CN201435678Y - A high-voltage switching power supply for traveling wave tube power supply modulator - Google Patents
A high-voltage switching power supply for traveling wave tube power supply modulator Download PDFInfo
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- CN201435678Y CN201435678Y CN2009201097297U CN200920109729U CN201435678Y CN 201435678 Y CN201435678 Y CN 201435678Y CN 2009201097297 U CN2009201097297 U CN 2009201097297U CN 200920109729 U CN200920109729 U CN 200920109729U CN 201435678 Y CN201435678 Y CN 201435678Y
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- 238000001914 filtration Methods 0.000 claims abstract description 40
- 238000002955 isolation Methods 0.000 claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 31
- 230000000087 stabilizing effect Effects 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000004146 energy storage Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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Abstract
The utility model belongs to the electronic information field and provides a high-voltage switch power used for a traveling wave tube (TWT) power modulator. The high-voltage switch power comprises aninput circuit, a low-voltage energy-storage capacitance, an inverter circuit, a boosting transformer, a rectification and filtration circuit, a differential-voltage sampling circuit and an isolation feedback circuit. The utility model realizes the power modulator of a TWT amplifier, which is characterized in that an isolation closed-loop feedback switch power and the low-voltage energy-storage capacitance are adopted, therefore, the measures can not only ensure the high stability of the output voltage, the small size and the light weight of the power modulator of the TWT amplifier, but also improve the reliability and lower the cost.
Description
Technical field
The utility model belongs to electronic information technical field, adopts the isolation closed loop feedback high-voltage switch power supply with low pressure energy storage capacitor to realize the travelling-wave tube amplifier power supply modulator.
Background technology
Travelling-wave tube amplifier is widely used in the modern pulsed radar system.Because the Switching Power Supply volume is little, in light weight, output voltage ripple is little, so adopt Switching Power Supply to become developing direction as the TWT Power modulator.In order to improve travelling-wave tube amplifier (Traveling wave tubeAmplifier, TWTA) phase stability of microwave output signal, require travelling wave tube power supply high voltage electric power output voltage stability very high, in the modern coherent radar system, the high voltage source output voltage stability is required to reach 10
-4Magnitude.In pulse TWTA, this stability normally relies on high-voltage output end linear voltage-stabilizing circuit and high-voltage energy storage capacitor to realize.The linear voltage regulator form is a lot, its major defect problem that high-voltage output end brings on high potential that is to suspend, and also the output voltage variation effect that fluctuation brings for primary power source is little, generally need increase pre-equalizing network at power input.The capacity of high-voltage energy storage capacitor is several to several microfarads zero point, several kilovolts to tens kilovolts of its requirement of withstand voltage, and problems such as its volume, weight, reliability, price all are the more scabrous problems of designer.
The utility model content
In order to solve the prior art problem, the purpose of this utility model is to propose that a kind of volume that is used for the TWT Power modulator is little, in light weight, price is low, the high reliability high-voltage switch power supply.
In order to reach described purpose, the utility model provides a kind of high-voltage switch power supply that is used for the TWT Power modulator, and this power supply contains:
One input circuit is used for an input voltage U
InRectification, filtering form required direct voltage;
One inverter circuit, its AC and DC conversion input is connected with the input circuit output, its control input end is connected with the isolation feedback circuit output, inverter circuit receives the direct voltage of input circuit output and the signal that contains high voltagestability information of isolation feedback circuit output, conversion and the adjustable alternating voltage of output parameter;
One step-up transformer, its former limit winding is connected with the output of inverter circuit, and step-up transformer is with the alternating voltage conversion of inverter circuit output and by the many groups of secondary winding output High AC voltage;
One current rectifying and wave filtering circuit, its a plurality of inputs are connected with a plurality of secondary winding outputs of step-up transformer respectively, and many groups High AC voltage that each secondary winding of step-up transformer is exported forms and export every group of high direct voltage voltage by current rectifying and wave filtering circuit;
One pressure sampling circuit, a high voltage stabilizing output in many groups high direct voltage output of its resitstance voltage divider and current rectifying and wave filtering circuit is connected, high voltage stabilizing signal to the output of high voltage stabilizing output carries out voltage sample, and the reference voltage of the reference voltage unit of sampled voltage and pressure sampling circuit relatively forms the signal that contains high voltagestability information;
The isolation feedback circuit two ends link to each other with the output of the reference voltage unit of pressure sampling circuit and the control circuit input of inverter circuit respectively, and isolation feedback circuit carries out the control circuit that inverter circuit is isolated and inputed to high pressure with the signal that contains high voltagestability information of pressure sampling circuit output.
The described high-voltage switch power supply that is used for the TWT Power modulator also comprises, is connected the low pressure storage capacitor between input circuit and inverter circuit, and does not connect or connect the storage capacitor of low-capacitance at current rectifying and wave filtering circuit high voltage stabilizing output.
Wherein, described step-up transformer adopts the grouping coiling.
Wherein, described current rectifying and wave filtering circuit contains many group rectification filtering units, and the output of organizing rectification filtering unit is connected in series more, and the high direct voltage voltage stack of every group of output forms and output stack high direct voltage voltage.
Wherein, described isolation feedback circuit utilizes optocoupler or transformer to realize the isolation of low-pressure end and high-pressure side.
The beneficial effects of the utility model: a kind of high-voltage switch power supply that is used for the TWT Power modulator of the utility model has been realized a multistage step-down collection level TWT Power modulator.Compared with prior art, the high-voltage switch power supply voltage regulation performance that is used for the TWT Power modulator that the utility model is realized is good, reduced volume, weight, cost, improved protective value and reliability to high voltage arc.Above-mentioned effect is verified in application in practice.
1. a high voltage source that is used for the TWT Power modulator has realized containing 1 or several several kilovolts to tens kilovolts high tension voltage output, total power consumptions tens to several kilowatts TWT Power modulator, power volume is little, in light weight, cost is low, the high tension voltage output stability can be good, the reliability height.
2. utilize the low pressure storage capacitor to substitute or the alternative high-voltage energy storage capacitor of part.When pulse load travelling wave tube duration of work, low pressure storage capacitor energy stored is exported to the high pressure output loop by inverter circuit, step-up transformer and current rectifying and wave filtering circuit, when guaranteeing power supply output high voltagestability, reduce volume, weight and the cost of power supply, improved reliability.Low pressure storage capacitor energy stored can not discharge to output when the capacity that uses the low pressure storage capacitor to reduce high-voltage energy storage capacitor can guarantee the output loop sparking, thereby the energy that high-voltage output end discharges when having reduced sparking, reduce the possibility that travelling wave tube is damaged, improved the reliability of high-voltage switch power supply.
3. adopt the closed loop feedback high-voltage switch power supply to realize single-stage power conversion, sample from power supply high voltage stabilizing output direct voltage, with the relatively voltage stabilizing control of back input inverter circuit realization electric power output voltage of voltage reference, so not only the output voltage unsteadiness that causes owing to the power output end load variations has been played pressure stabilization function, and the output voltage unsteadiness that the input voltage unsteadiness causes has also been played the effect of high voltage stability.In input voltage rated value ± 10% scope, realize the stability 10 of output high tension voltage in the scope of input load from fully loaded to 30% fully loaded output
-4Magnitude.
4. the step-up transformer secondary adopts the grouping coiling, each winding is exported corresponding one group of rectification filtering unit, the high direct voltage voltage hundreds of of every group of rectification filtering unit output is to several kilovolts, the output of many group rectification filtering units is connected in series, the high direct voltage voltage stack of every group of output forms and exports several thousand to tens kilovolts of stack high direct voltage voltages, when simplifying design of transformer and current rectifying and wave filtering circuit and components and parts and selecting difficulty, conveniently form many group stack high direct voltages and export.
5. used isolation feedback circuit in high pressure pressure sampling circuit and low pressure inverter circuit, isolation feedback circuit utilizes transformer or optocoupler to realize.This method has realized the isolation of high pressure and low-voltage circuit effectively.When high-pressure side is struck sparks, protect low-voltage circuit, improved the reliability of power supply.
6. principle of the present utility model can be applied to other field high voltage source development.
Description of drawings
The electric theory diagram of Fig. 1 the utility model embodiment.
Embodiment
Describe each related detailed problem in the technical solutions of the utility model in detail below in conjunction with accompanying drawing.Be to be noted that described embodiment only is intended to be convenient to understanding of the present utility model, and it is not played any qualification effect.
A kind of electric theory diagram that is used for the high-voltage switch power supply of TWT Power modulator is seen Fig. 1.
Input circuit 1 mainly is as required with an input voltage U
InRectification, filtering form required direct voltage.If primary power source U
InBe DC power supply, input circuit 1 mainly is electromagnetic compatibility filtering (EMI) circuit.
Inverter circuit 2 is cores of Switching Power Supply.The AC and DC conversion input of inverter circuit 2 is connected with input circuit 1 output, its control input end is connected with isolation feedback circuit 6 outputs, receive the direct voltage of input circuit 1 output and the signal that contains high voltagestability information of isolation feedback circuit 6 outputs, conversion and the adjustable alternating voltage of output parameter by inverter circuit 2.Inverter circuit 2 comprises 5 parts:
DC/AC converter unit 2.1, the direct voltage that is used for importing through the input circuit 1 of resonant circuit 2.4 shapings is converted to the adjustable alternating voltages of parameter such as pulsewidth, repetition rate and initial phase, to realize Power Conversion.DC/AC converter unit 2.1 can be realized by the switching tube group of different topology structure.Can adopt full-bridge, half-bridge topology for high-power circuit, can adopt for the middle low power circuit and topological structure such as recommend.According to power, switching frequency, switching tube can be selected switch mosfet pipe, IGBT switching tube etc.
Drive circuit 2.2 is connected with DC/AC converter unit 2.1 with control circuit 2.3, be used for realizing driving and control to DC/AC converter unit 2.1 switching tube groups, the control forms of DC/AC converter unit 2.1 is a lot, such as pulse width modulation, pulse frequency modulated, phase shifting control etc.Drive circuit functionality is that the output signal of control circuit is amplified the driving that shaping realizes switching tube.
Resonant circuit 2.4 two ends are connected with the DC/AC converter unit 2.1 of input circuit 1 and inverter circuit 2 respectively, resonant circuit 2.4 can adopt the resonant circuit of modes such as series, parallel, mixed type, make switching tube in the DC/AC converter unit 2.1 be operated in the mode of operation of forms such as no-voltage, zero current, to improve power-efficient.
Low-voltage power supply circuit 2.5 forms the required power supply of drive circuit 2.2 and control circuit 2.3.
The former limit winding of step-up transformer 3 is connected with the output of inverter circuit 2, and step-up transformer 3 is with the alternating voltage conversion of inverter circuit 2 outputs and by the many groups of secondary winding output High AC voltage.For the ease of the design of step-up transformer 3 and the selection of current rectifying and wave filtering circuit 4 components and parts, the secondary of step-up transformer 3 adopts the grouping coiling, according to the size of step-up transformer 3 magnetic cores and the operating current and the voltage of current rectifying and wave filtering circuit 4 components and parts, the secondary of step-up transformer 3 can be divided into some groups, step-up transformer 3 can for one also can be several.
A plurality of inputs in the current rectifying and wave filtering circuit 4 are connected with a plurality of secondary winding outputs of step-up transformer 3 respectively, many groups High AC voltage of each secondary winding output of step-up transformer is formed and exports every group of high direct voltage voltage by current rectifying and wave filtering circuit 4, the output of many group rectification filtering units is connected in series, and the high direct voltage voltage stack of every group of output forms and output stack high direct voltage voltage.Current rectifying and wave filtering circuit 4 rectification forms can adopt forms such as full-bridge, half-bridge, multiplication of voltage, and filtering can be finished by forms such as electric capacity, inductance, mixed filterings.
Pressure sampling circuit 5 comprises resitstance voltage divider and the reference voltage comparing unit of being made up of resistance R 1 and R2, resitstance voltage divider R1 is connected with the high voltage stabilizing output of current rectifying and wave filtering circuit 4 with R2, Uh carries out voltage sample to the high voltage stabilizing output, the reference voltage of this sampled voltage and reference voltage comparing unit compares, and reference voltage unit output contains the signal of high voltage stabilizing output Uh stability information.
Isolation feedback circuit 6 two ends link to each other with the reference voltage unit output of pressure sampling circuit 5 and control circuit 2.3 inputs of inverter circuit 2 respectively; isolation feedback circuit 6 can be realized by devices such as transformer or optocouplers; when the power supply high-tension circuit brings out existing sparking, isolate feedback circuit isolated the high voltage arc energy to the transmission of power supply low-pressure end inverter circuit 2; thereby protected inverter circuit 2, improved the reliability of power supply.
The signal that contains high voltagestability of pressure sampling circuit 5 outputs feeds back the control circuit 2.3 that inputs in the inverter circuit 2 by isolation feedback circuit 6, realize the closed loop voltage stabilizing control of stable high voltage output end of pressure-stabilizing Uh voltage, no matter be because input voltage changes, or the variation that output loading changes the high voltage stabilizing output Uh voltage that causes all can be compensated by the output of regulating control circuit 2.3, thereby realizes the purpose of stable high voltage output end of pressure-stabilizing Uh voltage.
For the load of pulsed TWT isopulse,, after high-voltage rectifying filtering, be connected high-voltage energy storage capacitor C usually with the interface end of travelling wave tube in order to keep interpulse electric power output voltage Uh
2, its appearance value is several to several microfarads zero point.Because be applied in several kilovolts to tens kilovolts high-voltage output end, its volume, weight are very big, price is higher.If high-voltage energy storage capacitor C
2The too high meeting of capacity cause the energy of high-voltage output end sparking discharge excessive, thereby the paired pulses load causes damage.So high-voltage energy storage capacitor C
2Selection be the key of pulsed TWT high voltage source design.One of key point that the utility model proposes power circuit is to utilize the low pressure storage capacitor C of the utility model power input
1Substitute or partly substitute the high-voltage energy storage capacitor C of output
2The operating frequency of Switching Power Supply is tens to the hundreds of KHz, and the travelling wave tube pulse duration tens is delicate, if the switching tube conducting is more than 2 times in the pulse duration, and interpulse low pressure storage capacitor C
1Energy can be delivered to the power supply high-voltage output end, meet the demands thereby keep high voltage stabilizing output Uh voltage to fall on interpulse top.According to energy conservation principle, low pressure storage capacitor C
1Capacity should be high-voltage energy storage capacitor C
2The K of capacity
2Doubly, the no-load voltage ratio of K indication transformer.Utilize low pressure storage capacitor C
1Substitute or the alternative high-voltage energy storage capacitor C of part
2Though it is big that capacitance becomes,, all be better than high-voltage energy storage capacitor C from the consideration of index aspects such as price, volume, reliability owing to use at low-pressure end
2In addition, low pressure storage capacitor C
1Substitute or the alternative high-voltage energy storage capacitor C of part
2Sharpest edges be low pressure storage capacitor C
1Energy stored can not discharge to the travelling wave tube end when output loop is struck sparks, thereby has protected travelling wave tube, has improved the reliability of travelling-wave tube amplifier.This is that the energy of rectification circuit input end is suppressed because the B point voltage of current rectifying and wave filtering circuit 4 is higher than the A point voltage when output loop is struck sparks.
According to principle described in the utility model, the design and the development of a TWT Power modulator high voltage source have been finished.The power supply modulator high voltage source of embodiment comprises a TWT slow wave line voltage output Uh, three travelling wave tube catcher voltage output Uc1, Uc2, Uc3, TWT slow wave line voltage U
h=-10kV, voltage stability Δ U
h/ U
h≤ 5 * 10
-4, TWT slow wave line average current I
h=25mA, travelling wave tube catcher voltage (relative and TWT slow wave line) Uc1=2kV, Uc2=5kV, Uc3=8kV.Power capacity P
In=1000W, derate coefficient 0.5, maximum pulse τ=40 μ s, pulse repetition frequency PRF=1～4kHz, primary power source voltage 42 ± 3V, the efficient about 90% of power supply.
Adopted circuit block diagram shown in Figure 1, the filtering of " π " type has been adopted in the loop of input circuit 1; DC/AC converter unit 2.1 adopts switch mosfet pipe full-bridge topologies in the inverter circuit 2, drive circuit 2.2 and control circuit 2.3 utilize special driving chip MPIC2113 and pulse width modulating chip UC1825 to realize respectively, resonant circuit 2.4 adopts series resonance electric capacity, low-voltage power supply circuit 2.5 utilizes three terminal regulator LM7805 and LM7815 to realize, switching frequency 100kHz, 2 step-up transformers 3 have been utilized, the secondary of each step-up transformer 3 has 4 groups of windings, current rectifying and wave filtering circuit 4 uses diode full-bridge rectification and capacitor filtering Cf, every group of rectification filtering unit output 1～1.5kV high direct voltage voltage, the output series connection of many group rectification filtering units, the output of formation-10kV TWT slow wave line high pressure forms the output of three travelling wave tube collectors simultaneously.From overlapped in series form-10kV TWT slow wave line high-voltage output end voltage sample, with reference voltage relatively after, utilize transformer to feed back to control circuit 2.3 and realize closed loop voltage stabilizings control as isolation feedback circuit 6; The input of this example has adopted C
1=20 * 10
3The storage capacitor of μ F, high-pressure side have only adopted C
2The filter capacitor of=0.1 μ F.Compare with the scheme that adopts high-voltage energy storage capacitor fully, adopt the power volume 425mm * 120mm * 120mm of low-voltage capacitance, reduced by 1/4; Weight 3.5kg has reduced by 10%, and cost has reduced by 50%.TWT slow wave line-10kV voltage stability is better than 5 * 10
-4, possess good sparking defencive function.
The above; it only is the embodiment in the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; conversion or the replacement expected can be understood, all of the present utility model comprising within the scope should be encompassed in.
Claims (5)
1, a kind of high-voltage switch power supply that is used for the TWT Power modulator is characterized in that, contains:
One input circuit is used for an input voltage U
InRectification, filtering form required direct voltage;
One inverter circuit, its AC and DC conversion input is connected with the input circuit output, its control input end is connected with the isolation feedback circuit output, receive the direct voltage of input circuit output and the signal that contains high voltagestability information of isolation feedback circuit output, conversion and the adjustable alternating voltage of output parameter by inverter circuit;
One step-up transformer, its former limit winding is connected with the output of inverter circuit, and step-up transformer is with the alternating voltage conversion of inverter circuit output and by the many groups of secondary winding output High AC voltage;
One current rectifying and wave filtering circuit, its a plurality of inputs are connected with a plurality of secondary winding outputs of step-up transformer respectively, and many groups High AC voltage of each secondary winding output of step-up transformer forms and export every group of high direct voltage voltage by current rectifying and wave filtering circuit;
One pressure sampling circuit, a high voltage stabilizing output in many groups high direct voltage output of its resitstance voltage divider and current rectifying and wave filtering circuit is connected, high voltage stabilizing signal to the output of high voltage stabilizing output carries out voltage sample, and the reference voltage of the reference voltage unit of sampled voltage and pressure sampling circuit relatively forms the signal that contains high voltagestability information;
The isolation feedback circuit two ends link to each other with the output of the reference voltage unit of pressure sampling circuit and the control circuit input of inverter circuit respectively, and isolation feedback circuit carries out the control circuit that inverter circuit is isolated and inputed to high pressure with the signal that contains high voltagestability information of pressure sampling circuit output.
2, the high-voltage switch power supply that is used for the TWT Power modulator as claimed in claim 1, it is characterized in that, also comprise, between input circuit and inverter circuit, be connected the low pressure storage capacitor, and do not connect or connect the storage capacitor of low-capacitance at current rectifying and wave filtering circuit high voltage stabilizing output.
3, the high-voltage switch power supply that is used for the TWT Power modulator as claimed in claim 1 is characterized in that, described step-up transformer adopts the grouping coiling.
4, the high-voltage switch power supply that is used for the TWT Power modulator as claimed in claim 1, it is characterized in that, described current rectifying and wave filtering circuit contains many group rectification filtering units, the output of many group rectification filtering units is connected in series, and the high direct voltage voltage stack of every group of output forms and output stack high direct voltage voltage.
5, the high-voltage switch power supply that is used for the TWT Power modulator as claimed in claim 1 is characterized in that, described isolation feedback circuit utilizes optocoupler or transformer to realize the isolation of low-pressure end and high-pressure side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201097297U CN201435678Y (en) | 2009-06-26 | 2009-06-26 | A high-voltage switching power supply for traveling wave tube power supply modulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201097297U CN201435678Y (en) | 2009-06-26 | 2009-06-26 | A high-voltage switching power supply for traveling wave tube power supply modulator |
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| CN201435678Y true CN201435678Y (en) | 2010-03-31 |
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| CN2009201097297U Expired - Lifetime CN201435678Y (en) | 2009-06-26 | 2009-06-26 | A high-voltage switching power supply for traveling wave tube power supply modulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102611308A (en) * | 2012-04-09 | 2012-07-25 | 上海三基电子工业有限公司 | High-linearity high-voltage direct-current power supply |
| CN102624244A (en) * | 2012-04-21 | 2012-08-01 | 桂林理工大学 | A Realization Method of High Isolation Adjustable DC Stabilized Power Supply |
| CN102902294A (en) * | 2011-07-26 | 2013-01-30 | 中国石油集团长城钻探工程有限公司 | Method and system for full-automatic intelligent program-control power supply of subsurface instrument in well logging system |
| CN102938614A (en) * | 2011-08-15 | 2013-02-20 | 上海普锐马电子有限公司 | Program control high-voltage power circuit of floating ground |
| CN103325559A (en) * | 2012-10-25 | 2013-09-25 | 中国船舶重工集团公司第七二三研究所 | Fabricating method of transformer for float filament modulator in microwave power module |
| CN103414352A (en) * | 2013-08-30 | 2013-11-27 | 北京新雷能科技股份有限公司 | Push-pull type output circuit |
| CN105553301A (en) * | 2016-02-25 | 2016-05-04 | 国网青海省电力公司海南供电公司 | Power supply device having wide input adaptability |
| CN106253208A (en) * | 2016-08-02 | 2016-12-21 | 无锡晶磊电子有限公司 | A kind of self-shield the moon control manipulator |
| CN106849683A (en) * | 2017-01-12 | 2017-06-13 | 南京工业大学 | Converter with input connected in parallel and output connected in series based on push-pull topological structure |
| CN108242890A (en) * | 2016-12-27 | 2018-07-03 | 富士电机株式会社 | Power supply unit, primary module and secondary module |
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| CN102902294B (en) * | 2011-07-26 | 2016-03-30 | 中国石油集团长城钻探工程有限公司 | The program control method of supplying power to of logging system subsurface equipment fully-automatic intelligent and system |
| CN102938614A (en) * | 2011-08-15 | 2013-02-20 | 上海普锐马电子有限公司 | Program control high-voltage power circuit of floating ground |
| CN102611308A (en) * | 2012-04-09 | 2012-07-25 | 上海三基电子工业有限公司 | High-linearity high-voltage direct-current power supply |
| CN102624244A (en) * | 2012-04-21 | 2012-08-01 | 桂林理工大学 | A Realization Method of High Isolation Adjustable DC Stabilized Power Supply |
| CN103325559A (en) * | 2012-10-25 | 2013-09-25 | 中国船舶重工集团公司第七二三研究所 | Fabricating method of transformer for float filament modulator in microwave power module |
| CN103325559B (en) * | 2012-10-25 | 2015-10-21 | 中国船舶重工集团公司第七二三研究所 | For the transformer manufacture method of floating filament modulation device in Microwave Power Module |
| CN103414352A (en) * | 2013-08-30 | 2013-11-27 | 北京新雷能科技股份有限公司 | Push-pull type output circuit |
| CN105553301A (en) * | 2016-02-25 | 2016-05-04 | 国网青海省电力公司海南供电公司 | Power supply device having wide input adaptability |
| CN106253208A (en) * | 2016-08-02 | 2016-12-21 | 无锡晶磊电子有限公司 | A kind of self-shield the moon control manipulator |
| CN108242890A (en) * | 2016-12-27 | 2018-07-03 | 富士电机株式会社 | Power supply unit, primary module and secondary module |
| JP2018107973A (en) * | 2016-12-27 | 2018-07-05 | 富士電機株式会社 | Power supply unit, primary block and secondary block |
| US10931206B2 (en) | 2016-12-27 | 2021-02-23 | Fuji Electric Co., Ltd. | Power supply for output of various specifications |
| CN106849683A (en) * | 2017-01-12 | 2017-06-13 | 南京工业大学 | Converter with input connected in parallel and output connected in series based on push-pull topological structure |
| CN108347187A (en) * | 2018-03-07 | 2018-07-31 | 中国船舶重工集团公司第七二三研究所 | A kind of portable travelling-wave tubes test power supply |
| CN108347187B (en) * | 2018-03-07 | 2020-05-22 | 中国船舶重工集团公司第七二三研究所 | Portable traveling wave tube test power supply |
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