CN113778521A - Power grid demand instruction processing method, electronic device and storage medium - Google Patents

Power grid demand instruction processing method, electronic device and storage medium Download PDF

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CN113778521A
CN113778521A CN202111065902.XA CN202111065902A CN113778521A CN 113778521 A CN113778521 A CN 113778521A CN 202111065902 A CN202111065902 A CN 202111065902A CN 113778521 A CN113778521 A CN 113778521A
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grid demand
power grid
demand instruction
instruction
translated
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CN113778521B (en
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苏卓
曾凯文
刘嘉宁
王可
杜斌
林斌
段秦尉
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Guangdong Power Grid Co Ltd
Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd
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Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd
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    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
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    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
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Abstract

The application discloses a processing method of a power grid demand instruction, electronic equipment and a storage medium, wherein the method comprises the following steps: extracting a power grid demand instruction according to a preset instruction fetching period; translating the extracted power grid demand instruction by using an instruction decoder; decomposing the translated power grid demand instruction to improve the transmission quality of the power grid demand instruction; receiving the decomposed power grid demand instruction, and transmitting the power grid demand instruction to corresponding power supply equipment to enable the power supply equipment to work; and storing the sent and received power grid demand instructions, and counting by using an accumulator. The translated power grid demand instruction is decomposed to evaluate the integrity of the transmitted translated power grid demand instruction, so that the expected value of the translated power grid demand instruction is more real.

Description

Power grid demand instruction processing method, electronic device and storage medium
Technical Field
The application relates to the technical field of smart power grids, in particular to a processing method of a power grid demand instruction, electronic equipment and a storage medium.
Background
With the increasing number of electrical components, and the demand of the electrical components for power in the power grid is higher and higher nowadays, for example, a power supply device needs to be controlled by a power grid demand instruction, wherein an integral body of a substation and a power transmission and distribution line of various voltages in the power supply device, called as a power grid, includes three units of power transformation, power transmission and power distribution, so as to transmit electric energy to the electrical component sending the power grid demand instruction, and change the voltage to adapt to the rated voltage of the corresponding electrical component, thereby improving the efficiency of power supply.
However, in the process of transmitting the power grid demand instruction, the integrity of the transmission cannot be evaluated, so that an error instruction is sent out, an error power supply line is formed, and the accuracy of power supply is greatly reduced.
Disclosure of Invention
The application provides a processing method of a power grid demand instruction, an electronic device and a storage medium, which are used for solving the problem that the power grid demand instruction transmitted in the prior art is wrong but cannot be evaluated.
In order to solve the technical problem, the present application provides a method for processing a power grid demand instruction, including: extracting a power grid demand instruction according to a preset instruction fetching period; translating the extracted power grid demand instruction by using an instruction decoder; decomposing the translated power grid demand instruction to improve the transmission quality of the power grid demand instruction; receiving the decomposed power grid demand instruction, and transmitting the power grid demand instruction to corresponding power supply equipment to enable the power supply equipment to work; and storing the sent and received power grid demand instructions, and counting by using an accumulator.
In order to solve the above technical problem, the present application provides an electronic device, which includes a memory and a processor, where the memory is connected to the processor, and the memory stores a computer program, and the computer program is executed by the processor to implement the above processing method for the grid demand instruction.
In order to solve the above technical problem, the present application provides a computer-readable storage medium storing a computer program, which when executed, implements the method for processing the grid demand instruction.
The application provides a processing method of a power grid demand instruction, an electronic device and a storage medium, the power grid demand instruction is extracted through a preset instruction fetching period, the power grid demand instruction is translated, and then the translated power grid demand instruction is decomposed to evaluate the integrity of the transmitted translated power grid demand instruction, so that the expected value of the translated power grid demand instruction is more real.
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In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flowchart of an embodiment of a method for processing a grid demand instruction according to the present application;
FIG. 2 is a schematic diagram of one embodiment of translation logic according to the present application;
FIG. 3 is a schematic diagram of the operation of an embodiment of the GRO-based TDC of the present application;
FIG. 4 is a schematic structural diagram of an embodiment of an electronic device of the present application;
FIG. 5 is a schematic structural diagram of an embodiment of a computer-readable storage medium of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present application, the following describes in detail a processing method, an electronic device, and a storage medium for a grid demand instruction provided by the present application with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 1 is a schematic flowchart of an embodiment of a processing method for a power grid demand instruction in the present application, where in this embodiment, the processing method for the power grid demand instruction may include steps S110 to S150, and each step is as follows:
s110: and extracting the power grid demand instruction according to a preset instruction fetching period.
Inputting the address code of the power grid demand instruction into a register, and converting the address code of the power grid demand instruction into a control signal by using an A/D converter; the control unit sends out a control signal, starts the accumulator to count and outputs an instruction-taking period.
S120: and translating the extracted power grid demand instruction by using an instruction decoder.
Inputting the translation logic circuit to the binary code; and translating the power grid demand instruction into a corresponding output signal, and outputting.
It is worth to be noted that the translation logic circuit combines the min terms output by the n-bit binary decoder, and then obtains a combination function of any form of power grid demand instruction output signal not greater than n:
Y=∑mi
wherein m is an output signal of a power grid demand instruction; i is the number of output signals not greater than n;
referring to FIG. 2, the specific translation logic is shown, wherein the output logic function of the 74HC138 instruction decoder is:
Z1=AC’+A’BC+AB’C;
Z2=BC+A’B’C;
Z3=A’B+AB’C;
Z4=A’BC’+B’C’+ABC;
then deducing from the translation logic:
Z1=AC’+A’BC+AB’C=∑mi(i=3,4,5,6);
Z2=BC+A’B’C=∑mi(i=1,3,7);
Z3=A’B+AB’C=∑mi(i=2,3,5);
Z4=A’BC’+B’C’+ABC=∑mi(i=0,2,4,7)。
s130: and decomposing the translated power grid demand instruction so as to improve the transmission quality of the power grid demand instruction.
Performing quality prediction and quality evaluation on the translated power grid demand instruction to ensure the integrity of the translated power grid demand instruction before transmission; monitoring the translated power grid demand instruction in the transmission process in real time, finding out the translated power grid demand instruction with failed transmission, marking the translated power grid demand instruction, and feeding the power grid demand instruction back to the processor; and the processor receives the feedback signal and extracts the translated power grid demand instruction with failed transmission to perform integrity repair so as to protect the translated power grid demand instruction.
The quality prediction and quality evaluation of the translated power grid demand instruction is performed to ensure the integrity of the translated power grid demand instruction before transmission, and the method comprises the following steps: smoothing the transmitted translated power grid demand instruction by using a weighted exponential averaging method; and calculating the expectation of the transmission success times of the translated power grid demand instruction in the transmission link by utilizing the uplink SPRR and the downlink SPRR of the transmission link so as to form quality evaluation.
The formula of the weighted exponential averaging method is as follows:
SPRRn(ω,α)=α·SPRRn-1+(1-α)PRRn
wherein, SPRRn-1Commanding a quality prediction value of a historical transmission link for the translated power grid demand; PRRnQuality prediction of translated power grid demand instruction current transmission linkA value; SPRRnThe quality prediction value of the transmission link at the next moment is instructed for the translated power grid requirement; omega is the translated sampling time of the power grid demand instruction; alpha is a weight.
In addition, a moving window is adopted in the weighted index averaging method, the predicted value SPRR is only related to the measured value in the window, the change trend of the link quality along with the time lapse is fully reflected, different weights are given to the measured value SPRR at different times by the weighted index averaging method, so that the timeliness of the predicted value SPRR is improved, and the expected value of the translated power grid demand instruction is more real; the weighted exponential averaging method only needs to store 4 pieces of power grid demand instruction data, so that the storage amount of the power grid demand instruction data is reduced.
It is worth noting that the historical translated grid demand instructions required for estimation are all embodied in the SPRRn-1Where α ∈ (0, 1) is responsible for controlling the degree of contribution of the history value to the current value, α can be used to adjust the sensitivity of the prediction algorithm to changes in link quality. If alpha increases, SPRRn-1For SPRRnThe contribution of (1) is also increased, and the SPRR is predictednWill become smooth but real-time will be reduced; if α decreases, SPRRn-1For SPRRnThe contribution of (A) is also reduced, and the value SPRR is predictednThe change of the signal becomes sensitive, and the real-time performance is enhanced; at the same time, the size ω of the moving window is set to SPRRnTherefore, the less the number of window samples, the more sensitive the prediction of the link quality and the lower the accuracy; the number of window samples is too large, the contribution degree of historical samples in prediction is larger, and the real-time performance of a prediction algorithm cannot be reflected.
The calculating the expectation of the transmission success times of the translated power grid demand instruction in the transmission link by using the uplink SPRR and the downlink SPRR of the transmission link to form the quality evaluation comprises the following steps: defining a successful translated power grid demand instruction transceiving process; calculating the expectation of successful transmission times by utilizing the uplink packet receiving rate, the downlink packet receiving rate and the bidirectional packet receiving rate of a transmission link, wherein the calculation formula is as follows:
Figure BDA0003256921780000041
SPRRu-da bi-directional packet reception rate for the transmission link; SPRRupThe uplink packet receiving rate of the transmission link; SPRRdownThe downlink packet receiving rate of the transmission link; A-ETC is a expectation of the number of successful transmissions.
The PRR obtained after window sampling is subjected to smoothing processing to obtain the SPRR, and then the SPRR is converted into an A-ETC value to serve as an intuitive quantitative representation mode of link quality between nodes, the A-ETC value not only comprehensively considers the asymmetry of a link, but also has the instantaneity and smoothness of the SPRR, so that the A-ETC value can be used as a powerful basis for upper-layer routing protocol strategy judgment.
S140: and receiving the decomposed power grid demand instruction, and transmitting the power grid demand instruction to corresponding power supply equipment to enable the power supply equipment to work.
S150: and storing the sent and received power grid demand instructions, and counting by using an accumulator.
Introducing high level into the accumulator to enable the ring oscillator to oscillate; resetting the sampling period of the oscillator oscillation sampling of the counter; forming a primary count by using input pulses when a power grid demand instruction is input, and timing by using a sampling period of oscillator oscillation; wherein, the conversion formula of the sampling period is as follows: t iss=DOUT[n]·TGRO+TQ[n]-TQ[n-1];
DOUT[n]Inputting pulses for power grid demand instructions; t isGROA oscillation period of the oscillator; t isQ[n]Is the next cycle initial time; t isQ[n-1]Residual error is the sampling period; t issIs the sampling period.
It should be noted that the accumulator employs a GRO-based TDC, which has a first-order quantization noise shaping characteristic, as shown in FIG. 3, wherein the residual error T of the previous sampling periodQ[n-1]Naturally becomes the initial time T of the next cycleQ[n]It is easy to obtain:
TQ[n]=TGRO-TQ[n-1];
in fact, when counting each phase output of the oscillator, the ram resolution of the TDC will be determined by TGROReducing the delay T to a first stage delay unitsThereby reducing the turnover frequency and further reducing the energy consumption caused by turnover;
if two consecutive digital outputs of GRO-based dTDC are subtracted, D will be obtainedOUT[n]-DOUT[ n-1D as a new output result, a second order shaping effect will be present with respect to quantization noise, however this digital output Ddesired[n]Corresponds to TQ[n]-TQ[n-1]But not TQ[n]Thereby avoiding the potential instability problem of single-loop structures and the mismatch problem in the structures, and improving the mobility of the digital accumulation circuit.
In the embodiment, the translated power grid demand instruction is decomposed into two steps of quality prediction and quality evaluation through the instruction decomposition step, so that the integrity of the transmitted translated power grid demand instruction is evaluated, and the transmitted translated power grid demand instruction is subjected to smoothing treatment by using a weighted exponential averaging method, so that the timeliness of the predicted value SPRR is improved, and the expected value of the translated power grid demand instruction is more real.
Based on the above processing method for the power grid demand instruction, the present application also provides an electronic device, as shown in fig. 4, where fig. 4 is a schematic structural diagram of an embodiment of the electronic device of the present application. The electronic device 400 may comprise a memory 41 and a processor 42, the memory 41 being connected to the processor 42, the memory 41 storing a computer program, the computer program implementing the method of any of the above embodiments when executed by the processor 42. The steps and principles thereof have been described in detail in the above method and will not be described in detail herein.
In the present embodiment, the processor 42 may also be referred to as a Central Processing Unit (CPU). The processor 42 may be an integrated circuit chip having signal processing capabilities. The processor 42 may also be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Based on the processing method of the power grid demand instruction, the application also provides a computer readable storage medium. Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of a computer-readable storage medium according to the present application. The computer-readable storage medium 500 has stored thereon a computer program 51, the computer program 51 realizing the method of any of the above embodiments when executed by a processor. The steps and principles thereof have been described in detail in the above method and will not be described in detail herein.
Further, the computer-readable storage medium 500 may be various media that can store program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic tape, or an optical disk.
It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. In addition, for convenience of description, only a part of structures related to the present application, not all of the structures, are shown in the drawings. The step numbers used herein are also for convenience of description only and are not intended as limitations on the order in which the steps are performed. 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 application.
The terms "first", "second", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. A processing method of a power grid demand instruction is characterized by comprising the following steps:
extracting a power grid demand instruction according to a preset instruction fetching period;
translating the extracted power grid demand instruction by using an instruction decoder;
decomposing the translated power grid demand instruction to improve the transmission quality of the power grid demand instruction;
receiving the decomposed power grid demand instruction, and transmitting the power grid demand instruction to corresponding power supply equipment to enable the power supply equipment to work;
and storing the sent and received power grid demand instructions, and counting by using an accumulator.
2. The method for processing the grid demand instruction according to claim 1, wherein the extracting the grid demand instruction according to a preset instruction fetch cycle includes:
inputting the address code of the power grid demand instruction into a register, and converting the address code of the power grid demand instruction into a control signal by using an A/D converter;
the control unit sends out a control signal, starts the accumulator to count and outputs an instruction-taking period.
3. The method for processing the grid demand instruction according to claim 2, wherein the translating the extracted grid demand instruction by using an instruction decoder comprises:
inputting the translation logic circuit to the binary code;
and translating the power grid demand instruction into a corresponding output signal, and outputting.
4. The method for processing the grid demand instruction according to claim 3, wherein the decomposing the translated grid demand instruction to improve the transmission quality of the grid demand instruction includes:
performing quality prediction and quality evaluation on the translated power grid demand instruction to ensure the integrity of the translated power grid demand instruction before transmission;
monitoring the translated power grid demand instruction in the transmission process in real time, finding out the translated power grid demand instruction with failed transmission, marking the translated power grid demand instruction, and feeding the power grid demand instruction back to the processor;
and the processor receives the feedback signal and extracts the translated power grid demand instruction with failed transmission to perform integrity repair so as to protect the translated power grid demand instruction.
5. The method for processing the grid demand instruction according to claim 4, wherein the quality prediction and quality evaluation of the translated grid demand instruction to ensure the integrity of the translated grid demand instruction before transmission comprises:
smoothing the transmitted translated power grid demand instruction by using a weighted exponential averaging method;
and calculating the expectation of the transmission success times of the translated power grid demand instruction in the transmission link by utilizing the uplink SPRR and the downlink SPRR of the transmission link so as to form quality evaluation.
6. The method for processing the grid demand instruction according to claim 5, wherein the weighted exponential averaging method has a calculation formula of:
SPRRn(ω,α)=α·SPRRn-1+(1-α)PRRn
wherein, SPRRn-1Commanding a quality prediction value of a historical transmission link for the translated power grid demand; PRRnThe translated power grid requirement instruction indicates a quality prediction value of the current transmission link; SPRRnThe quality prediction value of the transmission link at the next moment is instructed for the translated power grid requirement; omega is the translated sampling time of the power grid demand instruction; alpha is a weight.
7. The method for processing the grid demand instruction according to claim 6, wherein the calculating the expectation of the number of times of transmission success of the translated grid demand instruction in the transmission link by using the transmission link uplink SPRR and the downlink SPRR to form the quality evaluation comprises:
defining a successful translated power grid demand instruction transceiving process;
calculating the expectation of successful transmission times by utilizing the uplink packet receiving rate, the downlink packet receiving rate and the bidirectional packet receiving rate of a transmission link, wherein the calculation formula is as follows:
Figure FDA0003256921770000021
SPRRu-da bi-directional packet reception rate for the transmission link; SPRRupThe uplink packet receiving rate of the transmission link; SPRRdownThe downlink packet receiving rate of the transmission link; A-ETC is a expectation of the number of successful transmissions.
8. The method for processing the grid demand instruction according to claim 6, wherein the storing the sent and received grid demand instructions and counting by using an accumulator comprises:
introducing high level into the accumulator to enable the ring oscillator to oscillate;
resetting the sampling period of the oscillator oscillation sampling of the counter;
forming a primary count by using input pulses when a power grid demand instruction is input, and timing by using a sampling period of oscillator oscillation;
wherein, the conversion formula of the sampling period is as follows: t iss=DOUT[n]·TGRO+TQ[n]-TQ[n-1];
DOUT[n]Inputting pulses for power grid demand instructions; t isGROA oscillation period of the oscillator; t isQ[n]Is the next cycle initial time; t isQ[n-1]Residual error is the sampling period; t issIs the sampling period.
9. An electronic device, comprising a memory and a processor, wherein the memory is connected to the processor, and the memory stores a computer program, and the computer program realizes the processing method of the power grid demand instruction according to any one of claims 1 to 8 when executed by the processor.
10. A computer-readable storage medium, characterized in that a computer program is stored, which when executed performs the method of processing the grid demand instruction of any one of claims 1 to 8.
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