CN209282844U - Distribution network load switches decreasing loss system - Google Patents
Distribution network load switches decreasing loss system Download PDFInfo
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- CN209282844U CN209282844U CN201822273884.4U CN201822273884U CN209282844U CN 209282844 U CN209282844 U CN 209282844U CN 201822273884 U CN201822273884 U CN 201822273884U CN 209282844 U CN209282844 U CN 209282844U
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- 230000003247 decreasing effect Effects 0.000 title claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of distribution network loads to switch decreasing loss system, multiple weight adjustment devices of each node of power distribution network are set including intelligent distribution transformer terminals and the distribution for establishing communication connection with the intelligent distribution transformer terminals, each weight adjustment device is correspondingly connected with power distribution network energy-saving compensating device or user load.The utility model has the following beneficial effects: multiple for controlling the weight adjustment device of corresponding power distribution network energy-saving compensating device and user load work by being laid in each node of power distribution network, each described weight adjustment device and intelligent distribution transformer terminals communicate to connect, realize the long-distance intelligent coordinated control to each power distribution network energy-saving compensating device and each user load, the line loss per unit for reducing power distribution network improves the power supply quality in corresponding platform area and the electricity consumption satisfaction of user.
Description
Technical field
The utility model relates to decreasing loss systems technology fields, can reduce line loss per unit more particularly, to one kind, improve power supply
The distribution network load of efficiency switches decreasing loss system.
Background technique
Power grid is the significant transportation channel of electric energy, and power grid itself saving energy and decreasing loss is the important composition portion of China's energy conservation
Point.China's power distribution network is multi-point and wide-ranging, and line construction is complicated, and loss is larger, and according to ASSOCIATE STATISTICS, the loss of power distribution network itself accounts for power grid
50% or more of total losses.
In recent years, Guo Wangge power supply company reduced grid loss etc. lower foot time in transformation electric network composition, such as
Power distribution station is taken and such as increases distribution transformer quantity, distribution transformer is laid in platform area load center position, is contracted
Short radius of electricity supply increases the diameter of power transmission line, and new frame service conductor etc. is a series of using decreasing loss as the technological transformation of target, also receives
Preferably effect is arrived.But due to the support for being limited to fund, technology etc., the platform area line losses per unit in many areas still compared with
Height has dragged down the qualification rate of this area's power distribution network synthesis voltage, reduces power supply efficiency and the electricity consumption satisfaction of user.
Utility model content
For the utility model in order to overcome line loss per unit existing in the prior art high, power supply efficiency is low low with electricity consumption satisfaction
Deficiency, providing one kind can reduce line loss per unit, improve the distribution network load switching decreasing loss system of power supply efficiency.
To achieve the goals above, the utility model uses following technical scheme:
A kind of distribution network load switches decreasing loss system, including intelligent distribution transformer terminals and establishes with the intelligent distribution transformer terminals logical
Multiple weight adjustment devices of each node of power distribution network are arranged in the distribution of letter connection, each weight adjustment device is correspondingly connected with
Power distribution network energy-saving compensating device or user load.
The utility model is multiple for controlling corresponding power distribution network energy-saving compensating device by laying in each node of power distribution network
With the weight adjustment device of user load work, each described weight adjustment device and intelligent distribution transformer terminals are communicated to connect, real
The long-distance intelligent coordinated control to each power distribution network energy-saving compensating device and each user load is showed.
Preferably, it is described intelligence distribution transformer terminals include voltage changing module, data acquisition module, digital signal processing module,
Memory module, first communication module, functional module and display module;Digital signal processing module respectively with data acquisition module,
Memory module, first communication module, functional module and display module electrical connection, voltage changing module are electrically connected with data acquisition module.
Preferably, the voltage changing module is mutual inductor, the data acquisition module is data collector, the number letter
Number processing module is digital signal processor, and the memory module includes flash memory and static random access memory, the function
Module is first processor, and the display module is display screen.
Preferably, each weight adjustment device includes second processor, signal receiver, actuator, the second communication
Module and several automatic change-overs;Second processor is electrically connected with signal receiver, actuator and second communication module respectively
It connects, actuator and the electrical connection of each automatic change-over.
Preferably, first communication module and second communication module include Wifi module, Zigbee module, bluetooth module
With 4G module.
Preferably, automatic change-over includes three-phase phase-change switch, magnetic latching relay, contactor, two contactor types
Automatic change-over, two breaker type automatic change-overs, excitation dedicated convert switch and electronic dedicated convert switch.
Preferably, the power distribution network energy-saving compensating device includes reactive power compensator and harmonic treating apparatus.
Preferably, the reactive power compensator includes that shunt capacitor, Static Var Compensator and electric semiconductor become
Flow device;The harmonic treating apparatus includes active filter and passive filter.
Therefore, the utility model has the following beneficial effects: it is multiple for control pair by being laid in each node of power distribution network
The weight adjustment device for power distribution network energy-saving compensating device and the user load work answered, each described weight adjustment device and intelligence
Energy distribution transformer terminals communication connection, realizes and coordinates control to the long-distance intelligent of each power distribution network energy-saving compensating device and each user load
System, reduces the line loss per unit of power distribution network, improves the power supply quality in corresponding platform area and the electricity consumption satisfaction of user.
Detailed description of the invention
Fig. 1 is a kind of system block diagram of the utility model;
Fig. 2 is a kind of structural schematic diagram of the intelligent distribution transformer terminals of the utility model;
Fig. 3 is a kind of structural schematic diagram of the weight adjustment device of the utility model.
In figure: intelligent distribution transformer terminals 1, weight adjustment device 2, power distribution network energy-saving compensating device 3, user load 4, transformation mould
Block 11, data acquisition module 12, digital signal processing module 13, memory module 14, first communication module 15, functional module 16,
Display module 17, second processor 21, signal receiver 22, actuator 23, second communication module 24, automatic change-over 25.
Specific embodiment
The utility model is described further with specific embodiment with reference to the accompanying drawing:
Embodiment
Embodiment as shown in Figure 1 be distribution network load switching decreasing loss system, including intelligent distribution transformer terminals 1 and with the intelligence
Multiple weight adjustment devices 2 of each node of power distribution network, each load is arranged in the distribution that energy distribution transformer terminals establish communication connection
Regulating device is correspondingly connected with power distribution network energy-saving compensating device 3 or user load 4;The power distribution network energy-saving compensating device includes nothing
Reactive power compensation installations and harmonic treating apparatus;The reactive power compensator includes shunt capacitor, Static Var Compensator and electric power
Semiconductor convertor;The harmonic treating apparatus includes active filter and passive filter.
Wherein, as shown in Fig. 2, the intelligence distribution transformer terminals include voltage changing module 11, data acquisition module 12, digital signal
Processing module 13, memory module 14, first communication module 15, functional module 16 and display module 17;Digital signal processing module
Be electrically connected respectively with data acquisition module, memory module, first communication module, functional module and display module, voltage changing module with
Data acquisition module electrical connection;The voltage changing module is mutual inductor, and the data acquisition module is data collector, the number
Signal processing module is digital signal processor, and the memory module includes flash memory and static random access memory, the function
Energy module is first processor, and the display module is display screen;First communication module include Wifi module, Zigbee module,
Bluetooth module and 4G module;First processor is ARM9 series processors.
As shown in figure 3, each weight adjustment device includes second processor 21, signal receiver 22, actuator 23,
Two communication modules 24 and several automatic change-overs 25;Second processor is logical with signal receiver, actuator and second respectively
Believe module electrical connection, actuator and the electrical connection of each automatic change-over;Second communication module includes Wifi module, Zigbee mould
Block, bluetooth module and 4G module;Automatic change-over includes three-phase phase-change switch, magnetic latching relay, contactor, two contactors
Formula automatic change-over, two breaker type automatic change-overs, excitation dedicated convert switch and electronic dedicated convert switch;Second
Processor is ARM9 series processors.
The course of work of the utility model is as follows:
The voltage inputted upper on power transmission line or electric current are converted to for each measuring instrumentss and relay guarantor by voltage changing module
Protection unit realizes the normal voltage and normalized current of measurement, metering and protective effect;Pass through data collecting module collected power distribution network
Every running state information, such as the conveying voltage value of the power transmission line etc., and relevant information is converted at digital signal
Manage the manageable signal of module;The all data that digital signal processing module analyzing and processing data acquisition module is sent,
Generation is executed instruction and is exported accordingly;First processor according to executing instruction of sending of digital signal processing module with it is preset
Switchover policy generates corresponding first load switching and instructs and export;It is negative that signal receiver receives first processor issues first
Lotus switching command simultaneously passes to second processor;Second processor generates the second load switching according to the data information received and refers to
It enables and exports to actuator, actuator controls each automatic change-over and executes load switching operation, and coordinated control is corresponding to match
Power grid energy-saving compensating device and user load work.
It should be understood that the present embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.Furthermore
It should be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model various
Change or modification, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (8)
1. a kind of distribution network load switches decreasing loss system, which is characterized in that match including intelligent distribution transformer terminals (1) and with the intelligence
Multiple weight adjustment devices (2) of each node of power distribution network, each load tune is arranged in the distribution that transformer terminals establish communication connection
Regulating device is correspondingly connected with power distribution network energy-saving compensating device (3) or user load (4).
2. distribution network load according to claim 1 switches decreasing loss system, which is characterized in that the intelligence distribution transformer terminals packet
Include voltage changing module (11), data acquisition module (12), digital signal processing module (13), memory module (14), the first communication mould
Block (15), functional module (16) and display module (17);Digital signal processing module respectively with data acquisition module, storage mould
Block, first communication module, functional module and display module electrical connection, voltage changing module are electrically connected with data acquisition module.
3. distribution network load according to claim 2 switches decreasing loss system, which is characterized in that the voltage changing module is mutual inductance
Device, the data acquisition module are data collector, and the digital signal processing module is digital signal processor, the storage
Module includes flash memory and static random access memory, and the functional module is first processor, and the display module is display
Screen.
4. distribution network load according to claim 2 switches decreasing loss system, which is characterized in that each weight adjustment device is equal
Including second processor (21), signal receiver (22), actuator (23), second communication module (24) and several automatic conversions
It switchs (25);Second processor is electrically connected with signal receiver, actuator and second communication module respectively, actuator and it is each from
Dynamic change-over switch electrical connection.
5. distribution network load according to claim 4 switches decreasing loss system, which is characterized in that first communication module and second
Communication module includes Wifi module, Zigbee module, bluetooth module and 4G module.
6. distribution network load according to claim 4 switches decreasing loss system, which is characterized in that automatic change-over includes three
Phase phase-change switch, magnetic latching relay, contactor, two contactor type automatic change-overs, two breaker type automatic change-overs,
Excitation dedicated convert switch and electronic dedicated convert switch.
7. distribution network load according to claim 1 or 2 or 3 or 4 or 5 or 6 switches decreasing loss system, which is characterized in that institute
Stating power distribution network energy-saving compensating device includes reactive power compensator and harmonic treating apparatus.
8. distribution network load according to claim 7 switches decreasing loss system, which is characterized in that the reactive power compensator packet
Include shunt capacitor, Static Var Compensator and electric semiconductor current transformer;The harmonic treating apparatus includes active filter
And passive filter.
Priority Applications (1)
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CN201822273884.4U CN209282844U (en) | 2018-12-30 | 2018-12-30 | Distribution network load switches decreasing loss system |
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CN201822273884.4U CN209282844U (en) | 2018-12-30 | 2018-12-30 | Distribution network load switches decreasing loss system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111181157A (en) * | 2020-01-19 | 2020-05-19 | 国网河北省电力有限公司衡水供电分公司 | Load switching system |
CN111244941A (en) * | 2020-01-19 | 2020-06-05 | 国网河北省电力有限公司衡水供电分公司 | Energy consumption system |
-
2018
- 2018-12-30 CN CN201822273884.4U patent/CN209282844U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111181157A (en) * | 2020-01-19 | 2020-05-19 | 国网河北省电力有限公司衡水供电分公司 | Load switching system |
CN111244941A (en) * | 2020-01-19 | 2020-06-05 | 国网河北省电力有限公司衡水供电分公司 | Energy consumption system |
CN111181157B (en) * | 2020-01-19 | 2021-11-23 | 国网河北省电力有限公司衡水供电分公司 | Load switching system |
CN111244941B (en) * | 2020-01-19 | 2022-04-19 | 国网河北省电力有限公司衡水供电分公司 | Energy consumption system |
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