10kV medium-voltage direct-hanging type photovoltaic power station system

A photovoltaic power station, direct-mounted technology, applied in the direction of photovoltaic power generation, electrical components, circuit devices, etc., can solve the problems of low conversion efficiency of new energy and energy storage, high maintenance cost, low power density, etc., to reduce the capital recovery time , improve the rate of return on investment, reduce the effect of the overall volume

Inactive Publication Date: 2020-08-28
QINGDAO TOPSCOMM COMM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there are disadvantages such as large standby and no-load losses, low conversion efficiency of new energy and energy storage, large amount of non-ferrous metals, environmental pollution, low power density, non-isolation of high and low voltage faults, complex construction, poor power quality, and high maintenance costs.

Method used

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  • 10kV medium-voltage direct-hanging type photovoltaic power station system
  • 10kV medium-voltage direct-hanging type photovoltaic power station system
  • 10kV medium-voltage direct-hanging type photovoltaic power station system

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Embodiment Construction

[0016] Hereinafter, specific embodiments of the present invention will be further described in conjunction with the accompanying drawings.

[0017] The invention provides a 10kV medium-voltage direct-mounted photovoltaic power station system, which can be used in the design field of 10kV medium-voltage direct-mounted photovoltaic power station, and has the advantages of low harmonic content, isolation of high and low voltage faults, easy maintenance, and two-way transmission of energy.

[0018] The topological structure diagram of the 10kV medium-voltage direct-mounted photovoltaic power station applied in the present invention is as follows figure 1 As shown, its appearance structure diagram is as follows figure 2 As shown, the scheme design diagram is shown in image 3 as shown, image 3 The scheme described in is as follows:

[0019] A 10kV medium-voltage direct-mounted photovoltaic power station system includes a 10kV photovoltaic power station pre-stage and an MPPT co...

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Abstract

The invention discloses a 10kV medium-voltage direct-hanging type photovoltaic power station system, which comprises a 10kV photovoltaic power station preceding stage and an MPPT controller, wherein the input end of the 10kV photovoltaic power station preceding stage is directly connected with a 10kV power grid, the MPPT controller is connected with the output end of the 10kV photovoltaic power station preceding stage and a photovoltaic cell panel, and the MPPT controller is accessed to a large power grid by adopting BOOST first-stage boosting and two-stage conversion after photovoltaic powergeneration. The10kV medium-voltage direct-hanging type photovoltaic power station system has the advantages of low harmonic content, high and low voltage fault isolation, easy maintenance, bidirectional energy transmission and the like. According to the invention, an intelligent micro-grid can be established and is adjustable and controllable, energy routing and orderly charging are realized, andthe impact on a power grid is reduced.

Description

technical field [0001] The invention relates to the field of photovoltaic power station design, in particular to a 10kV medium-voltage direct-mounted photovoltaic power station system. Background technique [0002] A 10kV medium-voltage direct-mounted photovoltaic power station system is mainly used in the design of photovoltaic power stations. The 10kV medium-voltage direct-mounted photovoltaic power station is a new type of intelligent photovoltaic power station that realizes voltage conversion and energy transfer in the power system based on power electronic conversion technology and electromagnetic induction principles. Compared with traditional photovoltaic power stations, it can also achieve reactive power compensation, harmonic control, Grid interconnection, new energy grid connection, hot swap and many other functions. [0003] A traditional photovoltaic power station usually has the following structure: the electricity generated by photovoltaic panels is connected ...

Claims

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Application Information

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IPC IPC(8): H02J3/38H02J3/18H02J3/01
CPCH02J3/1842H02J3/01Y02E10/56Y02E40/40Y02E40/30
Inventor 范建华徐鹏飞李健勋王庆园李鸿儒张建李伟吴雪梅卢峰林志超程艳艳叶齐
Owner QINGDAO TOPSCOMM COMM
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