Resident grid-connected photovoltaic power generation system
A grid-connected power generation and photovoltaic technology, applied in photovoltaic power generation, AC network circuits, electrical components, etc., to achieve the effect of avoiding safety risks
Inactive Publication Date: 2015-01-21
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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[0003] Today, distributed photovoltaic grid-connected power generation will become a useful supplement to the large power grid, but when residents' distributed photovoltaic power generation is connected and managed in disorder, it will cause a series of adverse effects on the power grid, so it is necessary to regulate distributed photovoltaic power generation Connect to the grid technology, formulate standards and assembly specifications for the wiring of household users connected to the grid and the installation of electricity subsidy meters, and actively promote the orderly development of distributed power grid connection
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[0023] The present invention will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.
[0024] Such as figure 1 As shown, a residential photovoltaic grid-connected power generation system, which includes: an electric meter connected to the power grid; a main air switch for household incoming lines, which is connected to the electric meter; household electrical equipment, whose input end is connected to the electric meter for household incoming lines The output end of the air switch is connected; the grid-connected switch; the solar inverter device, the output end of which is connected to the input end of the grid-connected switch; the subsidy meter is used to count the power generation and serve as the main basis for the grid-connected electricity settlement. The output end is connected to the input end of the main air switch of the household incoming line through a first connection line, and its in...
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The invention discloses a resident grid-connected photovoltaic power generation system. The resident grid-connected photovoltaic power generation system comprises an electricity meter, a family inlet wire main air switch, a family electric device, a grid connection switch, a solar inverter device and a subsidy meter. The electricity meter is connected with one side of a power grid, the family inlet wire main air switch is connected with the electricity meter, the input end of the family electric device is connected with the output end of the family inlet wire main air switch, the output end of the solar inverter device is connected with the input end of the grid connection switch, the subsidy meter is used for counting generated energy which is used as the main basis for on-grid energy settlement, the output end of the subsidy meter is connected with the input end of the family inlet wire main air switch through a first connecting wire, and the input end of the subsidy meter is connected with the output end of the grid connection switch through a second connecting wire. The resident grid-connected photovoltaic power generation system has the advantages that according to the electricity meter installation conditions, schemes and assembly specifications are formulated for resident single-point grid-connected photovoltaic power generation connection and electricity energy subsidy meter installation, and security risks of resident grid-connected photovoltaic power generation are avoided.
Description
technical field [0001] The invention relates to a photovoltaic power generation system, in particular to a residential photovoltaic grid-connected power generation system. Background technique [0002] Distributed power generation refers to power generation that is located near the user, uses the generated energy locally, and connects to the grid at a voltage level of 10KV or below, and the total installed capacity of a single grid-connected point shall not exceed 6MW. It covers solar energy, natural gas, biomass, Geothermal energy, ocean energy, comprehensive utilization of resources and power generation. According to the way of power consumption, distributed power projects can be divided into three types: all online, all self-use, and spontaneous self-use surplus power online. [0003] Today, distributed photovoltaic grid-connected power generation will become a useful supplement to the large power grid, but when residents' distributed photovoltaic power generation is con...
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Login to View More IPC IPC(8): H02J3/38
CPCH02J3/383Y02B10/10Y02E10/56
Inventor 冯宇虹康晓燕
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO