Non-communication Dynamic Low Frequency Wind Power System and Its Applicability Analysis of Generator Types

JIA Feng; ZHANG Xu; CHEN Lei; FU Yang; WANG Qian; GUO Lingyu; LI Zhenkun

doi:10.13334/j.0258-8013.pcsee.240102

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Non-communication Dynamic Low Frequency Wind Power System and Its Applicability Analysis of Generator Types

更新时间：2026-02-02

- Non-communication Dynamic Low Frequency Wind Power System and Its Applicability Analysis of Generator Types
- Vol. 45, Issue 16, Pages: 6354-6367(2025)
- 作者机构：
  
  1. 海上风电技术教育部工程研究中心(上海电力大学), 上海市杨浦区,200090
  2. 上海电力大学电气工程学院, 上海市杨浦区,200090
  3. 国网上海市电力公司电力科学研究院, 上海市虹口区,200437
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.240102
  CLC：
- Published：2025
- 稿件说明：
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JIA Feng, ZHANG Xu, CHEN Lei, et al. Non-communication Dynamic Low Frequency Wind Power System and Its Applicability Analysis of Generator Types[J]. 2025, 45(16): 6354-6367.
DOI：

JIA Feng, ZHANG Xu, CHEN Lei, et al. Non-communication Dynamic Low Frequency Wind Power System and Its Applicability Analysis of Generator Types[J]. 2025, 45(16): 6354-6367. DOI： 10.13334/j.0258-8013.pcsee.240102.

摘要

无通信动态低频风电系统充分融合柔性低频输电和风电场集中变频两项技术，应用于中远海风电时具有成本低、可靠性高、易于提供电网频率支撑等优势。针对远距离无通信集中变频控制可能受到线路压降和有功损耗的不利影响的问题，提出一种基于同步旋转相量计算的有功损耗与电压降落在线计算方法，据此修正无通信集中变频的就地控制架构；针对该技术中多发电机直接电气耦合的特点，开展多种发电机型的适用性分析；从工作原理、场内交互、动态无功需求的角度论证鼠笼感应发电机应用于动态低频风电系统的优势；采用同步发电机时，多机在动态差异风速下可能发生严重的场内有功交互，为发电机增设q轴阻尼绕组可有效改善该问题。最后，研制基于鼠笼感应发电机的动态低频风电系统实验平台，验证技术方案的可行性和优越性。

Abstract

The non-communication dynamic low frequency wind power system (NC-DLFWPS) integrates the flexible low frequency transmission technique and the centralized power conversion technique

which has advantages of low cost

high reliability when applied to medium-to-long distance offshore wind farm

and is easy to provide grid frequency support. Addressing the issue that remote centralized frequency conversion control without communication may be adversely affected by line voltage drop and active power loss

an online calculation method for active power loss and voltage drop based on synchronous rotating phasor calculation is proposed. Based on this

the local control architecture of centralized frequency conversion without communication is modified. The suitability analyses of four types of generators are carried out in response to the characteristics of direct electrical coupling of multiple generators. The advantages of using squirrel cage induction generators in NC-DLFWPS were demonstrated from the perspectives of working principle

multi-generator interaction

and dynamic reactive power demand. Analysis shows that the synchronous generators in NC-DLFWPS may result in severe active power interaction under dynamic discrepant wind speeds

and adding a q-axis damping winding can effectively improve this problem. The SCIGs-based experimental platform is built

which verified the feasibility and superiority of NC-DLFWPS.

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