CN114895125A - Method and device for evaluating overall operation performance of power consumption information acquisition equipment - Google Patents
Method and device for evaluating overall operation performance of power consumption information acquisition equipment Download PDFInfo
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Abstract
The invention discloses a method and a device for evaluating the integral operation performance of power utilization information acquisition equipment, wherein the method comprises the following steps: s01, accessing each target acquisition device to be evaluated by using a kernel volume device evaluation structure, and performing performance evaluation on power consumption data acquired by each target acquisition device to obtain an evaluation result corresponding to each target acquisition device, wherein the kernel volume device evaluation structure comprises a kernel volume power module and a performance analysis module; s02, in the process of evaluating the performance by using the nuclear capacity power module, adjusting the connection mode of each acquisition device according to the evaluation result of each target acquisition device so as to block the corresponding acquisition device with the performance meeting the preset requirement and butt-joint an acquisition interface to the specified acquisition device; and S03, obtaining the evaluation results of each target acquisition device output by the evaluation structure of the kernel-volume device, and carrying out induction processing to obtain a final evaluation result. The method has the advantages of simple implementation method, low cost, high rating precision and the like.
Description
Technical Field
The invention relates to the technical field of power consumption information acquisition systems, in particular to a method and a device for evaluating the overall operation performance of power consumption information acquisition equipment.
Background
Along with the expansion of electric wire netting cover, power consumption increases gradually, for effectively guaranteeing power consumption safety, strengthens the control dynamics of electric power information data, and power consumption information acquisition equipment occupies great proportion. In order to ensure the smooth operation of the power consumption collection equipment, the performance of the power consumption collection equipment needs to be evaluated.
For the performance evaluation of the power consumption information acquisition equipment, the following two methods are mainly adopted in the prior art to realize the performance evaluation:
1. an Orthogonal Frequency Division Multiplexing (OFDM) system is used as a power information processing center, and the overall performance evaluation of the power information equipment is completed by utilizing an Ethernet Passive Optical Network (EPON) technology and a blind channel evaluation method, but the scheme has high cost consumption and is not suitable for the performance evaluation of large-range power grid acquisition equipment.
2. The performance of the power information acquisition equipment is evaluated based on a Wallace tree structure, carrier sampling is mainly evaluated, operation data of the power information acquisition equipment is compared through the electromagnetic compatibility design of the acquisition terminal, comprehensiveness of an evaluation result is guaranteed, the scheme is complex and tedious to implement, and the evaluation standard of refined acquisition equipment is prone to deviation, namely the evaluation precision is not high.
In summary, in the prior art, performance evaluation of power consumption information acquisition equipment is either costly, complex to implement, and low in precision, and when there is a fault in the acquisition equipment, since data of the acquisition equipment cannot be normally acquired, both of the above two ways cannot normally implement evaluation, and evaluation precision is further reduced, so that an evaluation method capable of considering implementation cost, complexity, and evaluation precision is urgently needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the technical problems in the prior art, the invention provides the method and the device for evaluating the integral operation performance of the power utilization information acquisition equipment, which have the advantages of simple implementation method, low cost and high evaluation precision.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a method for evaluating the overall operation performance of power utilization information acquisition equipment comprises the following steps:
the method comprises the following steps that S01, the core-capacity device evaluation structure is used for accessing target collection equipment to be evaluated, and performing performance evaluation on power utilization data collected by the target collection equipment to obtain evaluation results corresponding to the target collection equipment, wherein the core-capacity device evaluation structure comprises a core-capacity power module and a performance analysis module, the core-capacity power module is used for providing continuous energy supply, and the performance analysis module is used for performing performance analysis on the collection equipment;
s02, in the process of evaluating the performance by using the nuclear capacity power module, adjusting the connection mode of each acquisition device according to the evaluation result of each target acquisition device so as to block the corresponding acquisition device with the performance meeting the preset requirement and butt-joint the acquisition interface to the specified acquisition device;
and S03, obtaining the evaluation results of each target acquisition device output by the evaluation structure of the kernel-volume device, and carrying out induction processing to obtain a final evaluation result.
Further, in the evaluation structure of the nuclear capacity device, the information of the target acquisition device is acquired by the device acquisition device and output to the analysis-capable module, the performance analysis module comprises a main analysis space module for performing evaluation based on a main analysis method, a performance analysis module for performing performance analysis, an index comparison module for performing index comparison and an information block, the acquired acquisition device information and the evaluation information are stored in the information block through relay control, and the nuclear capacity power module and the main analysis space module are separated by the information block.
Further, in step S02, the evaluation result of each target collection device is transmitted to the device tuning control module through a feedback line to adjust the connection mode of each collection device, where when a collection device operates normally, the corresponding feedback line transmits the evaluation result normally, when a collection device has a fault, the corresponding feedback line generates an offset, and when the offset degree of the feedback line exceeds a preset threshold, the device tuning control module controls to block the corresponding collection device and dock the collection interface to other designated collection devices that operate normally.
Further, in step S03, the evaluation result of each target acquisition device is subjected to induction processing by using a direct current improved decoupling algorithm, so as to evaluate the overall operation performance of each target acquisition device, where the direct current improved decoupling algorithm is obtained by adding current information acquired by the user equipment to the direct current decoupling algorithm.
Further, the step of performing induction processing on the evaluation result of each target acquisition device by using a direct current improved decoupling algorithm comprises:
s301, disassembling the direct current decoupling algorithm to obtain an original power matrix:
wherein, Δ P d1 Indicating the power change before and after the device acquisition,
representing the total variation, U, under a plurality of devices d1 Indicating that the user is consuming the voltage display,
representing the total voltage supplied by the distribution substation, P d1 The power display number of the electric energy meter is represented,
representing measured values of power of the collecting apparatus, Δ U d1 The representation electric meter calculates the standard voltage variation,
representing an evaluation system to record the voltage difference value of the electric energy meter;
s302, current information acquired by user equipment is added into a direct current decoupling algorithm, and a bidirectional derivative relation of current in the direct current decoupling algorithm is obtained:
wherein, Y dii Indicating the device acquisition voltage derivative relationship, U dj Representing the bias voltage, I, of the decoupling network matrix di Current information representing the collection device;
and S303, evaluating the overall operation performance of the target acquisition equipment according to the bidirectional derivative relation of the current in the direct current decoupling algorithm to obtain a final evaluation result.
Further, in step S303, a regular relationship between a sampling period existing variable of power in the evaluation structure of the nuclear capacity device and the initial voltage is further constructed:
wherein, P i Represents the decoupling power value, P, in the kernel-volume evaluation structure 0i Indicating the initial value of the power, U, of the acquisition input of the device d0i Indicating the voltage value, U, of the input evaluation structure di Representing the value of the decoupling voltage, k, in the core-capacitor structure i Representing the droop coefficient of the voltage before and after the equipment is collected;
and evaluating the overall operation performance of the target acquisition equipment according to the bidirectional derivative relation of the current in the direct current decoupling algorithm and the regular relation to obtain a final evaluation result.
The utility model provides an electric information acquisition equipment whole operation performance evaluation device, includes:
the system comprises a core-capacity device evaluation structure, a power module and a performance analysis module, wherein the core-capacity device evaluation structure is used for accessing each target acquisition device to be evaluated and carrying out performance evaluation on power consumption data acquired by each target acquisition device to obtain an evaluation result corresponding to each target acquisition device;
the adjustment control module is used for adjusting the connection mode of each acquisition device according to the evaluation result of each target acquisition device in the process of evaluating the performance by using the nuclear capacity power module so as to block the corresponding acquisition device with the performance meeting the preset requirement and butt-joint an acquisition interface to the specified acquisition device;
and the evaluation output module is used for acquiring the evaluation result of each target acquisition device output by the evaluation structure of the kernel-capacitor device and carrying out induction processing to obtain the final evaluation result.
Furthermore, the adjustment control module is connected with each acquisition device through a feedback line, when the acquisition devices operate normally, the corresponding feedback line transmits evaluation results normally, when the acquisition devices have faults, the corresponding feedback line generates deviation, and when the deviation degree of the feedback line exceeds a preset threshold value, the adjustment control module controls to block the corresponding acquisition devices and butt joint acquisition interfaces to other designated acquisition devices which operate normally.
Furthermore, the feedback circuit adopts a 90-degree right-angle feedback mode, and adjustment is carried out according to different three phases of the electric equipment acquisition circuit so as to carry out circuit feedback on target acquisition equipment.
Furthermore, the performance analysis module in the evaluation structure of the nuclear capacity device is a main analysis space module for performing performance analysis based on a principal component analysis method, the evaluation structure of the nuclear capacity device further comprises a device acquisition device, a relay controller and an information block which are sequentially connected, the device acquisition device acquires information of target acquisition devices, the acquired information of the acquisition devices is stored in the information block through the relay controller, and the nuclear capacity power module and the main analysis space module are separated by the information block.
Compared with the prior art, the invention has the advantages that: the invention completes the performance analysis of the acquisition equipment by the evaluation structure of the nuclear capacity device to integrate the disordered information of the acquisition platform, adjusts each acquisition equipment by using a feedback line in the performance evaluation process, blocks and butt-joints the corresponding acquisition equipment meeting the preset requirement to the appointed acquisition equipment, and finally obtains the evaluation result of each target acquisition equipment output by the evaluation structure of the nuclear capacity device to process to obtain the final evaluation result, thereby being capable of efficiently realizing the overall operation performance evaluation of the power utilization information acquisition equipment, realizing simple and low cost in the whole evaluation process, ensuring that the evaluation can be normally executed under the conditions of power failure, fault and the like of a system because the nuclear capacity power module can provide a continuous function, blocking the acquisition equipment in time and butt-jointing the acquisition interface to the normal acquisition equipment when the acquisition equipment is in fault, the accuracy of the overall operation evaluation of the power utilization information acquisition equipment can be effectively improved.
Drawings
Fig. 1 is a schematic view of an implementation flow of the method for evaluating the overall operation performance of the power consumption information acquisition device in this embodiment.
Fig. 2 is a schematic diagram of the structural principle of the overall operation evaluation architecture of the acquisition device adopted in the present embodiment.
Fig. 3 is a schematic structural diagram of an evaluation structure of the nuclear capacity device in the present embodiment.
Fig. 4 is a schematic diagram illustrating the arrangement principle of the feedback circuit in the present embodiment.
Fig. 5 is a simulation diagram of the performance evaluation process of the acquisition device adopted in the specific application embodiment.
Fig. 6 is a diagram illustrating the result of the device validity period analysis obtained in the specific application embodiment.
FIG. 7 is a graph showing the accuracy of the evaluation results obtained in the practical examples.
Detailed Description
The invention is further described below with reference to the drawings and specific preferred embodiments of the description, without thereby limiting the scope of protection of the invention.
As shown in fig. 1, the method for evaluating the overall operation performance of the power consumption information acquisition device in the embodiment includes the steps of:
s01, accessing each target acquisition device to be evaluated by using a kernel volume device evaluation structure, and performing performance evaluation on power consumption data acquired by each target acquisition device to obtain an evaluation result corresponding to each target acquisition device, wherein the kernel volume device evaluation structure comprises a kernel volume power module and a performance analysis module, the kernel volume power module is used for providing continuous energy supply, and the performance analysis module is used for performing performance analysis on the acquisition device;
s02, in the process of evaluating the performance by using the nuclear capacity power module, adjusting the connection mode of each acquisition device according to the evaluation result of each target acquisition device so as to block the corresponding acquisition device with the performance meeting the preset requirement and butt-joint an acquisition interface to the specified acquisition device;
and S03, obtaining the evaluation results of each target acquisition device output by the evaluation structure of the kernel-volume device, and carrying out induction processing to obtain a final evaluation result.
Considering the effective running time of the electricity utilization information acquisition equipment and the deviation of the equipment delivery evaluation index, the embodiment completes the performance analysis of the acquisition equipment by the evaluation structure of the nuclear capacity device to integrate the disordered information of the acquisition platform, and the nuclear capacity power module provides a continuous function, so that the normal evaluation can be still performed in the states of power failure, fault and the like of the system; in the process of completing performance analysis of the acquisition equipment by the evaluation structure of the nuclear capacity device, the feedback lines are simultaneously utilized to adjust the distribution of the adjustment data and the feedback of information, corresponding acquisition equipment meeting the preset requirements is blocked and butted to appointed acquisition equipment, so that the acquisition equipment can be timely blocked and the acquisition interfaces are butted to normal acquisition equipment when the acquisition equipment fails, finally, the evaluation results of the target acquisition equipment output by the evaluation structure of the nuclear capacity device are obtained and summarized to obtain the final evaluation result, the overall operation performance evaluation of the power utilization information acquisition equipment can be realized, the whole evaluation process is simple to realize, the cost is low, the precision is high, and the accuracy of the evaluation can be ensured under various working conditions such as power failure of a power utilization system, failure or failure of the acquisition equipment.
The whole operation evaluation system of the collection equipment that this embodiment adopted is as shown in fig. 2, and when the electric wire netting user produced the electricity consumption, the collection equipment produced the record, and the main form is the PMS system, and the application scene is distribution network automation regional user, consumes the electric energy with other systems and carries out categorised collection through different management layers, mainly for marketing, energy and user management, consumes the electric energy to the user and manages and information acquisition for the electric equipment information collection is more comprehensive. The data processing center of the acquisition equipment is an intelligent power utilization unified acquisition and information support platform, the platform completes integration of power utilization information, and power supply distribution is carried out according to different power consumption energy consumptions of different users. For the evaluation structure of the acquisition equipment, the embodiment analyzes data output by the platform, performs data differentiation and input by using two processing modes of mass data and heterogeneous information, performs visual processing on the appearance performance of the acquisition equipment, then uses the kernel capacity device to evaluate the structure to complete evaluation, and simultaneously compares the visual result of the acquisition equipment with standard data according to a preset performance standard to ensure that the evaluation process is more accurate. The evaluation process and the operation process of the acquisition equipment are fed back through a circuit, the dispatching of the acquisition equipment is completed according to the performance result of the evaluation, and the dispatching instruction can be executed by a substation and a power grid load. The substation masters the effect of adjusting the load of the power grid through a sensor, records and calculates the power consumption data of the load of the power grid through an FCTS device and a decoupling algorithm, and therefore the overall evaluation process of the power consumption information acquisition equipment is completed.
In this embodiment, the performance evaluation of the operating state of the acquisition device is completed through the kernel-volume device evaluation structure, as shown in fig. 3, in the kernel-volume device evaluation structure, information of the target acquisition device acquired by the device acquisition device is output to the performance analysis module, the performance analysis module includes a main analysis space module for performing evaluation based on a main analysis method, a performance analysis module for performing performance analysis, an index comparison module for performing index comparison, and an information block, the acquired acquisition device information and evaluation information are stored in the information block through relay control, and the kernel-volume power module is spaced from the main analysis space module by the information block. The evaluation structure of the nuclear capacity device specifically evaluates the performance of the power acquisition equipment according to the running process analysis of the power utilization information acquisition equipment. The direct current screen carries out the establishment of evaluation flow to power consumption collection equipment to realize the completion of the evaluation structure of the nuclear capacity device, and the main operation structure is the nuclear capacity power module, the relay controller, the signal communication and the main analysis space. The nuclear capacity power module is separated from the main analysis space through the information block, and particularly, a high-proportion lead-zinc storage battery is adopted to ensure continuous energy supply of a nuclear capacity structure, so that smooth operation of the main analysis space and the transmission path unit is completed; the main analysis space module transmission channel data is mainly established by matching various core-capacitor peripheral devices to finish the channel establishment of evaluation data, and the performance analysis is finished by the core-capacitor evaluation of the power utilization information acquisition equipment parameters; the signal communication mode utilizes an embedded technology to install an evaluation feedback data chip on an output bit of the kernel-volume information block, so that data feedback of a kernel-volume evaluation structure is realized and is used as data support for algorithm analysis; the transmission path is used as the transfer of the evaluation information flow of the main analysis space, and can provide various variable parameters of the power utilization information acquisition equipment for the main analysis space to form visual signal evaluation data. Referring to fig. 3, a control device, an operation device, a signal device, and the like are further disposed in the evaluation structure of the nuclear capacity device, and each device, the performance analysis module, and the index comparison module are connected with the information block and the nuclear capacity power through a relay, so that the functions of required control, performance analysis, index comparison, and the like can be controlled and realized. The data of the information block is fed back to the power acquisition equipment through the evaluation feedback module, so that the acquisition equipment can obtain evaluation feedback data in real time in the operation process, the power acquisition equipment can dynamically adjust the operation state according to the evaluation feedback data, and the evaluation data is further fed back to the main analysis space module, so that the evaluation process can be dynamically adjusted by combining the fed-back evaluation information, and the real-time evaluation precision is ensured.
The evaluation structure of the nuclear capacity device combines the main analysis space with the evaluation structure of the nuclear capacity device, analyzes and integrates the operation condition data of the power acquisition equipment, takes the evaluation structure of the nuclear capacity device as the core component of the performance analysis of the equipment, finishes data arrangement, analysis and detection of the power acquisition equipment through various index evaluation devices and information blocks, regularly records complex equipment information, forms comparison data with the equipment indexes to obtain a performance evaluation result, and finishes the dispensing process of the field equipment through a feedback circuit subsequently, thereby ensuring the operation reliability of the power acquisition equipment.
In step S02, in the performance evaluation process performed by using the nuclear capacity power module, the evaluation result of each target collection device is transmitted to the device tuning control module through the feedback line to adjust the connection mode of each collection device, where when the collection device operates normally, the corresponding feedback line transmits the evaluation result normally, when the collection device has a fault, the corresponding feedback line generates an offset, and when the offset degree of the feedback line exceeds a preset threshold, the device tuning control module controls to block the corresponding collection device and dock the collection interface to other designated collection devices that operate normally.
After the performance of the electricity consumption information acquisition equipment is evaluated, the result needs to be fed back to the actual production, and a feedback circuit also plays an important role in the whole performance evaluation system. In the embodiment, the feedback line is established according to the performance analysis parameter change of the electric equipment by analyzing the core capacity evaluation result, and the BF5R optical fiber line is specifically adopted as the core device of the feedback line in the embodiment, so that the characteristic of high transmission speed is achieved, and the non-contact feedback adjustment can be realized. The characteristic of the optical fiber in the using process can reserve the evaluation information flow to the maximum extent, and can meet various requirements of the feedback process. In the evaluation data transmission process, the adjustment is carried out according to the three phases of the electric equipment acquisition circuit in a 90-degree right-angle feedback mode, the circuit feedback is carried out on 220V user electric power acquisition equipment, a BF5R feedback circuit is shown in fig. 4, the data transmission efficiency can be improved by adopting an M4 right-angle feedback and optical fiber sensing mode, and the important effects are achieved on data transmission and equipment performance parameter recording. When the acquisition equipment operates normally, BF5R line data transmission is smooth, large fluctuation is avoided, and equipment evaluation data can be normally transmitted; when the acquisition equipment has faults, the feedback line deviates, and when the deviation degree is too large, the optical fiber line delays and needs to be restored after the adjustment is finished. The BF5R circuit carries out the dispensing of corresponding collection equipment according to the evaluation data of feedback, blocks the equipment that the performance is relatively poor by force to change the collection interface, dock it to the equipment that the performance is good, accomplish whole dispensing process, thereby can ensure that collection equipment still can accurately realize the performance evaluation under the trouble condition.
In a specific application embodiment, when the BF5R feedback line is applied to a performance evaluation system of a power acquisition device, wherein the acquisition device is generally applied to an AC220V household voltage state, the initial size of the feedback line is 160mm multiplied by 27mm multiplied by 22mm, and the maximum cross-sectional area is 10mm 2 . The designed operating voltage of the BF5R feedback line is AC220V, and the voltage supply is provided by connecting a stub on Q22The dispensing of the acquisition equipment is completed in various switch forms, and is automatically applied to a BF5R feedback circuit structure according to three phases. In the line feedback process, the performance evaluation data of the power utilization information acquisition equipment is transmitted to the input side of the dispensing system by mainly utilizing an output optical fiber, the transmission optical fiber is generally 10M, A, B, C three-phase feedback lines are arranged in an M4 right-angle mode and are respectively applied to three BF5R lines.
After step S03, the evaluation results of the target acquisition devices are inductively processed by using a direct current improved decoupling algorithm to evaluate the overall operation performance of the target acquisition devices, where the direct current improved decoupling algorithm is obtained by adding current information acquired by the user equipment to a conventional direct current decoupling algorithm. According to the embodiment, the direct current decoupling improvement algorithm is adopted to perform inductive processing on the performance evaluation data of the power consumption information acquisition equipment, and the processing result is transmitted to the verification window, so that the user consumes electric energy to perform verification, and the evaluation precision can be further improved.
The direct current decoupling algorithm is mainly used for evaluating the power consumption under the condition of extra interference in an ideal environment, and matrix weighting is used for expressing multi-loop direct current acquisition information:
wherein, P di Representing multiloop collected electric energy power algebraic formula, U di Indicating the voltage, Y, collected by the loop equipment dij Admittance elements, U, representing an evaluation of the performance of the acquisition device dj Representing the decoupling network matrix bias voltage.
And (3) carrying out derivation on the direct current power function to obtain a relation between the collected power and the voltage of the equipment in the direct current decoupling state as follows:
wherein, Y dii The decoupling algorithm device is shown acquiring voltage derivative relationships.
And (3) carrying out program transformation on the relation between the device acquisition information in the formula (2), and calculating the relation between the power and the decoupling longitudinal voltage in a decoupling state, namely, in a direct current decoupling state, the device acquisition power has larger influence factors on the user voltage. As can be seen from the formula (2), the relation does not relate to current and has certain deviation, so that the original decoupling algorithm is improved, namely current information acquired by user equipment is added, and the final result is more practical.
The step of performing induction processing on the evaluation result of each target acquisition device by using the direct current improved decoupling algorithm in the embodiment includes:
s301, disassembling the direct current decoupling algorithm to obtain an original power matrix:
wherein, Δ P d1 Indicating the power change before and after the device acquisition,
representing the total variation, U, under a plurality of devices d1 Indicating that the user is consuming the voltage display,
representing the total voltage supplied by the distribution substation, P d1 The power display number of the electric energy meter is represented,
representing measured values of power of the collecting apparatus, Δ U d1 The representation electric meter calculates the standard voltage variation,
representing an evaluation system to record the voltage difference value of the electric energy meter;
s302, adding current information acquired by user equipment into a direct current decoupling algorithm to obtain a bidirectional derivative relation of current in the direct current decoupling algorithm:
wherein, Y dii Representing the relation of the acquired voltage derivative, U, of the direct current decoupling algorithm equipment dj Representing the bias voltage, I, of the decoupling network matrix di Current information representing the collection device;
and S303, evaluating the overall operation performance of the target acquisition equipment according to the bidirectional derivative relation of the current in the direct current decoupling algorithm to obtain a final evaluation result.
The detailed process of acquiring the bidirectional derivative relationship of the current in the dc decoupling algorithm in step S302 includes:
replacing the relation matrix of the power derivative and the voltage derivative in the formula (3), and improving the formula (3) because the final data is not constant, and changing the following steps:
wherein, J' d Representing the power-voltage relationship admittance matrix, Y, in the evaluation system d11 The acquisition device admittance relationship is represented,
representing a two-way relation of collected sample measurement.
The admittance relation of the formula (1) is subjected to element processing, and finally converted into a measurable element formula, and the analysis of the algorithm is completed by adding a constant current source, so that the electric energy measurement formula of the equipment is obtained as follows:
in the formula (5) I di Representing the current information of the acquisition equipment, and carrying out the electric energy change caused by the current relation in the formula (5)And processing to obtain a bidirectional derivative relation of the current in the decoupling algorithm, wherein the relation is expressed as:
according to the formula (6), the direct current improved decoupling algorithm adds the current change relation on the basis of the original algorithm, so that the electric energy metering result is more accurate, and the complex data acquired by the power utilization information can be regularly processed. In the embodiment, the performance evaluation result of the evaluation structure of the kernel-capacitor device is comprehensively summarized by using the direct-current improved decoupling algorithm, so that the final evaluation result can be quickly obtained, and the evaluation precision is ensured.
The collected current of the equipment is assumed to be direct current parameters, and the equipment performance and the power distribution have a certain relation in the core-capacity evaluation structure. In step S302 of this embodiment, a regular relationship between a sampling period existing variable of power in the evaluation structure of the core capacity device and the initial voltage is further constructed:
wherein, P i Represents the decoupling power value, P, in the kernel-volume evaluation structure 0i Indicating the initial value of the power, U, of the acquisition input of the device d0i Indicating the voltage value, U, of the input evaluation structure di Representing the value of the decoupling voltage, k, in the core-capacitor structure i And the voltage droop coefficient before and after the equipment is collected is shown.
As can be seen from the above equation (7), a specific rule exists between the variable and the initial voltage of the power in the core-capacitor evaluation structure in the sampling period, and even if the input voltage changes significantly and the performance evaluation result is slightly affected, the evaluation of the performance evaluation result of the core-capacitor evaluation structure can be further realized by integrating the rule relationship between the variable and the initial voltage of the power in the core-capacitor evaluation structure in the sampling period, so as to ensure the reliability of the final evaluation result.
This embodiment still provides the whole operating performance evaluation device of power consumption information acquisition equipment, includes:
the system comprises a core-capacity device evaluation structure, a data processing device and a data processing device, wherein the core-capacity device evaluation structure is used for accessing each target acquisition device to be evaluated and evaluating the performance of the power consumption data acquired by each target acquisition device to obtain an evaluation result corresponding to each target acquisition device; the evaluation structure of the nuclear capacity device comprises a nuclear capacity power module and a performance analysis module, wherein the nuclear capacity power module is used for providing continuous energy supply, and the performance analysis module is used for carrying out performance analysis on the acquisition equipment;
the adjustment control module is used for adjusting the connection mode of each acquisition device according to the evaluation result of each target acquisition device so as to block the corresponding acquisition device with the performance meeting the preset requirement and butt joint the acquisition interface of the corresponding acquisition device to other acquisition devices;
and the evaluation output module is used for acquiring the acquired data of each target acquisition device after being regulated by the regulation control module for evaluation to obtain a final evaluation result.
The evaluation structure of the nuclear capacity device is shown in fig. 3, and the structural principle of the dispensing control module is shown in fig. 4. In this embodiment, the dispensing control module is connected with each acquisition device through a feedback line, when an acquisition device operates normally, the corresponding feedback line transmits an evaluation result normally, when an acquisition device has a fault, the corresponding feedback line generates an offset, and when the offset degree of the feedback line exceeds a preset threshold, the dispensing control module controls to block the corresponding acquisition device and butt the acquisition interface to other specified acquisition devices operating normally. The feedback circuit adopts a 90-degree right-angle feedback form, and the three phases of the electric equipment acquisition circuit are different to adjust the dosage so as to perform circuit feedback on the target acquisition equipment.
In this embodiment, the performance analysis module in the evaluation structure of the nuclear capacity device is a main analysis space module for performing performance analysis based on a principal component analysis method, the evaluation structure of the nuclear capacity device further includes a device acquisition device, a relay controller and an information block, which are connected in sequence, the device acquisition device acquires information of a target acquisition device, the acquired information of the acquisition device is stored in the information block through the relay controller, and the information block separates the nuclear capacity power module from the main analysis space module.
The device for evaluating the overall operation performance of the power consumption information acquisition equipment corresponds to the method for evaluating the overall operation performance of the power consumption information acquisition equipment, and is not described in detail herein.
In order to verify the effectiveness of the invention, the information of power/voltage/current and the like recorded by the intelligent acquisition equipment is tested. The experimental process was run on an Inte li 99600 KF computer, a 4.0GHzCPU and a 64+256GB memory dual core PC. Setting a field experiment environment, recording by adopting a data statistics method, collecting user electric energy information, wherein the operation speed of a computer reaches 25 hundred million times, and the operation error of an algorithm program is less than 1.0%. The experiment was carried out in this environment, with the parameter configuration shown in table 1:
table 1 environmental parameters and configuration software
In this embodiment, the IES VE software is used to perform simulation demonstration on the actual evaluation process of the evaluation system of the power consumption information acquisition device, and the simulation of the performance evaluation system of the acquisition device is shown in fig. 5. And (4) counting the electric energy and evaluation indexes collected by the equipment according to the formulas (1), (5) and (7) in the direct current decoupling algorithm. The above test results are compared with a reference of a scheme (traditional scheme 1) for realizing evaluation by adopting an OFDM system and a scheme (traditional scheme 2) for realizing evaluation by adopting a Wallace tree structure, the experimental results are summarized in a data table, and finally, the experimental data table for evaluating the performance of the acquisition equipment is displayed as shown in the table 2.
Table 2 data sheet for performance evaluation experiment of collecting device
Through data analysis in table 2, the maximum electric energy collected by the test equipment is 6351.6kWh, the effective operation time of the evaluation system is 18.2h, and the accuracy of the evaluation index is 98.5%; the maximum electric energy collected by OFDM system equipment adopted in the traditional scheme 1 is 5769.1kWh, the effective operation time of an evaluation system is 13.8h, and the accuracy rate of evaluation indexes is 96.2%; the highest collected electric energy of the Wallace tree structure equipment in the traditional scheme 2 is 5224.3kWh, the effective running time of an evaluation system is 10.4h, and the accuracy of evaluation indexes is 93.7%, namely the invention has higher feasibility for the evaluation system of the collection equipment.
And then, a comparison experiment is further completed by generating effective operation duration and an evaluation result accuracy curve of the equipment of each scheme, and simulation of an equipment evaluation system is realized by generating software according to a computer curve, wherein the comparison result is shown in fig. 6 and 7. As seen from the graphs in FIGS. 6 and 7, the electric energy collected by the equipment applied to the evaluation results of the three types of equipment is different, the evaluation system of the invention is much higher than that of the other two systems, and the maximum effective time of the invention reaches 18.2h under the environment of the same information collection equipment. As can be seen from FIG. 7, the seed evaluation system has differences in the variation of the accuracy of the evaluation result on the premise that the electric energy collected by the equipment is the same, wherein the highest accuracy of the invention is 98.5%; the highest accuracy of the OFDM system adopted in the traditional scheme 1 is 96.2%; the accuracy of the Wallace tree structure of the traditional scheme 2 is up to 93.7%. From the overall variation curve, the invention is also superior to other two traditional schemes. In conclusion, in the method for evaluating the performance of the power consumption information acquisition equipment, the effective operation time of the equipment and the accuracy rate of the evaluation result are both optimal, and the method has better performance for evaluating the overall operation performance of the power consumption information acquisition equipment.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention, unless the technical essence of the present invention departs from the content of the technical solution of the present invention.
Claims (10)
1. The method for evaluating the overall operation performance of the electricity information acquisition equipment is characterized by comprising the following steps of:
the method comprises the following steps that S01, the core-capacity device evaluation structure is used for accessing target collection equipment to be evaluated, and performing performance evaluation on power utilization data collected by the target collection equipment to obtain evaluation results corresponding to the target collection equipment, wherein the core-capacity device evaluation structure comprises a core-capacity power module and a performance analysis module, the core-capacity power module is used for providing continuous energy supply, and the performance analysis module is used for performing performance analysis on the collection equipment;
s02, in the process of evaluating the performance by using the nuclear capacity power module, adjusting the connection mode of each acquisition device according to the evaluation result of each target acquisition device so as to block the corresponding acquisition device with the performance meeting the preset requirement and butt-joint an acquisition interface to the specified acquisition device;
and S03, obtaining the evaluation results of each target acquisition device output by the evaluation structure of the kernel-volume device, and carrying out induction processing to obtain a final evaluation result.
2. The method for evaluating the overall operation performance of the power consumption information acquisition equipment according to claim 1, wherein in the evaluation structure of the nuclear capacity device, the information of the target acquisition equipment acquired by the equipment acquisition device is output to the analysis-capable module, the performance analysis module comprises a main analysis space module for performing evaluation based on a main analysis method, a performance analysis module for performing performance analysis, an index comparison module for performing index comparison, and an information block, the acquired information of the acquisition equipment and the evaluation information are stored in the information block through relay control, and the nuclear capacity power module is spaced from the main analysis space module by the information block.
3. The method according to claim 1, wherein in step S02, the evaluation result of each target collection device is transmitted to a device tuning control module through a feedback line to adjust the connection mode of each collection device, wherein when a collection device is operating normally, the corresponding feedback line transmits the evaluation result normally, when a collection device has a fault, the corresponding feedback line generates an offset, and when the offset degree of the feedback line exceeds a preset threshold, the device tuning control module controls to block the corresponding collection device and dock a collection interface to another designated collection device operating normally.
4. The method for evaluating the overall operation performance of the power consumption information acquisition equipment according to claim 1, 2 or 3, wherein in the step S03, the evaluation result of each target acquisition equipment is subjected to inductive processing by adopting a direct current improved decoupling algorithm, so as to evaluate the overall operation performance of each target acquisition equipment, wherein the direct current improved decoupling algorithm is obtained by adding current information acquired by user equipment into the direct current decoupling algorithm.
5. The method for evaluating the overall operation performance of the power consumption information acquisition equipment according to claim 4, wherein the step of inductively processing the evaluation results of the target acquisition equipment by using a direct current improved decoupling algorithm comprises the following steps:
s301, disassembling the direct current decoupling algorithm to obtain an original power matrix:
wherein, Δ P d1 Indicating the power change before and after the device acquisition,
representing the total variation, U, under a plurality of devices d1 Indicating that the user is consuming the voltage display,
representing the total voltage supplied by the distribution substation, P d1 The power display number of the electric energy meter is represented,
show the collection to be set upMeasured value of standby power, Δ U d1 The representation electric meter calculates the standard voltage variation,
representing an evaluation system to record the voltage difference value of the electric energy meter;
s302, adding current information acquired by user equipment into a direct current decoupling algorithm to obtain a bidirectional derivative relation of current in the direct current decoupling algorithm:
wherein, Y dii Indicating the device acquisition voltage derivative relationship, U dj Representing the bias voltage, I, of the decoupling network matrix di Current information representing the collection device;
and S303, evaluating the overall operation performance of the target acquisition equipment according to the bidirectional derivative relation of the current in the direct current decoupling algorithm to obtain a final evaluation result.
6. The method of claim 5, wherein in step S303, the method further comprises constructing a regular relationship between a sampling period existing variable of power in the evaluation structure of the nuclear capacity device and an initial voltage:
wherein, P i Represents the decoupling power value, P, in the kernel-volume evaluation structure 0i Indicating the initial value of the power, U, of the acquisition input of the device d0i Indicating the voltage value, U, of the input evaluation structure di Representing the value of the decoupling voltage in the core-capacitor structure,k i representing the droop coefficient of the voltage before and after the equipment is collected;
and evaluating the overall operation performance of the target acquisition equipment according to the bidirectional derivative relation of the current in the direct current decoupling algorithm and the regular relation to obtain a final evaluation result.
7. The utility model provides an electric information acquisition equipment whole running performance evaluation device which characterized in that includes:
the system comprises a core-capacity device evaluation structure, a power module and a performance analysis module, wherein the core-capacity device evaluation structure is used for accessing each target acquisition device to be evaluated and carrying out performance evaluation on power consumption data acquired by each target acquisition device to obtain an evaluation result corresponding to each target acquisition device;
the adjustment control module is used for adjusting the connection mode of each acquisition device according to the evaluation result of each target acquisition device in the process of evaluating the performance by using the nuclear capacity power module so as to block the corresponding acquisition device with the performance meeting the preset requirement and butt-joint an acquisition interface to the specified acquisition device;
and the evaluation output module is used for acquiring the evaluation results of each target acquisition device output by the evaluation structure of the kernel-volume device and carrying out induction processing to obtain the final evaluation result.
8. The device for evaluating the overall operation performance of the power consumption information acquisition equipment according to claim 7, wherein the adjustment control module is connected with each acquisition equipment through a feedback line, when the acquisition equipment operates normally, the corresponding feedback line transmits an evaluation result normally, when the acquisition equipment has a fault, the corresponding feedback line generates an offset, and when the offset degree of the feedback line exceeds a preset threshold value, the adjustment control module controls to block the corresponding acquisition equipment and butt joint an acquisition interface to other specified acquisition equipment which operates normally.
9. The device for evaluating the overall operation performance of the power consumption information acquisition equipment according to claim 8, wherein the feedback circuit adopts a 90-degree right-angle feedback mode, and adjustment is performed according to different three phases of the power consumption information acquisition circuit so as to perform circuit feedback on target acquisition equipment.
10. The device for evaluating the overall operation performance of the electricity consumption information acquisition equipment according to claim 7, 8 or 9, wherein the performance analysis module in the evaluation structure of the nuclear capacity device is a main analysis space module for performing performance analysis based on a principal component analysis method, the evaluation structure of the nuclear capacity device further comprises an equipment acquisition device, a relay controller and an information block which are connected in sequence, the equipment acquisition device acquires information of target acquisition equipment, the acquired information of the acquisition equipment is stored in the information block through the relay controller, and the nuclear capacity power module is spaced from the main analysis space module by the information block.
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