CN101510696A - High-power waveform generator - Google Patents
High-power waveform generator Download PDFInfo
- Publication number
- CN101510696A CN101510696A CNA200910116453XA CN200910116453A CN101510696A CN 101510696 A CN101510696 A CN 101510696A CN A200910116453X A CNA200910116453X A CN A200910116453XA CN 200910116453 A CN200910116453 A CN 200910116453A CN 101510696 A CN101510696 A CN 101510696A
- Authority
- CN
- China
- Prior art keywords
- lead
- diode
- power
- dry
- series
- 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.)
- Granted
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The invention relates to a high-power waveform generator, which comprises two oil-immersed isolation transformers. Secondary windings of the oil-immersed isolation transformers are respectively connected to a dry-typed transformer; each dry-typed transformer has 26 secondary windings which are respectively connected to 26 power modules; 4 dry-typed transformers can be connected with 104 power modules respectively. The 104 power modules are connected with each other from head to tail and are output in series to obtain the highest output value of 145kV/100A. The waveform generator has simple principle and convenient installation and can completely satisfy the requirements of neutral beam heating power for EAST and can output various waveforms as required, thus filling the gap of high-power waveform generator with voltage of higher than 100kV and current of higher than 100A in China.
Description
Technical field
The present invention relates to electronic circuit field, especially a kind of high-power waveform generator.
Background technology
Because the needs of national big science engineering EAST neutral beam heating power supply require this power supply rated voltage 100kV, rated current 100A, and the rise time less than 20 microseconds, the turn-off time, the steady operation time was the longest 1000 seconds less than 10 microseconds.The present waveform generator that uses, most of power is less than 100W, and electric current is less than 10A, and voltage can not satisfy the needs of national big science engineering EAST neutral beam heating power supply far away less than 100V.Require output voltage to reach 100kV, the high-power waveform generator of electric current 100A is still blank at home.
Summary of the invention
The purpose of this invention is to provide a kind of high-power waveform generator, to solve the problem that present domestic waveform generator can't satisfy the needs of national big science engineering EAST neutral beam heating power supply.
In order to achieve the above object, the technical solution adopted in the present invention is:
High-power waveform generator, include two power distribution cabinets that identical voltage is provided, power distribution cabinet is connected with A, B, C three-phase voltage output lead, it is characterized in that: also include two identical oil-filled transformers, the A of described two power distribution cabinets, B, C three-phase voltage output lead is connected to the former limit of described two oil-filled transformers respectively, the secondary of described each oil-filled transformer has two, each secondary passes through A respectively, B, the C three-phase conducting wire is connected to the former limit of a dry-type transformer, the secondary of described each dry-type transformer has 26, pass through A respectively, B, the C three-phase conducting wire is connected to corresponding power module, described totally one hundred zero four power modules are each other by the lead formation series arm of connecting mutually, the two ends of described series arm have lead to draw respectively, and described signal is by the lead output at described series arm two ends;
Described power module comprises six diodes, after described six diodes are connected into three groups of series arms in twos, formation diode rectifier bridge parallel with one another again, after being in series with a vacuum contactor and fuse on A phase line on the secondary of described each dry-type transformer and the C phase line respectively, be connected to respectively again between two diodes of connecting mutually in two groups of series arms, B phase line on the secondary of described each dry-type transformer is connected directly in the 3rd group of series arm between two diodes of series connection mutually, also is connected in parallel to resistance respectively on the vacuum contactor that is connected on described A phase line and the B phase line; Be connected with electric capacity by lead between the anode tap of described diode rectifier bridge and the cathode terminal, also be connected in parallel to voltage sensor on the described electric capacity, also have lead to draw on the anode tap of described diode rectifier bridge, described drawing is divided into two-way after lead connects fuse, one the road is connected to the anode of a brilliant lock diode, the negative electrode of described brilliant lock diode is connected to the negative electrode of described diode rectifier bridge by lead, and another road is connected to the collector electrode of a switching circuit; Also be connected with a diode between the collector and emitter of described switching circuit, the collector electrode of described switching circuit connects with the negative electrode of described diode, transmitter connects with the anode of described diode, also have lead to draw on the emitter of described switching circuit, described drawing after lead is connected with inductance, be connected to the negative electrode of a diode again, after the anode of described diode is connected with current sensor by lead, be connected with the anode tap of described diode rectifier bridge again, also be connected in parallel to a voltage sensor on the described diode, also have lead to draw on two terminals of described voltage sensor, signal is exported by the lead of drawing of described voltage sensor; Also be connected in parallel to a branch road on the described inductance, described branch road comprises a diode and resistance of mutual series connection, and described diode cathode is connected between the emitter of described inductance and described switching circuit by lead.
Described high-power waveform generator is characterized in that: the extend-triangle structure is adopted on the former limit of described each oil-filled transformer, and two secondary windings are respectively star and delta connection.
The former limit of 2 oil-filled transformers is extend-triangle structures, and two secondary windings are respectively star and delta connection; The secondary winding that oil becomes links to each other with a dry type limit depressor respectively, every do change 26 secondary windings are all arranged, link to each other with 26 power modules so respectively, 4 dried changes can link to each other with 104 power modules respectively.The output of 104 power modules, joining end to end series connection output can obtain the output of the highest 145kV/100A like this.
Each power module internal structure is identical, the three-phase alternating current input is earlier by vacuum contactor S1, S2 with exchange fuse fuse1, fuse2, then by three-phase diode rectifier bridge B6U, the output of rectifier bridge links to each other with filter capacitor C1, simultaneously, the anode of rectifier bridge by DC fuse respectively with the anode of thyristor, the collector electrode of switching circuit links to each other, the negative electrode of diode links to each other, the emitter of switching circuit respectively with the anode of diode, the negative electrode of diode, inductance links to each other, the anode of diode links to each other with the negative electrode of inductance and diode respectively by resistance, and the anode of last diode links to each other with the negative electrode of thyristor and the negative electrode of diode rectifier bridge respectively.
The principle of the invention is simple, easy for installation, can satisfy the needs of national big science engineering EAST neutral beam heating power supply fully, can export various waveforms on request, filled up requiring output voltage to reach 100kV, the high-power waveform generator of electric current 100A blank at home.
Description of drawings
Fig. 1 is a circuit diagram of the present invention.
Fig. 2 is power module circuitry figure among the present invention.
Embodiment
High-power waveform generator, include two power distribution cabinets that identical voltage is provided, power distribution cabinet is connected with A, B, C three-phase voltage output lead, also include two identical oil-filled transformers, the A of described two power distribution cabinets, B, C three-phase voltage output lead is connected to the former limit of described two oil-filled transformers respectively, the secondary of described each oil-filled transformer has two, each secondary passes through A respectively, B, the C three-phase conducting wire is connected to the former limit of a dry-type transformer, the secondary of described each dry-type transformer has 26, pass through A respectively, B, the C three-phase conducting wire is connected to corresponding power module, described totally one hundred zero four power modules are each other by the lead formation series arm of connecting mutually, the two ends of described series arm have lead to draw respectively, and described signal is by the lead output at described series arm two ends;
Described power module comprises six diodes, after described six diodes are connected into three groups of series arms in twos, formation diode rectifier bridge parallel with one another again, after being in series with a vacuum contactor and fuse on A phase line on the secondary of described each dry-type transformer and the C phase line respectively, be connected to respectively again between two diodes of connecting mutually in two groups of series arms, B phase line on the secondary of described each dry-type transformer is connected directly in the 3rd group of series arm between two diodes of series connection mutually, also is connected in parallel to resistance respectively on the vacuum contactor that is connected on described A phase line and the B phase line; Be connected with electric capacity by lead between the anode tap of described diode rectifier bridge and the cathode terminal, also be connected in parallel to voltage sensor on the described electric capacity, also have lead to draw on the anode tap of described diode rectifier bridge, described drawing is divided into two-way after lead connects fuse, one the road is connected to the anode of a brilliant lock diode, the negative electrode of described brilliant lock diode is connected to the negative electrode of described diode rectifier bridge by lead, and another road is connected to the collector electrode of a switching circuit; Also be connected with a diode between the collector and emitter of described switching circuit, the collector electrode of described switching circuit connects with the negative electrode of described diode, transmitter connects with the anode of described diode, also have lead to draw on the emitter of described switching circuit, described drawing after lead is connected with inductance, be connected to the negative electrode of a diode again, after the anode of described diode is connected with current sensor by lead, be connected with the anode tap of described diode rectifier bridge again, also be connected in parallel to a voltage sensor on the described diode, also have lead to draw on two terminals of described voltage sensor, signal is exported by the lead of drawing of described voltage sensor; Also be connected in parallel to a branch road on the described inductance, described branch road comprises a diode and resistance of mutual series connection, and described diode cathode is connected between the emitter of described inductance and described switching circuit by lead.
The extend-triangle structure is adopted on the former limit of described each oil-filled transformer, and two secondary windings are respectively star and delta connection.
As Fig. 1, the secondary output of many secondary winding transformer forms not the direct voltage source module on ground altogether by diode rectification, these DC source module series connection, control the input and the excision of each module by the high-speed switching devices IGBT on each module (insulated-gate bipolar transistor), produce controlled high direct voltage output.K1, K2 are the 10kV power distribution cabinets among Fig. 1, control the inlet wire of two oil-filled transformers respectively.The former limit of 2 oil immersed type isolating transformers is extend-triangle structures, and two secondary windings are respectively star and delta connection; The change of separate unit oil can be exported 12 pulse wave rectifier voltages like this, and 2 series connection can be exported 24 pulse wave rectifier voltages.The structure of 4 dry-type transformers is identical, each iron core voltage to earth difference, and the secondary output in every the top of doing to become is 450Vac, other secondary output is 900Vac.4 dry-type transformers have 104 secondary windings, connect 104 power modules that structure is identical respectively.104 module series connection produce high voltage output.Control system is all got in touch by optical fiber and each power module.
Fig. 2 has provided the structure chart of power module, and power module is made up of two parts: major loop and control unit.Major loop comprises compositions such as soft starting circuit, current rectifying and wave filtering circuit, IGBT switching circuit, current-limiting circuit, crowbar protective circuit, diode continuousing flow circuit, fuse protected circuit and measuring circuit.Control circuit comprises IGBT control, logic state analysis and protection, carries out information exchange with master control.The low potential end short circuit of the shell of module and DC side output.Input adding soft starting circuit: S1, S2 in module are vacuum contactors, and R2, R3 are soft start resistance, and the A, the C that are connected on input respectively go up mutually, and B imports mutually with rectifier bridge and links to each other, and resistance R 2, R3 resistance are 1k Ω.Diode rectifier bridge B6U selects the ZP7 model of south, Zhuzhou car epoch product, and filter capacitor C1 parameter is; 1500V/3mF, IGBT selects the FF400R33KF2C model of EUPEC company, and inductance L is 100uH, diode D1, the model of D2 all is a DH40-18A type fast recovery diode, and fly-wheel diode considers to adopt the inverse parallel fast recovery diode of IGBT to replace, and the R resistance is 20 Ω.In order to prevent that IGBT refuses to turn-off when the load short circuits, module has increased the crowbar circuit, forces module to be output as zero, and this circuit is realized by thyristor SCR among Fig. 2, thyristor SCR rated voltage 3000V, electric current 400A.
Claims (2)
1, high-power waveform generator, include two power distribution cabinets that identical voltage is provided, power distribution cabinet is connected with A, B, C three-phase voltage output lead, it is characterized in that: also include two identical oil-filled transformers, the A of described two power distribution cabinets, B, C three-phase voltage output lead is connected to the former limit of described two oil-filled transformers respectively, the secondary of described each oil-filled transformer has two, each secondary passes through A respectively, B, the C three-phase conducting wire is connected to the former limit of a dry-type transformer, the secondary of described each dry-type transformer has 26, pass through A respectively, B, the C three-phase conducting wire is connected to corresponding power module, described totally one hundred zero four power modules are each other by the lead formation series arm of connecting mutually, the two ends of described series arm have lead to draw respectively, and described signal is by the lead output at described series arm two ends;
Described power module comprises six diodes, after described six diodes are connected into three groups of series arms in twos, formation diode rectifier bridge parallel with one another again, after being in series with a vacuum contactor and fuse on A phase line on the secondary of described each dry-type transformer and the C phase line respectively, be connected to respectively again between two diodes of connecting mutually in two groups of series arms, B phase line on the secondary of described each dry-type transformer is connected directly in the 3rd group of series arm between two diodes of series connection mutually, also is connected in parallel to resistance respectively on the vacuum contactor that is connected on described A phase line and the B phase line; Be connected with electric capacity by lead between the anode tap of described diode rectifier bridge and the cathode terminal, also be connected in parallel to voltage sensor on the described electric capacity, also have lead to draw on the anode tap of described diode rectifier bridge, described drawing is divided into two-way after lead connects fuse, one the road is connected to the anode of a brilliant lock diode, the negative electrode of described brilliant lock diode is connected to the negative electrode of described diode rectifier bridge by lead, and another road is connected to the collector electrode of a switching circuit; Also be connected with a diode between the collector and emitter of described switching circuit, the collector electrode of described switching circuit connects with the negative electrode of described diode, transmitter connects with the anode of described diode, also have lead to draw on the emitter of described switching circuit, described drawing after lead is connected with inductance, be connected to the negative electrode of a diode again, after the anode of described diode is connected with current sensor by lead, be connected with the anode tap of described diode rectifier bridge again, also be connected in parallel to a voltage sensor on the described diode, also have lead to draw on two terminals of described voltage sensor, signal is exported by the lead of drawing of described voltage sensor; Also be connected in parallel to a branch road on the described inductance, described branch road comprises a diode and resistance of mutual series connection, and described diode cathode is connected between the emitter of described inductance and described switching circuit by lead.
2, high-power waveform generator according to claim 1 is characterized in that: the extend-triangle structure is adopted on the former limit of described each oil-filled transformer, and two secondary windings are respectively star and delta connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910116453XA CN101510696B (en) | 2009-03-30 | 2009-03-30 | High-power waveform generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910116453XA CN101510696B (en) | 2009-03-30 | 2009-03-30 | High-power waveform generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101510696A true CN101510696A (en) | 2009-08-19 |
| CN101510696B CN101510696B (en) | 2011-04-06 |
Family
ID=41002988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910116453XA Expired - Fee Related CN101510696B (en) | 2009-03-30 | 2009-03-30 | High-power waveform generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101510696B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904913A (en) * | 2014-04-14 | 2014-07-02 | 荣信电力电子股份有限公司 | Multi-level flexible VSC-HVDC power module protection and bypass strategy |
| CN104199316A (en) * | 2014-06-24 | 2014-12-10 | 中国科学院等离子体物理研究所 | Neutral beam injector self-adaption experiment operation control configuration method |
| CN107888089A (en) * | 2017-11-07 | 2018-04-06 | 许继电源有限公司 | A kind of high-voltage DC power supply |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2317566B (en) * | 1996-09-27 | 2000-08-09 | Smiths Industries Plc | Electrosurgery apparatus |
| CN2368041Y (en) * | 1999-02-04 | 2000-03-08 | 清华大学 | Mixed wave-shape generator |
| CN1665112A (en) * | 2005-04-05 | 2005-09-07 | 刘福生 | Autocompensation and harmonic wave shielding converter transformer |
-
2009
- 2009-03-30 CN CN200910116453XA patent/CN101510696B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904913A (en) * | 2014-04-14 | 2014-07-02 | 荣信电力电子股份有限公司 | Multi-level flexible VSC-HVDC power module protection and bypass strategy |
| CN104199316A (en) * | 2014-06-24 | 2014-12-10 | 中国科学院等离子体物理研究所 | Neutral beam injector self-adaption experiment operation control configuration method |
| CN104199316B (en) * | 2014-06-24 | 2017-01-11 | 中国科学院等离子体物理研究所 | Neutral beam injector self-adaption experiment operation control configuration method |
| CN107888089A (en) * | 2017-11-07 | 2018-04-06 | 许继电源有限公司 | A kind of high-voltage DC power supply |
| CN107888089B (en) * | 2017-11-07 | 2020-03-06 | 许继电源有限公司 | High-voltage direct-current power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101510696B (en) | 2011-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101546964B (en) | Module combined multi-level converter | |
| CN103427657B (en) | A kind of high-voltage DC-DC conversion device | |
| CN107104600B (en) | Modular multilevel converter and electric power electric transformer | |
| CN201955408U (en) | Novel power unit tester for IGCT (Integrated Gate Commutated Thyristor) tri-level medium voltage transducer | |
| CN103236710A (en) | Unified power flow controller in modular structure | |
| CN102664546A (en) | Five-level current transformation topological structure with bi-directional power switch and applications thereof | |
| CN103427652A (en) | High-voltage high-power DC-DC conversion device | |
| CN103427653A (en) | High-voltage DC-DC conversion device | |
| CN202586797U (en) | Five-level variable-current topological structure with bidirectional power switches and application thereof | |
| CN106887957A (en) | A kind of hybrid distribution transformer of Multiple coil magnetic integrated-type | |
| CN105119511A (en) | MMC sub module circuit with DC-side fault blocking ability | |
| CN102904420A (en) | Multi-port current transformer | |
| CN103427658A (en) | High-voltage DC-DC conversion device based on multi-winding transformer | |
| CN201332271Y (en) | Electrified railway power compensator | |
| CN106411203A (en) | Magnetic control type time-division multiplexing integrated intelligent power distribution transformer | |
| CN101510696B (en) | High-power waveform generator | |
| CN103441676A (en) | Modularized device for conversion between high-voltage direct current and direct current | |
| CN102355038A (en) | High voltage direct current charger | |
| CN101577428B (en) | Single-phase module combined active power filter for tractive power supply | |
| Khalid et al. | Experimental validation of off‐board EV charging station with reduced active switch count | |
| CN202276177U (en) | High voltage direct current charger | |
| CN110707699B (en) | Modular multi-level hybrid distribution transformer | |
| CN102130609B (en) | Method for realizing insulation coordination of basic functional units of voltage source converter (VSC) based on half bridge circuit | |
| CN112751496B (en) | Current transformer | |
| CN102084585B (en) | Arrangement for voltage conversion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20120330 |