CN203368302U - Power unit of high-voltage frequency converter - Google Patents
Power unit of high-voltage frequency converter Download PDFInfo
- Publication number
- CN203368302U CN203368302U CN 201320470531 CN201320470531U CN203368302U CN 203368302 U CN203368302 U CN 203368302U CN 201320470531 CN201320470531 CN 201320470531 CN 201320470531 U CN201320470531 U CN 201320470531U CN 203368302 U CN203368302 U CN 203368302U
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- Prior art keywords
- copper bar
- power unit
- radiator
- assembly
- capacitor
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Abstract
The utility model discloses a power unit of a high-voltage frequency converter. The power unit comprises a case, a radiator assembly, a capacitor assembly, an electric connection assembly and a high-speed fuse. The radiator assembly comprises a radiator, insulated gate bipolar transistors, a rectifier bridge, a wind shield and non-inductive capacitors, wherein the insulated gate bipolar transistors, the rectifier bridge and the non-inductive capacitors are mounted on the back side of the radiator, the radiator is in bolted connection with the case through the wind shield, the capacitor assembly comprises a capacitor bottom box, an insulating assembly and capacitor groups, the insulating assembly and the capacitor groups are arranged inside the capacitor bottom box, the insulating assembly comprises an upper insulating plate, a middle insulating plate, a lower insulating plate and supporting insulating columns, the capacitor groups are arranged on the middle insulating plate in a staggered manner, the electric connection assembly comprises a positive copper bar, a negative copper bar and short circuit copper bars, and the positive copper bar, the negative copper bar and the short circuit copper bars connect the capacitor groups, the insulated gate bipolar transistors, the rectifier bridge, the non-inductive capacitors and the high-speed fuse through series connection and parallel connection methods. The power unit is reasonable in structure and convenient to assemble, the overall case can shield outside interference, overhaul and maintenance are convenient, the capacitors are located in optimal installation positions, expandability is strong, circuit distributed inductance is reduced, and safe and reliable operation of equipment is ensured.
Description
Technical field
The utility model relates to a kind of high voltage transducer power unit.
Background technology
Frequency converter plays a part very important in the industry-by-industry energy-saving and emission-reduction, and cascaded high-voltage frequency converter makes the electric pressure of frequency converter be greatly improved, and the application of frequency converter is further expanded.Power cell, as cascaded high-voltage frequency converter inside one vitals, plays a part crucial in high voltage converter.The power device layout difference of power cell may cause the loop of power circuit difference, the volume of power cell varies in size, easily assembled degree difference, the at present design of power cell at loop of power circuit, volume, assemble these three aspect difference little, but the stable work in work of power cell, there are problem in various degree in extensibility, radiating effect, maintenance aspect.
Summary of the invention
The purpose of this utility model is to provide a kind of high voltage transducer power unit.
The purpose of this utility model is achieved through the following technical solutions:
High voltage transducer power unit of the present utility model, comprise cabinet, heat sink assembly, capacitance component, electrical connection module and fast acting fuse.Heat sink assembly comprises radiator, insulated gate bipolar transistor, rectifier bridge, deep bead and noninductive electric capacity, insulated gate bipolar transistor, rectifier bridge and noninductive electric capacity are arranged on the radiator back side, radiator is connected with the cabinet bolt by deep bead, capacitance component comprises box at the bottom of electric capacity, insulation assembly and capacitance group, insulation assembly and capacitance group are located at the bottom of electric capacity in box, insulation assembly comprises upper insulation plate, middle insulation board, lower insulation plate and supports insulative post, capacitance group is staggered on middle insulation board, electrical connection module comprises positive copper bar, negative copper bar and short circuit copper bar, positive copper bar, negative copper bar and short circuit copper bar are by string, the mode that is connected in parallel is capacitance group, insulated gate bipolar transistor, rectifier bridge, noninductive electric capacity and fast acting fuse couple together.
The technical scheme provided by above-mentioned the utility model can be found out, high voltage transducer power unit described in the utility model, rational in infrastructure, easy to assembly, all-in-onecase maskable external interference, repair and maintenance is convenient, and electric capacity is in best position, extensibility is strong, has reduced the circuit distributed inductance, has effectively guaranteed the safe and reliable operation of equipment.
The accompanying drawing explanation
Fig. 1 is the high voltage transducer power unit structural representation;
Fig. 2 is that heat sink assembly separates schematic diagram;
Fig. 3 is heat sink assembly installation schematic diagram;
Fig. 4 is the capacitance component schematic diagram.
Embodiment
High voltage transducer power unit of the present utility model, its preferably embodiment as shown in Figure 1, Figure 2, Figure 3, Figure 4, high voltage transducer power unit comprises cabinet 1, heat sink assembly 2, capacitance component 3, electrical connection module 4 and fast acting fuse 5.
High voltage transducer power unit of the present utility model has following innovative point:
Be provided with one deck high pressure resistant insulation paper between the positive copper bar of high voltage transducer power unit, negative copper bar and short circuit copper bar, effectively guaranteed the effective insulation between copper bar;
The positive copper bar of high voltage transducer power unit, negative copper bar and short circuit copper bar have lap, have reduced the circuit distributed inductance, have effectively guaranteed the safe and reliable operation of high voltage transducer power unit;
The fast acting fuse of high voltage transducer power unit is located at the cabinet outside, and repair and maintenance is convenient.
the beneficial effects of the utility model
Rational in infrastructure;
Easy to assembly, all-in-onecase maskable external interference, repair and maintenance is convenient;
Electric capacity is in best position, and extensibility is strong, has reduced the circuit distributed inductance, has effectively guaranteed the safe and reliable operation of equipment.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. a high voltage transducer power unit, is characterized in that, described high voltage transducer power unit comprises cabinet, heat sink assembly, capacitance component, electrical connection module and fast acting fuse, described heat sink assembly comprises radiator, insulated gate bipolar transistor, rectifier bridge, deep bead and noninductive electric capacity, described insulated gate bipolar transistor, described rectifier bridge and described noninductive electric capacity are arranged on the described radiator back side, and described radiator is connected with described cabinet bolt by described deep bead, and described capacitance component comprises box at the bottom of electric capacity, insulation assembly and capacitance group, described insulation assembly and described capacitance group are located at the bottom of described electric capacity in box, and described insulation assembly comprises upper insulation plate, middle insulation board, lower insulation plate and supports insulative post, described capacitance group is staggered on described middle insulation board, and described electrical connection module comprises positive copper bar, negative copper bar and short circuit copper bar, described positive copper bar, described negative copper bar and described short circuit copper bar are by string, the mode that is connected in parallel is described capacitance group, described insulated gate bipolar transistor, described rectifier bridge, described noninductive electric capacity and described fast acting fuse couple together.
2. high voltage transducer power unit according to claim 1, is characterized in that, between described positive copper bar, described negative copper bar and described short circuit copper bar, is provided with one deck high pressure resistant insulation paper.
3. high voltage transducer power unit according to claim 1, is characterized in that, described positive copper bar, described negative copper bar and described short circuit copper bar have lap.
4. high voltage transducer power unit according to claim 1, is characterized in that, described fast acting fuse is located at the outside of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320470531 CN203368302U (en) | 2013-08-05 | 2013-08-05 | Power unit of high-voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320470531 CN203368302U (en) | 2013-08-05 | 2013-08-05 | Power unit of high-voltage frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203368302U true CN203368302U (en) | 2013-12-25 |
Family
ID=49816018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320470531 Expired - Lifetime CN203368302U (en) | 2013-08-05 | 2013-08-05 | Power unit of high-voltage frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203368302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635386A (en) * | 2017-08-08 | 2018-01-26 | 芜湖市凯鑫避雷器有限责任公司 | A kind of High-Voltage Electrical Appliances insulating mask arrangement |
-
2013
- 2013-08-05 CN CN 201320470531 patent/CN203368302U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635386A (en) * | 2017-08-08 | 2018-01-26 | 芜湖市凯鑫避雷器有限责任公司 | A kind of High-Voltage Electrical Appliances insulating mask arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |