Flexible load energy storage modeling method for regional comprehensive energy system

A technology of integrated energy system and modeling method, which is applied in the field of flexible load energy storage modeling of regional integrated energy system, and can solve problems such as the difficulty of calculating energy flow distribution

Active Publication Date: 2021-01-05
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] With the addition of multiple forms of energy, the types and quantities of equipment have increased dramatically, making it difficult to calculate the energy flow distribution in the region

Method used

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  • Flexible load energy storage modeling method for regional comprehensive energy system
  • Flexible load energy storage modeling method for regional comprehensive energy system
  • Flexible load energy storage modeling method for regional comprehensive energy system

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Experimental program
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Effect test

Embodiment

[0065] Taking the regional integrated energy system including renewable energy, CHP units, power storage / heating equipment, and flexible loads as the research object, a typical day in summer is selected for simulation verification. The parameters of each energy supply equipment of the system are shown in Table 1. Wind, optical power curves, and system all-day electric / thermal load curves use historical forecast data. Among them, the maximum response of transferable load and load reduction accounted for 15% of the original load, and the maximum response of interruptible load accounted for 10% of the original load. The electricity price adopts the time-of-use electricity price, and the price of natural gas after unit conversion is 0.281 yuan / kWh.

[0066] Table 1 Energy supply equipment parameters of regional comprehensive energy system

[0067]

[0068]

[0069] In the integrated energy collaborative optimization operation method of this embodiment, the model built is a...

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Abstract

The invention discloses a flexible load energy storage modeling method for a regional integrated energy system, and the method comprises the following steps: S1, building a transferable load energy storage model: combining with the characteristics that a transferable load power utilization behavior can be transferred from a moment when the power price is higher to a moment when the power price islower, but the power utilization behavior still happens and the total power consumption remains unchanged, and establishing an energy storage model; S2, establishing an interruptible load energy storage model: establishing the energy storage model by combining the operation characteristics of the electric boiler as the interruptible load; and S3, establishing a reducible load energy storage model:converting a traditional reducible load curve into a temperature interval according to the comfort degree range of the user, and converting the reducible load from a fixed value into a flexible value, thereby establishing the energy storage model. According to the method, the potential of participation of the cooling, heating and power loads in demand response is fully explored, and good model reusability and rapid convergence are shown in the optimal scheduling process of the comprehensive energy system.

Description

technical field [0001] The invention relates to the field of regional comprehensive energy systems, in particular to a modeling method for flexible load energy storage of regional comprehensive energy systems. Background technique [0002] The regional integrated energy system integrates primary energy such as wind energy, solar energy, and natural gas. Through the integration of different types of energy production and supply methods, the collaborative optimization of cold / heat / electricity / gas is realized on the supply side, transmission side, and demand side, thereby realizing energy. Structural optimization reduces dependence on traditional fossil energy. [0003] With the addition of multiple forms of energy, the types and quantities of equipment have increased dramatically, making it difficult to calculate the energy flow distribution in the region. In addition, different components in the system cause multiple energy sources to couple with each other, and the differen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/28H02J3/32H02J3/46G06Q10/06G06Q50/06
CPCH02J3/00H02J3/28H02J3/32H02J3/466H02J3/0075G06Q10/06312G06Q10/06315G06Q50/06H02J2203/10H02J2203/20H02J2300/22H02J2300/28H02J2300/40H02J2310/64Y04S10/50Y02E40/70Y04S20/222Y02B70/3225
Inventor 窦晓波梁馨予龙寰胡秦然吴在军
Owner SOUTHEAST UNIV
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