CN115189478A - Heavy-calibre repetition frequency pulse guiding magnetic field device - Google Patents
Heavy-calibre repetition frequency pulse guiding magnetic field device Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/064—Circuit arrangements for actuating electromagnets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
- H01F7/202—Electromagnets for high magnetic field strength
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
Abstract
The invention belongs to the technical field of high-power microwaves, and discloses a large-caliber repetition frequency pulse guiding magnetic field device which comprises an upper computer, a remote controller, a charging switch, a discharging switch, a charger, an energy storage capacitor, a solenoid magnet, an energy feedback loop and an energy discharge loop. The device adopts a circuit topology with energy feedback, has the advantages of compact structure, low energy consumption, flexible and adjustable magnetic field and the like, and reduces the maintenance difficulty and the operation cost of a high-power microwave source magnet system. According to the requirement of the over-mode high-power microwave generator on a guide magnetic field, the device realizes that the aperture of a magnet is 131mm, the magnetic field intensity is flexibly adjustable below 1T, the device can continuously work at the repetition frequency of 30Hz, and the repetition precision is 0.2%. The invention is applied to a high-power microwave generating system, can improve the overall efficiency of a high-power microwave source and promote the repeated-frequency high-power microwave technology to develop towards miniaturization and practicability.
Description
Technical Field
The invention belongs to the technical field of high-power microwaves, and relates to a large-caliber repetition frequency pulse guiding magnetic field device.
Background
High-power microwaves are widely applied to the fields of plasma heating, high-energy particle accelerators, high-power radars and the like. In recent years, high-power microwave sources driven by high-current relativistic electron beams are continuously developed to large pulse energy, high repetition frequency and long-time operation. High power microwave generators are continuously increasing their lateral dimensions to ensure sufficient power capacity, which puts higher demands on the guiding magnetic field means that confine the electron beam.
There are generally four ways to operate the guiding magnetic field used by the high power microwave source at a repetition frequency. Firstly, the superconducting magnet generates a stable and constant magnetic field, the technology is complex, the cost is high, the magnetic field distribution is fixed, and the size of the magnetic field is not easy to adjust; secondly, a permanent magnet is adopted to generate a stable and constant magnetic field. The permanent magnet has the advantages of low cost, no energy consumption and the like, but the strong magnetic field is not easy to realize, and the volume and the weight of the permanent magnet are in direct proportion to the third power of the length of the uniform area; thirdly, by utilizing a pulse width modulation technology, the exciting coil is amplified by controlling a capacitor group with larger energy storage, so that the current is kept stable in a period of time, and a quasi-stable constant magnetic field is generated. The size and the distribution of the magnetic field are easy to adjust, but the power consumption is large, the heat productivity is large, the energy waste is serious, and a huge energy storage system and a cooling system are needed; fourthly, a capacitor with small energy storage is adopted to discharge the excitation coil to generate a repetition frequency pulse magnetic field, the charging speed of the primary energy is high, and the energy efficiency is high. The primary energy of the repetition frequency pulse magnetic field device has the advantages of low power consumption, small heat productivity, compact structure and the like, and is a guidance magnetic field mode with application potential.
Researchers have made many beneficial attempts at small bore, heavy frequency pulsed magnets. In 2009, a solenoid pulse magnet of a Ka-band backward wave tube was developed by the petite of the national defense science and technology university, and the stable and reliable operation of the repetition frequency of the peak magnetic field of 2.21T and 10Hz was obtained. In 2019, aiming at a backward wave tube of Ka-band relativity theory, huang Si Qi of the university of science and technology in Huazhong designs a repetition frequency pulse guidance magnetic field system with the magnet aperture of 20mm and the uniform area of 60mm, and the uniformity of the magnetic field is more than 90%. The repetition frequency pulsed guidance magnetic field system finally generates a guidance magnetic field with the repetition frequency of 20 Hz. However, there are few reports on the large-caliber heavy-frequency magnets with wider application requirements. Compared with a small-caliber repetition frequency magnet, the large caliber means that the inner cavity space of the magnet is larger, the consumed energy is greatly increased, and the electromagnetic force borne by the magnet lead is obviously increased. Therefore, the large-aperture repetition frequency guiding magnetic field device faces a plurality of technical challenges, such as how to generate a magnetic field with a certain magnetic field strength and high uniformity in a large space range, how to supplement enough energy in a short time so as to finish multiple discharge operations in a specified time, how to solve the problem of heat generation caused by the skin effect of large current and current in the discharge process, and how to adopt a reinforcing measure to deal with the larger electromagnetic force born by the magnet.
Disclosure of Invention
The invention aims to provide a guiding magnetic field device which is compact in structure, low in energy consumption and flexible and adjustable in magnetic field for a high-power microwave generator, and provides technical support for improving the overall efficiency of a high-power microwave source.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
a heavy-calibre repetition frequency pulse guidance magnetic field device is characterized in that: the energy-saving device comprises an upper computer, a remote controller, a charging switch, a discharging switch, a charger, an energy storage capacitor, an energy feedback loop, a solenoid magnet and an energy leakage loop.
The upper computer and the remote controller are mainly used for charge and discharge control, trigger control, switch operation, system state monitoring and protection, data acquisition and communication. And after receiving the instruction, the upper computer generates a control signal and transmits the control signal to the remote controller to control the whole repetition frequency pulse guiding magnetic field device to work. The remote controller monitors the working state of the whole device in real time and feeds the working state back to the upper computer.
The charging switch and the discharging switch are used for controlling the on-off of the circuit in the charging and discharging processes. The action time of the switch needs to meet the requirement of repeated frequency operation of the magnetic field device, has sufficient voltage resistance and current resistance characteristics, and is convenient for device integration.
The charger is used for charging the energy storage capacitor and supplementing energy consumed by the energy storage capacitor in each discharging process. According to the instruction of an upper computer, a charging switch is triggered, the charger converts the input three-phase 380V alternating current into high-voltage direct current, and a rear-stage energy storage capacitor is charged in a constant-current mode, so that reliable energy conversion is provided, and the stable operation of the device is guaranteed.
The storage capacitor is used to power the solenoid magnet. According to the requirement of generating a magnetic field, a capacitor with high energy storage density is selected, so that parameters such as total energy storage, forward voltage resistance, reverse voltage resistance and the like can meet the use requirement. After the energy storage capacitor is charged, the charging switch is disconnected, the state is fed back to the upper computer through the remote controller, and the upper computer further triggers the discharging switch to discharge to the solenoid magnet.
The solenoid magnet is a wire wound solenoid coil and functions to generate a desired pulsed magnetic field in the interior space of the magnet when a pulsed current is applied.
The energy feedback loop consists of an energy feedback switch and an energy feedback inductor and is used for realizing energy recovery and saving energy consumed by single discharge. And after the single discharge is finished, according to the repetition frequency working mode, triggering the charging switch again to charge the energy storage capacitor, disconnecting the charging switch after the charging is finished, and triggering the discharging switch to discharge to the solenoid magnet. The above operations are repeatedly performed to realize the repeated frequency operation of the magnetic field device.
The energy leakage loop is composed of a high-voltage relay and a resistor. And after the repetition frequency of the magnetic field device is finished, closing the high-voltage relay to quickly discharge the energy on the energy storage capacitor.
Further, a charging switch, a discharging switch and an energy feedback switch of the large-caliber repetition frequency pulse guiding magnetic field device are all thyristor type switches, and the thyristors have the advantages of high voltage-resistant grade, good controllability and strong through-current capability, and can ensure stable and reliable work of the device.
Furthermore, the charger adopts a series resonant converter, and has the advantages of small electromagnetic interference, ring opening work, strong load short circuit resistance and the like.
Further, a heavy-calibre repetition frequency pulse guide magnetic field device, solenoid coil main part are formed for the coiling of double-deck litz copper line, and the magnet both ends are formed for the coiling of four layers litz copper line, and the reinforcing winding of head and the tail plays the effect that improves the magnetic field degree of consistency.
Furthermore, the energy feedback inductor is formed by winding a single-layer litz copper wire.
Furthermore, the resistance of the energy discharge loop is a high-energy ceramic resistor.
The invention has the beneficial effects that: the large-caliber repetition frequency pulse guiding magnetic field device adopts a circuit topology with energy feedback, has the advantages of compact structure, low energy consumption, flexible and adjustable magnetic field and the like, and reduces the maintenance difficulty and the operation cost. The overall efficiency of the high-power microwave source is improved, and the miniaturization and practical development of the repetition frequency high-power microwave technology is promoted.
Drawings
FIG. 1 is a schematic structural diagram of a large-caliber repetition frequency pulse guidance magnetic field device according to the present invention;
1 (a) a power supply structure of a large-caliber repetition frequency pulse guide magnetic field device;
1 (b) an upper computer interface of the large-caliber repetition frequency pulse guiding magnetic field device;
1 (c) an electrical schematic diagram of a large-caliber repetition frequency pulse guidance magnetic field device;
1 (d) structure diagram of solenoid magnet of large-caliber repetition frequency pulse guidance magnetic field device;
FIG. 2 is a schematic diagram of a magnetic field uniformity region of a large-caliber repetition frequency pulse guidance magnetic field device according to the present invention;
FIG. 3 is a schematic diagram illustrating the advantageous effects of the large-caliber repetition frequency pulse guided magnetic field apparatus of the present invention;
3 (a) a schematic diagram of magnetic field configuration and magnetic field circumferential deviation;
3 (b) a schematic diagram of a current waveform during 30Hz repetition frequency operation.
Detailed Description
The following describes a large-caliber repetition frequency pulse guiding magnetic field device in detail with reference to the accompanying drawings and embodiments.
Taking the guide magnetic field required by the X-wave band overmoded relativistic backward wave tube as an example, the repetition frequency pulse guide magnetic field device with the magnet aperture of 131mm is designed, the length of a uniform magnetic field area is not less than 230mm, the magnetic field intensity is 1T, the repetition frequency working capacity of 30Hz is achieved, and the repetition precision is superior to 0.3%. The specific implementation is as follows:
a large-caliber heavy-frequency pulse guiding magnetic field device is shown in figure 1 and comprises an upper computer, a remote controller, a charging switch, a discharging switch, a charger, an energy storage capacitor, an energy feeding loop, a solenoid magnet and an energy discharging loop.
The method comprises the following steps of designing an upper computer and a remote controller, wherein the upper computer and the remote controller are mainly used for charge and discharge control, trigger control, switch operation, system state monitoring and protection, data acquisition and communication. The upper computer interface is shown in fig. 1 (b), and the interface adopts a flat design style. The topology circuit and the discharge waveform are concentrated on the left side of the interface, the state display, setting and operation are concentrated on the right side of the interface, and the lowest log records the working start time and the emergency stop time. In addition, when the charger fails, the specific failure content can be synchronously displayed. When the device works, the upper computer generates a control signal after receiving an instruction and transmits the control signal to the remote controller to control the whole repetition frequency pulse guiding magnetic field device to work. The remote controller monitors the working state of the whole device in real time and feeds the working state back to the upper computer.
A charging switch, a discharging switch, a charger, an energy storage capacitor, an energy feeding loop, an energy discharging loop and the like are integrated into a power supply system, as shown in fig. 1 (a). The topological circuit of the power supply system is designed, and the working process of the topological circuit is as follows: firstly, starting a power supply; then triggering a charging switch; starting a charger to charge the energy storage capacitor bank; after charging is finished, the charging switch is disconnected, the discharging switch is triggered, and the solenoid magnet is discharged to generate a pulse magnetic field; and after the half-wave discharge is finished, triggering the energy feedback switch to change the residual voltage polarity of the capacitor from negative to positive. And then triggering a charging switch, and repeating the charging and discharging process to realize the repetition frequency work of the magnetic field guiding device.
According to the design requirement of a magnetic field device, a charging switch and a discharging switch adopt thyristor type switches, thyristors and driving and dynamic/static voltage-sharing circuits thereof are integrally designed, and the voltage balance among the 2 thyristors is ensured. The rated voltage of the switch is 6.6kV, the rated current is 6A, and the action time of the switch meets the requirement of 30Hz repetition frequency operation.
The charger adopts a series resonant converter to convert input three-phase 380V alternating current into high-voltage direct current, the maximum output voltage can reach 6.5kV, and a rear-stage energy storage capacitor is charged in a constant current mode. The input and output isolation capacity is larger than 9kV, reliable energy conversion is provided, and the stable operation of the device is guaranteed.
According to the requirement of generating a magnetic field, 4 capacitor groups of 6kV/50 mu F are selected as the energy storage capacitor to be connected in parallel. The rated voltage of the capacitor is 6kV, the rated capacitance is 200 muF, and the total stored energy is 3.6kJ. The capacitor operates under the conditions of 30Hz repeated operation frequency, 9kA peak current and 500 mus pulse width periodic pulse current, the forward withstand voltage is 6kV, and the reverse withstand voltage is 95% forward withstand voltage. To ensure that the capacitor is not charged when not in operation, 1 resistor of 10M Ω is also connected across the capacitor.
The energy feedback loop consists of an energy feedback switch and an energy feedback inductor and is used for realizing energy recovery and saving energy consumed by single discharge. The energy feedback inductor is formed by winding a single-layer litz copper wire, the inductance is 81 mu H, and the resistance is 3.7m omega. The energy feedback switch is a thyristor type switch.
The energy leakage loop is composed of a high-voltage relay and a resistor. And when the repetition frequency of the magnetic field device is finished, the energy of the energy storage capacitor is required to be discharged within 3 s. The normally open type electromagnetic high-voltage relay is adopted, and has the advantages of intuitive opening and closing of the contact, high energy-conducting capacity and the like. The energy discharge resistor is formed by connecting three HVR high-energy ceramic resistors in series, the resistance value of each resistor is 125 ohms, the rated voltage of the resistor is 10kV, the maximum current peak value is 173A, and the maximum energy absorption capacity is 50kJ.
As shown in fig. 1 (c), the solenoid magnet is formed by winding a double-layer litz copper wire, and two ends of the solenoid magnet are formed by winding four layers of litz copper wires, so that the winding is enhanced to improve the uniformity of a magnetic field. The magnet coil was designed to have an inductance of 99 muh and a resistance of 4m omega. The magnet has an inner diameter of 140mm, the magnet is supported by an internal epoxy framework, the inner diameter of the framework is 131mm, and the cross section of the used litz copper wire is 10 multiplied by 19mm 2 Litz wire.
The effects of an embodiment of the large-caliber repetition frequency pulse guiding magnetic field device of the invention are shown in fig. 2 and fig. 3. The uniform magnetic field area generated by the magnetic field guiding device is shown in fig. 2, and the length of the effective working area of the magnet is 230mm. The magnetic field configuration is as shown in fig. 3 (a), and in the effective working area of the magnet, the axial uniformity of the magnetic field is 93.3%, and the circumferential non-uniformity is less than 0.5%. The current waveform when the device is operated at the repetition frequency is as shown in fig. 3 (b), the duration of the magnetic field generated by single discharge is about 0.4ms, the device can continuously operate at the repetition frequency of 30Hz, and the repetition precision is 0.2%. When the voltage is 6kV, the magnetic field intensity can reach 1.04T. The device can provide an adjustable guiding magnetic field for a high-power microwave generator working below 1T.
The operation process of the repetition frequency pulse guiding magnetic field device comprises the following steps:
(1) Starting a repetition frequency pulse guiding magnetic field device;
(2) Taking down a ground rod of a power supply;
(3) The control computer is connected with the serial port of the device in a complete communication way.
(4) And opening the master control program, and clicking to open the serial port below the status bar.
(5) Setting parameters such as voltage, frequency and time, clicking a 'setting' button in sequence, and determining whether a set return value is correct or not;
(6) Firstly, performing a low-voltage test of 500V/30Hz/10s once to check whether each part of the system works normally;
(7) Setting parameters required by work;
(8) If abnormality occurs in the working process, the experiment stopping button needs to be pressed down immediately; in the event of a failure of the stop button or an emergency that could endanger personnel safety, the emergency stop button is immediately pressed, the capacitor is switched off and discharged.
(9) After the work is finished, the grounding rod is hung at a designated position on the power supply.
Claims (6)
1. A large-caliber repetition frequency pulse guiding magnetic field device is characterized in that: the device comprises an upper computer, a remote controller, a charging switch, a discharging switch, a charger, an energy storage capacitor, a solenoid magnet, an energy feeding loop and an energy discharging loop;
the upper computer and the remote controller are used for charge and discharge control, trigger control, switch operation, system state monitoring and protection, data acquisition and communication, and the upper computer generates a control signal after receiving an instruction and transmits the control signal to the remote controller to control the whole repetition frequency pulse guiding magnetic field device to work; the remote controller monitors the working state of the whole device in real time and feeds the working state back to the upper computer;
the charging switch and the discharging switch are used for controlling the on-off of the circuit in the charging and discharging processes; the action time of the switch needs to meet the requirement of repeated frequency operation of the magnetic field device, has sufficient voltage resistance and current resistance, and is convenient for device integration;
the charger is used for charging the energy storage capacitor and supplementing energy consumed by the energy storage capacitor in each discharging process; according to the instruction of an upper computer, a charging switch is triggered, the charger converts the input three-phase 380V alternating current into high-voltage direct current, and a rear-stage energy storage capacitor is charged in a constant-current mode, so that reliable energy conversion is provided, and the stable operation of the device is guaranteed;
the energy storage capacitor is used for providing energy for the solenoid magnet; according to the requirement of generating a magnetic field, a capacitor with high energy storage density is selected, so that parameters such as total energy storage, forward voltage resistance, reverse voltage resistance and the like can meet the use requirement. After the energy storage capacitor is charged, the charging switch is disconnected, the state is fed back to the upper computer through the remote controller, and the upper computer further triggers the discharging switch to discharge to the solenoid magnet;
the solenoid magnet is a wire-wound solenoid coil and has the function of generating a required pulse magnetic field in the inner space of the magnet when pulse current is introduced;
the energy feedback loop consists of an energy feedback switch and an energy feedback inductor and is used for realizing energy recovery and saving energy consumed by single discharge; and after the single discharge is finished, according to the repetition frequency working mode, triggering the charging switch again to charge the energy storage capacitor, disconnecting the charging switch after the charging is finished, and triggering the discharging switch to discharge to the solenoid magnet. The operations are repeatedly executed to realize the repeated frequency work of the magnetic field device;
the energy release loop is composed of a high-voltage relay and a resistor, and when the magnetic field device finishes repeated frequency work, the high-voltage relay is closed to rapidly release energy on the energy storage capacitor.
2. The apparatus of claim 1, wherein the pulse guiding magnetic field device comprises: the charging switch, the discharging switch and the energy feedback switch are all thyristor type switches.
3. The apparatus of claim 1, wherein the pulse guiding magnetic field device comprises: the charger adopts a series resonant converter.
4. The apparatus of claim 1, wherein the pulse guiding magnetic field device comprises: the solenoid coil body is formed by winding double layers of litz copper wires, two ends of the magnet are formed by winding four layers of litz copper wires, and the head and tail reinforcing windings play a role in improving the uniformity of a magnetic field.
5. The apparatus of claim 1, wherein the pulse guiding magnetic field device comprises: the energy feedback inductor is formed by winding a single-layer litz copper wire.
6. The apparatus of claim 1, wherein the pulse guiding magnetic field device comprises: the resistance of the energy leakage loop is a high-energy ceramic resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839483.9A CN115189478B (en) | 2022-07-18 | Heavy-calibre heavy-duty pulse guide magnetic field device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839483.9A CN115189478B (en) | 2022-07-18 | Heavy-calibre heavy-duty pulse guide magnetic field device |
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| CN115189478A true CN115189478A (en) | 2022-10-14 |
| CN115189478B CN115189478B (en) | 2024-05-14 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1133145A (en) * | 1979-05-04 | 1982-10-05 | Pal Vittay | Apparatus for supplying high power electric loads operated in a pulse-like manner, especially for x-ray equipments |
| DE19907484A1 (en) * | 1999-02-12 | 2000-08-31 | Deutsches Elektronen Synchr | Electric circuit for reducing reactions on a voltage source uses switches, e.g. in form of diodes or thyristors, to limit voltage on series resonant circuit capacitor to reference voltage |
| CN106098510A (en) * | 2016-07-04 | 2016-11-09 | 中国工程物理研究院应用电子学研究所 | A kind of repetition downfield axial C-band high-power pulsed ion beams |
| CN113286552A (en) * | 2018-11-28 | 2021-08-20 | 希斯托索尼克斯公司 | Histotripsy system and method |
| CN113852216A (en) * | 2021-10-21 | 2021-12-28 | 中国工程物理研究院应用电子学研究所 | High-efficiency repetition frequency pulse magnetic field system |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1133145A (en) * | 1979-05-04 | 1982-10-05 | Pal Vittay | Apparatus for supplying high power electric loads operated in a pulse-like manner, especially for x-ray equipments |
| DE19907484A1 (en) * | 1999-02-12 | 2000-08-31 | Deutsches Elektronen Synchr | Electric circuit for reducing reactions on a voltage source uses switches, e.g. in form of diodes or thyristors, to limit voltage on series resonant circuit capacitor to reference voltage |
| CN106098510A (en) * | 2016-07-04 | 2016-11-09 | 中国工程物理研究院应用电子学研究所 | A kind of repetition downfield axial C-band high-power pulsed ion beams |
| CN113286552A (en) * | 2018-11-28 | 2021-08-20 | 希斯托索尼克斯公司 | Histotripsy system and method |
| CN113852216A (en) * | 2021-10-21 | 2021-12-28 | 中国工程物理研究院应用电子学研究所 | High-efficiency repetition frequency pulse magnetic field system |
Non-Patent Citations (1)
| Title |
|---|
| 刘金亮: "一种结构紧凑重频高压 ns 脉冲电源的设计", 高电压技术, vol. 35, no. 1, 31 December 2009 (2009-12-31), pages 54 - 58 * |
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