计及碳交易机制的含光热电站海岛微网能量管理策略

doi:10.16180/j.cnki.issn1007-7820.2024.08.006

Abstract

Abstract:

In view of the low carbon economy of energy supply and the stable operation of "heat to power" of cogeneration units in offshore islands, an energy management strategy of island micro-grid of photothermal power stations with carbon trading mechanism is proposed. Based on the multi-energy island micro-grid system integrating power collection, heat and water, such as solar thermal power station, heat pump, wind power, micro gas turbine unit and seawater desalination equipment, the heat pump achieves the bi-directional conversion of electric-thermal energy with solar thermal power station to improve the power generation capacity of solar thermal power station and meet part of the heat load demand. Carbon trading mechanism is introduced to limit carbon emissions, and low-carbon economic model of island micro-grid is established to study the economy of different operation modes of island micro-grid with the participation of photothermal power stations. The multi-scenario comparison experiment verifies that the island micro-grid low-carbon economic dispatching can better balance economy and environmental protection, and generate less carbon emissions while operating at a lower economic cost.

Key words: island microgrid, energy management, seawater desalination, carbon trading scheme, low carbon economy, photothermal power station, electric heating conversion, multi-scene comparison

CLC Number:

TP319

GAO Xiangyu, CHEN Bei, HUANG Shuaibo. Energy Management Strategy of Island Microgrid with Photothermal Power Station Including Carbon Trading Mechanism[J].Electronic Science and Technology, 2024, 37(8): 40-46.

Figures/Tables 10

Figure 1.

Figure 2.

Table 1.

Table 2.

Operating parameters of microgrid"

参数	物理含义	数值
η_e	热电转换效率	0.45
μ_s	热损耗	0.10
χ_TES	TES单位储放热的成本系数	0.05
χ_CSP	CSP电站单位出力的成本系数	0.15
φ	储热能量损耗率	0.03
η_c、η_f	TES的储热、放热功率	0.98、0.98
$s H 2 O$	制淡设备单位功率维护成本	0.03

Table 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Table 3.

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交易形式	阶段	价格/元·kWh^-1	时段
	峰时段	1.09	10∶00~12∶00,18∶00,22∶00
售电	平时段	0.68	8∶00~10∶00,12∶00~18∶00
	谷时段	0.35	22∶00~7∶00
	峰时段	0.58	10∶00~15∶00,20∶00~22∶00
热价	平时段	0.36	8∶00~10∶00,15∶00~17∶00
	谷时段	0.25	22∶00~8∶00

场景	运行成本/元	碳排放/kg
1	3 871	3 091
2	4 095	2 414
3	3 884	2 856

Energy Management Strategy of Island Microgrid with Photothermal Power Station Including Carbon Trading Mechanism

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