Gansu province electricity may 'two rules' and the northwest province ancillary services market execution results ( Photovoltaic (pv))

Solar photovoltaic net news: on July 29, gansu energy regulation issued for about 5 months in gansu power grid & other; Two rules & throughout; Ancillary services market, and 1 - May result ancillary services market share between the northwest province, mainly in the photovoltaic (pv).

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4 is low character flexible system to adjust. Power structure is given priority to with coal in our country, only in the coal-fired power generation as a means of power system load, flexibility to adjust resource proportion is low, energy storage unit, gas resources such as the proportion of less than 10%, to the deficiency of system adjustment ability. For comparison, the flexibility of Spain, Germany, the United States and other countries were more than 31%, 19% and 47% of the total resources. In addition, the thermal power load ability is limited, ChunNing peaking capacity by about 50%, smoke condensation unit heating period is only 20%. And Denmark and Germany and other countries by means of heat accumulation and other technical means, smoke condensing units in the heating period of load capacity can reach more than 60%.

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