Research on Optimal Operation of Cold-Thermal-Electric Integrated Energy System Considering Source-Load-Storage Multi-Energy Complementarity

doi:10.12096/j.2096-4528.pgt.19100

Abstract

Abstract:

The integrated energy system (IES) is based on multi-energy complementarity and energy ladder utilization, which will greatly improve the energy utilization of the system and achieve multiple energy flow complementary optimization. A cold-thermal-electric IES was established. The objective function is the lowest total operating cost of the system. Considering the constraints of equipment model and power balance, the daily load is used to simulate the economic optimal operation of the comprehensive energy system. Considering that the operating conditions of the system vary greatly in winter and summer, the operation mode is adjusted by the seasons, and the branch and bound (B-a-B) was used to solve the optimization model. The simulation results show that the system energy supply balance, "source-load-storage" complementary collocation, the system is flexible, economical and efficient, and at the same time, the system emits less pollutant gas, which is conducive to environmental protection.

Key words: integrated energy system (IES), multi-energy complementarity, source-load-storage, optimal operation, different seasonal adjusts, branch and bound

CLC Number:

TK01

Bin OYANG,Zhichang YUAN,Chao LU,Lu QU,Dongdong LI. Research on Optimal Operation of Cold-Thermal-Electric Integrated Energy System Considering Source-Load-Storage Multi-Energy Complementarity[J]. Power Generation Technology, 2020, 41(1): 19-29.

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