Light storage and charging control system and method
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology of control system and control method, which is applied in the field of power electronics, can solve the problems of complicated and cumbersome grid connection, waste of manpower and material resources, etc., and achieve the effect of avoiding short circuit of power supply and waste of manpower and material resources
Pending Publication Date: 2022-08-09
绿能慧充数字技术有限公司
View PDF0 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0004] The purpose of the present invention is to provide a solar storage charging control system and method to solve the technical problem
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Example Embodiment
[0043] Example 1
[0044] like Figure 1-2 As shown, an optical storage and charging control system includes a grid connection point E and a main control module, and the grid connection point E is connected to the node D through the first air circuit breaker QF1;
[0045] The node D is connected to the charging module 3, and the node D is connected to the node B through the third AC contactor KM3;
[0046] Node B is connected to the energy storage converter 2;
[0047] The energy storage converter 2 is connected to node A;
[0048] Node A is connected to the DC-DC module 6 through the first DC contactor KZ1, and the DC-DC module 6 is connected to the photovoltaic string 7;
[0049] Node A is connected to the energy storage battery 5 through the second DC contactor KZ2;
[0050] The grid connection point E is connected to the node C through the second air circuit breaker QF2 and the first AC contactor KM1 connected in series in sequence;
[0051] Node C is connected to Nod...
Example Embodiment
[0071] Example 2
[0072] A method for controlling light storage and charging, comprising the following steps:
[0073] The forward active power data obtained from the grid is detected by the two-wire meter and sent to the main control module;
[0074] When there is electricity in the grid, the energy storage battery 5 and the photovoltaic string 7 are connected to the grid or absorbed by the energy storage converter 2, and the main control module controls the inverter output power of the energy storage converter 2 according to the forward active power data. ;
[0075] When the power grid is powered off, the energy storage battery 5 and the photovoltaic string 7 supply power to the load 4 through the off-grid inverter 2 through the energy storage converter 2;
[0076] When the power grid is switched from power on to power off, the first AC contactor KM1 and the third AC contactor KM3 are disconnected first, and the second AC contactor KM2 is pulled in after 2S, and the energ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention belongs to the technical field of power electronics, and particularly relates to an optical storage and charging control system and method. Comprising a grid-connected point E and a main control module, and the grid-connected point E is connected with a node D through a first air circuit breaker QF1; the node D is connected with the node B through a third alternating current contactor KM3; the node B is connected with the energy storage converter; the energy storage converter is connected with the photovoltaic energy storage module; the grid-connected point E is connected with the node C through a second air circuit breaker QF2 and a first alternating current contactor KM1 which are sequentially connected in series; the node C is connected with the node B through a second alternating current contactor KM2; the node C is connected with a load through a third air circuit breaker QF3; the first alternating current contactor KM1 and the second alternating current contactor KM2 are interlocked, and the second alternating current contactor KM2 and the third alternating current contactor KM3 are interlocked; and the main control module is used for acquiring the forward active power data of the grid-connected point E and controlling the output power of the energy storage converter according to the forward active power data. Through the interlocking relation between the alternating current contactors, power supply short circuit caused by sudden power supply of a power grid is avoided.
Description
technical field [0001] The invention belongs to the technical field of power electronics, and in particular relates to an optical storage and charging control system and method. Background technique [0002] In recent years, photovoltaic + energy storage products have developed rapidly. The current tiered electricity price and power rationing policy, as well as the policy of installing a certain proportion of energy storage for photovoltaic installations, have promoted the installation of photovoltaics and energy storage in some large and medium-sized industrial parks. It can bring diversified benefits to the owners, such as the green benefits of photovoltaic power generation for self-use, energy storage utilization of peak and valley voltage arbitrage. At the same time, the solar energy storage system can also be used as a backup power supply. In the event of a power outage, the photovoltaic power generation and energy storage are used to supply power to the electrical equ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more