CN112909963A - Distribution network and thing networking distributing type reactive compensation system - Google Patents

Distribution network and thing networking distributing type reactive compensation system Download PDF

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Publication number
CN112909963A
CN112909963A CN202110332868.1A CN202110332868A CN112909963A CN 112909963 A CN112909963 A CN 112909963A CN 202110332868 A CN202110332868 A CN 202110332868A CN 112909963 A CN112909963 A CN 112909963A
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power
internet
things
reactive power
distribution
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CN112909963B (en
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胡群勇
黄智勇
陆文伟
袁杰生
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Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18Arrangements for adjusting, eliminating or compensating reactive power in networks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

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  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention relates to a power distribution network and Internet of things distributed reactive power compensation system, which comprises a power distribution transformer, a power utilization end, a reactive power compensation device and a monitoring platform, wherein the reactive power compensation device comprises an intelligent capacitor bank; by arranging the reactive compensation device close to the power utilization end with the power factor smaller than the power factor threshold value, the nearby compensation in a multi-point distribution mode is realized, so that the power factor of the low-voltage distribution line is improved, the line loss is reduced, the power supply capacity of the line is improved, and the voltage qualification rate of the tail end of the line is improved; still read the operating parameter that reactive power compensator set up on low pressure distribution lines through thing networking control module to reach cloud monitoring platform in real time with the operating parameter and supply distribution operation and maintenance personnel analysis and reference, can let distribution operation and maintenance personnel need not to arrive reactive power compensator's scene, distribution operation and maintenance personnel also can set up reactive power compensator's operating parameter through cloud monitoring platform in order to realize the control to this reactive power compensator, the management and control of distribution operation and maintenance personnel to the distribution network of being convenient for.

Description

Distribution network and thing networking distributing type reactive compensation system
Technical Field
The invention relates to the technical field of power distribution networks, in particular to a power distribution network and an Internet of things distributed reactive power compensation system.
Background
In a power distribution network of a power system, public transformation users with the reported capacity within 100 kilovolt-ampere and not higher than 400 volt do not need to perform reactive power management, agricultural farmers and small industrial users apply three-phase motors in large quantity, the power factor is low, the line loss of a low-voltage 400 volt distribution line is high, the transmission capacity is reduced, the terminal voltage is low, and the most effective mode for processing the problems is to configure reactive power compensation devices with corresponding capacities nearby the users.
The traditional reactive compensation strategy of the power distribution network to the public low-voltage 400-volt power distribution network is to intensively arrange a reactive compensation device at a low-voltage 400-volt bus (a power supply end) of a distribution transformer, although the reactive compensation strategy can improve the power factor and the voltage of the distribution transformer, when a power utilization place of a user end is far away from the distribution transformer and the power factor is low, a large amount of reactive power is transmitted on a low-voltage line for a long distance, and the current for transmitting the same active power is increased. Therefore, the following problems can exist in the conventional reactive compensation strategy:
firstly, the loss of a low-voltage power supply line is high, the transmission capacity is reduced, the voltage drop of the line is increased, and the voltage of a user side is easy to be low.
Secondly, the distribution operation and maintenance personnel cannot master the state of the reactive power compensation device in real time, the distribution operation and maintenance personnel can only reach the field of the reactive power compensation device to perform primary judgment on the operation state of the reactive power compensation device, the inspection and management on the state of the reactive power compensation device are often omitted due to heavy work tasks in actual work, and under general conditions, the distribution operation and maintenance personnel cannot master whether the reactive power compensation device is in a normal operation state. If the reactive power compensation device with the fault is not known by power distribution operation and maintenance personnel in the operation process, the power utilization hidden danger cannot be solved in time, and the problems that the safe operation harm is brought to the circuit of the power distribution network or the compensation capacity is insufficient, the control unit is damaged to cause under-compensation or over-compensation to influence the consumption reduction effect and the like can be caused.
And thirdly, the control parameters of the reactive compensation device do not support remote reading and setting, and the power distribution operation and maintenance personnel can only look up and set the control parameters of the reactive compensation device when arriving at the site of the reactive compensation device, so that the operation is complex in the process of looking up and setting, the time is long, and the work of adjusting and controlling the reactive compensation device by the power distribution operation and maintenance personnel is greatly increased.
Disclosure of Invention
The embodiment of the invention provides a power distribution network and an Internet of things distributed reactive power compensation system, which are used for solving the technical problems that a reactive power compensation device is arranged on a transformer of the power distribution network and is applied to a power end with the voltage not higher than 400V, so that the power consumption voltage is low, the consumption of a low-voltage power transmission line is high at a user end, and the reactive power compensation device cannot be controlled in real time, so that the operation and maintenance are difficult.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
an internet of things distributed reactive power compensation system is applied to a power distribution network, the power distribution network comprises a power distribution transformer and at least one power consumption end connected with the power distribution transformer through a low-voltage distribution line, the internet of things distributed reactive power compensation system comprises at least one reactive power compensation device and a cloud monitoring platform used for monitoring the operation of the reactive power compensation device, the reactive power compensation device is arranged on the low-voltage distribution line, connected with the power distribution transformer, of the power consumption end with a power factor smaller than a power factor threshold value, and the reactive power compensation device comprises an internet of things control module, and a data acquisition module, a controller, a communication module and an intelligent capacitor bank which are connected with the internet of things control module;
the data acquisition module is used for acquiring the electric quantity output to a power utilization end by the distribution transformer in real time and acquiring the switching state of the intelligent capacitor bank to obtain acquired data and transmitting the acquired data to the Internet of things control module;
the controller is used for setting and storing the operation parameters of the intelligent capacitor bank and controlling the operation of the intelligent capacitor bank according to the operation parameters;
the internet of things control module is used for reading the operation parameters in the controller and transmitting the acquired data and the operation parameters to the cloud monitoring platform through the communication module;
and the cloud monitoring platform is used for displaying the operation parameters and the acquired data for power distribution operation and maintenance personnel.
Preferably, the internet of things control module is further configured to transmit the regulation and control parameter of the intelligent capacitor bank transmitted by the cloud monitoring platform to the controller, and the controller controls the capacity switching of the intelligent capacitor bank according to the regulation and control parameter.
Preferably, the control parameter is a parameter obtained by adjusting an operation parameter in the intelligent capacitor bank by the power distribution operation and maintenance personnel.
Preferably, the reactive power compensation device further includes: and the storage module is connected with the Internet of things control module and is used for storing the acquired data and the operating parameters.
Preferably, the reactive power compensation device further includes: and the display module is used for displaying the acquired data and the operating parameters.
Preferably, at least one group of capacitors is arranged on the intelligent capacitor group.
Preferably, each set of said capacitors comprises at least two capacitances.
Preferably, the data acquisition module acquires three-phase current, voltage, active power, reactive power and power factor output to a power utilization end by the distribution transformer in real time; the data acquisition module is also used for acquiring the switching state of each capacitor of the intelligent capacitor bank in real time.
Preferably, the power factor threshold is 0.9.
Preferably, the controller is a YS200B-64F model reactive power controller.
The invention also provides a power distribution network which comprises the Internet of things distributed reactive power compensation system.
According to the technical scheme, the embodiment of the invention has the following advantages:
the power distribution network and internet of things distributed reactive power compensation system comprises a power distribution transformer, a power utilization end, a low-voltage distribution line, a reactive power compensation device and a cloud monitoring platform, wherein an intelligent capacitor bank is arranged on the reactive power compensation device; by arranging the reactive compensation device close to the power utilization end with the power factor smaller than the power factor threshold value, the nearby compensation in a multi-point distribution mode is realized, so that the power factor of the low-voltage distribution line is improved, the line loss is reduced, the power supply capacity of the line is improved, and the voltage qualification rate of the tail end of the line is improved; still read the operating parameter that reactive power compensator set up on low pressure distribution lines through thing networked control module, and upload the operating parameter in real time to cloud monitoring platform for distribution operation and maintenance personnel analysis and reference, can let distribution operation and maintenance personnel need not to reach reactive power compensator's scene, distribution operation and maintenance personnel's maintenance of being convenient for, the management and control of distribution operation and maintenance personnel to the distribution network of also being convenient for, it uses at the power end that is not higher than 400V to have solved to set up reactive power compensator on the transformer of distribution network now, make there is the power consumption voltage low partially at the user end, low voltage transmission line consumes highly, and unable real-time management and control reactive power compensator leads to the difficult technical problem of operation and maintenance.
This thing networking distributing type reactive power compensation system also can let distribution maintenance personal can comprehensively and high-efficiently master a large amount of reactive power compensation device's running state through cloud monitor platform, distribution fortune dimension personnel accessible cloud monitor platform sets up in order to realize the control to reactive power compensation device's operating parameter, distribution fortune dimension personnel accessible analysis cloud monitor platform data in time discovers the unusual reactive power compensation device of individual operation in the reactive power compensation device of a large amount of operations, so that distribution fortune dimension personnel in time high-efficiently develop the maintenance work of disappearing, make this thing networking distributing type reactive power compensation system normalizes and operates in good condition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a framework diagram of an internet of things distributed reactive power compensation system according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of multipoint nearby compensation of a reactive power compensation device of an internet of things distributed reactive power compensation system according to an embodiment of the present invention.
Fig. 3 is another frame diagram of the internet of things distributed reactive power compensation system according to the embodiment of the present invention.
Fig. 4 is a framework diagram of another internet of things distributed reactive power compensation system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the application provides a distribution network and thing networking distributing type reactive power compensation system for it uses at the power end that is not higher than 400V to have solved to set up reactive power compensator on the transformer of current distribution network, makes to have power consumption voltage low on the side, low voltage transmission line consume height at the user, and can't manage and control reactive power compensator in real time and lead to the difficult technical problem of fortune dimension.
The first embodiment is as follows:
fig. 1 is a framework diagram of an internet of things distributed reactive power compensation system according to an embodiment of the present invention, and fig. 2 is a schematic view of multi-point nearby compensation of a reactive power compensation device of the internet of things distributed reactive power compensation system according to an embodiment of the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an internet of things distributed reactive power compensation system, which is applied to a power distribution network, where a power distribution network 10 includes a distribution transformer 11 and at least one power consumption end 12 connected to the distribution transformer 11 through a low-voltage distribution line, the internet of things distributed reactive power compensation system includes at least one reactive power compensation device 20 and a cloud monitoring platform 30 for monitoring operation of the reactive power compensation device, the reactive power compensation device 20 is disposed on the low-voltage distribution line where the power consumption end 12 with a power factor smaller than a power factor threshold is connected to the distribution transformer 11, and the reactive power compensation device 20 includes an internet of things control module 22, and a data acquisition module 23, a controller 24, a communication module 25, and an intelligent capacitor bank 21 connected to the internet of things control module 22;
the data acquisition module 23 is used for acquiring the electric quantity output to the power utilization end 12 by the distribution transformer 11 and the switching state of the intelligent capacitor bank 21 in real time to obtain acquired data and transmitting the acquired data to the internet of things control module 22;
a controller 24 for setting, storing the operation parameters of the intelligent capacitor bank 21 and controlling the operation of the intelligent capacitor bank 21 according to the operation parameters;
the internet of things control module 22 is used for reading the operation parameters in the controller 24 and transmitting the acquired data and the operation parameters to the cloud monitoring platform 30 through the communication module 25;
and the cloud monitoring platform 30 is used for displaying the operation parameters and acquiring data for power distribution operation and maintenance personnel.
As shown in fig. 2, in the embodiment of the present invention, in the power distribution network 10, when the power factor of the power consumption end 12 is smaller than the power factor threshold, the reactive power compensation device 20 is connected in parallel on the low-voltage distribution line (low-voltage outgoing line) between the power consumption end 12 and the distribution transformer 11, so as to realize the near compensation in a multi-distribution manner. Wherein the reactive power compensation device 20 is arranged close to the consumer 12. The reactive power compensation device 20 can be connected in parallel between the power consumption end 12 and the distribution transformer 11 as required.
It should be noted that, because a smaller-capacity compensation-free power compensation device is arranged near each low-voltage load concentration position with a low power factor for supplying power to the low-voltage outgoing line, the reactive power compensation demand is automatically matched for the power utilization end 12, and the long-distance flow of the reactive power on the low-voltage line for power transmission of the distribution transformer 11 is reduced, so that the power factor of the distribution line is improved, the line loss is reduced, the power supply capacity of the line is increased, and the voltage qualification rate of the tail end of the line is improved. In this embodiment, the consumer 12 may be a load with a low power factor of not higher than 400V in a farm, a small factory, or the like. The power factor threshold is preferably 0.9.
In the embodiment of the present invention, the reactive power compensation device 20 is provided with an intelligent capacitor group 21 formed by at least one group of capacitors, and each group of capacitors includes at least two capacitors.
It should be noted that, the reactive power compensation device 20 is a reactive power compensation device with a capacity of 60 kilometres, and two sets of "YSC- Δ intelligent capacitor banks" may be configured in the tank of the reactive power compensation device 20: 0.45-10+ 20', each group of capacitors can be respectively charged with 10, 20 and (10+20) kilo-depletion capacitance according to needs, or two groups of capacitors can be respectively charged with 10, 20, (10+20), (10+10), (20+20), (10+10+20), (10+20+20) and (10+10+20+20) kilo-depletion reactive capacity according to needs. In this embodiment, the capacitor capacity collocation of each group of capacitors can be dynamically set according to the real-time reactive demand of the installation site.
In the embodiment of the invention, the reactive power compensation device 20 is mainly used for monitoring the reactive power compensation device, the data acquired from the intelligent capacitor bank 21 and the operation parameters of the reactive power compensation device 20 are transmitted to the cloud monitoring platform 30 through the internet of things control module 22, and the power distribution operation and maintenance personnel monitor the operation states of the power distribution network 10 and the reactive power compensation device 20 in real time through the cloud monitoring platform 30, so that conditions are created for timely carrying out on-site defect elimination work, and the work efficiency is greatly improved.
In the embodiment of the present invention, the cloud monitoring platform 30 mainly displays data transmitted by the internet of things control module 22, so as to facilitate the checking and review of the power distribution operation and maintenance personnel.
It should be noted that the cloud monitoring platform 30 may be a terminal device with a display function, such as a computer, an iPad, or a mobile phone.
In the embodiment of the present invention, the internet of things control module 22 is mainly configured to receive data collected by the data collection module 23, read an operation parameter of the controller 24 controlling the operation of the intelligent capacitor bank 21, and transmit the collected data and the operation parameter to the cloud monitoring platform 30 through the communication module 25. The internet of things control module 22 is further configured to transmit the regulation and control parameter, which is transmitted by the cloud monitoring platform 30 to the intelligent capacitor bank 21, to the controller 24, and the controller 24 controls the capacity switching of the intelligent capacitor bank 21 according to the regulation and control parameter, where the regulation and control parameter is a parameter after the power distribution operation and maintenance personnel adjust the operation parameter in the intelligent capacitor bank 21.
It should be noted that, the internet of things distributed reactive power compensation system reads the operation parameters of the intelligent capacitor bank 21 controlled by the controller 24 through the internet of things control module 22, and uploads the operation parameters to the cloud monitoring platform 30 in real time for analysis and reference by the power distribution operation and maintenance personnel, if the power distribution operation and maintenance personnel need to adjust the operation parameters, adjustment parameters are obtained, the adjusted adjustment parameters are sent to the internet of things control module 22 through the cloud monitoring platform 30, the operation parameters of the intelligent capacitor bank 21 controlled by the controller 24 are set through the internet of things control module 22, after the operation parameters of the intelligent capacitor bank 21 are controlled to be changed, the controller 24 controls the switching action of the intelligent capacitor bank 21 according to the set adjustment parameter conditions, so that the control rules of the on-site power distribution network 10 and the reactive power compensation device 20 are correspondingly changed, and therefore, the power distribution operation and maintenance personnel do not need to reach the site of the power distribution network 10 through the distributed reactive power compensation system, the operation parameters of the reactive power compensation device installed on the power distribution network in the field can be adjusted in a long distance and high efficiency mode.
In the embodiment of the present invention, the data acquisition module 23 is mainly used for acquiring the electrical quantity output from the distribution transformer 11 to the power consumption end 12 and acquiring the switching state of the intelligent capacitor bank 21.
It should be noted that the data acquisition module 23 acquires the electrical quantities output from the distribution transformer 11 to the power consumption end 12, which include three-phase current, voltage, active power, reactive power, power factor, and the like. The data acquisition module 23 also acquires the switching state of each capacitor of the intelligent capacitor bank 21 in real time.
In the embodiment of the present invention, the controller 24 is mainly used for controlling setting and storing the operation parameters of the intelligent capacitor bank 21, thereby controlling the operation of the intelligent capacitor bank 21.
It should be noted that the operation parameters of the intelligent capacitor bank 21 include parameters such as current transformation ratio, voltage transformation ratio, over/under voltage protection, harmonic voltage/current protection, switching threshold coefficient, switching waiting delay, switching response waiting time, cyclic switching interval time, capacitor discharge time, protection duration, manual duration, and capacitor capacity. In this embodiment, controller 24 is preferably a model YS200B-64F reactive power controller.
In the embodiment of the present invention, the communication module 25 is mainly used for transmitting data and implementing wireless transmission.
It should be noted that the communication module 25 may be WiFi, or may also be bluetooth, NB-IoT network transmission module, internet, or other wireless transmission technologies.
According to the distributed reactive compensation system of the Internet of things, reactive compensation devices are connected in parallel on the low-voltage lines which are close to each power utilization end and connected with the distribution transformer, so that nearby compensation in a multi-distribution-point mode is realized, the power factor of the distribution lines is improved, the line loss is reduced, the power supply capacity of the lines is improved, and the voltage qualified rate of the tail ends of the lines is improved; still read the operating parameter through thing networked control module, and upload the operating parameter in real time to cloud monitoring platform for distribution operation and maintenance personnel analysis and reference, can let distribution operation and maintenance personnel need not to arrive reactive power compensator's scene, distribution operation and maintenance personnel's the maintenance of being convenient for, also be convenient for distribution operation and maintenance personnel is to the management and control of distribution network, it uses at the power end that is not higher than 400V to have solved to set up reactive power compensator on the transformer of current distribution network, make there be the power consumption voltage low partially at the user end, low voltage transmission line consume is high, and can't manage and control reactive power compensator in real time and lead to the difficult technical problem of operation and maintenance.
Fig. 3 is another frame diagram of the internet of things distributed reactive power compensation system according to the embodiment of the present invention.
As shown in fig. 3, in an embodiment of the present invention, the internet of things distributed reactive power compensation system further includes: and the storage module 26 is connected with the internet of things control module 22, and the storage module 26 is used for storing the acquired data and the operating parameters.
The storage module 26 may be a Memory card, or may be various storage media such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Fig. 4 is a framework diagram of another internet of things distributed reactive power compensation system according to an embodiment of the present invention.
As shown in fig. 4, in an embodiment of the present invention, the internet of things distributed reactive power compensation system further includes: and the display module 27 is connected with the internet of things control module 22, and the display module 27 is used for displaying the acquired data and the operating parameters.
It should be noted that the display module 27 may be a liquid crystal display, and may also be a terminal device having a display function.
Example two:
the embodiment of the invention also provides a power distribution network which comprises the Internet of things distributed reactive power compensation system.
It should be noted that the internet of things distributed reactive power compensation system in the second embodiment is already described in detail in the first embodiment, and therefore, the contents of the internet of things distributed reactive power compensation system in the second embodiment are not described in detail.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The distributed reactive compensation system of the Internet of things is applied to a power distribution network, the power distribution network comprises a power distribution transformer and at least one power consumption end connected with the power distribution transformer through a low-voltage distribution line, and is characterized by comprising at least one reactive compensation device and a cloud monitoring platform used for monitoring the operation of the reactive compensation device, the reactive compensation device is arranged on the low-voltage distribution line, connected with the power distribution transformer, of the power consumption end with the power factor smaller than a power factor threshold value, and the reactive compensation device comprises an Internet of things control module, and a data acquisition module, a controller, a communication module and an intelligent capacitor bank which are connected with the Internet of things control module;
the data acquisition module is used for acquiring the electric quantity output to a power utilization end by the distribution transformer in real time and acquiring the switching state of the intelligent capacitor bank to obtain acquired data and transmitting the acquired data to the Internet of things control module;
the controller is used for setting and storing the operation parameters of the intelligent capacitor bank and controlling the operation of the intelligent capacitor bank according to the operation parameters;
the internet of things control module is used for reading the operation parameters in the controller and transmitting the acquired data and the operation parameters to the cloud monitoring platform through the communication module;
and the cloud monitoring platform is used for displaying the operation parameters and the acquired data for power distribution operation and maintenance personnel.
2. The internet of things distributed reactive power compensation system of claim 1, wherein the internet of things control module is further configured to transmit regulation and control parameters of the intelligent capacitor bank transmitted by the cloud monitoring platform to the controller, and the controller controls capacity switching of the intelligent capacitor bank according to the regulation and control parameters.
3. The internet of things distributed reactive power compensation system of claim 2, wherein the regulation and control parameter is a parameter obtained by adjusting an operation parameter in the intelligent capacitor bank by the power distribution operation and maintenance personnel.
4. The internet of things distributed reactive compensation system of claim 1, wherein the reactive compensation device further comprises: and the storage module is connected with the Internet of things control module and is used for storing the acquired data and the operating parameters.
5. The internet of things distributed reactive compensation system of claim 1, wherein the reactive compensation device further comprises: and the display module is used for displaying the acquired data and the operating parameters.
6. The internet of things distributed reactive power compensation system of claim 1, wherein at least one capacitor is arranged on the intelligent capacitor bank.
7. The internet of things distributed reactive compensation system of claim 6, wherein each set of the capacitors comprises at least two capacitances.
8. The internet of things distributed reactive power compensation system of claim 6, wherein the data acquisition module acquires three-phase current, voltage, active power, reactive power and power factor output by the distribution transformer to a power utilization end in real time; the data acquisition module is also used for acquiring the switching state of each capacitor of the intelligent capacitor bank in real time.
9. The internet of things distributed reactive compensation system of claim 1, wherein the power factor threshold is 0.9.
10. An electric power distribution network comprising the internet of things distributed reactive power compensation system according to any one of claims 1 to 9.
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