Performance detection system and detection method for distributed power supply access unit

Abstract

The invention discloses a performance detection system and detection method for a distributed power supply access unit, and the performance of the distributed power supply access unit can be detected through an upper computer system, a concentrator and a detected distributed power supply access unit, and through the upper computer system, the concentrator, the detected distributed power supply access unit and a simulation distributed power supply tool. Performance testing is carried out on the distributed power supply access unit in a general environment and an electromagnetic environment respectively, the blank in the field of distributed power supply access unit detection is filled, testing wiring work is reduced, meanwhile, testing operation steps are reduced, equipment is simplified, the safety reliability and the automation degree of testing work are improved, the testing richness is improved, and the testing efficiency is improved. The quality of the distributed power supply access unit is improved, and batch application of the distributed power supply access unit is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of distributed power supply monitoring and control technology, and more specifically, to a performance detection system and detection method for a distributed power supply access unit. Background Art

[0002] The global energy transition is also at a critical stage of evolving towards low-carbon and zero-carbon development. Renewable energy will gradually grow into the main energy source supporting economic and social development. Distributed photovoltaics, as an important component of renewable energy, plays an increasingly critical role in my country's energy transition. With the advancement of technology and the reduction of costs, the installed capacity of distributed photovoltaics continues to grow, especially in provinces with large electricity demand in the central and eastern regions. Distributed photovoltaics have become an important force in improving local electricity supply.

[0003] However, the rapid development of distributed photovoltaics has also brought a series of challenges, especially in the safe operation and maintenance of power systems. In order to strengthen the information monitoring and regulation of distributed photovoltaics, a distributed power access unit was designed and developed to achieve unified monitoring and control of distributed power sources. At present, there are deficiencies in the detection methods and systems for the performance verification of distributed power access units, which seriously affects the quality management and market promotion and application of equipment.

[0004] Therefore, a performance detection system for a distributed power access unit is needed. Summary of the invention

[0005] The present invention provides a performance detection system and a detection method for a distributed power access unit, so as to solve the problem of how to efficiently perform performance detection on the distributed power access unit.

[0006] In order to solve the above problem, according to one aspect of the present invention, a performance detection system for a distributed power supply access unit is provided, the system comprising:

[0007] The host computer system is connected to the concentrator and the distributed power access unit under test, respectively, and is used to send performance test commands to the concentrator; used to collect basic information of the distributed power access unit under test through the concentrator as a collection master station, and establish a connection with the distributed power access unit under test; used to simulate the distributed power supply during the general environment test; used to obtain the operating data of the simulated distributed power supply, and determine the performance of the distributed power access unit under test during the general environment test based on the operating data;

[0008] A concentrator connected to the distributed power access unit to be tested, used to forward the performance test command to the distributed power access unit to be tested, and used to collect basic information of the distributed power access unit to be tested and send it to the host computer system;

[0009] The distributed power source access unit under test is used to send test commands to the simulated distributed power source.

[0010] Preferably, the host computer system is directly connected to the RS485-1 port, RS485-2 port and RJ45-1 port of the distributed power supply access unit under test, and is used to simulate the distributed power supply during the general environment test and obtain the operating data of the simulated distributed power supply, so as to cooperate with the concentrator to complete the data acquisition function test of the distributed power supply access unit under test.

[0011] Preferably, the distributed power source simulated by the host computer system includes: a simulated inverter, a simulated energy storage and a simulated charging pile; the simulated inverter, the simulated energy storage and the simulated charging pile are respectively used as actual sampled devices.

[0012] Preferably, the host computer system communicates with the concentrator via a wireless public network; the concentrator communicates with the distributed power access unit under inspection in a dual-mode communication form.

[0013] Preferably, the concentrator is a State Grid standard version 22 concentrator.

[0014] According to another aspect of the present invention, a detection method based on the performance detection system of the distributed power supply access unit as described above is provided, the method comprising:

[0015] Use the host computer system to simulate distributed power supply during general environment testing;

[0016] Using the host computer system, the performance test command is sent to the concentrator, and as the main collection station, the basic information of the distributed power access unit under test is collected through the concentrator, and a connection is established with the distributed power access unit under test;

[0017] Using a concentrator, forwarding the performance test command to the distributed power access unit under test;

[0018] Using the distributed power access unit under test, a performance test command is sent to the simulated distributed power source in the host computer;

[0019] The upper computer system is used to obtain the operation data of the simulated distributed power source, and the performance of the distributed power source access unit under test during the general environment test is determined based on the operation data.

[0020] According to another aspect of the present invention, a performance detection system for a distributed power supply access unit is provided, the system comprising:

[0021] The host computer system is connected to the concentrator and the simulated distributed power supply tooling, respectively, and is used to send performance test commands to the concentrator; used as a collection master station to collect basic information of the distributed power supply access unit under test through the concentrator, and establish a connection with the distributed power supply access unit under test; used to obtain the operating data of the distributed power supply simulated by the distributed power supply tooling, and determine the performance of the distributed power supply access unit under test during the electromagnetic environment test based on the operating data;

[0022] A concentrator connected to the distributed power access unit to be tested, used to forward the performance test command to the distributed power access unit to be tested, and used to collect basic information of the distributed power access unit to be tested and send it to the host computer system;

[0023] The simulated distributed power supply tool is connected to the host computer system and is used to simulate the distributed power supply during the electromagnetic environment test;

[0024] The distributed power supply access unit under test is connected to the simulated distributed power supply tooling and is used to send the performance test command to the distributed power supply tooling.

[0025] Preferably, the host computer system is connected to the simulated distributed power supply tooling via a wireless public network.

[0026] Preferably, the host computer system is also used to: set parameters for the simulated distributed power supply tooling; wherein the simulated distributed power supply tooling includes: a human-computer interaction interface, a processor, a 4g module, simulated energy storage, a simulated charging pile and a simulated inverter, and the simulated inverter, simulated energy storage and simulated charging pile are respectively used as actual sampled equipment.

[0027] According to another aspect of the present invention, a detection method based on the performance detection system of the distributed power supply access unit as described above is provided, the method comprising:

[0028] Use the simulated distributed power supply tooling to simulate the distributed power supply during the electromagnetic environment test;

[0029] Using the host computer system, the performance test command is sent to the concentrator, and as the main collection station, the basic information of the distributed power access unit under test is collected through the concentrator, and a connection is established with the distributed power access unit under test;

[0030] Using a concentrator, forwarding the performance test command to the distributed power access unit under test;

[0031] Using the distributed power supply access unit under test, the performance test command is sent to the distributed power supply simulated by the distributed power supply tooling;

[0032] The host computer system is used to obtain the operation data of the simulated distributed power source, and the performance of the distributed power source access unit under test during the electromagnetic environment test is determined based on the operation data.

[0033] According to another invention of the present invention, there is provided a performance detection device for a distributed power access unit, the device comprising: the two performance detection systems for distributed power access units mentioned above.

[0034] The present invention provides a performance detection system and detection method for a distributed power access unit, comprising: a host computer system, used for sending a performance test command to a concentrator; used for collecting basic information of a distributed power access unit under test through the concentrator as a collection master station, and establishing a connection with the distributed power access unit under test; used for simulating a distributed power source during a general environment test; used for obtaining operating data of the simulated distributed power source, and determining the performance of the distributed power access unit under test during a general environment test based on the operating data; the concentrator, used for forwarding the performance test command to the distributed power access unit under test, used for collecting basic information of the distributed power access unit under test and sending it to the host computer system; the distributed power access unit under test, used for sending a test command to the simulated distributed power source. The present invention also provides a performance detection system and detection method for a distributed power access unit, including: a host computer system, used to send performance test commands to a concentrator; used to collect basic information of the distributed power access unit under test through the concentrator as a collection master station, and establish a connection with the distributed power access unit under test; used to obtain the operating data of the distributed power simulated by the distributed power tooling, and determine the performance of the distributed power access unit under test during the electromagnetic environment test based on the operating data; the concentrator, used to forward the performance test command to the distributed power access unit under test, and used to collect basic information of the distributed power access unit under test and send it to the host computer system; a simulated distributed power tooling, used to simulate the distributed power during the electromagnetic environment test; the distributed power access unit under test, used to send the performance test command to the distributed power tooling. The system of the present invention can perform performance tests on distributed power access units in a general environment and an electromagnetic environment respectively, filling the gap in the field of distributed power access unit detection, reducing test wiring work, while reducing test operation steps, streamlining equipment, improving the safety, reliability and automation of test work, improving test richness, and improving the quality of distributed power access units, which is conducive to the batch application of distributed power access units. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] A more complete understanding of exemplary embodiments of the present invention may be obtained by referring to the following drawings:

[0036] Figure 1It is a structural schematic diagram of a performance detection system 100 of a distributed power supply access unit according to an embodiment of the present invention;

[0037] Figure 2 A connection architecture diagram of a performance detection system of a distributed power supply access unit according to an embodiment of the present invention during a general environment test;

[0038] Figure 3 is a flow chart of a performance detection method 300 of a distributed power supply access unit according to an embodiment of the present invention;

[0039] Figure 4 It is a structural schematic diagram of a performance detection system 400 of a distributed power supply access unit according to an embodiment of the present invention;

[0040] Figure 5 A connection architecture diagram of a performance detection system of a distributed power supply access unit according to an embodiment of the present invention during an electromagnetic environment test;

[0041] Figure 6 Flow chart of a performance detection method 600 of a distributed power supply access unit according to an embodiment of the present invention. DETAILED DESCRIPTION

[0042] Now, exemplary embodiments of the present invention are described with reference to the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to disclose the present invention in detail and completely and to fully convey the scope of the present invention to those skilled in the art. The terms used in the exemplary embodiments shown in the accompanying drawings are not intended to limit the present invention. In the accompanying drawings, the same units / elements are marked with the same reference numerals.

[0043] Unless otherwise specified, the terms (including technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it is understood that the terms defined in commonly used dictionaries should be understood to have the same meanings as those in the context of the relevant fields, and should not be understood as idealized or overly formal meanings.

[0044] The present invention provides two performance detection systems for distributed power access units, which can perform performance tests on distributed power access units in a general environment and an electromagnetic environment respectively, filling the gap in the field of distributed power access unit detection, reducing test wiring work, and at the same time reducing test operation steps, streamlining equipment, improving the safety, reliability and automation of test work, improving test richness, and improving the quality of distributed power access units, which is conducive to the batch application of distributed power access units.

[0045] Figure 1FIG. 1 is a schematic diagram of a structure of a performance detection system 100 of a distributed power access unit according to an embodiment of the present invention. Figure 1 As shown, a performance detection system 100 of a distributed power access unit provided in an embodiment of the present invention includes: a host computer system 101, a concentrator 102 and a detected distributed power access unit 103.

[0046] Preferably, the host computer system 101 is respectively connected to the concentrator and the distributed power access unit under test, and is used to send performance test commands to the concentrator; is used to collect basic information of the distributed power access unit under test through the concentrator as a collection master station, and establish a connection with the distributed power access unit under test; is used to simulate the distributed power supply during the general environment test; is used to obtain the operating data of the simulated distributed power supply, and determine the performance of the distributed power access unit under test during the general environment test based on the operating data.

[0047] Preferably, the concentrator 102 is connected to the distributed power access unit under test, and is used to forward the performance test command to the distributed power access unit under test, and to collect basic information of the distributed power access unit under test and send it to the host computer system.

[0048] Preferably, the tested distributed power source access unit 103 is used to send a test command to the simulated distributed power source.

[0049] Preferably, the host computer system is directly connected to the RS485-1 port, RS485-2 port and RJ45-1 port of the distributed power supply access unit under test, and is used to simulate the distributed power supply during the general environment test and obtain the operating data of the simulated distributed power supply, so as to cooperate with the concentrator to complete the data acquisition function test of the distributed power supply access unit under test.

[0050] Preferably, the distributed power source simulated by the host computer system includes: a simulated inverter, a simulated energy storage and a simulated charging pile; the simulated inverter, the simulated energy storage and the simulated charging pile are respectively used as actual sampled devices.

[0051] Preferably, the host computer system communicates with the concentrator via a wireless public network; the concentrator communicates with the distributed power access unit under inspection in a dual-mode communication form.

[0052] Preferably, the concentrator is a State Grid standard version 22 concentrator.

[0053] Combination Figure 2As shown, in the present invention, the connection architecture during testing under a general environment includes three parts: a host computer system, a concentrator, and a device under test (i.e., a distributed power access unit under test). During the general environment test, the host computer system simultaneously assumes the functions of the acquisition master station and the simulation of the distributed power supply, and cooperates with the concentrator to complete the performance test of the distributed power access unit. For a general environment, by directly connecting the RS485-1 port, RS485-2 port, and RJ45-1 port of the distributed power access unit to the host computer system, the distributed power supply is simulated by the host computer, and the data acquisition function test of the distributed power access unit is completed in cooperation with the concentrator. The host computer software communicates with the concentrator in the form of a wireless public network, the concentrator communicates with the distributed power access unit in a dual-mode manner, and the device under test communicates with the host computer software through RS-485.

[0054] Specifically, for the host computer system used in general environments, it has both data acquisition and distributed power supply simulation functions. It can select test items according to test requirements, set test parameters, display test progress and test results, automatically test the data interaction function of the device under test in the performance environment, and judge the results returned by the device under test.

[0055] Specifically, for the concentrator used in the test, the State Grid standard version 22 concentrator is selected. The host computer completes data interaction with the concentrator through 4G, and collects data from the device under test through the concentrator. Dual-mode communication is used between the concentrator and the device under test.

[0056] Specifically, the simulated distributed power supply included in the host computer system includes a simulated inverter, simulated energy storage and a simulated charging pile; the simulated inverter, simulated energy storage and simulated charging pile are respectively used as the actual equipment to be tested, and communicate with the equipment to be tested through the automatic test system and the test bench to complete the inverter, energy storage, charging pile output control and data collection.

[0057] In the present invention, a method for performing performance detection based on the performance detection system of the distributed power access unit as described above is as follows: Figure 3 The detection methods include:

[0058] Step 301, using the host computer system to simulate the distributed power supply during the general environment test;

[0059] Step 302: using the host computer system, sending a performance test command to the concentrator, and acting as a collection master station to collect basic information of the distributed power access unit under test through the concentrator, and establishing a connection with the distributed power access unit under test;

[0060] Step 303, using a concentrator, forwarding the performance test command to the distributed power access unit under test;

[0061] Step 304, using the distributed power access unit under test, sending a performance test command to the distributed power simulated in the host computer;

[0062] Step 305: using the host computer system, obtaining the operation data of the simulated distributed power source, and determining the performance of the distributed power source access unit under test during the general environment test based on the operation data.

[0063] The performance detection method 300 of the distributed power access unit of the embodiment of the present invention corresponds to the performance detection system 100 of the distributed power access unit of another embodiment of the present invention, which will not be described in detail here.

[0064] Figure 4 FIG. 4 is a schematic diagram of a structure of a performance detection system 400 of a distributed power supply access unit according to an embodiment of the present invention. Figure 4 As shown, a performance detection system 400 of a distributed power access unit provided in an embodiment of the present invention includes: a host computer system 401, a concentrator 402, a simulated distributed power tool 403 and a distributed power access unit 404 to be detected.

[0065] Preferably, the host computer system 401 is respectively connected to the concentrator and the simulated distributed power supply tooling, and is used to send performance test commands to the concentrator; is used to collect basic information of the distributed power supply access unit under test through the concentrator as a collection master station, and establish a connection with the distributed power supply access unit under test; is used to obtain the operating data of the distributed power supply simulated by the distributed power supply tooling, and determine the performance of the distributed power supply access unit under test during the electromagnetic environment test based on the operating data.

[0066] Preferably, the concentrator 402 is connected to the distributed power access unit under test, and is used to forward the performance test command to the distributed power access unit under test, and to collect basic information of the distributed power access unit under test and send it to the host computer system.

[0067] Preferably, the simulated distributed power supply tool 403 is connected to a host computer system and is used to simulate a distributed power supply during an electromagnetic environment test.

[0068] Preferably, the distributed power supply access unit 404 to be tested is connected to a simulated distributed power supply tooling, and is used to send the performance test command to the distributed power supply tooling.

[0069] Preferably, the host computer system is connected to the simulated distributed power supply tooling via a wireless public network.

[0070] Preferably, the host computer system is also used to: set parameters for the simulated distributed power supply tooling; wherein the simulated distributed power supply tooling includes: a human-computer interaction interface, a processor, a 4g module, simulated energy storage, a simulated charging pile and a simulated inverter, and the simulated inverter, simulated energy storage and simulated charging pile are respectively used as actual sampled equipment.

[0071] Combination Figure 5 As shown, in the present invention, the connection architecture for testing under electromagnetic environment includes four parts: host computer system, concentrator, device under test and simulated distributed power supply tooling. During electromagnetic environment testing, simulated distributed power supply tooling is additionally used as the device to be sampled. The simulated distributed power supply device includes various virtual units, and its processor can quickly realize functions such as simulated distributed power supply data simulation and flexible regulation, and cooperate with the host computer system and concentrator to complete performance testing.

[0072] For the electromagnetic environment, the present invention additionally uses a simulated distributed power supply tooling as the equipment to be sampled. The test environment is implemented based on the host computer system, concentrator, equipment to be tested, and simulated distributed power supply tooling. The test software connects the concentrator through a wireless public network to verify the functions of the tested equipment, and on the other hand, simulates the distributed power supply operation data by controlling the wireless public network; the simulated distributed power supply device includes various virtual units, and its processor can quickly realize the functions of simulated distributed power supply data and regulation; the four parts cooperate to complete the relevant electromagnetic performance test of the distributed power supply access unit.

[0073] Specifically, for the host computer system used in the electromagnetic environment, you can select test items, set test parameters, control test progress, display test progress, and test results. On the one hand, data is collected through the wireless public network and the concentrator, and the results returned by the concentrator are judged; on the other hand, parameters are set through the wireless public network and the simulated distributed power supply tooling, including typical data, soft control data, mode switching, etc.

[0074] Specifically, for the concentrator used in the test environment, on the one hand, it interacts with the host computer system through the wireless public network to receive data acquisition instructions, and at the same time issues data acquisition instructions to the device under test through a dual-mode method; at the same time, it connects to the 485-2 port of the RJ45 port of the device under test through the downlink 485, and simulates the data collector by receiving the 698 message of the host computer system and transparently transmitting the modbus data, thereby completing the data forwarding function test of the device under test.

[0075] Specifically, for the simulated distributed power tooling used in the test environment, including the inverter, energy storage, and charging pile communication protocol library, new protocols can be added, and the actual collected equipment can communicate with the tested equipment, and the inverter, energy storage, and charging pile output control, data collection, and other operations can be completed. When the host computer system collects photovoltaic data from the tested equipment, the tested equipment issues a collection instruction to the simulated distributed power tooling to collect data, and the simulated distributed power tooling verifies the collection instruction and returns the corresponding data; when the host computer system controls the tested equipment to control the inverter, energy storage, circuit breaker, and charging pile, the tested equipment issues a control instruction to the simulated distributed power tooling, and the simulated distributed power tooling feeds back the control results, and feeds back the inverter output data to the tested equipment.

[0076] In the present invention, a method for performing performance detection based on the performance detection system of the distributed power access unit as described above is as follows: Figure 6 The detection methods include:

[0077] Step 601, using a simulated distributed power supply tool to simulate a distributed power supply during an electromagnetic environment test.

[0078] Step 602: Use the host computer system to send a performance test command to the concentrator, and as a collection master station, collect basic information of the distributed power access unit under test through the concentrator, and establish a connection with the distributed power access unit under test.

[0079] Step 603: using a concentrator, forward the performance test command to the distributed power access unit under test.

[0080] Step 604: using the distributed power supply access unit under test, the performance test command is sent to the distributed power supply simulated by the distributed power supply tooling.

[0081] Step 605: using the host computer system, obtaining the operation data of the simulated distributed power source, and determining the performance of the distributed power source access unit under test during the electromagnetic environment test based on the operation data.

[0082] The performance detection method 600 of the distributed power access unit of the embodiment of the present invention corresponds to the performance detection system 400 of the distributed power access unit of another embodiment of the present invention, which will not be described in detail herein.

[0083] The present invention also provides a detection device including the performance detection system 100 of the distributed power access unit and the performance detection system 400 of the distributed power access unit as described above, which can simultaneously perform general environment testing and electromagnetic environment testing.

[0084] In the prior art, there is a lack of systematic performance testing systems and methods. The test system designed by the present invention according to the equipment standard requirements adopts a simulated distributed power supply method to replace the actual inverter, charging pile, energy storage and other equipment, and simulates the inverter, charging pile, energy storage and other equipment to provide communication, monitoring and control environment for the equipment to be tested. Under this test system, the acquisition, monitoring and control tests of inverters, charging piles, energy storage and other equipment can be stably carried out in a short time without manually changing the wiring and equipment, reducing the workload while improving the richness of the test. The present invention can design each test item as an independent test module, and the test item results are refined to every requirement, which can intuitively display whether the whole, each item and each point are qualified. The existing system has no test methods and conclusions for the control effects of inverters, energy storage, charging piles, etc., and the present invention communicates directly with the simulated distributed power supply tooling through the host computer system, and can intuitively obtain flexible control data and typical data such as voltage, current, and active power, and directly compare with the data read by the equipment to be tested, which can intuitively reflect whether the control function of the equipment to be tested has achieved the expected effect.

[0085] The invention has been described above with reference to a few embodiments. However, it is readily apparent to a person skilled in the art that other embodiments than the ones disclosed above are equally within the scope of the invention, as defined by the appended patent claims.

[0086] Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise therein. All references to "a / said / the [means, components, etc.]" are to be openly interpreted as at least one instance of said means, components, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not necessarily have to be performed in the exact order disclosed, unless explicitly stated otherwise.

[0087] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0088] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0089] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0090] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0091] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A performance detection system for a distributed power access unit, characterized in that: The system comprises: The host computer system is connected to the concentrator and the distributed power access unit under test, respectively, and is used to send performance test commands to the concentrator; used to collect basic information of the distributed power access unit under test through the concentrator as a collection master station, and establish a connection with the distributed power access unit under test; used to simulate the distributed power supply during the general environment test; used to obtain the operating data of the simulated distributed power supply, and determine the performance of the distributed power access unit under test during the general environment test based on the operating data; A concentrator connected to the distributed power access unit to be tested, used to forward the performance test command to the distributed power access unit to be tested, and used to collect basic information of the distributed power access unit to be tested and send it to the host computer system; The distributed power source access unit under test is used to send test commands to the simulated distributed power source.

2. The system according to claim 1, characterized in that The host computer system is directly connected to the RS485-1 port, RS485-2 port and RJ45-1 port of the distributed power access unit under test, and is used to simulate the distributed power supply during the general environment test and obtain the operating data of the simulated distributed power supply to cooperate with the concentrator to complete the data acquisition function test of the distributed power access unit under test.

3. The system according to claim 2, characterized in that The distributed power source simulated by the host computer system includes: a simulated inverter, a simulated energy storage and a simulated charging pile; the simulated inverter, the simulated energy storage and the simulated charging pile are respectively used as actual sampled equipment.

4. The system according to claim 1, characterized in that The host computer system communicates with the concentrator via a wireless public network; the concentrator communicates with the distributed power access unit under inspection in a dual-mode communication form.

5. A detection method for a performance detection system of a distributed power access unit based on any one of claims 1 to 4, characterized in that: The method comprises: Use the host computer system to simulate distributed power supply during general environment testing; Using the host computer system, the performance test command is sent to the concentrator, and as the main collection station, the basic information of the distributed power access unit under test is collected through the concentrator, and a connection is established with the distributed power access unit under test; Using a concentrator, forwarding the performance test command to the distributed power access unit under test; Using the distributed power access unit under test, a performance test command is sent to the simulated distributed power source in the host computer; The host computer system is used to obtain the operation data of the simulated distributed power source, and the performance of the distributed power source access unit under test during the general environment test is determined based on the operation data.

6. A performance detection system for a distributed power access unit, characterized in that: The system comprises: The host computer system is connected to the concentrator and the simulated distributed power supply tooling, respectively, and is used to send performance test commands to the concentrator; used as a collection master station to collect basic information of the distributed power supply access unit under test through the concentrator, and establish a connection with the distributed power supply access unit under test; used to obtain the operating data of the distributed power supply simulated by the distributed power supply tooling, and determine the performance of the distributed power supply access unit under test during the electromagnetic environment test based on the operating data; A concentrator connected to the distributed power access unit to be tested, used to forward the performance test command to the distributed power access unit to be tested, and used to collect basic information of the distributed power access unit to be tested and send it to the host computer system; The simulated distributed power supply tool is connected to the host computer system and is used to simulate the distributed power supply during the electromagnetic environment test; The distributed power supply access unit under test is connected to the simulated distributed power supply tooling and is used to send the performance test command to the distributed power supply tooling.

7. The system according to claim 6, characterized in that The host computer system is connected to the simulated distributed power supply tooling through a wireless public network.

8. The system according to claim 6, characterized in that The host computer system is also used to set parameters for the simulated distributed power source tooling; wherein the simulated distributed power source tooling includes: a human-computer interaction interface, a processor, a 4g module, simulated energy storage, a simulated charging pile and a simulated inverter, and the simulated inverter, simulated energy storage and simulated charging pile are respectively used as actual sampled equipment.

9. A detection method for a performance detection system of a distributed power access unit based on any one of claims 6 to 8, characterized in that: The method comprises: Use the simulated distributed power supply tooling to simulate the distributed power supply during the electromagnetic environment test; Using the host computer system, the performance test command is sent to the concentrator, and as the main collection station, the basic information of the distributed power access unit under test is collected through the concentrator, and a connection is established with the distributed power access unit under test; Using a concentrator, forwarding the performance test command to the distributed power access unit under test; Using the distributed power supply access unit under test, the performance test command is sent to the distributed power supply simulated by the distributed power supply tooling; The host computer system is used to obtain the operation data of the simulated distributed power source, and the performance of the distributed power source access unit under test during the electromagnetic environment test is determined based on the operation data.

10. A performance detection device for a distributed power supply access unit, characterized in that: The device comprises: a performance detection system for a distributed power access unit according to any one of claims 1 to 4 and a performance detection system for a distributed power access unit according to any one of claims 6 to 9.

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