CN108258691A - Low-voltage distribution manages system - Google Patents
Low-voltage distribution manages system Download PDFInfo
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- CN108258691A CN108258691A CN201810049894.1A CN201810049894A CN108258691A CN 108258691 A CN108258691 A CN 108258691A CN 201810049894 A CN201810049894 A CN 201810049894A CN 108258691 A CN108258691 A CN 108258691A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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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
- Y02E40/30—Reactive power compensation
-
- 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
- Y02E40/40—Arrangements for reducing harmonics
-
- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Abstract
The invention discloses a kind of low-voltage distribution management systems to include：Wave filter, for eliminating the middle harmonic wave of transmission line of electricity；Intelligent capacitor, for carrying out reactive-load compensation to transmission line of electricity；Ultramagnifier, for larger phase will to be loaded in the power compensation to transmission line of electricity that smaller phase is loaded in transmission line of electricity；Data acquisition test device, for the parameter of the power quality of transmission line of electricity；ARM controller, for controlling wave filter, intelligent capacitor and ultramagnifier according to the data of data acquisition test terminal；Intelligent capacitor includes：Switching device, for controlling being turned on or off for place circuit；Protective device is used to implement overcurrent protection；Low pressure Self-healing power capacitor, for carrying out reactive-load compensation；Idle compensating control, for controlling switching device and protective device.The invention has the beneficial effects that provide a kind of low-voltage distribution management system of power quality problem for effectively eliminating power grid.
Description
Technical field
The present invention relates to a kind of electric energy management systems, and in particular to a kind of low-voltage distribution manages system.
Background technology
The main target of distribution intelligent construction is：Carry out power distribution automation and distribution regulation and control integral intelligent technical support
System Construction makes power supply reliability in region, operation of power networks efficiency and power quality obtain General Promotion.
And the power quality problem of low-voltage network mainly has four idle, harmonic wave, three-phase imbalance and flickering aspects.It is special
Not idle, harmonic wave, three-phase imbalance are long-standing, unlike flickering is a sudden change, special needle on the basis of original system
The comprehensive improvement of specific aim is taken to harmonic wave, idle, three-phase imbalance, will reach effective to the power quality of low-voltage network
It administers.
Low voltage electric network is after 10/0.4kV transformer pressure-reducings mostly, is three-phase with three-phase four-wire system to customer power supply
The supply network of productive power and single-phase load mixing electricity consumption.In the single-phase user of attaching, power supply department in principle should be by list
Phase load is balancedly tapped on A, B, C three-phase, but in real work and operation, due to the uncontrollable increase-volume of single-phase user,
The factors such as the asynchronism of access and single-phase load electricity consumption of great power single phase load all cause the injustice of threephase load
Weighing apparatus, be not only the imbalance of available power, harmonic wave, it is idle per phase on situation it is all different.With the continuous expansion of power grid scale,
User's is continuously increased, and causes power grid power quality also worse and worse, and the safe operation that will directly jeopardize system in this way generates
Harmonic wave, idle, current imbalance cause, collection communicating system is impacted, occupy distribution transforming transformer power, leakage field increase
Sum it up hot-spot, grid line loss increase and various protections and automatic device malfunction etc..Therefore, effectively improving power quality needs
Harmonic wave, idle, three-phase current unbalance are administered simultaneously.
Invention content
A kind of low-voltage distribution management system includes：Wave filter, for eliminating the middle harmonic wave of transmission line of electricity；Intelligent capacitor,
For carrying out reactive-load compensation to transmission line of electricity；Ultramagnifier, for the power compensation of smaller phase will to be loaded in transmission line of electricity to defeated
Larger phase is loaded in electric line；Data acquisition test device, for the parameter of the power quality of transmission line of electricity；ARM controller,
For controlling wave filter, intelligent capacitor and ultramagnifier according to the data of data acquisition test terminal；Wherein, wave filter electrically connects
Transmission line of electricity is connected to, intelligent capacitor is electrically connected to wave filter, and ultramagnifier is electrically connected to intelligent capacitor.
Further, data acquisition test device includes several installations to the mutual inductor and data acquisition test of transmission line of electricity
Terminal, mutual inductor are electrically connected to data acquisition test terminal, and data acquisition test terminal is respectively and electrically connected to wave filter, intelligence
It can capacitor and ultramagnifier；ARM controller respectively with data acquisition test terminal, wave filter, intelligent capacitor and ultramagnifier structure
Into electric connection.
Further, wave filter includes：Passive filter, passive filter include：First phase passive filtering circuit, including
The first passive filtering capacitor, the first passive filtering inductance and the first passive filtering resistance of series connection；Second phase passive filtering line
Road, the second passive filtering capacitor, the second passive filtering inductance and the second passive filtering resistance including series connection；Third phase is passive
Filter circuit, third passive filtering capacitor, third passive filtering inductance and third passive filtering resistance including series connection；Its
In, the first passive filtering capacitor, the first passive filtering capacitor, third passive filtering capacitor are respectively and electrically connected to transmit electricity
First phase power transmission line, the second phase power transmission line, third phase power transmission line in circuit；First passive filtering resistance, the second passive filtering electricity
Resistance, third passive filtering resistance are connected to the neutral conductor in transmission line of electricity.
Further, wave filter includes：Active filter；Active filter includes：Four bridge arm circuits, four wiring electricity
Sense and a shunt capacitor, four bridge arm circuits and shunt capacitor form parallel connection, and bridge arm circuit is in two electronic switches
Between be equipped with terminals, terminals are electrically connected to by one of lead inductance in the wherein phase line in transmission line of electricity
Or in the zero curve in transmission line of electricity；The control terminal of electronic switch is controlled by ARM controller.
Further, active filter includes：Driving circuit, for driving the electronic switch in bridge arm circuit.
Further, the control terminal of electronic switch is electrically connected to driving circuit.
Further, electronic switch MOSFET.
Further, shunt capacitance is electrolytic capacitor.
Further, intelligent capacitor includes：Switching device, for controlling being turned on or off for place circuit；It protects
Protection unit is used to implement overcurrent protection；Low pressure Self-healing power capacitor, for carrying out reactive-load compensation；Idle compensating control,
For controlling switching device and protective device.
Further, idle compensating control is electrically connected to mutual inductor.
Further, low pressure Self-healing power capacitor includes：Three adjustable capacitors, three adjustable capacitors form three
Angle connection, fling-cut switch are connected to the vertex of a triangle of adjustable capacitor composition by safety device.
Further, low pressure Self-healing power capacitor further includes：Parallel resistance is formed with one of adjustable capacitor
It is in parallel.
Further, ultramagnifier includes：Three current feedback units, current feedback unit includes an inverter circuit, inverse
Become the phase that circuit is used to adjust transmission line of electricity；Three electronic switches, electronic switch are electrically connected to a current feedback unit
With the neutral conductor in transmission line of electricity；Feedback controller, for controlling current feedback unit and electronic switch.
Further, electronic switch is bidirectional triode thyristor, and the control terminal of bidirectional triode thyristor is electrically connected to feedback controller.
Further, feedback controller forms with three current feedback units be electrically connected respectively.
Further, ARM controller includes：First wireless communication module, is used to implement wireless signal transmission；Active power filtering
Device includes：Second wireless communication module, is used to implement wireless signal transmission；First wireless communication module and the second wireless telecommunications mould
Block forms signal interaction, and the second wireless communication module is formed with driving circuit and is electrically connected so that the first wireless communication module is sent out
Signal control drive circuit.
Further, idle compensating control includes：Third wireless communication module, is used to implement wireless signal transmission；The
One wireless communication module forms wireless signal transmission so that ARM controller is controlled by wireless signal with third wireless communication module
Idle compensating control.
Further, feedback controller includes：4th wireless communication module, is used to implement wireless signal transmission；First nothing
Line communication module and the 4th wireless communication module form wireless signal transmission so that ARM controller controlled by wireless signal it is idle
Compensating controller.
Further, ARM controller includes：Main control module, for handling data and realizing logic control；GPRS module,
The geographical location of ARM controller is communicated and positioned for GPRS；Temperature-sensitive module, for detecting environment temperature；Clock module is used
In record time data；Wherein, main control module is formed with GPRS module is electrically connected so that main control module is according to GPRS module
Longitude and latitude data-speculative current season in geographical location；Main control module is formed with temperature-sensitive module and is electrically connected so that main control module obtains
Know current temperature data；Main control module is formed with clock module and is electrically connected so that main control module knows current time data；It is main
Control module controls switching circuit to control the intelligence of access transmission line of electricity according to current season, temperature data and current time data
The number of energy capacitor.
Further, low-voltage distribution management system includes several intelligent capacitors；ARM controller includes：Main control module is used
In processing data and realize logic control；GPRS module for GPRS communicates and positions the geographical location of ARM controller；Sense
Warm module, for detecting environment temperature；Clock module, for recording time data；Wherein, main control module is formed with GPRS module
It is electrically connected so that main control module is according to longitude and latitude data-speculative current season in the geographical locations of GPRS modules；Main control module
It forms and is electrically connected so that main control module knows current temperature data with temperature-sensitive module；Main control module forms electrical with clock module
Connection is so that main control module knows current time data；ARM controller includes：First wireless communication module is used to implement wireless
Signal transmission；Idle compensating control includes：Third wireless communication module, is used to implement wireless signal transmission；First channel radio
It interrogates module and forms wireless signal transmission so that ARM controller controls reactive-load compensation by wireless signal with third wireless communication module
Controller and then control switching device；Main control module is controlled according to current season, temperature data and current time data
Idle compensating control.
Further, low-voltage distribution management system further includes：Accumulator, for charging for ARM controller；Charging circuit,
For charging for accumulator；Charging circuit is electrically connected to mutual inductor so that the sensing electric current that mutual inductor generates is filled for accumulator
Electricity.
Further, low-voltage distribution management system further includes：Photovoltaic panel, for converting light energy into electric energy；Photovoltaic panel electricity
Property be connected to charging circuit so that photovoltaic panel produce electricl energy for accumulator charge.
Further, low-voltage distribution management system further includes：Self-charging road, for alternating current to be converted to direct current；From
Charging circuit is respectively electrically to transmission line of electricity and charging circuit so that alternating current in transmission line of electricity by charging circuit is accumulator
Charging.
The invention has the beneficial effects that：
Provide a kind of low-voltage distribution management system of power quality problem for effectively eliminating power grid.
Description of the drawings
Fig. 1 is the schematic diagram of a preferred embodiment of the low-voltage distribution management system of the present invention；
Fig. 2 is the schematic diagram of scheme median filter shown in FIG. 1；
Fig. 3 is the schematic diagram of intelligent capacitor in scheme shown in FIG. 1；
Fig. 4 is the schematic diagram of ultramagnifier in scheme shown in FIG. 1；
Fig. 5 is the schematic diagram of live part in scheme shown in FIG. 1；
Fig. 6 is the schematic diagram of the expansion scheme of scheme shown in FIG. 1；
Fig. 7 is schematic diagram when scheme shown in FIG. 1 uses wireless telecommunications.
Specific embodiment
Low-voltage distribution management system includes as shown in Figures 1 to 4：Wave filter, for eliminating the middle harmonic wave of transmission line of electricity；Intelligence
Capacitor, for carrying out reactive-load compensation to transmission line of electricity；Ultramagnifier, for the electric energy that smaller phase is loaded in transmission line of electricity to be mended
It repays and larger phase is loaded into transmission line of electricity；Data acquisition test device, for the parameter of the power quality of transmission line of electricity；ARM
Controller, for controlling wave filter, intelligent capacitor and ultramagnifier according to the data of data acquisition test terminal；Wherein, it filters
Device is electrically connected to transmission line of electricity, and intelligent capacitor is electrically connected to wave filter, and ultramagnifier is electrically connected to intelligent capacitor.
Specifically, data acquisition test device includes several installations to the mutual inductor and data acquisition test of transmission line of electricity
Terminal, mutual inductor are electrically connected to data acquisition test terminal, and data acquisition test terminal is respectively and electrically connected to wave filter, intelligence
It can capacitor and ultramagnifier；ARM controller respectively with data acquisition test terminal, wave filter, intelligent capacitor and ultramagnifier structure
Into electric connection.
Specifically, wave filter includes：Passive filter, passive filter include：First phase passive filtering circuit, including
The first passive filtering capacitor, the first passive filtering inductance and the first passive filtering resistance of series connection；Second phase passive filtering line
Road, the second passive filtering capacitor, the second passive filtering inductance and the second passive filtering resistance including series connection；Third phase is passive
Filter circuit, third passive filtering capacitor, third passive filtering inductance and third passive filtering resistance including series connection；Its
In, the first passive filtering capacitor, the first passive filtering capacitor, third passive filtering capacitor are respectively and electrically connected to transmit electricity
First phase power transmission line, the second phase power transmission line, third phase power transmission line in circuit；First passive filtering resistance, the second passive filtering electricity
Resistance, third passive filtering resistance are connected to the neutral conductor in transmission line of electricity.
Specifically, wave filter includes：Active filter；Active filter includes：Four bridge arm circuits, four wiring electricity
Sense and a shunt capacitor, four bridge arm circuits and shunt capacitor form parallel connection, and bridge arm circuit is in two electronic switches
Between be equipped with terminals, terminals are electrically connected to by one of lead inductance in the wherein phase line in transmission line of electricity
Or in the zero curve in transmission line of electricity；The control terminal of electronic switch is controlled by ARM controller.
Specifically, active filter includes：Driving circuit, for driving the electronic switch in bridge arm circuit.
Specifically, the control terminal of electronic switch is electrically connected to driving circuit.
Specifically, electronic switch is MOSFET.
Specifically, shunt capacitance is electrolytic capacitor.
Specifically, intelligent capacitor includes：Switching device, for controlling being turned on or off for place circuit；It protects
Protection unit is used to implement overcurrent protection；Low pressure Self-healing power capacitor, for carrying out reactive-load compensation；Idle compensating control,
For controlling switching device and protective device.
Specifically, idle compensating control is electrically connected to mutual inductor.
Specifically, low pressure Self-healing power capacitor includes：Three adjustable capacitors, three adjustable capacitors form three
Angle connection, fling-cut switch are connected to the vertex of a triangle of adjustable capacitor composition by safety device.
Specifically, low pressure Self-healing power capacitor further includes：Parallel resistance is formed with one of adjustable capacitor
It is in parallel.
Specifically, ultramagnifier includes：Three current feedback units, current feedback unit includes an inverter circuit, inverse
Become the phase that circuit is used to adjust transmission line of electricity；Three electronic switches, electronic switch are electrically connected to a current feedback unit
With the neutral conductor in transmission line of electricity；Feedback controller, for controlling current feedback unit and electronic switch.
Specifically, electronic switch is bidirectional triode thyristor, the control terminal of bidirectional triode thyristor is electrically connected to feedback controller.
It is electrically connected specifically, feedback controller is formed respectively with three current feedback units.
Wave filter is eliminated with compensating each harmonic by the way of active filter is combined in circuit using passive filter
Harmonic pollution, intelligent capacitor are bridged using intelligent capacitor in each phase, are mended using three-phase for the mode mended to idle in circuit
The problem of repaying, eliminating idle occupancy power.Ultramagnifier uses the principle of inverter circuit, will load smaller phase, anti-through overcurrent
The inversion of feedback device is shifted to, and directly adds to electric energy in the larger phase of load.Accomplish distribution transforming output terminal for active power not
One improvement of balance.ARM controller is by judging to whole the acquisition of wave filter, intelligent capacitor, the control of ultramagnifier and data
A device is protected.Data acquisition test terminal acquires each item data of power quality, by GPRS network by data transmission
To main website.Low-voltage electric energy quality controlling software is analyzed and processed by the data of upload, shows power quality indexes.
As shown in Figures 5 to 7, ARM controller includes：First wireless communication module, is used to implement wireless signal transmission；Have
Source filter includes：Second wireless communication module, is used to implement wireless signal transmission；First wireless communication module and second is wirelessly
Communication module forms signal interaction, and the second wireless communication module is formed with driving circuit and is electrically connected so that the first wireless telecommunications mould
The signal control drive circuit that block is sent out.
Specifically, idle compensating control includes：Third wireless communication module, is used to implement wireless signal transmission；The
One wireless communication module forms wireless signal transmission so that ARM controller is controlled by wireless signal with third wireless communication module
Idle compensating control.
Specifically, feedback controller includes：4th wireless communication module, is used to implement wireless signal transmission；First nothing
Line communication module and the 4th wireless communication module form wireless signal transmission so that ARM controller controlled by wireless signal it is idle
Compensating controller.
Such benefit is that ARM controller may be located remotely from wave filter, intelligent capacitor and ultramagnifier so as to far from severe
Electric circumstance, ensure the normal operation of ARM controller.
Specifically, ARM controller includes：Main control module, for handling data and realizing logic control；GPRS module,
The geographical location of ARM controller is communicated and positioned for GPRS；Temperature-sensitive module, for detecting environment temperature；Clock module is used
In record time data；Wherein, main control module is formed with GPRS module is electrically connected so that main control module is according to GPRS module
Longitude and latitude data-speculative current season in geographical location；Main control module is formed with temperature-sensitive module and is electrically connected so that main control module obtains
Know current temperature data；Main control module is formed with clock module and is electrically connected so that main control module knows current time data；It is main
Control module controls switching circuit to control the intelligence of access transmission line of electricity according to current season, temperature data and current time data
The number of energy capacitor.
Specifically, low-voltage distribution management system includes several intelligent capacitors；ARM controller includes：Main control module is used
In processing data and realize logic control；GPRS module for GPRS communicates and positions the geographical location of ARM controller；Sense
Warm module, for detecting environment temperature；Clock module, for recording time data；Wherein, main control module is formed with GPRS module
It is electrically connected so that main control module is according to longitude and latitude data-speculative current season in the geographical locations of GPRS modules；Main control module
It forms and is electrically connected so that main control module knows current temperature data with temperature-sensitive module；Main control module forms electrical with clock module
Connection is so that main control module knows current time data；ARM controller includes：First wireless communication module is used to implement wireless
Signal transmission；Idle compensating control includes：Third wireless communication module, is used to implement wireless signal transmission；First channel radio
It interrogates module and forms wireless signal transmission so that ARM controller controls reactive-load compensation by wireless signal with third wireless communication module
Controller and then control switching device；Main control module is controlled according to current season, temperature data and current time data
Idle compensating control.
Scheme using multiple intelligent capacitors can be that management system corresponds to different loads in Various Seasonal different time
Situation.So as to obtain good regulation effect in summer or Peak power use period.
Meanwhile GPRS module can realize the gridding controller of region, in system jam, service personnel can
Quickly learn the position of fault.
Specifically, low-voltage distribution management system further includes：Accumulator, for charging for ARM controller；Charging circuit,
For charging for accumulator；Charging circuit is electrically connected to mutual inductor so that the sensing electric current that mutual inductor generates is filled for accumulator
Electricity.
So, can be the even entire management system power supply of ARM controller by the mutual inducing current in mutual inductor.
Specifically, low-voltage distribution management system further includes：Photovoltaic panel, for converting light energy into electric energy；Photovoltaic panel electricity
Property be connected to charging circuit so that photovoltaic panel produce electricl energy for accumulator charge.
Specifically, low-voltage distribution management system further includes：Self-charging road, for alternating current to be converted to direct current；From
Charging circuit is respectively electrically to transmission line of electricity and charging circuit so that alternating current in transmission line of electricity by charging circuit is accumulator
Charging.
The electric energy that luminous energy and power grid are had by oneself can be made to power for ARM controller in this way, ARM controls can be always maintained in this way
Device live line work processed.
As further preferred, it can make self-charging road that there is transformation function, so as to which self-charging road be made directly to be electrically connected
To the peripheral circuit of ARM controller or ARM controller so as to directly power for ARM controller.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (10)
1. a kind of low-voltage distribution manages system, it is characterised in that：
The low-voltage distribution management system includes：
Wave filter, for eliminating the middle harmonic wave of transmission line of electricity；
Intelligent capacitor, for carrying out reactive-load compensation to transmission line of electricity；
Ultramagnifier, for larger phase will to be loaded in the power compensation to transmission line of electricity that smaller phase is loaded in transmission line of electricity；
Data acquisition test device, for the parameter of the power quality of transmission line of electricity；
The data acquisition test device includes several installations to the mutual inductor of transmission line of electricity and data acquisition test terminal, described
Mutual inductor is electrically connected to the data acquisition test terminal, and the data acquisition test terminal is respectively and electrically connected to the filter
Wave device, intelligent capacitor and ultramagnifier；
ARM controller, the data for being acquired according to the data acquisition test terminal control the wave filter, intelligent capacitor
And ultramagnifier；Wherein, the wave filter is electrically connected to transmission line of electricity, and the intelligent capacitor is electrically connected to the filtering
Device, the ultramagnifier are electrically connected to the intelligent capacitor；
The ARM controller forms electrical with the data acquisition test terminal, wave filter, intelligent capacitor and ultramagnifier respectively
Connection；
The intelligent capacitor includes：
Switching device, for controlling being turned on or off for place circuit；
Protective device is used to implement overcurrent protection；
Low pressure Self-healing power capacitor, for carrying out reactive-load compensation；
Idle compensating control, for controlling the switching device and the protective device.
2. low-voltage distribution according to claim 1 manages system, it is characterised in that：
The idle compensating control is electrically connected to the mutual inductor.
3. low-voltage distribution according to claim 2 manages system, it is characterised in that：
The low pressure Self-healing power capacitor includes：
Three adjustable capacitors, three triangle connections of adjustable capacitor, the fling-cut switch pass through the insurance
Device is connected to the vertex of a triangle that the adjustable capacitor is formed.
4. low-voltage distribution according to claim 3 manages system, it is characterised in that：
The low pressure Self-healing power capacitor further includes：
Parallel resistance, it is in parallel with adjustable capacitor composition one of them described.
5. low-voltage distribution according to any one of claims 1 to 4, manages system, it is characterised in that：
The low-voltage distribution management system includes：Switching circuit, including several switches for being electrically connected to the transmission line of electricity；
The low-voltage distribution management system includes several intelligent capacitors, and the intelligent capacitor is electrically connected to described
Switching circuit；
The switching circuit controls at least one of two described intelligent capacitors to be electrically connected to the transmission line of electricity.
6. low-voltage distribution according to claim 5 manages system, it is characterised in that：
The ARM controller is electrically connected to the switching circuit.
7. low-voltage distribution according to claim 6 manages system, it is characterised in that：
The ARM controller includes：
Main control module, for handling data and realizing logic control；
GPRS module for GPRS communicates and positions the geographical location of ARM controller；
Temperature-sensitive module, for detecting environment temperature；
Clock module, for recording time data；
Wherein, the main control module is formed with the GPRS module is electrically connected so that the main control module is according to the GPRS moulds
Longitude and latitude data-speculative current season in the geographical location of block；
The main control module is formed with the temperature-sensitive module and is electrically connected so that the main control module knows current temperature data；
The main control module is formed with the clock module and is electrically connected so that the main control module knows current time data；
The main control module controls the switching circuit to be connect to control according to current season, temperature data and current time data
Enter the number of the intelligent capacitor of transmission line of electricity.
8. low-voltage distribution according to claim 7 manages system, it is characterised in that：The ARM controller includes：First nothing
Line communication module, is used to implement wireless signal transmission；The wave filter includes active filter；The active filter includes：
Second wireless communication module, is used to implement wireless signal transmission；First wireless communication module and second wireless telecommunications
Module composition signal interaction.
9. low-voltage distribution according to claim 8 manages system, it is characterised in that：The idle compensating control includes：
Third wireless communication module, is used to implement wireless signal transmission；
First wireless communication module forms wireless signal transmission so that the ARM is controlled with the third wireless communication module
Device controls the idle compensating control by wireless signal.
10. low-voltage distribution according to any one of claims 1 to 4, manages system, it is characterised in that：
The low-voltage distribution management system includes several intelligent capacitors；
The ARM controller includes：
Main control module, for handling data and realizing logic control；
GPRS module for GPRS communicates and positions the geographical location of ARM controller；
Temperature-sensitive module, for detecting environment temperature；
Clock module, for recording time data；
Wherein, the main control module is formed with the GPRS module is electrically connected so that the main control module is according to the GPRS moulds
Longitude and latitude data-speculative current season in the geographical location of block；
The main control module is formed with the temperature-sensitive module and is electrically connected so that the main control module knows current temperature data；
The main control module is formed with the clock module and is electrically connected so that the main control module knows current time data；
The ARM controller includes：First wireless communication module, is used to implement wireless signal transmission；The control of reactive power compensating
Device includes：Third wireless communication module, is used to implement wireless signal transmission；
First wireless communication module forms wireless signal transmission so that the ARM is controlled with the third wireless communication module
Device controls the idle compensating control to control the switching device by wireless signal；
The main control module controls the idle compensating control according to current season, temperature data and current time data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049894.1A CN108258691A (en) | 2018-01-18 | 2018-01-18 | Low-voltage distribution manages system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049894.1A CN108258691A (en) | 2018-01-18 | 2018-01-18 | Low-voltage distribution manages system |
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| CN108258691A true CN108258691A (en) | 2018-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110838717A (en) * | 2019-11-15 | 2020-02-25 | 国网湖南综合能源服务有限公司 | Electric energy replacing efficient energy-saving control system for low-voltage distribution network and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110829617A (en) * | 2019-10-15 | 2020-02-21 | 清华大学深圳国际研究生院 | Compensation device and compensation control method for wireless energy transmission system |
| CN110838717A (en) * | 2019-11-15 | 2020-02-25 | 国网湖南综合能源服务有限公司 | Electric energy replacing efficient energy-saving control system for low-voltage distribution network and application method thereof |
| CN110838717B (en) * | 2019-11-15 | 2021-09-21 | 国网湖南综合能源服务有限公司 | Electric energy replacing efficient energy-saving control system for low-voltage distribution network and application method thereof |
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