CN206848848U - Quadrature field regulator - Google Patents
Quadrature field regulator Download PDFInfo
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- CN206848848U CN206848848U CN201720642007.2U CN201720642007U CN206848848U CN 206848848 U CN206848848 U CN 206848848U CN 201720642007 U CN201720642007 U CN 201720642007U CN 206848848 U CN206848848 U CN 206848848U
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- iron core
- magnetic circuit
- auxiliary magnetic
- module
- winding
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Abstract
It the utility model is related to pressure regulator field, and in particular to a kind of quadrature field regulator and pressure regulation method.The utility model is can not to realize smooth continuous voltage regulating to solve current on-load voltage regulation mode, and switches the mode of tap so that the problem of cumbersome response speed is slow.Quadrature field regulator of the present utility model includes：Pressure regulator, sampling module, A/D converter, CPU control modules, DC Module and inversion module, pressure regulator include main magnetic circuit and auxiliary magnetic circuit；The utility model after A/D converter is handled, is exported using the voltage and current data of sampling module collection pressure regulator secondary side output and gives CPU control modules；CPU control modules send corresponding instruction to inversion module according to the data；DC Module is by inversion module to auxiliary magnetic circuit output current I；Changes of the electric current I in a cycle, it will cause the change of auxiliary magnetic circuit and pressure regulator public domain magnetic resistance, and then realize pressure regulation.The utility model can be used for the on-load voltage regulation of transformer.
Description
Technical field
It the utility model is related to pressure regulator field, and in particular to a kind of quadrature field regulator.
Background technology
Transformer regulating be by tap changer (shunting switch) adjust connect the lateral coil of transformer one (generally high-tension coil,
Electric current is small) tap change the number of turn of coil, reach the purpose for changing output voltage.Transformer regulating is divided into no-load tune
Two kinds of pressure and on-load voltage regulation.No-load changer is exactly that first the power supply of transformer is disconnected, and then adjusts shunting switch, then connect with the mains and allow
Transformer normal work.On-load voltage regulation is exactly continuous switch power supply, allows transformer in normal operation, bringing onto load regulation tap
Switch.Its principle is exactly, switch moving contact from transition circuit when not yet leaving completely for one grade, is connected (by transition resistance
Electric current between two grades of limitation), to ensure transformer not dead electricity, after moving contact reaches another shelves, then transition circuit is disconnected, adjusted
Section just completes.On-load voltage regulating switch is in addition to having excessive circuit, it is necessary to has good arc extinction performance.
Traditional on-load voltage regulation mode has the following disadvantages：By changing number of turn no-load voltage ratio pressure regulation, voltage can not be accomplished smoothly to connect
Continuous pressure regulation.Switch the mode of tap so that cumbersome and pressure regulation response speed is very slow.On-load adjusts voltage, can not keep away
The generation electric arc exempted from, security cannot be guaranteed.Therefore a on load voltage device is designed and can be so that voltage smoothly quickly connects
Continuous adjustment is necessary.
Utility model content
The utility model can not realize smooth continuous voltage regulating to solve current on-load voltage regulation mode, and switch tap
Mode so that the problem of cumbersome and pressure regulation response speed is very slow, propose a kind of quadrature field regulator.
What the purpose of this utility model was realized in：A kind of quadrature field regulator, including：Pressure regulator, sampling mould
Block, A/D converter, CPU control modules, DC Module, inversion module；
The pressure regulator includes main magnetic circuit and auxiliary magnetic circuit, and the main magnetic circuit includes first siding ring, second siding ring, put down
Weigh coil, middle column iron core, lateral column iron core and load ZL；
The auxiliary magnetic circuit includes auxiliary magnetic circuit iron core and auxiliary magnetic circuit coil；
The lateral column iron core is a rectangular wire frame, and the first siding ring, second siding ring are respectively wound around lateral column iron core
Left side vertical post and right vertical post on；
The middle column iron core is a prism, among the vertical post in the left and right sides of lateral column iron core and with a left side for lateral column iron core
The right vertical post in both sides is parallel, and the balance coil is wrapped on the vertical post of arranged on left and right sides and middle column iron core of lateral column iron core；Lateral column
The right vertical post and middle column iron core of iron core provide two magnetic shunt paths respectively；
The auxiliary magnetic circuit iron core is a rectangular wire frame, and it is perpendicular that the auxiliary magnetic circuit coil is wrapped in auxiliary magnetic circuit iron core one
On right cylinder；
During the voltage regulator operation, auxiliary magnetic circuit iron core is nested into lateral column iron core sleeve in auxiliary magnetic circuit iron core and center pillar iron
Outside core, the plane represented by auxiliary magnetic circuit iron core is vertical with the plane that lateral column iron core represents.
The primary side access power network of the pressure regulator, the secondary side connection load Z of pressure regulatorL, the load ZLTwo terminations
Enter the input of sampling module, the output end of the sampling module connects the input of A/D converter, the A/D converter
Output end connects the input of CPU control modules, the input of the output end connection inversion module of the CPU control modules, institute
State the input of inversion module while connect the output end of DC Module, the output end connection auxiliary magnetic circuit line of the inversion module
Circle；
The balance coil is used to balance short-circuit impedance in voltage regulator body, and the sampling module is used to gather pressure regulator two
The voltage and current data of secondary side output, the analog signal that the A/D converter is used to locate voltage and current are converted to digital letter
Number, and give digital data transmission to CPU control modules, the CPU control modules are used to send signal, control inversion module, institute
State DC Module and specific electric current exported by inverter, control auxiliary magnetic circuit and pressure regulator quadrature component magnetic resistance it is big
It is small.
Further, the sectional area of the auxiliary magnetic circuit iron core and middle column iron core quadrature component be less than auxiliary magnetic circuit iron core its
The sectional area of his part.
Further, the balance coil includes the first winding, the second winding and the tertiary winding, and the first winding is wrapped in side
On the left side vertical post of column iron core, second winding and it is wrapped on middle column iron core, the tertiary winding is wrapped in lateral column iron
On the right vertical post of core, the second winding lower end lead-out wire is connected with the upper end lead-out wire of the tertiary winding, described second around
The upper end lead-out wire of group is connected with the lower end lead-out wire of the first winding, the upper end lead-out wire of first winding and the tertiary winding
Lower end lead-out wire is connected.
Beneficial effect：
First, the utility model voltage regulator body is compared to two traditional iron core column structure transformers and has had more center pillar portion
Point and auxiliary magnetic circuit, two parts be orthohormbic structure, center pillar part be in order to have more a magnetic shunt path to the magnetic flux that primary side provides,
Controllable current I is applied to the coil of auxiliary magnetic circuit, the magnetic resistance of the bigger quadrature component of electric current just becomes bigger, and primary side flows through center pillar
Magnetic flux will be reduced according to magnetic circuit theorem, the voltage rise of the magnetic flux increase flowed through so as to secondary side, i.e. secondary side, so as to reach
To the purpose of pressure regulation, by controlling the size of electric current in auxiliary magnetic circuit coil, secondary side voltage is adjusted, this voltage regulating mode can
Realize smooth continuous voltage regulating.
Second, device is using mode of magnetization regulation magnetic resistance, so as to control the magnetic flux for flowing through secondary side, therefore fast response time.
Brief description of the drawings
Fig. 1 structure charts of the present utility model；
The front view of Fig. 2 auxiliary magnetic circuit iron cores of the present utility model and lateral column column iron core position relationship；
Fig. 3 auxiliary magnetic circuit iron cores of the present utility model and the left view of lateral column plunger position relation；
Fig. 4 auxiliary magnetic circuit iron cores of the present utility model and the top view of lateral column plunger position relation；
The circuit theory diagrams of Fig. 5 sampling modules of the present utility model；
The circuit theory diagrams of Fig. 6 A/D converters of the present utility model；
The circuit diagram of Fig. 7 DC Modules of the present utility model and inversion module.
Embodiment
Embodiment 1：Illustrate present embodiment, the quadrature field regulator knot of present embodiment with reference to Fig. 1~4
Structure as shown in figure 1, including：Pressure regulator, sampling module, A/D converter, CPU control modules, DC Module, inversion module；
The pressure regulator includes main magnetic circuit and auxiliary magnetic circuit, the main magnetic circuit include first siding ring 1, second siding ring 2,
Balance coil 3, middle column iron core 4, lateral column iron core 5 and load ZL；
The auxiliary magnetic circuit includes auxiliary magnetic circuit iron core 6 and auxiliary magnetic circuit coil 7；
The lateral column iron core 5 is a rectangular wire frame, and the first siding ring 1, second siding ring 2 are respectively wound around lateral column iron
On the left side vertical post and right vertical post of core 5.
The middle column iron core 4 is a prism, among the vertical post in the left and right sides of lateral column iron core 5 and with lateral column iron core 5
The vertical post in the left and right sides it is parallel, the balance coil is wrapped in the vertical post of arranged on left and right sides and middle column iron core 4 of lateral column iron core 5
On；The right vertical post and middle column iron core 4 of lateral column iron core 5 provide two magnetic shunt paths respectively.
The auxiliary magnetic circuit iron core 6 is a rectangular wire frame, and the auxiliary magnetic circuit coil 7 is wrapped in auxiliary magnetic circuit iron core 7 one
On individual vertical post.
During the voltage regulator operation, auxiliary magnetic circuit iron core 6 is nested into lateral column iron core 5 and is enclosed in auxiliary magnetic circuit iron core 6 with
Outside column iron core 4, the plane represented by auxiliary magnetic circuit iron core 6 is vertical with the plane that lateral column iron core 5 represents, auxiliary magnetic circuit iron core 6 with
The front view of the position relationship of lateral column iron core 5 is as shown in Figure 2；The left view of auxiliary magnetic circuit iron core 6 and the position relationship of lateral column iron core 5 is such as
Shown in Fig. 3；The top view of auxiliary magnetic circuit iron core 6 and the position relationship of lateral column iron core 5 is as shown in Figure 4.
The primary side access power network of the pressure regulator, the secondary side connection load Z of pressure regulatorL, the load ZLTwo terminations
Enter the input of sampling module, the output end of the sampling module connects the input of A/D converter, the A/D converter
Output end connects the input of CPU control modules, the input of the output end connection inversion module of the CPU control modules, institute
State the input of inversion module while connect the output end of DC Module, the output end connection auxiliary magnetic circuit line of the inversion module
Circle 7.
The balance coil is used to balance short-circuit impedance in voltage regulator body, and the sampling module is used to gather pressure regulator two
The voltage and current data of secondary side output, the analog signal that the A/D converter is used to locate voltage and current are converted to digital letter
Number, and give digital data transmission to CPU control modules, the CPU control modules are used to send signal, control inversion module, institute
State DC Module and specific electric current exported by inverter, control auxiliary magnetic circuit and main magnetic circuit quadrature component magnetic resistance it is big
It is small.
The circuit theory diagrams of the sampling module are as shown in Figure 5.
The circuit theory diagrams of the A/D converter are as shown in Figure 6.
The CPU control modules include CPLD CPLDs, dual port RAM and DSP, and the CPLD complexity can
Programmed logic device uses chip Altera EPM1270T144C5-MO, the model CY7C024AV of the dual port RAM, described
DSP uses chip TMS320F28335.
The voltage and current signal for needing to gather is changed into small-signal, wherein pressure regulator voltage and current by sampling module
Gathered by electromagnetic transformer, the voltage and current analog signal for measuring to obtain passes through operational amplifier electrical isolation and amplification；Mould
Intend signal and data signal is converted to by analog to digital (A-D) converter, the order for reading data is controlled by CPLD, and distribute
To dual port RAM, DSP is sent to；DSP is calculated by algorithm, then data are transferred back into CPLD, CPLD output PWM wave modes, is then controlled
Electric current required for the driving output of inversion module processed.
The circuit diagram of the DC Module and inversion module is as shown in Figure 7.
Embodiment 2：Present embodiment further limits on the basis of embodiment 1, the auxiliary magnetic
The sectional area of road iron core and middle column iron core quadrature component is less than the sectional area of auxiliary magnetic circuit iron core other parts, such quadrature component
Will be prior to magnetic circuit other parts saturation, convenient control.
Embodiment 3：Present embodiment further limits on the basis of embodiment 1, the balanced line
Circle includes the first winding 301, the second winding 302 and the tertiary winding 303, and the left side that the first winding 301 is wrapped in lateral column iron core 5 is erected
On right cylinder, second winding 302 and it is wrapped on middle column iron core 4, the tertiary winding 303 is wrapped in the right side of lateral column iron core 5
On the vertical post in side, the lower end lead-out wire of the second winding 302 is connected with the upper end lead-out wire of the tertiary winding 303, described second around
Group 302 upper end lead-out wire be connected with the lower end lead-out wire of the first winding 301, the upper end lead-out wire of first winding 301 and
The lower end lead-out wire of the tertiary winding 303 is connected, when the magnetic flux that center pillar and secondary side flow through is less than the magnetic flux that primary side flows through
When, balance coil will force two parts to flow through equal magnetic flux, ensure the reliability of secondary side induced potential with this.
Operation principle：
Sampling module collects the voltage and current data of pressure regulator secondary side output, after the processing of A/D converter,
Export and give CPU control modules；The data that CPU control modules transmit according to A/D converter, corresponding finger is sent to inversion module
Order；The electric current I that DC Module can be controlled by inversion module to auxiliary magnetic circuit output size；Electric current I change, it will cause
The change of public domain magnetic resistance, but the magnetic field being superimposed in a cycle in both direction make it that the magnetic resistance of orthogonal area is equal,
Change electric current I in different cycles, quadrature component will tend to saturation from unsaturation, the electricity of winding is flowed through in orthogonal auxiliary magnetic circuit
For stream in default excursion, the magnetic resistance of the bigger quadrature component of electric current just becomes bigger, foundation magnetic circuit theorem, during primary side flows through
The magnetic flux of column iron core is reduced, and so as to the magnetic flux increase that secondary side flows through, i.e. the voltage of secondary side is raised so as to realize pressure regulation.
Claims (3)
- A kind of 1. quadrature field regulator, it is characterised in that including：Pressure regulator, sampling module, A/D converter, CPU controls Module, DC Module, inversion module；The pressure regulator includes main magnetic circuit and auxiliary magnetic circuit, the main magnetic circuit include first siding ring (1), second siding ring (2), Balance coil (3), middle column iron core (4), lateral column iron core (5) and load ZL；The auxiliary magnetic circuit includes auxiliary magnetic circuit iron core (6) and auxiliary magnetic circuit coil (7)；The lateral column iron core (5) is a rectangular wire frame, and the first siding ring (1), second siding ring (2) are respectively wound around lateral column On the left side vertical post and right vertical post of iron core (5)；The middle column iron core (4) is a prism, among the vertical post in the left and right sides of lateral column iron core (5) and with lateral column iron core (5) the vertical post in the left and right sides is parallel, and the balance coil is wrapped in the vertical post of arranged on left and right sides and center pillar of lateral column iron core (5) On iron core (4)；The right vertical post and middle column iron core (4) of lateral column iron core (5) provide two magnetic shunt paths respectively；The auxiliary magnetic circuit iron core (6) is a rectangular wire frame, and the auxiliary magnetic circuit coil (7) is wrapped in auxiliary magnetic circuit iron core (6) On one vertical post；During the voltage regulator operation, auxiliary magnetic circuit iron core (6) be nested into lateral column iron core (5) be enclosed in auxiliary magnetic circuit iron core (6) and Outside, the plane represented by auxiliary magnetic circuit iron core (6) is vertical with the plane that lateral column iron core (5) represents for middle column iron core (4)The primary side access power network of the pressure regulator, the secondary side connection load Z of pressure regulatorL, the load ZLBoth ends access adopt The input of egf block, the input of the output end connection A/D converter of the sampling module, the output of the A/D converter The input of end connection CPU control modules, the input of the output end connection inversion module of the CPU control modules are described inverse The input for becoming module connects the output end of DC Module, the output end connection auxiliary magnetic circuit coil of the inversion module simultaneously (7)；The balance coil is used to balance short-circuit impedance in voltage regulator body, and the sampling module is used to gather pressure regulator secondary side The voltage and current data of output, the analog signal that the A/D converter is used to locate voltage and current are converted to data signal, and Give digital data transmission to CPU control modules, the CPU control modules are used to send signal, control inversion module, the direct current Module exports specific electric current by inverter, controls the size of the quadrature component magnetic resistance of auxiliary magnetic circuit and pressure regulator.
- 2. quadrature field regulator according to claim 1, it is characterised in that the auxiliary magnetic circuit iron core and center pillar iron The sectional area of core quadrature component is less than the sectional area of auxiliary magnetic circuit iron core other parts.
- 3. quadrature field regulator according to claim 1, it is characterised in that the balance coil includes the first winding (301), the second winding (302) tertiary winding (303), the first winding (301) are wrapped in the left side vertical post of lateral column iron core (5) On, second winding (302) and it is wrapped on middle column iron core (4), the tertiary winding (303) is wrapped in lateral column iron core (5) Right vertical post on, the second winding (302) lower end lead-out wire is connected with the upper end lead-out wire of the tertiary winding (303), institute The upper end lead-out wire for stating the second winding (302) is connected with the lower end lead-out wire of the first winding (301), first winding (301) Upper end lead-out wire be connected with the lower end lead-out wire of the tertiary winding (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720642007.2U CN206848848U (en) | 2017-06-05 | 2017-06-05 | Quadrature field regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720642007.2U CN206848848U (en) | 2017-06-05 | 2017-06-05 | Quadrature field regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206848848U true CN206848848U (en) | 2018-01-05 |
Family
ID=60798329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720642007.2U Withdrawn - After Issue CN206848848U (en) | 2017-06-05 | 2017-06-05 | Quadrature field regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206848848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107066010A (en) * | 2017-06-05 | 2017-08-18 | 哈尔滨理工大学 | Quadrature field regulator and pressure regulation method |
-
2017
- 2017-06-05 CN CN201720642007.2U patent/CN206848848U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107066010A (en) * | 2017-06-05 | 2017-08-18 | 哈尔滨理工大学 | Quadrature field regulator and pressure regulation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180105 Effective date of abandoning: 20180814 |
|
| AV01 | Patent right actively abandoned |