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Micro-grid analogue simulation system based on real-time digital simulation platform

A real-time digital simulation and simulation system technology, applied in the field of power system, can solve the problems of uneconomical, difficult to guarantee the accuracy of model simulation, large space occupation, etc., and achieve the effect of rapid verification and adjustment, and guaranteed test effect

Inactive Publication Date: 2014-07-30
SHANGHAI ELECTRICGROUP CORP
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Problems solved by technology

The micro-grid system involves many devices and is large in size. If the dynamic model test is carried out according to the above experimental method, it will not only occupy a large space, but also be expensive and uneconomical; if pure software simulation is used, the simulation accuracy of the model cannot be guaranteed

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing.

[0019] The microgrid system is a small power grid composed of multiple distributed power sources and electrical devices according to a certain topology structure. It can be connected to an external large power grid to form a networked operation mode in which energy flows mutually, or it can be independent of the external power grid. , an isolated grid operation mode that meets its own load requirements.

[0020] see figure 1 with figure 2 , the micro-grid simulation simulation system based on the real-time digital simulation platform of the present invention includes a real-time digital simulator 1 and a micro-grid device 2, wherein:

[0021] The real-time digital simulator 1 includes a hardware interface and a software system; the hardware interface includes an input interface card and an output interface card; a microgrid system model is built in the software system, i...

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Abstract

The invention discloses a micro-grid analogue simulation system based on a real-time digital simulation platform. The micro-grid analogue simulation system comprises a real-time digital simulator and a micro-grid device. The real-time digital simulator comprises a hardware interface and a software system. The hardware interface comprises an input interface card and an output interface card. A micro-grid system model is set up in the software system and comprises a micro-grid power distribution network model and a distributed type power micro-grid device primary system model. The micro-grid device comprises a micro-grid central control unit, a photovoltaic power generation controller, an energy storage device controller and a protection device controller, wherein the photovoltaic power generation controller, the energy storage device controller and the protection device controller are connected with the micro-grid central control unit respectively. The micro-grid analogue simulation system can simulate the practical running condition of a power grid, the strategy of controlling and protecting the whole micro-grid device can be conveniently and rapidly verified and adjusted, the micro-grid analogue simulation system is economical and practical, and the test result is ensured.

Description

technical field [0001] The invention relates to the field of power systems, in particular to a microgrid simulation system. Background technique [0002] In the R&D and functional testing stages of the micro-grid system device, it is necessary to simulate the on-site conditions for closed-loop tests to adjust and verify the control strategy and dynamic performance of the device. The common method of closed-loop test is to reduce the primary system equipment of the microgrid system according to a certain capacity ratio, build a small-capacity dynamic simulation experiment system according to the actual topology, and connect the interface equipment with the actual control equipment to form a closed-loop system. Complete various dynamic tests. The microgrid system involves many devices and is large in size. If the dynamic model test is carried out according to the above experimental method, it will not only occupy a large space, but also be expensive and uneconomical. Using pu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38
CPCY02E10/56
Inventor 何能缪勇马晶晶
Owner SHANGHAI ELECTRICGROUP CORP
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