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1.上海电力大学电气工程学院,上海市 200090
2.国家电网公司华东分部,上海市 200120
3.国网浙江省电力有限公司温岭市供电公司,浙江省温岭市 317500
Received:08 October 2023,
Revised:2024-02-28,
Published Online:28 April 2024,
Published:10 June 2024
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黄海涛,贾秀锋,程凯等.新型电力系统下多元资源发电容量充裕性评估与保障机制[J].电力系统自动化,2024,48(11):77-87.
HUANG Haitao,JIA Xiufeng,CHENG Kai,et al.Sufficiency Evaluation and Guarantee Mechanism for Generation Capacity of Diversified Resources in New Power System[J].Automation of Electric Power Systems,2024,48(11):77-87.
黄海涛,贾秀锋,程凯等.新型电力系统下多元资源发电容量充裕性评估与保障机制[J].电力系统自动化,2024,48(11):77-87. DOI: 10.7500/AEPS20231008009.
HUANG Haitao,JIA Xiufeng,CHENG Kai,et al.Sufficiency Evaluation and Guarantee Mechanism for Generation Capacity of Diversified Resources in New Power System[J].Automation of Electric Power Systems,2024,48(11):77-87. DOI: 10.7500/AEPS20231008009.
为了适应新型电力系统下容量资源多元化新趋势与投资激励新要求,针对中国发电容量充裕性保障机制建设问题,构建了考虑源储荷多元资源的容量补贴价格机制与容量评估方法。首先,基于边际发电成本理论,揭示了纯电能量市场“缺钱问题”与容量定价原理,提出容量补贴价格制定方法,引入容量调整系数有效激励投资。然后,紧密结合源储荷资源为系统峰荷容量提供支撑的不同特征,建立风光水可再生电源和新型储荷主体有功出力与调度模型,与两态法融合构建各类元件模型,采用序贯蒙特卡洛模拟建立了多元化资源充裕容量的可靠性评估方法。在此基础上,提出分类差别实用化评估方法,克服风光储荷传统评估方法的缺陷,较为科学地反映各类资源对容量支撑的实际贡献,兼顾计算简单透明。最后,算例验证表明
该机制能够实现公平补偿,提供科学的发电投资信号并确保回收,保障发电容量充裕与电价稳定,并且实用化评估方法较好平衡了评估精度与政策实施间的关系。
In order to adapt to the new trend of capacity resource diversification and the new requirements of investment incentive in the new power system
aiming at the construction problem of sufficiency guarantee mechanism for generation capacity in China
the capacity subsidy electricity price mechanism and capacity evaluation method are constructed with consideration of diversified source
storage and load resources. First
based on the theory of marginal generation cost
the “lack of money” problem in the pure electric energy market and the principle of capacity pricing are revealed
the method of setting capacity subsidy electricity price is put forward
and the capacity adjustment coefficient is introduced to effectively stimulate investment. Then
combined with the different characteristics of source
storage and load resources
the peak load capacity support is provided for the system
the active power output and scheduling models of wind
solar and water renewable power sources and new load storage entities are established
and the two-state method is integrated to construct various component models. The reliability evaluation method of sufficient capacity of diversified resources is established by using the sequential Monte Carlo simulation. On this basis
a practical evaluation method for classification differences is proposed
which overcomes the defects of traditional evaluation methods of wind
solar
energy storage and load
scientifically reflects the actual contribution of various resources to capacity support
and takes into account the simplicity and transparency of calculation. Finally
the case verification shows that the mechanism can realize fair compensation
provide scientific power generation investment signal
and ensure cost recovery
sufficient generation capacity and stable electricity price. The practical evaluation method better balances the relationship between evaluation accuracy and policy implementation.
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