WO2013097298A1 - 用于控制脉冲输出的设备和方法 - Google Patents
用于控制脉冲输出的设备和方法 Download PDFInfo
- Publication number
- WO2013097298A1 WO2013097298A1 PCT/CN2012/001752 CN2012001752W WO2013097298A1 WO 2013097298 A1 WO2013097298 A1 WO 2013097298A1 CN 2012001752 W CN2012001752 W CN 2012001752W WO 2013097298 A1 WO2013097298 A1 WO 2013097298A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulse
- power supply
- modulated power
- output
- discharge
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 17
- 230000003111 delayed effect Effects 0.000 claims abstract description 3
- 238000009499 grossing Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 6
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
Definitions
- the present invention relates generally to pulse output control, and more particularly to pulse output leading edge control.
- the present invention relates to controlling the output pulse leading edge on a solid state pulse modulated power supply based on the MARX generator principle.
- the MARX generator is a way to realize a pulse-modulated power supply, and is a device that utilizes a capacitor and charges in series and then discharges in series.
- the MARX generator achieves narrow pulses in the nanosecond range and very high pulse frequencies.
- Solid-state pulse-modulated power supplies are power supplies that are pulse-modulated with solid-state switches, such as IGBTs (Insulated Gate Bipolar Transistors).
- IGBTs Insulated Gate Bipolar Transistors
- FIG. 1 is a schematic diagram of the pulse current waveform when the pulse leading edge slope meets the requirements.
- Figure 2 is a schematic diagram of the pulse current waveform when the pulse front is too steep. The figure shows that there is a significant top drop at the top of the pulse.
- Figure 3 is a waveform diagram of the pulse current when the pulse front is too slow. The figure shows that there is a significant rise in the top of the pulse.
- the slope of the pulse leading edge that can maintain the top of the pulse current waveform also changes. The larger the amplitude, the steeper the slope of the leading edge required.
- the currently common solution is to connect an inductor in series with the output of the pulse power supply.
- the inductance of the 5 inductor can be adjusted to match the impedance.
- the disadvantages of this method are: When the pulse current amplitude needs to be adjusted frequently, adjusting the inductance can be a very tedious task; especially for solid-state pulse-modulated power supplies used in dual-energy accelerator products, because the pulse current amplitude is per If the pulse periods alternate, the method of adjusting the inductance cannot be implemented in these products.
- the present invention provides an apparatus and method for controlling pulse output by sequentially delaying a trigger signal.
- a pulse modulation power supply comprising: a plurality of discharge modules connected in series during discharge; a plurality of flip-flops corresponding to the plurality of discharge modules, wherein each of the triggers is a corresponding discharge
- the module provides a trigger signal to turn on the corresponding discharge module; the control logic module is configured to control the trigger signal to sequentially turn on the plurality of discharge modules; and the output terminal is configured to output a voltage.
- a method of controlling a pulse output in a pulse modulated power supply comprising a plurality of discharge modules connected in series during discharge, the method comprising the steps of: providing to the plurality of discharge modules And sequentially delaying the trigger signals to sequentially turn on the plurality of discharge modules; and outputting the discharge voltage.
- the present invention seeks to obtain a good pulse output waveform by adjusting the turn-on delay time of each IGBT module on a solid-state pulse-modulated power supply based on the MARX generator principle.
- the amplitude of the pulse current can be adjusted without connecting an inductor in series with the output end of the pulse power source, so that the output pulse front edge and the pulse top unevenness can be conveniently controlled and adjusted to better adapt to such as magnetron control.
- the load of the tube can be adjusted without connecting an inductor in series with the output end of the pulse power source, so that the output pulse front edge and the pulse top unevenness can be conveniently controlled and adjusted to better adapt to such as magnetron control.
- Figure 1 is a schematic diagram of the pulse current waveform when the pulse front slope satisfies the requirements
- Figure 2 is a schematic diagram of the pulse current waveform when the pulse front is too steep
- Figure 6 is a timing diagram showing the operation of the solid-state pulse-modulated power supply trigger and pulse output without leading edge control
- FIG. 7 shows the solid-state pulse-modulated power supply trigger and pulse output with leading edge control logic added. Schematic diagram of the work.
- Figure 8 is a detailed view of the pulse front of Figure 7. detailed description
- FIG. 4 shows the current schematic diagram of the conventional solid-state pulse-modulated power supply based on MARX generator.
- PS is a high-power DC stabilized power supply, which is a power supply for solid-state pulse-modulated power supply, and the power supply voltage is Vin.
- Ml ⁇ Mm are m IGBT module units.
- Trig(l) ⁇ Trig(m) is the trigger signal corresponding to the IGBT module group.
- Vout is the output voltage of a solid-state pulse-modulated power supply.
- PS passes the charging inductor L and the diode is the IGBT module.
- the capacitor C in the cell is charged to form an array of capacitors connected in parallel, and the voltage on capacitor C is held at Vin until the next trigger.
- each IGBT module is turned on, and the capacitor C on the module forms a series discharge circuit through each IGBT module unit.
- FIG. 5 is a schematic diagram of a solid state pulse modulated power supply based on a MARX generator in accordance with one embodiment of the present invention.
- the solid-state pulse-modulated power supply shown in FIG. 5 is, for example, a typical MARX generator-based solid-state pulse-modulated power supply as shown in FIG. 4, in which m flip-flops 1 ... flip-flop n, flip-flop n+ 1 ... trigger The m provides a trigger signal for the solid-state pulse-modulated power supply Trig( l )... Trig(n), Tng(n+ 1)... Tng(m) 0 Trigger 1 ⁇ Trigger m is controlled by the control 5 logic module.
- the control logic module controls the trigger signals Tng(l) ⁇ Tig(m) generated by the flip-flops l ⁇ m to sequentially turn on the m IGBT module units in the solid-state pulse-modulated power supply.
- each IGBT module unit M1 ⁇ Mm in the solid-state pulse modulation power supply based on the MARX generator receives the trigger signals Trig(l) ⁇ 0 Trig(m) which are sequentially delayed and sequentially delays the conduction.
- a stepped output front Vout is generated at the output of the solid state pulse modulated power supply.
- a smooth output Vout' can be obtained at the magnetron load terminal (not shown).
- the control logic module controls the flip-flop 1 ⁇ the trigger m, so that the flip-flop 1 ⁇ the trigger m respectively output the undelayed Trig(l), ...
- the control logic module can control the magnitude of each of the delay times ⁇ tl ⁇ At(ml) to obtain a pulse leading edge slope that meets specific requirements.
- the control logic module increases the delay time Atl ⁇ ⁇ t (ml) so that the pulse leading edge of the pulse output with the reduced slope is obtained.
- the control logic module reduces the delay time Atl ⁇ At(ml) so that the pulse front of the pulse output with the increased slope is obtained.
- Fig. 5 illustrates an example of a solid state pulse modulation power supply in accordance with the present invention
- various changes can be made to Fig. 5.
- the MARX generator-based solid-state pulse modulation power supply shown in Figure 5 is only one way to implement a pulse-modulated power supply.
- the present invention can be applied to any solid state pulse modulated power supply in series discharge.
- the solid state switches in solid state pulse modulated power supplies are not limited to IGBT (Insulated Gate Bipolar Transistor) type solid state switches, but can be any device and device suitable for discharge modules connected in series during discharge.
- IGBT Insulated Gate Bipolar Transistor
- the present invention can be used not only to adjust the pulse leading edge slope in the solid-state pulse modulation power supply based on the MARX generator, but also to eliminate the pulse top unevenness in the solid-state pulse modulation power supply of any series discharge. The problem.
- Figure 6 is a timing diagram of the operation of the solid-state pulse-modulated power supply trigger and pulse output without leading edge control. In this mode of operation, there is no delay between the trigger signals Trig(l) ⁇ Trig(m), and each IGBT module is triggered simultaneously and turned on at the same time. The output voltage rise time is only related to the IGBT module parameters and output circuit parameters.
- Figure 7 is a schematic diagram showing the operation timing of the solid-state pulse-modulated power supply trigger and pulse output with the leading edge control logic added.
- Figure 8 is a detailed diagram of the pulse front of Figure 7.
- the trigger signals Tng(n+l)...Tng(m) of each IGBT module are turned on at different times, but are sequentially turned on, which will generate a ladder at the output end of the power supply.
- the Vout of the output front of the shape through the filtering of the current transmission network, can obtain a smooth output Vout' at the load of the magnetron.
- the delay time ⁇ tl ⁇ ⁇ t(m - 1 ) of each IGBT trigger By adjusting the delay time ⁇ tl ⁇ ⁇ t(m - 1 ) of each IGBT trigger, the leading edge slope of Vout' can be changed.
- the apparatus and method for controlling pulse output by sequentially delaying a trigger signal are avoided by the present invention, thereby avoiding the series inductance at the output end of the pulse power source, thereby avoiding The problem caused by series inductance.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Plasma Technology (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014549299A JP5951042B2 (ja) | 2011-12-31 | 2012-12-28 | パルス出力を制御するためのデバイス及び方法 |
KR1020147018779A KR101650315B1 (ko) | 2011-12-31 | 2012-12-28 | 펄스 출력 제어용 설비 및 방법 |
EP12862173.7A EP2800273B1 (en) | 2011-12-31 | 2012-12-28 | Device and method for use in controlling pulse output |
PL12862173T PL2800273T3 (pl) | 2011-12-31 | 2012-12-28 | Urządzenie i sposób stosowane przy sterowaniu impulsowym sygnałem wyjściowym |
US14/008,921 US10340783B2 (en) | 2011-12-31 | 2012-12-28 | Apparatus and method for controlling pulse output |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110457646.9A CN102545846B (zh) | 2011-12-31 | 2011-12-31 | 用于控制脉冲输出的设备和方法 |
CN201110457646.9 | 2011-12-31 |
Publications (1)
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WO2013097298A1 true WO2013097298A1 (zh) | 2013-07-04 |
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Family Applications (1)
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PCT/CN2012/001752 WO2013097298A1 (zh) | 2011-12-31 | 2012-12-28 | 用于控制脉冲输出的设备和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10340783B2 (zh) |
EP (1) | EP2800273B1 (zh) |
JP (1) | JP5951042B2 (zh) |
KR (1) | KR101650315B1 (zh) |
CN (1) | CN102545846B (zh) |
PL (1) | PL2800273T3 (zh) |
WO (1) | WO2013097298A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110289832A (zh) * | 2019-06-28 | 2019-09-27 | 四川英杰电气股份有限公司 | 一种固态调制器 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102545687A (zh) * | 2011-12-31 | 2012-07-04 | 同方威视技术股份有限公司 | 用于电压交替脉冲输出的设备和方法 |
CN102545846B (zh) | 2011-12-31 | 2015-11-25 | 同方威视技术股份有限公司 | 用于控制脉冲输出的设备和方法 |
DE102012207930A1 (de) * | 2012-05-11 | 2013-11-14 | Siemens Aktiengesellschaft | Verfahren zum Betreiben eines Geräts zum Erzeugen einer Mikrowellenstrahlung |
CN102882493B (zh) * | 2012-09-27 | 2016-05-25 | 上海交通大学 | 一种连续高重频高压脉冲源 |
CN105759680A (zh) * | 2016-01-27 | 2016-07-13 | 云南电网有限责任公司电力科学研究院 | 全固态纳秒级脉冲发生器控制方法及系统 |
CN106936330B (zh) * | 2017-04-27 | 2023-10-03 | 成都光大电力电子研究所 | 一种低成本大功率长脉冲高顶平的高压脉冲电源 |
KR102141684B1 (ko) | 2018-08-24 | 2020-09-14 | 한국원자력연구원 | 전류 펄스를 제어하는 모듈레이터 및 그 방법 |
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CN102545846A (zh) * | 2011-12-31 | 2012-07-04 | 同方威视技术股份有限公司 | 用于控制脉冲输出的设备和方法 |
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2011
- 2011-12-31 CN CN201110457646.9A patent/CN102545846B/zh active Active
-
2012
- 2012-12-28 US US14/008,921 patent/US10340783B2/en active Active
- 2012-12-28 PL PL12862173T patent/PL2800273T3/pl unknown
- 2012-12-28 EP EP12862173.7A patent/EP2800273B1/en active Active
- 2012-12-28 KR KR1020147018779A patent/KR101650315B1/ko active IP Right Grant
- 2012-12-28 JP JP2014549299A patent/JP5951042B2/ja active Active
- 2012-12-28 WO PCT/CN2012/001752 patent/WO2013097298A1/zh active Application Filing
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110289832A (zh) * | 2019-06-28 | 2019-09-27 | 四川英杰电气股份有限公司 | 一种固态调制器 |
CN110289832B (zh) * | 2019-06-28 | 2023-06-02 | 四川英杰电气股份有限公司 | 一种固态调制器 |
Also Published As
Publication number | Publication date |
---|---|
JP5951042B2 (ja) | 2016-07-13 |
EP2800273A1 (en) | 2014-11-05 |
EP2800273A4 (en) | 2015-10-28 |
JP2015505236A (ja) | 2015-02-16 |
US10340783B2 (en) | 2019-07-02 |
CN102545846B (zh) | 2015-11-25 |
KR20140127212A (ko) | 2014-11-03 |
CN102545846A (zh) | 2012-07-04 |
US20140320105A1 (en) | 2014-10-30 |
PL2800273T3 (pl) | 2020-01-31 |
EP2800273B1 (en) | 2019-08-07 |
KR101650315B1 (ko) | 2016-08-24 |
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