机组一次调频特性在线监测方法

doi:10.11930/j.issn.1004-9649.201608079

中国电力 ›› 2017, Vol. 50 ›› Issue (12): 68-74.DOI: 10.11930/j.issn.1004-9649.201608079

机组一次调频特性在线监测方法

谈博¹, 陈志刚¹, 顾涛², 赵志丹¹, 俞静², 曹琛²

1. 西安热工研究院有限公司,陕西西安 710054;
2. 华能上海石洞口第二电厂,上海 200942

收稿日期:2016-08-20 修回日期:2017-08-19 出版日期:2017-12-20 发布日期:2018-01-30
作者简介:谈博（1989—）,男,陕西西安人,工程师,从事火电机组的系统建模、控制策略研究及优化调试工作。E-mail:tanbo@tpri.com.cn

A Method of Online Monitoring on Characteristics of Primary Frequency Regulation in Thermal Power Units

TAN Bo¹, CHEN Zhigang¹, GU Tao², ZHAO Zhidan¹, YU Jing², CAO Chen²

1. Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China;
2. Huaneng Shanghai Shidongkou Second Power Plant, Shanghai 200942, China

Received:2016-08-20 Revised:2017-08-19 Online:2017-12-20 Published:2018-01-30

摘要/Abstract

摘要： 针对中国东部发达地区外来输电线路故障造成电网频率振荡的安全风险,分析网源之间自动发电控制架构,提出一种机组一次调频特性在线监测方法。基于混合能量管理系统,设计一次调频在线监测的原理图;由工程实践出发,采用不同的评价指标衡量调频效果;结合某超超临界机组性能及分时技术,建立机组侧一次调频在线监测的控制策略。试验结果表明,在线监测系统功能良好,将事故分析改为事先监督,且一次调频评价参数满足调度规程。

关键词: 火电机组, CCS, DEH, 一次调频, 在线监测, 评价指标, 自动发电控制

Abstract: Aiming at the security risks of power grid frequency oscillations caused by the external transmission line faults from the eastern developed area, the architecture of automatic generation control between power grid and power plant is analyzed, and a method of online monitoring of the characteristics of primary frequency regulation(PFR) in thermal power units is proposed. Based on the hybrid energy management system, the schematic diagram of PFR online monitoring is designed. According to the engineering practice, the effect of PFR is measured in terms of different evaluation indexes. Considering the performance of ultra-supercritical units and the technology of time division, the control strategy of PFR online monitoring is established. The test results demonstrate satisfactory performance of the proposed online monitoring system. In addition, improvement is made by replacing the original post-faults analysis with pre-faults supervision, and the parameters of PFR can meet all the requirements of dispatching procedures.

Key words: thermal power plant, CCS, DEH, primary frequency regulation, online monitoring, evaluation index, automatic generation control

中图分类号:

TM761.2

谈博, 陈志刚, 顾涛, 赵志丹, 俞静, 曹琛. 机组一次调频特性在线监测方法[J]. 中国电力, 2017, 50(12): 68-74.

TAN Bo, CHEN Zhigang, GU Tao, ZHAO Zhidan, YU Jing, CAO Chen. A Method of Online Monitoring on Characteristics of Primary Frequency Regulation in Thermal Power Units[J]. Electric Power, 2017, 50(12): 68-74.

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机组一次调频特性在线监测方法

A Method of Online Monitoring on Characteristics of Primary Frequency Regulation in Thermal Power Units

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