abstract: |
| The unbalanced load compensation and voltage stability control of SVC(Static Var Compensator) is proposed. For unbalanced load compensation,the compensation susceptance calculation based on virtual symmetrical three-phase synchronous reference frame transform is presented,which uses the single-phase voltage to form the virtual symmetrical three-phase system and accurately calculate the compensation susceptance. The SVC based on this simple calculation method does not need hardware PLL(Phase Locked Loop) and... |
| Key words: static var compensator unbalance susceptance voltage stability simplex method PI control |
