基于牛顿-蚁群算法与选择性谐波调制的电网功率放大器宽频控制策略OA北大核心CSTPCD
A control strategy for grid power amplifier broadband based on Newton-Raphson ant colony algorithm and selective harmonic modulation
选择性谐波消除/生成脉宽调制技术能与多电平电力电子变换器相结合,实现低开关频率下的高频电网谐波功率复现.然而,为生成特定次谐波,需要求解非线性开关角方程,其求解精度受开关角初值选取约束,且实时性随着谐波次数的增加而降低.因此提出一种基于牛顿-蚁群算法的实时选择性谐波生成脉宽调制技术.通过建立开关角方程,利用蚁群算法求解初值,进一步结合牛顿算法获得不同开关频率及计算步长对应的最多谐波数目,并分析得到调制比-开关角对应关系.通过查找表获得初始开关角,…查看全部>>
Selective harmonic elimination/generation pulse width modulation technology can be combined with multilevel converters to achieve high-frequency grid harmonic power recurrence at a lower switching frequency.To generate a specific harmonic,it needs to solve nonlinear switching angle equations.However,the accuracy of the solutions is constrained by the initial value selection of switching angle.Also,the real-time performance is reduced with the increase of har…查看全部>>
代子阔;史可鉴;赵晨星;张天成;徐妍;汪诚
国网辽宁省电力有限公司,辽宁 沈阳 110006国网辽宁电力科学研究院,辽宁 沈阳 110006国网铁岭供电公司,辽宁 铁岭 112000国网辽宁省抚顺供电公司,辽宁 抚顺 113000国网铁岭供电公司,辽宁 铁岭 112000南京理工大学,江苏 南京 210000
选择性电网谐波功率放大器级联多电平逆变器牛顿-蚁群算法实时选择性谐波生成脉宽调制
selective grid harmonics power amplifiercascaded multilevel inverterNewton Raphson-ant colony algorithmreal-time selective harmonic generation pulse width modulation
《电力系统保护与控制》 2024 (16)
97-109,13
This work is supported by the Natural Science Foundation of Jiangsu Province(No.BK20190461). 江苏省自然科学基金项目资助(BK20190461)国网辽宁省电力有限公司科技项目资助(2021YF-63)
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