CN110098664A - The electronic switch for crossing split-phase for ground wirelessly takes energy circuit and passing phase insulator device - Google Patents
The electronic switch for crossing split-phase for ground wirelessly takes energy circuit and passing phase insulator device Download PDFInfo
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- CN110098664A CN110098664A CN201810097133.3A CN201810097133A CN110098664A CN 110098664 A CN110098664 A CN 110098664A CN 201810097133 A CN201810097133 A CN 201810097133A CN 110098664 A CN110098664 A CN 110098664A
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Classifications
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
Abstract
The present invention discloses that a kind of electronic switch for crossing split-phase for ground wirelessly takes can circuit and ground passing phase insulator device, it includes sequentially connected power conversion module that this, which takes energy circuit, wireless power transmission module and take can module, the feeder ear of the output end and electronic switch that take energy module connects, power conversion module accesses low-voltage alternating current power supply, after being converted to required single-phase high frequency alternating current, it exports and gives wireless power transmission module, the single-phase high frequency alternating current received is wirelessly transmitted to by wireless power transmission module takes energy module, by the control circuit power supply for taking energy module electron switch.The present invention has structure simple, required at low cost, can be realized the advantages that electronic switch control circuit wireless transmission takes energy, improves the security reliability of power supply.
Description
Technical field
The present invention relates to electric railway traction power supply technique field more particularly to a kind of electronics that split-phase is crossed for ground
Switch wirelessly takes can circuit and passing phase insulator device.
Background technique
Electric railway at present is to exchange 27.5kV power supply system using single phase industrial frequence, and single-phase traction load can be in three-phase
Electric system side generates serious negative-sequence current, will affect power plant generator normal operation, reduces the conveying capacity of power network,
To solve this problem, by connecting adjacent traction substation commutation, so that traction substation carries out commutation in turn to contact net
The supply arm phase of power supply mode, difference power supply section is different, thus differential gap is arranged at the split-phase of adjacent net-fault, neutral
It is separated between line supply arm different from two using neutral section insulator or overlap, as electric split-phase, makes contact net is each alternate to adopt
Divided with insulant, to realize alternate electrical isolation.
The presence of electric split-phase can make troubles to train operation, and electric split-phase is mechanically for the train of high-speed cruising
Hard spot, influence system operation reliability, and there are short supply interruptions when by electric phase-separating section for train, and train power-off can be to fortune
Row reliability brings hidden danger, and speed loss can be also brought to train, and speed loss is especially serious for the heavy haul train of mountain area,
It is easy to cause slope to stop, thus also brings difficulty to the addressing of phase-separating section, train crosses the opening/closing process of switch during split-phase also
Over-voltage and overcurrent can be generated, brings impact to mobile unit, it even can burning apparatus when serious.
It is domestic at present mainly to be powered off using vehicle-mounted automatic passing over of neutral section mode through the non-Electric region, but such mode can be made
At the tractive force forfeiture and speed loss of train, especially in some high gradient (such as the gradient is greater than 30%) sections, above-mentioned influence is outstanding
To be serious, and China express railway has the characteristics that scale is big, distance, and the mistake phase separation point of long stroke bullet train is more, above-mentioned
Vehicle-mounted split-phase scheme of crossing cannot compress runing time, and the dimension of bullet train since train dynamics are lost obviously to the maximum extent
It protects heavy workload, safeguard that idle time is long, be unable to satisfy the operation demand of high-speed railway.Ground automatic passing over of neutral section be by across
It connects the floor switches between neutral section and supply arm and is switched to neutral section power supply, the neutral Duan Wu electricity time is short, and train is without speed
Degree loss, while main circuit breaker is failure to actuate on vehicle, reduces open and close times, can extend the service life of main circuit breaker, can be solved
Certainly above-mentioned vehicle-mounted automatic passing over of neutral section mode there are the problem of.
Traditional ground automatic neutral-section passing device is as shown in Figure 1, setting differential gap, differential gap and power supply at contact phase separation
It is isolated between arm using neutral section insulator JY1, JY2, bridges floor switches V1, V2 respectively on JY1, JY2, in train row
It sails and at least three train position sensors is installed on route, floor switches V1, V2 are controlled according to the signal of position sensor, to cut
Two supply arms are changed as differential gap power supply, wherein floor switches V1, V2 uses the electronic switch of thyristor, uses electronic switch
Long service life, high reliablity, and controllability is strong, fast response time, can accurately control opening/closing angle, inhibit overvoltage and
It shoves problem.It is usually all directly by low-tension supply when thyristor controlled series compensation takes electricity but in above-mentioned ground automatic neutral-section passing device
It is supplied to switch power supply after being converted, thus is directly connected to before low-tension supply and high potential control circuit board, takes the peace of electricity
Full reliability is low, influences the stable execution that train crosses split-phase.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
Kind structure is simple, required at low cost, can be realized electronic switch wireless transmission and takes energy, improves being used for for the security reliability of power supply
The electronic switch that split-phase is crossed on ground wirelessly takes can circuit and passing phase insulator device.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of electronic switch that crossing split-phase for ground wirelessly take can circuit, including sequentially connected power conversion module,
Wireless power transmission module and take can module, it is described take can module output end and electronic switch control circuit connect, institute
Power conversion module access low-voltage alternating current power supply is stated, after being converted to required single-phase high frequency alternating current, is exported to the radio
Can transmission module, the single-phase high frequency alternating current received is wirelessly transmitted to and described takes energy by the wireless power transmission module
Module is powered by the control circuit for taking energy module electron switch.
Further improvement as circuit of the present invention: the wireless power transmission module includes coupling circuit, by described
The single-phase high frequency alternating current is wirelessly transferred by coupling circuit.
Further improvement as circuit of the present invention: the coupling circuit are specially resonant coupling circuit, the resonance coupling
Closing circuit includes the first resonant element, transmitting coil, receiving coil and the second resonant element, and the transmitting coil connects with described
It is of coupled connections between take-up circle by resonance, the transmitting coil passes through first resonant element and the power conversion module
Connection, the receiving coil take energy module to connect by second resonant element with described.
Further improvement as circuit of the present invention: first resonant element, the second resonance circuit respectively include resonance
Inductance and resonant capacitance.
Further improvement as circuit of the present invention: the wireless power transmission module is specially high-frequency magnetic circuit, is led to
It crosses the high-frequency magnetic circuit and is wirelessly transferred the single-phase high frequency alternating current based on magnet ring.
Further improvement as circuit of the present invention: two output ends of the wireless power transmission module are to be shorted.
Further improvement as circuit of the present invention: two output ends of the wireless power transmission module pass through high-voltage electricity
Cable is shorted.
Further improvement as circuit of the present invention: it is described that energy module is taken to specifically include more than one current transformer,
Each current transformer is connect with the control circuit of an electronic switch, by each current transformer by the nothing
The electric energy of line electric energy transmission module transmission is supplied to the control circuit of corresponding electronic switch.
Further improvement as circuit of the present invention: the power conversion module includes high-frequency constant current source；The high frequency
Constant-current supply includes sequentially connected AC/DC rectification circuit, DC bus capacitor C0, DC/AC inverter circuit, pass through the DC side
Capacitor C0Stable DC side voltage and progress energy stores.
Further improvement as circuit of the present invention: the output end of the high-frequency constant current source is provided with for adjusting output
The impedance Z of size of current.
Further improvement as circuit of the present invention: the electronic switch be specially thyristor switch, field-effect tube and
It is one of silicon-controlled.
The present invention further provides a kind of ground passing phase insulator devices, including are connected between two supply arms and neutral section
Two electronic switches, carry out commutation switchings by two electronic switches of control, further include that such as above-mentioned wirelessly take can electricity
Road, by it is described wirelessly take can circuit be respectively each electronic switch control circuit power.
Compared with the prior art, the advantages of the present invention are as follows:
1) electronic switch of the present invention wirelessly take can circuit, by setting power conversion module, wireless power transmission module with
And energy module is taken, outer low pressure AC power source is wireless by electric energy by wireless power transmission module after power conversion module is converted
Be transferred to the control circuit of electronic switch, can be realized electronic switch wirelessly take can, outer low pressure AC power source and high potential
Without direct electrical link between electronic switch control circuit, effectively increase low-voltage power supply with high potential control circuit
Electrical isolation intensity improves insulation performance, guarantees the safety and reliability of power supply.
2) electronic switch of the present invention wirelessly takes energy circuit, is wirelessly passed single-phase high frequency alternating current by coupling circuit
It is defeated, to realize the wireless transmission of electric energy using coupled characteristic, realize that structure is simple and at low cost, and can satisfy high efficiency electric energy
The demand of transmission；Further coupling circuit use the resonant coupling circuit including a pair of of coupling coil, high-frequency constant current source frequency
Resonance between transmitting coil and receiving coil can just coupled, thus realizes that electric energy wirelessly passes by resonant coupling circuit
It is defeated, it can use the resonance coupled characteristic between coil, realize that energy transmission efficiency maximizes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional ground automatic neutral-section passing device.
Fig. 2 is the structural principle signal that the embodiment of the present invention 1 wirelessly takes energy circuit for the electronic switch that split-phase is crossed on ground
Figure.
Fig. 3 is the specific structure signal that the embodiment of the present invention 1 wirelessly takes energy circuit for the electronic switch that split-phase is crossed on ground
Figure.
Fig. 4 is the specific structure signal that the embodiment of the present invention 2 wirelessly takes energy circuit for the electronic switch that split-phase is crossed on ground
Figure.
Fig. 5 is the structural schematic diagram of 3 ground passing phase insulator device of the embodiment of the present invention.
Marginal data: 1, power conversion module；2, wireless power transmission module；3, taking can module.
Specific embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
Embodiment 1:
As shown in Fig. 2, it includes sequentially connected that the present embodiment, which wirelessly takes energy circuit for the electronic switch that split-phase is crossed on ground,
Power conversion module 1, wireless power transmission module 2 and take can module 3, take can module 3 output end and electronic switch control
Circuit connection processed, power conversion module 1 access low-voltage alternating current power supply, after being converted to required single-phase high frequency alternating current, export to
Wireless power transmission module 2, the single-phase high frequency alternating current received is wirelessly transmitted to by wireless power transmission module 2 takes energy module
3, by taking the control circuit of energy 3 electron of module switch to power.
The present embodiment is wirelessly passed electric energy through wireless power transmission module 2 by above structure, outer low pressure AC power source
It is defeated by the control circuit of electronic switch, realizes that electronic switch wirelessly takes energy, the electronic cutting of outer low pressure AC power source and high potential
Close between control circuit without direct electrical link, effectively increase low-voltage power supply with high potential control circuit it is electrical every
From intensity, the safety and reliability of insulation performance and power supply can be improved, to guarantee that the reliability of split-phase is crossed on ground.
As shown in figure 3, power conversion module 1 specifically uses high-frequency constant current source in the present embodiment, by high-frequency constant current source
External power frequency AC AC380V is accessed, exports high frequency Constant Electric Current after over commutation, inversion transformation.High-frequency constant current source is specific
Including sequentially connected AC/DC rectification circuit, DC bus capacitor C0, DC/AC inverter circuit, pass through DC bus capacitor C0Stablize straight
Stream side voltage simultaneously can store certain energy, so that also can externally export electric current when external power supply short time power down.High frequency
Constant-current supply is connect by circuit breaker Q F with power frequency AC AC380V, and access 380V three-phase main-frequency exchanges reliable source of power, warp
The inversion of the rectification, DC/AC inverter circuit of crossing AC/DC rectification circuit is transformed to the power supply output of high frequency, constant current, high frequency Constant Electric Current
The output end in source is provided with the impedance Z for adjusting output size of current, is adjusted needed for high-frequency constant current source output by impedance Z
The electric current of size, to meet the power reguirements of different electronic switch control circuits.
In the present embodiment, wireless power transmission module 2 specifically uses coupling circuit, is handed over single-phase high frequency by coupling circuit
Galvanic electricity is wirelessly transferred, and to realize the wireless transmission of electric energy using coupled characteristic, realizes that structure is simple and at low cost, and can
Meets the needs of high efficiency electric energy transmission.
As shown in figure 3, coupling circuit are specially resonant coupling circuit in the present embodiment, resonant coupling circuit includes first humorous
Shake cells D L1, transmitting coil, receiving coil and the second resonant element DL2, the first resonance circuit DL1 connection transmitting coil S1
Input terminal, the output end of receiving coil S2 connects the second resonant element DL2, by humorous between non-emissive coil and receiving coil
Vibration is of coupled connections, and transmitting coil is connect by the first resonant element DL1 with power conversion module 1, and receiving coil is humorous by second
Vibration cells D L2 is connect with energy module 3 is taken.High-frequency constant current source accesses transmitting coil, receiving coil and resonance through resonance circuit DL1
Circuit DL2 is connected, and the high frequency Constant Electric Current of high-frequency constant current source output, the coil by the coupling of a pair of of resonance transmits electric energy, high frequency
Constant-current supply frequency can be such that resonance between transmitting coil and receiving coil couples just, thus be realized by resonant coupling circuit
Electric energy wireless transmission can use the resonance coupled characteristic between coil, realize that energy transmission efficiency maximizes.
As shown in figure 3, the first resonant element of the present embodiment DL1, the second resonance circuit DL2 respectively include resonant inductance and
Resonant capacitance, the first resonant element DL1 specifically include the capacitor C for being separately positioned on transmitting coil both endsPAnd resistance RP, second
Resonant element DL2 specifically includes the capacitor C for being separately positioned on transmitting coil both endsSAnd resistance RS。
In concrete application embodiment, being arranged at intervals at greater than 350mm, Ke Yiman between transmitting coil and receiving coil
The air insulation clearance requirement of sufficient 27.5kV.
Certain wireless power transmission module 2 can also further changing using other kinds of coupling circuit or coupling circuit
Into circuit to improve transmission performance.
In the present embodiment, two output ends of wireless power transmission module 2 are shorted by high-tension cable, by energy
It is transmitted to and takes energy module 3.As shown in figure 3, energy module 3 is taken to specifically include more than one current transformer, each Current Mutual Inductance
Device is connect with the control circuit of an electronic switch, the electricity for being transmitted wireless power transmission module 2 by each current transformer
Corresponding electronic switch control circuit can be supplied to.The present embodiment specifically uses multiple straight-through current transformers (Tan) to form,
The system input for taking energy module 3 is high-tension cable, after cable passes through each concatenated straight-through current transformer, independently
To each high potential electronic switch trigger board power.
It is above-mentioned wirelessly take can circuit work when, circuit breaker Q F closure after, access outer low pressure 380V industrial-frequency alternating current, by height
Pressure constant-current supply is transformed to the power supply of high frequency, constant current through over commutation, inversion, and the size of current of constant-current supply is adjusted by impedance Z,
To meet electronic switch control circuit power reguirements；High frequency Constant Electric Current needed for high-frequency constant current source output is (specially tens of
KHz after), output transmits electric energy to wireless power transmission module 2, the coil of excessively a pair of of the resonance coupling of wireless power transmission module 2
To energy module 3 is taken, the output end of wireless power transmission module 2 is shorted using high-tension cable, and high-tension cable passes through concatenated multiple
Punching takes energy current transformer to power to electronic switch trigger board each in the automatic neutral-section passing device of ground, realizes that ground is automatic
The wireless of electronic switch control circuit takes energy in passing phase insulator device, and the thyristor trigger board and ground potential low pressure of high potential are reliably electric
Reliable electrical isolation may be implemented between source, guarantee the reliable and stable confession of electronic switch control circuit during train crosses split-phase
Electricity.
In the present embodiment, electronic switch is specifically as follows thyristor switch, field-effect tube and silicon-controlled etc., or
Other kinds of electronic switch is mentioned with taking energy circuit to realize wirelessly taking and can power for electronic switch control circuit by above-mentioned
The insulation performance and security reliability of height power supply.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, the difference is that the present embodiment wireless power transmission module 2 is specifically adopted
With high-frequency magnetic circuit, single-phase high frequency alternating current is based on by magnet ring by high-frequency magnetic circuit and is wirelessly transferred.Such as Fig. 4 institute
Show, high-frequency magnetic circuit connects power conversion module 1 by one end of magnet ring, the other end connection of magnet ring takes energy module 3, magnet ring
The high-frequency alternating current that is converted to of one end access power conversion module 1 can module by taking after the other end obtains induced voltage
3 are supplied to electronic switch control circuit, realize that electronic switch control circuit wirelessly takes energy.Electronic switch is realized based on magnet ring mode
Control circuit wirelessly takes energy, without directly electrical connection between outer low pressure AC power source and the electronic switch control circuit of high potential
System, effectively increases low-voltage power supply with high potential control circuit electrical isolation intensity, improves insulation performance, guarantees to supply
The safety and reliability of electricity, and electrical stability is high.
Embodiment 3:
As shown in figure 5, the present embodiment ground passing phase insulator device, including being connected between two supply arms and neutral section
Two electronic switches (V1, V2) carry out train position detection by position sensor CG1~CG4, according to the train position detected
Signal controls two electronic switches and carries out commutation switching, further includes wirelessly taking energy circuit as above-mentioned, by wirelessly taking energy circuit to distinguish
For the power supply of each electronic switch；Train is crossed during split-phase, when sensor G1 detection train reaches, control switch V1 closure,
So that being powered by A arm to differential gap；When train, which enters differential gap, reaches sensor G2, switch V1 is disconnected, and switch V2 closure is cut
It changes and is powered by B arm to differential gap；When train operation is to G3, train enters B arm power supply area, and switch V1 is disconnected, and it is excessive to complete
Phase.
The present embodiment ground passing phase insulator device is specifically provided with open circuit in the input terminal of two electronic switches (V1, V2) respectively
Device QF1, QF2 and disconnecting switch QS1~QS3, to be controlled for protecting, while at the both ends of two electronic switches (V1, V2)
It is provided with bypass breaker QF3, QF4, to carry out spare switching in electronic switch (V1, V2) failure.
Electronic switch specifically uses thyristor controlled series compensation, and thyristor controlled series compensation includes the thyristor of two inverse parallels connection, certainly
Electronic switch can also use two groups in series on thyristor controlled series compensation, can opening with the compositions such as field-effect tube, silicon-controlled
Powered-down road.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (12)
1. a kind of electronic switch for crossing split-phase for ground wirelessly takes energy circuit, it is characterised in that turn including sequentially connected power supply
It changes the mold block (1), wireless power transmission module (2) and takes energy module (3), the output end and electronic cutting for taking energy module (3)
The control circuit of pass connects, and the power conversion module (1) accesses low-voltage alternating current power supply, is converted to required single-phase high frequency exchange
After electricity, export to the wireless power transmission module (2), the wireless power transmission module (2) is described single-phase by what is received
High-frequency alternating current takes energy module (3) described in being wirelessly transmitted to, and passes through the control circuit for taking energy module (3) electron switch and supplies
Electricity.
2. the electronic switch according to claim 1 for crossing split-phase for ground wirelessly takes energy circuit, it is characterised in that: described
Wireless power transmission module (2) includes coupling circuit, is carried out the single-phase high frequency alternating current wirelessly by the coupling circuit
Transmission.
3. the electronic switch according to claim 2 for crossing split-phase for ground wirelessly takes energy circuit, it is characterised in that: described
Coupling circuit are specially resonant coupling circuit, and the resonant coupling circuit includes the first resonant element, transmitting coil, receiving coil
And second resonant element, it is of coupled connections between the transmitting coil and the receiving coil by resonance, the transmitting coil
It is connect by first resonant element (21) with the power conversion module (1), the receiving coil is humorous by described second
Vibration unit (22) takes energy module (3) to connect with described.
4. the electronic switch according to claim 3 for crossing split-phase for ground wirelessly takes energy circuit, it is characterised in that: described
First resonant element (21), the second resonance circuit (22) respectively include resonant inductance and resonant capacitance.
5. the electronic switch according to claim 1 for crossing split-phase for ground wirelessly takes energy circuit, it is characterised in that: described
Wireless power transmission module (2) is specially high-frequency magnetic circuit, is exchanged the single-phase high frequency by the high-frequency magnetic circuit
Electricity is wirelessly transferred based on magnet ring.
6. the electronic switch for crossing split-phase for ground described according to claim 1~any one of 5 wirelessly takes energy circuit,
Be characterized in that: two output ends of the wireless power transmission module (2) are short circuit.
7. the electronic switch according to claim 6 for crossing split-phase for ground wirelessly takes energy circuit, it is characterised in that: described
Two output ends of wireless power transmission module (2) are shorted by high-tension cable.
8. the electronic switch for crossing split-phase for ground described according to claim 1~any one of 5 wirelessly takes energy circuit,
Be characterized in that: it is described take can module (3) specifically include more than one current transformer, each current transformer and one
The control circuit of electronic switch connects, and is transmitted the wireless power transmission module (2) by each current transformer
Electric energy is supplied to the control circuit of corresponding electronic switch.
9. the electronic switch for crossing split-phase for ground described according to claim 1~any one of 5 wirelessly takes energy circuit,
Be characterized in that: the power conversion module (1) includes high-frequency constant current source；The high-frequency constant current source includes sequentially connected
AC/DC rectification circuit, DC bus capacitor C0, DC/AC inverter circuit, pass through the DC bus capacitor C0Stable DC side voltage with
And carry out energy stores.
10. the electronic switch according to claim 9 for crossing split-phase for ground wirelessly takes energy circuit, it is characterised in that: institute
The output end for stating high-frequency constant current source is provided with for adjusting the impedance Z for exporting size of current.
11. the electronic switch for crossing split-phase for ground described according to claim 1~any one of 5 wirelessly takes energy circuit,
It is characterized by: the electronic switch is specially thyristor switch, field-effect tube and one of silicon-controlled.
12. a kind of ground passing phase insulator device leads to including two electronic switches being connected between two supply arms and neutral section
It crosses the electronic switch of control two and carries out commutation switching, which is characterized in that further include such as any one of claim 1~11
It is described wirelessly take can circuit, by it is described wirelessly take can circuit be respectively that the control circuit of each electronic switch is powered.
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| CN201810097133.3A CN110098664A (en) | 2018-01-31 | 2018-01-31 | The electronic switch for crossing split-phase for ground wirelessly takes energy circuit and passing phase insulator device |
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| CN201810097133.3A CN110098664A (en) | 2018-01-31 | 2018-01-31 | The electronic switch for crossing split-phase for ground wirelessly takes energy circuit and passing phase insulator device |
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Cited By (2)
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| CN112542036A (en) * | 2020-12-08 | 2021-03-23 | 大力电工襄阳股份有限公司 | High-voltage silicon controlled rectifier wireless trigger equipment |
| CN113103928A (en) * | 2021-05-26 | 2021-07-13 | 中车株洲电力机车研究所有限公司 | Automatic passing neutral section system, wireless electric energy transmitting and receiving device |
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| CN112542036A (en) * | 2020-12-08 | 2021-03-23 | 大力电工襄阳股份有限公司 | High-voltage silicon controlled rectifier wireless trigger equipment |
| CN113103928A (en) * | 2021-05-26 | 2021-07-13 | 中车株洲电力机车研究所有限公司 | Automatic passing neutral section system, wireless electric energy transmitting and receiving device |
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