CN212990894U - Separately excited magnetically controlled reactor - Google Patents
Separately excited magnetically controlled reactor Download PDFInfo
- Publication number
- CN212990894U CN212990894U CN202021966786.XU CN202021966786U CN212990894U CN 212990894 U CN212990894 U CN 212990894U CN 202021966786 U CN202021966786 U CN 202021966786U CN 212990894 U CN212990894 U CN 212990894U
- Authority
- CN
- China
- Prior art keywords
- phase
- winding
- control
- rectifier bridge
- iron core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
A separately excited magnetically controlled reactor is characterized in that: the full-control rectifier bridge 2 is powered by a field 3AC380V power supply, the output positive and negative poles of the full-control rectifier bridge 2 are connected with a control winding opening triangle, direct current generated by the full-control rectifier bridge 2 is injected into the control winding of the magnetic control reactor by utilizing the characteristic that the voltage at the opening triangle of the three-phase winding is 0, the direct current is adjusted through the full-control rectifier bridge 2, and the impedance of the high-voltage winding 1 is adjusted.
Description
Technical Field
The utility model relates to a magnetic control reactor, a separately excited magnetic control reactor specifically says so.
Background
The separately excited magnetically controlled reactor has the advantages that the on-site 3AC380V power supply is used for supplying power for the rectifier bridge, and a power supply winding is not specially designed for the rectifier bridge, but the separately excited magnetically controlled reactor also has the following defects: 1. in order to avoid the control winding from generating high induced electromotive force, the reactor is generally designed to share one control winding for three phases, the shared control winding is wound outside a three-phase coil to form a large-diameter winding, and the large-diameter control winding has the phenomena of serious magnetic flux leakage, low control efficiency and high wire consumption due to large diameter and large air gap; 2. in order to form a magnetic flux loop, the reactor is generally designed to be of a 6-square iron core structure and a three-phase twelve-column iron core structure, so that the size is large, and the consumption of silicon steel sheets is large.
Disclosure of Invention
In order to overcome the bulky that current separately excited magnetic control reactor exists, silicon steel sheet and wire rod consume greatly, and control efficiency is not high, and the serious not enough of magnetic leakage flux, the utility model provides a novel separately excited magnetic control reactor, this magnetic control reactor utilize on-the-spot 3AC380V power to supply power for the rectifier bridge, and the iron core adopts three-phase five-column structure, and magnetic control reactor has small, compact structure, no magnetic leakage, advantage with low costs.
The utility model provides a technical scheme that its technical problem adopted is: a separately excited magnetically controlled reactor comprises a three-phase five-column iron core, and is characterized in that: the three-phase five-column iron core is characterized by further comprising a fully-controlled rectifier bridge, a high-voltage winding and a control winding are wound on a middle three-phase iron core column of the three-phase five-column iron core, the head of the A-phase control winding and the tail of the C-phase control winding are connected with the output anode and the output cathode of the fully-controlled rectifier bridge, the other heads and the tail of the three-phase control winding are connected into a triangle, namely direct current is injected from the three open corners of the three-phase control winding, and the fully-controlled rectifier bridge is powered by a field 3AC 380.
Furthermore, the three-phase five-column iron core is composed of a standard three-phase iron core and left and right side iron yokes, and three-phase direct current magnetic flux forms a magnetic loop through the three-phase iron core column and the side iron yokes without magnetic leakage.
Furthermore, the three-phase five-column iron core is formed by laminating silicon steel sheets.
The utility model has the advantages and the characteristics that:
1. the 3AC380 power supply on site is used for supplying power for the fully-controlled rectifier bridge, and a power supply winding is not required to be designed.
2. The iron core can be designed into a three-phase five-column structure, and the volume of the magnetically controlled reactor is reduced by more than 50%.
3. The three-phase five-column iron core forms a direct current magnetic flux loop without magnetic leakage.
4. The sum of the voltage vectors at the opening triangle is 0, and high voltage and low voltage are effectively isolated.
5. The control winding and the high-voltage winding are in a compact structure, and the control efficiency is high.
6. Reduce the consumption of silicon steel sheets and copper materials and reduce the cost.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the wiring of the preferred embodiment of the present invention.
Fig. 2 is a diagram of the core winding according to a preferred embodiment of the present invention.
The reference numbers in the figures denote: the transformer comprises a 1-high-voltage winding, a 2-full-control rectifier bridge, a 3-control winding, a 4-three-phase five-column iron core, a 5-A-phase control winding head, a 6-B-phase control winding head, a 7-C-phase control winding head, an 8-A-phase control winding tail, a 9-B-phase control winding tail, a 10-C-phase control winding tail, an 11-A-phase high-voltage winding head, a 12-B-phase high-voltage winding head, a 13-C-phase high-voltage winding head, a 14-A-phase high-voltage winding tail, a 15-B-phase high-voltage winding tail and a 16-C-phase high-voltage winding tail.
The specific implementation mode is as follows:
referring to fig. 1, a separately excited magnetically controlled reactor includes a high-voltage winding (1), and also includes a fully controlled rectifier bridge (2) and a control winding (3). The full-control rectifier bridge (2) is powered by a field 3AC380V power supply, the output positive and negative poles of the full-control rectifier bridge (2) are connected with the opening triangle of the control winding, direct current generated by the full-control rectifier bridge (2) is injected into the control winding of the magnetic control reactor by utilizing the characteristic that the voltage at the opening triangle of the three-phase winding is 0, and the impedance of the high-voltage winding (1) is adjusted by adjusting the direct current through the full-control rectifier bridge (2).
Referring to fig. 2, a separately excited controllable reactor, the iron core is a three-phase five-column iron core (4), the three-phase five-column iron core (4) is formed by silicon steel sheets through lamination, and is composed of a standard three-phase three-column iron core and left and right side iron yokes, and the winding structure of the middle three-phase iron core column is as follows: the tail end (8) of the A-phase control winding is connected with the head end (6) of the B-phase control winding, the tail end (9) of the B-phase control winding is connected with the head end (7) of the C-phase control winding, and the tail end (10) of the C-phase control winding and the head end (5) of the A-phase control winding are respectively connected with the positive electrode and the negative electrode output by the full-control rectifier bridge (2). The magnetic control reactor comprises an A-phase high-voltage winding head (11), a B-phase high-voltage winding head (12), a C-phase high-voltage winding head (13), an A-phase high-voltage winding tail (14), a B-phase high-voltage winding tail (15) and a C-phase high-voltage winding tail (16) which are connected according to the working requirements of the magnetic control reactor.
When the high-voltage winding works, the direct current input into the control winding (3) is adjusted through the adjustment of the full-control rectifier bridge (2), so that the impedance adjustment of the high-voltage winding (1) is realized. The direct current magnetic flux generated by the control winding (3) passes through the middle three-phase iron core column of the three-phase five-column iron core (4), the upper iron yoke, the lower iron yoke and the left and right side iron yokes to form a magnetic flux loop, so that the direct current magnetic flux is effectively shielded, and no leakage magnetic flux is generated.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the structural relationships and principles of the present invention, and that the present invention has various changes and modifications without departing from the spirit and scope of the present invention, which fall within the scope of the present invention.
The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A separately excited magnetically controlled reactor is characterized in that: the three-phase five-column magnetic control reactor comprises a three-phase five-column iron core (4), and also comprises a high-voltage winding (1), a full-control rectifier bridge (2) and a control winding (3), wherein the full-control rectifier bridge (2) is powered by an on-site 3AC380V power supply, the output positive and negative poles of the full-control rectifier bridge (2) are in triangular connection with an opening of the control winding, direct current generated by the full-control rectifier bridge (2) is injected into the control winding of the magnetic control reactor by utilizing the characteristic that the voltage at the triangular part of the opening of the three-phase winding is 0, and the direct current is adjusted through the full-control rectifier bridge (2), so that the impedance of.
2. The separately excited magnetically controlled reactor according to claim 1, characterized in that: the iron core is a three-phase five-column iron core (4), the three-phase five-column iron core (4) is formed by laminating silicon steel sheets and consists of a three-phase three-column iron core and left and right side iron yokes.
3. The separately excited magnetically controlled reactor according to claim 1, characterized in that: the winding structure of the middle three-phase iron core column of the three-phase five-column iron core (4) is as follows: the tail end (8) of the A-phase control winding is connected with the head (6) of the B-phase control winding, the tail end (9) of the B-phase control winding is connected with the head (7) of the C-phase control winding, and the tail end (10) of the C-phase control winding and the head (5) of the A-phase control winding are respectively connected with the positive electrode and the negative electrode output by the full-control rectifier bridge (2); the reactor comprises an A-phase high-voltage winding head (11), a B-phase high-voltage winding head (12), a C-phase high-voltage winding head (13), an A-phase high-voltage winding tail (14), a B-phase high-voltage winding tail (15) and a C-phase high-voltage winding tail (16) which are input and output taps of the reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021966786.XU CN212990894U (en) | 2020-09-10 | 2020-09-10 | Separately excited magnetically controlled reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021966786.XU CN212990894U (en) | 2020-09-10 | 2020-09-10 | Separately excited magnetically controlled reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212990894U true CN212990894U (en) | 2021-04-16 |
Family
ID=75416882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021966786.XU Active CN212990894U (en) | 2020-09-10 | 2020-09-10 | Separately excited magnetically controlled reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212990894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035538A (en) * | 2021-03-22 | 2021-06-25 | 赵忠臣 | Static voltage regulator |
-
2020
- 2020-09-10 CN CN202021966786.XU patent/CN212990894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035538A (en) * | 2021-03-22 | 2021-06-25 | 赵忠臣 | Static voltage regulator |
| CN113035538B (en) * | 2021-03-22 | 2023-10-20 | 赵忠臣 | Static voltage regulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212990894U (en) | Separately excited magnetically controlled reactor | |
| CN202049852U (en) | Transformer for photovoltaic inverter | |
| CN212084824U (en) | Magnetic integration high-impedance transformer type reactor | |
| CN102024547B (en) | Conjugated pipeline demagnetizer | |
| CN102904263B (en) | Quick magnetizing and demagnetizing device based on magnetically controlled reactor (MCR) | |
| CN204497043U (en) | The full leakage field of magnetic shunt type reclaims coaxial double winding controllable impedance reactor | |
| CN201465735U (en) | High-performance energy-conservation environment-protection high-voltage power transformer | |
| CN201608028U (en) | Self-induction controllable reactor duplex winding structure | |
| CN219202933U (en) | Balance reactor structure for rectifier transformer | |
| CN113380512A (en) | Topological structure of magnetic valve type controllable reactor | |
| CN209843468U (en) | LLC lap winding leakage inductance reduction transformer | |
| CN219716634U (en) | Separately excited and self-excited magnetically controlled reactor | |
| CN207868889U (en) | A kind of structure stator of impulse generator | |
| CN202616791U (en) | Magnetically controlled reactor rapid excitation device | |
| CN212161525U (en) | Magnetic integration multiple high-impedance transformer type reactor | |
| CN2720713Y (en) | Combined exciting rare-earth permanent magnet generator | |
| CN216671362U (en) | Multiple magnetic integration transformer type controllable reactor | |
| CN1273258C (en) | Inverter power device for medium frequency resistance welding | |
| CN201532826U (en) | Amorphous-alloy iron-core magnetically controlled reactor | |
| CN201616333U (en) | Arc welding transformer capable of saving magnet wires | |
| CN2359789Y (en) | Magnetic voltage regulator with magnetic shunt | |
| CN218069590U (en) | Double-magnetic-core inductor convenient to adjust | |
| CN209591774U (en) | Mixed type magnet controlled reactor | |
| CN102903494A (en) | Novel cross magnetization direct-current magnetism-assisting adjustable electric reactor | |
| CN209591745U (en) | The assembling iron core of high frequency transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |