{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,10]],"date-time":"2025-12-10T04:44:38Z","timestamp":1765341878009,"version":"3.46.0"},"reference-count":31,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,3,18]],"date-time":"2025-03-18T00:00:00Z","timestamp":1742256000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003453","name":"Natural Science Foundation of Guangdong Province","doi-asserted-by":"publisher","award":["2022A1515240036"],"award-info":[{"award-number":["2022A1515240036"]}],"id":[{"id":"10.13039\/501100003453","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Circuit Theory &amp;amp; Apps"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Grid\u2010forming inverter (GFI) suffers the small\u2010signal stability issue during grid strength fluctuations. Yet either complex control structures or additional parameters are required to enhance stability under wide short\u2010circuit ratio (SCR) fluctuations. In this article, controller voltage feedback\u2010based power synchronization control (CVF\u2010PSC) is proposed for GFI with simple structure and minimized parameters. The controller voltages rather than the sampled voltages are introduced to power synchronization control (PSC) and reactive power control (RPC) to generate the phase angle and voltage magnitude through controller voltage feedback loop (CVFL). Moreover, CVFL is imported into voltage error calculation to avoid low\u2010frequency resonance in stiff grid. Additionally, virtual resistance (VR) in the current feedback loop is replaced by the notch filter (NF) to guarantee low gain of power coupling terms across the subsynchronous frequency band during wide SCR variations. The small\u2010signal impedance model and power dynamic coupling behaviors are analyzed to verify the enhancement of the positive\u2010sequence impedance of CVF\u2010PSC and suppression on low\u2010frequency resonance under SCR fluctuations. From both theoretical and experimental results obtained from a grid\u2010connected GFI platform, the proposed CVF\u2010PSC are indicated to improve the stability and dynamic response under wide SCR fluctuations.<\/jats:p>","DOI":"10.1002\/cta.4521","type":"journal-article","created":{"date-parts":[[2025,3,19]],"date-time":"2025-03-19T01:26:51Z","timestamp":1742347611000},"page":"7038-7055","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Controller Voltage Feedback\u2010Based Power Synchronization Control for Grid\u2010Forming Inverters Under Wide SCR Fluctuations"],"prefix":"10.1002","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-3202-0323","authenticated-orcid":false,"given":"Yu","family":"Chen","sequence":"first","affiliation":[{"name":"School of Electric Power South China University of Technology  Guangzhou China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0290-476X","authenticated-orcid":false,"given":"Guiping","family":"Du","sequence":"additional","affiliation":[{"name":"School of Electric Power South China University of Technology  Guangzhou China"}]},{"given":"Boyou","family":"Li","sequence":"additional","affiliation":[{"name":"School of Electric Power South China University of Technology  Guangzhou China"}]}],"member":"311","published-online":{"date-parts":[[2025,3,18]]},"reference":[{"key":"e_1_2_8_2_1","first-page":"1","article-title":"Capacitor Voltage Feedback Active Damping With Reduced Computation Delay for Improving Voltage Control Performance of LC\u2010Type Grid\u2010Forming Inverter","author":"Yu J.","year":"2024","journal-title":"International Journal of Circuit Theory and Applications"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/TPEL.2021.3135693"},{"key":"e_1_2_8_4_1","first-page":"1","article-title":"Comparative Analysis and Improvement of 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