CN115940295A - Electric energy monitoring control system and method - Google Patents
Electric energy monitoring control system and method Download PDFInfo
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- CN115940295A CN115940295A CN202310139692.7A CN202310139692A CN115940295A CN 115940295 A CN115940295 A CN 115940295A CN 202310139692 A CN202310139692 A CN 202310139692A CN 115940295 A CN115940295 A CN 115940295A
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Abstract
The invention relates to an electric energy monitoring control system and method, belonging to the technical field of electric energy monitoring control; a system, comprising: the method comprises the steps that the actions of the grid-connected electric energy conversion device and the battery electric energy conversion device are controlled according to electric energy converted by the electric energy dynamic generation group and an electric energy response request of electric equipment; the battery group is added between the dynamic electric energy generation group and the electric equipment, the control device controls the working state of the battery group, and the unbalanced relation between the dynamic electric energy generation group and the electric energy demand of the electric equipment is adjusted, so that the balance between the electric load and the supplied electric energy is achieved, the electricity is saved, and the problems of energy conservation and emission reduction of production and manufacturing enterprises are solved.
Description
Technical Field
The invention relates to an electric energy monitoring control system and method, and belongs to the technical field of electric energy monitoring control.
Background
In order to protect the earth on which we rely for survival, we are taking active and effective measures to improve the environment and reduce pollution. The most important and urgent problem is the energy problem, and the energy problem is solved fundamentally, and besides the search of new energy, energy conservation is the key and the most direct and effective important measure at present.
Energy conservation refers to enhancing energy utilization management, reducing loss and waste in each link from energy production to consumption by adopting measures which are feasible technically, reasonable economically and sustainable by the environment and the society, and utilizing energy more effectively and reasonably.
For example, chinese patent ZL202221345295.2 proposes an electrical load control system based on an upper computer in order to solve the problem that the electrical load exceeds the limit during the energy saving and emission reduction process of the manufacturing enterprise. An electrical load control system based on an upper computer comprises an intelligent electric energy instrument, an RS485 bus, a data acquisition server, an upper computer SCADA, an industrial Ethernet switch, a PLC (programmable logic controller), a field bus, field electrical equipment and a multimedia sound box; the intelligent electric energy instrument is connected with the data acquisition server through the RS485 bus, the data acquisition server is connected with the industrial Ethernet switch, the data acquisition server and the upper computer SCADA are integrated in a computer, the upper computer SCADA is connected with the PLC through the industrial Ethernet switch, and the PLC is connected with the field electric equipment through the field bus.
The upper computer SCADA is combined with the lower PLC, and the field PLC receives the power load control information transmitted by the industrial Ethernet switch and then controls the field power utilization equipment through a field bus. However, in order to solve the problem that the power load exceeds the limit in the energy saving and emission reduction process of the manufacturing enterprises, the scheme of controlling the field power utilization equipment influences the operation of the field power utilization equipment, and further influences the product manufacturing.
The electric energy quality analyzer is a special instrument for monitoring and analyzing the electric energy supplied and consumed by a power grid or equipment, and can be used for carrying out long-term load research analysis and energy-saving evaluation. In order to solve the problem that the power load exceeds the limit in the process of energy conservation and emission reduction of production and manufacturing enterprises, the electric energy monitoring and controlling system and the method can also be provided, so that reasonable electric energy is supplied for power utilization, and the power utilization is saved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the electric energy monitoring and controlling system and the method provide reasonable electric energy for supplying power, avoid electric energy loss caused by unstable power load, save power and solve the problems of energy conservation and emission reduction of production and manufacturing enterprises.
The invention relates to an electric energy monitoring and controlling system, which is characterized by comprising:
the electric energy monitoring device is used for monitoring electric energy dynamically generated by the electric energy conversion group and electric energy consumed by electric equipment;
the dynamic electric energy generating group comprises a plurality of dynamic electric energy generating devices and is used for converting other energy sources into electric energy;
the battery group comprises a plurality of batteries and controls the balance of electric energy between the electric equipment of the power grid and the dynamic electric energy generating device through charging and discharging;
and the control device controls the charging and discharging of the plurality of batteries included in the battery group according to the electric energy converted by the electric energy dynamic generation group and an electric energy response request of the power grid electric equipment.
The battery group is added between the dynamic electric energy generation group and the electric equipment, the control device controls the working state of the battery group, and the unbalanced relation between the dynamic electric energy generation group and the electric energy demand of the electric equipment is adjusted, so that the balance between the electric load and the supplied electric energy is achieved, the electricity is saved, and the problems of energy conservation and emission reduction of production and manufacturing enterprises are solved.
Preferably, the method further comprises the following steps:
the grid-connected electric energy conversion device is electrically connected between the power grid electric equipment and the electric energy dynamic generation device and the battery group;
the battery electric energy conversion device is electrically connected among the battery group, the electric energy dynamic generation device and the grid-connected electric energy conversion device;
the grid-connected electric energy conversion device switches the electric connection and the electric disconnection between the dynamic electric energy generation device and the electric equipment of the power grid through the grid-connected electric energy switching device, and the battery electric energy conversion device switches the electric connection and the electric disconnection between the dynamic electric energy generation device and a plurality of batteries included in the battery group through the battery electric energy switching device;
and the control device controls the grid-connected electric energy switching device and the battery electric energy switching device.
Preferably, the control device includes a judgment module and a signal generation module, the judgment module is configured to compare magnitudes between the electric energy dynamically generated by the electric energy group conversion and the electric energy response request of the electric equipment, and when the electric energy dynamically generated by the electric energy group conversion is greater than the electric energy response request of the electric equipment, the signal generation module generates a first control signal to control the corresponding grid-connected electric energy switching device to electrically connect the electric energy dynamically generated by the electric energy dynamic generation device and the electric equipment, so that the electric energy corresponding to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery electric energy switching device is controlled to electrically connect the electric energy dynamic generation device and the corresponding batteries included in the battery group, so that the residual electric energy charges the corresponding batteries;
when the electric energy converted by the electric energy dynamic generation group is smaller than the electric energy response request of the electric equipment, the signal generation module generates a second control signal to control all the grid-connected electric energy switching devices to electrically connect all the electric energy dynamic generation devices and the electric equipment, so that all the electric energy is supplied to the electric equipment; meanwhile, the battery electric energy switching device is controlled to electrically connect the electric equipment and the corresponding batteries included in the battery group, so that the batteries discharge and supply the corresponding electric energy to the electric equipment;
when the electric energy converted by the electric energy dynamic generation group is larger than the electric energy response request of the electric equipment, the signal generation module generates a third control signal to control all grid-connected electric energy switching devices to be electrically connected with the electric energy dynamic generation device and the electric equipment corresponding to the electric energy response request of the electric equipment, so that the electric energy corresponding to the electric energy response request of the electric equipment is supplied to the electric equipment.
Preferably, the plurality of dynamic electric energy generation devices included in the dynamic electric energy generation group all generate electricity by using wind energy.
Preferably, the plurality of dynamic electric energy generation devices included in the dynamic electric energy generation group all use solar energy to generate electricity.
Preferably, a part of the plurality of dynamic electric energy generation devices included in the dynamic electric energy generation group generates electricity by using wind energy, and the other part generates electricity by using solar energy.
The control method of the electric energy monitoring and controlling system controls the actions of the grid-connected electric energy conversion device and the battery electric energy conversion device according to the electric energy from the dynamic electric energy generation group conversion and the electric energy response request of the electric equipment.
The unbalanced relation between the electric energy response requests of the electric energy dynamic generation group and the electric equipment is adjusted by controlling the working states of the battery group, the grid-connected electric energy conversion device and the battery electric energy conversion device between the electric energy dynamic generation group and the electric equipment, so that the effect of stable power supply is achieved.
Preferably, when the electric energy converted by the electric energy dynamic generation group is greater than the electric energy response request of the electric equipment, the control device controls the grid-connected electric energy conversion device to convert the electric energy adaptive to the electric energy response request of the electric equipment to supply to the electric equipment, and controls the battery electric energy conversion device to charge the adaptive battery with the residual electric energy;
when the electric energy generated by the dynamic electric energy generation group is less than the electric energy response request of the electric equipment, controlling the grid-connected electric energy conversion device to be fully opened to supply the electric energy to the electric equipment, and simultaneously controlling the battery electric energy conversion device to discharge the corresponding electric energy to supply the electric equipment;
and when the electric energy converted by the electric energy dynamic generation group is equal to the electric energy response request of the electric equipment, controlling the grid-connected electric energy conversion device to convert the electric energy which is suitable for the electric energy response request of the electric equipment and supply the electric equipment.
Preferably, when the electric energy converted by the electric energy dynamic generation group is greater than the electric energy response request of the electric equipment, the control device controls the corresponding grid-connected electric energy switching device to electrically connect the corresponding electric energy dynamic generation device and the electric equipment, so that the electric energy corresponding to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery electric energy switching device is controlled to electrically connect the electric energy dynamic generation device and the corresponding batteries included in the battery group, so that the residual electric energy charges the corresponding batteries;
when the electric energy converted by the dynamic electric energy generation group is smaller than the electric energy response request of the electric equipment, controlling all grid-connected electric energy switching devices to electrically connect all the dynamic electric energy generation devices and the electric equipment so that all the electric energy is supplied to the electric equipment; meanwhile, the battery electric energy switching device is controlled to electrically connect the electric equipment and the corresponding batteries included in the battery group, so that the batteries discharge and supply the corresponding electric energy to the electric equipment;
and when the electric energy converted by the dynamic electric energy generation group is greater than the electric energy response request of the electric equipment, controlling all grid-connected electric energy switching devices to electrically connect the corresponding dynamic electric energy generation devices and the electric equipment so as to supply the electric energy corresponding to the electric energy response request of the electric equipment to the electric equipment.
Preferably, the method for controlling the dynamic switching of the multi-network electric energy specifically comprises the following steps:
s1, monitoring electric energy generated by the control device in the dynamic electric energy generation group conversion and an electric energy response request of electric equipment;
s2, judging the size relation between the electric energy converted by the electric energy dynamic generation group and the electric energy response request of the electric equipment, and entering the step S3 when the electric energy converted by the electric energy dynamic generation group is larger than the electric energy response request of the electric equipment; when the electric energy converted by the electric energy dynamic generation group is smaller than the electric energy response request of the electric equipment, the step S4 is executed; when the electric energy converted by the electric energy dynamic generation group is equal to the electric energy response request of the electric equipment, the step S5 is carried out;
s3, controlling the grid-connected electric energy conversion device to convert electric energy which is suitable for the electric energy response request of the electric equipment to supply the electric equipment, and controlling the battery electric energy conversion device to charge the corresponding battery with the residual electric energy;
s4, controlling the grid-connected electric energy conversion device to be fully opened to supply electric energy to the electric equipment, and simultaneously controlling the battery electric energy conversion device to enable the battery to discharge corresponding electric energy to be supplied to the electric equipment;
and S5, controlling the grid-connected electric energy conversion device to convert the electric energy which is suitable for the electric energy response request of the electric equipment to supply the electric equipment.
Compared with the prior art, the invention has the following beneficial effects:
according to the electric energy monitoring control system and method, the battery group, the grid-connected electric energy conversion device and the battery electric energy conversion device are additionally arranged between the electric energy dynamic generation group and the electric equipment, and the unbalanced relation between the electric energy dynamic generation group and the electric equipment electric energy response request is adjusted by controlling the working states of the battery group, the grid-connected electric energy conversion device and the battery electric energy conversion device between the electric energy dynamic generation group and the electric equipment, so that electric energy loss caused by unstable electric loads is avoided, the electric energy is saved, and the problems of energy conservation and emission reduction of production and manufacturing enterprises are solved.
Drawings
Fig. 1 is a block diagram of an electric energy monitoring and controlling system according to the present invention;
fig. 2 is a flowchart of a method for controlling dynamic switching of multi-network electric energy according to the present invention.
Wherein, 1, dynamically generating group of electric energy; 2. a battery group; 3. a grid-connected electric energy conversion device; 4. a battery power conversion device; 5. a grid-connected electric energy switching device; 6. a battery power switching device; 7. a control device; 8. electric energy monitoring devices.
Detailed Description
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or technical solutions will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Example 1:
as shown in fig. 1, the electric energy monitoring and controlling system according to the present invention includes:
the electric energy monitoring device 8 is used for monitoring the electric energy converted by the electric energy dynamic generation group 1 and the electric energy consumed by the electric equipment;
the dynamic electric energy generating group 1 comprises a plurality of dynamic electric energy generating devices and is used for converting other energy sources into electric energy;
the battery group 2 comprises a plurality of batteries and controls the balance of electric energy between the electric equipment of the power grid and the dynamic electric energy generating device through charging and discharging;
and a control device 7 configured to control charging and discharging of the plurality of batteries included in the battery group 2, based on the electric energy converted by the dynamic electric energy generation group 1 and an electric energy response request from the grid electric equipment.
By adding the battery group between the dynamic electric energy generation group 1 and the electric equipment, the control device controls the working state of the battery group, and adjusts the unbalanced relation between the dynamic electric energy generation group and the electric energy demand of the electric equipment, so that the balance between electric load and supplied electric energy is achieved, the electricity is saved, and the problems of energy conservation and emission reduction of production and manufacturing enterprises are solved.
Here, the power monitoring device 8 may employ a power quality analyzer or a power meter, and the power of the electric device responds to the request, that is, the power consumed by the electric device. And the electric energy quality analyzer is arranged on the power transmission end of the electric energy dynamic generation group and the power supply end of the electric equipment so as to monitor the electric energy converted by the electric energy dynamic generation group 1 and the electric energy consumed by the electric equipment.
In particular, the method comprises the following steps of,
further comprising:
the grid-connected electric energy conversion device 3 is electrically connected between the power grid electric equipment and the electric energy dynamic generation device and the battery group 2;
the battery electric energy conversion device 4 is electrically connected between the battery group 2 and the electric energy dynamic generation device and the grid-connected electric energy conversion device 3;
the grid-connected electric energy conversion device 3 switches the electric connection and the electric disconnection between the dynamic electric energy generation device and the electric equipment of the power grid through a grid-connected electric energy switching device 5, and the battery electric energy conversion device 4 switches the electric connection and the electric disconnection between the dynamic electric energy generation device and a plurality of batteries included in the battery group 2 through a battery electric energy switching device 6;
the control device 7 controls the grid-connected power switching device 5 and the battery power switching device 6.
The control device 7 comprises a judging module and a signal generating module, wherein the judging module is used for comparing the electric energy converted by the electric energy dynamic generation group 1 with the electric energy response request of the electric equipment;
when the electric energy converted by the electric energy dynamic generation group 1 is greater than the electric energy response request of the electric equipment, the signal generation module generates a first control signal to control the corresponding grid-connected electric energy switching device 5 to electrically connect the electric energy dynamic generation device and the electric equipment which are adaptive to each other, so that the electric energy adaptive to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery electric energy switching device 6 is controlled to electrically connect the electric energy dynamic generation device with the corresponding batteries included in the battery group 2, so that the rest electric energy charges the corresponding batteries;
when the electric energy converted by the electric energy dynamic generation group 1 is smaller than the electric energy response request of the electric equipment, the signal generation module generates a second control signal to control all the grid-connected electric energy switching devices 5 to electrically connect all the electric energy dynamic generation devices and the electric equipment, so that all the electric energy is supplied to the electric equipment; meanwhile, the battery electric energy switching device 6 is controlled to electrically connect the electric equipment and the corresponding batteries included in the battery group 2, so that the batteries discharge and supply the corresponding electric energy to the electric equipment;
when the electric energy converted by the electric energy dynamic generation group 1 is greater than the electric energy response request of the electric equipment, the signal generation module generates a third control signal to control all the grid-connected electric energy switching devices 5 to electrically connect the corresponding electric energy dynamic generation device and the electric equipment, so that the electric energy corresponding to the electric energy response request of the electric equipment is supplied to the electric equipment.
In order to further achieve the effects of energy conservation and emission reduction, the plurality of dynamic electric energy generation devices included in the dynamic electric energy generation group 1 may generate electricity by using wind energy, may also generate electricity by using solar energy, may also generate electricity by using wind energy for one part, and generate electricity by using solar energy for another part, and the form of electricity generation is not limited herein, and may be any renewable energy source form of electricity generation.
Example 2
As shown in fig. 2, the method for controlling switching of dynamic multi-network power conversion according to the present invention is applied to the power monitoring control system described in embodiment 1, and specifically includes the following steps:
s1, monitoring electric energy converted by the control device 7 in the electric energy dynamic generation group 1 and an electric energy response request of electric equipment;
s2, judging the size relation between the electric energy converted by the dynamic electric energy generation group 1 and the electric energy response request of the electric equipment, and entering S3 when the electric energy converted by the dynamic electric energy generation group 1 is larger than the electric energy response request of the electric equipment; when the electric energy converted by the electric energy dynamic generation group 1 is smaller than the electric energy response request of the electric equipment, the step S4 is executed; when the electric energy converted by the electric energy dynamic generation group 1 is equal to the electric energy response request of the electric equipment, the step S5 is executed;
s3, controlling the grid-connected electric energy conversion device 3 to convert electric energy which is suitable for the electric energy response request of the electric equipment and supply the electric equipment with the electric energy, and controlling the battery electric energy conversion device 4 to charge the corresponding battery with the residual electric energy;
s4, controlling the grid-connected electric energy conversion device 3 to be fully opened to supply electric energy to the electric equipment, and simultaneously controlling the battery electric energy conversion device 4 to discharge corresponding electric energy from the battery to supply the electric equipment;
and S5, controlling the grid-connected electric energy conversion device 3 to convert the electric energy which is suitable for the electric energy response request of the electric equipment and supply the electric equipment.
The operations of the grid-connected power conversion device 3 and the battery power conversion device 4 are controlled in accordance with the electric energy converted from the dynamic electric energy generation group 1 and the electric energy response request from the electric power utilization equipment.
By controlling the working states of the battery group 2, the grid-connected electric energy conversion device 3 and the battery electric energy conversion device 4 between the electric energy dynamic generation group 1 and the electric equipment, the unbalanced relation between the electric energy response requests of the electric energy dynamic generation group 1 and the electric equipment is adjusted, and the effect of stable power supply is achieved.
The control principle of the multi-network electric energy dynamic conversion switching control method is as follows:
when the electric energy converted by the dynamic electric energy generation group 1 is larger than the electric energy response request of the electric equipment, the control device 7 controls the grid-connected electric energy conversion device 3 to convert the electric energy adaptive to the electric energy response request of the electric equipment to supply to the electric equipment, and simultaneously controls the battery electric energy conversion device 4 to charge the adaptive battery with the residual electric energy;
when the electric energy converted by the electric energy dynamic generation group 1 is smaller than the electric energy response request of the electric equipment, controlling the grid-connected electric energy conversion device 3 to be fully opened to supply the electric energy to the electric equipment, and simultaneously controlling the battery electric energy conversion device 4 to discharge the corresponding electric energy to the electric equipment;
when the electric energy converted by the electric energy dynamic generation group 1 is equal to the electric energy response request of the electric equipment, the grid-connected electric energy conversion device 3 is controlled to convert the electric energy which is suitable for the electric energy response request of the electric equipment and supply the electric equipment.
Specifically, the control device 7 includes a judging module and a signal generating module, where the judging module is configured to compare the magnitude between the electric energy converted by the dynamic electric energy generation group 1 and the electric energy response request of the electric equipment, and when the electric energy converted by the dynamic electric energy generation group 1 is greater than the electric energy response request of the electric equipment, the signal generating module generates a first control signal to control the corresponding grid-connected electric energy switching device 5 to electrically connect the electric energy dynamic generation device and the electric equipment that are adapted to each other, so that the electric energy adapted to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery electric energy switching device 6 is controlled to electrically connect the electric energy dynamic generation device and the corresponding batteries included in the battery group 2, so that the residual electric energy charges the corresponding batteries;
when the electric energy converted by the electric energy dynamic generation group 1 is smaller than the electric energy response request of the electric equipment, the signal generation module generates a second control signal to control all the grid-connected electric energy switching devices 5 to electrically connect all the electric energy dynamic generation devices and the electric equipment, so that all the electric energy is supplied to the electric equipment; meanwhile, the battery electric energy switching device 6 is controlled to electrically connect the electric equipment and the corresponding batteries included in the battery group 2, so that the batteries discharge and supply the corresponding electric energy to the electric equipment;
when the electric energy converted by the electric energy dynamic generation group 1 is greater than the electric energy response request of the electric equipment, the signal generation module generates a third control signal to control all the grid-connected electric energy switching devices 5 to electrically connect the corresponding electric energy dynamic generation devices and the electric equipment, so that the electric energy corresponding to the electric energy response request of the electric equipment is supplied to the electric equipment;
the electric energy dynamic generation device is electrically connected with the electric equipment and the electric equipment is electrically connected with the battery through electric wires, and the electric wires between the electric energy dynamic generation device and the electric equipment and between the electric equipment and the battery are provided with switches. The electric energy switching device 5 and the battery electric energy switching device 6 respectively control the on and off of switches between the electric energy dynamic generation device and the electric equipment and between the electric equipment and the battery to control the charging and discharging of the plurality of batteries included in the battery group 2. That is to say, the electric energy switching device 5 and the battery electric energy switching device 6 are both switch switching control devices, for example, chinese patents ZL201420545995.5, CN02138358.8, and CN201911056355.1 all disclose specific switch switching control devices, which are prior art and are not repeated herein.
The above is a detailed description of the electric energy monitoring and controlling system and method provided by the invention. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. An electric energy monitoring control system, comprising:
the electric energy monitoring device (8) is used for monitoring the electric energy converted by the electric energy dynamic generation group (1) and the electric energy consumed by the electric equipment;
the dynamic electric energy generating group (1) comprises a plurality of dynamic electric energy generating devices and is used for converting other energy sources into electric energy;
a battery group (2) including a plurality of batteries, and controlling the balance of electric energy between the electric equipment and the dynamic electric energy generating device through charging and discharging;
and a control device (7) for controlling the charging and discharging of the plurality of batteries included in the battery group (2) according to the electric energy converted by the dynamic electric energy generation group (1) and an electric energy response request of an electric device.
2. The power monitoring control system of claim 1, further comprising:
the grid-connected electric energy conversion device (3) is electrically connected between the electric equipment, the electric energy dynamic generation device and the battery group (2);
the battery electric energy conversion device (4) is electrically connected among the battery group (2), the electric energy dynamic generation device and the grid-connected electric energy conversion device (3);
the grid-connected electric energy conversion device (3) switches the electric connection and the electric disconnection between the dynamic electric energy generation device and the electric equipment through a grid-connected electric energy switching device (5), and the battery electric energy conversion device (4) switches the electric connection and the electric disconnection between the dynamic electric energy generation device and a plurality of batteries included in the battery group (2) through a battery electric energy switching device (6);
the control device (7) controls the grid-connected electric energy switching device (5) and the battery electric energy switching device (6).
3. The power monitoring control system according to claim 2, wherein the control device (7) comprises a judging module and a signal generating module, the judging module is used for comparing the magnitude between the power converted by the power dynamic generation group (1) and the power response request of the electric equipment, when the power converted by the power dynamic generation group (1) is greater than the power response request of the electric equipment, the signal generating module generates a first control signal to control the corresponding grid-connected power switching device (5) to electrically connect the corresponding power dynamic generation device and the corresponding electric equipment, so that the power corresponding to the power response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery electric energy switching device (6) is controlled to electrically connect the electric energy dynamic generation device and the corresponding batteries included in the battery group (2), so that the remaining electric energy charges the corresponding batteries;
when the electric energy converted by the electric energy dynamic generation group (1) is smaller than the electric energy response request of the electric equipment, the signal generation module generates a second control signal to control all the grid-connected electric energy switching devices (5) to electrically connect all the electric energy dynamic generation devices and the electric equipment, so that all the electric energy is supplied to the electric equipment; simultaneously controlling the electric connection between the electric equipment and the corresponding batteries included in the battery group (2) by the battery electric energy switching device (6) so as to discharge the batteries and supply the corresponding electric energy to the electric equipment;
when the electric energy converted by the electric energy dynamic generation group (1) is larger than the electric energy response request of the electric equipment, the signal generation module generates a third control signal to control all grid-connected electric energy switching devices (5) to be electrically connected with the electric energy dynamic generation device and the electric equipment correspondingly, so that the electric energy corresponding to the electric energy response request of the electric equipment is supplied to the electric equipment.
4. The monitoring and control system according to claim 1, wherein the dynamic electric energy generation group (1) comprises a plurality of dynamic electric energy generation devices which generate electricity by using wind energy.
5. The electric energy monitoring and control system according to claim 1, wherein the plurality of dynamic electric energy generation devices included in the dynamic electric energy generation group (1) all generate electricity by solar energy.
6. The monitoring and control system according to claim 1, characterized in that the dynamic generation group (1) comprises a plurality of dynamic generation devices, one part of which uses wind energy to generate electricity and the other part uses solar energy to generate electricity.
7. An electric energy monitoring control method using the electric energy monitoring control system according to any one of claims 1 to 6, characterized in that: and controlling the charging and discharging of the plurality of batteries included in the battery group (2) according to the electric energy converted by the electric energy dynamic generation group (1) and the electric energy response request of the electric equipment.
8. The electric energy monitoring control method according to claim 7, characterized in that: the charging and discharging of the plurality of batteries included in the battery group (2) are controlled by the actions of the grid-connected electric energy conversion device (3) and the battery electric energy conversion device (4); when the electric energy converted by the electric energy dynamic generation group (1) is larger than the electric energy response request of the electric equipment, the control device (7) controls the grid-connected electric energy conversion device (3) to convert the electric energy adaptive to the electric energy response request of the electric equipment to supply the electric equipment, and controls the battery electric energy conversion device (4) to charge the adaptive battery with the residual electric energy;
when the electric energy converted by the electric energy dynamic generation group (1) is smaller than the electric energy response request of the electric equipment, controlling the grid-connected electric energy conversion device (3) to be fully opened to supply the electric energy to the electric equipment, and simultaneously controlling the battery electric energy conversion device (4) to discharge the corresponding electric energy to the electric equipment;
and when the electric energy converted by the electric energy dynamic generation group (1) is equal to the electric energy response request of the electric equipment, controlling the grid-connected electric energy conversion device (3) to convert the electric energy which is suitable for the electric energy response request of the electric equipment and supply the electric equipment.
9. The electric energy monitoring control method according to claim 7, characterized in that: when the electric energy converted by the electric energy dynamic generation group (1) is greater than the electric energy response request of the electric equipment, the control device (7) controls the corresponding grid-connected electric energy switching device (5) to electrically connect the electric energy dynamic generation device and the electric equipment which are adaptive to each other, so that the electric energy adaptive to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery electric energy switching device (6) is controlled to electrically connect the electric energy dynamic generation device and the corresponding batteries included in the battery group (2), so that the remaining electric energy charges the corresponding batteries;
when the electric energy converted by the dynamic electric energy generation group (1) is smaller than the electric energy response request of the electric equipment, controlling all grid-connected electric energy switching devices (5) to electrically connect all the dynamic electric energy generation devices and the electric equipment so that all the electric energy is supplied to the electric equipment; meanwhile, the battery electric energy switching device (6) is controlled to electrically connect the electric equipment and the corresponding batteries included in the battery group (2) so that the batteries discharge and the corresponding electric energy is supplied to the electric equipment;
when the electric energy converted by the electric energy dynamic generation group (1) is larger than the electric energy response request of the electric equipment, all grid-connected electric energy switching devices (5) are controlled to electrically connect the corresponding electric energy dynamic generation devices and the electric equipment, so that the electric energy corresponding to the electric energy response request of the electric equipment is supplied to the electric equipment.
10. The electric energy monitoring control method according to claim 7, characterized in that: the method specifically comprises the following steps:
s1, monitoring electric energy converted by the control device (7) in the electric energy dynamic generation group (1) and an electric energy response request of electric equipment;
s2, judging the size relation between the electric energy converted by the electric energy dynamic generation group (1) and the electric energy response request of the electric equipment, and entering the step S3 when the electric energy converted by the electric energy dynamic generation group (1) is larger than the electric energy response request of the electric equipment; when the electric energy converted by the electric energy dynamic generation group (1) is smaller than the electric energy response request of the electric equipment, the step S4 is executed; when the electric energy converted by the electric energy dynamic generation group (1) is equal to the electric energy response request of the electric equipment, the step S5 is carried out;
s3, controlling the grid-connected electric energy conversion device (3) to convert electric energy which is adaptive to an electric energy response request of the electric equipment and supply the electric equipment with the electric energy, and simultaneously controlling the battery electric energy conversion device (4) to charge the adaptive battery with the residual electric energy;
s4, controlling the grid-connected electric energy conversion device (3) to be fully opened to supply electric energy to the electric equipment, and simultaneously controlling the battery electric energy conversion device (4) to enable the battery to discharge corresponding electric energy to be supplied to the electric equipment;
and S5, controlling the grid-connected electric energy conversion device (3) to convert the electric energy which is suitable for the electric energy response request of the electric equipment and supply the electric equipment.
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