CN104820141A - Superconducting tape current transfer capability measuring probe, measuring device and method thereof - Google Patents
Superconducting tape current transfer capability measuring probe, measuring device and method thereof Download PDFInfo
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- CN104820141A CN104820141A CN201510105266.7A CN201510105266A CN104820141A CN 104820141 A CN104820141 A CN 104820141A CN 201510105266 A CN201510105266 A CN 201510105266A CN 104820141 A CN104820141 A CN 104820141A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Abstract
The invention relates to the field of superconducting electrical engineering and especially relates to a superconducting tape current transfer capability measuring probe, a measuring device and a method thereof. The superconducting tape current transfer capability measuring probe comprises a magnetic circuit, a detection winding and a measuring circuit which is connected to the detection winding. The magnetic circuit comprises a magnetic circuit core, an excitation winding and an adjustable power supply which provides current to the excitation winding. The excitation winding and the detection winding are respectively wounded around the magnetic circuit core which is provided with a slot for containing a superconducting tape sample to be measured. A closed magnetic circuit is formed by the magnetic circuit core and the slot. The magnetic field amplitude in the slot is adjusted through the excitation winding and the adjustable power supply which provides current to the excitation winding, and the detection winding and the measuring circuit which is connected to the detection winding measure the current transmission capacity of the superconducting tape sample to be measured in the slot. The superconducting tape current transfer capability measuring probe can measure the local current transmission characteristic of a superconducting tape along a tape width direction and can measure the overall current transmission characteristic of the superconducting tape in an external magnetic field.
Description
Technical field
The present invention relates to superconduction electrical field, particularly relate to a kind of superconducting tape current carrying capacities measuring sonde, measurement mechanism and method.
Background technology
Superconductor the characteristic of high-current carrying can be widely used in large-scale power device because it is without hindrance, it is expected to use on a large scale the age of high temperature superconducting materia at hand.Electric current transmission performance is the most basic parameter of reflection superconducting tape performance." four leads method " is generally taked to measure the transmission performance of critical current reflection electric current at present, namely at sample two ends loading current, observation voltage signal.Along with the increase of electric current, by observing the increase of voltage, producing 1 microvolt as quench criterion using every centimetre of band length, determining the critical current of superconducting tape.This Method And Principle is simple, is widely used in the short sample measurement that other length of laboratory-scale is less than 10cm.As a kind of measuring method of contact, the critical current measurement that four leads method are applied in long superconducting tape has a lot of limitation.First in the measurements current feed and voltage lead need to contact with band, likely cause mechanical damage to superconducting tape, and secondly testing efficiency is also very low, is inconvenient to realize the continuously and quickly measuring to hundred meter level long band.
For the deficiency of four leads method for belt material of high temperature superconduct continuous coverage ability, scientific research personnel has developed the method for Magnetic Circuit Method detection superconducting tape current carrying capacities, as patent zl201010033688.5, this method utilizes double aperture slit magnetic circuit and hall probe to achieve measurement to belt material of high temperature superconduct current carrying capacities, but this method magnetic circuit needs to arrange two slits, magnetic circuit excitation ability is caused to decline to a great extent, in addition particularly under measurement external magnetic field when current carrying capacities, need the signal detecting a little 2-3 order of magnitude under overall background magnetic field, cause producing very large error, be unfavorable for practical application.
Summary of the invention
In view of the above problems, the present invention is proposed to provide a kind of the superconducting tape current carrying capacities measuring sonde, measurement mechanism and the method that overcome the problems referred to above or solve or slow down the problems referred to above at least in part.
According to an aspect of the present invention, provide a kind of superconducting tape current carrying capacities measuring sonde, described superconducting tape current carrying capacities measuring sonde comprises a magnetic circuit, detects winding and is connected to the metering circuit on described detection winding; Described magnetic circuit comprises magnetic circuit iron core, field copper and provides the regulated power supply of electric current for described field copper, described field copper and described detection winding are wrapped on described magnetic circuit iron core respectively, described magnetic circuit iron core offers one for holding the slit of superconducting tape sample to be measured, magnetic circuit iron core and described slit form closed magnetic circuit; There is provided the regulated power supply of electric current to adjust magnetic field amplitude in described slit by described field copper and for described field copper, described detection winding and the current carrying capacities of metering circuit to the superconducting tape sample to be measured be placed in described slit be connected on described detection winding are measured.
Optionally, the material of described magnetic circuit iron core is soft magnet core.
Optionally, described magnetic circuit iron core is iron core-closed, and shape is O type, rectangle or closed polygon.
Optionally, the height of described slit is greater than the thickness of superconducting tape sample to be measured, and width is greater than the width of superconducting tape sample to be measured.
According to another aspect of the present invention, provide a kind of superconducting tape current carrying capacities measurement mechanism, described superconducting tape current carrying capacities measurement mechanism comprises as above arbitrary described superconducting tape current carrying capacities measuring sonde, continuous gearing, low-temperature maintaining device, described continuous gearing is made up of the first guide wheel of the pay-off equipment and spooling equipment that coordinate described low-temperature maintaining device outside and the second guide wheel, first guide wheel and the second guide wheel are placed in described magnetic circuit both sides respectively, described first guide wheel, slit and the second guide wheel are on same straight line, described superconducting tape sample to be measured to be guided through after described slit through the first guide wheel from the pay-off equipment of outside and to be sent to outside spooling equipment through the second guide wheel guiding again, the second guide wheel is pointed to from the first guide wheel in described superconducting tape sample motion direction to be measured, during device work, described magnetic circuit and superconducting tape sample to be measured are all placed in low-temperature maintaining device.
Optionally, described superconducting tape current carrying capacities measurement mechanism also comprises the externally-applied magnetic field be arranged on described continuous gearing, and described first guide wheel, externally-applied magnetic field, slit and the second guide wheel are successively set on same straight line.
Optionally, described externally-applied magnetic field is applied by electromagnet or permanent magnet.
Optionally, described low-temperature maintaining device is the container that liquid nitrogen is housed.
According to a further aspect of the invention, provide a kind of measuring method of the superconducting tape current carrying capacities based on above-mentioned superconducting tape current carrying capacities measurement mechanism, described method comprises:
Superconducting tape sample to be measured is placed in described low-temperature maintaining device and cools;
By described continuous gearing, cooled superconducting tape sample to be measured is entered described slit;
There is provided the regulated power supply of electric current by described for described field copper, adjust described field copper produce the size in magnetic field and/or direction is carried out;
Described superconducting tape sample to be measured is measured with the form of induced voltage by detection winding and metering circuit.
According to a further aspect of the invention, provide a kind of measuring method of the superconducting tape current carrying capacities based on above-mentioned superconducting tape current carrying capacities measurement mechanism, described method comprises:
Superconducting tape sample to be measured is placed in described low-temperature maintaining device and cools;
Cooled superconducting tape sample to be measured is provided by electromagnet or permanent magnet and puts into one and be at least greater than the externally-applied magnetic field that 2 times penetrate magnetic field;
By described continuous gearing, described superconducting tape sample to be measured is shifted out described externally-applied magnetic field, and enter described slit;
Described superconducting tape sample to be measured is measured with the form of induced voltage by detection winding and metering circuit.
The field copper number of turn in superconducting tape current carrying capacities measurement mechanism of the present invention and field power supply need ensure that having generation at slit place is at least greater than the ability that 1 times of superconducting tape penetrates magnetic field amplitude, and superconducting tape, as high temperature super conductive conductor.Belt material of high temperature superconduct penetrates magnetic field and the formula of Jc*d can be utilized to estimate, wherein, Jc is the current density of superconducting tape, and d is the thickness of superconducting tape.
Superconducting tape current carrying capacities measurement mechanism of the present invention has 3 kinds of using method, can reflect band current carrying capacities at different conditions.
The first using method: belt material of high temperature superconduct, after liquid nitrogen refrigerating, enters the slit of magnetic circuit, now field copper and magnetic circuit field coil through-flow, slit place produce D.C. magnetic field, magnetic field amplitude is less than or equal to 1 times and penetrates magnetic field.Belt material of high temperature superconduct is through D.C. magnetic field, and band can be magnetized generation circulation, along with the increase loading external magnetic field amplitude, circulation can present from outside to inside penetrate process.The magnetic field that circulation produces is contrary with the outer magnetic field direction of applying, and this opposing for applying external magnetic field causes magnetic circuit flux change, can be detected winding and detect with the form of induced voltage.Because band critical current density is everywhere inconsistent, adjust the amplitude of external magnetic field simultaneously, can regulate and control circulation position, obtain the current carrying capacities information of diverse location, these information can be detected winding and metering circuit detects with the form of induced voltage.Under this configuration, what detection winding and metering circuit detected is only the change of current carrying capacities, after system calibrating, can arrive the absolute value of current carrying capacities.
The second using method: belt material of high temperature superconduct is after liquid nitrogen refrigerating, and enter the slit of magnetic circuit, now field copper is through-flow, produce D.C. magnetic field at slit place, in the second using method, magnetic field amplitude at least reaches 1 times and penetrates more than magnetic field.Belt material of high temperature superconduct be exposed to be greater than 1 times penetrate magnetic field condition under, the large circulation entirely penetrating solid shape can be produced, but along with loading the increase of external magnetic field amplitude, be subject to Jc (B) impact of belt material of high temperature superconduct intrinsic, although entirely penetrate circulation shape can not change, but circulation amplitude can reduce, load different external magnetic field, reflect the current carrying capacities of superconducting tape under magnetic field.These information can be detected winding and detect with the form of induced voltage.The change of what detecting coil detected is only current carrying capacities, after system calibrating, can arrive the absolute value of current carrying capacities.
The third using method: belt material of high temperature superconduct is after cooled with liquid nitrogen, and be first at least greater than through one externally-applied magnetic field that 2 times penetrate magnetic field, externally-applied magnetic field can be applied by electromagnet, also can be applied by permanent magnet.Superconducting tape is after being greater than 2 times of size externally-applied magnetic fields, can remain after shifting out externally-applied magnetic field again and entirely penetrate form superconducting circulation, now belt material of high temperature superconduct enters the slit in superconducting tape current carrying capacities measurement mechanism of the present invention, utilizes detection winding and metering circuit to detect the overall current transmittability of this belt material of high temperature superconduct under zero externally-applied magnetic field.
Beneficial effect of the present invention is:
A kind of superconducting tape current carrying capacities measuring sonde provided by the invention, measurement mechanism and method, only need single slit magnetic circuit just to achieve to measure the Non-contact nondestructive of superconducting tape current carrying capacities, single slit is adopted to make excitation signal stronger, simultaneously can while external magnetic field measurement be applied to superconducting tape by arranging of externally-applied magnetic field, and after filtration external magnetic field signal, realize the measurement of the overall current transport property under superconducting tape outside magnetic field, effectively improve measuring accuracy, reduce the complicacy of system simultaneously.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent, below especially exemplified by the specific embodiment of the present invention to allow above and other objects of the present invention, feature and advantage.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 shows the structural representation of a kind of superconducting tape current carrying capacities measuring sonde of the embodiment of the present invention;
Fig. 2 shows the structural representation of a kind of superconducting tape current carrying capacities measurement mechanism of the embodiment of the present invention;
Fig. 3 shows in the embodiment of the present invention circulation schematic diagram adopting the first method of testing to be formed on superconducting tape;
Fig. 4 shows in the embodiment of the present invention circulation schematic diagram adopting the second method of testing to be formed on superconducting tape;
Fig. 5 shows in the embodiment of the present invention circulation schematic diagram adopting the third method of testing to be formed on superconducting tape.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " also can comprise plural form.Should be further understood that, the wording used in instructions of the present invention " comprises " and refers to there is described feature, integer, step, operation, element and/or assembly, but does not get rid of and exist or add other features one or more, integer, step, operation, element, assembly and/or their group.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology), have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary, should be understood to that there is the meaning consistent with the meaning in the context of prior art, unless and by specific definitions, otherwise can not explain by idealized or too formal implication.
The embodiment of the present invention provides a kind of superconducting tape current carrying capacities measuring sonde, can can't harm the critical current of continuous detecting belt material of high temperature superconduct.As shown in Figure 1, this probe comprises a magnetic circuit, and described magnetic circuit comprises magnetic circuit iron core 1, the C-shaped structure of magnetic circuit iron core in the embodiment of the present invention.The magnetic circuit iron core 1 of magnetic circuit is made up of soft magnetic material, and in embodiment, C type magnetic circuit is shaping with toroid form by permalloy, wherein toroid inside radius 50mm, toroid external radius 60mm, toroid thickness 10mm.The window width d of the slit 2 on magnetic circuit is greater than the width of belt material of high temperature superconduct 7 to be measured, and slit window height a is greater than the thickness of belt material of high temperature superconduct 7 to be measured, a=5mm, d=10mm in embodiment.In the embodiment of the present invention, magnetic circuit also comprises field copper 3 and coordinates the adjustable excited power supply 4 of field copper, and the field copper number of turn is set to 240 circles.C type magnetic circuit iron core is also wound with detection winding 5 and coordinates the metering circuit 6 of detection winding, detection winding is set to 1000 circles.
Another embodiment of the present invention additionally provides a kind of superconducting tape current carrying capacities measurement mechanism, as shown in Figure 2, in described superconducting tape current carrying capacities measurement mechanism, this superconducting tape current carrying capacities measuring sonde coordinates as the continuous gearing 8 in Fig. 2 and low-temperature maintaining device 9 form the continuous coverage that just can realize high-temperature superconductor long band current transmission characteristic, obtain wherein, low-temperature maintaining device 9 can adopt liquid nitrogen case to realize.
The superconducting tape current carrying capacities measurement mechanism that the embodiment of the present invention provides, is particularly suitable for the measurement of flat belt material of high temperature superconduct current carrying capacities, and this device has 3 kinds of measuring methods, can reflect the current carrying capacities of band under different condition.
The current carrying capacities of first method target measurement belt material of high temperature superconduct in different in width position is adopted in one embodiment of the present of invention.Its using method is as follows: belt material of high temperature superconduct 7, after liquid nitrogen refrigerating, enters slit 2, and now C type magnetic circuit field coil is through-flow, and at slit 2, place produces a D.C. magnetic field, and in this embodiment, D.C. magnetic field amplitude is less than 1 times all the time and penetrates magnetic field.Belt material of high temperature superconduct can produce as shown in Figure 3 from penetrating circulation 11 outside to inside through this D.C. magnetic field, and load external magnetic field amplitude larger, circulation penetration depth is darker, and when D.C. magnetic field greatly to 1 times penetration field time, lucky realization penetrates completely.
The magnetic field that circulation produces is contrary with the outer magnetic field direction of applying, and this opposing for applying external magnetic field causes magnetic circuit flux change, can be detected winding 5 and metering circuit 6 detects with the form of induced voltage.Because band critical current density is everywhere inconsistent, adjust the amplitude of external magnetic field, can regulate and control circulation from position outside to inside, obtain the current carrying capacities information of diverse location, these information all can be detected winding and detect simultaneously.After system calibrating, the absolute value of current carrying capacities can be arrived.
The second using method target measurement belt material of high temperature superconduct overall current transmittability under different magnetic field is adopted in an alternative embodiment of the invention.Its using method is as follows: belt material of high temperature superconduct 7, after liquid nitrogen refrigerating, enters slit 2, and now C type magnetic circuit field coil is through-flow, and produce D.C. magnetic field at slit 2 place, in the second using method, magnetic field amplitude at least reaches 1 times and penetrates more than magnetic field.Belt material of high temperature superconduct be exposed to be greater than 1 times penetrate magnetic field condition under, can produce and entirely penetrate form circulation, as shown in Figure 4, along with the increase loading external magnetic field 12 amplitude, entirely penetrate form circulation shape can not change, but be subject to Jc (B) impact of belt material of high temperature superconduct intrinsic, circulation amplitude can reduce, load different external magnetic field, reflect the overall current transmittability of superconducting tape under different magnetic field.Winding 5 can be detected and metering circuit 6 detects with the form of induced voltage, after system calibrating, the absolute value of current carrying capacities can be arrived.
Further, superconducting tape current carrying capacities measurement mechanism also comprises the externally-applied magnetic field be arranged on described continuous gearing, described first guide wheel, externally-applied magnetic field, slit and the second guide wheel are successively set on same straight line, and wherein, externally-applied magnetic field is applied by electromagnet or permanent magnet.
The overall current transmittability of the third measuring method target measurement belt material of high temperature superconduct just under zero external magnetic field is adopted in another embodiment of the present invention.Its using method is as follows: belt material of high temperature superconduct 7 is after cooled with liquid nitrogen, first through an enough large externally-applied magnetic field, externally-applied magnetic field can be applied by electromagnet, also can apply with permanent magnet, permanent magnet 10 is as shown in Figure 2 adopted to apply external magnetic field in the present embodiment, in the embodiment of the present invention, enough large externally-applied magnetic field refers generally at least be greater than the magnetic field that 2 times of belt material of high temperature superconduct penetrate magnetic field size.Superconducting tape after being greater than 2 times of size externally-applied magnetic fields, then shifts out externally-applied magnetic field, now band can remain the superconducting circulation that penetrates state completely, as shown in Figure 5.Carry penetrate state circulation completely band through slit 2, magnetic circuit can be magnetized, due to band, critical current density is different everywhere, cause circulation in different size, same first method, winding 5 can be detected and metering circuit 6 detects with the form of induced voltage, after system calibrating, the absolute value of current carrying capacities can be arrived.
Above embodiment only enumerates a kind of superconducting tape current carrying capacities measurement mechanism based on C type magnetic structure probe; actual probe can also be varied; as offered O type, the rectangle or closed polygon etc. of slit; as long as utilize field copper to load controlling magnetic field to sample in slit; utilize detection winding detection sample circulation signal to be all the changes done according to the present invention's spirit simultaneously, all should be included in the present invention's scope required for protection.
In sum, a kind of superconducting tape current carrying capacities measuring sonde provided by the invention, measurement mechanism and method, only need single slit magnetic circuit just to achieve to measure the Non-contact nondestructive of superconducting tape current carrying capacities, single slit is adopted to make excitation signal stronger, simultaneously can while external magnetic field measurement be applied to superconducting tape by arranging of externally-applied magnetic field, and after filtration external magnetic field signal, realize the measurement of the overall current transport property under superconducting tape outside magnetic field.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification, therefore all equivalent technical schemes also belong to protection category of the present invention.
Claims (10)
1. a superconducting tape current carrying capacities measuring sonde, is characterized in that, described superconducting tape current carrying capacities measuring sonde comprises a magnetic circuit, detects winding and is connected to the metering circuit on described detection winding; Described magnetic circuit comprises magnetic circuit iron core, field copper and provides the regulated power supply of electric current for described field copper, described field copper and described detection winding are wrapped on described magnetic circuit iron core respectively, described magnetic circuit iron core offers one for holding the slit of superconducting tape sample to be measured, magnetic circuit iron core and described slit form closed magnetic circuit; There is provided the regulated power supply of electric current to adjust magnetic field amplitude in described slit by described field copper and for described field copper, described detection winding and the current carrying capacities of metering circuit to the superconducting tape sample to be measured be placed in described slit be connected on described detection winding are measured.
2. superconducting tape current carrying capacities measuring sonde according to claim 1, is characterized in that, the material of described magnetic circuit iron core is soft magnet core.
3. superconducting tape current carrying capacities measuring sonde according to claim 1 and 2, is characterized in that, described magnetic circuit iron core is iron core-closed, and shape is O type, rectangle or closed polygon.
4. superconducting tape current carrying capacities measuring sonde according to claim 1 and 2, is characterized in that, the height of described slit is greater than the thickness of superconducting tape sample to be measured, and width is greater than the width of superconducting tape sample to be measured.
5. a superconducting tape current carrying capacities measurement mechanism, it is characterized in that, described superconducting tape current carrying capacities measurement mechanism comprise as arbitrary in claim 1-4 as described in superconducting tape current carrying capacities measuring sonde, continuous gearing, low-temperature maintaining device, described continuous gearing is made up of the first guide wheel of the pay-off equipment and spooling equipment that coordinate described low-temperature maintaining device outside and the second guide wheel, first guide wheel and the second guide wheel are placed in described magnetic circuit both sides respectively, described first guide wheel, slit and the second guide wheel are on same straight line, described superconducting tape sample to be measured to be guided through after described slit through the first guide wheel from the pay-off equipment of outside and to be sent to outside spooling equipment through the second guide wheel guiding again, the second guide wheel is pointed to from the first guide wheel in described superconducting tape sample motion direction to be measured, during device work, described magnetic circuit and superconducting tape sample to be measured are all placed in low-temperature maintaining device.
6. superconducting tape current carrying capacities measurement mechanism according to claim 5, it is characterized in that, also comprise the externally-applied magnetic field be arranged on described continuous gearing, described first guide wheel, externally-applied magnetic field, slit and the second guide wheel are successively set on same straight line.
7. superconducting tape current carrying capacities measurement mechanism according to claim 6, is characterized in that, described externally-applied magnetic field is applied by electromagnet or permanent magnet.
8., according to the arbitrary described superconducting tape current carrying capacities measurement mechanism of claim 5-7, it is characterized in that, described low-temperature maintaining device is the container that liquid nitrogen is housed.
9., based on a measuring method for the superconducting tape current carrying capacities of the superconducting tape current carrying capacities measurement mechanism described in claim 5 or 8, it is characterized in that, described method comprises:
Superconducting tape sample to be measured is placed in described low-temperature maintaining device and cools;
By described continuous gearing, cooled superconducting tape sample to be measured is entered described slit;
There is provided the regulated power supply of electric current by described for described field copper, adjust described field copper produce the size in magnetic field and/or direction is carried out;
Described superconducting tape sample to be measured is measured with the form of induced voltage by detection winding and metering circuit.
10., based on a measuring method for the superconducting tape current carrying capacities of the arbitrary described superconducting tape current carrying capacities measurement mechanism of claim 6-8, it is characterized in that, described method comprises:
Superconducting tape sample to be measured is placed in described low-temperature maintaining device and cools;
Cooled superconducting tape sample to be measured is provided by electromagnet or permanent magnet and puts into one and be at least greater than the externally-applied magnetic field that 2 times penetrate magnetic field;
By described continuous gearing, described superconducting tape sample to be measured is shifted out described externally-applied magnetic field, and enter described slit;
Described superconducting tape sample to be measured is measured with the form of induced voltage by detection winding and metering circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510105266.7A CN104820141B (en) | 2015-03-10 | 2015-03-10 | A kind of superconducting tape current carrying capacities measuring probe, measurement apparatus and method |
| PCT/CN2016/075817 WO2016141868A1 (en) | 2015-03-10 | 2016-03-07 | Superconducting tape current transfer capability measurement probe, measurement device, and method |
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| CN201510105266.7A CN104820141B (en) | 2015-03-10 | 2015-03-10 | A kind of superconducting tape current carrying capacities measuring probe, measurement apparatus and method |
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| CN104820141B CN104820141B (en) | 2017-08-29 |
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| CN105866238A (en) * | 2016-05-20 | 2016-08-17 | 云南电网有限责任公司电力科学研究院 | High-temperature superconducting tape detection system |
| WO2016141868A1 (en) * | 2015-03-10 | 2016-09-15 | 北京原力辰超导技术有限公司 | Superconducting tape current transfer capability measurement probe, measurement device, and method |
| CN106646291A (en) * | 2016-12-28 | 2017-05-10 | 清华大学 | Diamagnetic measuring probe, diamagnetic measuring rod and diamagnetic measuring device |
| CN109856571A (en) * | 2019-01-23 | 2019-06-07 | 深圳供电局有限公司 | A kind of test device of the through-flow conductor electromagnetic property of hyperconductive cable |
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| WO2017067511A1 (en) * | 2015-10-21 | 2017-04-27 | 北京原力辰超导技术有限公司 | Superconducting coil defect location detection system |
| CN105301093B (en) * | 2015-10-21 | 2019-01-22 | 北京原力辰超导技术有限公司 | A kind of superconducting coil defective locations detection system |
| CN105866238A (en) * | 2016-05-20 | 2016-08-17 | 云南电网有限责任公司电力科学研究院 | High-temperature superconducting tape detection system |
| CN106646291A (en) * | 2016-12-28 | 2017-05-10 | 清华大学 | Diamagnetic measuring probe, diamagnetic measuring rod and diamagnetic measuring device |
| CN109856571A (en) * | 2019-01-23 | 2019-06-07 | 深圳供电局有限公司 | A kind of test device of the through-flow conductor electromagnetic property of hyperconductive cable |
| CN109856571B (en) * | 2019-01-23 | 2024-03-22 | 深圳供电局有限公司 | Testing device for electromagnetic characteristics of through-current conductor of superconducting cable |
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| Publication number | Publication date |
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| CN104820141B (en) | 2017-08-29 |
| WO2016141868A1 (en) | 2016-09-15 |
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