| 傅 旭,李富春,杨攀峰,吴 雄.一种新的多省区电网互补运行指标及其应用[J].电力需求侧管理,2021,23(2):22-28 |
| 一种新的多省区电网互补运行指标及其应用 |
| A new multi-provincial grid complementary operation index and its application |
| 投稿时间：2020-11-13 修订日期：2021-01-05 |
| DOI：DOI:10. 3969 / j. issn. 1009-1831. 2021. 02. 005 |
| 中文关键词: 生产模拟 弃电率 协调运行 互补能力 |
| 英文关键词: production simulation power abandoning rate coordinated operation complementary ability |
| 基金项目:国家自然科学基金资助项目（51807149） |
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| 摘要点击次数: 1233 |
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| 中文摘要: |
| 提出了一种省为实体的调度模式下多省区互补运行指标。首先计算各省区独立运行情况下的运行状态和功率交换需求，然后通过功率交换曲线的余缺互济，计算省间电网的互补能力，协调运行各省区电网运行，从而既保证各省区的独立性，又保证各省电力互济性，在求解方法上则大大简化，物理意义明确、操作简单。以青海电网为研究对象，应用所提指标将青海与周边省区的互补运行问题分解为长期购电和调峰互济两个子问题，采用基于全时段8760h生产模拟计算青海购电需求和其他省区的电力补充能力。在满足青海长期购电需求子问题中，用火电富裕较多的新疆解决青海季节性的缺电问题，并通过长期交易形式确定下来；对于临时性电力盈缺则通过与陕西以调峰互济方式加以解决。青海电网的仿真算例验证了方法的有效性。 |
| 英文摘要: |
| A multi - provincial complementary operation index under the province-based scheduling model is proposed. Firstly, the operating status and power exchange needs of each province is claculated under independent operating conditions, and then the complementarity of the inter -provincial grids is calculted through the complementarity of the power exchange curve, which not only ensures the independence of each provinces, but also ensures the mutual benefit of each province. The solution method is greatly simplified, the physical meaning is clear, and the operation is simple. The simulation example of Qinghai practical power grid verifies the effectiveness of the proposed method. The problem of coordinated operation of Qinghai and surrounding provinces is decomposed into two sub-problems: long-term power purchase and short-term load peak -sharing，using 8 760 hour production simulation. In satisfying the sub-problem of long-term electricity purchase demand in Qinghai, Xinjiang province with excess thermal power is used to solved the problem of seasonal shortage of electricity in Qinghai, which is determined through long -term trading. For the temporary power surplus or shortage, it is solved by mutual aid in Shaanxi province. |
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