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首页> 外文会议>2015 5th International Conference on Electric Utility Deregulation and Restructuring and Power Technologies >Optimized wind and water combined curtailment strategy for peak regulation of power system
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Optimized wind and water combined curtailment strategy for peak regulation of power system

机译：优化的风水联合削减策略，实现电力系统的峰值调节

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摘要

The widely use of wind power generation in modern power system exerts much pressure on peak regulation, especially after the large-scale wind power plants was connected to the grid. Information of newest researches about wind power integration and peak regulation are introduced at the beginning of the paper. Although there are many methods and theory about increasing the peak regulation capacity proposed, it is hard to avoid wind curtailment totally. In this paper, the operation costs of wind power plants are calculated and it can be inferred that the output of wind power plants and the unit cost of electricity has a nonlinear inverse relationship. Therefore, an appropriate wind curtailment capacity can exert prominent effects on improving the peak regulation ability with low costs. According to the situation that there are many provinces affluent in both water and wind resources, the optimized wind and water combined curtailment strategy is proposed in this paper. It can make the capacity of wind curtailment stay in an appropriate range with the cooperative work of water curtailment. Wind castoff rate and peak adopting rate are calculated in the paper to provide criterion for optimizing the ratio between wind and water curtailment, in order to increase the peak regulation capacity with low cost, especially for the areas which affluent in water resource. In the second half of the paper, a calculate example come from Houlong area of Hunan province is processed by the optimized method. The results and analysis demonstrate that the optimized wind and water combined curtailment strategy is effective and adaptability.
机译：风力发电在现代电力系统中的广泛应用给调峰带来很大压力，尤其是在大型风力发电厂并网后。在本文开始时介绍了有关风电集成和峰值调节的最新研究信息。尽管提出了许多提高调峰能力的方法和理论，但是很难完全避免风的削减。本文通过计算风电厂的运行成本，可以推断出风电厂的产量与单位电力成本之间存在非线性反比关系。因此，适当的限风能力可以低成本显着地提高调峰能力。针对水资源和风能资源丰富的省份，提出了优化的风水联合削减策略。通过水削减的协同工作，可以使风力削减的能力保持在适当的范围内。计算了风的抛弃率和峰值采用率，为优化风水削减率提供了依据，从而以低成本提高了调峰能力，特别是在水资源丰富的地区。本文的后半部分，采用优化方法对湖南后龙地区的一个计算实例进行了处理。结果与分析表明，优化的风水联合削减策略是有效的，适应性强的。

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