CN108400717A - A kind of fast-response magnet power supply based on high power up amps - Google Patents
A kind of fast-response magnet power supply based on high power up amps Download PDFInfo
- Publication number
- CN108400717A CN108400717A CN201810459748.6A CN201810459748A CN108400717A CN 108400717 A CN108400717 A CN 108400717A CN 201810459748 A CN201810459748 A CN 201810459748A CN 108400717 A CN108400717 A CN 108400717A
- Authority
- CN
- China
- Prior art keywords
- power
- amps
- power supply
- conversion modules
- fast
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 7
- 239000008358 core component Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0012—Control circuits using digital or numerical techniques
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Particle Accelerators (AREA)
Abstract
The invention discloses a kind of fast-response magnet power supply based on high power up amps, including power conversion modules and control module two parts.Power conversion modules are using high power up amps instead of conventional BUCK converters, control module part is only needed to provide high-precision, low drifting a bipolarity digital analog converter (DAC), by configuring DAC, it is set to generate input signal of the analog output signal appropriate as power conversion modules, high power up amps are supplied to, to realize that the output to power conversion modules controls.The present invention uses high power up amps, and the input and output response delay of power conversion modules is very short, can reach Microsecond grade；And the program uses amplifier power supply pattern, without the High-Accuracy PWM signal that digital signal processing chip generates, effectively raises the small-signal response bandwidth of power supply, simplifies system structure.
Description
Technical field
The present invention relates to the technical fields of fast-response magnet power supply, are specifically used for the quick school in accelerator beam position
The design scheme of linear magnet power supply in positive system.
Background technology
The determination and adjustment of beam position are most important to the operation of entire accelerator.The correction of beam position relies on correction
Magnet, thus correcting magnet power supply must have frequency response quickly, and the small-signal response bandwidth of power supply is generally required to reach
1kHz, otherwise in beam position offset variation, can not quickly follow up adjustment, can be had adverse effect on to the quality of line.
The existing Power Management Design method applied to accelerator beam position correcting magnet is mainly directly driven out using program calculating
The control mode of powered-down source PWM waveform output realizes the feedback control of power supply, and the speed of response of switching device is difficult to meet fast school
Positive requirement of the magnet power supply to small-signal response bandwidth.
In the research and practice process to the method, the inventors found that：With regard to the fast correcting magnet in beam position
For power supply, the most key index is the small-signal response bandwidth of power supply, and the output power of power supply generally only has several hectowatts,
Without switching device.Therefore the pattern of power amplifier may be used completely, improve input and output response, simplied system structure.
Invention content
The invention discloses a kind of fast-response magnet power supply based on high power up amps, disclosure satisfy that accelerator beam
Flow the demand for the quick response that fast correcting magnet proposes power-supply system.
The technical solution adopted by the present invention is as follows：A kind of fast-response magnet power supply based on high power up amps, packet
The control module and power conversion modules of the magnet power supply containing fast-response, power conversion modules include high power up amps, are adopted
Use high power up amps as the core component of power conversion modules, for providing the electric current needed for magnet load, control
Module is equipped with local and remote Peripheral Interface and self-defined expansion I/O, is used for and top level control system and power conversion mould
The communication of block changes the input of high power up amps by the bipolarity digital analog converter in configuration control module
Value, to realize output control and the quick response of power conversion modules.
Wherein, control module uses STM32 chips as core cell.
Wherein, control module controls the output of bipolarity digital analog converter by the SPI interface of core cell.
Wherein, the Ethernet interface of control module and real-time ethernet communication protocol drive part use independent STM32
Chip is realized.
The advantages of the present invention over the prior art are that：
Present invention employs the quick response outputs that high-power amplifier realizes power supply, are not necessarily to the High-Accuracy PWM of dsp chip
Pattern reduces the complexity of system design and program control that conventional BUCK converters banding comes, effectively raises electricity
The small-signal response bandwidth in source.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of fast-response magnet power supply structural schematic diagram based on high power up amps of the present invention；
Fig. 2 is system framework of the embodiment of the present invention；
Fig. 3 is power amplifier board schematic diagram used in the embodiment of the present invention；
Fig. 4 is institute of embodiment of the present invention frequency measurement sound, delay oscillogram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, power conversion modules substitute conventional BUCK converters using high power up amps, pass through number
Regulation controller part provides high-precision, low drifting a bipolarity digital analog converter (DAC), is controlled by core
Chip configures DAC parameters, it is made to generate input signal of the analog output signal appropriate as power conversion modules, is supplied to big
Power operational amplifier, to realize that the output to power conversion modules controls.Optionally STM32 chips is used to substitute DSP cores
Piece, the SPI interface and DAC carried by chip communicate；The Ethernet interface further provided using digitial controller
It realizes remote control and communication, is preferably integrated into entire accelerator control system.
The embodiment of the present invention provides a kind of fast-response magnet power supply and testing scheme based on high power up amps, energy
It is enough to realize that the frame of system is as shown in Figure 2 to the output control and frequency response of fast-response power supply, delay test.Control strategy is adopted
With the double-closed-loop control of electric current and voltage.Component where double-core arm processor is the control module of fast-response magnet power supply, main
It is responsible for the related algorithm with the communication of top level control system and Digital Signal Processing.220V alternating currents are as incoming transport
Electricity first passes through filtering and bipolarity regulator circuit, is then provided for high power up amps before ingoing power conversion module
Power supply.The core of power conversion modules is high power up amps, and the output of amplifier and then inputs real-time change, and input relies on
The DAC of control module is adjusted.In order to realize PID control, needs to sample load current, be adopted using 24 ADC
Collect the electric current by current sensor, while voltage is sampled using 16 ADC again, realizes the control plan of two close cycles
Slightly.
Core using the STM32 double-core digital adjustment and control device modules of autonomous Design as whole system, including communication,
It calculates, the function including data acquisition is all responsible for completion by it；It is to transmit and receive 8 frame structures to configure SPI, by sending three times
24 data give bipolarity DAC-AD5761R, configuration DAC to export analog signal；We coordinate number using signal generator simultaneously
The square wave input that regulation device generation amplitude is 2V, frequency is 50k Hz is to power conversion modules；What power conversion modules used
It is power amplifier, schematic diagram is used as shown in figure 3, driving parts of the prime amplifier 2N5551 and 2N5401 as intermediate amplifier
In the intermediate amplifier of promotion；The intermediate amplifier driving part as rear class large power amplifier 2SC5200 and SA1943 again realizes three-level
Power amplification.The signal of power conversion modules and the output signal of power conversion modules finally are inputed to oscillograph acquisition,
The oscillogram of frequency response and delay is obtained as shown in figure 4, wherein signal 1 is output signal, signal 2 is input signal, input and output
Response time is about 1.5 μ s, fully meets the demand of fast calibration power supply.
A kind of fast-response magnet power supply based on high power up amps is provided for the embodiments of the invention above to set
Meter method, is described in detail, and principle and implementation of the present invention are described for specific case used herein,
The explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention；Meanwhile for the one of this field
As technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the content of the present specification should not be construed as limiting the invention.
Claims (4)
1. a kind of fast-response magnet power supply based on high power up amps, it is characterised in that：Including fast-response magnet power supply
Control module and power conversion modules, power conversion modules include high power up amps, using high-power operation amplifier
Core component of the device as power conversion modules, for providing the electric current needed for magnet load, control module is equipped with local and remote
Journey Peripheral Interface and self-defined expansion I/O pass through and configure for the communication with top level control system and power conversion modules
Bipolarity digital analog converter in control module changes the input value of high power up amps, to realizing that power becomes
Change the mold output control and the quick response of block.
2. a kind of fast-response magnet power supply based on high power up amps according to claim 1, it is characterised in that：
Control module is using STM32 chips as core cell.
3. a kind of fast-response magnet power supply based on high power up amps according to claim 1, it is characterised in that：
Control module controls the output of bipolarity digital analog converter by the SPI interface of core cell.
4. a kind of fast-response magnet power supply based on high power up amps according to claim 1, it is characterised in that：
The Ethernet interface and real-time ethernet communication protocol drive part of control module are realized using independent STM32 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459748.6A CN108400717A (en) | 2018-05-15 | 2018-05-15 | A kind of fast-response magnet power supply based on high power up amps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459748.6A CN108400717A (en) | 2018-05-15 | 2018-05-15 | A kind of fast-response magnet power supply based on high power up amps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108400717A true CN108400717A (en) | 2018-08-14 |
Family
ID=63102226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810459748.6A Pending CN108400717A (en) | 2018-05-15 | 2018-05-15 | A kind of fast-response magnet power supply based on high power up amps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108400717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955185A (en) * | 2019-12-11 | 2020-04-03 | 中国科学院合肥物质科学研究院 | Superconducting switch heater power supply based on operational amplifier |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3965434A (en) * | 1972-12-01 | 1976-06-22 | Shm Nuclear Corporation | Automatic frequency control system for driving a linear accelerator |
| JPH0514203A (en) * | 1991-07-02 | 1993-01-22 | Mitsubishi Electric Corp | Digital/analog conversion circuit |
| TW200816606A (en) * | 2006-09-28 | 2008-04-01 | Nat Applied Res Laboratories | The radio frequency power modulating device and the modulating method thereof |
| CN102751924A (en) * | 2012-06-15 | 2012-10-24 | 北京航空航天大学 | Linear power driving controller based on large-power operational amplifier for three-phase alternating current motor |
| CN104038078A (en) * | 2014-06-25 | 2014-09-10 | 中国科学院上海应用物理研究所 | Scanning power source for generating exciting currents similar to triangular waves |
| CN106547299A (en) * | 2016-10-09 | 2017-03-29 | 河北汉光重工有限责任公司 | A kind of high precision closed loop reference power source |
| CN208174556U (en) * | 2018-05-15 | 2018-11-30 | 中国科学技术大学 | A kind of fast-response magnet power supply based on high power up amps |
-
2018
- 2018-05-15 CN CN201810459748.6A patent/CN108400717A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3965434A (en) * | 1972-12-01 | 1976-06-22 | Shm Nuclear Corporation | Automatic frequency control system for driving a linear accelerator |
| JPH0514203A (en) * | 1991-07-02 | 1993-01-22 | Mitsubishi Electric Corp | Digital/analog conversion circuit |
| TW200816606A (en) * | 2006-09-28 | 2008-04-01 | Nat Applied Res Laboratories | The radio frequency power modulating device and the modulating method thereof |
| CN102751924A (en) * | 2012-06-15 | 2012-10-24 | 北京航空航天大学 | Linear power driving controller based on large-power operational amplifier for three-phase alternating current motor |
| CN104038078A (en) * | 2014-06-25 | 2014-09-10 | 中国科学院上海应用物理研究所 | Scanning power source for generating exciting currents similar to triangular waves |
| CN106547299A (en) * | 2016-10-09 | 2017-03-29 | 河北汉光重工有限责任公司 | A kind of high precision closed loop reference power source |
| CN208174556U (en) * | 2018-05-15 | 2018-11-30 | 中国科学技术大学 | A kind of fast-response magnet power supply based on high power up amps |
Non-Patent Citations (2)
| Title |
|---|
| 代天立: "基于大功率运算放大器的快响应磁铁电源", 中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑, no. 1, 15 January 2018 (2018-01-15), pages 25 * |
| 周长庚;邱瑞;柯建林;: "一种高频高压正弦波负反馈***", 核电子学与探测技术, no. 02, 20 February 2013 (2013-02-20), pages 49 - 52 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955185A (en) * | 2019-12-11 | 2020-04-03 | 中国科学院合肥物质科学研究院 | Superconducting switch heater power supply based on operational amplifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101149425B (en) | Electronic electric energy meter debugging, checkout automated system | |
| CN107480348B (en) | Power interface circuit and digital-analog hybrid simulation system | |
| CN208174556U (en) | A kind of fast-response magnet power supply based on high power up amps | |
| CN204928653U (en) | Take independent control function's intelligent power cabinet | |
| CN108400717A (en) | A kind of fast-response magnet power supply based on high power up amps | |
| CN107529270A (en) | The microwave driving source with self-fixed amplitude technique of high energy accelerator for electron therapy | |
| CN110442177A (en) | A kind of power control system | |
| CN101800484A (en) | Pulse accuracy control circuit for pulse power supply | |
| CN108551327A (en) | Photovoltaic plant efficiency parameters detecting system | |
| CN106816889A (en) | Combining inverter power decoupled method and device | |
| CN206099804U (en) | Switch steady voltage source system based on UC3843 | |
| CN102540907B (en) | Parallel digital and analog integrated simulation interface and physical simulation subsystem interface | |
| CN201926947U (en) | Duty ratio adjustable current source based on singlechip control | |
| CN108566090A (en) | A kind of two-way bipolarity dcdc converter of low-voltage direct | |
| CN207305029U (en) | The microwave driving source with self-fixed amplitude technique of high energy accelerator for electron therapy | |
| CN209248382U (en) | A kind of modulated current feedback circuit of large-power broadband | |
| CN203552107U (en) | Three-phase alternating current program-controlled signal source | |
| CN208955669U (en) | A kind of active three-phase imbalance automatic control system | |
| CN202421928U (en) | Control circuit and control device of backlight power supply | |
| CN205489521U (en) | Power current -sharing control ware that connects in parallel based on STM8 | |
| CN207691689U (en) | Solution for high-performance photovoltaic frequency converter | |
| CN105515432A (en) | Method for deadbeat control of photovoltaic grid-connected inverter | |
| CN205490222U (en) | Inverter is incorporated into power networks based on digifax combines | |
| CN204068753U (en) | A kind of three-phase inverter | |
| CN219957694U (en) | Voltage sag process simulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |