CN204886722U - Parallel high voltage direct current genera tor - Google Patents
Parallel high voltage direct current genera tor Download PDFInfo
- Publication number
- CN204886722U CN204886722U CN201520521480.6U CN201520521480U CN204886722U CN 204886722 U CN204886722 U CN 204886722U CN 201520521480 U CN201520521480 U CN 201520521480U CN 204886722 U CN204886722 U CN 204886722U
- Authority
- CN
- China
- Prior art keywords
- direct current
- high voltage
- voltage
- utility
- parallel
- 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.)
- Expired - Fee Related
Links
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model relates to a parallel high voltage direct current genera tor contains the high voltage direct current genera tor who is provided with many parallel branch, every prop up and be provided with direct current voltage -multiplying unit and current equalizer on the road, every prop up and still be provided with the switch on the road, but make every branch road independent utility or parallelly connected the use, the during operation is sent into each branch road direct current voltage -multiplying unit by frequency conversion control case output square signal and is produced the direct current high voltage, and the subdividing is measured through divider output a going on high pressure after do not passing through corresponding current equalizer, and the direct current who wherein exports is the electric current sum that each parallel branch went up direct current voltage -multiplying unit, the utility model discloses can adopt single or parallelly connected a plurality of direct current voltage -multiplying units according to output current's needs to satisfy the experimental condition of high voltage DC, and ability effective control ripple coefficient improves test efficiency, the messenger system is more reliable and more stable.
Description
Technical field
The utility model relates to high-tension measurement field, refers in particular to a kind of parallel high voltage direct current generator.
Background technology
Current high voltage direct current generator adopts frequency-variable controller to export single cover direct current height generator to by rectifying and wave-filtering, PWM pressure regulation power filter, IGBT bridge type inverse etc. to carry out high-tension measurement through voltage divider more substantially, but electric current is less when high voltage test, ripple coefficient is larger, and power output is limited, and current high voltage direct current generator all only has a direct current voltage doubling unit, by the restriction particularly intermediate frequency transformer core structure size restrictions of device material, the high direct voltage that can not meet peace times level electric current exports, therefore the mode adopting power frequency voltage multiplying rectifier is needed, but this mode exists bulky and ripple coefficient that is High voltage output is large, be unfavorable for the shortcomings such as field test, for this reason, we have developed a kind of parallel high voltage direct current generator, can according to output current need adopt single or in parallel multiple direct current voltage doubling unit, thus meet the condition of DC high potential test, and effectively can control ripple coefficient, improve test efficiency, make system more reliable and more stable.
Utility model content
The utility model object provides a kind of parallel high voltage direct current generator to overcome the deficiencies in the prior art, can according to output current need adopt single or in parallel multiple direct current voltage doubling unit, thus meet the condition of DC high potential test, and effectively can control ripple coefficient, improve test efficiency, make system more reliable and more stable.
For achieving the above object, the technical solution adopted in the utility model is: a kind of parallel high voltage direct current generator, comprises the high voltage direct current generator being provided with many parallel branches; Branch road described in every bar is provided with direct current voltage doubling unit and current equalizer.
Preferably, branch road described in every bar is provided with switch, every bar branch road can be independently used or use in parallel.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Parallel high voltage direct current generator described in the utility model can according to output current need adopt single or in parallel multiple direct current voltage doubling unit, thus meet the condition of DC high potential test, and effectively can control ripple coefficient, improve test efficiency, make system more reliable and more stable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the fundamental diagram of parallel high voltage direct current generator described in the utility model;
Accompanying drawing 2 is variable frequency control case port schematic diagram in parallel high voltage direct current generator described in the utility model;
Accompanying drawing 3 is the operating diagram of parallel high voltage direct current generator described in the utility model;
Wherein: 1, variable frequency control case; 11, ac input end; 12, frequency conversion output; 13, high-tension measurement end; 2, direct current voltage doubling unit; 3, current equalizer; 4, voltage divider.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing 1 is parallel high voltage direct current generator described in the utility model, comprises the high voltage direct current generator being provided with many parallel branches; Branch road described in every bar is provided with direct current voltage doubling unit and current equalizer; Branch road described in every bar is also provided with switch, every bar branch road can be independently used or use in parallel; During work, export square-wave signal by variable frequency control case and send into each branch road direct current voltage doubling unit generation DC high voltage, high-tension measurement is carried out again respectively through being exported by a voltage divider after corresponding current equalizer, the direct current wherein exported is the electric current sum of direct current voltage doubling unit in each parallel branch, solves the problem that cannot export large peace times electric current; And the current equalizer on branch road described in every bar can reduce the error of output voltage.
During use: as Figure 2-3, multiple described direct current voltage doubling unit 2 is connected generation test high voltage respectively with the frequency conversion output 13 of variable frequency control case 1, be connected to same one end of voltage divider 4 again respectively by current equalizer 3 simultaneously, high voltage standard value can be measured by voltage divider.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Parallel high voltage direct current generator described in the utility model can according to output current need adopt single or in parallel multiple direct current voltage doubling unit, thus meet the condition of DC high potential test, and effectively can control ripple coefficient, improve test efficiency, make system more reliable and more stable.
Below be only embody rule example of the present utility model, protection range of the present utility model is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within the utility model rights protection scope.
Claims (2)
1. a parallel high voltage direct current generator, is characterized in that: comprise the high voltage direct current generator being provided with many parallel branches; Branch road described in every bar is provided with direct current voltage doubling unit and current equalizer.
2. parallel high voltage direct current generator according to claim 1, is characterized in that: branch road described in every bar is provided with switch, every bar branch road can independently be used or use in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520521480.6U CN204886722U (en) | 2015-07-17 | 2015-07-17 | Parallel high voltage direct current genera tor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520521480.6U CN204886722U (en) | 2015-07-17 | 2015-07-17 | Parallel high voltage direct current genera tor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204886722U true CN204886722U (en) | 2015-12-16 |
Family
ID=54831042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520521480.6U Expired - Fee Related CN204886722U (en) | 2015-07-17 | 2015-07-17 | Parallel high voltage direct current genera tor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204886722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071669A (en) * | 2015-07-17 | 2015-11-18 | 苏州华电电气股份有限公司 | Parallel DC high voltage generator |
-
2015
- 2015-07-17 CN CN201520521480.6U patent/CN204886722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071669A (en) * | 2015-07-17 | 2015-11-18 | 苏州华电电气股份有限公司 | Parallel DC high voltage generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103973094B (en) | A kind of quick pre-charging electricity circuit of modular multi-level converter | |
| CN102891621A (en) | Single-phase asymmetric multilevel inverter | |
| CN204231239U (en) | Oil well micro-capacitance sensor rectification skid-mounted device and intelligent cluster control system | |
| CN103795323A (en) | High-voltage frequency-conversion speed-regulation system and control method thereof | |
| CN203722484U (en) | 1750-V/3300-V dual-voltage three-level mining explosion-proof frequency conversion device | |
| CN204886722U (en) | Parallel high voltage direct current genera tor | |
| CN203911558U (en) | Off-board conductive direct-current electric vehicle charger having APF function | |
| CN201656783U (en) | Adjustable high-voltage power supply for main converter cabinet routine test station in locomotive | |
| CN105071669A (en) | Parallel DC high voltage generator | |
| CN203839974U (en) | High-voltage tripolar direct-current power transmission system | |
| CN204720986U (en) | The compound circuit of a kind of integrated rectification, active power filtering and energy back braking function | |
| CN203522193U (en) | A Voltage Stabilizing System for Parallel Operation of Asynchronous Generator Sets | |
| CN202978749U (en) | High-voltage motor mutual-driving device adopting common direct current bus | |
| CN202888947U (en) | AC\DC dual power source switch-free device | |
| CN203377598U (en) | Intelligent load balancing apparatus | |
| CN202565186U (en) | VSC transverter made of IGBT | |
| CN207053428U (en) | 220V threephase asynchronous private energy-saving apparatus | |
| CN205490203U (en) | 24 pulse wave rectification control system | |
| CN203135453U (en) | Self-commutation reactive power compensator based on current source converter | |
| CN203826987U (en) | Energy feedback frequency converter of building elevator | |
| CN205693571U (en) | A single-phase multi-function multiplexing power electronic load | |
| CN204732881U (en) | The compensation arrangement that a kind of quality of power supply is energy-conservation | |
| CN204928124U (en) | A distribution network terminal with power compensation | |
| CN203850848U (en) | A centralized energy storage device for grid-connected wind farms based on supercapacitors | |
| CN203299743U (en) | Computer power supply |
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: 20151216 Termination date: 20180717 |