在文中，无功成本被分为无功生产成本和无功输送成本两部分。
In the paper, the reactive cost is divided into two parts: the reactive generation cost and the reactive transmission cost.
无功功率服务是电力市场辅助服务的一个重要组成部分，对发电厂的无功生产成本进行了探讨。
Reactive power support is an important part of the ancillary services in power markets. The cost of reactive power production in power plants is discussed.
无功补偿可以提高功率因数，变压器的经济运行可以最大限度地降低变压器的电能损耗，需量控制能够降低企业最大峰值负荷，降低生产成本。
It concludes that reactive compensation can increase power factor. Economical transformer operation can decrease energy loss. Power demand control can shed maximum peak load and lower productive cost.
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