CN115940295B - Electric energy monitoring control system and method - Google Patents
Electric energy monitoring control system and method Download PDFInfo
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- CN115940295B CN115940295B CN202310139692.7A CN202310139692A CN115940295B CN 115940295 B CN115940295 B CN 115940295B CN 202310139692 A CN202310139692 A CN 202310139692A CN 115940295 B CN115940295 B CN 115940295B
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Abstract
The invention relates to an electric energy monitoring control system and method, and belongs to the technical field of electric energy monitoring control; a system, comprising: the system comprises an electric energy monitoring device, an electric energy dynamic generation group, a battery group and a control device, wherein 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 electric energy dynamic generation group and the electric equipment, the working state of the battery group is controlled by the control device, the unbalanced relation between the electric energy dynamic generation group and the electric energy demand of the electric equipment is regulated, 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 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 depend, we are taking positive and effective measures to improve the environment and reduce pollution. The most important and urgent problem is energy problem, so that the energy problem is solved fundamentally, and energy conservation is a key and most direct and effective important measure at present besides searching for new energy.
Energy conservation means strengthening energy management, adopting the measures that are feasible in technology, reasonable in economy and sustainable in environment and society, reducing loss and waste in each link from energy production to consumption, and more effectively and reasonably utilizing energy.
For example, in chinese patent ZL202221345295.2, in order to solve the problem that the electricity load exceeds the limit in the process of energy saving and emission reduction of manufacturing enterprises, an electricity load control system based on an upper computer is provided. The utility model provides a power consumption load control system based on host computer, includes intelligent electric energy instrument, RS485 bus, data acquisition server, host computer SCADA, industry Ethernet switch, PLC controller, field bus, on-the-spot consumer, multimedia loudspeaker box; the intelligent electric energy instrument is connected with a data acquisition server through an RS485 bus, the data acquisition server is connected with an industrial Ethernet switch, the data acquisition server and an upper computer SCADA are integrated in a computer, the upper computer SCADA is connected with a PLC controller through the industrial Ethernet switch, and the PLC controller is connected with field electric equipment through a 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 electric equipment through the field bus. However, in order to solve the problem that the electricity load exceeds the limit in the process of energy conservation and emission reduction of production and manufacturing enterprises, the operation of the on-site electric equipment can be influenced by adopting a scheme for controlling the on-site electric equipment, and then the product manufacturing is influenced.
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 perform long-term load research analysis and energy-saving evaluation. In order to solve the problem that the electricity load exceeds the limit in the process of energy conservation and emission reduction of manufacturing enterprises, the system and the method for monitoring and controlling the electric energy can also be provided, reasonable electricity energy supply and electricity utilization are provided, and electricity utilization is saved.
Disclosure of Invention
The invention aims to solve the technical problems that: the electric energy monitoring control system and the method are provided, reasonable electric energy supply and electricity utilization are provided, electric energy loss caused by unstable electricity load is avoided, electricity utilization is saved, and the problem of energy conservation and emission reduction of manufacturing enterprises is solved.
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 converted by the electric energy dynamic generation group and electric energy consumed by electric equipment;
the electric energy dynamic generation group comprises a plurality of electric energy dynamic generation devices, which are used for converting other energy sources into electric energy;
the battery group comprises a plurality of batteries, and the balance of the electric energy between the electric power equipment of the power grid and the electric energy dynamic generation device is controlled through charging and discharging;
and the control device is used for controlling the charge and discharge of the batteries included in the battery group according to the electric energy converted by the electric energy dynamic generation group and the electric energy response request of the electric network electric equipment.
The battery group is added between the electric energy dynamic generation group and the electric equipment, the working state of the battery group is controlled by the control device, the unbalanced relation between the electric energy dynamic generation group and the electric energy demand of the electric equipment is regulated, 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 manufacturing enterprises are solved.
Preferably, the method further comprises:
the grid-connected electric energy conversion device is electrically connected between the electric equipment of the power grid, the electric energy dynamic generation device and the battery group;
the battery power conversion device is electrically connected between the battery group and the power dynamic generation device and the grid-connected power conversion device;
the grid-connected electric energy conversion device is used for switching the electric connection and the electric disconnection between the electric energy dynamic generation device and the electric network electric equipment through the grid-connected electric energy switching device, and the battery electric energy conversion device is used for switching the electric connection and the electric disconnection between the electric energy dynamic generation device and a plurality of batteries contained in the battery group through the battery electric energy switching device;
the control device controls the grid-connected power switching device and the battery power switching device.
Preferably, the control device 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 with the electric energy response request of the electric equipment, and 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 generating module generates a first control signal to control the corresponding grid-connected electric energy switching device to electrically connect the electric energy dynamic generation device and the electric equipment which are adapted to each other, so that the electric energy which is adapted to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery power switching device is controlled to electrically connect the power dynamic generation device and the corresponding batteries included in the battery group, so that the rest power 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 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 battery which is contained in the battery group and is suitable for the battery, so that the battery discharges and the electric energy which is suitable for the battery is supplied 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 connected with the electric equipment in an electric mode, so that the electric energy which is suitable for the electric energy response request of the electric equipment is supplied to the electric equipment.
Preferably, the plurality of electric energy dynamic generation devices included in the electric energy dynamic generation group all adopt wind energy to generate electricity.
Preferably, the plurality of electric energy dynamic generation devices included in the electric energy dynamic generation group all adopt solar energy for power generation.
Preferably, one part of the plurality of electric energy dynamic generation devices included in the electric energy dynamic generation group adopts wind energy to generate electricity, and the other part adopts solar energy to generate electricity.
According to the control method of the electric energy monitoring control system, actions of the grid-connected electric energy conversion device and the battery electric energy conversion device are controlled according to electric energy converted from the electric energy dynamic generation group and an electric energy response request of electric equipment.
The unbalanced relation between the electric energy dynamic generation group and the electric energy response request of the electric equipment is regulated 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 larger 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 which is suitable for the electric energy response request of the electric equipment to supply to the electric equipment, and simultaneously controls the battery electric energy conversion device to charge the battery which is suitable for the residual electric energy;
when the electric energy converted by the electric energy dynamic generation group is smaller than the electric energy response request of the electric equipment, controlling the grid-connected electric energy conversion device to fully open so as to supply the electric energy to the electric equipment, and simultaneously controlling the battery electric energy conversion device so as to enable the battery to discharge the corresponding electric energy so as to supply the electric equipment;
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 grid-connected electric energy conversion device is controlled to convert the electric energy which is suitable for the electric energy response request of the electric equipment to supply to the electric equipment.
Preferably, 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 control device controls the corresponding grid-connected electric energy switching device to electrically connect the electric energy dynamic generation device and the electric equipment which are adapted, so that the electric energy which is adapted to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery power switching device is controlled to electrically connect the power dynamic generation device and the corresponding batteries included in the battery group, so that the rest power 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, controlling all 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 battery which is contained in the battery group and is suitable for the battery, so that the battery discharges and the electric energy which is suitable for the battery is supplied 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, controlling the electric connection between the electric energy dynamic generation device and the electric equipment which are matched by all grid-connected electric energy switching devices, so that the electric energy which is matched with the electric energy response request of the electric equipment is supplied to the electric equipment.
Preferably, a multi-network electric energy dynamic conversion switching control method specifically comprises the following steps:
step S1, monitoring an electric energy response request of the control device for dynamically generating electric energy converted by the group and electric equipment in electric energy;
step S2, judging the size relation between the electric energy response requests of the electric equipment and the electric energy converted by the electric energy dynamic generation group, and entering step S3 when the electric energy response requests of the electric equipment and the electric energy converted by the electric energy dynamic generation group are larger than each other; when the electric energy converted by the electric energy dynamic generation group is smaller than the electric energy response request of the electric equipment, entering a step S4; when the electric energy converted by the electric energy dynamic generation group is equal to the electric energy response request of the electric equipment, entering a step S5;
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 to the electric equipment, and simultaneously controlling the battery electric energy conversion device to charge the battery which is suitable for 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 electric energy which is suitable for the electric energy response request of the electric equipment to supply to 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 added 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 energy response request of the electric equipment is regulated 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 load is avoided, electricity is saved, and the problems of energy conservation and emission reduction of manufacturing enterprises are solved.
Drawings
FIG. 1 is a block diagram of an electrical energy monitoring control system according to the present invention;
fig. 2 is a flow chart of a method for controlling switching of multi-network power dynamic conversion according to the present invention.
1, dynamically generating groups by electric energy; 2. a battery group; 3. grid-connected electric energy conversion device; 4. a battery power conversion device; 5. grid-connected electric energy switching device; 6. a battery power switching device; 7. a control device; 8. and the electric energy monitoring device.
Detailed Description
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings that are needed in the description of the embodiments or technical solutions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Example 1:
as shown in fig. 1, the electric energy monitoring and controlling system according to the present invention is characterized by 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 electric energy dynamic generation group 1 comprises a plurality of electric energy dynamic generation devices for converting other energy sources into electric energy;
the battery group 2 comprises a plurality of batteries, and the balance of the electric energy between the electric power equipment of the power grid and the electric energy dynamic generation device is controlled through charging and discharging;
the control device 7 controls 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 power grid electric equipment.
The battery group is added between the electric energy dynamic generation group 1 and the electric equipment, the working state of the battery group is controlled by the control device, the unbalanced relation between the electric energy dynamic generation group and the electric energy demand of the electric equipment is regulated, 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 manufacturing enterprises are solved.
The power monitoring device 8 may be a power quality analyzer or a power meter, and the power response request of the consumer is the power consumed by the consumer. 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 steps of,
further comprises:
the grid-connected electric energy conversion device 3 is electrically connected between the electric power utilization equipment of the power grid, the electric energy dynamic generation device and the battery group 2;
the battery power conversion device 4 is electrically connected between the battery group 2 and the power dynamic generation device and grid-connected power conversion device 3;
the grid-connected power conversion device 3 switches the electric connection and the electric disconnection between the power dynamic generation device and the electric network electric equipment through the grid-connected power switching device 5, and the battery power conversion device 4 switches the electric connection and the electric disconnection between the power dynamic generation device and a plurality of batteries included in the battery group 2 through the battery power 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 larger 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 corresponding electric energy dynamic generation device and the electric equipment, so that the electric energy corresponding to the electric equipment response request is supplied to the electric equipment; meanwhile, the battery power switching device 6 is controlled to electrically connect the power dynamic generation device and the corresponding batteries included in the battery group 2, so that the rest power 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 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 battery discharges 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, the signal generation module generates a third control signal to control the electric connection between all the grid-connected electric energy switching devices 5 and the electric equipment, which are adapted to the electric energy response request of the electric equipment, so that the electric energy which is adapted to 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 electric energy dynamic generation devices included in the electric energy dynamic generation group 1 can generate electricity by wind energy, can generate electricity by solar energy, can generate electricity by wind energy partially, can generate electricity by solar energy partially, can generate electricity by other parts, and can generate electricity by any renewable energy source.
Example 2
As shown in fig. 2, the method for controlling switching of multi-network power dynamic conversion according to the present invention is used in the power monitoring control system according to embodiment 1, and specifically includes the following steps:
step S1, monitoring an electric energy response request of the control device 7 for dynamically generating electric energy converted by the group 1 and electric energy of electric equipment in electric energy;
step 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 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, entering a step S4; 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, entering a step S5;
step S3, controlling the grid-connected power conversion device 3 to convert the power which is suitable for the power response request of the power consumption equipment to supply to the power consumption equipment, and simultaneously controlling the battery power conversion device 4 to charge the rest power to the suitable battery;
s4, controlling the grid-connected electric energy conversion device 3 to be fully opened to supply electric energy to 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 electric energy which is suitable for the electric energy response request of the electric equipment to supply to the electric equipment.
And controlling the actions of the grid-connected power conversion device 3 and the battery power conversion device 4 according to the power converted by the power dynamic generation group 1 and the power response request of the electric equipment.
The unbalanced relation between the electric energy dynamic generation group 1 and the electric equipment electric energy response request is regulated 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, so that the effect of stable power supply is achieved.
The control principle of the multi-network electric energy dynamic conversion switching control method provided by the invention is as follows:
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 which is suitable for 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 battery which is suitable for 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 enable the battery to discharge the corresponding electric energy to be supplied 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 to supply to 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 electric energy converted by the electric energy dynamic generation group 1 with the electric energy response request of the electric device, and when the electric energy converted by the electric energy dynamic generation group 1 is greater than the electric energy response request of the electric device, 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 device, so that the electric energy corresponding to the electric energy response request of the electric device is supplied to the electric device; meanwhile, the battery power switching device 6 is controlled to electrically connect the power dynamic generation device and the corresponding batteries included in the battery group 2, so that the rest power 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 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 battery discharges 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, the signal generation module generates a third control signal to control the electric connection between all the grid-connected electric energy switching devices 5 and the electric equipment which are matched, so that the electric energy matched with 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 battery through wires, and switches are arranged on the wires between the electric energy dynamic generation device and the electric equipment and between the electric equipment and the battery. The power switching device 5 and the battery power switching device 6 respectively control the closing of switches between the power dynamic generation device and the electric equipment and between the electric equipment and the battery to control the charge and discharge of the plurality of batteries included in the battery group 2. That is, the electric energy switching device 5 and the battery electric energy switching device 6 are switch switching control devices, for example, the chinese patents ZL201420545995.5, CN02138358.8, CN201911056355.1 disclose specific switch switching control devices, which are prior art and are not described herein.
The system and the method for monitoring and controlling the electric energy provided by the invention are described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (8)
1. An electrical 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;
an electric energy dynamic generation group (1) comprising a plurality of electric energy dynamic generation devices for converting other energy sources into electric energy;
the battery group (2) comprises a plurality of batteries, and the balance of electric energy between the electric equipment and the electric energy dynamic generation device is controlled through charge and discharge;
a control device (7) for controlling the charge and discharge of the plurality of batteries included in the battery group (2) according to the electric energy converted from the electric energy dynamic generation group (1) and the electric energy response request of the electric equipment;
further comprises:
the grid-connected electric energy conversion device (3) is electrically connected between the electric equipment and the electric energy dynamic generation device and between the electric energy dynamic generation device and the battery group (2);
the battery power conversion device (4) is electrically connected between the battery group (2) and the power dynamic generation device and the grid-connected power conversion device (3);
the grid-connected power conversion device (3) is used for switching the electric connection and the electric disconnection between the power dynamic generation device and the electric equipment through the grid-connected power switching device (5), and the battery power conversion device (4) is used for switching the electric connection and the electric disconnection between the power dynamic generation device and a plurality of batteries contained in the battery group (2) through the battery power 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, and 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 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 which are adaptive to each other, so that the electric energy which is adaptive to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery power switching device (6) is controlled to electrically connect the power dynamic generation device and the corresponding batteries included in the battery group (2) so as to charge the residual power to 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 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 battery electric energy switching device (6) to electrically connect the electric equipment and the corresponding batteries included in the battery group (2), so that the battery discharges 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 equal to the electric energy response request of the electric equipment, the signal generation module generates a third control signal to control the electric connection between the electric energy dynamic generation device and the electric equipment which are matched by all grid-connected electric energy switching devices (5), so that the electric energy matched with the electric energy response request of the electric equipment is supplied to the electric equipment.
2. The electric energy monitoring control system according to claim 1, wherein the plurality of electric energy dynamic generation devices included in the electric energy dynamic generation group (1) each generate electric energy using wind energy.
3. The electric energy monitoring control system according to claim 1, wherein the plurality of electric energy dynamic generation devices included in the electric energy dynamic generation group (1) each use solar power generation.
4. The electric energy monitoring and controlling system according to claim 1, wherein the electric energy dynamic generation group (1) comprises a plurality of electric energy dynamic generation devices, one part of which uses wind energy to generate electricity and the other part of which uses solar energy to generate electricity.
5. A method of power monitoring control employing the power monitoring control system of any one of claims 1-4, characterized by: and controlling the charge and discharge of the 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.
6. The power monitoring control method according to claim 5, characterized in that: the charge and discharge of the plurality of batteries included in the battery group (2) are controlled by the actions of the grid-connected power conversion device (3) and the battery power 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 which is suitable for 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 battery which is suitable for 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 enable the battery to discharge the corresponding electric energy to be supplied 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 to supply to the electric equipment.
7. The power monitoring control method according to claim 6, characterized in that: 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 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 which is adaptive to the electric energy response request of the electric equipment is supplied to the electric equipment; meanwhile, the battery power switching device (6) is controlled to electrically connect the power dynamic generation device and the corresponding batteries included in the battery group (2) so as to charge the residual power to 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, controlling all 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 battery electric energy switching device (6) to electrically connect the electric equipment and the corresponding batteries included in the battery group (2), so that the battery discharges 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 equal to the electric energy response request of the electric equipment, controlling the electric connection between the electric energy dynamic generation device and the electric equipment which are matched by all grid-connected electric energy switching devices (5), so that the electric energy which is matched with the electric energy response request of the electric equipment is supplied to the electric equipment.
8. The power monitoring control method according to claim 5, characterized in that: the method specifically comprises the following steps:
step S1, monitoring an electric energy response request of the electric energy and electric equipment converted by the control device (7) in the electric energy dynamic generation group (1);
step S2, judging the magnitude 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 step S3 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; 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, entering a step S4; 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, entering a step S5;
s3, controlling a grid-connected electric energy conversion device (3) to convert electric energy which is suitable for an electric energy response request of electric equipment to be supplied to the electric equipment, and simultaneously controlling a battery electric energy conversion device (4) to charge a battery which is suitable for the residual electric energy;
s4, controlling the grid-connected electric energy conversion device (3) to be fully opened to supply electric energy to 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 electric energy which is suitable for the electric energy response request of the electric equipment to supply to the electric equipment.
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