S4【Xiongfei Wang】Challenges and Solutions for Stability of Converter-Based Power Systems.pdf

1、2025 Global Power Electronics Summit,CPSEEC&CPSSC 2025,Shenzhen,ChinaChallenges and Solutions for Stability of Converter-Based Power SystemsXiongfei Wang,Xinghua Chair Professor,Tsinghua University作者授权中国电源学会发布，未经作者同意禁止转载Background 2Ubiquitous power electronic converters in modern power systems EPRIG

2、enerationTransmissionConsumptionHitachi Energy作者授权中国电源学会发布，未经作者同意禁止转载Challenges Oscillations caused by massive integration of voltage-source converters1 Y.Cheng et al.,“Real-World Sub-synchronous Oscillation Events in Power Grids With High Penetrations of Inverter-Based Resources,”IEEE Transactions

3、on Power System,vol.38,no.1,pp.316330,Jan.2023.2 ukasz Kocewiak et al.,“Overview,Status and Outline of Stability Analysis in Converter-based Power Systems,”in Proceedings of Wind Integration Workshop,pp.1-10,Nov.2020.8 Hz oscillation in the north of Scotland3Unstable作者授权中国电源学会发布，未经作者同意禁止转载Challenges

4、 WindSolarSGsStorageIs there a general rule to ensure stable interactionsamong different components?4作者授权中国电源学会发布，未经作者同意禁止转载Insights from Passive ComponentsTransformerLineCapacitor bankShunt reactorPassivecomponentsResistorInductorCapacitorDissipates,stores,and releases energyStable!Positive resista

5、nce5作者授权中国电源学会发布，未经作者同意禁止转载Insights from Passive ComponentsiveControlControl designVoltage-Source ConverterPassive component A converter that emulates the dynamics of passive components Stable If all converters are passive,the whole system(including interactions)is StableFrequency-Domain Passivity T

6、heory 6作者授权中国电源学会发布，未经作者同意禁止转载Frequency-Domain Passivity Theory iveControlPassivity-based control design Outer loopsLfLgabc dqInner loopsidP,Q calc abc dqCCabc dqVC PLL PCPrefisEsvsvsiqEdEqidrefiqrefEref0RPCQrefPQPassive converterPassive networkPassivity as design objectiveConverter dynamic specific