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Power grid fault simulation test system movement detection device for high-altitude photovoltaic power station

A technology for faults in photovoltaic power stations and power grids, applied in the field of mobile detection, can solve problems such as lack of research, and achieve the effects of strengthening anti-insulation ability, reliable protection function, and optimizing wiring structure

Active Publication Date: 2014-10-29
STATE GRID CORP OF CHINA +3
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, in the domestic grid fault simulation test for large-scale grid-connected photovoltaic power plants in high-altitude areas, the development of testing equipment designed and manufactured based on the principle of impedance voltage division is still in the introductory stage. Before this set of equipment, there is no related field. Research

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  • Power grid fault simulation test system movement detection device for high-altitude photovoltaic power station
  • Power grid fault simulation test system movement detection device for high-altitude photovoltaic power station
  • Power grid fault simulation test system movement detection device for high-altitude photovoltaic power station

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Embodiment Construction

[0023] In order to better understand the present invention, the content of the present invention is further illustrated below in conjunction with the examples, but the content of the present invention is not limited to the following examples. Those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms are also within the scope of the claims listed in this application.

[0024] The mobile detection equipment of grid-connected inverter power grid fault simulation system in high-altitude areas of the present invention is applied to the mobile detection of large and medium-sized photovoltaic power plants at high altitudes below 4000 meters, meets the requirements for on-site detection of large-capacity photovoltaic power plants, and can simulate the steady state of the power grid The voltage disturbance is used to detect the ability of photovoltaic power plants to adapt to grid faults.

[0025] Principle topology of mobil...

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Abstract

The invention relates to a power grid fault simulation test system movement detection device for a high-altitude photovoltaic power station. The movement detection device is of a vehicle-mounted container structure, is concentrated in three containers by adopting highly integrated design, the three containers are respectively a switch cabinet, a 35 kV electric reactor vehicle and a 10 kV electric reactor vehicle, each container is of a standard size, the transportation limitation requirements are met, and in addition, a centralized control vehicle carries a control system for totally controlling the whole device. The device can perform low voltage ride-through detection capability detection on the photovoltaic power station, can assist users in performing a wind power low voltage ride-through test, can finish switching of a wind power control system and a photovoltaic control system which are different, and is wide in coverage and high in adaptability.

Description

technical field [0001] The invention relates to the mobile detection of the power grid fault simulation system of a photovoltaic power station, in particular to a mobile detection device for a grid fault simulation test system of a high-altitude photovoltaic power station. Background technique [0002] In recent years, my country has vigorously supported the development of new energy technologies. With the rapid increase in the proportion of solar photovoltaic power generation installed capacity, the power system, like wind turbines, puts forward the requirements for the operation capacity of large and medium-sized photovoltaic power stations connected to the power grid when the power grid has a transient fault. The State Grid Corporation of China's "Technical Regulations on Connecting Photovoltaic Power Stations to the Grid" clearly requires large and medium-sized photovoltaic power stations to have low-voltage ride-through capabilities. [0003] With the continuous progress...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S50/00
CPCY02E10/50
Inventor 杨军杨小库张海宁李春来孟可风宋锐杨立滨孔祥鹏丛贵斌李正曦王轩赵世昌杨嘉马勇飞梁英刘可张杰
Owner STATE GRID CORP OF CHINA
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