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CCHP system model selection method and system capable of meeting thermoelectric loads at same time

A load and thermoelectric technology, applied in system integration technology, information technology support systems, instruments, etc., can solve the problems of introducing separate production equipment, unstable user load, and low equipment utilization

Active Publication Date: 2021-01-29
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two basic design strategies are carried out on the premise of meeting the maximum demand of users, but the user load is unstable within a day, which leads to the mismatch of energy supply of the CCHP system, low equipment utilization, equipment downtime or the introduction of The phenomenon of separate production equipment reduces the operating efficiency of the CCHP system and causes energy waste

Method used

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  • CCHP system model selection method and system capable of meeting thermoelectric loads at same time
  • CCHP system model selection method and system capable of meeting thermoelectric loads at same time
  • CCHP system model selection method and system capable of meeting thermoelectric loads at same time

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] A CCHP system selection method that satisfies both thermal and electrical loads, such as figure 1 ,Specifically:

[0068] S1: According to the user's electricity load characteristic parameter E L and with heat load characteristic parameter Q L And the power supply regulation characteristic parameter E of the gas turbine G and the characteristic parameter Q of waste heat regulation G Identify available models of gas turbines;

[0069] S2: Determine the range of sets of gas turbines that meet the user's thermal and electrical load requirements;

[0070] S3: Determine the enabling conditions and minimum capacity of the distribution equipment.

[0071] E. L and Q L The calculation formula is:

[0072]

[0073]

[0074] Among them, L e，min is the user's minimum electric load, L e，max is the user’s maximum electrical load, L q，min The minimum waste heat load required by the user, L q，max The maximum waste heat load required by the user, the electric load ran...

Embodiment 2

[0106] A CCHP system type selection system that satisfies thermal and electrical loads corresponding to Embodiment 1, including:

[0107] The electric heating load calculation module is used to calculate the user's electric load characteristic parameter E L and with heat load characteristic parameter Q L , the calculation formula is:

[0108]

[0109]

[0110] Among them, L e，min is the user's minimum electric load, L e，max is the user’s maximum electrical load, L q，min The minimum waste heat load required by the user, L q，max The maximum waste heat load required by the user;

[0111] Electric heating power calculation module: used to calculate the power supply adjustment characteristic parameter E of the gas turbine G and the adjustment characteristic parameter QG of waste heat supply, the calculation formula is:

[0112]

[0113]

[0114] Among them, G e，min is the minimum generating power of the gas turbine, G e，max is the maximum generating power of th...

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Abstract

The invention relates to a CCHP system model selection method and system capable of simultaneously meeting thermoelectric loads. A CCHP system comprises a gas turbine capable of adjusting regenerativeheat, waste heat utilization equipment and production allocation equipment, wherein the waste heat utilization equipment and the production allocation equipment are connected with the gas turbine. The method comprises the following steps: calculating power consumption load characteristic parameters and heat consumption load characteristic parameters of the user and power supply adjustment characteristic parameters and waste heat supply adjustment characteristic parameters of the gas turbine, and selecting the type of the gas turbine meeting the judgment condition as an available type; determining the available range of the set number n of the gas turbines with the available models and the minimum capacity of the separate production equipment. Compared with the prior art, the method has the advantages of reducing the capacity of production division equipment, reducing system energy consumption, being high in universality and the like.

Description

technical field [0001] The invention relates to the field of distributed energy supply system design, in particular to a CCHP system type selection method and system that simultaneously satisfy thermal and electric loads. Background technique [0002] The CCHP system is also called the combined cooling, heating and power system. The distributed combined cooling, heating and power system using natural gas as energy is a main form of the distributed energy supply system. The system uses a gas turbine or a gas internal combustion engine as the prime mover to generate electricity, and then uses the exhaust heat of the prime mover to drive the waste heat utilization equipment to provide the cold and heat required by the user and realize the cascade utilization of energy. Reasonable collocation can make the system achieve high comprehensive utilization efficiency, and has broad application prospects. It will be used as a supplement to centralized energy supply, and the proportion ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0639G06Q50/06Y04S10/50Y02E40/70
Inventor 郑莆燕齐同磊杨义白天宇尉清源姚哲豪邹思宇
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER