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A method for location selection and capacity determination of distributed energy storage in distribution network considering the quantitative characteristics of energy storage system

A technology of distributed energy storage and energy storage system, which is applied in the field of distributed energy storage site selection and capacity determination in distribution network, and can solve the problems such as large differences in energy storage equipment parameters

Active Publication Date: 2021-07-16
TIANJIN UNIV
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Problems solved by technology

However, the parameters of different types of energy storage devices in actual engineering are quite different, and each is suitable for different demand scenarios

Method used

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  • A method for location selection and capacity determination of distributed energy storage in distribution network considering the quantitative characteristics of energy storage system
  • A method for location selection and capacity determination of distributed energy storage in distribution network considering the quantitative characteristics of energy storage system
  • A method for location selection and capacity determination of distributed energy storage in distribution network considering the quantitative characteristics of energy storage system

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specific Embodiment

[0094]For this embodiment, first input the impedance value of the line element in the IEEE 33 node system, the active power and reactive power of the load element, and the connection relationship of the network topology. The calculation example structure is as follows figure 2 As shown, see Table 1 and Table 2 for detailed parameters; connect 5 sets of wind turbines and 3 sets of photovoltaic systems, the power factor is 1.0, and the location and capacity are shown in Table 3; consider connecting three different types of distributed energy storage, the specific The parameters are shown in Table 4. The planned total power and total energy storage capacity are 1MVA and 4MWh respectively; the maximum number of energy storage system nodes allowed is 4; the service life of the energy storage system is 10 years, and the discount rate is 0.08; the time-of-use electricity price parameters are shown in Table 5 Finally, set the reference voltage of the system to 12.66kV and the referen...

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Abstract

A distributed energy storage location and capacity determination method for distribution network considering the quantitative characteristics of energy storage system: input the structure and parameters of the selected distribution system; obtain the typical scenarios for distributed energy storage location and capacity The probability of occurrence of the scenario throughout the year; establish a distribution network distributed energy storage location and capacity model considering the quantitative characteristics of the energy storage system, including objective functions and constraints; The energy storage site selection and fixed capacity model is solved by a mixed integer nonlinear programming mathematical solver; the solution results are output, including the annual comprehensive cost of the distribution network, the annual operating cost of the distribution network, the converted annual investment cost of the energy storage system, and the configuration of the storage system. Energy system type, location, and capacity options. The invention establishes and solves the distribution network distributed energy storage site selection and capacity determination model considering the quantitative characteristics of the energy storage system. Reasonable configuration scheme.

Description

technical field [0001] The invention relates to a method for site selection and capacity determination of distributed energy storage in a distribution network. In particular, it relates to a method for site selection and capacity determination of distributed energy storage in distribution networks considering the quantitative characteristics of energy storage systems. Background technique [0002] With the increasing penetration of distributed power and new flexible loads, the traditional one-way passive distribution network is gradually evolving into an active distribution network. The access of large-scale distributed power brings benefits such as reducing system loss, improving power supply reliability, and reducing environmental pollution to the distribution network. influences. [0003] The advancement of the market-oriented reform of the power industry has created a free and fair power trading environment and realized the rational use of social resources. However, i...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06G06K9/62
CPCG06Q10/06313G06Q10/06315G06Q50/06G06F18/23213
Inventor 李鹏赵天宇王成山宋关羽赵金利
Owner TIANJIN UNIV
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