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Distributed combined cooling heating and power supply system and control method thereof

A technology of combined cooling, heating and power supply and control method, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of limited large-scale application, long investment recovery period, low equipment utilization rate, etc., and achieve rapid disassembly and assembly , The effect of simple control system and high equipment utilization

Pending Publication Date: 2022-03-25
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Huge system, complex structure, high investment, long payback period, poor economy and low equipment utilization rate limit its large-scale application

Method used

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  • Distributed combined cooling heating and power supply system and control method thereof

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Embodiment

[0039] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof in the embodiments of the present invention are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to Those steps or elements are not explicitly listed, but may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

[0040] In the description of the pr...

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Abstract

The invention discloses a distributed combined cooling heating and power supply system and a control method thereof, and relates to the technical field of generator energy utilization, the distributed combined cooling heating and power supply system comprises a gas generator set and a heat pump unit, the gas generator set is used for generating stable three-phase power and single-phase power and driving the heat pump unit to refrigerate or heat for a user; the gas generator set comprises a control unit, a power supply unit, an engine unit, a waste heat recovery unit and a cooling unit, under the control of the control unit, the engine unit generates electric energy and drives the heat pump unit to refrigerate or heat through the power supply unit, and the waste heat recovery unit recovers waste heat of the heat pump unit. Heat generated by the engine unit is dissipated through the cooling unit or / and recovered through the waste heat recovery unit. The device has the characteristics of high integration level, low cost, small size and capability of being quickly disassembled and assembled.

Description

technical field [0001] The invention relates to the technical field of generator energy utilization, in particular to a distributed combined cooling, heating and power supply system and a control method thereof. Background technique [0002] The gas-fired combined cooling, heating and power system uses natural gas as the primary energy source and can simultaneously generate electricity, heat, and cooling. Using natural gas as fuel, using gas turbines, gas internal combustion engines and other equipment to generate high-temperature flue gas from natural gas combustion, using waste heat for heating in winter, cooling through absorption heat pumps in summer, and producing domestic hot water at the same time. When the cooling load demand is large in summer, the insufficient cooling capacity is provided by the electric heat pump; in winter, the insufficient heat is provided by the gas boiler. A traditional gas-fired cogeneration system needs to be equipped with gas turbines / inte...

Claims

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Application Information

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IPC IPC(8): F01K13/00F01K21/00F01K23/10F02B63/04F02B77/00F25B29/00F25B49/00
CPCF01K13/00F01K23/10F01K21/00F02B63/04F02B77/00F25B29/00F25B49/00Y02T10/12
Inventor 吕杰宋文吉冯自平
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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