CN102539845A - Leading-out system for high-voltage signal of electrified conductor of high-temperature superconductive cable - Google Patents
Leading-out system for high-voltage signal of electrified conductor of high-temperature superconductive cable Download PDFInfo
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- CN102539845A CN102539845A CN2012100233553A CN201210023355A CN102539845A CN 102539845 A CN102539845 A CN 102539845A CN 2012100233553 A CN2012100233553 A CN 2012100233553A CN 201210023355 A CN201210023355 A CN 201210023355A CN 102539845 A CN102539845 A CN 102539845A
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Abstract
The invention relates to a leading-out system for a high-voltage signal of an electrified conductor of a high-temperature superconductive cable, which comprises a low-temperature Dewar pipe (1), an electrified conductor (2) of a high-temperature superconductive cable, a voltage measuring line (3), a high-voltage insulated leading-out plug (4), a voltage testing instrument (5) and a serial port isolator (6); one end of the voltage measuring line (3) is connected to the end part of the electrified conductor (2) of the high-temperature superconductive cable, the other end of the voltage measuring line (3) is connected to the high-voltage insulated leading-out plug (4), and the voltage measuring line (3) is laid along the surface of the electrified conductor (2) of the high-temperature superconductive cable; and the voltage measuring line (3) is led out by the high-voltage insulated leading-out plug (4) and is connected to the voltage testing instrument (5), the voltage testing instrument (5) is positioned at suspended working potential, and the testing data of the voltage testing instrument (5) are output to a computer control system by the serial port isolator (6).
Description
Technical field
The present invention relates to a kind of high-voltage signal extraction system, particularly high-temperature superconductive cable electrical conductor high-voltage signal extraction system.
Background technology
High-temperature superconductive cable adopted have zero resistance, the high temperature superconducting materia of big current transmission characteristic is as conductor; With cheap LIN as heat eliminating medium; Having the advantage that volume is little, in light weight, loss is low and transmission capacity is big, is an important channel of realizing high capacity, low-loss transmission of electricity.The electrical conductor of high-temperature superconductive cable is installed in the cooled cryostat pipe, and the cooled cryostat pipe provides the low temperature guarantee for the high-temperature superconductive cable electrical conductor.The cooled cryostat pipe is made up of two concentric corrugated stainless steel tubings, is surrounded with multilayer insulant between the inner and outer pipes interlayer, and sandwich design is a high vacuum.The electrical conductor equipotential of cooled cryostat pipe and high-temperature superconductive cable is high-voltage state during operate as normal.The voltage measurement line of high-temperature superconductive cable is welded on the electrical conductor two ends, draws plug the voltage measurement line of electrical conductor is led to test instrumentation from cooled cryostat pipe inside through being installed in voltage slotted line on the cooled cryostat pipe.
Traditional voltage is drawn the voltage that plug can only tolerate 600V, can not satisfy high-temperature superconductive cable as herein described and need pass through the withstand voltage requirement of direct current 5000V.
Existing hyperconductive cable voltage is drawn plug and is directly drawn through optical fiber or enamel covered wire, and Optical Fiber Transmission can solve problem of withstand voltage, but needs the transformation of digital signal and simulating signal, is unfavorable for the measurement of weak signal.Enamel covered wire is drawn the problem of withstand voltage that then can not solve between the slotted line.
Summary of the invention
The objective of the invention is to overcome existing voltage and draw the low deficiency of plug withstand voltage, propose high-temperature superconductive cable electrical conductor high-voltage signal extraction system.
The present invention leads to High-Voltage Insulation with the voltage measurement line of electrical conductor in the cooled cryostat pipe and draws plug, and High-Voltage Insulation is drawn plug and again the voltage measurement line of electrical conductor led to the voltage tester instrument.Plug is drawn in described High-Voltage Insulation can tolerate 5000V voltage, satisfies the requirement that high-temperature superconductive cable need tolerate 1300V fully.Reliability of the present invention is high, can effectively guarantee the requirement of the required withstand voltage of high-temperature superconductive cable, thereby guarantees the high-temperature superconductive cable operate as normal.
High-temperature superconductive cable electrical conductor high-voltage signal extraction system of the present invention comprises following a few part: plug, voltage tester instrument and serial ports isolator are drawn in high-temperature superconductive cable electrical conductor, cooled cryostat pipe, voltage measurement line, High-Voltage Insulation.
Described high-temperature superconductive cable electrical conductor is sleeved in the described cooled cryostat pipe; One end of described voltage measurement line connects with the high-temperature superconductive cable electrical conductor; The other end of described voltage measurement line is drawn plug with High-Voltage Insulation and is connected, and described voltage measurement line lays along the high-temperature superconductive cable electrical conductor.High-Voltage Insulation is drawn plug and is installed on cooled cryostat tube end skin.Voltage tester instrument and serial ports isolator are installed in the cooled cryostat tube outside, and connect through slotted line.
Described High-Voltage Insulation is drawn plug and is made up of leading-out terminal, epoxy base, last link and following link.
The following link that plug is drawn in High-Voltage Insulation is connected with the cooled cryostat pipe, in order to guarantee the sealing of cooled cryostat pipe.One end of described voltage measurement line is welded on the bottom that the leading-out terminal of plug is drawn in High-Voltage Insulation; The welding of the top of described leading-out terminal and slotted line, measuring-signal are drawn from High-Voltage Insulation to pass to draw in the middle of the following link of plug and are connected to the voltage tester instrument.The epoxy base that plug is drawn in High-Voltage Insulation is processed with the epoxy material that can be used for the above high pressure of anti-5000V, is shaped as right cylinder, and equidistant perforate above the epoxy base is passed the aperture of epoxy base with leading-out terminal, and with epoxy casting with the assurance voltage withstand class.Leading-out terminal uses the red copper wire of diameter as 0.5cm, and the penetration hole diameter of epoxy base is a bit larger tham the diameter of leading-out terminal.The coupling bolt that plug is drawn in High-Voltage Insulation is used to connect the last link and following link that plug is drawn in High-Voltage Insulation.
Voltage tester instrument in apparatus of the present invention is earth-free; Be in floating potential; Security when being operated in high voltage with assurance voltage tester instrument; Voltage tester instrument and computer control system are through the serial ports transmitting test data, and the voltage tester instrument connects 5000V serial ports isolator during serial ports transmission data, can guarantee that so just total system is operated on the safe high voltage potential.
Description of drawings
Fig. 1 high-temperature superconductive cable electrical conductor high-voltage signal extraction system is formed synoptic diagram, and among the figure: plug, 5 voltage tester instrument, 6 serial ports isolators, 7 computer control systems, slotted line 8 are drawn in 1 cooled cryostat pipe, 2 high-temperature superconductive cable electrical conductors, 3 voltage measurement lines, 4 High-Voltage Insulations;
Plug construction figure is drawn in Fig. 2 High-Voltage Insulation, among the figure: link on 9,10 leading-out terminals, 11 epoxy bases, 12 times links, 13 coupling bolts.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, apparatus of the present invention comprise that cooled cryostat pipe 1, high-temperature superconductive cable electrical conductor 2, voltage measurement line 3, High-Voltage Insulation draw plug 4, voltage tester instrument 5, and serial ports isolator 6.One of voltage measurement line 3 terminates at the end of high-temperature superconductive cable electrical conductor 2, and the other end of voltage measurement line 3 is connected to High-Voltage Insulation and draws plug 4, and voltage measurement line 3 lays along the surface of high-temperature superconductive cable electrical conductor 2.High-Voltage Insulation is drawn plug 4 and voltage measurement line 3 is drawn be connected to voltage tester instrument 5 again, and voltage tester instrument 5 is in the suspension operating potential, and its test data exports computer control system to through serial ports isolator 6.
Fig. 2 draws the structural drawing of plug 4 for High-Voltage Insulation.As shown in Figure 2, High-Voltage Insulation is drawn plug 4 and is made up of leading-out terminal 10, epoxy base 11, last link 9, following link 12, coupling bolt 13.Following link 12 is connected with cooled cryostat pipe 1 to guarantee the sealing of cooled cryostat pipe 1.Last link 9 one ends connect voltage measurement line 3, and the other end of last link 9 is connected in voltage tester instrument 5 through slotted line 8.The bottom of high-temperature superconductive cable electrical conductor high-voltage signal extraction system leading-out terminal 10 is welded with by the voltage measurement line 3 of drawing on the high-temperature superconductive cable electrical conductor 2; The upper end of leading-out terminal 10 connects voltage tester instrument 5 through slotted line 8, and the lower end of leading-out terminal 10 connects voltage measurement line 3.Epoxy base 11 is used for the installation of leading-out terminal 10 and guarantees insulation.Leading-out terminal 10 is fixed on the epoxy base 10 through poured with epoxy resin, and leading-out terminal 10 can be for a plurality of.
During operate as normal; Cooled cryostat pipe 1, high-temperature superconductive cable electrical conductor 2, High-Voltage Insulation are drawn plug 4 and are operated under the condition of high voltage; A plurality of leading-out terminals 10 that plug 4 is drawn in High-Voltage Insulation are state of insulation each other, and can stand direct current 5000V high pressure.Voltage measurement signal transfers to voltage tester instrument 5 through voltage measurement line 3, leading-out terminal 10, slotted line 8, and measuring-signal exports computer control system to through serial ports isolator 6 and slotted line 8.
Apparatus of the present invention can guarantee effectively that high-temperature superconductive cable electrical conductor high-voltage signal extraction system can pass through high-temperature superconductive cable electrical conductor 5000V DC voltage withstand test, reliable, the safety of system.
Claims (3)
1. high-temperature superconductive cable electrical conductor high-voltage signal extraction system; It is characterized in that; Described extraction system comprises that cooled cryostat pipe (1), high-temperature superconductive cable electrical conductor (2), voltage measurement line (3), High-Voltage Insulation draw plug (4), voltage tester instrument (5), and serial ports isolator (6); One of described voltage measurement line (3) terminates at the end of high-temperature superconductive cable electrical conductor (2), and the other end of voltage measurement line (3) is connected to High-Voltage Insulation and draws plug (4), and voltage measurement line (3) lays along the surface of high-temperature superconductive cable electrical conductor (2); High-Voltage Insulation is drawn plug (4) and voltage measurement line (3) is drawn is connected to voltage tester instrument (5), and voltage tester instrument (5) is in the suspension operating potential, and the test data of voltage tester instrument (5) exports computer control system to through serial ports isolator (6).
2. high-temperature superconductive cable electrical conductor high-voltage signal extraction system according to claim 1; It is characterized in that described High-Voltage Insulation is drawn plug (4) and is made up of leading-out terminal (10), epoxy base (11), last link (9), following link (12), coupling bolt (13); Described link (12) down is connected with cooled cryostat pipe (1); One end of last link (9) connects voltage measurement line (3), and the other end of last link (9) is connected in voltage tester instrument (5) through slotted line (8); The bottom of described leading-out terminal (10) is welded with the voltage measurement line (3) of drawing from high-temperature superconductive cable electrical conductor (2), and the upper end of leading-out terminal (10) connects voltage tester instrument (5) through slotted line (8); Leading-out terminal (10) is fixed on the epoxy base (10) through poured with epoxy resin.
3. high-temperature superconductive cable electrical conductor high-voltage signal extraction system according to claim 1 and 2; It is characterized in that; During operate as normal; Described cooled cryostat pipe (1), high-temperature superconductive cable electrical conductor (2), High-Voltage Insulation are drawn plug (4) and are operated under the condition of high voltage, and High-Voltage Insulation is drawn and is state of insulation between a plurality of leading-out terminals (10) of plug (4), can stand direct current 5000V high pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210023355.3A CN102539845B (en) | 2012-02-02 | 2012-02-02 | Leading-out system for high-voltage signal of electrified conductor of high-temperature superconductive cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210023355.3A CN102539845B (en) | 2012-02-02 | 2012-02-02 | Leading-out system for high-voltage signal of electrified conductor of high-temperature superconductive cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102539845A true CN102539845A (en) | 2012-07-04 |
| CN102539845B CN102539845B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210023355.3A Expired - Fee Related CN102539845B (en) | 2012-02-02 | 2012-02-02 | Leading-out system for high-voltage signal of electrified conductor of high-temperature superconductive cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728577A (en) * | 2013-12-31 | 2014-04-16 | 深圳供电局有限公司 | Sample testing device capable of being provided with a plurality of superconducting strips |
| CN112798893A (en) * | 2021-01-19 | 2021-05-14 | 中天集团上海超导技术有限公司 | Superconducting cable short sample test platform |
| CN113091924A (en) * | 2021-03-10 | 2021-07-09 | 华中科技大学 | Leading-out structure for temperature measuring optical fiber of high-temperature superconducting cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003034447A1 (en) * | 2001-10-12 | 2003-04-24 | Southwire Company | Superconducting cable termination |
| CN101251425A (en) * | 2008-03-26 | 2008-08-27 | 中国科学院电工研究所 | Method and device for on-line monitoring high temperature superconducting cable conductor temperature |
| CN101387672A (en) * | 2007-09-11 | 2009-03-18 | 上海电缆研究所 | High-temperature superconductive cable insulation electrical characteristic test device |
| EP2146395A1 (en) * | 2006-03-31 | 2010-01-20 | Nexans | Sleeve for connecting a superconductor cable and connection termination via this sleeve |
| US20110269630A1 (en) * | 2010-04-28 | 2011-11-03 | Frank Schimidt | Arrangement with a superconductive cable |
-
2012
- 2012-02-02 CN CN201210023355.3A patent/CN102539845B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003034447A1 (en) * | 2001-10-12 | 2003-04-24 | Southwire Company | Superconducting cable termination |
| EP2146395A1 (en) * | 2006-03-31 | 2010-01-20 | Nexans | Sleeve for connecting a superconductor cable and connection termination via this sleeve |
| CN101387672A (en) * | 2007-09-11 | 2009-03-18 | 上海电缆研究所 | High-temperature superconductive cable insulation electrical characteristic test device |
| CN101251425A (en) * | 2008-03-26 | 2008-08-27 | 中国科学院电工研究所 | Method and device for on-line monitoring high temperature superconducting cable conductor temperature |
| US20110269630A1 (en) * | 2010-04-28 | 2011-11-03 | Frank Schimidt | Arrangement with a superconductive cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728577A (en) * | 2013-12-31 | 2014-04-16 | 深圳供电局有限公司 | Sample testing device capable of being provided with a plurality of superconducting strips |
| CN103728577B (en) * | 2013-12-31 | 2017-08-22 | 深圳供电局有限公司 | A kind of Sample testing device for installing many superconducting tapes |
| CN112798893A (en) * | 2021-01-19 | 2021-05-14 | 中天集团上海超导技术有限公司 | Superconducting cable short sample test platform |
| CN113091924A (en) * | 2021-03-10 | 2021-07-09 | 华中科技大学 | Leading-out structure for temperature measuring optical fiber of high-temperature superconducting cable |
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| Publication number | Publication date |
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| CN102539845B (en) | 2014-03-19 |
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