Should pumped storage power station be included in the power grid?
With the development of transmission and distribution price reform in China, pumped storage power station can not continue to be included in the effective assets of the power grid, and its cost can not be dredged through the transmission and distribution price, so it is urgent to find a way to protect its own income through the market.
Why is pumped storage bidding model important?
It can better reflect the two-way influence of pumped storage’s bidding strategy and market clearing price, It is used to simulate the process of game between pumped storage and other competitors, which is closer to the real bidding scenario, so that the calculation results of the model have higher reference value.
What is the competitive strategy optimization model of pumped storage power station?
In the competitive strategy optimization model of PSPS, the physical characteristics of a pumped storage power station need to be considered, such as the variable speed technology of the generator or pumping unit, whether there is a frequency converter, and whether it is synchronous or asynchronous motor.
Should pumped storage power stations use a three-stage model?
The calculation example analysis shows that compared with the traditional model, the “three-stage” model can bring better benefits to the pumped storage power station, and when the actual value of demand fluctuates within −8%, the pumped storage power station has the ability to resist risks higher than the market average.
How does demand affect pumped storage power plants?
When the demand presents positive fluctuations, the total revenue of PSPS fluctuates relatively stable, and the greater the demand, the greater the increase in revenue of pumped storage power plants. Further analyze the total transaction volume of the EESM when demand fluctuates, as shown in Fig. 11. Fig. 11.
What happens if the PSPS adopts a three-stage bidding model?
It can be seen from Fig. 9 that when the PSPS adopts the “three-stage” bidding model to obtain the competitive strategy of quotation and volume as shown in Fig. 7 to participate in the EESM, when the demand fluctuates about −10%, the total revenue it will be reduced by about 10%.
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