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Energy management method for distributed system with heat storage device

A distributed system and heat storage device technology, applied in the field of distributed systems, can solve the problems of large redundancy in design capacity of energy storage system, optimal scheduling of system energy, low utilization rate, etc., to achieve great economic advantages and reduce loss of heat energy , the effect of improving utilization

Active Publication Date: 2019-12-13
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Abstract
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  • Application Information

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Problems solved by technology

However, the current distributed system control method including heat storage devices fails to effectively play the role of the heat storage system, resulting in a low utilization rate and the inability to effectively achieve optimal scheduling of system energy; at the same time, the design capacity of the energy storage system is relatively large. poor economy

Method used

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  • Energy management method for distributed system with heat storage device
  • Energy management method for distributed system with heat storage device
  • Energy management method for distributed system with heat storage device

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Embodiment

[0038] The technical solutions of the present invention will be further described below in conjunction with the drawings and specific embodiments.

[0039] Such as figure 1 As shown, an energy management method of a distributed system including a heat storage device, the distributed system includes a gas-fired unit 10, a waste heat recovery device 20, a gas-fired boiler 30, an absorption refrigerator 40, a heat exchanger 50, and a heat storage device 60. The gas-fired unit 10 is connected to the gas pipeline network 100 to obtain natural gas and generate electric energy, and the waste heat recovery device 20 recovers the waste heat; the gas-fired boiler 30 is connected to the gas pipeline network 100 to obtain natural gas and generate heat energy. The gas-fired unit 10 and the power grid 200 provide electric energy to meet the user's electrical load demand; the waste heat recovery device 20 and the gas-fired boiler 30 provide heat energy, which is converted into appropriate c...

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Abstract

The invention provides an energy management method for a distributed system with a heat storage device. The method comprises the steps of electric energy distribution, heat energy distribution, heat storage device control, heat storage device capacity design and the like. Characteristics of user electric cooling and heating loads are combined; the heat energy of the distributed system is stored and released through the heat storage device; optimal scheduling of system energy is achieved, a distributed system control method and a heat storage device design method are improved, system heat energy loss is reduced, the comprehensive energy utilization efficiency is effectively improved, the system investment cost is reduced, the recovery period is shortened, great economic advantages are achieved, and the heat storage technology can be effectively promoted to be applied to an actual distributed system.

Description

technical field [0001] The invention belongs to the field of distributed systems, in particular to an energy management method of a distributed system including a heat storage device. Background technique [0002] Distributed systems have the advantages of being close to users, good access to renewable energy, and high energy utilization efficiency, which is the development trend of new energy and renewable energy systems. Among them, the combined cooling, heating and power (CCHP) system, which uses micro-gas-fired units as the main energy supply, integrates power supply, heating, and cooling. The cascade utilization of integrated energy can reach more than 70%, so the CCHP system has become the mainstream form of distributed system development. [0003] The CCHP system includes multi-energy input and multi-load demand, and the imbalance between production capacity and energy consumption is more prominent, and there is a common phenomenon that the system efficiency is high ...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06313G06Q10/06315G06Q50/06
Inventor 林仕立宋文吉冯自平
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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