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Lowest equivalent electrovalence-of-system-based microgrid system design scheme and test platform

A system design and micro-grid technology, which is applied in the direction of single-network parallel feeding arrangement, calculation, and electrical measurement, can solve the problems of increasing the complexity and difficulty of micro-grid system design

Active Publication Date: 2016-01-06
中国东方电气集团有限公司
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  • Abstract
  • Description
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Problems solved by technology

These characteristics increase the complexity and difficulty of microgrid system design

Method used

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  • Lowest equivalent electrovalence-of-system-based microgrid system design scheme and test platform
  • Lowest equivalent electrovalence-of-system-based microgrid system design scheme and test platform
  • Lowest equivalent electrovalence-of-system-based microgrid system design scheme and test platform

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Experimental program
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Embodiment Construction

[0051] see figure 1 As shown, the micro-grid system design scheme and test platform based on the lowest system equivalent electricity price proposed by the present invention, the micro-grid refers to a collection of distributed power sources, energy storage devices, energy conversion devices, loads and monitoring, and protection devices. The small power generation and distribution system is an autonomous system capable of self-control, protection and management, including: wind turbines, photovoltaic units, energy storage devices, diesel / hydraulic generators, etc. Its characteristics are: by analyzing different load characteristics, natural resources, and power types, determine the structure of the microgrid system, establish the electrical and cost models of each subsystem of the microgrid, and comprehensively consider the investment in microgrid construction according to the energy management strategy of the microgrid operation Cost, equivalent cost of power generation, load...

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Abstract

The invention provides a lowest equivalent electrovalence-of-system-based microgrid system design scheme and a test platform. Each subsystem of a microgrid system at least comprises a wind generator set, a photovoltaic set, an energy storage device, a water turbine set, a diesel engine set or a gas engine set. The structure of the microgrid system is determined through analyzing different load characteristics, natural resources and power supply types of the subsystems of the microgrid system; electric cost models of the subsystems of a microgrid are established; change parameters such as the investment cost of microgrid construction, the equivalent cost of power generation and load power demand increases are comprehensively considered to carry out distributed generation power supply selection and capacity configuration; and the microgrid system is established employing the lowest equivalent electrovalence of the system as the target, so that the microgrid system design scheme meeting the economic requirements is rapidly obtained; and the microgrid system test platform is formed by adopting an MVC mode.

Description

technical field [0001] The invention belongs to the technical field of micro-grid systems for distributed power generation in power systems, and relates to a design scheme and a test platform for a micro-grid system based on the lowest system equivalent electricity price. Background technique [0002] With the continuous development of distributed generation technology, the gradual exhaustion of conventional energy sources and the increasing environmental pollution, countries all over the world are paying more and more attention to distributed generation technology (DistributedGeneration—DG). Distributed power generation generally refers to a small power generation system connected to the power distribution system that is modularized, distributed, and arranged near the user to provide power to the user. The distributed power generation system is in the form of a microgrid. It is the most effective way to exert the efficiency of the distributed power generation system to conn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/46G06F17/50G01R31/00
CPCY02E10/56Y02E10/76
Inventor 田军刘征宇舒军刘静波唐健
Owner 中国东方电气集团有限公司
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