CN113359649B - Multi-mode energy scheduling method and system for power generation side - Google Patents
Multi-mode energy scheduling method and system for power generation side Download PDFInfo
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Abstract
The invention discloses a multi-mode energy scheduling method of a power generation side.A control unit of the power generation side detects a link state with an internal control center of power scheduling, the control unit of the power generation side sends a heartbeat packet to the internal control center according to a fixed frequency, if the heartbeat packet is lost and when the interval between the time of a last received scheduling scheme and the current time is greater than a first preset value, the control unit of the power generation side works according to the scheduling scheme of historical time; and the power generation side control unit tries to establish new connection in the state of losing connection with the power dispatching internal control center, the power dispatching internal control center compares the scheme made by the power generation side control unit with the dispatching scheme made by the control center at the current moment after reconnection, if the expected result is less than a second preset value, the current working state of the power generation side is kept, and if the expected result is greater than the second preset value, the working state of each power generation unit is adjusted.
Description
Technical Field
The invention relates to the technical field of energy planning, in particular to a method and a system for multi-mode energy scheduling of a power generation side.
Background
The comprehensive energy station integrates the construction of various energy infrastructures such as electric power, heat supply, cold supply and the like in one station space, and the conventional comprehensive energy utilization scheme predicts the planning level annual energy utilization requirement by acquiring the historical energy utilization data of regional comprehensive energy and respectively controls and schedules various energy sources in a plurality of systems; meanwhile, in the traditional information energy system, the parameters and the operation information of the capacity side, the network side and the load side are all transmitted to a cloud server or an internal control center, and are uniformly processed and then transmitted for processing.
In order to relieve the energy pressure, on one hand, the proportion of green clean energy is increased, and on the other hand, the primary energy utilization efficiency is improved in the production and scheduling process, so that unnecessary energy waste is reduced. Therefore, the existing mode of independent planning, independent design and independent operation of each original energy supply system is broken through, the integrated planning design and operation optimization of the social energy system are carried out, and finally, a unified social comprehensive energy supply and utilization system is constructed, so that the step-by-step utilization of primary energy and the unified planning and scheduling of secondary energy such as electric energy, heat energy and the like are realized.
As disclosed in chinese patent ZL 202011468472.1, a multi-energy coupling dispatching system for multi-station fusion type distributed energy station includes: the scheme making module is used for making an energy utilization requirement scheme based on the user requirement and the constraint condition; the information acquisition module is used for acquiring the operation measurement information of the energy equipment and the environment sensing equipment; the data service module is used for storing and calculating the obtained performance coefficient; the operation evaluation module is used for carrying out comprehensive energy supply scheduling on the energy station based on the operation of the energy equipment and the operation measurement information of the environment sensing equipment by combining historical data and a historical scheduling scheme in the database; and the result output module is used for outputting the scheduling scheme and the scheme condition evaluation result.
Obviously, the output scheduling scheme is based on evaluation, which cannot spontaneously perform power regulation on the power generation side, but needs a control center to perform uniform calculation and control, so that the energy scheduling on the power generation side inevitably has hysteresis after the control center is out of line or unexpectedly goes off line. Because, in practical situations, it usually takes a considerable time to establish a connection. When the server or the control center pushes the command, the connection is always kept in a plurality of responses, so that the server can send more data at any time.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention discloses a multi-mode energy scheduling method of a power generation side, which comprises the following steps:
step 1, a power generation side control unit detects a link state with a power dispatching internal control center, the power generation side control unit sends a heartbeat packet to the internal control center according to a fixed frequency, and if reply information of the internal control center is not received in a first specified time period, the power generation side control unit records the time of the last received dispatching scheme;
step 2, when the interval between the time of the scheduling scheme received last time and the current time is larger than a first preset value, the power generation side control unit works according to the scheduling scheme at the historical moment;
and 3, the power generation side control unit tries to establish new connection in a state of losing connection with the power dispatching internal control center, the power dispatching internal control center compares the scheme made by the power generation side control unit with the dispatching scheme made by the control center at the current moment after reconnection, if the expected result is smaller than a second preset value, the current working state of the power generation side is kept, and if the expected result is larger than the second preset value, the working state of each power generation unit is adjusted.
Further, when the multiple power generation units need to be adjusted, the adjustment is performed according to the priority preset in the power generation units, the power generation side control unit obtains the adjustment parameters matched with the respective priorities to be adjusted according to the demand of the power utilization side at the historical time.
Still further, the step 1 further comprises: the power dispatching internal control center comprises a main control server and a standby server, a hot backup mechanism is adopted between the main control server and the standby server, when a reply message of the main control server is not received in a first appointed time period, connection with the standby server controlled by power is tried, the control unit at the power generation side does not change the current power generation mode in the process of new connection, and after a reply message of the standby server is not received in a second appointed time period, the step 2 is carried out.
Still further, the step 3 further comprises: and after the connection is recovered, the control center evaluates the loss of the working mode of the power generation side, generates scheduling modes aiming at a plurality of loss-of-connection states and sets different priorities, and the control unit of the power generation side receives the generated scheduling modes of the loss-of-connection states and selects a new working mode according to the priorities in the next loss-of-connection state.
Furthermore, when the power generation side control unit is in the loss of connection state, the power generation side control unit firstly predicts the necessity of changing the power generation mode at present according to the scheduling mode before loss of connection and the average power utilization side demand state at the same time in history, and then changes the power generation mode after determining that the power generation mode needs to be changed and enters the step 3.
The invention also discloses a system for multi-mode energy scheduling of a power generation side, which comprises a power generation side control unit and a power scheduling internal control center, wherein the power generation side control unit detects the link state with the power scheduling internal control center, the power generation side control unit sends a heartbeat packet to the internal control center according to a fixed frequency, and if no reply information of the internal control center is received in a first specified time period, the power generation side control unit records the time of the scheduling scheme received at the last time; when the interval between the time of the scheduling scheme received last time and the current time is larger than a first preset value, the power generation side control unit works according to the scheduling scheme at the historical moment; and the power generation side control unit tries to establish new connection in a state of losing connection with the power dispatching internal control center, the power dispatching internal control center compares the scheme made by the power generation side control unit with the dispatching scheme made by the control center at the current moment after reconnection, if the expected result is less than a second preset value, the current working state of the power generation side is kept, and if the expected result is greater than the second preset value, the working state of each power generation unit is adjusted.
Preferably, when the multiple power generation units need to be adjusted, the adjustment is performed according to priorities preset in the power generation units, the power generation side control unit obtains adjustment parameters matched with the priorities of the multiple power generation units according to the power consumption demand at the historical time, and the adjustment is performed.
Preferably, the power dispatching internal control center includes a main control server and a backup server, and a hot backup mechanism is used between the main control server and the backup server, when a reply message of the main control server is not received in a first specified time period, connection with the power-controlled backup server is attempted, the power generation side control unit does not change a current power generation mode in a new connection process, and after a reply message of the backup server is not received in a second specified time period, whether self-regulation of the power generation side is needed is determined.
Preferably, after the connection is restored, the control center evaluates the loss of the operating mode of the power generation side, generates scheduling modes for a plurality of loss-of-contact states, and sets different priorities, and the power generation side control unit receives the generated scheduling modes for the loss-of-contact states and selects a new operating mode according to the priorities in the next loss-of-contact state.
Preferably, when the power generation side control unit is in the loss of connection state, the power generation side control unit first predicts the necessity of changing the power generation mode at present according to the scheduling method before loss of connection and the power consumption side demand state averaged at the same time in history, and changes the power generation mode after determining that the power generation mode needs to be changed.
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The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. In the drawings, like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a logic flow diagram of an embodiment of the present invention.
Detailed Description
Example one
The method for multi-mode energy scheduling of the power generation side shown in fig. 1 comprises the following steps:
step 1, a power generation side control unit detects a link state with a power dispatching internal control center, the power generation side control unit sends a heartbeat packet to the internal control center according to a fixed frequency, and if reply information of the internal control center is not received in a first specified time period, the power generation side control unit records the time of a last received dispatching scheme;
step 2, when the interval between the time of the scheduling scheme received last time and the current time is greater than a first preset value, the power generation side control unit works according to the scheduling scheme at the historical moment;
and 3, the power generation side control unit tries to establish new connection in a state of losing connection with the power dispatching internal control center, the power dispatching internal control center compares the scheme made by the power generation side control unit with the dispatching scheme made by the control center at the current moment after reconnection, if the expected result is smaller than a second preset value, the current working state of the power generation side is kept, and if the expected result is larger than the second preset value, the working state of each power generation unit is adjusted.
Further, when the multiple power generation units need to be adjusted, the adjustment is performed according to the priority preset in the power generation units, the power generation side control unit obtains the adjustment parameters matched with the respective priorities to be adjusted according to the demand of the power utilization side at the historical time.
Still further, the step 1 further comprises: the power dispatching internal control center comprises a main control server and a standby server, a hot backup mechanism is adopted between the main control server and the standby server, when a reply message of the main control server is not received in a first appointed time period, connection with the standby server controlled by power is tried, the control unit at the power generation side does not change the current power generation mode in the process of new connection, and after a reply message of the standby server is not received in a second appointed time period, the step 2 is carried out.
Still further, the step 3 further comprises: after connection is recovered, the control center evaluates loss of a working mode of a power generation side, generates scheduling modes aiming at a plurality of loss connection states and sets different priorities, and the power generation side control unit receives the generated scheduling modes of the loss connection states and selects a new working mode according to the priorities in the next loss connection state.
Furthermore, when the power generation side control unit is in the loss of connection state, the power generation side control unit firstly predicts the necessity of changing the power generation mode at present according to the scheduling mode before loss of connection and the average power utilization side demand state at the same time in history, and then changes the power generation mode after determining that the power generation mode needs to be changed and enters the step 3.
Example two
The embodiment describes the inventive concept of the invention from the perspective of hardware, and provides a system for multi-mode energy scheduling at a power generation side, which comprises a power generation side control unit and a power scheduling internal control center, wherein the power generation side control unit detects the link state with the power scheduling internal control center, sends a heartbeat packet to the internal control center according to a fixed frequency, and records the time of a scheduling scheme received last time if reply information of the internal control center is not received within a first specified time period; when the interval between the time of the scheduling scheme received last time and the current time is larger than a first preset value, the power generation side control unit works according to the scheduling scheme at the historical moment; and the power generation side control unit tries to establish new connection under the state of loss of connection with the power dispatching internal control center, the power dispatching internal control center compares the scheme made by the power generation side control unit with the dispatching scheme made by the control center at the current moment after reconnection, if the expected result is less than a second preset value, the current working state of the power generation side is kept, and if the expected result is greater than the second preset value, the working state of each power generation unit is adjusted.
Preferably, when the multiple power generation units need to be adjusted, the adjustment is performed according to priorities preset in the power generation units, the power generation side control unit obtains adjustment parameters matched with the priorities of the multiple power generation units according to the power consumption demand at the historical time, and the adjustment is performed.
Preferably, the power dispatching internal control center includes a main control server and a backup server, and a hot backup mechanism is adopted between the main control server and the backup server, when a reply message of the main control server is not received in a first specified time period, connection with the power-controlled backup server is attempted, the power generation side control unit does not change a current power generation mode in a process of performing new connection, and after a reply message of the backup server is not received in a second specified time period, whether self-regulation of the power generation side is required is determined.
Preferably, after the connection is restored, the control center evaluates the loss of the operating mode of the power generation side, generates scheduling modes for a plurality of loss-of-contact states, and sets different priorities, and the power generation side control unit receives the generated scheduling modes for the loss-of-contact states and selects a new operating mode according to the priorities in the next loss-of-contact state.
Preferably, when the power generation side control unit is in the loss of power, the power generation side control unit first predicts the necessity of changing the power generation mode at present according to a scheduling mode before loss of power and a historical average power consumption side demand state at the same time, and changes the power generation mode after determining that the power generation mode needs to be changed.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. It is therefore intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure in any way whatsoever. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (2)
1. A method for multi-mode energy scheduling of a power generation side is characterized by comprising the following steps:
step 1, a power generation side control unit detects a link state with a power dispatching internal control center, the power generation side control unit sends a heartbeat packet to the internal control center according to a fixed frequency, if reply information of the internal control center is not received in a first specified time period, the power generation side control unit records the time of a last received dispatching scheme, the power dispatching internal control center comprises a main control server and a standby server, a hot backup mechanism is adopted between the main control server and the standby server, when the reply information of the main control server is not received in the first specified time period, connection with a standby server controlled by power is tried, the power generation side control unit does not change a current power generation mode in the process of new connection, and after the reply information of the standby server is not received in a second specified time period, then entering the step 2;
step 2, when the interval between the time of the scheduling scheme received last time and the current time is larger than a first preset value, the power generation side control unit works according to the scheduling scheme at the historical moment, wherein when the power generation side control unit is in an offline state, the necessity of changing the power generation mode is predicted according to the scheduling mode before offline and the average power utilization side demand state at the same historical moment, and when the power generation mode is determined to be changed, the power generation mode is changed, and the step 3 is carried out;
step 3, the power generation side control unit tries to establish new connection in a state of losing connection with the power dispatching internal control center, after reconnection, the power dispatching internal control center compares the scheme made by the power generation side control unit with the dispatching scheme made by the control center at the current moment, if the expected result is smaller than a second preset value, the current working state of the power generation side is kept, and if the expected result is larger than the second preset value, the working state of each power generation unit is adjusted; when the multiple power generation units need to be adjusted, the multiple power generation units are adjusted according to priorities preset in the power generation units, the power generation side control unit obtains adjustment parameters matched with the priorities of the multiple power generation units according to the demand of the power utilization side at the historical moment to adjust, after connection is restored, the control center evaluates and changes loss of a power generation side working mode, generates scheduling modes aiming at multiple loss-of-connection states and sets different priorities, and the power generation side control unit receives the generated scheduling modes of the loss-of-connection states and selects a new working mode according to the priorities in the next loss-of-connection state.
2. A multi-mode energy scheduling system of a power generation side is characterized by comprising a power generation side control unit and a power scheduling internal control center, wherein the power generation side control unit detects the link state with the power scheduling internal control center, the power generation side control unit sends heartbeat packets to the internal control center according to a fixed frequency, if reply information of the internal control center is not received in a first specified time period, the power generation side control unit records the time of a scheduling scheme received last time, the power scheduling internal control center comprises a main control server and a standby server, a hot backup mechanism is adopted between the main control server and the standby server, when the reply information of the main control server is not received in the first specified time period, connection with the standby server of power control is tried, and the power generation side control unit does not change the current power generation mode in the process of new connection, after the standby server reply information is not received in a second specified time period, whether self-regulation control of the power generation side is needed or not is determined; when the interval between the time of the scheduling scheme received last time and the current time is larger than a first preset value, the power generation side control unit works according to the scheduling scheme at the historical moment, when the power generation side control unit is in an offline state, the necessity of changing the power generation mode is predicted according to the scheduling mode before offline and the average power utilization side demand state at the same historical moment, and the power generation mode is changed after the power generation mode is determined to be changed; the power generation side control unit tries to establish new connection under the state of losing connection with the power dispatching internal control center, the power dispatching internal control center compares the scheme made by the power generation side control unit with the dispatching scheme made by the control center at the current moment after reconnection, if the expected result is smaller than a second preset value, the current working state of the power generation side is kept, and if the expected result is larger than the second preset value, the working state of each power generation unit is adjusted; when the multiple power generation units need to be adjusted, the multiple power generation units are adjusted according to priorities preset in the power generation units, the power generation side control unit obtains adjustment parameters matched with the priorities of the multiple power generation units according to the demand of the power utilization side at the historical moment to adjust, after connection is restored, the control center evaluates and changes loss of a power generation side working mode, generates scheduling modes aiming at multiple loss-of-connection states and sets different priorities, and the power generation side control unit receives the generated scheduling modes of the loss-of-connection states and selects a new working mode according to the priorities in the next loss-of-connection state.
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