CN103323925B - Terminal connector box device for 500kV optical fiber composition phase conductor - Google Patents
Terminal connector box device for 500kV optical fiber composition phase conductor Download PDFInfo
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- CN103323925B CN103323925B CN201310232245.2A CN201310232245A CN103323925B CN 103323925 B CN103323925 B CN 103323925B CN 201310232245 A CN201310232245 A CN 201310232245A CN 103323925 B CN103323925 B CN 103323925B
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- 239000004020 conductor Substances 0.000 title abstract description 11
- 239000000203 mixture Substances 0.000 title abstract description 9
- 239000013307 optical fiber Substances 0.000 title abstract description 7
- 239000012212 insulator Substances 0.000 claims abstract description 72
- 239000002131 composite material Substances 0.000 claims abstract description 51
- RRVPPYNAZJRZFR-VYOBOKEXSA-N 1-oleoyl-2-palmitoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)O[C@@H](COP([O-])(=O)OCC[N+](C)(C)C)COC(=O)CCCCCCC\C=C/CCCCCCCC RRVPPYNAZJRZFR-VYOBOKEXSA-N 0.000 claims description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 15
- 230000005622 photoelectricity Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulators (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides a terminal connector box device for a 500kV optical fiber composition phase conductor. The device comprises a bottom plate, an upper box body, a lower box body, a composite insulator, a grading ring, a shielding ring and a stationary fixture. The upper box body and the lower box body are respectively installed at the two ends of the composite insulator, the grading ring is arranged between the lower box body and the composite insulator, the grading ring and the shielding ring are arranged between the upper box body and the composite insulator in a back-to-back mode, a cable inlet hole guide pipe is fixed on the upper box body through the stationary fixture, and the device is fixed in a transformer substation through the bottom plate. The terminal connector box device for the 500kV optical fiber composition phase conductor can be adopted in lower optical fiber composition phase conductor engineering under 500kV voltage classes, photoelectricity separation of an optical fiber composition phase conductor line after being led into the transformer substation is achieved, and continuation of the optical fiber composition phase conductor and a leading-in optical cable is completed.
Description
Technical field
The invention belongs to technical field of power system communication, be specifically related to a kind of no-go sub box device for 500kV OPPC.
Background technology
Optical phase conductor is a kind of novel electric power special optical wire, possesses the function of wire and communications optical cable, in the electric pressure transmission lines of electricity such as China power domain 10kV, 35kV, 110kV and 220kV, there is exploratory application, started the research and experiment section construction of 500kV electric pressure OPPC and connector box at present.
Optical phase conductor connector box is a device indispensable in OPPC application in line constructions, and the photodetachment of OPPC circuit and connector box insulating property are one of key points affecting OPPC engineer applied always.Under 500kV electric pressure, circuit is had higher requirement to OPPC photodetachment.
500kV electric pressure OPPC photoelectric separating apparatus is divided into intermediate joint box and termination separator by purposes.The transformer substation framework of OPPC termination separator at the initial two ends of circuit is installed, connect OPPC and guiding optical cable, OPPC termination separator adopts sealing and the optical cable technique for fixing of " high voltage isolation insulation " technology and extra large cable connector box, on shaft tower, once property fused fiber splice continues, and adopts A seating fixed sturcture to install.OPPC termination separator not only will bear high voltage, big current environment, there is good electric property, and connector box itself needs certain physical strength, safety, the stable operation of the equal butt junction box such as its mechanical property, insulating property, sealing property, environmental performance and optical transmission performance or even working line have direct impact.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of no-go sub box device for 500kV OPPC, can under 500kV electric pressure OPPC (Optical Fiber Composition Phase Conductor, OPPC) apply in engineering, realize OPPC circuit and introduce photodetachment after transformer station, and complete continuing of OPPC and leading in cable.
In order to realize foregoing invention object, the present invention takes following technical scheme:
There is provided a kind of no-go sub box device for 500kV OPPC, described device comprises base plate, upper cartridge body, lower box body, composite insulator, grading ring, shading ring and stationary fixture; Described upper cartridge body and lower box body are respectively installed to the two ends of described composite insulator, grading ring is provided with between described lower box body and composite insulator, back-to-backly between described upper cartridge body and composite insulator be provided with grading ring and shading ring, described stationary fixture will enter cable hole conduit and be fixed on described upper cartridge body; Described device is fixed in transformer station by base plate.
Described composite insulator adopts composite rod insulator, and its inner pre-buried smooth unit; The beveled structure of described composite rod insulator is made up of the gamp of equal diameters and the umbellule of equal diameters, described gamp and umbellule are alternately arranged, the umbrella spacing of described gamp is not less than 70mm and is not more than 100mm, and the umbrella of described gamp stretches out the difference of stretching out with the umbrella of umbellule is not less than 20mm.
The mean diameter of described gamp and umbellule is calculated by following formula:
D
av=(D+d
r+2d)/4 (1)
Wherein, D
avfor the mean diameter of gamp and umbellule, D is the external diameter of gamp, d
rfor the external diameter of umbellule, d is bar footpath.The creepage distance of described composite rod insulator is calculated as follows:
L
c=λ×U
m×k
D(2)
Wherein, L
cfor the creepage distance of composite rod insulator, λ is minimum nominal retting-flax wastewater, U
mfor highest voltage for equipment, k
dfor the diameter quotient of insulator.
Described upper cartridge body is circular or sexangle, and is respectively equipped with in upper cartridge body and lower box body and deposits fine box; Adopt sealing gasket to seal between described upper cartridge body and the lid of upper cartridge body, described sealing gasket is by the screw fastening between upper cartridge body and the lid of upper cartridge body.
Described upper cartridge body and lower box body are respectively equipped with into cable hole conduit and go out cable hole conduit, cable hole conduit will be entered and go out cable hole conduit to be respectively fixed on described upper cartridge body and lower box body by bolt, be provided with shading ring between described upper cartridge body and composite insulator, the caliber of described shading ring is 75 ~ 85mm.
The material that described upper cartridge body and lower box body adopt is 5A02, with content of magnesium be 2.0 ~ 2.8%, Fe content is 0.15 ~ 0.4%, copper content is 0.1%, iron content is 0.2%, silicone content is 0.4%, Ti content is 0.1%, all the other are the reasonable offer of aluminium, and described percentage is mass percent.
Described grading ring is insulator equalizing ring, and its caliber is 50 ~ 80mm, and external diameter is 600 ~ 950mm, and degree of raising is 190 ~ 350mm; The material that described insulator equalizing ring adopts is 0Cr13Al, its with carbon content be 0.075%, silicone content is 0.94%, Fe content is 0.97%, phosphorus content is 0.035%, sulfur content is 0.025%, chromium content is 14.0%, surplus is the reasonable offer of iron, described percentage is percent by weight.
Described stationary fixture adopts circular sleeve, adopts semicircle intermediate plate and nut clamping OPPC.
Described upper cartridge body all adopts with composite insulator, between lower box body with composite insulator and is threaded.
Compared with prior art, beneficial effect of the present invention is:
1. the present invention adopts monoblock type fastening clips fixed fiber composition phase conductor, ensures the mechanical property of the connector box device of OPPC;
2. adopt sealing gasket to ensure the sealing property of connector box device, sealing gasket, by the screw fastening between box body and lid, can ensure that the sealing property of connector box device did not lose efficacy in 25 years;
3. light unit (flexible optical cable) is embedded in composite insulator, and adopts insulating sealing materials by hollow filling, carry out twice welding at upper cartridge body and lower box body respectively during fibre junction, guarantee the insulating property of 500kV connector box.Wherein, termination separator insulator rated voltage is 500kV; Insulation distance is 4440mm; Creepage distance is 13750mm (min); Lightning whole wave impact withstand voltage (peak value) is not less than 2050kV; Power frequency 1 minute wet withstand voltage (effective value) is not less than 740kV.
4. between composite insulator end first full skirt is connected with box body, be configured with grading ring, improve the voltage's distribiuting of insulator in insulator chain, prevent composite insulator string from producing corona, and protect insulator, not burnt in protection full skirt surface, prevents skirt from splitting.
5. be configured with shading ring between upper cartridge body and composite insulator described in, the caliber of described shading ring is 75 ~ 85mm, and the diameter of ring should be greater than box body diameter and add enterprising cable hole conduit and the length going out cable hole conduit, shape according to conductively-closed thing can adopt circle, ellipse, nearly square circle, nearly peach-shaped circle etc.
Accompanying drawing explanation
Fig. 1 is the termination separator apparatus structure schematic diagram for 500kV OPPC;
Wherein, 1-base plate, 2-lower box body, 3-composite insulator, 4-grading ring, 5-upper cartridge body, 6-stationary fixture, 7-shading ring.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1, provide a kind of no-go sub box device for 500kV OPPC, described device comprises base plate 1, upper cartridge body 5, lower box body 2, composite insulator 3, grading ring 4, shading ring 7 and stationary fixture 6; Described upper cartridge body 5 and lower box body 2 are respectively installed to the two ends of described composite insulator, grading ring 4 is provided with between described lower box body 2 and composite insulator 3, back-to-backly between described upper cartridge body 5 and composite insulator 3 be provided with grading ring 4 and shading ring 7, described stationary fixture 6 will enter cable hole conduit and be fixed on described upper cartridge body 5; Described device is fixed in transformer station by base plate 1.
Described composite insulator 3 adopts composite rod insulator, and its inner pre-buried smooth unit; The beveled structure of described composite rod insulator is made up of the gamp of equal diameters and the umbellule of equal diameters, described gamp and umbellule are alternately arranged, the umbrella spacing of described gamp is not less than 70mm and is not more than 100mm, and the umbrella of described gamp stretches out the difference of stretching out with the umbrella of umbellule is not less than 20mm.
The mean diameter of described gamp and umbellule is calculated by following formula:
D
av=(D+d
r+2d)/4 (1)
Wherein, D
avfor the mean diameter of gamp and umbellule, D is the external diameter of gamp, d
rfor the external diameter of umbellule, d is bar footpath.The creepage distance of described composite rod insulator is calculated as follows:
L
c=λ×U
m×k
D(2)
Wherein, L
cfor the creepage distance of composite rod insulator, λ is minimum nominal retting-flax wastewater, U
mfor highest voltage for equipment, k
dfor the diameter quotient of insulator.
The voltage's distribiuting of composite insulator 3 is relevant with the ground capacitance of himself, and composite insulator 3 voltage's distribiuting that ground capacitance is large is tending towards even, otherwise then uneven.Composite insulator 3 is little than the ground capacitance of porcelain or glass insulator, then the uneven distribution of voltage is apparent.And the uneven distribution of this voltage of composite insulator 3, electric pressure is higher, show all the more obvious, the insulation sub-pieces number of insulator chain is a lot, the voltage's distribiuting of the every sheet insulator in insulator chain is uneven, first insulator near wire bears high voltage, and therefore first insulator deterioration rate is very high.Composite insulator 3 gradation for surface pollution is III level, is included in Air seriously polluted area, and air is filthy and have the area of heavy fog, bank 1 ~ 3km off sea area, and heavy saline district near saltern.
Described upper cartridge body 5 is circular or sexangle, and is respectively equipped with in upper cartridge body 5 and lower box body 2 and deposits fine box; Adopt sealing gasket to seal between described upper cartridge body 5 and the lid of upper cartridge body 5, described sealing gasket is by the screw fastening between upper cartridge body 5 and the lid of upper cartridge body 5.Sealing gasket, by the screw fastening between box body and lid, can ensure that the sealing property of connector box device did not lose efficacy in 25 years;
After the sealing of no-go sub box device, be immersed in the pond of depth of water 2m, check after 24h, anhydrous infiltration in no-go sub box device, 10 times repeatedly, change without exception in box, illustrate that this design meets the demands.
Described upper cartridge body 5 and lower box body 2 are respectively equipped with into cable hole conduit and go out cable hole conduit, cable hole conduit will be entered and go out cable hole conduit to be respectively fixed on described upper cartridge body 5 and lower box body 2 by bolt, shading ring 7 is provided with between described upper cartridge body 5 and composite insulator 3, the caliber of described shading ring 7 is 80mm, the diameter of ring should be greater than box body diameter and add enterprising cable hole conduit and the length going out cable hole conduit, and the shape according to conductively-closed thing can adopt circle, oval, nearly square circle, nearly peach-shaped circle etc.
The material that described upper cartridge body 5 and lower box body 2 adopt is 5A02, with content of magnesium be 2.0 ~ 2.8%, Fe content is 0.15 ~ 0.4%, copper content is 0.1%, iron content is 0.2%, silicone content is 0.4%, Ti content is 0.1%, all the other are the reasonable offer of aluminium, and described percentage is mass percent.
Described grading ring 4 is insulator equalizing ring, and its caliber is 50mm, and external diameter is 600mm, and degree of raising is 190mm; The material that described insulator equalizing ring adopts is 0Cr13Al, its with carbon content be 0.075%, silicone content is 0.94%, Fe content is 0.97%, phosphorus content is 0.035%, sulfur content is 0.025%, chromium content is 14.0%, surplus is the reasonable offer of iron, described percentage is percent by weight.
Described stationary fixture 6 adopts circular sleeve, adopts semicircle intermediate plate and nut clamping OPPC, mates, play fixing and anti-loosening effect in order to regulate with the cable footpath of OPPC.
Described upper cartridge body 5 all adopts with composite insulator 3, between lower box body 2 with composite insulator 3 and is threaded.
Transformer substation framework for the initial two ends, the online road of no-go sub box device of 500kV OPPC is installed, connecting fiber composition phase conductor and guiding optical cable, the no-go sub box device of OPPC adopts sealing and the optical cable technique for fixing of " high voltage isolation insulation " technology and extra large cable connector box, on shaft tower, once property fused fiber splice continues, and adopts A seating fixed sturcture to install.The no-go sub box device of OPPC not only will bear high voltage, big current environment, there is good electric property, and connector box itself needs certain physical strength, safety, the stable operation of the equal butt junction box such as its mechanical property, insulating property, sealing property, environmental performance and optical transmission performance or even working line have direct impact.
(1) electric property: termination separator insulator rated voltage is 500kV; Insulation distance is 4440mm; Creepage distance is 13750mm (min); Lightning whole wave impact withstand voltage (peak value) is not less than 2050kV; Power frequency 1 minute wet withstand voltage (effective value) is not less than 740kV.
(2) mechanical property: 1. guarantee OPPC optical cable and the mechanical property be connected between connector box with stationary fixture 6 and tensile strength; 2. box body should be able to bear the wall pressure of 2000N, and lifting surface area is 100mm*100mm; 3. the box body energy that should be able to withstand shocks is 16Nm, impacts 3 times; 4. connector box device itself should be able to bear that vibration frequency is 10Hz, amplitude is ± 3mm, vibration number is 10
6secondary vibration.
(3) optical property: the coiling added losses of fiber unit are minimum.
(4) sealing, environmental resistance: the charge pressure of tray interior is 60kPa ± 5kPa, after test, connector box tray interior air pressure does not change, and immersing stable observation 15min in the fresh water container of normal temperature does not have bubble to emerge, and insulator contamination grade is III level.
Because line voltage distribution grade is high, the corona test of gold utensil is of crucial importance, and " electric armour clamp " GB2817-85 specifies: " must carry out corona test for the gold utensil of more than rated voltage 330kV, test should be carried out in fine day indoor, and test specimen is installed by actual use.Can draw according to calculating, OPPC connector box visual critical voltage value is 350kV.
For conventional terminal connector box device, power up be pressed onto 200kV start electric discharge, reason is that grading ring only protects composite insulator, and upper cartridge body is also electrified body, needs the generation preventing corona equally.Upper cartridge body profile is hexagonal configuration at present, adds upper cover and optical cable fixture position, has corner angle, if be circular by upper cartridge body appearance improvement, have corner angle equally, the program is infeasible.Upper cartridge body is installed shading ring 7 by final confirmation, and the program is improved rear about 330kV and started corona of discharging, and main discharge position is on tube wall, and this even shading ring caliber is 50mm, and caliber is less than normal a little.Having is exactly welding position again, and position is welded in outside ring, and institute to produces corona.Shading ring 7 caliber in accompanying drawing 1 is 80mm, can start electric discharge, stand the test by resistance to about the 380kV of being pressed onto.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. for a no-go sub box device for 500kV OPPC, it is characterized in that: described device comprises base plate, upper cartridge body, lower box body, composite insulator, grading ring, shading ring and stationary fixture; Described upper cartridge body and lower box body are respectively installed to the two ends of described composite insulator, grading ring is provided with between described lower box body and composite insulator, back-to-backly between described upper cartridge body and composite insulator be provided with grading ring and shading ring, described stationary fixture will enter cable hole conduit and be fixed on described upper cartridge body; Described device is fixed in transformer station by base plate;
The material that described upper cartridge body and lower box body adopt is 5A02, with content of magnesium be 2.0 ~ 2.8%, Fe content is 0.15 ~ 0.4%, copper content is 0.1%, iron content is 0.2%, silicone content is 0.4%, Ti content is 0.1%, all the other are the reasonable offer of aluminium, and above percentage is mass percent;
Described composite insulator adopts composite rod insulator, and its inner pre-buried smooth unit; The beveled structure of described composite rod insulator is made up of the gamp of equal diameters and the umbellule of equal diameters, described gamp and umbellule are alternately arranged, the umbrella spacing of described gamp is not less than 70mm and is not more than 100mm, and the umbrella of described gamp stretches out the difference of stretching out with the umbrella of umbellule is not less than 20mm;
Described upper cartridge body is circular or sexangle, and is respectively equipped with in upper cartridge body and lower box body and deposits fine box; Adopt sealing gasket to seal between described upper cartridge body and the lid of upper cartridge body, described sealing gasket is by the screw fastening between upper cartridge body and the lid of upper cartridge body;
Described upper cartridge body and lower box body are respectively equipped with into cable hole conduit and go out cable hole conduit, cable hole conduit will be entered and go out cable hole conduit to be respectively fixed on described upper cartridge body and lower box body by bolt, be provided with shading ring between described upper cartridge body and composite insulator, the caliber of described shading ring is 75 ~ 85mm;
Described grading ring is insulator equalizing ring, and its caliber is 50 ~ 80mm, and external diameter is 600 ~ 950mm, and degree of raising is 190 ~ 350mm;
The material that described Grading Ring of Polymer Insulator adopts is 0Cr13Al, its with carbon content be 0.075%, silicone content is 0.94%, Fe content is 0.97%, phosphorus content is 0.035%, sulfur content is 0.025%, chromium content is 14.0%, surplus is the reasonable offer of iron, above percentage is percent by weight;
Described stationary fixture adopts circular sleeve, adopts semicircle intermediate plate and nut clamping OPPC;
Described upper cartridge body all adopts with composite insulator, between lower box body with composite insulator and is threaded.
2. the no-go sub box device for 500kV OPPC according to claim 1, is characterized in that: the mean diameter of described gamp and umbellule is calculated by following formula:
D
av＝(D+d
r+2d)/4 (1)
Wherein, D
avfor the mean diameter of gamp and umbellule, D is the external diameter of gamp, d
rfor the external diameter of umbellule, d is bar footpath.
3. the no-go sub box device for 500kV OPPC according to claim 1, is characterized in that: the creepage distance of described composite rod insulator is calculated as follows:
L
c＝λ×U
m×k
D(2)
Wherein, L
cfor the creepage distance of composite rod insulator, λ is minimum nominal retting-flax wastewater, U
mfor highest voltage for equipment, k
dfor the diameter quotient of insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310232245.2A CN103323925B (en) | 2013-06-13 | 2013-06-13 | Terminal connector box device for 500kV optical fiber composition phase conductor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310232245.2A CN103323925B (en) | 2013-06-13 | 2013-06-13 | Terminal connector box device for 500kV optical fiber composition phase conductor |
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| Publication Number | Publication Date |
|---|---|
| CN103323925A CN103323925A (en) | 2013-09-25 |
| CN103323925B true CN103323925B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310232245.2A Active CN103323925B (en) | 2013-06-13 | 2013-06-13 | Terminal connector box device for 500kV optical fiber composition phase conductor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103955036B (en) * | 2014-04-17 | 2016-08-17 | 中国能源建设集团江苏省电力设计院有限公司 | With tower mixed pressure multiloop cable system and optical fiber splicing method thereof |
| CN111948768A (en) * | 2020-07-20 | 2020-11-17 | 广州启懿实业有限责任公司 | Photoelectric separation device suitable for layer-twisted and central tube type optical fiber composite phase line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2851686B1 (en) * | 2003-02-25 | 2006-03-03 | Cit Alcatel | ELECTRIC ISOLATOR |
| CN102033279B (en) * | 2010-12-20 | 2012-05-09 | 江东金具设备有限公司 | Optical fiber composite aerial earth wire (OPGW) energy-saving joint box |
| CN203350494U (en) * | 2013-06-13 | 2013-12-18 | 国家电网公司 | Terminal junction box device used for 500kV optical fiber composition phase conductor |
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2013
- 2013-06-13 CN CN201310232245.2A patent/CN103323925B/en active Active
Non-Patent Citations (4)
| Title |
|---|
| 800KV隔离开关屏蔽环设计;徐光辉;《高压电器》;20061031;第42卷(第5期);正文第338-339页第2部分，图3 * |
| 翟庆华 等.110KV光纤复合架空相线(OPPC)接头盒的研制.《中国通信学会 2009年光缆电缆学术年会论文集》.2009, * |
| 陈广生,巩风国.光纤复合架空相线(OPPC)接头盒.《广西电力》.2006, * |
| 高海拔750KV变电站防晕金具设计及电场分析;杨小库 等;《中国电力》;20111130;第44卷(第11期);全文 * |
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| CN103323925A (en) | 2013-09-25 |
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