CN203825516U - Double winding voltage-adjusting control system - Google Patents
Double winding voltage-adjusting control system Download PDFInfo
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- CN203825516U CN203825516U CN201320764168.0U CN201320764168U CN203825516U CN 203825516 U CN203825516 U CN 203825516U CN 201320764168 U CN201320764168 U CN 201320764168U CN 203825516 U CN203825516 U CN 203825516U
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- Prior art keywords
- winding
- transmission line
- pressure regulator
- power transmission
- voltage
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- 238000004804 winding Methods 0.000 title claims abstract description 75
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model discloses a double winding voltage-adjusting control system. The input end of a voltage regulator of the double winding voltage-adjusting control system is connected with a first switch unit, the first switch unit is connected with a power grid side power transmission line, the voltage regulator is a double winding sensing voltage regulator and is provided with a public winding and a secondary winding, one end of the public winding of the voltage regulator is connected with a first switch unit, the other end of the public winding is connected with one end of the secondary winding, and the other end of the secondary winding is connected with a user side power transmission line. A controller unit is connected with the power grid side power transmission line and is respectively connected with the first switch unit and a second switch unit, and the power grid side power transmission line is connected with the user side power transmission line through the second switch unit. The double winding voltage-adjusting control system is controlled through on-off of the first switch unit and the second switch unit, the public winding and the secondary winding are cooled by adopting the design of an oil immersed sensing voltage device and a double winding sensing voltage regulator, and the heat dissipation problem of the voltage regulator is effectively solved.
Description
Technical field
The utility model relates to electric power supply technical field, especially relates to a kind of double winding voltage control system.
Background technology
Power regulator is one of equipment crucial in electric power supply system, and it is bearing voltage transformation, electric current distributes transmission, and electrical power services is provided.Therefore, the true(-)running of pressure regulator is the assurance to power system security, reliable, high-quality, economical operation.
In conventional electric power supply system, grid side directly provides single-phase voltage or three-phase voltage to user's side, in order effectively to make the output voltage of user's side reach specified a certain voltage, need to increase pressure regulator the single-phase voltage of grid side or three-phase voltage are carried out to transformation regulation and control.
The a certain phase of the three-phase voltage providing in grid side or two phase voltages are when low-pressure state, pressure regulator can boost simultaneously and offer user's side the three-phase voltage of grid side, so, can cause the phase voltage of grid side in normal operating conditions under pressure regulator effect, further to boost and offer user's side, cause the problem of the overtension that offers user's side, be unfavorable for the balance of grid side three-phase voltage in output procedure.
Utility model content
Based on this, be necessary for the deficiencies in the prior art, a kind of double winding voltage control system is provided, and application is stable, and reliability is high, effectively controls the break-make between pressure regulator and grid side power transmission line, has overcome the imbalance of three-phase voltage output.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of double winding voltage control system, it comprises pressure regulator, controller unit, the first switch element and second switch unit, the input end of described pressure regulator connects the first switch element, and described the first switch element connects grid side power transmission line;
Described pressure regulator is double winding induction voltage regulator, described pressure regulator is provided with public winding and Secondary Winding, public winding one end of described pressure regulator connects the first switch element, and the described public winding other end is connected with Secondary Winding one end, and the described Secondary Winding other end connects user's side power transmission line;
The test side of described controller unit is connected with described grid side power transmission line, for detection of grid side bus voltage; The control end of described controller unit connects respectively described the first switch element and second switch unit, for controlling the break-make of the first switch element and second switch unit;
Described grid side power transmission line is connected with user's side power transmission line by described second switch unit, for providing voltage to user's side power transmission line.
In an embodiment, the public winding of described pressure regulator is placed on stator therein, for the former limit of pressure regulator; The Secondary Winding of described pressure regulator is placed on rotor, for the secondary of pressure regulator.
In an embodiment, described pressure regulator is oil immersed type induced electricity depressor, between described public winding and Secondary Winding, is full of transformer oil therein.
In an embodiment, described grid side power transmission line is three phase transmission line structure therein.
In an embodiment, described controller unit comprises processor and voltage detecting circuit therein, the test side of the corresponding controller unit of input end of described voltage detecting circuit, and the control end of the corresponding controller unit of output terminal of described processor,
The input end of described voltage detecting circuit connects grid side power transmission line, for detection of grid side bus voltage;
The input end of described processor connects the output terminal of voltage detecting circuit, and the output terminal of described processor connects described the first switch element and second switch unit, for controlling the break-make of the first switch element and second switch unit.
In an embodiment, described processor is single-chip microcomputer, ARM chip, PFGA chip or dsp chip therein.
In sum, the utility model double winding voltage control system is by detecting grid side bus voltage, coordinate controller unit to control the break-make of the first switch element and the one or two switch element, make during in low-pressure state, by pressure regulator, to allow user's side bus voltage effectively improve at grid side bus voltage; And coordinate employing oil immersed type induced electricity depressor and double winding induction voltage regulator to design, utilize insulativity, the thermal conductivity feature of transformer oil that public winding and Secondary Winding are carried out cooling, efficiently solve pressure regulator heat dissipation problem, meanwhile, the temperature rise of public winding and Secondary Winding is low, bearing load ability grow, make pressure regulator compact conformation, build is less, is convenient to handling and transportation, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model double winding voltage control system;
Fig. 2 is the circuit structure schematic diagram of the utility model pressure regulator shown in Fig. 1.
Embodiment
For further understanding feature of the present utility model, technological means and the specific purposes that reach, function, below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As depicted in figs. 1 and 2, the utility model double winding voltage control system, for three-phase voltage output, it comprises pressure regulator, controller unit, the first switch element and second switch unit, the input end of described pressure regulator connects the first switch element, described the first switch element connects grid side power transmission line, described grid side power transmission line is three phase transmission line structure, by controlling the break-make of the first switch element, allow grid side power transmission line be connected with pressure regulator, while making pressure regulator not need to use, can effectively avoid pressure regulator input end to be connected with grid side power transmission line the open circuit loss causing, be more conducive to energy-conservation.
Described pressure regulator is double winding induction voltage regulator, and described pressure regulator is provided with public winding and Secondary Winding, and the public winding of described pressure regulator is placed on stator, for the former limit of pressure regulator; The Secondary Winding of described pressure regulator is placed on rotor, for the secondary of pressure regulator; Described public winding one end connects the first switch element, and the described public winding other end is connected with Secondary Winding one end, and the described Secondary Winding other end connects user's side power transmission line.
Described pressure regulator is oil immersed type induced electricity depressor, between described public winding and Secondary Winding, be full of transformer oil, pressure regulator is in operation, and after the transformer oil of close public winding and Secondary Winding is heated, temperature raises, volumetric expansion, proportion reduces and rises, and enters the bottom of pressure regulator fuel tank after cooling device is cooling again, thereby forms oily circulation, in cyclic process, by dissipation of heat to cooling device, thereby it is cooling that public winding and Secondary Winding are obtained, load-bearing capacity grow.
The test side of described controller unit is connected with described grid side power transmission line, for detection of grid side bus voltage; The control end of described controller unit connects respectively described the first switch element and second switch unit, for controlling the break-make of the first switch element and second switch unit; Described grid side power transmission line is connected with user's side power transmission line by described second switch unit, be used for providing voltage to user's side power transmission line, described controller unit detects analysis to grid side bus voltage, when grid side bus voltage is during lower than preset value, described controller unit is controlled the break-make of the first switch element and second switch unit, makes grid side bus voltage after pressure regulator boosts, offer user's side power transmission line.
Particularly, described controller unit comprises processor and voltage detecting circuit, described processor is single-chip microcomputer, ARM chip, PFGA chip or dsp chip, the test side of the corresponding controller unit of input end of described voltage detecting circuit, the control end of the corresponding controller unit of output terminal of described processor, the input end of described voltage detecting circuit connects grid side power transmission line, for detection of grid side bus voltage, the input end of described processor connects the output terminal of voltage detecting circuit, for the testing result of voltage detecting circuit is carried out to analyzing and processing, the output terminal of described processor connects described the first switch element and second switch unit, for controlling the break-make of the first switch element and second switch unit, described processor detects analysis to grid side bus voltage, when grid side bus voltage is during lower than preset value, described controller unit is controlled the break-make of the first switch element and second switch unit, make grid side bus voltage after pressure regulator boosts, offer user's side power transmission line.
During the utility model operation, the on off operating mode of the first switch element and second switch unit is inconsistent, and second switch unit is in normally off, and the first switch element is in normally open, and grid side power transmission line is directly powered to user's side power transmission line; Controller unit detection of grid side bus voltage value, and be analyzed with preset value, when grid side bus voltage is during lower than preset value, controller unit is controlled the first switch element conducting, control second switch unit and disconnect, now, grid side bus voltage offers user's side after boosting via pressure regulator, thereby during in low-pressure state, can effectively improve user's side bus voltage at grid side bus voltage.
The utility model double winding voltage control system is by detecting grid side bus voltage, coordinate controller unit to control the break-make of the first switch element and the one or two switch element, make during in low-pressure state, by pressure regulator, to allow user's side bus voltage effectively improve at grid side bus voltage; And coordinate employing oil immersed type induced electricity depressor and double winding induction voltage regulator to design, utilize insulativity, the thermal conductivity feature of transformer oil that public winding and Secondary Winding are carried out cooling, efficiently solve pressure regulator heat dissipation problem, meanwhile, the temperature rise of public winding and Secondary Winding is low, bearing load ability grow, make pressure regulator compact conformation, build is less, is convenient to handling and transportation, easy to maintenance.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with claims.
Claims (6)
1. a double winding voltage control system, is characterized in that: comprise pressure regulator, controller unit, the first switch element and second switch unit, the input end of described pressure regulator connects the first switch element, and described the first switch element connects grid side power transmission line;
Described pressure regulator is double winding induction voltage regulator, described pressure regulator is provided with public winding and Secondary Winding, public winding one end of described pressure regulator connects the first switch element, and the described public winding other end is connected with Secondary Winding one end, and the described Secondary Winding other end connects user's side power transmission line;
The test side of described controller unit is connected with described grid side power transmission line, for detection of grid side bus voltage; The control end of described controller unit connects respectively described the first switch element and second switch unit, for controlling the break-make of the first switch element and second switch unit;
Described grid side power transmission line is connected with user's side power transmission line by described second switch unit, for providing voltage to user's side power transmission line.
2. double winding voltage control system according to claim 1, is characterized in that: the public winding of described pressure regulator is placed on stator, for the former limit of pressure regulator; The Secondary Winding of described pressure regulator is placed on rotor, for the secondary of pressure regulator.
3. double winding voltage control system according to claim 1 and 2, is characterized in that: described pressure regulator is oil immersed type induced electricity depressor, between described public winding and Secondary Winding, is full of transformer oil.
4. double winding voltage control system according to claim 1, is characterized in that: described grid side power transmission line is three phase transmission line structure.
5. double winding voltage control system according to claim 1, it is characterized in that: described controller unit comprises processor and voltage detecting circuit, the test side of the corresponding controller unit of input end of described voltage detecting circuit, the control end of the corresponding controller unit of output terminal of described processor
The input end of described voltage detecting circuit connects grid side power transmission line, for detection of grid side bus voltage;
The input end of described processor connects the output terminal of voltage detecting circuit, and the output terminal of described processor connects described the first switch element and second switch unit, for controlling the break-make of the first switch element and second switch unit.
6. double winding voltage control system according to claim 5, is characterized in that: described processor is single-chip microcomputer, ARM chip, PFGA chip or dsp chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764168.0U CN203825516U (en) | 2013-11-26 | 2013-11-26 | Double winding voltage-adjusting control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764168.0U CN203825516U (en) | 2013-11-26 | 2013-11-26 | Double winding voltage-adjusting control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825516U true CN203825516U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320764168.0U Expired - Lifetime CN203825516U (en) | 2013-11-26 | 2013-11-26 | Double winding voltage-adjusting control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319085A (en) * | 2014-11-14 | 2015-01-28 | 任晓东 | Contactless on-load stepless voltage regulating transformer |
-
2013
- 2013-11-26 CN CN201320764168.0U patent/CN203825516U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319085A (en) * | 2014-11-14 | 2015-01-28 | 任晓东 | Contactless on-load stepless voltage regulating transformer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |