Nuclear-Pumped Storage Combined Operation Planning Based on Production Simulation and Entropy Weight Method

doi:10.11930/j.issn.1004-9649.202506027

Abstract

Abstract:

Pumped storage demonstrates significant peak-shaving and valley-filling effects. While combined operations with nuclear power can stabilize the utilization hours of nuclear plants, they may also compress the generation space for renewable energy. To address this conflict, this paper explores the planning of "nuclear-pumped storage" combined operation from system benefits. First, the reasonable installation ratio is studied from two dimensions: output equivalence and economic benefits. On this basis, using an 8 760-hour production simulation, it obtains key data profiles such as system generation costs, renewable energy accommodation rates, and coal power generation volumes for different combined operation scales. Finally, based on the objective weights assigned to key indicators by the entropy weight method, it integrates multiple data into a comprehensive evaluation to accurately recommend the optimal combined operation scale. The results indicate that the established analysis method can meet the requirements for combined operation planning across multiple indicator dimensions; conducting combined operation at a reasonable scale can achieve optimal overall benefits under the constraints of key indicators.

Key words: pumped storage, nuclear power, production simulation

ZHUO Dingming, DU Rui, YANG Yuantong, GE Hailin, YANG Jiawei, XU Zhenzhen, YI Yang. Nuclear-Pumped Storage Combined Operation Planning Based on Production Simulation and Entropy Weight Method[J]. Electric Power, 2025, 58(10): 180-187.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202506027

https://www.electricpower.com.cn/EN/Y2025/V58/I10/180

Figures/Tables 8

References 27

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方案	核电总规模/ 万kW	抽水蓄能总规模/ 万kW	联营核电规模/ 万kW	联营抽水蓄能规模/ 万kW	联营核蓄配比	全省核电等效利用小时数/h
1	1 706	885	0	0	—	7 000
2	1 706	885	120	43	2.8∶1	7 049
3	1 706	885	240	86	2.8∶1	7 098
4	1 706	885	360	129	2.8∶1	7 148
5	1 706	885	480	172	2.8∶1	7 197
6	1 706	885	600	215	2.8∶1	7 246
7	1 706	885	720	258	2.8∶1	7 295
8	1 706	885	840	301	2.8∶1	7 345

方案	核电总规模/ 万kW	抽水蓄能总规模/ 万kW	联营核电规模/ 万kW	联营抽水蓄能规模/ 万kW	联营核蓄配比	全省核电等效利用小时数/h
1	1 706	885	0	0	—	7 000
2	1 706	885	120	43	2.8∶1	7 049
3	1 706	885	240	86	2.8∶1	7 098
4	1 706	885	360	129	2.8∶1	7 148
5	1 706	885	480	172	2.8∶1	7 197
6	1 706	885	600	215	2.8∶1	7 246
7	1 706	885	720	258	2.8∶1	7 295
8	1 706	885	840	301	2.8∶1	7 345

电源类型	利用小时数/h
电源类型	方案1	方案2	方案3	方案4	方案5	方案6	方案7	方案8
煤电	3 399	3 378	3 354	3 331	3 310	3 287	3 267	3 255
气电	1 314	1 323	1 352	1 378	1 390	1 419	1 439	1 459
水电	2 435	2 435	2 435	2 435	2 435	2 435	2 435	2 435
抽蓄	1 553	1 555	1 561	1 566	1 572	1 578	1 584	1 595
核电	6 999	7 054	7 110	7 164	7 220	7 275	7 331	7 388

电源类型	利用小时数/h
电源类型	方案1	方案2	方案3	方案4	方案5	方案6	方案7	方案8
煤电	3 399	3 378	3 354	3 331	3 310	3 287	3 267	3 255
气电	1 314	1 323	1 352	1 378	1 390	1 419	1 439	1 459
水电	2 435	2 435	2 435	2 435	2 435	2 435	2 435	2 435
抽蓄	1 553	1 555	1 561	1 566	1 572	1 578	1 584	1 595
核电	6 999	7 054	7 110	7 164	7 220	7 275	7 331	7 388

电源类型	发电量/(亿kW·h)
电源类型	方案1	方案2	方案3	方案4	方案5	方案6	方案7	方案8
煤电	1442.0	1433.0	1423.0	1413.0	1404.0	1395.0	1386.0	1381.0
气电	77.9	78.5	80.2	81.7	82.4	84.1	85.3	86.5
水电	295.0	295.0	295.0	295.0	295.0	295.0	295.0	295.0
抽蓄	137.4	137.7	138.2	138.6	139.1	139.6	140.2	141.2
核电	1195.0	1205.0	1214.0	1223.0	1233.0	1242.0	1252.0	1262.0