CN204068743U - A kind of high-power intermediate frequency power supply device - Google Patents
A kind of high-power intermediate frequency power supply device Download PDFInfo
- Publication number
- CN204068743U CN204068743U CN201420521945.3U CN201420521945U CN204068743U CN 204068743 U CN204068743 U CN 204068743U CN 201420521945 U CN201420521945 U CN 201420521945U CN 204068743 U CN204068743 U CN 204068743U
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- circuit
- intermediate frequency
- rectification
- phase
- boosting
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Abstract
The utility model discloses a kind of high-power intermediate frequency power supply device, comprise the three-phase reactor, three phase full bridge controlled rectification circuit, filter capacitor, medium frequency inverter way circuit, the intermediate frequency boosting total transformer of rectification and the capacitance resistance load that are linked in sequence; Described three phase full bridge controlled rectification circuit is controlled by three-phase phase shifting voltage regulator control circuit; Described medium frequency inverter way circuit controls drive circuit by IGBT and controls, drives.Medium frequency inverter way circuit is composed in parallel by two-way medium frequency inverter element circuit, the total transformer of intermediate frequency boosting rectification is made up of two groups of intermediate frequencies boosting rectification unit transformer series, each intermediate frequency boosting rectification unit primary is made up of two coils from parallel connection of coils, and the utility model solves equipment needs big current, high-tension problem.
Description
Technical field
The utility model relates to a kind of supply unit, specifically a kind of high-power intermediate frequency power supply device.
Background technology
Along with the fast development of industry, traditional power frequency supply power mode can not meet current power reguirements.Traditional power frequency is powered, and art dynamic response is slow, high-pressure side output voltage ripple is large, efficiency is low, energy consumption is large, power factor (PF) is little, grid side harmonic pollution is serious, electrical network electricity consumption is uneven, the shortcomings of this supply power mode determine its gradually can replace by novel supply power mode.Along with the development of power technology, the high pressure intermediate frequency power supply based on IGBT emerges, and it can improve above-mentioned shortcoming well, improves power-efficient, increasing power factor.Transformer output voltage based on this kind of power supply is higher, capacity is larger.
Summary of the invention
The purpose of this utility model is to provide a kind of high-power intermediate frequency power supply device, the medium frequency inverter way circuit of this device is composed in parallel by two-way medium frequency inverter element circuit, the total transformer of intermediate frequency boosting rectification is made up of two groups of intermediate frequencies boosting rectification unit transformer series, each intermediate frequency boosting rectification unit primary is made up of two coils from parallel connection of coils, and the equipment of solving needs big current, high-tension problem.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high-power intermediate frequency power supply device, is characterized in that: this device comprises the three-phase reactor, three phase full bridge controlled rectification circuit, filter capacitor, medium frequency inverter way circuit, the intermediate frequency boosting total transformer of rectification and the capacitance resistance load that are linked in sequence; Described three phase full bridge controlled rectification circuit is controlled by three-phase phase shifting voltage regulator control circuit; Described medium frequency inverter way circuit controls drive circuit by IGBT and controls, drives.
In the utility model, by the frequency of the switch adjustable circuit of IGBT in control circuit.Medium frequency inverter way circuit is composed in parallel by two-way medium frequency inverter element circuit.The total transformer of intermediate frequency boosting rectification is made up of two groups of intermediate frequencies boosting rectification unit transformer series.The elementary composition two coils from parallel connection of coils of intermediate frequency boosting rectification unit transformer.
In the utility model, three-phase 380V alternating current is after three-phase reactor, direct current is transformed into again through three phase full bridge controlled rectification circuit, filter capacitor, then frequency is become by DC inverter to be the alternating current of 200HZ-600HZ by medium frequency inverter way circuit, become high voltage direct current through the total transformer of intermediate frequency boosting rectification again, be finally connected to capacitance resistance load.Medium frequency inverter way circuit of the present utility model is composed in parallel by two-way medium frequency inverter element circuit, the total transformer of intermediate frequency boosting rectification is made up of two groups of intermediate frequencies boosting rectification unit transformer series, each intermediate frequency boosting rectification unit primary is made up of two coils from parallel connection of coils, big current, high voltage can be provided, meet equipment needs.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present utility model.
Embodiment
A kind of high-power intermediate frequency power supply device, is shown in Fig. 1, and this device comprises three-phase reactor 1, three phase full bridge controlled rectification circuit 2, filter capacitor 3, medium frequency inverter way circuit 4, the intermediate frequency boosting total transformer 5 of rectification and capacitance resistance load 6.Three phase full bridge controlled rectification circuit is controlled by three-phase phase shifting voltage regulator control circuit 9.Medium frequency inverter way circuit controls drive circuit 10 by IGBT and controls, drives, by the frequency of the switch adjustable circuit of IGBT in control circuit.Medium frequency inverter way circuit is composed in parallel by two-way medium frequency inverter element circuit 7.The total transformer of intermediate frequency boosting rectification is composed in series by two groups of intermediate frequencies boosting rectification unit transformers 8.The elementary composition two coils from parallel connection of coils of intermediate frequency boosting rectification unit transformer.
Three-phase 380V alternating current is after three-phase reactor, direct current is transformed into again through three phase full bridge controlled rectification circuit, filter capacitor, then frequency is become by DC inverter to be the alternating current of 200HZ-600HZ by medium frequency inverter way circuit, high voltage direct current is become again through the total transformer of intermediate frequency boosting rectification, finally be connected to capacitance resistance load, the equipment of solving needs big current, high-tension problem.
Claims (4)
1. a high-power intermediate frequency power supply device, is characterized in that: this device comprises the three-phase reactor (1), three phase full bridge controlled rectification circuit (2), filter capacitor (3), medium frequency inverter way circuit (4), the intermediate frequency boosting total transformer of rectification (5) and the capacitance resistance load (6) that are linked in sequence; Described three phase full bridge controlled rectification circuit (2) is controlled by three-phase phase shifting voltage regulator control circuit (9); Described medium frequency inverter way circuit (4) controls drive circuit (10) by IGBT and controls, drives.
2. high-power intermediate frequency power supply device according to claim 1, is characterized in that: described medium frequency inverter way circuit (4) is composed in parallel by two-way medium frequency inverter element circuit (7).
3. high-power intermediate frequency power supply device according to claim 1, is characterized in that: the described intermediate frequency boosting total transformer of rectification (5) is composed in series by two groups of intermediate frequencies boosting rectification unit transformer (8).
4. high-power intermediate frequency power supply device according to claim 3, is characterized in that: the elementary composition two coils from parallel connection of coils of described intermediate frequency boosting rectification unit transformer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521945.3U CN204068743U (en) | 2014-09-12 | 2014-09-12 | A kind of high-power intermediate frequency power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521945.3U CN204068743U (en) | 2014-09-12 | 2014-09-12 | A kind of high-power intermediate frequency power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068743U true CN204068743U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420521945.3U Expired - Fee Related CN204068743U (en) | 2014-09-12 | 2014-09-12 | A kind of high-power intermediate frequency power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167944A (en) * | 2014-09-12 | 2014-11-26 | 江苏容天机电科技有限公司 | High-power medium-frequency power supply device |
-
2014
- 2014-09-12 CN CN201420521945.3U patent/CN204068743U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167944A (en) * | 2014-09-12 | 2014-11-26 | 江苏容天机电科技有限公司 | High-power medium-frequency power supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160912 |