CN112366973A - Repetition frequency inductive energy storage type large current source - Google Patents
Repetition frequency inductive energy storage type large current source Download PDFInfo
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- CN112366973A CN112366973A CN202011283932.3A CN202011283932A CN112366973A CN 112366973 A CN112366973 A CN 112366973A CN 202011283932 A CN202011283932 A CN 202011283932A CN 112366973 A CN112366973 A CN 112366973A
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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
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Abstract
The invention belongs to the technical field of electromagnetic emission, and provides a repetition frequency inductance energy storage type large current source which comprises a charging part and a discharging part; the positive pole of the primary power supply is connected with the cathode of the diode after passing through the switching device, the cathode of the diode is connected with one end of the inductor, the other end of the inductor is connected with the anode of the thyristor, and the other end of the inductor is connected with the switching device of the next stage; in analogy, the other end of the 5 th-level inductor is connected with the 6 th-level switching device, the 6 th-level inductor is connected with one end of the load, and the other end of the load is connected with the common anode of the six-level diode; the thyristors are connected in common cathode and connected to the negative pole of the primary power supply and one end of the load. The circuit is charged in series to the energy storage by the primary power supply, the plurality of discharging loops discharge to the load at the same time, the purpose of current multiplication is achieved, the energy requirement required by electromagnetic emission is met, meanwhile, the charging loops are charged by the primary power supply, the repeated frequency operation of the circuit is achieved, and the repeated utilization efficiency of the circuit can be improved.
Description
Technical Field
The invention relates to a heavy frequency inductive energy storage type heavy current source which is used for the launching of an electromagnetic rail gun and belongs to the technical field of electromagnetic launching.
Background
The electromagnetic emission technology plays a very important role in modern war, and the pulse power source providing energy for electromagnetic emission is an important component of an electromagnetic emission system, provides energy for a load, is also the foundation and the research focus of the electromagnetic emission technology, is characterized by high output power, large working voltage and large output pulse current, and has wide application in the fields of national defense and basic subjects, such as radar, controlled nuclear fusion, strong magnetic field, high-power laser and the like.
The pulse power supply system is generally divided into a primary power supply, an intermediate energy storage and pulse forming system and a conversion system. However, the low energy storage density of the primary power supply cannot meet the energy requirement of electromagnetic emission, so there is usually an intermediate energy storage part, and the common forms are capacitive energy storage, inductive energy storage and mechanical energy storage. Under the same power density condition, the energy storage density of the inductor is one order of magnitude higher than that of the capacitor, compared with mechanical energy storage, the inductor energy storage mode is flexible, static energy is stored, a cooling device is simple, configuration is easier to realize in daily research and stress application, in addition, the maintenance is convenient, and the service life is longer. Therefore, the inductive energy storage has larger application potential in the field of pulse power supplies.
Based on the series charging and parallel discharging principle, the series charging and parallel discharging type inductive energy storage pulse power supply is compact in structure and low in cost, and has obvious advantages in the aspects of cost, expandability and the like compared with other topological structures. Has good research and application prospect.
An integrated Gate Commutated thyristor (igct) is a new type of power semiconductor switching device developed for a large power electronic package. The IGCT integrates a GTO chip with an anti-parallel diode and a gate driver circuit, and is connected with the gate driver of the GTO chip in a low-inductance mode at the periphery, combines the advantages of the stable turn-off capability and the low-pass loss of a transistor, and plays the performance of the thyristor in the turn-on stage, and the turn-off stage presents the characteristics of the transistor. Meanwhile, the circuit has the characteristics of large current, high blocking voltage, high switching frequency, high reliability, compact structure, low conduction loss and the like, and has low cost, high yield and good application prospect. IGCT makes the converter make great progress in power, reliability, switching speed, efficiency, cost, weight and volume, and brings new leap to the complete set of power electronic devices. The medium power industrial drive (5MW) which is used for the power system power grid device (100MVA) and the power system power grid device, because the high-speed switching capability of the IGCT does not need a buffer circuit, the number of required power elements is less, and the operation reliability is greatly improved.
Disclosure of Invention
The invention provides a heavy frequency inductive energy storage type large current source.
The technical scheme of the invention is as follows:
a heavy frequency inductance energy storage type large current source comprises a charging part and a discharging part; the positive pole of the primary power supply is connected with the cathode of the diode after passing through the switching device, the cathode of the diode is connected with one end of the inductor, the other end of the inductor is connected with the anode of the thyristor, and the other end of the inductor is connected with the switching device of the next stage; in analogy, the other end of the 5 th-level inductor is connected with the 6 th-level switching device, the 6 th-level inductor is connected with one end of the load, and the other end of the load is connected with the common anode of the six-level diode; the thyristors are connected in common cathode and connected to the negative pole of the primary power supply and one end of the load.
The invention has the beneficial effects that:
the circuit is charged in series to the energy storage by the primary power supply, the plurality of discharging loops discharge to the load at the same time, the purpose of current multiplication is achieved, the energy requirement required by electromagnetic emission is met, meanwhile, the charging loops are charged by the primary power supply, the repeated frequency operation of the circuit is achieved, and the repeated utilization efficiency of the circuit can be improved.
Drawings
Fig. 1 is a schematic diagram of the structure of the heavy frequency inductive energy storage type large current source circuit.
In the figure: 110 is the primary power supply, 101, 105, 109, 113, 117, 121 are IGCT devices used as switches, 102, 106, 110, 114, 118, and 122 are diodes, 104, 108, 112, 116, and 120 are thyristors, 103, 105, 107, 111, 115, 119, and 123 are energy storage inductors, and 124 is an electromagnetic orbitrap load.
Detailed Description
The invention is further described below with reference to the accompanying drawings and specific embodiments.
The invention provides a heavy frequency inductive energy storage type large-current power supply circuit structure which is composed of a charging part and a discharging part, and is shown in figure 1. The anode of the primary power source 110 is connected to the cathode of the diode 102 through the switching device 101, the cathode of the diode 102 is connected to one end of the inductor 103, the other end of the inductor 103 is connected to the anode of the thyristor 104, and the other end of the inductor 103 is connected to the switching device 105 of the next stage. And so on, the other end of the 5 th stage inductor 119 is connected to the 6 th stage switch 121, the 6 th stage inductor 123 is connected to one end of the load, and the other end of the load is connected to the common anode of the diodes 102, 106, 110, 114, 118, and 122. Thyristors 104, 108, 112, 116, and 120 are connected at a common cathode connection to the negative terminal of primary power supply 110 and one end of the load.
The switching device in the invention selects the IGCT as the switching device, the IGCT combines the advantages of the GTO and the thyristor, not only has the advantages of the thyristor of stable turn-off capability and low-pass loss of the thyristor, but also has the characteristics of large GTO current, high blocking voltage, high switching frequency, high reliability, compact structure, low conduction loss and the like, and has the characteristics of low cost and high yield, thus meeting the requirements of circuits.
The charging and discharging portions of the current source are described separately below.
The charging loop is composed of the primary power supply 110, a switching device and an inductor. When the switch is closed, the primary power supply 110 charges the energy storage inductor, storing electrical energy in the inductor device. After the inductive current gradually increases and rises to a specified value, all the switching devices are turned off, the thyristor is turned on, and the discharge loop enters the next discharge stage.
The discharge circuit consists of 6 individual discharge circuits. Each individual discharge loop is made up of an energy storage inductor, a thyristor, a load 124, and a diode. The 6 discharge loops discharge to the load 124 at the same time, thereby achieving the purpose of current multiplication. The energy stored in the inductor is released to the load. One charge-discharge loop is ended.
When each discharge is finished, the energy storage inductor is timely charged to a rated value through the primary power supply 110 when waiting for the next pulse trigger, so that the switch is triggered when the next pulse comes, the energy storage inductor discharges, and the repeated frequency operation of the circuit is realized.
Claims (1)
1. A kind of heavy frequency inductance energy storage type heavy current source, characterized by that, the heavy frequency inductance energy storage type heavy current source includes charging part and discharge part two parts; the positive pole of the primary power supply is connected with the cathode of the diode after passing through the switching device, the cathode of the diode is connected with one end of the inductor, the other end of the inductor is connected with the anode of the thyristor, and the other end of the inductor is connected with the switching device of the next stage; in analogy, the other end of the 5 th-level inductor is connected with the 6 th-level switching device, the 6 th-level inductor is connected with one end of the load, and the other end of the load is connected with the common anode of the six-level diode; the thyristors are connected in common cathode and connected to the negative pole of the primary power supply and one end of the load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283932.3A CN112366973A (en) | 2020-11-14 | 2020-11-14 | Repetition frequency inductive energy storage type large current source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283932.3A CN112366973A (en) | 2020-11-14 | 2020-11-14 | Repetition frequency inductive energy storage type large current source |
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| Publication Number | Publication Date |
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| CN112366973A true CN112366973A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011283932.3A Withdrawn CN112366973A (en) | 2020-11-14 | 2020-11-14 | Repetition frequency inductive energy storage type large current source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094821A (en) * | 2021-11-22 | 2022-02-25 | 核工业西南物理研究院 | Capacitor energy storage type pulse step current generation power supply |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1705795A2 (en) * | 2005-03-24 | 2006-09-27 | Deutsch-Französisches Forschungsinstitut Saint-Louis | XRAM generator with opening switch |
| CN102594195A (en) * | 2012-03-26 | 2012-07-18 | 清华大学 | Inductance energy storage type pulse power supply used for electromagnetic emission |
| CN103546056A (en) * | 2013-10-15 | 2014-01-29 | 西北核技术研究所 | XRAM pulse generation circuit |
| CN105897033A (en) * | 2016-06-02 | 2016-08-24 | 清华大学 | Capacitor multiplexing type inductive energy-storage type pulse power supply used for electromagnetic emission |
-
2020
- 2020-11-14 CN CN202011283932.3A patent/CN112366973A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1705795A2 (en) * | 2005-03-24 | 2006-09-27 | Deutsch-Französisches Forschungsinstitut Saint-Louis | XRAM generator with opening switch |
| CN102594195A (en) * | 2012-03-26 | 2012-07-18 | 清华大学 | Inductance energy storage type pulse power supply used for electromagnetic emission |
| CN103546056A (en) * | 2013-10-15 | 2014-01-29 | 西北核技术研究所 | XRAM pulse generation circuit |
| CN105897033A (en) * | 2016-06-02 | 2016-08-24 | 清华大学 | Capacitor multiplexing type inductive energy-storage type pulse power supply used for electromagnetic emission |
Non-Patent Citations (1)
| Title |
|---|
| DO˘GA CEYLAN等: ""A Comparative Study of Capacitive and Inductive Pulsed Power Supply Topologies for Electromagnetic Launcher Applications"", 《2019 INTERNATIONAL AEGEAN CONFERENCE ON ELECTRICAL MACHINES AND POWER ELECTRONICS (ACEMP) & 2019 INTERNATIONAL CONFERENCE ON OPTIMIZATION OF ELECTRICAL AND ELECTRONIC EQUIPMENT (OPTIM)》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094821A (en) * | 2021-11-22 | 2022-02-25 | 核工业西南物理研究院 | Capacitor energy storage type pulse step current generation power supply |
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Application publication date: 20210212 |
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