Solar cell simulator used for photovoltaic grid-connected inverter detection
A technology of solar cells and inverters, applied in the direction of measuring electricity, instruments, measuring devices, etc., can solve the problem of not being able to effectively meet the requirements of photovoltaic inverter testing equipment, increasing the operating cost of photovoltaic inverter testing, and failing to operate photovoltaic power generation systems Specific simulation and other issues, achieve good stability and continuity, improve simulation performance, and strong anti-interference ability
A technology of solar cells and inverters, applied in the direction of measuring electricity, instruments, measuring devices, etc., can solve the problem of not being able to effectively meet the requirements of photovoltaic inverter testing equipment, increasing the operating cost of photovoltaic inverter testing, and failing to operate photovoltaic power generation systems Specific simulation and other issues, achieve good stability and continuity, improve simulation performance, and strong anti-interference ability
CN105301404AInactive Publication Date: 2016-02-03STATE GRID CORP OF CHINA +1
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[0012] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0013] Such as figure 1 , 2 A kind of solar cell simulator for photovoltaic grid-connected inverter detection described in and 3, comprises cabinet 1, DC analog power supply, DC-DC conversion circuit, filter circuit, microprocessor circuit and output circuit, wherein DC The analog power supply, DC-DC conversion circuit, filter circuit, microprocessor circuit and output circuit are all located inside the cabinet 1, and the microprocessor circuit is electrically connected to the DC analog power supply, DC-DC conversion circuit and output circuit respectively, and the DC analog power supply In addition, the DC-DC conversion circuit is electrically connected to the input end of the output circuit, and the output end of the output circuit is electrica...
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The invention relates to a middle-set-type intelligent high-voltage switch cabinet based on a field bus remote control technology. The middle-set-type intelligent high-voltage switch cabinet comprises a cabinet body, a cabinet door, a door opening sensor, a temperature sensor, a humidity sensor, a current sensor, a voltage sensor, an electric leakage protection sensor, a loudspeaker, a microphone, a video data collector and a field bus remote control device. The middle-set-type intelligent high-voltage switch cabinet has the advantages of high structural strength, good heat dissipation performance and good isolation performance among circuit members, and the operation stability of the circuit members in the switch cabinet is greatly improved; in addition, the operation condition data of circuit members in a power distribution cabinet can be collected at a long distance, instant information exchange and communication with onsite personnel of the switch cabinet can be carried out at a long distance, and all operations of the onsite personnel can be supervised and known, so that the scientificity and the accuracy of switch cabinet operation information collection and control are improved, and the operation stability and the management level of the switch cabinet are improved.
Description
technical field [0001] The invention relates to a solar cell simulator used for detection of photovoltaic grid-connected inverters, belonging to the technical field of photovoltaic power generation detection equipment. Background technique [0002] In the photovoltaic grid-connected power generation, the photovoltaic inverter is an important equipment to realize the grid-connected operation of photovoltaic power generation and AC power. Therefore, before the photovoltaic inverter leaves the factory, it is necessary to carry out detection of many items such as low frequency, overfrequency, overvoltage, and undervoltage. In addition to providing specific voltage, current and other electric energy output to meet the requirements of each test content, the testing equipment needs to be able to effectively control the power generation of photovoltaic power generation equipment according to the power generation characteristics of photovoltaic power generation equipment. Simulate va...
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Patent Timeline
03 Feb 2016
Publication
CN105301404A
- IPC
- G01R31/00
- Inventors
- 薛艳波; 范建国