A household photovoltaic intelligent power supply system and method based on a new energy gateway
A household photovoltaic and intelligent power supply technology, applied in photovoltaic power generation, AC network circuits, renewable energy integration, etc., can solve the problems of large power consumption, low power supply reliability, and poor economy, so as to optimize power and improve power supply Reliable, high-yield effect
Active Publication Date: 2021-08-03
NANJING UNIV OF SCI & TECH
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Problems solved by technology
[0003] Household users have high requirements on the quality of power supply, but in the existing technology, there is no comprehensive and feasible power supply and intelligent control method for families with photovoltaic and household electric vehicles. The power supply system generally has low power supply reliability and large power consumption loss. , poor economy and other issues
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[0063] to combine figure 1 , figure 2 , the present invention is based on a new energy gateway household photovoltaic intelligent power supply system, including photovoltaic controllers, photovoltaic modules, household loads, electric vehicle converters, electric vehicles with BMS, grid-connected switches, two-way meters, intelligent gateways and The wireless communication unit, wherein the intelligent gateway includes a measurement and control module, a power supply capacity analysis module, an economical optimization dispatch module, an on-off grid switching control module, a protection module and a unified information model interface;
[0064] The photovoltaic controller, household load, and electric vehicle converter are connected to the distribution network through a grid-connected switch; the photovoltaic module is connected to the photovoltaic controller; the electric vehicle containing the BMS is connected to the electric vehicle converter;
[0065] The intelligent g...
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The invention discloses a household photovoltaic intelligent power supply system and method based on a new energy gateway. The system includes photovoltaic controllers, photovoltaic modules, household loads, electric vehicle inverters, electric vehicles with BMS, grid-connected switches, two-way meters, intelligent gateways and wireless communication units. The method is as follows: the measurement and control module collects information; the power supply capacity analysis module calculates the power supply capacity, and then transmits it to the cloud platform and the economic optimization dispatch module through the unified information model interface; The photovoltaic controller and the electric vehicle inverter are controlled; the on-grid switching control module calculates the on-grid switching control information, and at the same time obtains the dispatching instructions from the cloud platform, and controls the grid-connected switch, the photovoltaic controller, and the electric vehicle inverter. control. The invention improves the controllability, reliability and economy of a power supply system including household photovoltaics and household electric vehicles.
Description
technical field [0001] The invention relates to the technical field of intelligent power supply, in particular to a household photovoltaic intelligent power supply system and method based on a new energy gateway. Background technique [0002] In recent years, with the popularization of the concept of smart grid and smart electricity consumption and the maturity of Internet technology, how to economically and efficiently upload the collected power consumption data of power users to the cloud platform for big data processing and value-added services is of great importance to the power industry. The collection technology and control technology of user's electricity consumption data put forward new requirements. On the other hand, the number of household photovoltaic household users and household electric vehicles has shown a sharp increase year by year. The uncontrollability and complexity of the power flow not only impacts the control and protection of the distribution network...
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IPC IPC(8): H02J3/00H02J3/38
CPCH02J3/383H02J3/00H02J3/008Y02B10/10Y02E10/56
Inventor 吉小鹏吴恒刘伟伟刘光杰刘钊
Owner NANJING UNIV OF SCI & TECH