CN201118445Y - DC high-voltage generator - Google Patents
DC high-voltage generator Download PDFInfo
- Publication number
- CN201118445Y CN201118445Y CNU2007200450282U CN200720045028U CN201118445Y CN 201118445 Y CN201118445 Y CN 201118445Y CN U2007200450282 U CNU2007200450282 U CN U2007200450282U CN 200720045028 U CN200720045028 U CN 200720045028U CN 201118445 Y CN201118445 Y CN 201118445Y
- Authority
- CN
- China
- Prior art keywords
- voltage
- controller
- protector
- utility
- display
- 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
Images
Landscapes
- Ac-Ac Conversion (AREA)
- Rectifiers (AREA)
Abstract
A DC high-voltage generator relates to an electric power testing equipment, particularly a tributary high-voltage generator, comprising a rectifier filter, a PWM pulse width modulator, an IGBT inverter, an intermediate frequency transformer, a voltage multiplying rectifier and a display which are all connected in sequence; a signal sampler, a controller and a protector are arranged between the output end of the voltage multiplying rectifier and the display; the controller is arranged between the signal sampler and the controller; the protector is arranged between the signal sampler and the IGBT inverter. The utility model adopts the PWM pulse width modulation technology and high-power IGBT devices so as to achieve low pulsating coefficient and big power; the intermediate frequency voltage multiplying circuit is used to achieve stable output without the interference from power grid voltage fluctuations and can be precisely regulated to reach a required voltage value. At the same time, the generator of the utility model is also provided with a control unit and a protection unit to ensure the security of the test equipment and the test samples.
Description
Technical field
The utility model relates to a kind of electric power and relates in particular to a kind of tributary high pressure generator with testing equipment.
Background technology
High voltage direct current generator is power department, enterprise's a kind of testing equipment commonly used, it is widely used in lightning arrester, power cable, generator, transformer and switchgear etc. and carries out DC high potential test, but the high voltage direct current generator that uses exists ripple factor height, unstable, the not high defective of reliability of output now, can not well satisfy and use needs.
The utility model content
The utility model is at above-mentioned defective, and purpose is to provide a kind of output stable, reliable high voltage direct current generator.
The technical solution of the utility model is: the utility model comprises rectifier filter, PWM pulse width modulator, IGBT inverter, intermediate frequency transformer, voltage-doubler rectifier and the display that connects successively; be provided with sample of signal device, controller and protector between the output of voltage-doubler rectifier and the display; controller is arranged between sample of signal device and the controller, and protector is arranged between sample of signal device and the IGBT inverter.
The utility model adopts PWM pulse modulation technology and high-power IGBT device; ripple factor is low; power is big; adopt the intermediate frequency voltage-multiplying circuit; can make output stable, not be subjected to the interference of voltage ripple of power network, can accurately be adjusted to the required voltage value; the utility model also is provided with control unit and protected location simultaneously, the safety of energy assurance equipment and test product.
Description of drawings
Accompanying drawing is the fundamental diagram of utility model
Embodiment
The utility model comprises rectifier filter, PWM pulse width modulator, IGBT inverter, intermediate frequency transformer, voltage-doubler rectifier and the display that connects successively; be provided with sample of signal device, controller and protector between the output of voltage-doubler rectifier and the display; controller is arranged between sample of signal device and the controller, and protector is arranged between sample of signal device and the IGBT inverter.
Claims (1)
1, high voltage direct current generator; it is characterized in that; it comprises rectifier filter, PWM pulse width modulator, IGBT inverter, intermediate frequency transformer, voltage-doubler rectifier and the display that connects successively; be provided with sample of signal device, controller and protector between the output of voltage-doubler rectifier and the display; controller is arranged between sample of signal device and the controller, and protector is arranged between sample of signal device and the IGBT inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200450282U CN201118445Y (en) | 2007-11-02 | 2007-11-02 | DC high-voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200450282U CN201118445Y (en) | 2007-11-02 | 2007-11-02 | DC high-voltage generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118445Y true CN201118445Y (en) | 2008-09-17 |
Family
ID=39993038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200450282U Expired - Fee Related CN201118445Y (en) | 2007-11-02 | 2007-11-02 | DC high-voltage generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118445Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299629A (en) * | 2011-09-01 | 2011-12-28 | 东华理工大学 | Power supply control method and power supply device for direct-current high-voltage power supply |
| CN102957406A (en) * | 2011-08-17 | 2013-03-06 | 上海普锐马电子有限公司 | High- voltage high-frequency impulse electronic switch capable of achieving quick on-off |
| CN103454558A (en) * | 2013-08-30 | 2013-12-18 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Method and device for detecting voltage fluctuation failures of double-pole direct-current transmission system |
| CN105182017A (en) * | 2015-09-23 | 2015-12-23 | 中国人民解放军理工大学 | 2000V voltage generating high voltage generation circuit system used for detecting SPD |
-
2007
- 2007-11-02 CN CNU2007200450282U patent/CN201118445Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957406A (en) * | 2011-08-17 | 2013-03-06 | 上海普锐马电子有限公司 | High- voltage high-frequency impulse electronic switch capable of achieving quick on-off |
| CN102299629A (en) * | 2011-09-01 | 2011-12-28 | 东华理工大学 | Power supply control method and power supply device for direct-current high-voltage power supply |
| CN103454558A (en) * | 2013-08-30 | 2013-12-18 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Method and device for detecting voltage fluctuation failures of double-pole direct-current transmission system |
| CN103454558B (en) * | 2013-08-30 | 2016-02-24 | 中国南方电网有限责任公司超高压输电公司天生桥局 | A kind of bipolar direct current transmission system voltage fluctuation fault detection method and device |
| CN105182017A (en) * | 2015-09-23 | 2015-12-23 | 中国人民解放军理工大学 | 2000V voltage generating high voltage generation circuit system used for detecting SPD |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203313081U (en) | Intelligent DC high voltage generator | |
| CN203025311U (en) | Gas discharge tube direct current breakdown voltage measuring device | |
| CN202550906U (en) | DC (Direct Current) high voltage generator | |
| CN201118445Y (en) | DC high-voltage generator | |
| CN203872071U (en) | Power circuit | |
| CN105049010B (en) | A kind of IGBT current foldback circuit and its method | |
| CN210403623U (en) | Electric energy metering circuit of circuit breaker | |
| CN204465480U (en) | The special control circuit of a kind of lightning current C component | |
| CN202472321U (en) | High-frequency high-power pulse laser power supply | |
| CN210690657U (en) | Power grid simulation power supply device based on harmonic generator | |
| CN204244076U (en) | Ultra-wide input voltage DC-DC power source | |
| CN201611803U (en) | Inductive power taking device of high-voltage cable current transformer | |
| CN208421092U (en) | One kind being used for the pulse current coupling network of ± 800kV extra-high voltage direct-current system valve module | |
| CN206977324U (en) | Power circuit for low-voltage circuit breaker | |
| CN201796081U (en) | Operating cycles counter for over voltage protector | |
| CN204537574U (en) | A kind of three-phase zinc oxide lightning arrester dry run device | |
| CN206481056U (en) | Switch cubicle harmonic shutter with multiple terminals monitoring device | |
| CN204144633U (en) | Detachable electrical short device | |
| CN204666747U (en) | Impulse voltage test instrument | |
| CN205388629U (en) | Active power filter is from net test platform | |
| CN204167875U (en) | A kind of testing circuit being exclusively used in electromagnetic stirring system electric leakage | |
| CN220457113U (en) | Reverse irrigation prevention protection device of variable frequency power supply | |
| CN210898902U (en) | Electric power safety intelligence electrical power generating system | |
| CN203482104U (en) | Inverter | |
| CN203984302U (en) | Two PWM frequency-variable controllers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yangzhou HuanDian Electric Co., Ltd. Assignor: Bi Qingchun Contract record no.: 2010320000325 Denomination of utility model: High-voltage DC generator Granted publication date: 20080917 License type: Exclusive License Record date: 20100401 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20131102 |