考虑应急电源功能的住宅小区微电网运行策略An operational strategy for residential microgrids considering emergency power source functionality
李先锋,胡晨刚,卜莉敏,苗文捷,黄文哲,马建军
LI Xianfeng,HU Chengang,BU Limin,MIAO Wenjie,HUANG Wenzhe,MA Jianjun
摘要(Abstract):
随着社会用电量攀升,极端天气频发,电力中断事件时有发生,导致小区等用户用电质量下降。针对该问题,对具有应急电源功能的住宅小区微电网运行策略进行研究。首先,建立了考虑应急电源功能的住宅小区微电网模型,包含分布式光伏、储能、电动汽车等调控资源。然后,在常规状态下,提出以最小购电成本为目标、能量预存为约束的风险评估与能量预管理策略。外部供电中断时,在保证必要负荷供电正常的前提下,提出以资源利用率最大和运行成本最小为目标、以储能容量为约束的应急能量管理策略。最后,通过住宅小区负荷中断场景的仿真实验,验证了所提运行策略的有效性。该运行策略有效解决了住宅小区供电中断问题,在保证住宅供电安全性与可靠性的同时,兼顾了应急供电资源的利用率和经济运行效益。
As the societal demand for electricity rises and extreme weather events become more frequent, power interruptions are occurring, leading to a decline in the quality of electricity for users such as residential communities.In response to this issue, a study was conducted on the operational strategies of residential microgrids incorporating emergency power sources. Initially, a model for a residential microgrid incorporating emergency power sources was established, including distributed PV, energy storage, electric vehicles, and other control resources. Subsequently, in regular conditions, a risk assessment and energy pre-management strategy was proposed with the objective of minimizing electricity purchase costs and constraining energy storage. In the event of external power supply interruptions, while ensuring the normal supply of essential loads, an emergency energy management strategy was introduced with the goals of maximizing resource utilization and minimizing operational costs, using energy storage capacity as a constraint. Finally, the effectiveness of the proposed operational strategies was validated through simulation experiments simulating load interruptions in residential communities. This operational strategy effectively addresses power interruptions in residential communities, balancing the security and reliability of residential power supply while considering the utilization rate of emergency power resources and economic operational benefits.
关键词(KeyWords):
住宅小区微电网;应急电源功能;需求侧响应;弹性系数;风险系数;能量管理
residential microgrid;emergency power source functionality;demand-side response;elastic coefficient;risk coefficient;energy management
基金项目(Foundation): 浙江大有集团有限公司科技项目(DY2022-01)
作者(Author):
李先锋,胡晨刚,卜莉敏,苗文捷,黄文哲,马建军
LI Xianfeng,HU Chengang,BU Limin,MIAO Wenjie,HUANG Wenzhe,MA Jianjun
DOI: 10.19585/j.zjdl.202403012
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- 住宅小区微电网
- 应急电源功能
- 需求侧响应
- 弹性系数
- 风险系数
- 能量管理
residential microgrid - emergency power source functionality
- demand-side response
- elastic coefficient
- risk coefficient
- energy management