Reliability Evaluation on Power System of Offshore Oilfield Group Based on System-wide Reliability Evaluation Method

Wei DU; Xianjue LUO; Xiuli WANG; Qiwen ZHANG; Xue LI

doi:10.7500/AEPS20190528010

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Reliability Evaluation on Power System of Offshore Oilfield Group Based on System-wide Reliability Evaluation Method

Basic Research | 更新时间：2025-06-16

- Reliability Evaluation on Power System of Offshore Oilfield Group Based on System-wide Reliability Evaluation Method
- Automation of Electric Power Systems Vol. 44, Issue 12, Pages: 108-116(2020)
- 作者机构：
  
  1. 西安交通大学电气工程学院，陕西省西安市 710049
  2. 中海油研究总院有限责任公司，北京市 100028
- 作者简介：
- 基金信息：
  
  National Key R&D Program of China
- DOI：10.7500/AEPS20190528010
  CLC：
- Received：28 May 2019，
  
  Revised：2019-10-14，
  
  Published Online：01 April 2020，
  
  Published：25 June 2020
- 稿件说明：
移动端阅览
杜伟,罗先觉,王秀丽等.基于全系统可靠性评估方法的海上油田群电网可靠性评估[J].电力系统自动化,2020,44(12):108-116.

DU Wei,LUO Xianjue,WANG Xiuli,et al.Reliability Evaluation on Power System of Offshore Oilfield Group Based on System-wide Reliability Evaluation Method[J].Automation of Electric Power Systems,2020,44(12):108-116.
杜伟,罗先觉,王秀丽等.基于全系统可靠性评估方法的海上油田群电网可靠性评估[J].电力系统自动化,2020,44(12):108-116. DOI： 10.7500/AEPS20190528010.

DU Wei,LUO Xianjue,WANG Xiuli,et al.Reliability Evaluation on Power System of Offshore Oilfield Group Based on System-wide Reliability Evaluation Method[J].Automation of Electric Power Systems,2020,44(12):108-116. DOI： 10.7500/AEPS20190528010.

摘要

海上油田群电力系统可靠性的优劣显著影响石油生产。考虑到该类电力系统是一个包含发电、输电、变电、配电系统的独立电力系统，故障时切负荷措施也不同于陆上电力系统，因此传统可靠性评估的模型和算法不能直接使用。文中基于全系统可靠性评估理论提出一种海上油田群电力系统可靠性评估方法，并建立了全系统可靠性指标体系。在状态采样时，根据全系统可靠性评估理论将全系统分为发输电系统采样和配电系统采样，并建立综合评估方法。在发输电系统状态评估中，考虑到海上油田群电网及其负荷的特点，建立基于优先脱扣的切负荷模型。在配电系统状态评估中，考虑了级联故障的影响。最后以某油田群电力系统为实际算例，得出全系统指标并分析4类故障的影响，验证了所提方法的正确性和有效性。

Abstract

The reliability of power system of offshore oilfield group has a significant impact on the oil production. Considering that this kind of power system is an independent power system including generation

transmission and distribution systems

and load shedding measures are different from those of onshore power system when a fault occurs

the traditional reliability evaluation model and algorithm cannot be applied directly. A reliability evaluation method is proposed for offshore oilfield power system based on the system-wide reliability evaluation theory

and an index system is set up for the system-wide reliability. During the state sampling

the whole power system sampling can be divided into generation and transmission system sampling and distribution system sampling according to the system-wide reliability evaluation theory

and the comprehensive evaluation method can be established. In the state evaluation of generation and transmission system

the load curtailment model based on priority trip is constructed considering the characteristics of offshore power system and its load. In the state evaluation of distribution system

the effects of cascading failure are taken into consideration. Finally

evaluation is conducted on a practical example of an offshore oilfield power system. The system-wide indices are obtained and the influences of the four kinds of failures are analyzed to prove the correctness and effectiveness of the proposed method.

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references

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