CN113036763B - Power demand response power supply method and device, electronic equipment and readable storage medium - Google Patents
Power demand response power supply method and device, electronic equipment and readable storage medium Download PDFInfo
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- CN113036763B CN113036763B CN202110562350.7A CN202110562350A CN113036763B CN 113036763 B CN113036763 B CN 113036763B CN 202110562350 A CN202110562350 A CN 202110562350A CN 113036763 B CN113036763 B CN 113036763B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
Abstract
The invention discloses a power demand response power supply method, a power demand response power supply device, electronic equipment and a readable storage medium, wherein the method comprises the following steps: the method comprises the steps of obtaining a voltage value and a current value of a low-voltage main switch at an initial moment, a type of power demand response and peak staggering power of the power demand response, calculating to obtain the maximum peak staggering power of the variable-frequency transformer according to the voltage value and the current value of the low-voltage main switch at the initial moment, judging power demand response conditions of the peak staggering power of the power demand response based on the type of the power demand response to obtain power demand response condition judgment result information, and adjusting the rotating speed of the variable-frequency transformer according to the power demand response condition judgment result information to enable the peak staggering power of the variable-frequency transformer to meet the power demand response. The invention provides a residential district power distribution system and a power supply method, and realizes power demand response with accurate load classification and without changing the original power consumption mode of a user.
Description
Technical Field
The invention relates to the field of emergency command when a distribution network line fails, in particular to a power demand response power supply method, a power demand response power supply device, electronic equipment and a readable storage medium.
Background
With the rapid development of economy and the continuous acceleration of urbanization, intensive high-rise buildings (residential buildings and office buildings) gradually replace old low-rise buildings. Intensive high-rise houses are high in volume ratio and large in number of low-voltage users, and two or more distribution transformers are usually configured to guarantee power supply reliability. The residential electric load is mainly composed of air conditioner, electric water heater and socket load. In summer, the load of the power grid is 30-40% of the peak load, the load of the air conditioner can even reach 50% in the first-line cities such as wide and deep north, and the huge load of the air conditioner causes great impact on the safe and stable operation of the power grid. The air conditioning load has the characteristics of wide application, high power, small negative influence on social production and life and the like, and is a potential power demand response resource.
At present, the loads are not accurately classified in the power demand response, a user is required to judge which type of loads can participate in the power demand response, the efficiency is low, a power supply company or an electricity selling company needs to inform the user of changing the original power consumption mode through communication modes such as short messages and telephones, the enthusiasm of the user for participating in the power demand response is low, and the response speed is low.
Therefore, in order to realize a power demand response that accurately classifies loads and does not require a user to change the original power consumption mode of the user, and solve the technical problems of low enthusiasm, low response speed and low efficiency of the existing power demand response, a power demand response power supply method is urgently needed to be constructed.
Disclosure of Invention
The invention provides a power demand response power supply method and device, electronic equipment and a readable storage medium, and solves the technical problems of low positivity, low response speed and low efficiency of the existing power demand response.
In a first aspect, the present invention provides a power demand response power supply method, including:
step S1, acquiring a voltage value of the low-voltage main switch at the initial moment, a current value of the low-voltage main switch at the initial moment, the type of power demand response and peak staggering power of the power demand response;
step S2, calculating the maximum peak-to-peak power of the variable frequency transformer according to the voltage value of the low-voltage main switch at the initial moment and the current value of the low-voltage main switch at the initial moment;
step S3, based on the type of the power demand response, performing power demand response condition judgment on the peak-to-peak power of the power demand response to obtain power demand response condition judgment result information;
and step S4, adjusting the rotating speed of the variable frequency transformer according to the judgment result information of the power demand response condition, the peak staggering power of the power demand response and the maximum peak staggering power of the variable frequency transformer, so that the peak staggering power of the variable frequency transformer meets the power demand response.
Optionally, the step S1 includes:
step S11, adjusting the state of the variable frequency transformer to be a static state and adjusting the state of the low-voltage main switch to be a conducting state;
step S12, obtaining a voltage value of the low-voltage main switch at the initial time, a current value of the low-voltage main switch at the initial time, a type of the power demand response, and peak-to-peak power of the power demand response.
Optionally, the types of power demand responses include flexible power demand responses and rigid power demand responses; the step S3 includes:
step S31a, when the type of the power demand response is flexible power demand response, determining whether the peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable frequency transformer;
if so, determining that the maximum peak-staggering power of the variable frequency transformer can be achieved by adjusting the peak-staggering power peak-staggering rate of the variable frequency transformer, so as to meet the power demand response;
if not, determining that the power demand response can be met by adjusting the peak staggering rate of the variable frequency transformer;
step S31b, when the type of the power demand response is a rigid power demand response, determining whether peak staggering power of the power demand response is greater than maximum peak staggering power of the variable frequency transformer;
if not, determining that the power demand response can be met by adjusting the peak staggering rate of the variable frequency transformer;
if so, determining that the power demand response cannot be met by adjusting the peak staggering rate of the variable frequency transformer;
optionally, the step S4 includes:
and step S4a, when determining that the peak staggering rate of the variable frequency transformer can be adjusted to meet the power demand response, determining that the peak staggering power of the variable frequency transformer after the rotating speed is increased meets the power demand response by increasing the rotating speed of the variable frequency transformer and enabling the peak staggering power of the variable frequency transformer after the rotating speed is increased to be equal to the maximum peak staggering power of the variable frequency transformer.
Step S4b, when determining that the peak staggering rate of the variable frequency transformer can be adjusted to meet the power demand response, determining that the peak staggering power of the variable frequency transformer after the rotating speed is increased meets the power demand response by increasing the rotating speed of the variable frequency transformer and enabling the peak staggering power of the variable frequency transformer after the rotating speed is increased to be equal to the peak staggering power of the power demand response;
and step S4c, when determining that the peak staggering rate of the variable frequency transformer cannot meet the power demand response through adjustment, determining that the peak staggering power of the variable frequency transformer after all the adjustable loads are cut off meets the power demand response and meets the power demand response by cutting off all the adjustable loads and adjusting the state of the low-voltage main switch to be in an off state.
In a second aspect, the present invention provides a power demand response supply apparatus comprising:
the acquisition module is used for acquiring a voltage value of the low-voltage main switch at the initial moment, a current value of the low-voltage main switch at the initial moment, the type of power demand response and peak staggering power of the power demand response;
the calculation module is used for calculating the maximum peak-to-peak power of the variable frequency transformer according to the voltage value of the low-voltage main switch at the initial moment and the current value of the low-voltage main switch at the initial moment;
the judging module is used for judging the power demand response condition of the peak-staggered power of the power demand response based on the type of the power demand response to obtain the judgment result information of the power demand response condition;
and the adjusting module is used for adjusting the rotating speed of the variable frequency transformer according to the judgment result information of the power demand response condition, the peak staggering power of the power demand response and the maximum peak staggering power of the variable frequency transformer, so that the peak staggering power of the variable frequency transformer meets the power demand response.
Optionally, the obtaining module includes:
the initial submodule is used for adjusting the state of the variable frequency transformer to be in a static state and adjusting the state of the low-voltage main switch to be in a conducting state;
and the obtaining submodule is used for obtaining a voltage value of the low-voltage main switch at the initial moment, a current value of the low-voltage main switch at the initial moment, the type of the power demand response and the peak staggering power of the power demand response.
Optionally, the types of power demand responses include flexible power demand responses and rigid power demand responses; the judging module comprises:
the first judgment submodule is used for judging whether peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable-frequency transformer or not when the type of the power demand response is flexible power demand response; if yes, executing a first determining submodule; if not, executing a second determining submodule;
the first determining submodule is used for determining that the maximum peak-staggering power of the variable frequency transformer can be achieved by adjusting the peak-staggering power peak-staggering rate of the variable frequency transformer, and the power demand response is met;
a second determining submodule for determining that a power demand response can be satisfied by adjusting a peak staggering rate of the variable frequency transformer;
the second judging submodule is used for judging whether peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable-frequency transformer or not when the type of the power demand response is rigid power demand response; if not, executing a second determining submodule; if not, executing a third determining submodule;
a third determining submodule, configured to determine that a power demand response cannot be met by adjusting a peak staggering rate of the variable frequency transformer;
optionally, the adjusting module comprises:
and the first adjusting submodule is used for increasing the rotating speed of the variable frequency transformer and enabling the peak offset power of the variable frequency transformer after the rotating speed is increased to be equal to the maximum peak offset power of the variable frequency transformer when the fact that the peak offset rate of the variable frequency transformer can be adjusted to meet the power demand response is determined, and the peak offset power of the variable frequency transformer after the rotating speed is increased is determined to meet the power demand response.
The second adjusting submodule is used for increasing the rotating speed of the variable frequency transformer and enabling the peak offset power of the variable frequency transformer after the rotating speed is increased to be equal to the peak offset power of the power demand response when the fact that the peak offset rate of the variable frequency transformer can be adjusted to meet the power demand response is determined, and the peak offset power of the variable frequency transformer after the rotating speed is increased is determined to meet the power demand response;
and the cutting sub-module is used for cutting all adjustable loads and adjusting the state of the low-voltage main switch to be in an off state when the fact that the peak staggering rate of the variable-frequency transformer cannot meet the power demand response is determined, and the cut peak staggering power of the variable-frequency transformer meets the power demand response and meets the power demand response after all the adjustable loads are cut.
In a third aspect, the present invention provides an electronic device comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implement the steps of the method according to the first aspect.
In a fourth aspect, the present invention provides a readable storage medium on which is stored a program or instructions which, when executed by a processor, performs the steps of the method according to the first aspect.
According to the technical scheme, the invention has the following advantages: the invention provides a power demand response power supply method, which comprises the steps of obtaining a voltage value of a low-voltage main switch at an initial moment, a current value of the low-voltage main switch at the initial moment, the type of power demand response and peak staggering power of the power demand response through a step S1, calculating to obtain the maximum peak staggering power of a variable-frequency transformer according to the voltage value of the low-voltage main switch at the initial moment and the current value of the low-voltage main switch at the initial moment through a step S2, carrying out power demand response condition judgment on the peak staggering power of the power demand response based on the type of the power demand response to obtain power demand response condition judgment result information, regulating the rotating speed of the variable-frequency transformer according to the power demand response condition judgment result information, the peak staggering power of the power demand response and the maximum peak staggering power of the variable-frequency transformer through a step S3, the peak-shifted power of the variable frequency transformer meets the requirement for power demand response regulation and control, and the power demand response which accurately classifies loads and does not need a user to change the original power consumption mode is realized by providing a residential district power distribution system and a power supply method.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a flowchart illustrating a first embodiment of a power demand response power supply method according to the present invention;
FIG. 2 is a flowchart illustrating a second embodiment of a power demand response power supply method according to the present invention;
FIG. 3 is a block diagram of a residential community power distribution system in an embodiment of the present invention;
fig. 4 is a block diagram of an embodiment of a power demand response power supply apparatus according to the invention.
Detailed Description
The embodiment of the invention provides a power demand response power supply method, a power demand response power supply device, electronic equipment and a readable storage medium, which are used for solving the technical problems of low positivity, low response speed and low efficiency of the existing power demand response.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a first embodiment, referring to fig. 1, fig. 1 is a flowchart of a first embodiment of a power demand response power supply method according to the present invention, including:
step S101, acquiring a voltage value of a low-voltage main switch at an initial moment, a current value of the low-voltage main switch at the initial moment, the type of power demand response and peak staggering power of the power demand response;
in the embodiment of the invention, the state of the variable frequency transformer is adjusted to be in a static state, the state of the low-voltage main switch is adjusted to be in a conducting state, and the voltage value of the low-voltage main switch at the initial moment, the current value of the low-voltage main switch at the initial moment, the type of power demand response and the peak-shifting power of the power demand response are obtained
Step S102, calculating to obtain the maximum peak-to-peak power of the variable frequency transformer according to the voltage value of the low-voltage main switch at the initial moment and the current value of the low-voltage main switch at the initial moment;
step S103, based on the type of the power demand response, performing power demand response condition judgment on peak-to-peak power of the power demand response to obtain power demand response condition judgment result information.
The power demand response means that the power consumer temporarily changes its own power usage pattern according to dynamic changes of power price and power policy, and responds to power supply by reducing or shifting power consumption load for a certain period of time, thereby ensuring the stability of the power system. The power demand response is an important component of the smart power grid, and plays an important role in saving power grid investment, increasing power grid peak regulation capability, improving distribution network asset utilization rate, improving power system reliability and the like.
And step S104, adjusting the rotating speed of the variable frequency transformer according to the judgment result information of the power demand response condition, the peak staggering power of the power demand response and the maximum peak staggering power of the variable frequency transformer, so that the peak staggering power of the variable frequency transformer meets the regulation and control of the power demand response.
In the power demand response power supply method provided by the embodiment of the invention, through the step S101, the voltage value of the initial time low-voltage main switch, the current value of the initial time low-voltage main switch, the type of the power demand response and the peak offset power of the power demand response are obtained, the step S102 is to calculate the maximum peak offset power of the variable frequency transformer according to the voltage value of the initial time low-voltage main switch and the current value of the initial time low-voltage main switch, the step S103 is to judge the peak offset power of the power demand response according to the type of the power demand response to obtain the judgment result information of the power demand response condition, the step S104 is to adjust the rotation speed of the variable frequency transformer according to the judgment result information of the power demand response condition, the peak offset power of the power demand response and the maximum peak offset power of the variable frequency transformer, the peak-shifted power of the variable frequency transformer meets the requirement for power demand response regulation and control, and the power demand response which accurately classifies loads and does not need a user to change the original power consumption mode is realized by providing a residential district power distribution system and a power supply method.
In a second embodiment, please refer to fig. 2, fig. 2 is a flowchart of a power demand response power supply method of the present invention, the method is applied to a residential quarter power distribution system, fig. 3 is a block diagram of a residential quarter power distribution system according to an embodiment of the present invention, where 301 is a first medium voltage circuit breaker, 302 is a second medium voltage circuit breaker, 303 is a distribution transformer, 304 is a variable frequency transformer, 305 is a thyristor, 306 is a first low voltage main switch, 307 is a second low voltage main switch, 308 is a constant voltage constant frequency bus, 309 is a variable voltage variable frequency bus, 310 is a first low voltage shunt switch, 311 is a second low voltage shunt switch, 312 is a third low voltage shunt switch, 313 is a fourth low voltage shunt switch, 314 is a fifth low voltage shunt switch, 315 is a sixth low voltage shunt switch, 316, 317 is an unadjustable load, 318 is a capacitor, 319, 320 are loads adjustable, and, 321 is a capacitor, 322 is a medium voltage bus; the method specifically comprises the following steps:
step S201, adjusting the state of the variable frequency transformer 304 to be a static state, and adjusting the state of the low-voltage main switch to be a conducting state;
in the embodiment of the present invention, the state of the variable frequency transformer 304 is adjusted to be a static state, and the state of the low voltage main switch is adjusted to be a conducting state;
step S202, acquiring a voltage value of a low-voltage main switch at an initial moment, a current value of the low-voltage main switch at the initial moment, the type of power demand response and peak staggering power of the power demand response;
step S203, calculating to obtain the maximum peak-to-peak power of the variable frequency transformer 304 according to the voltage value of the low-voltage main switch at the initial moment and the current value of the low-voltage main switch at the initial moment;
in the embodiment of the invention, the maximum peak-to-peak power of the variable frequency transformer 304 is calculated and obtained through the acquired voltage value of the low-voltage main switch at the initial moment and the acquired current value of the low-voltage main switch at the initial moment; the maximum peak-to-peak power of the variable frequency transformer is used for judging the response of meeting the power demand.
Step S204, based on the type of the power demand response, performing power demand response condition judgment on peak-to-peak power of the power demand response to obtain power demand response condition judgment result information;
in an optional embodiment, the types of power demand responses include flexible power demand responses and rigid power demand responses; the step S204 includes:
step S204a, when the type of the power demand response is a flexible power demand response, determining whether the peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable frequency transformer;
if so, determining that the maximum peak-staggering power of the variable frequency transformer can be achieved by adjusting the peak-staggering power peak-staggering rate of the variable frequency transformer, so as to meet the power demand response;
if not, determining that the power demand response can be met by adjusting the peak staggering rate of the variable frequency transformer;
step S204b, when the type of the power demand response is rigid power demand response, determining whether the peak offset power of the power demand response is larger than the maximum peak offset power of the variable frequency transformer;
if not, determining that the power demand response can be met by adjusting the peak staggering rate of the variable frequency transformer;
and if so, determining that the power demand response cannot be met by adjusting the peak staggering rate of the variable frequency transformer.
In the embodiment of the invention, the peak-to-peak power of the power demand response is subjected to power demand response condition judgment, and different types of power demand response are based on different types of power demand response to obtain different pieces of power demand response condition judgment result information.
Step S205, adjusting the rotation speed of the variable frequency transformer 304 according to the electric power demand response condition determination result information, the peak offset power of the electric power demand response, and the maximum peak offset power of the variable frequency transformer 304, so that the peak offset power of the variable frequency transformer 304 satisfies the electric power demand response;
in an alternative embodiment, the step S205 includes:
in step S205a, when it is determined that the power demand response can be satisfied by adjusting the peak staggering rate of the variable frequency transformer 304, the peak staggering power of the variable frequency transformer 304 after the rotation speed is increased is determined to satisfy the power demand response by increasing the rotation speed of the variable frequency transformer 304 and making the peak staggering power of the variable frequency transformer 304 after the rotation speed is increased equal to the maximum peak staggering power of the variable frequency transformer 304.
Step S205b, when it is determined that the power demand response can be satisfied by adjusting the peak staggering rate of the variable frequency transformer 304, determining that the peak staggering power of the variable frequency transformer 304 after the rotation speed is increased satisfies the power demand response by increasing the rotation speed of the variable frequency transformer 304 and making the peak staggering power of the variable frequency transformer 304 after the rotation speed is increased equal to the peak staggering power of the power demand response;
step S205c, when it is determined that the power demand response cannot be satisfied by adjusting the peak staggering rate of the variable frequency transformer 304, determining that the peak staggering power of the variable frequency transformer after removing all the adjustable loads satisfies the power demand response and satisfies the power demand response by removing all the adjustable loads and adjusting the state of the low-voltage main switch to the off state.
In the embodiment of the invention, the rotating speed of the variable frequency transformer is adjusted according to the information of the judgment result of the power demand response condition, so that the peak shifting power of the variable frequency transformer meets the power demand response.
In the power demand response power supply method provided in the embodiment of the present invention, through step S1, a voltage value of an initial time low-voltage main switch, a current value of the initial time low-voltage main switch, a type of a power demand response, and a peak offset power of the power demand response are obtained, step S2 is performed to calculate a maximum peak offset power of a variable frequency transformer according to the voltage value of the initial time low-voltage main switch and the current value of the initial time low-voltage main switch, step S3 is performed to perform a power demand response condition judgment on the peak offset power of the power demand response based on the type of the power demand response to obtain a power demand response condition judgment result information, step S4 is performed to adjust a rotation speed of the variable frequency transformer according to the power demand response condition judgment result information, the peak offset power of the power demand response, and the maximum peak offset power of the variable frequency transformer, the peak-shifted power of the variable frequency transformer meets the requirement for power demand response regulation and control, and the power demand response which accurately classifies loads and does not need a user to change the original power consumption mode is realized by providing a residential district power distribution system and a power supply method.
Referring to fig. 4, fig. 4 is a block diagram of an embodiment of a power demand response power supply apparatus according to the present invention, including:
the obtaining module 401 is configured to obtain a voltage value of the low-voltage main switch at an initial time, a current value of the low-voltage main switch at the initial time, a type of power demand response, and peak-to-peak power of the power demand response;
a calculating module 402, configured to calculate a maximum peak-to-peak power that can be shifted of the variable frequency transformer according to the voltage value of the initial low-voltage main switch and the current value of the initial low-voltage main switch;
a determining module 403, configured to perform power demand response condition determination on peak-to-peak power of the power demand response based on the type of the power demand response, to obtain power demand response condition determination result information;
and an adjusting module 404, configured to adjust a rotation speed of the variable frequency transformer according to the information of the determination result of the power demand response condition, the peak shifting power of the power demand response, and the maximum peak shifting power of the variable frequency transformer, so that the peak shifting power of the variable frequency transformer meets the power demand response.
Optionally, the obtaining module 401 includes:
the initial submodule is used for adjusting the state of the variable frequency transformer to be in a static state and adjusting the state of the low-voltage main switch to be in a conducting state;
and the obtaining submodule is used for obtaining a voltage value of the low-voltage main switch at the initial moment, a current value of the low-voltage main switch at the initial moment, the type of the power demand response and the peak staggering power of the power demand response.
Optionally, the types of power demand responses include flexible power demand responses and rigid power demand responses; the determining module 403 includes:
the first judgment submodule is used for judging whether peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable-frequency transformer or not when the type of the power demand response is flexible power demand response; if yes, executing a first determining submodule; if not, executing a second determining submodule;
the first determining submodule is used for determining that the maximum peak-staggering power of the variable frequency transformer can be achieved by adjusting the peak-staggering power peak-staggering rate of the variable frequency transformer, and the power demand response is met;
a second determining submodule for determining that a power demand response can be satisfied by adjusting a peak staggering rate of the variable frequency transformer;
the second judging submodule is used for judging whether peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable-frequency transformer or not when the type of the power demand response is rigid power demand response; if not, executing a second determining submodule; if not, executing a third determining submodule;
a third determining submodule, configured to determine that a power demand response cannot be met by adjusting a peak staggering rate of the variable frequency transformer;
optionally, the adjusting module 404 includes:
and the first adjusting submodule is used for increasing the rotating speed of the variable frequency transformer and enabling the peak offset power of the variable frequency transformer after the rotating speed is increased to be equal to the maximum peak offset power of the variable frequency transformer when the fact that the peak offset rate of the variable frequency transformer can be adjusted to meet the power demand response is determined, and the peak offset power of the variable frequency transformer after the rotating speed is increased is determined to meet the power demand response.
The second adjusting submodule is used for increasing the rotating speed of the variable frequency transformer and enabling the peak offset power of the variable frequency transformer after the rotating speed is increased to be equal to the peak offset power of the power demand response when the fact that the peak offset rate of the variable frequency transformer can be adjusted to meet the power demand response is determined, and the peak offset power of the variable frequency transformer after the rotating speed is increased is determined to meet the power demand response;
and the cutting sub-module is used for cutting all adjustable loads and adjusting the state of the low-voltage main switch to be in an off state when the fact that the peak staggering rate of the variable-frequency transformer cannot meet the power demand response is determined, and the cut peak staggering power of the variable-frequency transformer meets the power demand response and meets the power demand response after all the adjustable loads are cut.
An embodiment of the present invention further provides an electronic device, which includes a memory and a processor, where the memory stores a computer program, and when the computer program is executed by the processor, the processor executes the steps of the power demand response power supply method according to any of the above embodiments.
The embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by the processor, the power demand response power supply method according to any of the above embodiments is implemented.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the method, apparatus, electronic device and readable storage medium disclosed in the present invention can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a readable storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned readable storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A power demand response power supply method, comprising:
step S1, acquiring a voltage value of the low-voltage main switch at the initial moment, a current value of the low-voltage main switch at the initial moment, the type of power demand response and peak staggering power of the power demand response;
step S2, calculating the maximum peak-to-peak power of the variable frequency transformer according to the voltage value of the low-voltage main switch at the initial moment and the current value of the low-voltage main switch at the initial moment;
step S3, based on the type of the power demand response, performing power demand response condition judgment on the peak-to-peak power of the power demand response to obtain power demand response condition judgment result information;
step S4, adjusting the rotating speed of the variable frequency transformer according to the judgment result information of the power demand response condition, the peak staggering power of the power demand response and the maximum peak staggering power of the variable frequency transformer, so that the peak staggering power of the variable frequency transformer meets the power demand response;
the types of power demand responses include flexible power demand responses and rigid power demand responses; the step S3 includes:
step S31a, when the type of the power demand response is flexible power demand response, determining whether the peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable frequency transformer;
if so, determining that the maximum peak-staggering power of the variable frequency transformer can be achieved by adjusting the peak-staggering power peak-staggering rate of the variable frequency transformer, so as to meet the power demand response;
if not, determining that the power demand response can be met by adjusting the peak staggering rate of the variable frequency transformer;
step S31b, when the type of the power demand response is a rigid power demand response, determining whether peak staggering power of the power demand response is greater than maximum peak staggering power of the variable frequency transformer;
if not, determining that the power demand response can be met by adjusting the peak staggering rate of the variable frequency transformer;
if so, determining that the power demand response cannot be met by adjusting the peak staggering rate of the variable frequency transformer;
the step S4 includes:
step S4a, when determining that the peak staggering rate of the variable frequency transformer can be adjusted to meet the power demand response, determining that the peak staggering power of the variable frequency transformer after the rotating speed is increased meets the power demand response by increasing the rotating speed of the variable frequency transformer and enabling the peak staggering power of the variable frequency transformer after the rotating speed is increased to be equal to the maximum peak staggering power of the variable frequency transformer;
step S4b, when determining that the peak staggering rate of the variable frequency transformer can be adjusted to meet the power demand response, determining that the peak staggering power of the variable frequency transformer after the rotating speed is increased meets the power demand response by increasing the rotating speed of the variable frequency transformer and enabling the peak staggering power of the variable frequency transformer after the rotating speed is increased to be equal to the peak staggering power of the power demand response;
and step S4c, when determining that the peak staggering rate of the variable frequency transformer cannot meet the power demand response through adjustment, determining that the peak staggering power of the variable frequency transformer after all the adjustable loads are cut off meets the power demand response and meets the power demand response by cutting off all the adjustable loads and adjusting the state of the low-voltage main switch to be in an off state.
2. The electric power demand response power supply method according to claim 1, wherein the step S1 includes:
step S11, adjusting the state of the variable frequency transformer to be a static state and adjusting the state of the low-voltage main switch to be a conducting state;
step S12, obtaining a voltage value of the low-voltage main switch at the initial time, a current value of the low-voltage main switch at the initial time, a type of the power demand response, and peak-to-peak power of the power demand response.
3. An electric power demand-responsive power supply device, comprising:
the acquisition module is used for acquiring a voltage value of the low-voltage main switch at the initial moment, a current value of the low-voltage main switch at the initial moment, the type of power demand response and peak staggering power of the power demand response;
the calculation module is used for calculating the maximum peak-to-peak power of the variable frequency transformer according to the voltage value of the low-voltage main switch at the initial moment and the current value of the low-voltage main switch at the initial moment;
the judging module is used for judging the power demand response condition of the peak-staggered power of the power demand response based on the type of the power demand response to obtain the judgment result information of the power demand response condition;
the adjusting module is used for adjusting the rotating speed of the variable frequency transformer according to the judgment result information of the power demand response condition, the peak staggering power of the power demand response and the maximum peak staggering power of the variable frequency transformer, so that the peak staggering power of the variable frequency transformer meets the power demand response;
the types of power demand responses include flexible power demand responses and rigid power demand responses; the judging module comprises:
the first judgment submodule is used for judging whether peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable-frequency transformer or not when the type of the power demand response is flexible power demand response; if yes, executing a first determining submodule; if not, executing a second determining submodule;
the first determining submodule is used for determining that the maximum peak-staggering power of the variable frequency transformer can be achieved by adjusting the peak-staggering power peak-staggering rate of the variable frequency transformer, and the power demand response is met;
a second determining submodule for determining that a power demand response can be satisfied by adjusting a peak staggering rate of the variable frequency transformer;
the second judging submodule is used for judging whether peak staggering power of the power demand response is larger than the maximum peak staggering power of the variable-frequency transformer or not when the type of the power demand response is rigid power demand response; if not, executing a second determining submodule; if not, executing a third determining submodule;
a third determining submodule, configured to determine that a power demand response cannot be met by adjusting a peak staggering rate of the variable frequency transformer;
the adjustment module includes:
the first adjusting submodule is used for increasing the rotating speed of the variable frequency transformer and enabling the peak offset power of the variable frequency transformer after the rotating speed is increased to be equal to the maximum peak offset power of the variable frequency transformer when the fact that the peak offset rate of the variable frequency transformer can be adjusted to meet the power demand response is determined, and the peak offset power of the variable frequency transformer after the rotating speed is increased to meet the power demand response;
the second adjusting submodule is used for increasing the rotating speed of the variable frequency transformer and enabling the peak offset power of the variable frequency transformer after the rotating speed is increased to be equal to the peak offset power of the power demand response when the fact that the peak offset rate of the variable frequency transformer can be adjusted to meet the power demand response is determined, and the peak offset power of the variable frequency transformer after the rotating speed is increased is determined to meet the power demand response;
and the cutting sub-module is used for cutting all adjustable loads and adjusting the state of the low-voltage main switch to be in an off state when the fact that the peak staggering rate of the variable-frequency transformer cannot meet the power demand response is determined, and the cut peak staggering power of the variable-frequency transformer meets the power demand response and meets the power demand response after all the adjustable loads are cut.
4. The power demand response power supply apparatus of claim 3, wherein the obtaining module comprises:
the initial submodule is used for adjusting the state of the variable frequency transformer to be in a static state and adjusting the state of the low-voltage main switch to be in a conducting state;
and the obtaining submodule is used for obtaining a voltage value of the low-voltage main switch at the initial moment, a current value of the low-voltage main switch at the initial moment, the type of the power demand response and the peak staggering power of the power demand response.
5. An electronic device comprising a processor and a memory, the memory storing computer readable instructions that, when executed by the processor, perform the method of any of claims 1-2.
6. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the method according to any of claims 1-2.
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