New energy grid-connected dynamic characteristic simulation test system
A technology of dynamic characteristics and simulation testing, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as difficult, excessive harmonics, and off-network
Pending Publication Date: 2021-04-06
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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Problems solved by technology
[0002] Distributed power supply is a new type of power supply system completely different from the traditional power supply mode. In order to meet the needs of specific users or support the economic operation of the existing distribution network, it is arranged in a decentralized manner near the user, and the power generation is from several kilowatts to fifty megawatts. Watt small modular, environmentally compatible independent power supply; it is usually located near the user, including technologies for biomass power generation, gas turbines, solar power and photovoltaic cells, fuel cells, wind power generation, microcomputer gas turbines, internal combustion engines, and storage control; distribution The dynamic output performance of power electronic equipment such as power generation, energy storage, and charging piles, such as harmonics, negative sequence, and fluctuations, is difficult to verify through conventional type tests. Rectification is more difficult; therefore, it is necessary to study a dynamic characteristic simulation test system, which can conveniently test the dynamic performance of power electronic equipment, and prohibit the grid-connected operation of equipment that fails the test
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[0013] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.
[0014] figure 1 It is a structural schematic diagram of an embodiment of a new energy grid-connected dynamic characteristic simulation test system provided by this application. Combine below figure 1 The method provided by this application is described in detail.
[0015] Such as figure 1 As shown, the new energy grid-connected dynamic characteristic simulation test system provided by this application includes a programmable DC power supply group 1, a power electronic module 2, a real-time simulation system 3, a m...
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The invention discloses a new energy grid-connected dynamic characteristic simulation test system, which comprises: a programmable direct-current power supply group connected with a power supply controller, and is characterized in that the power supply controller is used for controlling the connection between each programmable direct-current power supply and a power electronic module; a power electronic module which is connected with the simulation controller and is used for operating according to a control instruction of the simulation controller; a real-time simulation system which is connected with the power electronic module, the simulation controller, the programmable direct-current power supply and the power supply controller and is used for acquiring data parameters of the simulation controller, the programmable direct-current power supply and the power supply controller and dynamic operation characteristics of the power electronic module; a main control system which is connected with the real-time simulation system, establishes communication with the real-time simulation system and is used for receiving test data acquired by the real-time simulation system; and a simulation controller which is used for sending a control instruction to the power electronic module. The requirement problem of dynamic performance testing of the power electronic equipment is solved.
Description
technical field [0001] The application relates to the technical field of simulation testing, in particular to a simulation testing system for dynamic characteristics of grid-connected new energy sources. Background technique [0002] Distributed power supply is a new type of power supply system completely different from the traditional power supply mode. In order to meet the needs of specific users or support the economic operation of the existing distribution network, it is arranged in a decentralized manner near the user, and the power generation is from several kilowatts to fifty megawatts. Watt small modular, environmentally compatible independent power supply; it is usually located near the user, including technologies for biomass power generation, gas turbines, solar power and photovoltaic cells, fuel cells, wind power generation, microcomputer gas turbines, internal combustion engines, and storage control; distribution The dynamic output performance of power electroni...
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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 刘召杰管必萍戴人杰孔祥雨李文鹤卫思明王法孙雯雯丁聪
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO