CN106300989A - High direct voltage high frequency switch power that the variable modulated waveform forward position of a kind of gamut is variable and control method thereof - Google Patents
High direct voltage high frequency switch power that the variable modulated waveform forward position of a kind of gamut is variable and control method thereof Download PDFInfo
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- CN106300989A CN106300989A CN201610801996.5A CN201610801996A CN106300989A CN 106300989 A CN106300989 A CN 106300989A CN 201610801996 A CN201610801996 A CN 201610801996A CN 106300989 A CN106300989 A CN 106300989A
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Classifications
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- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33561—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having more than one ouput with independent control
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
Abstract
The invention discloses the variable high direct voltage high frequency switch power in a kind of variable range modulated waveform forward position and control method thereof, this high direct voltage high frequency switch power includes three-phase alternating current current rectifying and wave filtering circuit, full bridge inverter, high-frequency isolation transformer, AC DC module, first microprocessor, drive circuit, PSM power control system and signal isolation sample circuit；Three-phase alternating-current supply connects full bridge inverter through three phase rectifier filter circuit, full bridge inverter is connected to the primary of 59 identical high-frequency isolation transformer, the output of each high-frequency isolation transformer connects each AC DC module, AC DC module comprises for controlling the DC voltage field effect transistor whether superposition series connection exports, and PSM power control system connects 59 AC DC modules of control by 59 optical fiber；High direct voltage high frequency switch power that the variable modulated waveform forward position of gamut of the present invention is variable and control method thereof have that Control of Voltage precision is high, volume is little, power density is big, easy to maintenance, can various modes output, the advantage such as waveform leading edge time is adjustable, controllable property is strong.
Description
Technical field
The present invention relates to high direct voltage high frequency switch power field, before particularly relating to a kind of variable modulated waveform of gamut
Along variable high direct voltage high frequency switch power and control method thereof.
Background technology
Produce in some occasions, such as microwave, Insulation test, gas discharge application etc., need high voltage power supply output voltage energy
Scalable, output modulated, stable on a large scale.
For reaching these requirements, the most relevant device has two kinds of methods.First method is by whole Power Management Design
Become two parts: prime high voltage power supply platform and manipulator；Prime high voltage power supply uses thyristor alternating-current pressure regulation, transformer boost
And diode rectification scheme.Manipulator uses vacuum tetrode, is operated in magnifying state, changes grid voltage and changes output electricity
Pressure and waveform leading edge time；Or utilize NPN and PNP transistor to constitute single supply mutual symmetry power amplifier module, and tie
Close equalizer circuit, allow multiple module be sequentially connected in series design manipulator, use the error that given voltage and feedback voltage are formed
The each module of isolation drive after voltage amplification, thus reach to change the purpose of output voltage.Second method is to use Multiple coil work
Frequency power transformer, after rectified filtering, through entirely controlling solid switch device, and utilizes pulse step control technology (Pulse step
Modulation, PSM), it is achieved multimode series-fed technology.
But, making the equipment designed in aforementioned manners, the weak point existed is: whole device volume is big, power density
Low or simulation controls, it is impossible to realize full-digital control, and modulating frequency is less than 1kHz；Multiple coil Industrial Frequency Transformer, insulating process
Require high, cost height.Advantage is that multimode series-fed technology is low to the coherence request of switching device.
Summary of the invention
The purpose that the present invention is to be realized is: provide one to have Control of Voltage precision is high, volume is little, power density is big,
Easy to maintenance, various modes can modulate output, total digitalization manipulation, the direct current of the advantages such as output waveform leading edge time adjustable is high
Voltage source.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: use high frequency switch power inversion transformation technique
The high direct voltage high frequency switch power that the design variable modulated waveform forward position of a kind of gamut is variable is combined with PSM technology, including
Three-phase alternating-current supply, current rectifying and wave filtering circuit, full bridge inverter, high-frequency isolation transformer, AC-DC module (SM), first micro-place
Reason device (DSP1), PSM power control system, output voltage Acquisition Circuit and output current collection circuit；
It is characterized in that: three-phase alternating-current supply output connects current rectifying and wave filtering circuit, and current rectifying and wave filtering circuit connects full bridge inverter,
Output two ends (A end, the B end) output of full bridge inverter is connected to the primary of 59 identical high-frequency isolation transformer, each height
Frequently the secondary output of isolating transformer connects each AC-DC module (SM), and AC-DC module (SM) comprises field effect transistor, optical fiber receives
Circuit, for receiving the optical control signal that the second microprocessor (DSP2) sends, whether superposition series connection exports to control DC voltage,
Rectifying and wave-filtering DC voltage feedback link first microprocessor (DSP1) of first AC-DC module (SM1), first microprocessor
(DSP1) gather this DC voltage control prime full-bridge inverter and realize the pressure-keeping functions of 59 AC-DC module；PSM power supply control
System processed includes the second microprocessor (DSP2), optical fiber, ethernet module, router etc., and the second microprocessor (DSP2) passes through
59 optical fiber control to connect 59 AC-DC module (SM), and the external serial ports of the second microprocessor (DSP2) is sequentially connected with Ethernet
Module, router and upper PC.
As the variable high direct voltage high frequency switch power in the variable modulated waveform forward position of above-mentioned gamut furtherly
Bright, the field effect transistor conducting in described front 58 AC-DC module is controlled by optical fiber (S1-S58) isolation with turning off；Described 59th
Current rectifying and wave filtering circuit in level AC-DC module (SM59) is used behind Buck reduction voltage circuit, and directly by the second microprocessor
(DSP2) output high-frequency PWM signal is controlled it by optical fiber.
As the variable high direct voltage high frequency switch power in the variable modulated waveform forward position of above-mentioned gamut furtherly
Bright, in order to Guarantee control system can carry out quick failure response, PSM power control system controls fault in being also associated with remotely
Detecting system, data collecting system and communication system, middle control fault detection system passes through optical fiber to the second microprocessor
(DSP2) carrying out switching value monitoring, data collecting system carries out data acquisition to input and output voltage, electric current, and communication system is also
Data communication is carried out with numerous signals such as control states in touch screen, load system.
As the variable high direct voltage high frequency switch power in the variable modulated waveform forward position of above-mentioned gamut furtherly
Bright, due to the I/O port limited amount of the second microprocessor (DSP2), and want delays time to control between each IO, it is impossible to by 59 IO
Mouth the most directly controls 59 modules, and optimized, front 30 modules are divided into three groups, often 10 modules of group, respectively by 3 I/O ports
Controlling, the 31st grade of module is independently controlled by 29 IO respectively to the 59th module, and 59 modules control the most only to need 32 IO
Mouthful.
As the variable high direct voltage high frequency switch power in the variable modulated waveform forward position of above-mentioned gamut furtherly
Bright, described first microprocessor (DSP1) and the second microprocessor (DSP2) all use chip TMS 320 F 2812 as master control, its
In, first microprocessor (DSP1) controls prime full-bridge inverter and realizes constant voltage and the monitoring of input direct-current bus DC voltage, the
Two microprocessors (DSP2) realize the function such as the stable of total output voltage of 59 modules of rear class and modulation output.
As the variable high direct voltage high frequency switch power in the variable modulated waveform forward position of above-mentioned gamut furtherly
Bright, its control method is: 1) six magnitudes of voltage are put into control output voltage array Voltage [6], as reference voltage, six
Individual level time is put into output time array Time [6] controlling current level, when in local control or remotely controlling, logical
Cross and change these 12 numerical value and just can change the waveform of current output voltage；2) output voltage through divider resistance carry out dividing potential drop it
After, compare with reference voltage (taking out from array Voltage [6]), the error voltage produced relatively afterwards and each mould
The reference voltage (present invention takes 600V) of block is divided by, and carries out remainder and take business's computing, and quotient determines the distribution side of output module
Formula, then opens corresponding module；Remainder is for determining to control the dutycycle of the pwm signal of the 59th module (SM59).
As the variable high direct voltage high frequency switch power control method in the variable modulated waveform forward position of above-mentioned gamut
Further illustrate, in order to meet the fast response time of system, by setting up output module and time control table and I/O port
Between relation, inquire about the control time output valve of current DSP2 port, thus control the conducting of corresponding module and turn off；In reality
32 pins used in TMS320F2812 chip in these four ports of Port A, B, E, F in the application of border, wherein the 59th mould
Block uses a PWM pin in PORTA.
As the variable high direct voltage high frequency switch power control method in the variable modulated waveform forward position of above-mentioned gamut
Optimize explanation further, due to each module of PSM power supply band carry with without load state under rapid conversion, according to conventional successive control
System, can produce the biggest during adjacent switching between ten modules and the module that 9 independent I/O ports control that same I/O port controls
Spike.This pulse spike is highly detrimental to the stable of whole power-supply system and electromagnetic compatibility；In order to change this situation,
Use Optimal Control Strategy is: as output voltage V0 ＜ 12kV, opens corresponding module in 31-50 level；As 12kV ＜ V0 ＜
During 18kV, open 1-10 level module, and corresponding module in 31-50 level；As 18kV ＜ V0 ＜ 24kV, open 1-20 level, and
Corresponding module in 31-50 level；As output voltage 24kv ＜ V0, open corresponding module (its in 1-30 level, and 31-59 level
Middle V0 is output voltage).
As the variable high direct voltage high frequency switch power control method in the variable modulated waveform forward position of above-mentioned gamut
Optimizing explanation further, output voltage waveforms can have Three models: single pulse mode, multi-pulse modulation pattern and six level are pre-
Put pattern.Single pulse mode refers to export a pulse, and time span is any；Multi-pulse modulation pattern refer to output duty cycle 0-1 it
Between and the changeable modulation waveform of frequency, the modulating frequency of this project is not less than 10kHz.Six level prepatterns refer to a ripple
The cycle of shape is divided into six stages, and time and the voltage swing in different stages easily set, and time span does not limits.
Operation principle: the high direct voltage HF switch electricity that the variable modulated waveform forward position of gamut of the present invention is variable
Source, during work, three-phase alternating current is through current rectifying and wave filtering circuit rectifying and wave-filtering, then becomes frequency about tens through full bridge inverter
The high-frequency ac voltage of kHz, amplitude about 540V, this high-frequency ac voltage is become to 59 identical high frequencies by the output of A, B point-to-point transmission
The primary of depressor, obtains DC voltage after boosted, rectifying and wave-filtering, i.e. 59 primary parallel connections, their secondary warp
After AC-DC module (SM), the field effect transistor in each module whether superposition series connection exports to control DC voltage.
Due to 59 modules all as, so the output voltage of each module all by feedback first module (SM1) whole
Flowing filtered DC voltage (Vdc) and realize voltage close loop stably, each module voltage is stable at 600V.In front 58 modules
Field effect transistor conducting controls with turning off, and is controlled by optical fiber (S1-S58) isolation；If corresponding module receives optical signal, should
Module is just added on total output voltage with regard to output voltage, changes such that it is able to realize the integral multiple amplitude that output voltage is 600V
Becoming and modulation output, now in module, parallel diode below is in blocking state；If corresponding module is not received by
Fiber-optic signal, diode current flow being in is connected in output loop.The module of diverse location be in due to modulation unloaded and
Conversion between band load state, there is the change of spiking problems and amplitude ahead of the curve in the voltage actually exported, in order to solve this
Individual problem, on the 59th grade of module (SM59), rectifying and wave-filtering is used behind Buck reduction voltage circuit, directly by the second microprocessor
(DSP2) output high-frequency PWM signal is controlled it by optical fiber, and the output voltage of this module can be adjustable between 0 to 600V,
Meet the output voltage degree of regulation Con trolling index less than 100V.
Beneficial effect: the high direct voltage HF switch electricity that the variable modulated waveform forward position of gamut of the present invention is variable
Source and control method thereof have the advantage that Control of Voltage precision is high, volume property little, easy to maintenance, controllable is strong, meanwhile, exportable
Single pulse mode, multi-pulse modulation pattern and six level prepatterns.
Accompanying drawing explanation
Fig. 1 is the overall construction drawing of the present invention；
Fig. 2 is PSM power control system structure chart of the present invention；
Fig. 3 is control flow chart；
Fig. 4 is forward position control flow chart；
Fig. 5 is that forward position controls effect oscillogram；
Fig. 6 is Three models output waveform schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention and operation principle, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes；Described in embodiment is only a part of embodiment of the present invention rather than whole enforcement
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.This example is applied particularly to anode high voltage power for electronic cyclotron
In, output parameter is 35kV/200mA.
The high direct voltage high frequency switch power that the variable modulated waveform forward position of a kind of gamut is variable, (its population structure is such as
Shown in Fig. 1), including three-phase alternating-current supply, current rectifying and wave filtering circuit, full bridge inverter, high frequency transformer, AC-DC module (SM),
First microprocessor (DSP1) and PSM power control system；Three-phase alternating-current supply output connects current rectifying and wave filtering circuit, rectifying and wave-filtering
Circuit connects full bridge inverter, and output two ends (A end, the B end) output of full bridge inverter is connected to 59 identical high frequencies
The primary of transformator, the secondary output of each high frequency transformer connects each AC-DC module (SM), and AC-DC module (SM) comprises field effect
Ying Guan, whether superposition series connection exports to be used for controlling DC voltage, first AC-DC module (SM1) feedback link first micro-process
Device (DSP1), first microprocessor DSP1 controls prime full-bridge inverter and realizes constant voltage；PSM power control system is (such as Fig. 2 institute
Show) include that the second microprocessor (DSP2), optical fiber, ethernet module, router and PC, the second microprocessor (DSP2) pass through
59 optical fiber control to connect 59 AC-DC module (SM), and the external serial ports of the second microprocessor (DSP2) is sequentially connected with Ethernet
Module, router and PC；In described front 58 AC-DC module field effect transistor conducting with turn off by optical fiber (S1-S58) every
From control；Current rectifying and wave filtering circuit in described 59th grade of AC-DC module (SM59) is used behind Buck reduction voltage circuit, and directly by
Second microprocessor (DSP2) output high-frequency PWM signal is controlled it by optical fiber；In described front 58 AC-DC module
Field effect transistor conducting is controlled by optical fiber (S1-S58) isolation with turning off；Rectification in described 59th grade of AC-DC module (SM59)
Filter circuit is used behind Buck reduction voltage circuit, and is directly passed through light by the second microprocessor (DSP2) output high-frequency PWM signal
Fibre controls it；Described first microprocessor (DSP1) and the second microprocessor (DSP2) all use chip
TMS320F2812 is as master control, and wherein, first microprocessor (DSP1) controls prime full-bridge inverter and realizes constant voltage, and second is micro-
Processor (DSP2) realizes the functions such as voltage stabilizing and the modulation output of 59 modules of rear class.
As further illustrating of above-mentioned embodiment, in order to Guarantee control system can carry out quick failure response,
PSM power control system is also associated with middle control fault detection system, data collecting system and communication system, middle control event
Barrier detecting system carries out switching value monitoring by optical fiber to the second microprocessor (DSP2), and data collecting system is to input and output
Voltage, electric current carry out data acquisition, and communication system also carries out data communication with numerous signals such as touch screen, middle control states.
As further illustrating of above-mentioned embodiment, due to the I/O port limited amount of the second microprocessor (DSP2), and
Delays time to control is wanted, it is impossible to the most directly control 59 modules by 59 I/O ports between each IO, optimized, front 30 modules
Being divided into three groups, often 10 modules of group, controlled by 3 I/O ports respectively, the 31st grade of module is independent by 29 IO respectively to the 59th module
Being controlled, 59 modules control the most only to need 32 I/O ports.
The control method of the high direct voltage high frequency switch power that the variable modulated waveform forward position of above-mentioned gamut is variable, as
Under:
1) six magnitudes of voltage being put into control output voltage array Voltage [6], as reference voltage, six level times are put
To output time array Time [6] controlling current level, when in local control or remotely controlling, by changing these 12
Numerical value just can change the waveform of current output voltage；
2) output voltage is after divider resistance carries out dividing potential drop, compares with reference voltage, and reference voltage here is in the past
Taking out in array Voltage [6] mentioned in literary composition, the error voltage and 600 produced relatively afterwards is divided by, and carries out remainder and take
Business's computing, quotient determines the distribution mode of output module, then opens corresponding module.Remainder is for determining to control the 59th module
(SM59) dutycycle of pwm signal.
Corresponding to above-mentioned control method, its control flow chart is as shown in Figure 3.
Control method as the variable high direct voltage high frequency switch power in the variable modulated waveform forward position of above-mentioned gamut
Further illustrate, due to each module of PSM power supply band carry with without load state under rapid conversion, according to conventional successive control,
The biggest spike can be produced during adjacent switching between ten modules and the module that 9 independent I/O ports control that same I/O port controls
Pulse.This pulse spike is highly detrimental to the stable of whole power-supply system and electromagnetic compatibility；In order to change this situation, use
Optimal Control Strategy is: as output voltage V0 ＜ 12kv, opens corresponding module in 31-50 level；As 12kv ＜ V0 ＜ 18kv
Time, open 1-10 level module, and corresponding module in 31-50 level；As 18kv ＜ V0 ＜ 24kv, open 1-20 level, and 31-50
Corresponding module in Ji；As output voltage 24kv ＜ V0, (wherein V0 is to open corresponding module in 1-30 level, and 31-59 level
Output voltage).
Control method as the variable high direct voltage high frequency switch power in the variable modulated waveform forward position of above-mentioned gamut
Further illustrate, in order to meet the fast response time of system, by setting up output module and time control table and IO end
Relation between Kou, inquires about the control time output valve of current DSP port, thus controls the conducting of corresponding module and turn off.?
32 pins employed in TMS320F2812 chip in these four ports of Port A, B, E, F in actual application, module 59 makes
With a PWM pin in PORTA.
As the variable high direct voltage high frequency switch power control method in the variable modulated waveform forward position of above-mentioned gamut
Further illustrate, in order to meet the particular/special requirement of different loads system, prevent too fast change in voltage from causing within gyrotron
Electric arc, adds waveform forward position in control flow and controls function (as shown in Figure 4), and wherein, delay time scope is about 0 μ s and arrives
3ms, maximum stepping are 100 μ s.This control method is possible not only to the requirement meeting different system to Electro Magnetic Compatibility, also can simultaneously
Whether for there being individual module to damage in detecting system, its forward position controls reality test effect oscillogram (as shown in Figure 5),
In Fig. 5, one has 30 steps, and three, left side step represents 30 grades of modules of output, and 27, the right step represents 27 grades of output moulds
Block, so one has 57 module voltage outputs.If the number of modules opened is the most corresponding with the step of output, mean that corresponding
Module damage.
As the variable high direct voltage high frequency switch power control method in the variable modulated waveform forward position of above-mentioned gamut
Optimizing explanation further, output voltage waveforms can have a Three models (as shown in Figure 6): single pulse mode, multi-pulse modulation mould
Formula and six level prepatterns.Single pulse mode refers to export a pulse, and time span is any；Multi-pulse modulation pattern refers to output
With the changeable modulation waveform of frequency between dutycycle 0-1, the modulating frequency of this project is not less than 10kHz.The six preset moulds of level
Formula refers to the cycle of a waveform is divided into six stages, time and the voltage swing in different stages easily set, time span
Do not limit.
Claims (8)
1. the high direct voltage high frequency switch power that the variable modulated waveform forward position of gamut is variable, based on high frequency switch power
Technology and PSM Technology design, including three-phase alternating-current supply, current rectifying and wave filtering circuit, full bridge inverter, high-frequency isolation transformer,
AC-DC module (SM), first microprocessor (DSP1) and PSM power control system, it is characterised in that: three-phase alternating-current supply exports
Connecting current rectifying and wave filtering circuit, current rectifying and wave filtering circuit connects full bridge inverter, the output two ends (A end, B end) of full bridge inverter
Output is connected to the primary of 59 identical high frequency transformers, and the secondary output of each high frequency transformer connects each AC-DC module
(SM), AC-DC module (SM) comprises field effect transistor, and whether superposition series connection exports to be used for controlling DC voltage, first AC-DC mould
Block (SM1) feedback link first microprocessor (DSP1), first microprocessor DSP1 controls prime full-bridge inverter and realizes constant voltage；
PSM power control system includes the second microprocessor (DSP2), optical fiber, ethernet module, router and PC, second micro-process
Device (DSP2) controls to connect 59 AC-DC module (SM) by 59 optical fiber, and the external serial ports of the second microprocessor (DSP2) depends on
Secondary connection ethernet module, router and PC, the field effect transistor in described front 58 AC-DC module turns on and turns off by light
Fine (S1-S58) isolation controls, and the current rectifying and wave filtering circuit in described 59th grade of AC-DC module (SM59) is used behind Buck blood pressure lowering
Circuit, and directly controlled it by optical fiber by the second microprocessor (DSP2) output high-frequency PWM signal.
The high direct voltage high frequency switch power that the variable modulated waveform forward position of gamut the most according to claim 1 is variable,
It is characterized in that: described first microprocessor (DSP1) and the second microprocessor (DSP2) all use chip TMS 320 F 2812 to make
For master control, wherein, first microprocessor (DSP1) controls prime full-bridge inverter and realizes constant voltage, and DC bus-bar voltage is under-voltage and mistake
Pressure monitoring, the second microprocessor (DSP2) realizes the functions such as the voltage stabilizing of 59 modules of rear class, modulation output and communication.
The high direct voltage high frequency switch power that the variable modulated waveform forward position of gamut the most according to claim 1 is variable,
It is characterized in that: the pin resource-constrained of the second microprocessor (DSP2), therefore described front 30 modules are divided into three groups, often organize 10
Individual module, is controlled by 3 I/O ports respectively, and the 31st grade of module is independently controlled by 29 IO respectively to the 59th module.
4. a control method for the high direct voltage high frequency switch power that the variable modulated waveform forward position of gamut is variable, its feature
It is: use the high direct voltage that the variable modulated waveform forward position of gamut as described in any one in claims 1 to 3 is variable
High frequency switch power, and following control method: 1) six magnitudes of voltage are put into control output voltage array Voltage [6], it is used as
Reference voltage, six level times are put into output time array Time [6] controlling current level, in local control or remote
During process control, just can change the waveform of current output voltage by changing these 12 numerical value；2) output voltage is through dividing potential drop electricity
After resistance carries out dividing potential drop, compare with reference voltage (taking out from array Voltage [6]), the error produced relatively afterwards
Voltage is divided by with module reference voltage (taking 600V), and carries out remainder and take business's computing, and quotient determines the distribution side of output module
Formula, then opens corresponding module；Remainder for determining to control the dutycycle of pwm signal of the 59th module (SM59), it defeated
Go out voltage can between 0-600V continuous variable.
The high direct voltage high frequency switch power that the variable modulated waveform forward position of gamut the most according to claim 4 is variable
Control method, it is characterised in that: during preventing modulation output, the peak voltage produced during disparate modules switching, therefore use excellent
Changing control strategy is: as output voltage V0 ＜ 12kV, open corresponding module in 31-50 level；As 12kV ＜ V0 ＜ 18kV,
Open 1-10 level module, and corresponding module in 31-50 level；As 18kV ＜ V0 ＜ 24kV, open 1-20 level, and 31-50 level
In corresponding module；As output voltage 24kV ＜ V0, (wherein V0 is defeated to open corresponding module in 1-30 level, and 31-59 level
Go out voltage).
The high direct voltage high frequency switch power that the variable modulated waveform forward position of gamut the most according to claim 5 is variable
Control method, it is characterised in that: in order to meet the fast response time of system, by setting up output module and time control table
And the relation between I/O port, inquire about the control time output valve of current DSP port, thus control the conducting of corresponding module with
Turn off, 32 pins used in TMS320F2812 chip in these four ports of Port A, B, E, F in actual applications, module
59 use a PWM pin in PORTA.
The control of the high direct voltage high frequency switch power that the variable modulated waveform forward position of gamut the most according to claim 6 is variable
Method, it is characterised in that: in order to meet the particular/special requirement of different loads system, prevent too fast change in voltage from causing transition,
Control flow adds waveform forward position when controlling function, the output of 59 modules, the leading edge time of output waveform can be made to prolong
Time time range be about 0 μ s to 3ms, opening the maximum stepping of delay between adjacent block is 100 μ s, and this function can be provided for detection system
Whether have individual module to damage in system, the module output voltage that in output waveform, step represents a control signal is big
Little, one has 59 module voltage outputs, if the number of modules opened is the most corresponding with the step of output, means that corresponding module
Damage.
The high direct voltage high frequency switch power that the variable modulated waveform forward position of gamut the most according to claim 3 is variable
Control method, it is characterised in that: output voltage waveforms has Three models to export, single pulse mode, modulating mode and preset six electricity
Flat-die type powdered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801996.5A CN106300989B (en) | 2016-09-05 | 2016-09-05 | A kind of gamut can be changed the variable high direct voltage high frequency switch power in modulated waveform forward position and its control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005328A (en) * | 2019-04-28 | 2019-07-12 | 苏州威尔阳光智能科技有限公司 | A kind of sensing automatic control type modularization shading system |
| CN111509991A (en) * | 2020-04-21 | 2020-08-07 | 童树之 | Programmable arbitrary wave test power supply structure and control system and method thereof |
| CN112532082A (en) * | 2020-11-26 | 2021-03-19 | 核工业西南物理研究院 | High-frequency converter applied to PSM high-voltage power supply and PSM high-voltage power supply |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079335A (en) * | 1992-03-28 | 1993-12-08 | 亚瑞亚·勃朗勃威力有限公司 | Electron beam device |
| US20080084714A1 (en) * | 2006-10-04 | 2008-04-10 | Denso Corporation | Dual-transformer type of dc-to-dc converter |
| CN101345483A (en) * | 2008-05-27 | 2009-01-14 | 北京先行电气有限公司 | Rail traction AC cophase supply apparatus based on three-phase series voltage source type symmetry transformation |
| EP2437386A1 (en) * | 2010-10-04 | 2012-04-04 | PL Technologies AG | Stabilized high-voltage power supply |
| CN102545628A (en) * | 2011-12-26 | 2012-07-04 | 上海交通大学 | Conversion circuit for high-voltage input and low-voltage output |
| EA201101539A1 (en) * | 2011-08-23 | 2013-02-28 | Общество С Ограниченной Ответственностью "Техносоюзпроект" | PULSE MODULATOR WITH STEPPED VOLTAGE FORMER |
| CN103066848A (en) * | 2012-12-25 | 2013-04-24 | 南京航空航天大学 | Direct current transformer type multi-level output direct-current electrical source for quick trace reference |
| CN202931214U (en) * | 2012-10-26 | 2013-05-08 | 比亚迪股份有限公司 | Power supply switching device used for outputting high voltage |
| CN203039604U (en) * | 2012-12-31 | 2013-07-03 | 江苏一同环保工程技术有限公司 | High-power high-frequency high-voltage series-connection superposed high-voltage power supply |
-
2016
- 2016-09-05 CN CN201610801996.5A patent/CN106300989B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079335A (en) * | 1992-03-28 | 1993-12-08 | 亚瑞亚·勃朗勃威力有限公司 | Electron beam device |
| US20080084714A1 (en) * | 2006-10-04 | 2008-04-10 | Denso Corporation | Dual-transformer type of dc-to-dc converter |
| CN101345483A (en) * | 2008-05-27 | 2009-01-14 | 北京先行电气有限公司 | Rail traction AC cophase supply apparatus based on three-phase series voltage source type symmetry transformation |
| EP2437386A1 (en) * | 2010-10-04 | 2012-04-04 | PL Technologies AG | Stabilized high-voltage power supply |
| EA201101539A1 (en) * | 2011-08-23 | 2013-02-28 | Общество С Ограниченной Ответственностью "Техносоюзпроект" | PULSE MODULATOR WITH STEPPED VOLTAGE FORMER |
| CN102545628A (en) * | 2011-12-26 | 2012-07-04 | 上海交通大学 | Conversion circuit for high-voltage input and low-voltage output |
| CN202931214U (en) * | 2012-10-26 | 2013-05-08 | 比亚迪股份有限公司 | Power supply switching device used for outputting high voltage |
| CN103066848A (en) * | 2012-12-25 | 2013-04-24 | 南京航空航天大学 | Direct current transformer type multi-level output direct-current electrical source for quick trace reference |
| CN203039604U (en) * | 2012-12-31 | 2013-07-03 | 江苏一同环保工程技术有限公司 | High-power high-frequency high-voltage series-connection superposed high-voltage power supply |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005328A (en) * | 2019-04-28 | 2019-07-12 | 苏州威尔阳光智能科技有限公司 | A kind of sensing automatic control type modularization shading system |
| CN111509991A (en) * | 2020-04-21 | 2020-08-07 | 童树之 | Programmable arbitrary wave test power supply structure and control system and method thereof |
| CN112532082A (en) * | 2020-11-26 | 2021-03-19 | 核工业西南物理研究院 | High-frequency converter applied to PSM high-voltage power supply and PSM high-voltage power supply |
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