CN105390204A - Rated voltage 6kV direct current medium voltage power cable for ship - Google Patents
Rated voltage 6kV direct current medium voltage power cable for ship Download PDFInfo
- Publication number
- CN105390204A CN105390204A CN201510948102.0A CN201510948102A CN105390204A CN 105390204 A CN105390204 A CN 105390204A CN 201510948102 A CN201510948102 A CN 201510948102A CN 105390204 A CN105390204 A CN 105390204A
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- Prior art keywords
- direct current
- power cable
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- semi
- adopts
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/027—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of semi-conducting layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Organic Insulating Materials (AREA)
Abstract
The invention relates to a rated voltage 6kV direct current medium voltage power cable for ship. The power cable is characterized in that a tin-plated copper conductor 1 of a flexible structure of the direct current medium voltage power cable for a medium ship is formed by twisting a plurality of strands of tin-plated copper wires; an insulating layer 3 is at the periphery of the tin-plated copper conductor 1 of the flexible structure and is of a three-layer co-extruding structure including an A semi-conductive layer 2, ethylene-propylene rubber and a B semi-conductive layer 2; a semi-conductive cloth belt 4 wraps outside the insulating layer 3; a tin-plated copper wire armor layer 5 is woven outside the semi-conductive cloth belt 4; and a sheath layer on the armor layer 5 is made of an irradiation cross-linking low smoke halogen-free polyolefin material. The cable has the advantages of being low-smoke, halogen-free and flame-resistant, resisting low temperature, being soft, preventing ablation due to tip discharging, eliminating electrostatic impact, resisting thunder and lightning impact, and being cracking-resistant, can guarantee electrical security, and meets the use requirement of ship in a special environment.
Description
Technical field
The present invention is a kind of naval vessel rated voltage 6kV direct current medium-pressure power cable, to adapt under naval vessel and offshore islands particular surroundings electric power transfer between electric equipment, has excellent mechanical performance and electrical property, Long-Time Service within the scope of-20 ~+90 DEG C.
Background technology
Prior art products, does not have the correlated performance under different environment: 1. flexibility; 2. low cigarette, Halogen, low toxicity performance; 3. lightning impulse resistant performance.Limitation is brought to use.
This product with GB/T17755-2010 " rated voltage peculiar to vessel is for 6kV(Um=7.2kV) to 30kV(Um=36kV) single core and three cores extrude solid insulation power cable ", GJB1916-94 " naval vessel low smoke cables and flexible cord general specification " for reference to foundation, mainly add product correlated performance in particular circumstances: 1. flexibility; 2. low cigarette, Halogen, low toxicity performance; 3. lightning impulse resistant performance,
According to the particular/special requirement of user, take into full account its applicability and reliability, meet multiple environment for use requirement, the reasonability of the design through sample verification experimental verification and reliability.
Summary of the invention
What the present invention proposed is a kind of naval vessel rated voltage 6kV direct current medium-pressure power cable, and its object is intended to the above-mentioned defect overcoming prior art, makes product have correlated performance in particular circumstances: 1. flexibility; 2. low cigarette, Halogen, low toxicity performance; 3. lightning impulse resistant performance, meets the particular/special requirement of user.
Technical solution of the present invention: naval vessel rated voltage 6kV direct current medium-pressure power cable, is characterized in that the flexible structure tinned copper conductor 1 of middle naval vessel direct current midium voltage cable is strands tinned copper wire; Flexible structure tinned copper conductor 1 periphery is insulating barrier 3, described insulating barrier 3 adopts the three-layer co-extruded structure of A semi-conductive layer 2+ ethylene-propylene rubber+B semi-conductive layer 2, the outer wrapped semi-conductive cloth tape 4 of insulating barrier 3, semi-conductive cloth tape 4 outer braiding tinned copper wire armour 5, jacket layer material on armour 5 adopts low-smoke halogen-free polyolefin material, has low-smoke non-halogen flame-retardant, low temperature resistant, soft, the characteristic of preventing point discharge ablation, antistatic impact, lightning impulse resistant, cracking resistance; Ensure Electrical Safety.
The present invention has the following advantages:
(1) low cigarette, Halogen, low toxicity: clear and definite material combustion smoke generation characteristics, halogen content, reduces the pernicious gas of release during burning;
(2) electrical safety: possess the interference of anti-high pressure thunder and lightning, lightning impulse resistant, keep track stability under thunder and lightning environment;
(3) anti-point discharge ablation, antistatic impact;
(4) good environmental adaptability: can use under coastal and ships environment condition, there is the characteristics such as salt spray resistance, resistance to mould, wet-heat resisting.
Accompanying drawing explanation
Accompanying drawing is the structural representation of naval vessel rated voltage 6kV direct current medium-pressure power cable.
In figure 1 is conductor; 2 is semiconductives; 3 is insulating barriers; 4 is semi-conductive cloth tapes; 5 is armours; 6 is restrictive coatings.
Embodiment
As shown in Figure 1, naval vessel rated voltage 6kV direct current medium-pressure power cable, is characterized in that the flexible structure tinned copper conductor 1 of middle naval vessel direct current midium voltage cable is strands tinned copper wire; Flexible structure tinned copper conductor 1 periphery is insulating barrier 3, described insulating barrier 3 adopts the three-layer co-extruded structure of A semi-conductive layer 2+ ethylene-propylene rubber+B semi-conductive layer 2, the outer wrapped semi-conductive cloth tape 4 of insulating barrier 3, semi-conductive cloth tape 4 outer braiding tinned copper wire armour 5, jacket layer material on armour 5 adopts low-smoke halogen-free polyolefin material, has low-smoke non-halogen flame-retardant, low temperature resistant, soft, the characteristic of preventing point discharge ablation, antistatic impact, lightning impulse resistant, cracking resistance; Ensure Electrical Safety.
Described flexible structure tinned copper conductor 1 adopts synnema and cabling device preparation, is five class strands tin-coated copper flexible conductors.
Described three-layer co-extruded structure adopts three-layer co-extruded equipment extruded rubber type semiconductive material+ethylene propylene diene rubber+rubber-type semiconductive material, and the three-layer co-extruded structure of three layers of one is as insulating barrier (3).
Described insulating barrier (3) is ethylene propylene diene monomer (EPDM) material.
Described semi-conductive cloth tape adopts lapping equipment wrapped according to the rate of putting up 30% ~ 40%.
Described armour adopts braiding machine braiding tinned copper wire.
Described restrictive coating adopts extruder to extrude low-smoke halogen-free polyolefin material, and adopts electron accelerator irradiation to be cross-linked.
Described low-smoke non-halogen flame-retardant: insulation smoke index≤45, sheath smoke index≤25; Content of halogen≤0.2%; Insulation poison exponent≤1.5, sheath poison exponent≤5.0; Meet bunchy category-A flame-retardancy requirements in GB GB/18380-2008.
Low temperature resistant: to allow to use under air themperature-40 DEG C of environment.
Soft: conductor adopts soft structure conductor, insulation adopts soft elastomeric material to reach the requirement of Cable Bending Radius 6 times.
Prevention point discharge ablation: under high voltage or pulse voltage, instantaneous electric current can cause the out-of-flatness place i.e. point discharge phenomenon of stranded conductor, the high heat that point discharge produces can cause insulation ablation, destroying insulation property, not reaching the effect of homogenizing electric field prevention point discharge by arranging semi-conductive layer outside conductor.
Antistatic affects: by the outer electrostatic accumulation phenomenon arranging semi-conductive layer and can effectively prevent in long-time running of insulation;
Lightning impulse resistant: the armoured derivation that the instantaneous high pressure produced during lightning impulse, induced current can be woven by tinned copper wire, semi-conductive layer wrapped in armouring can play the effect of homogenizing armour electric field, avoids damaging insulation during lightning impulse.
Cracking resistance: the molecular structure being sheath material by cross-linking radiation has chain to become network structure, thus reach the anti-cracking performance of cable.
The present invention be with GB/T17755-2010 " rated voltage peculiar to vessel is for 6kV(Um=7.2kV) to 30kV(Um=36kV) single core and three cores extrude solid insulation power cable ", GJB1916-94 " naval vessel low smoke cables and flexible cord general specification " for reference to foundation, and adds product correlated performance in particular circumstances: 1. flexibility; 2. low cigarette, Halogen, low toxicity performance; 3. lightning impulse resistant performance, takes into full account the particular/special requirement such as low temperature, softness, meets naval vessel instructions for use, the reasonability of the design through sample verification experimental verification and reliability.Product is applicable to equipment room electric power transfer, has excellent mechanical performance and electrical property.This product has,
1) flexibility is good: the conductor material of employing is that multiply twists flexible conductor again, reaches five class conductor structure requirements of national regulations; Main insulation material adopts soft elastomeric material, not only meets low-smoke zero-halogen low-toxicity requirement but also have excellent electric property;
2) reasonable in design: take into full account prevention point discharge, pre-antistatic and lightning impulse performance in structural design;
3) preparation technology's versatility is good: the production equipment of employing has industry universal, is applicable to large-scale production.4) technological parameter is novel: the product produced increases the requirement of the performance test such as lightning impulse resistant, partial discharge;
5) good environmental adaptability: there is the characteristics such as salt spray resistance, resistance to mould, wet-heat resisting under ships environment condition;
6) compound mode arranging semi-conductive layer inside and outside, insulating barrier wrapped by armour, semiconductive cloth reaches the electrical safety such as lightning impulse resistant, antistatic, anti-point discharge.
Claims (7)
1. naval vessel rated voltage 6kV direct current medium-pressure power cable, is characterized in that the flexible structure tinned copper conductor of middle naval vessel direct current midium voltage cable is strands tinned copper wire; Flexible structure tinned copper conductor periphery is insulating barrier, described insulating barrier adopts the three-layer co-extruded structure of A semi-conductive layer+ethylene-propylene rubber+B semi-conductive layer, the outer wrapped semi-conductive cloth tape of insulating barrier, semi-conductive cloth tape weaves tinned copper wire armour outward, and the jacket layer material on armour adopts low-smoke halogen-free polyolefin material.
2. naval vessel according to claim 1 rated voltage 6kV direct current medium-pressure power cable, it is characterized in that described flexible structure tinned copper conductor adopts synnema and cabling device preparation, is five class strands tin-coated copper flexible conductors.
3. naval vessel according to claim 1 rated voltage 6kV direct current medium-pressure power cable, it is characterized in that described three-layer co-extruded structure adopts three-layer co-extruded equipment extruded rubber type semiconductive material+ethylene propylene diene rubber+rubber-type semiconductive material, the three-layer co-extruded structure of three layers of one is as insulating barrier.
4. naval vessel according to claim 3 rated voltage 6kV direct current medium-pressure power cable, is characterized in that described insulating barrier is ethylene propylene diene monomer (EPDM) material.
5. naval vessel according to claim 1 rated voltage 6kV direct current medium-pressure power cable, is characterized in that described semi-conductive cloth tape adopts lapping equipment wrapped according to the rate of putting up 30% ~ 40%.
6. naval vessel according to claim 1 rated voltage 6kV direct current medium-pressure power cable, is characterized in that described armour adopts braiding machine braiding tinned copper wire.
7. naval vessel according to claim 1 rated voltage 6kV direct current medium-pressure power cable, is characterized in that described restrictive coating adopts extruder to extrude low-smoke halogen-free polyolefin material, and adopts electron accelerator irradiation to be cross-linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948102.0A CN105390204A (en) | 2015-12-17 | 2015-12-17 | Rated voltage 6kV direct current medium voltage power cable for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948102.0A CN105390204A (en) | 2015-12-17 | 2015-12-17 | Rated voltage 6kV direct current medium voltage power cable for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105390204A true CN105390204A (en) | 2016-03-09 |
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ID=55422398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948102.0A Pending CN105390204A (en) | 2015-12-17 | 2015-12-17 | Rated voltage 6kV direct current medium voltage power cable for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105390204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837193A (en) * | 2017-03-03 | 2017-06-13 | 河北华通线缆集团股份有限公司 | Frequency Induction Heating umbilical and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592741A (en) * | 2012-03-22 | 2012-07-18 | 江苏中煤电缆股份有限公司 | Intermediate-frequency low-consumption balance rubber sleeve cable for ships |
| JP2014007042A (en) * | 2012-06-25 | 2014-01-16 | Viscas Corp | Power cable |
| CN204496968U (en) * | 2015-03-23 | 2015-07-22 | 常州船用电缆有限责任公司 | Single core 6.6kV naval vessel midium voltage cable |
-
2015
- 2015-12-17 CN CN201510948102.0A patent/CN105390204A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592741A (en) * | 2012-03-22 | 2012-07-18 | 江苏中煤电缆股份有限公司 | Intermediate-frequency low-consumption balance rubber sleeve cable for ships |
| JP2014007042A (en) * | 2012-06-25 | 2014-01-16 | Viscas Corp | Power cable |
| CN204496968U (en) * | 2015-03-23 | 2015-07-22 | 常州船用电缆有限责任公司 | Single core 6.6kV naval vessel midium voltage cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837193A (en) * | 2017-03-03 | 2017-06-13 | 河北华通线缆集团股份有限公司 | Frequency Induction Heating umbilical and preparation method thereof |
| CN106837193B (en) * | 2017-03-03 | 2019-04-02 | 河北华通线缆集团股份有限公司 | Mid-frequency induction heating umbilical and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160309 |