CN106253692A - A kind of current limiting low-voltage constant voltage equipment - Google Patents
A kind of current limiting low-voltage constant voltage equipment Download PDFInfo
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- CN106253692A CN106253692A CN201610694385.5A CN201610694385A CN106253692A CN 106253692 A CN106253692 A CN 106253692A CN 201610694385 A CN201610694385 A CN 201610694385A CN 106253692 A CN106253692 A CN 106253692A
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- iron core
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
- H02M5/12—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion of voltage or current amplitude only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to low-voltage power supply field, specifically a kind of current limiting low-voltage constant voltage equipment.At distribution transformer low-voltage output one current-limiting reactor of series connection and a three-dimensional winding iron core autotransformer, the outfan of three-dimensional winding iron core autotransformer is a multi-tap pressure regulator Exciting Windings for Transverse Differential Protection, multi-tap pressure regulator Exciting Windings for Transverse Differential Protection has multiple gear, the output of each gear connects a switch, and each switch connects control chip.The present invention utilizes the characteristic of current-limiting reactor, can absorb surge, thus sluggish heavy current impact; minimizing system instantaneous pressure drop, improves system stability, and serves the effect of filtering; improve the power factor of system, protect the safety of three-dimensional winding iron core autotransformer simultaneously.
Description
Technical field
The present invention relates to low-voltage power supply field, specifically a kind of current limiting low-voltage constant voltage equipment.
Background technology
Low pressure electricity consumption is the most ordinary in life, and the most effectively saving electricity is the something highly considered, saves at present
Electricity is typically all used for single device, specifically applies to the little of transformator entirety economize on electricity field.Both can apply to single device, also
Can apply to the wealthy practicality in side of transformator whole energy, be the characteristic of this patent.Current limiting low-voltage reactor and autotransformer
Combination application, be also pioneering in low-pressure field.
Summary of the invention
The technical problem to be solved is: the most effectively save distribution system electricity consumption.
The technical solution adopted in the present invention is: a kind of current limiting low-voltage constant voltage equipment, at distribution transformer low-voltage output
Connecting a current-limiting reactor and a three-dimensional winding iron core autotransformer, the outfan of three-dimensional winding iron core autotransformer is one
Individual multi-tap pressure regulator Exciting Windings for Transverse Differential Protection, multi-tap pressure regulator Exciting Windings for Transverse Differential Protection has multiple gear, the output of each gear to connect one
Switch, each switch connects control chip, and gear refers to that the winding of different coil number, control chip connection are arranged on electrical appliance
Power detection device.
As a kind of optimal way: all gear output voltages of multi-tap pressure regulator Exciting Windings for Transverse Differential Protection are 90% low pressure output
Terminal voltage ~ 110% low-voltage output voltage.
As a kind of optimal way: gear has five, the low pressure output of corresponding output 110%, 100%, 96%, 92%, 90%
Terminal voltage.
Current-limiting reactor plays the effect of current-limiting protection, coordinates three-dimensional winding iron core autotransformer, by means of FPGA (Field-
Programmable Gate Array, i.e. field programmable gate array, in terms of little control system, substituted PLC's becomes
Gesture) automatic control system, the automatic smoothing handoff functionality of output voltage can be realized.
The outfan of three-dimensional winding iron core autotransformer is a multi-tap pressure regulator Exciting Windings for Transverse Differential Protection, and multi-tap pressure regulator is encouraged
Magnetic winding has multiple gear, the output of each gear to connect a switch, and each switch connects control chip, multi-tap pressure regulator
Exciting Windings for Transverse Differential Protection connects electrical appliance, and control chip connects the power detection device being arranged on electrical appliance, and control chip is according to power
The changed power situation that detection device detects, controls to switch on and close, and makes electrical appliance transport under minimum suitable voltage
OK, gear refers to the winding of different coil number, and low-voltage output and the multi-tap pressure regulator of three-dimensional winding iron core autotransformer are encouraged
Magnetic winding uses same three-dimensional winding iron core.Control to switch on by control chip, when appliance starting, use output electricity
Press the highest gear, in normal work, automatically switch to, according to behaviour in service control chip, the gear that output voltage is relatively low, this
Sample can not only save electric energy, nor easily burns electrical appliance, and control chip connects the power detection dress being arranged on electrical equipment
Put, open different switch according to changed power on electrical equipment, make electrical appliance run under minimum suitable voltage, also just count power rise
Time, select high output voltage, during power drop, select low output voltage.
General electrical equipment needs higher voltage, stable rear one relatively low voltage of maintenance just can meet joint on startup
Can need, corresponding five gears of the present invention, can select, according to the needs of electrical appliance, the different gear that automatically switches, only need to be at core
Sheet sets switching condition just may be used, it is possible to effectively save electric energy.
In the selection of above gear of the present invention, it is that the gear that can meet major part electrical equipment needs at present selects, but this
Bright do not limited to above gear select.
The invention has the beneficial effects as follows: at distribution transformer low-voltage output one current-limiting reactor of series connection and a three-dimensional winding
Iron core autotransformer, utilizes the characteristic of current-limiting reactor, can absorb surge, thus sluggish heavy current impact, reduce system wink
Time pressure drop, improve system stability, and serve the effect of filtering, improve the power factor of system, protect simultaneously
The safety of three-dimensional winding iron core autotransformer；Utilize excitation balance mode and the construction features of three-dimensional winding iron core, reach in three-phase
Mutual balanced action in magnetic potential, makes the voltage flowing in electrical equipment be balanced and stablizes thus reach the mesh of power saving
's；Meanwhile, by selecting different gears, and then export different voltage, make electrical equipment run, effectively under minimum suitable voltage
Save the energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is solid three-dimensional winding iron core reactor schematic diagram of the present invention；
Wherein, 1, distribution transformer low-voltage output, 2, current-limiting reactor, 3, three-dimensional winding iron core autotransformer input, 4,
First gear winding output, 5, second gear winding output, 6, third gear position winding output, 7, fourth gear position winding output, 8,
The output of fifth gear position winding, the 9, first switch, 10, second switch, the 11, the 3rd switch, the 12, the 4th switch, the 13, the 5th switch,
14, electrical appliance is connected, 15, the first phase input of three-phase alternating current, 16, the first phase output terminal of three-phase alternating current, 17, three-phase
Second phase input of alternating current, 18, the second phase output terminal of three-phase alternating current, 19, the third phase input of three-phase alternating current,
20, the third phase outfan of three-phase alternating current, 21, three-dimensional winding iron core reactor support.
Detailed description of the invention
As it is shown in figure 1, be connected to three-dimensional winding iron core certainly after distribution transformer low-voltage output one current-limiting reactor of series connection
Coupling transformer inputs, in order to make output end voltage balance, this current-limiting reactor is a three-dimensional winding iron core reactor, and three intersect
The outfan of stream electricity realizes the balance of voltage and stable output, three-dimensional winding iron core autotransformer outfan by excitation balance mode
For multi-tap pressure regulator Exciting Windings for Transverse Differential Protection, have five gears, the output of the most corresponding 110%, 100%, 96%, 92%, 90% voltage,
When electrical appliance initial start, control chip controls the first switch and opens other switch closedown, and the voltage of 110% ensures electrical appliance
Quick startup, after startup, control chip controls second switch and opens other switch and close, and lasts till the even running of electrical appliance,
After control chip detects that electrical appliance was in rated output power in 1 minute, control chip controls the 3rd switch and opens it
It switchs closedown, again continues to the even running of electrical appliance, when control chip detects that electrical appliance was in output in 1 minute
After power is steady, control chip controls the 4th switch and opens other switch closedown, again continues to the even running of electrical appliance, when
After control chip detects that electrical appliance was in stable output power in 1 minute, control chip controls the 5th switch and opens other
Switch cuts out, and keeps electrical appliance to run in this state.
Due to excitation balance mode and the construction features of three-dimensional winding iron core, reach mutual balanced action in magnetic potential in three-phase,
Make the voltage flowing on electrical appliance be balanced and stablize thus reach the purpose of power saving；The current limliting simultaneously as connected
Reactance, can absorb surge, thus sluggish heavy current impact, reduce system instantaneous pressure drop, improve system stability, and rise
Arrive the effect of filtering, improve the power factor of system, and owing to the effect of multi-tap pressure regulator Exciting Windings for Transverse Differential Protection can reach
Purpose to power saving.
Claims (3)
1. a current limiting low-voltage constant voltage equipment, it is characterised in that: at distribution transformer low-voltage output one current-limiting reactor of series connection
Device and a three-dimensional winding iron core autotransformer, the outfan of three-dimensional winding iron core autotransformer is that a multi-tap pressure regulator is encouraged
Magnetic winding, multi-tap pressure regulator Exciting Windings for Transverse Differential Protection has multiple gear, the output of each gear to connect a switch, and each switch connects
Control chip, gear refers to the winding of different coil number, and control chip connects the power detection device being arranged on electrical appliance.
A kind of current limiting low-voltage constant voltage equipment the most according to claim 1, it is characterised in that: multi-tap pressure regulator Exciting Windings for Transverse Differential Protection
All gear output voltages be 90% low-voltage output voltage ~ 110% low-voltage output voltage.
A kind of current limiting low-voltage constant voltage equipment the most according to claim 2, it is characterised in that: gear has five, corresponding defeated
Go out the low-voltage output voltage of 110%, 100%, 96%, 92%, 90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694385.5A CN106253692A (en) | 2016-08-22 | 2016-08-22 | A kind of current limiting low-voltage constant voltage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694385.5A CN106253692A (en) | 2016-08-22 | 2016-08-22 | A kind of current limiting low-voltage constant voltage equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106253692A true CN106253692A (en) | 2016-12-21 |
Family
ID=57591818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610694385.5A Pending CN106253692A (en) | 2016-08-22 | 2016-08-22 | A kind of current limiting low-voltage constant voltage equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106253692A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556688Y (en) * | 2002-07-04 | 2003-06-18 | 武汉能发伟业节能科技有限公司 | Intelligent low voltage distribution power saver |
| CN105356473A (en) * | 2015-11-20 | 2016-02-24 | 乔宇 | High-voltage electricity saving system |
| CN105429142A (en) * | 2015-12-25 | 2016-03-23 | 山西乐普节能技术有限公司 | High voltage power-saving system with seamless connection function |
-
2016
- 2016-08-22 CN CN201610694385.5A patent/CN106253692A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556688Y (en) * | 2002-07-04 | 2003-06-18 | 武汉能发伟业节能科技有限公司 | Intelligent low voltage distribution power saver |
| CN105356473A (en) * | 2015-11-20 | 2016-02-24 | 乔宇 | High-voltage electricity saving system |
| CN105429142A (en) * | 2015-12-25 | 2016-03-23 | 山西乐普节能技术有限公司 | High voltage power-saving system with seamless connection function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161221 |