CN104135166A - AC/DC power supply having adjustable high-power pulse edge time - Google Patents
AC/DC power supply having adjustable high-power pulse edge time Download PDFInfo
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- CN104135166A CN104135166A CN201410334766.3A CN201410334766A CN104135166A CN 104135166 A CN104135166 A CN 104135166A CN 201410334766 A CN201410334766 A CN 201410334766A CN 104135166 A CN104135166 A CN 104135166A
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Abstract
The invention discloses an AC/DC power supply having an adjustable high-power pulse edge time. The AC/DC power supply comprises a rectification power supply module, a steady-state DC power supply module, a pulse edge adjustment module and a reversion module, as for a pulse steady-state process, the rectification power supply module and the steady-state DC power supply module which are adopted in the AC/DC power supply output DC power to a load, and as for transient process of a pulse rising edge and a falling edge, the pulse edge adjustment module is used for controlling power exchange between the power supply and the load, so that time of a pulse jumping edge is adjusted; the reversion module is used for organically combining the steady-state DC power supply and the pulse edge adjustment module, and the power supply is controlled to output pulse alternating current or DC power to a magnet or a coil load in real time by a control system. Compared with the problems that the traditional high-power pulse or a main circuit topology of a square wave power supply and the control system are very complicated, the AC/DC power supply has the remarkable advantages of simplicity in the main circuit topology and the control system, low total cost in the system, high reliability and the like.
Description
Technical field
The invention belongs to high power electronic equipment technical field.Relate to a kind of highpowerpulse or square wave power that is applied to the fields such as study of high energy physics, offshore oil exploration and pulse plating, there is strict demand in these fields for rising, the trailing edge time of power supply output pulse or square wave, generally need the rising of dynamic adjustments power pulse, trailing edge time.
Background technology
In the application scenario such as such as the applied magnet power supply in study of high energy physics field, the applied coil stimulating power supply in offshore oil exploration field, pulse or square wave power provide pulse or the square wave current of certain amplitude and shape to load magnet or loading coil, allow the magnetic field in load magnet or coil do periodic variation by the amplitude of pulse or square wave current and shape.In these application scenarios, there is clear and definite index request for the output pulse of power supply or the rising edge of square wave current and trailing edge time, sometimes also need to carry out dynamic adjustments, for example export in the injection bump magnet pulse power technical parameter that pulse current is 6500A a kind of, require be less than 500us pulse rise time, and be 150～400us pulse fall time.At present, this type of power supply that prior art is manufactured, main circuit adopts by organizing the series-parallel topological circuit of H bridge (parallel connection of H bridge plays shunting action, and the series connection of H bridge plays dividing potential drop effect) mostly, and every group of H bridge brachium pontis composed in parallel by multiple brachium pontis again; Control system adopts multiple closed loop feedback control, given waveform is programmed with signal generator, given waveform and power supply output pulse current are compared, produce pwm pulse signal by feedback control system, control IGBT driving pulse duty ratio, make power supply output pulse current tracing preset waveform, become and be subject to programme controlled pulse current.Although this pulse or square wave power scheme can meet the target of pulse edge control, main circuit topological structure is too complicated, generally needs to adopt the connection in series-parallel of tens of groups of H bridges, and power device IGBT quantity can reach up to a hundred; So complicated main circuit topology must cause the complexity of control system, needs a lot of problems of all pressures, current-sharing and driving pulse consistency of well solving connection in series-parallel H bridge etc.In addition, this power source design is bound to, and cost is high, volume is large, and reliability is low.
Summary of the invention
The present invention proposes a kind of novel highpowerpulse along adjustable power of alterating and direct current of time, adopt mode that steady-state supply circuit and pulse edge time adjustment circuit combine for magnet or coil load provide pulse or square wave current, be intended to propose a kind of adjustable pulse of pulse edge time or square wave power scheme of simple, high performance-price ratio.
For realizing above-mentioned target, the technical scheme that the present invention proposes is as follows.
A kind of highpowerpulse is along adjustable power of alterating and direct current of time, mainly by rectifier power supply module 32, stable state DC power supplier 33, pulse edge adjustment module 34; Inverting module 35, magnet or coil load 36 form, and wherein, pulse edge adjustment module 34 releases energy or the energy of storage loads feedback simultaneously self internal energy being regulated to load for being controlled at rising edge of a pulse or trailing edge transient process; Inverting module 35, for the direct current energy of described stable state DC power supplier output periodically being commutated during in stable state in load, makes load magnet or coil can obtain direct current energy and also can obtain AC energy; In the time of the transient process of load in rising edge of a pulse or trailing edge, for controlling the direction of energy exchange between described pulse edge adjustment module and load; It is characterized in that, rectifier power supply module input is connected with three phase supply electrical network, and output is connected with described stable state DC power supplier input; Stable state DC power supplier input is connected with described rectifier power supply module output, and output is connected with described pulse edge adjustment module output and described inverting module input; Pulse edge adjustment module input is connected with three phase supply electrical network, and output is connected with described stable state DC power supplier output and described inverting module input; Inverting module input is connected with described stable state DC power supplier output and described pulse edge adjustment module output, and the two ends of output are connected with load two ends respectively.
In structure of the present invention:
Rectifier power supply module 32, for being the constant or adjustable DC pulse moving voltage of voltage magnitude by three-phase alternating-current powered voltage transitions, for rear class power conversion module provides direct current energy; Stable state DC power supplier, is converted to more level and smooth and the adjustable high-frequency direct-current electric energy of amplitude by the DC pulse moving voltage of rectifier power supply module conversion, loads on the required direct current energy of steady-state process for providing; Pulse edge adjustment module, release energy or the energy of storage loads feedback to load for being controlled at rising edge of a pulse or trailing edge transient process, self internal energy is regulated simultaneously, meet pulse edge and required energy requirement necessary in the adjusting time to reach; Inverting module, in load, during in stable state, described inverting module periodically commutates the direct current energy of described stable state DC power supplier output, makes load magnet or coil can obtain direct current energy and also can obtain AC energy; In the time of the transient process of load in rising edge of a pulse or trailing edge, described inverting module is for controlling the direction of energy exchange between described pulse edge adjustment module and load.Rectifier power supply module input is connected with three phase supply electrical network, comprises three-phase reactor, three-phase bridge rectification circuit, smoothing reactor and DC support electric capacity.Described three-phase reactor input is connected with three phase supply electrical network, and output is connected with described three-phase bridge rectification circuit, is mainly used in limiting the rush of current that line voltage suddenlys change and switching overvoltage causes.Described rectified three-phase circuit input is connected with described three-phase reactor output, output head anode is connected with described smoothing reactor input, negative pole of output end is connected with described DC support electric capacity negative pole, adopt three-phase not control or half control or full-controlled bridge rectification circuit, for three-phase alternating voltage being transformed to the direct voltage that amplitude is adjustable or constant.Described smoothing reactor input is connected with described rectified three-phase circuit output head anode, and output is connected with described DC support capacitance cathode, is mainly used in suppressing the ripple of DC pulse moving voltage.Described DC support capacitance cathode is stated output with institute smoothing reactor and is connected, negative pole is connected with described rectified three-phase circuit negative pole of output end, the output voltage of described rectified three-phase circuit is carried out to smothing filtering, absorb the high amplitude pulsating current that comes from rear class converter simultaneously, DC bus-bar voltage fluctuation is remained in allowed band.The both positive and negative polarity of described DC support electric capacity is respectively as described rectifier power supply module output positive and negative charge.
The input of stable state DC power supplier 33 is connected with the DC output end of described rectifier power supply module, is specially input anode and is connected with the positive pole of described DC support electric capacity, and negative pole is connected with the negative pole of described DC support electric capacity.Described stable state DC power supplier output presets the direct current of amplitude, provide and load on direct current energy required in steady-state process, can adopt the DC-DC topological circuit of multiple non-isolation or isolation, such as Buck, Boost, Buck-Boost or full-bridge circuit etc., specifically, according to preferentially selecting circuit topological structure of practical application, in this specification, set forth as an example of Buck circuit example.Adopt the stable state DC power supplier of Buck topological circuit to comprise full-control type power semiconductor (as IGBT), fly-wheel diode, out put reactor and output capacitance; Described power device IGBT collector electrode is connected with described DC support capacitance cathode, emitter is connected with described fly-wheel diode negative electrode, described fly-wheel diode anode is connected with described DC support electric capacity negative pole, described out put reactor input is connected with fly-wheel diode negative electrode, output is connected with described output capacitance is anodal, described output capacitance negative pole and described fly-wheel diode anodic bonding.The both positive and negative polarity of described output capacitance is respectively as the output both positive and negative polarity of described stable state DC power supplier.
Pulse edge adjustment module 34 inputs are connected with three phase supply electrical network, comprise three-phase reactor, three-phase fully-controlled bridge rectification circuit, electronic switch and storage capacitor.Described three-phase reactor and a Three-Phase PWM Rectifier of described three-phase fully-controlled bridge rectification circuit composition.Described three-phase reactor input is connected with three phase supply electrical network, and output is connected with described three-phase full-controlled bridge rectification circuit input end.Described three-phase full-controlled bridge rectification circuit output end is anodal to be connected with described electronic switch emitter, and negative pole of output end is connected with described storage capacitor negative pole.Described storage capacitor is anodal to be connected with described electronic switch collector electrode, and negative pole is connected with described three-phase fully-controlled bridge rectification circuit output negative pole.In the time that described storage capacitor energy is inadequate, three phase supply grid alternating current can be transformed to direct current energy by described Three-Phase PWM Rectifier, is described storage capacitor charging; Abundant when described storage capacitor energy, while exceeding its rated capacity, three phase supply electrical network is returned in the unnecessary electric energy inversion feedback of described storage capacitor storage by described Three-Phase PWM Rectifier.Because the energy between power supply grid and described storage capacitor needs two-way flow, described three-phase fully-controlled bridge rectification circuit must adopt full-control type power semiconductor, as IGBT.Described electronic switch for control between power supply grid and described storage capacitor and magnet or coil load and described storage capacitor between the direction of energy flow, can adopt the power semiconductor of full-control type, as the IGBT with inverse parallel fly-wheel diode.Described electronic switch collector electrode is connected with described storage capacitor is anodal, and described electronic switch emitter is connected with described three-phase fully-controlled bridge rectification circuit output cathode.Described electronic switch emitter is as described pulse edge adjustment module output cathode, and described storage capacitor negative pole is as described pulse edge adjustment module output negative pole.
Inverting module 35 is transformed to periodic AC energy by the direct current energy of described stable state DC power supplier output and flows to load in steady-state process, in the transient process of rising edge of a pulse or trailing edge, by the direction of opening, turn-offing energy exchange between the described pulse edge adjustment module of control and magnet or coil load to power semiconductor.Described inverting module is made up of one group of (or many group in parallel) H bridging parallel operation, and H bridging parallel operation is made up of the full-control type power semiconductor (as the IGBT with inverse parallel fly-wheel diode) of four electric current energy two-way flow.In steady-state process, by opening periodically in turn, turn-off in described H bridging parallel operation in cornerwise two power semiconductors, the direct current energy of described stable state DC power supplier output is transformed to AC energy and passes to load; In the transient process rising at pulse edge, by opening IGBT device, the energy of described pulse edge adjustment module storage inside is discharged to magnet or coil load fast, meet the requirement of load for pulse power climbing speed; In the transient process declining at pulse edge, IGBT device is turn-offed, the energy that magnet or coil load are stored in steady-state process discharges to described pulse edge adjustment module unit fast through the antiparallel fly-wheel diode of IGBT, meets the requirement of load for pulse power fall off rate.Inverting module input anode is connected with output capacitance in described stable state DC power supplier is anodal, and negative pole is connected with output capacitance negative pole.The mid point of H bridging parallel operation leading-bridge is as described inverting module output one end, and the mid point of lagging leg is as the other end of described inverting module output.
Rectifier power supply module input is connected with three phase supply electrical network, and output is connected with described stable state DC power supplier input.Stable state DC power supplier input is connected with described rectifier power supply module output, and output is connected with described pulse edge adjustment module output and described inverting module input.Pulse edge adjustment module input is connected with three phase supply electrical network, and output is connected with described stable state DC power supplier output and described inverting module input.Inverting module input is connected with described stable state DC power supplier output and described pulse edge adjustment module output, and the two ends of output are connected with load two ends respectively.
Technique scheme of the present invention compared to existing technology scheme has the following advantages.
Pulse power output pulse can be decomposed into pulse steady-state process and impulse hits along transient process two parts, for pulse steady-state process, the present invention adopts described stable state DC power supplier to export pre-set direct current energy to load, and for the transient process of rising edge of a pulse and trailing edge, the present invention adopts the energy flow between described pulse edge adjustment module control power supply and load, thereby the rate of change of regulating impulse hopping edge, meets the requirement of load for power supply output pulse rise time and fall time.The pulse power is decomposed into two power modules by the present invention, by control system, two power modules organically combined, and greatly simplified the complexity of electric power main circuit topological sum control system, reduced the total cost of power supply, improved the reliability of power supply.The described inverting module that the present invention adopts can not only be realized the output of AC/DC pulse very easily, and by the opening shutoff and just can control the energy direction of transfer between described impulse regulating model and load of control switch device, very flexible.
Brief description of the drawings
Fig. 1 is the system schematic block diagram of highpowerpulse of the present invention along adjustable power of alterating and direct current of time.
Fig. 2 is the main circuit topology figure of highpowerpulse of the present invention along adjustable power of alterating and direct current embodiment of time; In figure, Reference numeral is expressed as: 31-three phase supply electrical network; 32-rectifier power supply module; 33-stable state DC power supplier; 34-pulse edge adjustment module; 35-inverting module; 36-magnet or coil load.
Fig. 3 is the output current wave schematic diagram of highpowerpulse of the present invention along adjustable power of alterating and direct current embodiment of time; In figure, Reference numeral is expressed as: tr-rising edge of a pulse transient process; Ts-pulse steady-state process; Tf-pulse trailing edge transient process.
Embodiment
Below, by reference to the accompanying drawings, structure of the present invention is described in further detail.
A kind of physical circuit implementation that Figure 2 shows that above-mentioned proposed technical scheme, comprising: three phase supply electrical network 31, rectifier power supply module 32, stable state DC power supplier 33, pulse edge adjustment module 34, inverting module 35 and magnet or coil load 36.
Rectifier power supply module 32 adopts not control rectifying circuit topology of three phase full bridge, comprises three-phase reactor L1, rectifier diode D1～D6, smoothing reactor L2 and DC support capacitor C 1; Wherein three-phase reactor L1 is mainly used in limiting the rush of current that line voltage suddenlys change and switching overvoltage causes; A three-phase of rectifier diode D1～D6 composition is not controlled rectifier bridge, completes AD-DC transformation of electrical energy, the three-phase alternating voltage of described three phase supply electrical network 31 is transformed to the DC pulse moving voltage of constant amplitude; Smoothing reactor L2 and DC support capacitor C 1 form a DC filter, be mainly used in suppressing the ripple of DC pulse moving voltage, in addition, DC support capacitor C 1 can also absorb the high amplitude pulsating current that comes from stable state DC power supplier described in rear class simultaneously, and the fluctuation of DC side busbar voltage is remained in allowed band.
Stable state DC power supplier 33 adopts Buck buck circuit topology, complete DC-DC transformation of electrical energy, within the ts time period of pulse steady-state process as shown in Figure 3, provide direct current energy to magnet or coil load 36, comprise IGBT Q1, sustained diode 7, out put reactor L3 and output filter capacitor C2; The DC pulse moving voltage that Buck chopper circuit can not only convert described rectifier power supply module 32 is adjusted to more level and smooth direct voltage, and the DC voltage conversion of the constant amplitude that simultaneously described rectifier power supply module 32 can also be converted is that amplitude can freely regulated direct voltage; In the time of power work and voltage source mode, gather the voltage at output filter capacitor C2 two ends as closed loop feedback amount, control the output voltage of described stable state DC power supplier 33 and export by preset value; When power work is during in current source pattern, acquisition stream is crossed out put reactor L3 and is powered on and flow through the filtered current component of output filter capacitor C2 as closed loop feedback amount, controls the output current of described stable state DC power supplier 33 and exports by preset value.
Pulse edge adjustment module 34 discharges electric energy in rising edge of a pulse tr time period as shown in Figure 3 to magnet or coil load, the climbing speed of acceleration pulse rising edge, within pulse trailing edge tf time period as shown in Figure 3, absorb the negative electric energy that contains release of magnet or coil, the fall off rate of acceleration pulse trailing edge; Described pulse edge adjustment module 34 comprises: three-phase reactor L4, rectification IGBT Q6～Q11, the IGBT Q12 that serves as electronic switch and storage capacitor C3; Wherein three-phase reactor L4 and rectification IGBT Q6～Q11 forms a Three-Phase PWM Rectifier, in the time that the electric energy of storage capacitor C3 storage is not enough to maintain the desired climbing speed of rising edge of a pulse, PWM rectifier works in rectification state, electronic switch Q12 is in off state, and power supply grid charges to storage capacitor C3 by the inverse parallel fly-wheel diode of PWM rectifier and Q12; In pulse trailing edge process, electronic switch Q12 is in opening state, the electric energy that magnet or coil load are stored in the time of stable state charges to storage capacitor C3 by Q12, in the time that the electric energy of load release exceedes the rated capacity of storage capacitor C3, PWM rectifier works in inverter mode, unnecessary electric energy feedback, to power supply grid, is ensured to the security reliability of storage capacitor C3.
Inverting module 35 adopts H bridge topological circuit, the VD of described stable state DC power supplier 33 can be transformed to ac output voltage, also can keep original VD; H bridge comprises tetra-IGBT of Q2～Q5; When managing on leading-bridge while managing Q4 conducting under Q2 and lagging leg, the voltage direction obtaining on magnet or coil load 36 is consistent with described stable state DC power supplier 33 output voltage directions, when managing under leading-bridge while managing Q5 conducting on Q3 and lagging leg, the voltage direction obtaining on magnet or coil load 36 and described stable state DC power supplier 33 output voltage opposite directions; Can on magnet or coil load 36, obtain the positive and negative alternating voltage replacing by periodically opening shutoff Q2, Q4 and Q3, Q5; In the time not needing output AC voltage, by Q2, Q4 switch to or Q3, Q5 switch to always open-minded, still can on magnet or coil load 36, obtain direct voltage.
The above; it is only a kind of physical circuit way of realization of technical scheme proposed by the invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention set forth technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. highpowerpulse is along an adjustable power of alterating and direct current of time, mainly by rectifier power supply module 32, stable state DC power supplier 33, pulse edge adjustment module 34; Inverting module 35, magnet or coil load 36 form, and wherein, pulse edge adjustment module 34 releases energy or the energy of storage loads feedback simultaneously self internal energy being regulated to load for being controlled at rising edge of a pulse or trailing edge transient process; Inverting module 35, for the direct current energy of described stable state DC power supplier output periodically being commutated during in stable state in load, makes load magnet or coil can obtain direct current energy and also can obtain AC energy; In the time of the transient process of load in rising edge of a pulse or trailing edge, for controlling the direction of energy exchange between described pulse edge adjustment module and load; It is characterized in that, rectifier power supply module input is connected with three phase supply electrical network, and output is connected with described stable state DC power supplier input; Stable state DC power supplier input is connected with described rectifier power supply module output, and output is connected with described pulse edge adjustment module output and described inverting module input; Pulse edge adjustment module input is connected with three phase supply electrical network, and output is connected with described stable state DC power supplier output and described inverting module input; Inverting module input is connected with described stable state DC power supplier output and described pulse edge adjustment module output, and the two ends of output are connected with load two ends respectively.
2. highpowerpulse, along adjustable power of alterating and direct current of time, is characterized in that according to claim 1, and described pulse edge adjustment module is made up of Three-Phase PWM Rectifier, electronic switch and storage capacitor; Described inverting module is made up of one or more groups H bridging parallel operation in parallel; H bridging parallel operation is by the full-control type power semiconductor of four electric current energy two-way flow.
3. highpowerpulse, along adjustable power of alterating and direct current of time, is characterized in that according to claim 2, and described H bridging parallel operation is the IGBT with inverse parallel fly-wheel diode.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611441A (en) * | 2019-09-10 | 2019-12-24 | 中国船舶工业集团公司第七0八研究所 | Improved generation pulse load power supply topological structure |
| CN113659864A (en) * | 2021-08-13 | 2021-11-16 | 四川英杰电气股份有限公司 | Multi-pulse output solid-state modulator circuit and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6381155B1 (en) * | 2000-05-23 | 2002-04-30 | Next Power Corporation | Method for clusterized power sharing conversion and regulation of the primary power source within a converting and regulating power supply, and system |
| CN101499771A (en) * | 2008-01-28 | 2009-08-05 | 王玉富 | Frequency-changing speed-regulating driver for energy feedback three phase motor with three phase electric power |
| CN101807864A (en) * | 2010-03-25 | 2010-08-18 | 吉林大学 | Emission current subdivision control circuit based on magnetic source electromagnetic method |
| CN102510233A (en) * | 2011-10-13 | 2012-06-20 | 吉林大学 | Multifunctional current impulse transmitter and control method |
| CN204578389U (en) * | 2014-07-14 | 2015-08-19 | 西南交通大学 | Highpowerpulse is along time adjustable power of alterating and direct current |
-
2014
- 2014-07-14 CN CN201410334766.3A patent/CN104135166B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6381155B1 (en) * | 2000-05-23 | 2002-04-30 | Next Power Corporation | Method for clusterized power sharing conversion and regulation of the primary power source within a converting and regulating power supply, and system |
| CN101499771A (en) * | 2008-01-28 | 2009-08-05 | 王玉富 | Frequency-changing speed-regulating driver for energy feedback three phase motor with three phase electric power |
| CN101807864A (en) * | 2010-03-25 | 2010-08-18 | 吉林大学 | Emission current subdivision control circuit based on magnetic source electromagnetic method |
| CN102510233A (en) * | 2011-10-13 | 2012-06-20 | 吉林大学 | Multifunctional current impulse transmitter and control method |
| CN204578389U (en) * | 2014-07-14 | 2015-08-19 | 西南交通大学 | Highpowerpulse is along time adjustable power of alterating and direct current |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611441A (en) * | 2019-09-10 | 2019-12-24 | 中国船舶工业集团公司第七0八研究所 | Improved generation pulse load power supply topological structure |
| CN113659864A (en) * | 2021-08-13 | 2021-11-16 | 四川英杰电气股份有限公司 | Multi-pulse output solid-state modulator circuit and control method thereof |
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