CN215005646U - New energy grid-connected dynamic characteristic simulation test system - Google Patents
New energy grid-connected dynamic characteristic simulation test system Download PDFInfo
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- CN215005646U CN215005646U CN202023286258.2U CN202023286258U CN215005646U CN 215005646 U CN215005646 U CN 215005646U CN 202023286258 U CN202023286258 U CN 202023286258U CN 215005646 U CN215005646 U CN 215005646U
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Abstract
The utility model discloses a new forms of energy dynamic characteristic simulation test system that is incorporated into power networks, include: the programmable direct current power supply is connected with a power supply controller, and the power supply controller is used for controlling the connection between each programmable direct current power supply and the power electronic module; the power electronic module is connected with the simulation controller and is used for operating according to a control instruction of the simulation controller; the real-time simulation system is respectively 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 operating characteristics of the power electronic module; the main control system 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 the simulation controller is used for sending a control instruction to the power electronic module. The problem of the requirement for carrying out dynamic performance test on the power electronic equipment is solved.
Description
Technical Field
The application relates to the technical field of simulation tests, in particular to a new energy grid-connected dynamic characteristic simulation test system.
Background
The distributed power supply is a novel power supply system completely different from the traditional power supply mode, and is a small modular environment-compatible independent power supply which is distributed nearby users in a distributed mode and has the power generation power of thousands of watts to fifty megawatts in order to meet the needs of specific users or support the economic operation of the existing power distribution network; it is usually located near the user, including bio-energy power generation, gas turbines, solar power generation and photovoltaic cells, fuel cells, wind power generation, micro-computer gas turbines, internal combustion engines, and storage control technologies; dynamic output performances such as harmonic waves, negative sequences, fluctuation and the like of power electronic equipment such as distributed power generation, energy storage, charging piles and the like are difficult to verify through conventional type tests, phenomena such as over-standard harmonic waves and off-grid harmonic waves occur frequently after grid connection, and the difficulty is large when rectification and modification are carried out; therefore, it is necessary to research a dynamic characteristic simulation test system, which can conveniently perform a dynamic performance test on power electronic equipment and prohibit the equipment that fails the test from being operated in a grid-connected manner.
Disclosure of Invention
In order to solve the above problem, the present application provides a new energy grid-connected dynamic characteristic simulation test system, including:
the programmable direct current power supply group comprises a plurality of programmable direct current power supplies, the programmable direct current power supplies are connected with a power supply controller, the power supply controller is connected with the power electronic module, the programmable direct current power supplies are used for outputting direct current power supplies with different voltages, and the power supply controller is used for controlling the connection between each programmable direct current power supply and the power electronic module;
the power electronic module is connected with the simulation controller and operates according to a control instruction of the simulation controller;
the real-time simulation system is respectively 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 operating characteristics of the power electronic module;
the real-time simulation system comprises a main control system, a real-time simulation system and a real-time simulation system, wherein the main control system is connected with the real-time simulation system, and is used for establishing communication with the real-time simulation system and receiving test data acquired by the real-time simulation system;
and the simulation controller is used for sending a control instruction to the power electronic module.
Preferably, the real-time simulation system comprises a simulation machine and a signal converter which are connected with each other, the simulation machine is communicated with the main control system, and the signal converter is respectively connected with the power electronic module, the simulation controller and the programmable direct-current power supply set.
Preferably, the master control system comprises a computer and a display, and the computer is communicated with the simulation machine.
Preferably, the main control system and the real-time simulation system establish communication based on ethernet.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a new energy grid-connected dynamic characteristic simulation test system provided by the present application.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import by those skilled in the art without departing from the spirit of this application and is therefore not limited to the specific implementations disclosed below.
Fig. 1 is a schematic structural diagram of an embodiment of a new energy grid-connected dynamic characteristic simulation test system provided by the present application. The method provided by the present application is described in detail below with reference to fig. 1.
As shown in fig. 1, the new energy grid-connected dynamic characteristic simulation test system provided by the present application includes a programmable dc power supply set 1, a power electronic module 2, a real-time simulation system 3, a master control system 4 and a simulation controller 5;
the programmable direct current power supply set 1 comprises a plurality of programmable direct current power supplies 11, the programmable direct current power supplies 11 are connected with a power supply controller 12, the power supply controller 12 is connected with the power electronic module 2, the programmable direct current power supplies 11 are used for outputting direct current power supplies with different voltages, and the power supply controller 12 is used for controlling the connection between each programmable direct current power supply 11 and the power electronic module 2;
the power electronic module 2 is connected with the simulation controller 5, and the power electronic module 2 operates according to a control instruction of the simulation controller 5;
the real-time simulation system 3 is respectively connected with the power electronic module 2, the simulation controller 5, the programmable direct-current power supply 11 and the power supply controller 12, and the real-time simulation system 3 is used for acquiring data parameters of the simulation controller 5, the programmable direct-current power supply 11 and the power supply controller 12 and dynamic operation characteristics of the power electronic module 2;
the main control system 4 is connected with the real-time simulation system 3, the main control system 4 establishes communication with the real-time simulation system 3, and the main control system 4 is used for receiving the test data acquired by the real-time simulation system 3.
And the simulation controller 5 is used for sending a control instruction to the power electronic module 2.
The real-time simulation system 3 comprises a simulation machine and a signal converter which are connected with each other, the simulation machine is communicated with the main control system 4, and the signal converter is respectively connected with the power electronic module 2, the simulation controller 5 and the programmable direct current power supply pack 1.
And the main control system 4 comprises a computer and a display, and the computer is communicated with the simulation machine.
The master control system 4 establishes communication with the real-time simulation system 3 based on ethernet.
In this embodiment, when the new energy grid-connected dynamic characteristic simulation test system is used, the method includes the following steps:
s1, voltage regulation is carried out by utilizing the programmable DC power supply 11, and the corresponding programmable DC power supply 11 is accessed through the power controller 12;
s2, sending a control command to the power electronic module 2 by the simulation controller 5;
s3, the power electronic module 2 executes corresponding power equipment operation according to the control instruction of the simulation controller 5;
s4, the real-time simulation system 3 collects data parameters of the simulation controller 5, the programmable direct-current power supply 11 and the power supply controller 12, and the real-time simulation system 3 collects dynamic operation characteristic data of the power electronic module 2;
and S5, the main control system 4 receives and stores the data collected by the real-time simulation system 3.
The real-time simulation system 3 comprises a simulation machine 31 and a signal converter 32 which are connected with each other, the simulation machine 31 is communicated with the main control system 4, and the signal converter 32 is connected with the power electronic module 2, the simulation controller 5 and the programmable DC power supply pack 1. Due to the design, the signal converter 32 converts the signal, so that the real-time simulation system 3 has better use effect.
The main control system 4 includes a computer 41 and a display 42, and the computer 41 establishes communication with the simulation machine 31. This design makes the master control system 4 relatively simple.
The main control system 4 and the real-time simulation system 3 establish communication based on the ethernet. Due to the design, the transmission effect of the main control system 4 and the real-time simulation system 3 is better.
This application can simulate the background voltage harmonic of electric wire netting, voltage fluctuation and working conditions such as flicker, unbalanced three phase, test power electronic equipment's dynamic response performance, the utility model is simple in operation to can carry out dynamic performance test to power electronic equipment conveniently, forbid the equipment operation of being incorporated into the power networks that does not pass the test.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a new forms of energy dynamic characteristic simulation test system that is incorporated into power networks which characterized in that includes:
the programmable direct current power supply group comprises a plurality of programmable direct current power supplies, the programmable direct current power supplies are connected with a power supply controller, the power supply controller is connected with the power electronic module, the programmable direct current power supplies are used for outputting direct current power supplies with different voltages, and the power supply controller is used for controlling the connection between each programmable direct current power supply and the power electronic module;
the power electronic module is connected with the simulation controller and operates according to a control instruction of the simulation controller;
the real-time simulation system is respectively 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 operating characteristics of the power electronic module;
the real-time simulation system comprises a main control system, a real-time simulation system and a real-time simulation system, wherein the main control system is connected with the real-time simulation system, and is used for establishing communication with the real-time simulation system and receiving test data acquired by the real-time simulation system;
and the simulation controller is used for sending a control instruction to the power electronic module.
2. The system of claim 1, wherein the real-time simulation system comprises a simulation machine and a signal converter which are connected with each other, the simulation machine is communicated with the main control system, and the signal converter is respectively connected with the power electronic module, the simulation controller and the programmable direct current power supply set.
3. The system of claim 1, wherein the host system comprises a computer and a display, the computer establishing communication with a simulation machine.
4. The system of claim 1, wherein the host system and the real-time emulation system establish communication over ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023286258.2U CN215005646U (en) | 2020-12-30 | 2020-12-30 | New energy grid-connected dynamic characteristic simulation test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023286258.2U CN215005646U (en) | 2020-12-30 | 2020-12-30 | New energy grid-connected dynamic characteristic simulation test system |
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| CN215005646U true CN215005646U (en) | 2021-12-03 |
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| CN202023286258.2U Active CN215005646U (en) | 2020-12-30 | 2020-12-30 | New energy grid-connected dynamic characteristic simulation test system |
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