CN105897033A - Capacitor multiplexing type inductive energy-storage type pulse power supply used for electromagnetic emission - Google Patents
Capacitor multiplexing type inductive energy-storage type pulse power supply used for electromagnetic emission Download PDFInfo
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- CN105897033A CN105897033A CN201610387943.3A CN201610387943A CN105897033A CN 105897033 A CN105897033 A CN 105897033A CN 201610387943 A CN201610387943 A CN 201610387943A CN 105897033 A CN105897033 A CN 105897033A
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- power supply
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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
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Abstract
The invention discloses a capacitor multiplexing type inductive energy-storage type pulse power supply used for electromagnetic emission, and belongs to the technical field of electromagnetic emission. The pulse power supply comprises a primary power supply US, a first inductor L1, a second inductor L2, a capacitor C, a first thyristor T1, a second thyristor T2, a third thyristor T3 and a diode D, wherein the first inductor L1 and the second inductor L2 are in strong coupling. Through the trigger control of the second thyristor T2 and the third thyristor T3, the capacitor C can perform the functions of switching off the thyristor T1, collecting the leakage inductance energy and generating load current secondary peak. Through improvement on the existing STRETCH meat grinder circuit topology and the STRETCH meat grinder with ICCOS circuit topology, the pulse power supply realizes the advantages of simple structure, low cost, higher charging-discharging current amplitude values and energy-storage levels, automatic recovery of capacitor voltage, absence of second-order negative half wave on the load current, high expandability an the like, so that the pulse power supply is suitable for being used as the inductive energy-storage type pulse power supply used for electromagnetic emission.
Description
Technical field
The present invention relates to a kind of electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching, belong to ELECTROMAGNETIC LAUNCH TECHNOLOGY neck
Territory.
Background technology
Electromagnetic Launching is to accelerate the emerging technology of object with electromagnetic force.Compared with legacy transmission technology, Electromagnetic Launching has can dose-effect
The advantages such as rate height, control accuracy height and fast response time.Along with science and technology (particularly Computer Control Technology and power electronics
Technology) development, the practicalization of ELECTROMAGNETIC LAUNCH TECHNOLOGY is constantly accelerated.
Electromagnetic launch system typically by emitter, be launched assembly and the pulse power is constituted.The pulse power is it is generally required at Millisecond
Megampere level pulse current and million burnt grade pulse energies were provided in the time.For Electromagnetic Launching the pulse power typically by primary source,
Intermediate energy storage link and pulse forming network three part are constituted.Primary source charges for intermediate energy storage link in a long time, fills
After electricity completes, intermediate energy storage link transfers energy to pulse forming network within a short period of time, and pulse forming network is by fast
Speed compressing and converting is to load output high-power pulse current.
For intermediate energy storage link, common stored energy form has capacitance energy storage, inductive energy storage and mechanical energy storage.Capacitance energy storage
Being the stored energy form being most widely used at present, major advantage is that principle is simple, technology maturation, control are easy and cost is relatively low etc.,
Major defect is that energy storage density is low, system bulk is big.The shortcoming that energy storage density is low largely limits capacitance energy storage in reality
Application in system.The Typical Representative of mechanical energy storage is the impulse generator group with rotating machinery as core component, and major advantage is
Energy storage density is high, and major defect is structure complexity, cooling difficulty and disposably stores repeatedly emitted energy.Inductive energy storage is in recent years
The study hotspot come, major advantage be that energy storage density is higher, structure is relatively simple and cooling easily, major defect be change of current difficulty,
Coil loss is higher.
Research in new high-tech institute (the Institute of Texas ,Usa university Austin (University of Texas at Austin)
For Advanced Technology) proposed STRETCH meat grinder circuit topology in 2005, its schematic diagram is as schemed
Shown in 1, it is by primary source US, close coupling inductance L1、L2, electric capacity C, supervisor switch S, IGCT T and diode D1、
D2Constitute.Circuit work process is as follows: Guan Bi supervisor switch S, primary source USFor inductance L1、L2Charging；When inductance fills
After electricity electric current rises to designated value, disconnect supervisor switch S, according to magnetism chain conservation principle, inductance L1Electric current will reduce rapidly,
Inductance L2Electric current will increase rapidly, meanwhile, and diode D1Conducting, leakage inductance energy passes through L1–D2Load C D1–L1Loop turns
Move in electric capacity C, diode D2Conducting, load obtains high power pulse electric current；Afterwards, at suitable time trigger IGCT
T turns on, and the energy stored in electric capacity C will load D by C2–L1T C loop is to load release so that it is obtain second order arteries and veins
Rush electric current.It is little that the major advantage of STRETCH meat grinder circuit topology is that supervisor switch S bears pressure drop；Major defect
It is that supervisor switch S must use full-control type semiconductor device integrated gate commutated thyristor IGCT, involves great expense, through-flow
Ability and forward and reverse pressure drop ability to bear are not enough.This shortcoming is while improving cost, and the further of system for restricting energy level is improved.
Tsing-Hua University of China department of electrical engineering proposed STRETCH meat grinder with ICCOS circuit topology in 2012, its
Schematic diagram is as in figure 2 it is shown, it is by primary source US, close coupling inductance L1、L2, electric capacity C1, electric capacity C2, IGCT T1、
T2、T3With diode D1、D2Constitute.Circuit work process is as follows: trigger IGCT T1Conducting, primary source USFor inductance
L1、L2Charging；After charging current rises to designated value, trigger IGCT T2Conducting, electric capacity C2(preliminary filling energy) leads to
Cross C2–T2–L1–L2Load C2Electric discharge, IGCT T1Because of current over-zero and bear back-pressure and turn off；Afterwards, electric capacity C2Energy storage
Exhaust, IGCT T2Because of current over-zero and bear back-pressure and turn off, diode D1、D2Conducting, leakage inductance energy passes through L1–D2–
Load C1–D1–L1Loop is transferred to electric capacity C1In；At suitable time trigger IGCT T3Conducting, electric capacity C1Middle storage
Energy passes through C1Load D2–L1–T3–C1Loop is to load release so that it is obtain Second Order Impulsive electric current.STRETCH meat
The major advantage of grinder with ICCOS circuit topology is to be responsible for T1Use IGCT, cheap, through-current capability and just
Direction pressure drop ability to bear is stronger；Major defect is to need to introduce electric capacity C2With IGCT T2, and need to electric capacity C2In advance
Fill energy.This shortcoming makes circuit structure more complicated, and volume is huger, and energy storage density is lower, cost is higher, it is more tired to control
Difficult.
Summary of the invention
The purpose of the present invention is to propose to a kind of electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching, by existing
STRETCH meat grinder circuit topology and STRETCH meat grinder with ICCOS circuit topology improve,
Merge the two advantage so that it is there is simple in construction, with low cost, charging and discharging currents amplitude and energy storage energy level is higher, capacitance voltage
Automatically recover, load current bears the advantages such as half-wave, extensibility are good without second order.
Technical scheme is as follows:
A kind of electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching, this electric capacity multiplexing type inductive energy storage type pulse electricity
Source includes primary source US, the first inductance L1, the second inductance L2, electric capacity C, the first IGCT T1, the second IGCT T2、
3rd IGCT T3With diode D；Wherein, the first inductance L1With the second inductance L2Close coupling each other, it is characterised in that: institute
The primary source U statedSPositive pole and the first IGCT T1Anode be connected；The first described IGCT T1Negative electrode, second
IGCT T2Negative electrode and the 3rd IGCT T3Anode and the first inductance L1One end be connected；The first described inductance L1's
The other end and the second inductance L2One end be connected with the negative electrode of diode D, and the first inductance L1With the second inductance L2Connection
Relation is that Same Name of Ends connects along series winding；The second described inductance L2The other end and one end of electric capacity C, primary source USNegative pole
It is connected with one end of load；The other end of described electric capacity C and the second IGCT T2Anode and the 3rd IGCT T3The moon
Pole is connected；The described anode of diode D is connected with the other end of load.
The electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching that the present invention proposes, has the following advantages and salience
Technique effect: 1. the present invention propose the electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching, compared to based on
The pulse power of STRETCH meat grinder circuit topology, using IGCT replacement IGCT as supervisor, drops significantly
Low cost, improves the through-current capability of supervisor and the further raising of forward and reverse pressure drop ability to bear, beneficially system energy level.
2. the electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching that the present invention proposes, compared to based on STRETCH
The pulse power of meat grinder with ICCOS circuit topology, eliminates adverse current branch road, saves a pulsed capacitance and one
Diode.This makes, and the structure of the pulse power is the simplest, cost is the cheapest, volume is more simplified, and beneficially system is overall
The further raising of energy storage density.3. the electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching that the present invention proposes,
Compared to the pulse power based on STRETCH meat grinder circuit topology with based on STRETCH meat grinder with
The pulse power of ICCOS circuit topology, by appropriate circuit design and change road control so that load current bears half-wave without second order,
Be conducive to the further raising of discharging efficiency.4. the electric capacity multiplexing type inductive energy storage type pulse for Electromagnetic Launching that the present invention proposes
Power supply, by appropriate circuit design and change road control so that capacitance voltage can recover automatically, eliminates multiple discharge process
Being carried out continuously of middle electric capacity preliminary filling this steady link, beneficially Electromagnetic Launching.
Accompanying drawing explanation
Fig. 1 is the STRETCH meat grinder circuit topology that in prior art, The University of Texas at Austin of the U.S. proposes
Schematic diagram.
Fig. 2 is that the STRETCH meat grinderwith ICCOS circuit that in prior art, Tsing-Hua University of China department of electrical engineering proposes is opened up
The schematic diagram flutterred.
Fig. 3 is the circuit topology figure of the electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching that the present invention proposes.
Fig. 4 be the present invention propose in the charge and discharge process of the electric capacity multiplexing type inductive energy storage type pulse power of Electromagnetic Launching
One inductive current, the second inductive current and the waveform diagram of load current.
Fig. 5 is the electricity in the charge and discharge process of the electric capacity multiplexing type inductive energy storage type pulse power of Electromagnetic Launching that the present invention proposes
Hold voltage and the waveform diagram of supervisor's (the i.e. first IGCT) both end voltage.
Detailed description of the invention
The electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching that the present invention proposes, including primary source US, first
Inductance L1, the second inductance L2, electric capacity C, the first IGCT T1, the second IGCT T2, the 3rd IGCT T3With diode D；
Wherein, the first inductance L1With the second inductance L2Close coupling each other；Described primary source USPositive pole and the first IGCT T1
Anode be connected；The first described IGCT T1Negative electrode, the second IGCT T2Negative electrode and the 3rd IGCT T3Anode
With the first inductance L1One end be connected；The first described inductance L1The other end and the second inductance L2One end and diode D
Negative electrode be connected；The second described inductance L2The other end and one end of electric capacity C, primary source USNegative pole and load
One end is connected；The other end of described electric capacity C and the second IGCT T2Anode and the 3rd IGCT T3Negative electrode be connected；
The described anode of diode D is connected with the other end of load；Particularly, the first described inductance L1With the second inductance L2
Annexation to be Same Name of Ends connect along series winding.
In the inductive energy storage type pulse power supply circuit for Electromagnetic Launching that the present invention proposes, the first inductance L1Should be than the second inductance
L2Inductance value is big, and concrete multiple is determined by system energy level and charging and discharging currents amplification demand；Second inductance L2Internal resistance should to the greatest extent may be used
Can be little, to realize bigger current amplification factor and higher system effectiveness；It is it desired to reduce supervisor two ends spike electricity as far as possible
Pressure, then the first inductance L1With the second inductance L2Between the coefficient of coup should relatively big (higher than 0.95), electric capacity C capacitance should be relatively
Greatly；It is it desired to increase capacitance voltage as far as possible and recovers ratio, then the first inductance L1With the second inductance L2Between the coefficient of coup should
When less (between 0.85 and 0.9), capacitance should be the least on the premise of meeting self resistance to pressure request for electric capacity C；
Electric capacity C needs to carry out preliminary filling, and pre-charge pressure should be above the primary source voltage of induction charging process finish time in theory, real
In border, pre-charge pressure can be with 1.5 times of the primary source voltage of power taking sense charging process start time；When electric capacity C capacitance chooses conjunction
Suitable, it is possible to achieve voltage recovers automatically, in follow-up (after Yi Ci) charge and discharge process, it is not necessary to carry out pre-to electric capacity C again
Fill；Primary source preferably selects the adjustable high-voltage DC power supply of voltage, makes it will tie in induction charging process by programme-control
Output voltage is reduced, to realize the first IGCT T during bundle1Reliable turn-off；First IGCT T1Quick recovery-type should be used
IGCT, to ensure reliable turn-off；Second IGCT T2, the 3rd IGCT T3Triode thyristor can be used, to reduce cost；
First IGCT T1, the second IGCT T2, the 3rd IGCT T3Should be above with through-current capability and the voltage endurance capability of diode D
The maximum current of each device and ceiling voltage under system nominal energy level, it is proposed that carry out preanalysis by circuit simulation.
Below in conjunction with accompanying drawing 3, accompanying drawing 4 and accompanying drawing 5, electric capacity composite electricity for Electromagnetic Launching that the present invention propose is discussed in detail
The work process of sense accumulation energy type pulse power supply circuit, can be divided into following six working stage.
(assuming that electric capacity C has completed preliminary filling)
First stage, induction charging.
Trigger the first IGCT T1Conducting, primary source USIt is the first inductance L1, the second inductance L2Charging；When induction charging electricity
After stream rises to designated value, trigger the second IGCT T2Turning on, the first stage terminates.
Second stage, supervisor's adverse current and inductance continue charging.
Trigger the second IGCT T2Conducting, electric capacity C electric current increases to rapidly induction charging electric current, the first IGCT T1Because of electric current mistake
Zero and bear back-pressure and turn off；Electric capacity C continues as the first inductance L afterwards1, the second inductance L2Charging, until its preliminary filling energy is complete
Fully-depleted, diode D turns on, and second stage terminates.
Phase III, the second inductive current multiplication and leakage inductance energy are collected.
Diode D turns on, and the first inductive current reduces rapidly, and the second inductive current increases rapidly, and load current is the rapidest
Increasing, current multiplication process follows magnetism chain conservation principle, and current amplification factor is hindered by inductance ratio, inductive coupling coefficient and loop
Value together decides on；Leakage inductance energy passes through L1D load C T2–L1Loop is collected by electric capacity C, until the second IGCT T2Electric current
Zero passage is also born back-pressure and is turned off, and the phase III terminates.
Fourth stage, single order discharges.
Second IGCT T2Turning off, the second inductance is directly to load discharge, owing to load is typically the load of little resistance sense, this stage
Follow RL firstorder circuit discharging law.At suitable time trigger the 3rd IGCT T3Conducting, fourth stage terminates.
In 5th stage, second order discharges.
Trigger the 3rd IGCT T3Conducting, the leakage inductance energy collected by electric capacity C loads D L by C1–T3C loop is to load
Electric discharge, produces two secondary peaks of load current, and this stage follows RLC second-order circuit discharging law.Afterwards, the 3rd IGCT
T3Current over-zero also bears back-pressure and turns off, and the 5th stage terminated.
In 6th stage, single order discharges.
3rd IGCT T3Turning off, the second inductance is directly to load discharge, and this stage is identical with fourth stage.Diode D electricity
Stream is down to zero, and the 6th stage terminated.
If additionally, the 3rd IGCT T3The triggering and conducting moment be precisely finish time phase III (or slightly shifting to an earlier date), then
Four stages will be skipped, and be directly entered for the 5th stage.
Claims (1)
1. for an electric capacity multiplexing type inductive energy storage type pulse power for Electromagnetic Launching, this electric capacity multiplexing type inductive energy storage type pulse power
Including primary source US, the first inductance L1, the second inductance L2, electric capacity C, the first IGCT T1, the second IGCT T2,
Three IGCT T3With diode D；Wherein, the first inductance L1With the second inductance L2Close coupling each other, it is characterised in that: described
Primary source USPositive pole and the first IGCT T1Anode be connected；The first described IGCT T1Negative electrode, second brilliant
Brake tube T2Negative electrode and the 3rd IGCT T3Anode and the first inductance L1One end be connected；The first described inductance L1Another
One end and the second inductance L2One end be connected with the negative electrode of diode D, and the first inductance L1With the second inductance L2Connection close
System connects along series winding for Same Name of Ends；The second described inductance L2The other end and one end of electric capacity C, primary source USNegative pole and
One end of load is connected；The other end of described electric capacity C and the second IGCT T2Anode and the 3rd IGCT T3Negative electrode
It is connected；The described anode of diode D is connected with the other end of load.
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| CN201610387943.3A CN105897033B (en) | 2016-06-02 | 2016-06-02 | A kind of capacitance multiplexing type inductive energy storage type pulse power for Electromagnetic Launching |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222123A (en) * | 2017-05-17 | 2017-09-29 | 清华大学 | A kind of multistage inductive energy storage type pulse power of electric capacity multiplexing type |
| CN107302322A (en) * | 2017-07-31 | 2017-10-27 | 清华大学 | Impulse circuit, the pulse power and electromagnetic launch system |
| CN107947571A (en) * | 2017-11-14 | 2018-04-20 | 上海斐讯数据通信技术有限公司 | A kind of DC DC Switching Power Supplies and its inductance are uttered long and high-pitched sounds removing method |
| CN108322081A (en) * | 2018-03-09 | 2018-07-24 | 青海大学 | High-voltage pulse output circuit, method and tail gas remove equipment |
| CN111684701A (en) * | 2018-02-07 | 2020-09-18 | 沃思电子埃索斯有限责任两合公司 | Device for obtaining electric energy and energy generator comprising such a device |
| CN112366973A (en) * | 2020-11-14 | 2021-02-12 | 大连理工大学 | Repetition frequency inductive energy storage type large current source |
| CN112398362A (en) * | 2019-08-14 | 2021-02-23 | 清华大学 | Capacitor self-charging pulse power supply circuit and pulse power supply |
| CN112491265A (en) * | 2020-11-14 | 2021-03-12 | 大连理工大学 | Repetition frequency n-level inductance energy storage type large-current power supply circuit structure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222123A (en) * | 2017-05-17 | 2017-09-29 | 清华大学 | A kind of multistage inductive energy storage type pulse power of electric capacity multiplexing type |
| CN107222123B (en) * | 2017-05-17 | 2020-04-17 | 清华大学 | Capacitor multiplexing type multistage inductance energy storage type pulse power supply |
| CN107302322A (en) * | 2017-07-31 | 2017-10-27 | 清华大学 | Impulse circuit, the pulse power and electromagnetic launch system |
| CN107947571A (en) * | 2017-11-14 | 2018-04-20 | 上海斐讯数据通信技术有限公司 | A kind of DC DC Switching Power Supplies and its inductance are uttered long and high-pitched sounds removing method |
| CN111684701A (en) * | 2018-02-07 | 2020-09-18 | 沃思电子埃索斯有限责任两合公司 | Device for obtaining electric energy and energy generator comprising such a device |
| CN108322081A (en) * | 2018-03-09 | 2018-07-24 | 青海大学 | High-voltage pulse output circuit, method and tail gas remove equipment |
| CN108322081B (en) * | 2018-03-09 | 2019-08-27 | 青海大学 | High-voltage pulse output circuit, method and tail gas remove equipment |
| CN112398362A (en) * | 2019-08-14 | 2021-02-23 | 清华大学 | Capacitor self-charging pulse power supply circuit and pulse power supply |
| CN112366973A (en) * | 2020-11-14 | 2021-02-12 | 大连理工大学 | Repetition frequency inductive energy storage type large current source |
| CN112491265A (en) * | 2020-11-14 | 2021-03-12 | 大连理工大学 | Repetition frequency n-level inductance energy storage type large-current power supply circuit structure |
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