CN103018587A - System and method for electrostatic discharge test of high-voltage cable under high-energy electronic irradiation - Google Patents
System and method for electrostatic discharge test of high-voltage cable under high-energy electronic irradiation Download PDFInfo
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- CN103018587A CN103018587A CN2012104828248A CN201210482824A CN103018587A CN 103018587 A CN103018587 A CN 103018587A CN 2012104828248 A CN2012104828248 A CN 2012104828248A CN 201210482824 A CN201210482824 A CN 201210482824A CN 103018587 A CN103018587 A CN 103018587A
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Abstract
The invention relates to a system and a method for an electrostatic discharge test of a high-voltage cable under high-energy electronic irradiation, and belongs to the field of measurement. The system comprises a beam integrating instrument, a faraday cylinder, an electron accelerator, a vacuum chamber, a vacuum pumping system, a test table, a sample fixture and a high-voltage cable working simulation system. The method comprises the following steps in sequence: starting the vacuum pumping system to vacuum the vacuum chamber; starting a high-voltage power supply for providing working voltage to a high-voltage cable sample; starting the electron accelerator to induce an insulating layer of the high-voltage cable to perform electrostatic discharge; monitoring the energy and the beam density of the high-energy electron through the beam integrating instrument and the faraday cylinder; and monitoring the discharge impulse waveform of the insulating layer of the high-voltage cable to a cable core through an oscilloscope, as well as the discharge impulse waveform of the insulating layer to a shielding layer. By adopting the system and the method, the high-energy electronic irradiation environment and the vacuum environment of a GEO (Geosynchronous Orbit) orbit can be simulated well, thereby being beneficial to inducing the high-voltage cable to perform electrostatic discharge and carrying out relative effect studies.
Description
Technical field
The present invention relates to a kind of under high-energy electron irradiation the system and method for high-tension cable ESD test, be specially adapted to the research that satellite high-tension cable ground discharges and recharges simulation test, belong to fields of measurement.
Background technology
High-tension cable is the chief component of satellite high-voltage power supply and distribution system, and the satellite high-tension cable produces static discharge under band electrical environment irradiation, thereby brings out the electrostatic breakdown of internal system assembly, causes the components interior short circuit, causes that satellite energy loss even whole star lost efficacy.In view of anomalous event and the fault importance of high-tension cable electrostatic discharge problem to the satellite generation, caused international related personnel's extensive concern, Abroad in Recent Years has been carried out a large amount of experiment works in this regard.
At present, be accompanied by the continuous progress of China's satellite technology, in order to satisfy the demand of telstar long-life high-performance, China's satellite platform all will adopt high specific impulse, long-life, high efficiency ion-conductance propulsion system in a large number, need to use high-tension cable that the operating voltage of 1000V is provided to the ion-conductance propulsion system.When satellite transit during at the GEO track, high-energy electron irradiation in its spatial charging environment can cause the charging and discharging effects of satellite high-tension cable, static discharge when being charged to higher current potential, the insulation course of high-tension cable occurs, can have a strong impact on the job stability of ion-conductance propulsion system, thereby affect the function of satellite.
The charging and discharging effects protection question of high-tension cable has become the serious bottleneck that restricts China's satellite development of new techniques.It is weak that yet China charges and discharge aspect the effect Research foundation at high-tension cable, lacks means of defence and the design means of effective high-tension cable charging and discharging effects, therefore must carry out the high-tension cable ESD test work under the high-energy electron irradiation.
Summary of the invention
The technical matters that the present invention solves is: in conjunction with the layout characteristics of space charge environment and high-tension cable, utilize the high-energy electron irradiation simulation experiment method to carry out high-tension cable ESD test under the high-energy electron irradiation.
For achieving the above object, technical scheme of the present invention is as follows.
High-tension cable ESD test system under a kind of high-energy electron irradiation, described system comprises: line integraph, Faraday cylinder, electron accelerator, vacuum chamber, vacuum-pumping system, testing table, sample clamp, high-tension cable work simulation system.
Wherein, at internal vacuum chamber, electron accelerator is fixedly mounted on the vacuum chamber top; Testing table is installed on the vacuum chamber bottom surface, is provided with sample clamp at testing table, and the high-tension cable sample levels is fixed on the sample clamp; The unsettled testing table top that is fixed on of Faraday cylinder, Faraday cylinder and testing table are positioned at the radiation scope of electron accelerator;
Outside vacuum chamber, high-tension cable work simulation system is connected with the high-tension cable sample by wire; The line integraph is connected with Faraday cylinder; Vacuum-pumping system is connected with vacuum chamber;
The high-tension cable sample is divided into four layers from outside to inside, is followed successively by cable sheath, screen layer, insulation course, cable core; Described cable sheath and insulation course are that insulating polymeric material, screen layer and cable core material are copper;
Described high-tension cable sample is the high-tension cable group, by two or two parallel with one another obtaining of high-tension cable that above model is identical with length; Be connected to each other at an end of the high-tension cable group cable core with high-tension cable, this end is the A end; Be connected to each other at the other end of the high-tension cable group screen layer with high-tension cable, this end is the B end;
Preferred high-tension cable work simulation system comprises the first pulse current probe, the second pulse current probe, oscillograph, high-voltage power supply, diode;
The connected mode of described high-tension cable work simulation system is as follows.
The positive pole of high-voltage power supply and the anodic bonding of diode, the negative electrode of diode is connected with the A end of high-tension cable group, ground connection after the B end of high-tension cable group is connected with the negative pole of high-voltage power supply; The first pulse current probe set the high-tension cable group the link position of A end and diode cathode, the position of the second pulse current probe set between the earth terminal of the B of high-tension cable group end and high-voltage power supply; The first pulse current probe be connected the pulse current probe and all be connected with oscillograph;
Acting as of diode, the protection high-voltage power supply prevents the excessive damage high-voltage power supply of discharge current;
The first pulse current probe, the second pulse current probe and oscillographic acting as are detected the cable core of high-tension cable group and the discharge pulse of screen layer;
Acting as of high-voltage power supply is for the high-tension cable group provides operating voltage;
High-tension cable ESD test method under a kind of high-energy electron irradiation, described method step is as follows:
In the preferred steps two, the operating voltage that high-voltage power supply provides is adjustable in 0～5000V.
In the preferred steps three, the energy of the high energy electron that electron accelerator produces is adjustable in 0.8～2.5MeV, and the beam current density scope is at 1～25pA/cm
2Interior adjustable.
In the preferred steps four, by the discharge transient pulse signal of CT-2 pulse current probe difference Monitoring High Voltage Cable sample insulation course to cable core, and insulation course utilizes the oscillograph recording high-tension cable sample static discharge transient pulse waveform in the high-tension cable work simulation system simultaneously to the screen layer transient pulse signal that discharges.
Beneficial effect
(1) adopts electron accelerator and vacuum system, simulate preferably GEO track high-energy electron irradiation environment and vacuum environment, be conducive to bring out the generation of high-tension cable static discharge phenomenon and carry out correlation effect research;
(2) high-tension cable ESD test method can be distinguished the high-voltage cable insulating layer to cable core discharge with to two kinds of discharge scenario of cable shield discharge, can provide important evidence for protection Design work;
(3) high-tension cable ESD test method is workable, and this pilot system working stability is applicable to the high-tension cable electrostatic breakdown test of all kinds of satellites of GEO track.
Description of drawings
Fig. 1 is the structural representation of the system of high-tension cable ESD test under the high-energy electron irradiation of the present invention.
Fig. 2 is the schematic cross section of high-tension cable sample of the present invention.
Fig. 3 is the structural representation of high-tension cable work simulation of the present invention system.
Among the figure: 1-line integraph, 2-Faraday cylinder, 3-electron accelerator, 4-vacuum chamber, 5-vacuum-pumping system, 6-testing table, 7-sample clamp, 8-high-tension cable work simulation system, 9-high-tension cable sample, 10-cable core, 11-insulation course, 12-screen layer, 13-cable sheath, 1 second pulse current probe, 15-oscillograph, 16-high-voltage power supply, 17-diode, 18-the first pulse current probe.
Embodiment
Embodiment
As shown in Figure 1, high-tension cable ESD test system under a kind of high-energy electron irradiation, described system comprises: line integraph 1, Faraday cylinder 2, electron accelerator 3, vacuum chamber 4, vacuum-pumping system 5, testing table 6, sample clamp 7, high-tension cable work simulation system 8, high-tension cable sample 9.
Wherein, in vacuum chamber 4 inside, electron accelerator 3 is fixedly mounted on vacuum chamber 4 tops; Testing table 6 is installed on vacuum chamber 4 bottom surfaces, is provided with sample clamp 7 at testing table 6, and high-tension cable sample 9 is horizontally fixed on the sample clamp 7; Faraday cylinder 2 unsettled testing table 6 tops that are fixed on, Faraday cylinder 2 and testing table 6 are positioned at the radiation scope of electron accelerator 3;
Have the through hole that wire is passed through at vacuum chamber 4; The through hole of wire by having on the vacuum chamber 4 will be positioned at vacuum chamber 4 outer high-tension cable work simulation systems 8 and be connected with high-tension cable sample 9; In like manner, the through hole of wire by having on the vacuum chamber 4 will be positioned at vacuum chamber 4 outer line integraphs 1 and be connected with Faraday cylinder 2; Vacuum-pumping system 5 is connected with vacuum chamber 4;
High-tension cable sample 9 is divided into four layers from outside to inside, is followed successively by cable sheath 13, screen layer 12, insulation course 11, cable core 10; Described cable sheath 13 and insulation course 11 are copper for insulating polymeric material, screen layer 12 and cable core 10 materials;
Described high-tension cable sample 9 is the high-tension cable group, by two or two parallel with one another obtaining of high-tension cable that above model is identical with length; Be connected to each other at an end of the high-tension cable group cable core with high-tension cable, this end is the A end; Be connected to each other at the other end of the high-tension cable group screen layer with high-tension cable, this end is the B end;
High-tension cable work simulation system 8 comprises the first pulse current probe 18, the second pulse current probe 14, oscillograph 15, high-voltage power supply 16, diode 17; Described the first pulse current probe 18, the second pulse current probe 14 are CT-2 pulse current probe.
The connected mode of described high-tension cable work simulation system is as follows.
The anodic bonding of the positive pole of high-voltage power supply 16 and diode 17, the negative electrode of diode 17 is connected with the A end of high-tension cable group, ground connection after the B end of high-tension cable group is connected with the negative pole of high-voltage power supply 16; The first pulse current probe 18 be enclosed within the high-tension cable group the link position of A end and diode cathode, the second pulse current probe 14 is enclosed within the position between the earth terminal of the B end of high-tension cable group and high-voltage power supply 16; The first pulse current probe 18 be connected pulse current probe 14 and all be connected with oscillograph 15;
High-tension cable ESD test method under a kind of high-energy electron irradiation, described method step is as follows:
In sum, more than be preferred embodiment of the present invention only, be not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. high-tension cable ESD test system under the high-energy electron irradiation, it is characterized in that: described system comprises: line integraph (1), Faraday cylinder (2), electron accelerator (3), vacuum chamber (4), vacuum-pumping system (5), testing table (6), sample clamp (7), high-tension cable work simulation system (8);
Wherein, in vacuum chamber (4) inside, electron accelerator (3) is fixedly mounted on vacuum chamber (4) top; Testing table (6) is installed on vacuum chamber (4) bottom surface, is provided with sample clamp (7) at testing table (6), and high-tension cable sample (9) is horizontally fixed on the sample clamp (7); Unsettled testing table (6) top that is fixed on of Faraday cylinder (2), Faraday cylinder (2) and testing table (6) are positioned at the radiation scope of electron accelerator (3);
Outside vacuum chamber (4), high-tension cable work simulation system (8) is connected with high-tension cable sample (9) by wire; Line integraph (1) is connected with Faraday cylinder (2); Vacuum-pumping system (5) is connected with vacuum chamber (4).
2. high-tension cable ESD test system under a kind of high-energy electron irradiation according to claim 1, it is characterized in that: described high-tension cable sample (9) is the high-tension cable group, by two or two parallel with one another obtaining of high-tension cable that above model is identical with length; Be connected to each other at an end of the high-tension cable group cable core with high-tension cable, this end is the A end; Be connected to each other at the other end of the high-tension cable group screen layer with high-tension cable, this end is the B end;
Described high-tension cable work simulation system (8) comprises the first pulse current probe (18), the second pulse current probe (14), oscillograph (15), high-voltage power supply (16), diode (17);
The connected mode of described high-tension cable work simulation system (8) is as follows:
The anodic bonding of the positive pole of high-voltage power supply (16) and diode (17), the negative electrode of diode (17) is connected with the A of high-tension cable group end, ground connection after the B end of high-tension cable group is connected with the negative pole of high-voltage power supply (16); The first pulse current probe (18) be enclosed within the high-tension cable group the link position of A end and diode (17) negative electrode, the second pulse current probe (14) is enclosed within the position between the earth terminal of the B end of high-tension cable group and high-voltage power supply (16); The first pulse current probe (18) be connected pulse current probe (14) and all be connected with oscillograph (15).
3. high-tension cable ESD test system under a kind of high-energy electron irradiation according to claim 1 and 2, it is characterized in that: described high-tension cable sample (9) is divided into four layers from outside to inside, is followed successively by cable sheath (13), screen layer (12), insulation course (11), cable core (10).
4. high-tension cable ESD test method under the high-energy electron irradiation, it is characterized in that: described method step is as follows:
Step 1, unlatching vacuum-pumping system (5) vacuumize vacuum chamber (4), to vacuum tightness≤5.0 * 10-4Pa;
Step 2, unlatching high-voltage power supply (16) add work voltage for high-tension cable sample (9);
Step 3, unlocking electronic accelerator (3) make it produce high-energy electron irradiation high-tension cable sample (9), bring out high-voltage cable insulating layer (11) static discharge phenomenon occurs; Energy and beam current density by line integraph (1) and Faraday cylinder (2) monitoring high energy electron;
Step 4, the insulation course (11) by oscillograph (15) Monitoring High Voltage Cable are to the Discharge pulse waveform of cable core (10), and insulation course (11) is to the Discharge pulse waveform of screen layer (12).
5. high-tension cable ESD test method under a kind of high-energy electron irradiation according to claim 4, it is characterized in that: in the step 2, the operating voltage that high-voltage power supply (16) provides is adjustable in 0～5000V.
6. high-tension cable ESD test method under a kind of high-energy electron irradiation according to claim 4, it is characterized in that: in the step 3, the energy of the high energy electron that electron accelerator (3) produces is adjustable in 0.8～2.5MeV, and the beam current density scope is at 1～25pA/cm
2Interior adjustable.
7. high-tension cable ESD test method under a kind of high-energy electron irradiation according to claim 4, it is characterized in that: in the step 4, described the first pulse current probe (18), the second pulse current probe (14) is CT-2 pulse current probe, by the discharge transient pulse signal of CT-2 pulse current probe difference Monitoring High Voltage Cable sample insulation course (11) to cable core (10), and insulation course (11) utilizes oscillograph (15) record high-tension cable sample (9) the static discharge transient pulse waveform in the high-tension cable work simulation system (8) simultaneously to the discharge transient pulse signal of screen layer (12).
8. high-tension cable ESD test method under each described a kind of high-energy electron irradiation according to claim 4 ~ 7, it is characterized in that: described high-tension cable sample (9) is divided into four layers from outside to inside, is followed successively by cable sheath (13), screen layer (12), insulation course (11), cable core (10).
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Cited By (7)
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| CN103245858A (en) * | 2013-04-24 | 2013-08-14 | 兰州空间技术物理研究所 | Device and method for ground-based simulation experimentation of charging effect of high altitude satellite material |
| CN103267903A (en) * | 2013-04-24 | 2013-08-28 | 兰州空间技术物理研究所 | Device and method for measuring satellite material surface electrostatic discharge pulse characteristics |
| CN103760432A (en) * | 2013-12-20 | 2014-04-30 | 兰州空间技术物理研究所 | Polar orbit satellite bus power cable secondary discharge ground simulation test system and method |
| CN103760476A (en) * | 2013-12-24 | 2014-04-30 | 兰州空间技术物理研究所 | Device, system and method for testing internal discharge of cables for satellite |
| CN104237684A (en) * | 2014-09-03 | 2014-12-24 | 兰州空间技术物理研究所 | Testing device and method for electrostatic discharge of spacecraft dielectric material |
| CN104535868A (en) * | 2015-01-09 | 2015-04-22 | 中国人民解放军军械工程学院 | Electrostatic discharge test device under electromagnetic pulse radiation environment |
| CN114560109A (en) * | 2022-03-17 | 2022-05-31 | 中国科学院国家空间科学中心 | Space proton deep charging ground simulation device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103245858A (en) * | 2013-04-24 | 2013-08-14 | 兰州空间技术物理研究所 | Device and method for ground-based simulation experimentation of charging effect of high altitude satellite material |
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| CN103760432A (en) * | 2013-12-20 | 2014-04-30 | 兰州空间技术物理研究所 | Polar orbit satellite bus power cable secondary discharge ground simulation test system and method |
| CN103760432B (en) * | 2013-12-20 | 2016-09-28 | 兰州空间技术物理研究所 | Polar-orbiting satellite bus feed cable secondary discharge injection ground simulation test system and method |
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| CN103760476B (en) * | 2013-12-24 | 2017-02-01 | 兰州空间技术物理研究所 | Device, system and method for testing internal discharge of cables for satellite |
| CN104237684A (en) * | 2014-09-03 | 2014-12-24 | 兰州空间技术物理研究所 | Testing device and method for electrostatic discharge of spacecraft dielectric material |
| CN104535868A (en) * | 2015-01-09 | 2015-04-22 | 中国人民解放军军械工程学院 | Electrostatic discharge test device under electromagnetic pulse radiation environment |
| CN114560109A (en) * | 2022-03-17 | 2022-05-31 | 中国科学院国家空间科学中心 | Space proton deep charging ground simulation device and method |
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Application publication date: 20130403 |