CN206004314U - A kind of dynamic stepless voltage regulating module system - Google Patents
A kind of dynamic stepless voltage regulating module system Download PDFInfo
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- CN206004314U CN206004314U CN201620999782.9U CN201620999782U CN206004314U CN 206004314 U CN206004314 U CN 206004314U CN 201620999782 U CN201620999782 U CN 201620999782U CN 206004314 U CN206004314 U CN 206004314U
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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
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Abstract
This utility model embodiment discloses a kind of dynamic stepless voltage regulating module system, including central processing element, drive circuit, inversion unit, rectification circuit, wherein drive circuit is connected with central processing element, inversion unit is connected with drive circuit, rectification circuit is connected with drive circuit, by high-frequency inversion technology, solving current regulator adopts isolating transformer to coordinate intelligent electronic switch switching module operating passing zero, due to the vacancy value of voltage is fixed with the compensation of capacity, range of accommodation is limited, output voltage can only unidirectional be adjusted, result in degree of regulation poor, and the technical problem can only being adjusted for unidirectional voltage.
Description
Technical field
This utility model is related to technical field of electric power, more particularly, to a kind of dynamic stepless voltage regulating module system.
Background technology
Voltage is unqualified to be that low-voltage distribution network is the most universal, is also the power quality problem paid close attention to by user.Voltage does not conform to
The situation of lattice is divided into low voltage and the higher two kinds of situations of voltage.A) low voltage.The power quality problem of low-voltage distribution network is main
It is presented as low voltage problem, it is the synthesis embodiment of various power quality problems.When power factor is relatively low, reactive compensation capacity
It may appear that the situation of line end user's low voltage when deficiency causes circuit reactive loss excessive；When line load rate is higher,
When three-phase load is seriously uneven, the abnormal heavy phase of load occurs the situation of low voltage；Low pressure harmonic wave, voltage flicker makes distribution electricity
Pressure is distorted, and terminal voltage can be led to low；Load is big with seasonal fluctuations, and distribution line radius of electricity supply is long, can produce
Larger line loss, if pressure regulation scarce capacity also can make low voltage of terminal temperature difference etc.；B) voltage is higher.In abundance of water
Phase, because subregion Development of Small Hydropower is more concentrated, total installation of generating capacity is larger, and the region that hydroelectric resources enriches is typically economical
All undeveloped, load density is little, and the wet season electric energy that sends of small power station cannot be carried out in situ balance, causes line end voltage liter
High.When three-phase imbalance in platform area transformator, neutral point can be to the big phase shift of load, and the big phase voltage of load reduces
, the little phase voltage of load then can raise.
In order to administer low-voltage network brownout and too high problem, current main method is to install in line end
Regulator, this regulator adopts isolating transformer to coordinate intelligent electronic switch switching module operating passing zero, and voltage is lacked
Volume value is fixed the compensation of capacity, it is possible to resolve the problem of brownout/too high.
Current regulator adopts isolating transformer to coordinate intelligent electronic switch switching module operating passing zero, due to electricity
The vacancy value of pressure is fixed the compensation of capacity, and range of accommodation is limited, and output voltage can only unidirectional be adjusted, and result in degree of regulation
Difference, and the technical problem can only being adjusted for unidirectional voltage.
Utility model content
This utility model embodiment discloses a kind of dynamic stepless voltage regulating module system, solves current regulator and adopts
Coordinate intelligent electronic switch switching module operating passing zero with isolating transformer, due to capacity is fixed to the vacancy value of voltage
Compensate, range of accommodation is limited, output voltage can only unidirectional be adjusted, it is poor to result in degree of regulation, and can only enter for unidirectional voltage
The technical problem that row is adjusted.
This utility model embodiment provides a kind of dynamic stepless voltage regulating module system, including central processing element, drives
Circuit, drive circuit is connected it is characterised in that also including inversion unit with central processing element, rectification circuit, inversion unit with
Drive circuit connects, and rectification circuit is connected with drive circuit.
Alternatively,
Rectification circuit is PWM rectifier.
Alternatively,
Rectification circuit is diode three-phase bridge rectifier circuit.
Alternatively,
Inversion unit is 1 three phase inverter bridge based on line voltage compensation.
Alternatively,
Inversion unit is the 3 unidirectional H type inverter bridge being compensated based on phase voltage.
Alternatively,
Dynamic stepless voltage regulating module system also includes voltage on line side current detecting unit and load voltage current detecting unit,
Voltage on line side current detecting unit and load voltage current detecting unit are all connected with central processing element.
Alternatively,
Dynamic stepless voltage regulating module system, also includes inverter output voltage current detecting unit, inverter output voltage
Current detecting unit is connected with central processing element.
Alternatively,
Dynamic stepless voltage regulating module system, also includes DC voltage and current detector unit, DC voltage and current detector unit
It is connected with central processing element.
Alternatively,
Dynamic stepless voltage regulating module system, also includes hardware protection, soft start, draught fan control circuit, hardware protection, soft opens
Dynamic, draught fan control circuit is connected with central processing element.
Alternatively,
Dynamic stepless voltage regulating module system, also includes data communication and user-machine interface circuit, data communication and man-machine
Interface circuit is connected with central processing element.
As can be seen from the above technical solutions, this utility model embodiment has advantages below：
This utility model embodiment provides a kind of structure of dynamic stepless voltage regulating module system, processes core including central authorities
Piece, drive circuit, inversion unit, rectification circuit, wherein drive circuit are connected with central processing element, and inversion unit is electric with driving
Road connects, and rectification circuit is connected with drive circuit.In the present embodiment, it is connected with central processing element by drive circuit, inversion
Unit is connected with drive circuit, and rectification circuit is connected with drive circuit, and this structure carries out voltage-regulation based on high-frequency inversion technology,
Range of regulation width can be realized, the two-way continuously adjustabe of output voltage, and can three-phase voltage be adjusted, solve mesh. simultaneously
Front regulator adopts isolating transformer to coordinate intelligent electronic switch switching module operating passing zero, due to the vacancy value to voltage
It is fixed the compensation of capacity, range of accommodation is limited, output voltage can only unidirectional be adjusted, it is poor to result in degree of regulation, and can only
The technical problem being adjusted for unidirectional voltage.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing providing.
A kind of dynamic stepless voltage regulating module system schematic of Fig. 1；
Fig. 2 unidirectional H type inverter bridge schematic diagram；
Fig. 3 three phase inverter bridge schematic diagram；
Illustrate：1 controller central processing element, 2PWM commutator, 3 voltage on line side current detecting units, 4 load electricity
Current voltage detector unit, 5 inverter output voltage current detecting units, 6 DC voltage and current detector units, 7 hardware protections, soft
Startup, draught fan control circuit, 8 data communication and user-machine interface circuit, 9 inverters, 10,11 drive circuits, 12 electrical networks, 13
Load.
Specific embodiment
This utility model embodiment discloses a kind of dynamic stepless voltage regulating module system, solves current regulator and adopts
Coordinate intelligent electronic switch switching module operating passing zero with isolating transformer, due to capacity is fixed to the vacancy value of voltage
Compensate, range of accommodation is limited, output voltage can only unidirectional be adjusted, it is poor to result in degree of regulation, and can only enter for unidirectional voltage
The technical problem that row is adjusted.
Refer to Fig. 1, a kind of dynamic stepless voltage regulating module system providing in this utility model embodiment includes：Centre
Reason chip 1, drive circuit, drive circuit is connected with central processing element 1 it is characterised in that also including inversion unit, rectified current
Road, inversion unit is connected with drive circuit, and rectification circuit is connected with drive circuit.
Further,
Rectification circuit is PWM rectifier 2.
Further,
Rectification circuit is diode three-phase bridge rectifier circuit.
Further,
Inversion unit is 1 three phase inverter bridge based on line voltage compensation.
Further,
Inversion unit is the 3 unidirectional H type inverter bridge being compensated based on phase voltage.
Further,
Dynamic stepless voltage regulating module system also includes voltage on line side current detecting unit 3 and load voltage current detecting unit
4, voltage on line side current detecting unit 3 and load voltage current detecting unit 4 are all connected with central processing element 1.
Further,
Dynamic stepless voltage regulating module system, also includes inverter output voltage current detecting unit 5, inverter output voltage
Current detecting unit 5 is connected with central processing element 1.
Further,
Dynamic stepless voltage regulating module system, also includes DC voltage and current detector unit 6, DC voltage and current detector unit
6 are connected with central processing element 1.
Further,
Dynamic stepless voltage regulating module system, also includes hardware protection, soft start, draught fan control circuit 7, hardware protection, soft
Start, draught fan control circuit 7 is connected with central processing element 1.
Further,
Dynamic stepless voltage regulating module system, also includes data communication and user-machine interface circuit 8, data communication and man-machine
Interface circuit 8 is connected with central processing element 1.
This utility model embodiment provides a kind of dynamic stepless voltage regulating module system, as described in Figure 1, including inverter 9,
PWM rectifier 2, voltage on line side current detecting unit 3, inverter output voltage current detecting unit 5, load voltage current detecting
Unit 4, drive circuit 10, drive circuit 11, controller central processing element 1, DC voltage and current detector unit 6, hardware package
Shield, soft start and draught fan control circuit 7, data communication and user-machine interface circuit 8.Voltage on line side current detecting unit detects
Power network signal 3, and input controller CPU 1；Inverter output voltage current detecting unit 5 detection inverter letter
Number, and input controller CPU 1；In load voltage current detecting unit 4 detection load signal, and input controller
Central Processing Unit 1；DC voltage and current detector unit 6 detects DC side signal, and input controller CPU 1；Firmly
The coherent signal of part protection, soft start and draught fan control circuit 8 inputs to enter at row operation decision-making to controller central processing element 1
Reason；Carry out data interaction between data communication and user-machine interface circuit 8 and controller central processing element 1；In controller
Centre process chip 1 outputs signal to drive circuit 10 and drive circuit 11, and drive circuit 10 drives PWM rectifier 2 to work, and drives
Circuit 11 drives inverter 9 to work.
Voltage on line side current detecting unit 3 gathers the voltage and current signal of electrical network 12 side, and inverter output voltage electric current is examined
Survey unit 5 collection inverter 9 output voltage current signal, the voltage electricity of load voltage current detecting unit 4 collection load 13 sides
Stream signal, the voltage and current signal of DC voltage and current detector unit 6 detection dc bus, the voltage and current signal being gathered,
After A/D conversion and relevant treatment, all input to controller central processing element 1, controller central processing element 1 exports
Drive signal, to drive circuit 11, drives the IGBT work in PWM rectifier 2, carries out PWM rectification, and controller central authorities process core
Piece 1 output drive signal, to drive circuit 11, drives the IGBT work in inverter 9, and the energy inversion that DC side is stored is
Ac voltage signal, is delivered to end electrical network, carries out voltage-regulation.The correlation of hardware protection, soft start and draught fan control circuit 7
Signal input enters row operation decision-making treatment to controller central processing element 1.Data communication and user-machine interface circuit 8 and control
Carry out data interaction between device central processing element 1 processed, complete the transmission of data and the real operation of man machine interface.
For the technical program, also other replacement scheme equally can complete goal of the invention 1) PWM rectification circuit 2 can also
Using diode three-phase bridge rectifier circuit；2) inverter 9 can be the 3 unidirectional H type inverter bridge being compensated based on phase voltage, such as
It is also possible to 1 three phase inverter bridge based on line voltage compensation shown in Fig. 2, as shown in Figure 3.
This utility model embodiment provides a kind of dynamic stepless voltage regulating module system, including central processing element 1, drives
Circuit, inversion unit, rectification circuit, wherein drive circuit and central processing element 1, inversion unit is connected with drive circuit, whole
Current circuit is connected with drive circuit, by high-frequency inversion technology, solves current regulator and adopts isolating transformer to coordinate
Intelligent electronic switch switching module operating passing zero, due to the vacancy value of voltage is fixed with the compensation of capacity, range of accommodation has
Limit, output voltage can only unidirectional adjust, and result in that degree of regulation is poor, and the technology can only being adjusted for unidirectional voltage is asked
Topic.
Above a kind of dynamic stepless voltage regulating module system provided by the utility model is described in detail, for this
The those skilled in the art in field, according to the thought of this utility model embodiment, all can in specific embodiments and applications
In place of having change, in sum, this specification content should not be construed as to restriction of the present utility model.
Claims (10)
1. a kind of dynamic stepless voltage regulating module system, including central processing element, drive circuit, described drive circuit with described in
Centre process chip connects it is characterised in that also including inversion unit, rectification circuit, described inversion unit and described drive circuit
Connect, described rectification circuit is connected with described drive circuit.
2. dynamic stepless voltage regulating module system according to claim 1 it is characterised in that described rectification circuit to be PWM whole
Stream device.
3. dynamic stepless voltage regulating module system according to claim 1 is it is characterised in that described rectification circuit is diode
Three-phase bridge rectifier circuit.
4. dynamic stepless voltage regulating module system according to claim 1 is it is characterised in that described inversion unit is based on line
1 three phase inverter bridge of voltage compensation.
5. dynamic stepless voltage regulating module system according to claim 1 is it is characterised in that described inversion unit is based on phase
3 unidirectional H type inverter bridge of voltage compensation.
6. dynamic stepless voltage regulating module system according to claim 1 is it is characterised in that also include the inspection of voltage on line side electric current
Survey unit and load voltage current detecting unit, described voltage on line side current detecting unit and described load voltage current detecting list
Unit is all connected with described central processing element.
7. dynamic stepless voltage regulating module system according to claim 1 is it is characterised in that also include inverter output voltage
Current detecting unit, described inverter output voltage current detecting unit is connected with described central processing element.
8. dynamic stepless voltage regulating module system according to claim 1 is it is characterised in that also include DC voltage and current inspection
Survey unit, described DC voltage and current detector unit is connected with described central processing element.
9. dynamic stepless voltage regulating module system according to claim 1 is it is characterised in that also including hardware protection, soft opening
Dynamic, draught fan control circuit, described hardware protection, soft start, draught fan control circuit are connected with described central processing element.
10. dynamic stepless voltage regulating module system according to claim 1 is it is characterised in that also include data communication and people
Machine interface circuit, described data communication and user-machine interface circuit are connected with described central processing element.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620999782.9U CN206004314U (en) | 2016-08-30 | 2016-08-30 | A kind of dynamic stepless voltage regulating module system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119788423A (en) * | 2025-03-07 | 2025-04-08 | 西安邮电大学 | Image retrieval method and system supporting privacy protection in cloud environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119788423A (en) * | 2025-03-07 | 2025-04-08 | 西安邮电大学 | Image retrieval method and system supporting privacy protection in cloud environment |
| CN119788423B (en) * | 2025-03-07 | 2025-05-09 | 西安邮电大学 | Image retrieval method and system supporting privacy protection in cloud environment |
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