Concentrated monitoring type light-storing micro-grid solar photovoltaic generating system

A solar photovoltaic and centralized monitoring technology, which is applied in photovoltaic power generation, AC network circuits, electrical components, etc., can solve the problems of scattered structure of photovoltaic power generation system, inability to centrally monitor remote management, low utilization rate of cabinets, etc., to achieve convenient wiring and The effects of practical training observation, easy replacement and maintenance, and simple structure

Inactive Publication Date: 2015-06-10
STATE GRID CORP OF CHINA +1
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Problems solved by technology

[0003] The present invention aims at the problems that the structure of existing photovoltaic power generation system is relatively fragmented, centralized monitoring and remote management is impossible, the utilization rate of the cabinet body is not high, and the occupied area is large, and a centralized

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  • Concentrated monitoring type light-storing micro-grid solar photovoltaic generating system
  • Concentrated monitoring type light-storing micro-grid solar photovoltaic generating system
  • Concentrated monitoring type light-storing micro-grid solar photovoltaic generating system

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] In an embodiment of the present invention, a centralized monitoring solar photovoltaic power generation system for light storage microgrid is provided, including photovoltaic panels, off-grid inverters, dual power supply switches, batteries, centralized monitoring modules, battery inspection modules, photovoltaic The output of the battery panel is connected to the input side of the grid-connected and off-grid inverter, a photovoltaic switch is set between the photovoltaic panel and the off-grid inverter, and the charging and discharging interface of the battery is connected to the off-grid in...

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Abstract

The invention discloses a concentrated monitoring type light-storing micro-grid solar photovoltaic generating system. The system is that the output of a photovoltaic cell panel is connected with the input side of a grid-connected and off-grid inverter; a charge/ discharging interface of a storage battery is connected with the grid-connected and off-grid inverter; the load side output of the grid-connected and off-grid inverter is connected with an interface in the general power input side of a double-power change-over switch; the interface in the general power output side of the double-power change-over switch is connected with the load; the grid-connected side output of the grid-connected and off-grid inverter is connected with a power grid, and a backup power input side interface of the double-power change-over switch is synchronously connected to the power grid; a backup power output side interface of the double-power change-over switch is integrally connected in series with the general power output side interface of the double-power change-over switch, so as to provide power to the load. According to the system, all devices are arranged in an integral grid-connected cabinet, beside a photovoltaic cell panel; the whole system can be used for remotely managing through a concentrated monitoring module as well as flexibly switching the grid-connected and off-grid work.

Description

technical field [0001] The invention belongs to the field of photovoltaic power generation, in particular to a centralized monitoring type light storage micro-grid solar photovoltaic power generation system. Background technique [0002] At present, solar photovoltaic power generation has become a power generation technology vigorously promoted and developed in our country. As a new technology, its training is also crucial. At present, there are few photovoltaic storage micro-grid training systems on the market, and some existing photovoltaic power generation systems have a fragmented structure, which cannot be monitored and managed remotely. The utilization rate of the cabinet is not high, and the floor space is large. Contents of the invention [0003] The present invention aims at the problems that the structure of existing photovoltaic power generation system is relatively fragmented, centralized monitoring and remote management is impossible, the utilization rate of...

Claims

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Application Information

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IPC IPC(8): H02J3/38H02B15/00
CPCH02B15/00H02J3/383H02J3/388Y02E10/56
Inventor 余建华郭小进王盼郑秀玉戢凯飞
Owner STATE GRID CORP OF CHINA
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