CN109921515B - Comprehensive power distribution management system - Google Patents
Comprehensive power distribution management system Download PDFInfo
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Abstract
The invention discloses a comprehensive power distribution management system, which comprises: the power utilization monitoring and adjusting module is used for monitoring the power utilization condition of the equipment and distributing different power utilization lines and power utilization time to the equipment according to the actual condition; and the fault monitoring and anti-theft module is used for monitoring the fault condition of the equipment and preventing the cable from being stolen. The system of the present invention is suitable for managing power distribution systems with large numbers of consumers, including consumer monitoring and regulation, and consumer fault monitoring and theft prevention.
Description
Technical Field
The invention relates to a comprehensive power distribution management system.
Background
The section of the power system that exits from a step-down distribution substation (high-voltage distribution substation) to a customer end is referred to as a distribution system. A power distribution system is an electrical power network system that transforms voltage and distributes power directly to end users, consisting of a variety of distribution equipment (or components) and distribution facilities. However, in the prior art, the monitoring mode is single, and the data collected by monitoring is inconvenient to analyze and compare. For example, for power distribution management, it is necessary to manually adjust the power distribution of the electrical devices, so that the power supply of one part of the sub-grid cannot meet the power demand of the sub-grid, and the power supply amount of the other part of the sub-grid is much greater than the actual power demand, resulting in insufficient utilization of the electrical energy. And the power supply quantity of the other part of the power grid is far larger than the actual power consumption requirement, so that the electric energy cannot be fully utilized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a comprehensive power distribution management system.
The purpose of the invention is realized by the following technical scheme: an integrated power distribution management system comprising:
the power utilization monitoring and adjusting module is used for monitoring the power utilization condition of the equipment and distributing different power utilization lines and power utilization time to the equipment according to the actual condition;
and the fault monitoring and anti-theft module is used for monitoring the fault condition of the equipment and preventing the cable from being stolen.
Further, the power consumption monitoring and adjusting module comprises:
the current/voltage/power real-time monitoring unit is used for monitoring the real-time power utilization condition of the electric equipment including real-time current/voltage/power;
the power utilization circuit distribution unit is used for adjusting the power utilization circuit of the electric equipment according to the monitoring result and/or the power utilization type of the current/voltage/power real-time monitoring unit;
and the electricity utilization time distribution unit is used for adjusting the electricity utilization time of the electric equipment according to the monitoring result and/or the electricity utilization type of the current/voltage/power real-time monitoring unit.
Further, in the power line distribution unit, the monitoring result of the current/voltage/power real-time monitoring unit includes a total monitoring result of the power line calculated according to the single monitoring result of each power consumption device, and a future power consumption situation is predicted according to the historical power consumption situation, so that the power consumption devices of the power line and the power consumption devices to be added into the power line are adjusted.
Further, the fault monitoring and anti-theft module comprises:
the current/voltage/power real-time monitoring unit is used for monitoring the real-time power utilization condition of the electric equipment including real-time current/voltage/power;
the cable anti-theft unit is used for judging whether a cable connected with the electric equipment is stolen or not;
and the fault monitoring unit is used for judging whether the equipment has faults or not according to the real-time monitoring results of the current/voltage/power real-time monitoring unit and the cable anti-theft unit.
Furthermore, in the fault monitoring unit, when the real-time monitoring results of the current/voltage/power real-time monitoring unit and the cable anti-theft unit are normal, the equipment is normal; when the real-time monitoring result of the current/voltage/power real-time monitoring unit is abnormal and the real-time monitoring result of the cable anti-theft unit is normal, the equipment fails; and when the real-time monitoring result of the cable anti-theft unit is abnormal, the cable is stolen.
Further, the cable theft prevention unit includes:
the data processing unit is used for acquiring the generated signal data which is received by the receiver and generated after the cable is electrified, and packing the generated signal data with the electrified signal data, the cable diameter and the cable length which are sent by the transmitter to form cable characteristic data; the cable characteristic data are further divided into training samples and testing samples; the test sample is used for testing the trained convolutional neural network model, and after the test is finished, the trained convolutional neural network model is sent to the receiver;
the transmitter is used for transmitting the power-on signal data, the cable diameter and the cable length to the data processing unit; the anti-theft device is also used for electrifying the cable to be prevented from being stolen and sending electrifying signal data, the diameter of the cable and the length of the complete cable to the receiver;
the receiver is used for acquiring the trained convolutional neural network model; the system is also used for packaging and inputting the generated signal data generated after the cable to be prevented from being stolen is electrified, the electrified signal data sent by the transmitter and the cable diameter which are received in real time into the trained convolutional neural network model, and obtaining the predicted cable length result data through the trained convolutional neural network model; the system is also used for judging whether the cable is stolen or not according to the predicted cable length result data and the complete cable length;
the cable is a cable which forms an antenna after being electrified.
Further, the convolutional neural network includes: the device comprises an input layer, a first convolution layer, a first pooling layer, a second convolution layer, a second pooling layer, a full-link layer and an output layer.
Further, the transmitter acquires the data of the cable diameter, the cable length and the complete cable length through an input panel.
Further, the receiver is also used for uploading the judgment result to the data processing unit and/or a manager.
Further, the number of iterations for training is 500, and the training precision is 85%.
The invention has the beneficial effects that:
(1) the system of the present invention is suitable for managing power distribution systems with large numbers of consumers, including consumer monitoring and regulation, and consumer fault monitoring and theft prevention.
(2) The power utilization monitoring and adjusting module adjusts the power utilization line and the power utilization time of the power utilization equipment according to the real-time power utilization condition and/or the power utilization type of the power utilization equipment; and in one preferred scheme, the power lines are distributed according to real-time monitoring conditions and historical use conditions.
(3) The fault monitoring and anti-theft module is used for jointly judging whether equipment has faults or not according to the real-time power utilization condition and the cable anti-theft condition, and the judgment is more accurate through the mode, rather than only adopting the current/voltage/power real-time monitoring unit to carry out fault monitoring independently.
(4) According to the cable anti-theft device, the size of a signal sent by the cable which forms the antenna after being electrified is detected, and the length data is obtained according to the diameter data, so that the cable anti-theft is realized, and the problem of poor anti-theft effect in the prior art is solved; meanwhile, the invention also realizes the data detection of different conditions through a convolutional neural network model, thereby realizing the function of artificial intelligence.
Drawings
FIG. 1 is a block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 the description of the present invention, it should be noted that directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are directions or positional relationships described based on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides an integrated power distribution management system which is suitable for managing a power distribution system with a large number of power utilization equipment, wherein the power utilization monitoring and adjusting, and power utilization fault monitoring and anti-theft are two large parts.
Specifically, as shown in fig. 1, an integrated power distribution management system includes:
the power utilization monitoring and adjusting module is used for monitoring the power utilization condition of the equipment and distributing different power utilization lines and power utilization time to the equipment according to the actual condition;
and the fault monitoring and anti-theft module is used for monitoring the fault condition of the equipment and preventing the cable from being stolen.
The following describes the preferred embodiments of the electricity monitoring and adjusting module and the fault monitoring and anti-theft module in detail.
Preferably, in this embodiment, the power consumption monitoring and adjusting module includes:
the current/voltage/power real-time monitoring unit is used for monitoring the real-time power utilization condition of the electric equipment including real-time current/voltage/power;
the power utilization circuit distribution unit is used for adjusting the power utilization circuit of the electric equipment according to the monitoring result and/or the power utilization type of the current/voltage/power real-time monitoring unit;
and the electricity utilization time distribution unit is used for adjusting the electricity utilization time of the electric equipment according to the monitoring result and/or the electricity utilization type of the current/voltage/power real-time monitoring unit.
The current/voltage/power real-time monitoring unit may monitor one of current/voltage/power in real time, or may monitor a combination of any plurality of items. The power utilization circuit distribution unit is mainly used for carrying out circuit adjustment on electric equipment in the power utilization circuit and electric equipment to be added into the power utilization circuit according to the monitoring result of the current/voltage/power real-time monitoring unit, such as switching of a power supply and the like, and the type of power utilization is also greatly considered in switching; the electricity utilization time distribution unit adjusts the electricity utilization time of the electricity utilization equipment mainly according to the monitoring result and/or the electricity utilization type of the current/voltage/power real-time monitoring unit, for example, the electricity utilization equipment is charging equipment, and the electricity utilization time of the electricity utilization equipment can be adjusted to a low-cost time period for charging.
More preferably, in the present embodiment, in the power line distribution unit, the monitoring result of the current/voltage/power real-time monitoring unit includes a total monitoring result of the power line calculated according to a single monitoring result of each power consumption device, and a future power consumption situation is predicted according to a historical power consumption situation, so as to adjust the power consumption devices of the power line and the power consumption devices to be added to the power line.
That is, one preferred solution of this embodiment is to allocate the power lines according to the real-time monitoring situation and the historical usage situation.
Preferably, in this embodiment, the fault monitoring and anti-theft module includes:
the current/voltage/power real-time monitoring unit is used for monitoring the real-time power utilization condition of the electric equipment including real-time current/voltage/power;
the cable anti-theft unit is used for judging whether a cable connected with the electric equipment is stolen or not;
and the fault monitoring unit is used for judging whether the equipment has faults or not according to the real-time monitoring results of the current/voltage/power real-time monitoring unit and the cable anti-theft unit.
That is to say, the fault monitoring and anti-theft module is used for jointly judging whether equipment has faults or not according to the real-time power utilization condition and the cable anti-theft condition.
Preferably, in the present embodiment, in the fault monitoring unit, when the real-time monitoring results of the current/voltage/power real-time monitoring unit and the cable theft-prevention unit are both normal, the device is normal; when the real-time monitoring result of the current/voltage/power real-time monitoring unit is abnormal and the real-time monitoring result of the cable anti-theft unit is normal, the equipment fails; and when the real-time monitoring result of the cable anti-theft unit is abnormal, the cable is stolen.
By the method, the judgment is more accurate, and the fault monitoring is not carried out by only adopting the current/voltage/power real-time monitoring unit alone.
Example 2
Based on the implementation of embodiment 1, the embodiment provides a comprehensive power distribution management system, and further discloses a specific implementation manner of the cable anti-theft unit. The embodiment is applied to the situation of cables forming the antenna after being electrified, and the signals generated by the antenna formed by the cables with different lengths and different diameters are different in size, so that length data can be obtained by detecting the size of the signals and according to diameter data, the anti-theft effect of the cables is realized, and the problem of poor anti-theft effect in the prior art is solved.
More preferably, in this embodiment, the cable theft preventing unit includes:
the data processing unit is used for acquiring the generated signal data which is received by the receiver and generated after the cable is electrified, and packing the generated signal data with the electrified signal data, the cable diameter and the cable length which are sent by the transmitter to form cable characteristic data; the cable characteristic data are further divided into training samples and testing samples; the test sample is used for testing the trained convolutional neural network model, and after the test is finished, the trained convolutional neural network model is sent to the receiver;
the transmitter is used for transmitting the power-on signal data, the cable diameter and the cable length to the data processing unit; the anti-theft device is also used for electrifying the cable to be prevented from being stolen and sending electrifying signal data, the diameter of the cable and the length of the complete cable to the receiver;
the receiver is used for acquiring the trained convolutional neural network model; the system is also used for packaging and inputting the generated signal data generated after the cable to be prevented from being stolen is electrified, the electrified signal data sent by the transmitter and the cable diameter which are received in real time into the trained convolutional neural network model, and obtaining the predicted cable length result data through the trained convolutional neural network model; the system is also used for judging whether the cable is stolen or not according to the predicted cable length result data and the complete cable length;
the cable is a cable which forms an antenna after being electrified.
Specifically, the use flow of the modules is as follows:
s1: and the data processing unit acquires the generated signal data received by the receiver and generated after the cable is electrified, and packs the generated signal data with the electrified signal data, the cable diameter and the cable length which are sent by the transmitter to form cable characteristic data.
Wherein, step S1～Step S3 is a data acquisition and model training step.
Specifically, in step S1, all the data received by the data processing unit preferably include data obtained after the cable is laid to simulate the shape to be laid, including the generated signal data collected by the receiver, and the power-on signal data, the cable diameter and the cable length sent by the transmitter. In addition, the transmitter is preferably a fixed location. Meanwhile, preferably, in this embodiment, the transmitter acquires the data of the cable diameter, the cable length and the complete cable length through the input panel. The same type of cable can be used for data acquisition with different lengths or control of different power-on signal data.
And in this step, the packed feature data is in the form of: (generated signal data, power-on signal data, cable diameter, cable length). The generated signal data mainly refers to the signal strength and/or signal waveform transmitted by an antenna formed after the cable is electrified, and the electrified signal data mainly refers to the current/voltage magnitude of the cable electrification and the like.
In addition, in the present embodiment, the cable power-on refers to weak current.
S2: and dividing the cable characteristic data into a training sample and a test sample.
There is essentially no difference between the training samples and the test samples, but they are classified.
S3: inputting the training sample into a convolutional neural network model for training to obtain a trained convolutional neural network model; and testing the trained convolutional neural network model by using the test sample, and sending the trained convolutional neural network model to the receiver after the test is finished.
Preferably, in this embodiment, the convolutional neural network includes: the device comprises an input layer, a first convolution layer, a first pooling layer, a second convolution layer, a second pooling layer, a full-link layer and an output layer. However, the training mode and the testing mode for the convolutional neural network model belong to the prior art, and are not described herein again.
In addition, preferably, in the training in step S3, the number of iterations is 500, and the training precision is 85%.
Thus, a trained convolutional neural network model required for the receiver is obtained, and the following steps S4 to S6 (and preferably step S7) are data processing determination steps.
S4: and the transmitter connected with the cable to be prevented from being stolen powers on the cable to be prevented from being stolen, and transmits power-on signal data, the diameter of the cable and the length of the complete cable to the receiver.
Wherein, similar to the previous, preferably, in this embodiment, the transmitter acquires the data of the cable diameter, the cable length and the complete cable length through the input panel; the portion of data and the power-on signal data are then transmitted to a receiver.
S5: and the receiver packs and inputs the generated signal data generated after the cable to be prevented from being stolen is electrified, the electrified signal data and the cable diameter which are received in real time into the trained convolutional neural network model, and the predicted cable length result data is obtained through the trained convolutional neural network model.
The trained convolutional neural network model can predict real-time cable length result data only by inputting the generated signal data, the power-on signal data sent by the transmitter and the cable diameter.
S6: and judging whether the cable is stolen or not according to the predicted cable length result data and the complete cable length.
Specifically, in the present embodiment, the difference of the data lengths is within plus or minus 2%, which belongs to the normal error range, otherwise, it is considered as stolen.
Preferably, in this embodiment, the method further includes:
s7: the judgment result of the step S6 is uploaded to the data processing unit and/or the manager.
It is to be understood that the above-described embodiments are illustrative only and not restrictive of the broad invention, and that various other modifications and changes in light thereof will be suggested to persons skilled in the art based upon the above teachings. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (8)
1. An integrated power distribution management system, characterized by: the method comprises the following steps:
the power utilization monitoring and adjusting module is used for monitoring the power utilization condition of the equipment and distributing different power utilization lines and power utilization time to the equipment according to the actual condition;
the fault monitoring and anti-theft module is used for monitoring the fault condition of equipment and preventing the cable from being stolen;
the fault monitoring and anti-theft module comprises:
the current/voltage/power real-time monitoring unit is used for monitoring the real-time power utilization condition of the electric equipment including real-time current/voltage/power;
the cable anti-theft unit is used for judging whether a cable connected with the electric equipment is stolen or not;
the fault monitoring unit is used for judging whether equipment has faults or not according to the real-time monitoring results of the current/voltage/power real-time monitoring unit and the cable anti-theft unit;
the cable anti-theft unit includes:
the data processing unit is used for acquiring the generated signal data which is received by the receiver and generated after the cable is electrified, and packing the generated signal data with the electrified signal data, the cable diameter and the cable length which are sent by the transmitter to form cable characteristic data; the cable characteristic data are further divided into training samples and testing samples; the test sample is used for testing the trained convolutional neural network model, and after the test is finished, the trained convolutional neural network model is sent to the receiver;
the transmitter is used for transmitting the power-on signal data, the cable diameter and the cable length to the data processing unit; the anti-theft device is also used for electrifying the cable to be prevented from being stolen and sending electrifying signal data, the diameter of the cable and the length of the complete cable to the receiver;
the receiver is used for acquiring the trained convolutional neural network model; the system is also used for packaging and inputting the generated signal data generated after the cable to be prevented from being stolen is electrified, the electrified signal data sent by the transmitter and the cable diameter which are received in real time into the trained convolutional neural network model, and obtaining the predicted cable length result data through the trained convolutional neural network model; the system is also used for judging whether the cable is stolen or not according to the predicted cable length result data and the complete cable length;
the cable is a cable which forms an antenna after being electrified.
2. An integrated power distribution management system according to claim 1, wherein: the power consumption monitoring and adjusting module comprises:
the current/voltage/power real-time monitoring unit is used for monitoring the real-time power utilization condition of the electric equipment including real-time current/voltage/power;
the power utilization circuit distribution unit is used for adjusting the power utilization circuit of the electric equipment according to the monitoring result and/or the power utilization type of the current/voltage/power real-time monitoring unit;
and the electricity utilization time distribution unit is used for adjusting the electricity utilization time of the electric equipment according to the monitoring result and/or the electricity utilization type of the current/voltage/power real-time monitoring unit.
3. An integrated power distribution management system according to claim 2, wherein: in the power utilization line distribution unit, the monitoring result of the current/voltage/power real-time monitoring unit comprises a total monitoring result of the power utilization line calculated according to the single monitoring result of each power utilization device, and the future power utilization situation is predicted according to the historical power utilization situation, so that the power utilization devices of the power utilization line and the power utilization devices to be added into the power utilization line are adjusted.
4. An integrated power distribution management system according to claim 1, wherein: in the fault monitoring unit, when the real-time monitoring results of the current/voltage/power real-time monitoring unit and the cable anti-theft unit are normal, the equipment is normal; when the real-time monitoring result of the current/voltage/power real-time monitoring unit is abnormal and the real-time monitoring result of the cable anti-theft unit is normal, the equipment fails; and when the real-time monitoring result of the cable anti-theft unit is abnormal, the cable is stolen.
5. An integrated power distribution management system according to claim 1 or 4, wherein: the convolutional neural network comprises: the device comprises an input layer, a first convolution layer, a first pooling layer, a second convolution layer, a second pooling layer, a full-link layer and an output layer.
6. An integrated power distribution management system according to claim 1 or 4, wherein: and the transmitter acquires the data of the diameter of the cable, the length of the cable and the length of the complete cable through an input panel.
7. An integrated power distribution management system according to claim 1 or 4, wherein: the receiver is also used for uploading the judgment result to the data processing unit and/or a manager.
8. An integrated power distribution management system according to claim 1 or 4, wherein: the number of iterations for training is 500, and the training precision is 85%.
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| CN100538380C (en) * | 2006-03-16 | 2009-09-09 | 重庆大学 | Based on the online distance-finding method of the cable fault of artificial nerve network model |
| CN101593938A (en) * | 2009-03-20 | 2009-12-02 | 浙江昌泰科技股份有限公司 | Digitalized low-voltage comprehensive distribution box |
| CN102004209A (en) * | 2010-12-03 | 2011-04-06 | 丹东欣泰电气股份有限公司 | Distribution network cable fault on-line distance measuring equipment and distance measuring method |
| KR101667832B1 (en) * | 2012-04-23 | 2016-10-20 | 엘에스산전 주식회사 | Apparatus and method for correcting of acquired data |
| CN104700527B (en) * | 2014-08-28 | 2017-09-29 | 安徽工程大学 | Cable anti-theft device and its method |
| CN107730117B (en) * | 2017-10-17 | 2021-12-21 | 中国电力科学研究院 | Cable maintenance early warning method and system based on heterogeneous data comprehensive analysis |
| CN107958558A (en) * | 2017-12-04 | 2018-04-24 | 国家电网公司 | A kind of cable anti-theft device |
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