CN110335754A - A kind of phase three-wire system capacitance metallization film capacitor - Google Patents
A kind of phase three-wire system capacitance metallization film capacitor Download PDFInfo
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- CN110335754A CN110335754A CN201910596564.9A CN201910596564A CN110335754A CN 110335754 A CN110335754 A CN 110335754A CN 201910596564 A CN201910596564 A CN 201910596564A CN 110335754 A CN110335754 A CN 110335754A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 53
- 238000001465 metallisation Methods 0.000 title claims abstract description 40
- 239000011104 metalized film Substances 0.000 claims abstract description 139
- 239000010408 film Substances 0.000 claims abstract description 66
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 230000008021 deposition Effects 0.000 claims abstract description 5
- 239000004743 Polypropylene Substances 0.000 claims description 17
- -1 polypropylene Polymers 0.000 claims description 16
- 229920001155 polypropylene Polymers 0.000 claims description 16
- 238000012946 outsourcing Methods 0.000 claims description 13
- 230000008719 thickening Effects 0.000 claims description 13
- 238000007740 vapor deposition Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- 238000007747 plating Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 230000003746 surface roughness Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 239000002923 metal particle Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000005350 ferromagnetic resonance Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 5
- 239000010949 copper Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 2
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- GZCWPZJOEIAXRU-UHFFFAOYSA-N tin zinc Chemical compound [Zn].[Sn] GZCWPZJOEIAXRU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/015—Special provisions for self-healing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
- H01G4/2325—Terminals electrically connecting two or more layers of a stacked or rolled capacitor characterised by the material of the terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/32—Wound capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/38—Multiple capacitors, i.e. structural combinations of fixed capacitors
- H01G4/385—Single unit multiple capacitors, e.g. dual capacitor in one coil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of phase three-wire system capacitance metallization film capacitors, it is characterized by: being made of in central spindle the first metalized film and the second metallizing film winding, arrangement is provided with several active electrodes respectively on first metalized film and the second metallization film roll, the end face of first metalized film and the second metalized film is in arrangement in the same direction, several active electrodes are set in parallel along its coiling direction, insulation gap is set between adjacent active electrode, metallization film capacitor provided by the invention takes string structure in multisection type, capacitor has output voltage high, the characteristics of more compact structure, metalized film technology of the present invention makes capacitor have certain self-healing feature, when puncturing, fault point can effectively be disconnected with normal region, fault point is effectively isolated, to improve capacitor can By property, metallization film capacitor anticorrosive, that capacitance is stable can be realized using zinc-aluminium-vapour deposition electrode, high-voltage electric energy meter uses the metallization film capacitor, the ferromagnetic resonance problem of conventional metered dose device can be eliminated, copper material has been saved, high pressure has been realized and integrally measures, and has had the characteristics that high reliablity, small in size and environment friendly and pollution-free.
Description
Technical field
The present invention relates to the capacitors for belonging to high-tension measurement field and using, and in particular to a kind of capacitance-voltage-distributing type high voltage electric energy
Table metallization film capacitor.
Background technique
Existing high-voltage power metering device is by high voltage potential transformer, high-tension current inductor and low-voltage electric energy table pack
It constitutes, wherein voltage transformer is the indispensable a part of electrical energy measurement as voltage sampling unit, traditional voltage is mutual
Sensor is all using ferromagnetic type mutual inductor, and this conventional high-tension electric-power metering product is primarily present following problem: 1) pacifying in operation
It is difficult to ensure in full property, there are the potential faults of ferromagnetic resonance and oil leak；2) manufacturing cost is higher, consume a large amount of copper, iron, absolutely
The resources such as edge material；3) since electricity box are placed in low-voltage area, there are stealing hidden danger；4) volume and weight of mutual inductor is big, gives
Site operation, installation and maintenance are made troubles.
Capacitance type potential transformer has that electric field strength nargin is big, insulation is reliable high, and capacitive part can double as coupling capacitor
It is used for radio frequency carrier channel, is not easy to form ferromagnetic resonance, thunder and lightning wave head can be cut and cheap advantage, but, capacitor
Formula voltage transformer be equipped with capacitive divider, the compensation reactor of ribbon core and electromagnetic type intermediate transformer, therefore appoint so have
The condition of ferromagnetic resonance, while its characteristic responded in passing is poor.
And the electronic voltage transducer of capacitive divider production is used, the not no hidden danger of ferromagnetic resonance；Product does not consume
Copper, iron, it is environmentally protective；Product light and flexible, installation effectiveness greatly improve, and metallized film capacitor is with organic plastics film
Medium is done, electrode is done with metallized film, manufactured capacitor is made winding method, used in metallic film capacitor
Film has poly- ethyl ester, polypropylene, polycarbonate etc., metallized film capacitor be exactly have the function of self-regeneration, if it is that is, electric
Holding inside has punch through damage point, can generate avalanche effect in breakage, gasified metal will form a gasification in breakage and gather
Face, short circuit disappear, and spot failure is repaired；Therefore, metallized film capacitor reliability is very high, and short-circuit failure is not present；Tradition
Metallized film capacitor technique directly plastic foil surface formed a very thin metal surface, as electrode；Due to electricity
Pole very thin thickness can turn to the capacitor of larger capacity；But since thickness of electrode is thin, it is only applicable to low current occasion, and
In the technique of coiling, thoughts winding is before winding, and lead has just connected together with internal electrode, therefore in processing technology,
It is complex, production cost is improved, the small product size of acquisition is big, therefore the capacitor constituted using traditional metallized film capacitor
That there are volumes is big for divided voltage mutual inductor, cost is big.
Summary of the invention
It is an object of the invention to overcome the above deficiencies in the existing technologies, and provide a kind of reasonable in design
Phase three-wire system capacitance metallization film capacitor.
Technical solution used by the present invention solves the above problems is: a kind of phase three-wire system capacitance metallization
Membrane capacitance is made of in central spindle the first metalized film and the second metalized film overlapping, first metalized film and the
Arrangement in the same direction is provided with several active electrodes, first metalized film and the second metallization respectively in two metallization film rolls
The end face of film in arranging in the same direction, and several active electrodes of first metalized film and the second metalized film are along its coiling direction
It is set in parallel, insulation gap is set between adjacent active electrode, first metalized film and the second metallization film roll
Two sides be respectively arranged with insulation stay side and thicken electrode, the insulation of first metalized film and the second metalized film stay side and
Thickening electrode respectively is in opposition opposite side setting, between first metalized film and the segmentum laterale of the second metallizing film winding
It is inserted with polypropylene outsourcing light film, gilding layer, institute is arranged in both ends of the surface after first metalized film and the second metallizing film winding
The thickening electrode for the first metalized film stated and the thickening electrode of the second metalized film respectively correspond the gilding layer connection of one end simultaneously
Extraction electrode.
Further: first metalized film and the second metallization are laminated, between the first metalized film active electrode
Clearance for insulation is in the center that the second metalized film corresponds to active electrode, the insulation between the second metalized film active electrode
Gap is in the center that the first metalized film corresponds to active electrode, first metalized film and the second metalized film
Vapor deposition thickeies electrode and is connected respectively with first metalized film and the second metalized film gilding layer.
Further: first metalized film and the second metalized film uses metallized polypropylene film.
It is further: segmentum laterale of the polypropylene outsourcing light film in the first metalized film and the second metallizing film winding
Between follow the first metalized film and the second metalized film coiling 10~30 to enclose.
It is further: first metalized film and the second metalized film with a thickness of 3~6 μm, maximum rough surface
Spend Rmax be 0.3 μm, the polypropylene outsourcing light film with a thickness of 10~20 μm, maximum surface roughness Rmax be 0.5 μm.
Further: it is 0.5 that hem width degree is stayed in one end insulation in one face of first metalized film and the second metalized film
~1mm, thickening electrode width w are 12mm, and region vapor deposition is provided with N sections of active electrodes between insulation stays side and thickeies motor, 35≤
N, the width d of every section of active electrode are 12~4mm, and clearance for insulation g is 0.5mm between active electrode.
Further: the thickening electrode and active electrode are all made of zinc-aluminium-vapour deposition electrode, and the vapor deposition thickeies electrode
Sheet resistance is 2~5 Ω/, and the sheet resistance of active electrode is that sheet resistance is 5-8 Ω/.
Further: first metalized film and the second metalized film both ends gilding layer use zinc-Sillim's metal particles, first
Spraying plating zinc, rear spraying plating tin, the first metalized film and the second metalized film both ends gilding layer with a thickness of 1~2mm.
Further: the polypropylene outsourcing light film and the first metalized film and the second metalized film are all made of biaxial tension
Technique is made, and percent thermal shrinkage is less than 3.5% in the longitudinal direction at 100 DEG C, and percent thermal shrinkage is less than 0.5% in the direction of the width.
Compared with prior art, the present invention having the following advantages that and effect: reasonable in design, this metallization membrane capacitance,
Metallization film capacitor provided by the invention takes string structure in multisection type, and capacitor has output voltage height, more compact structure
The characteristics of, so that capacitor is had certain self-healing feature based on metalized film technology, when puncturing, fault point can effectively and just
Normal region disconnects, and is effectively isolated to fault point, to improve the reliability of capacitor, invention itself uses zinc-aluminium
Electrode evaporation can realize that metallization film capacitor anticorrosive, that capacitance is stable, metallization film capacitor of the present invention apply to electricity
Minor voltage sensor can eliminate the ferromagnetic resonance problem of conventional metered dose device, saved copper material, realized high pressure and integrally count
Amount, but have high reliablity, reduce failure rate, it is small in size, environment friendly and pollution-free and reduce production cost the characteristics of.
Detailed description of the invention
Fig. 1 is the winding-structure schematic diagram of metallization film capacitor described in the embodiment of the present invention.
Fig. 2 is the radial section structural schematic diagram of metallization film capacitor described in the embodiment of the present invention.
Fig. 3 is the radial section structural schematic diagram of metallization film capacitor described in the embodiment of the present invention.
Fig. 4 is that metallization film capacitor of the embodiment of the present invention is electrically coupled structural schematic diagram.
Accompanying drawing number: the first metalized film 101, the second metalized film 201, the first metalized film, which insulate, stays side 102, and second
Side 202 is stayed in metalized film insulation, and active electrode 103 is deposited in the first metalized film, and active electrode 203 is deposited in the second metalized film,
First metalized film insulation gap 104, the second metalized film insulation gap 204, the first metalized film thickening electrode 105, second
Metalized film thickeies electrode 205, the first metalized film gilding layer 106, the second metalized film gilding layer 206, central spindle 7, polypropylene
Outsourcing light film 8.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Referring to figures 1-4, a kind of phase three-wire system capacitance metallization film capacitor of the present embodiment is by the first gold medal
Categoryization film 101 and the second metalized film 201 overlapping are constituted in central spindle 7, first metalized film 101 and the second metal
Change and arrangement in the same direction is provided with several active electrodes 103,203 respectively on film volume 201, first metalized film 101 and the
The end face of two metalized films 201 is arranged in the same direction, corresponding on first metalized film 101 and the second metalized film 201
Several active electrodes 103,203 are set in parallel along its coiling direction, between the adjacent active electrode 103,203 in same end face respectively
It is correspondingly arranged insulation gap 104,204, the two sides of first metalized film 101 and the second metalized film volume 201 are right respectively
Insulation should be provided with to stay side 102,202 and thicken electrode 105,205, first metalized film 101 and the second metalized film
201 corresponding insulation stay side 102,202 and thicken electrode 105,205 to be arranged in opposition opposite side respectively, and described first
Polypropylene outsourcing light film 8, first metal are inserted between metalized film 101 and the segmentum laterale of the second metalized film 201 winding
Gilding layer 106,206 is arranged in both ends of the surface after changing film 101 and the second metalized film 201 winding, first metalized film 101
The thickening electrode 205 for thickening electrode 105 and the second metalized film 201 respectively corresponds the connection of gilding layer 106,206 of one end and draws
Electrode out, in the present embodiment, the metallization film capacitor takes string structure in multisection type, and capacitor has output voltage
The characteristics of height, more compact structure, while this metallization film capacitor has certain self-healing feature, when puncturing, fault point can
It is effectively disconnected with normal region, fault point is effectively isolated, so that the reliability of capacitor is improved,
First metalized film 101 described in the present embodiment and the stacking of the second metalized film 102, the first metalized film 101 have
Clearance for insulation between effect electrode 103 is in the center of the corresponding active electrode 1203 of the second metalized film 201, the second metal
Change the center that the clearance for insulation between 201 active electrode 203 of film is in the corresponding active electrode 103 of the first metalized film 101,
The vapor deposition of first metalized film 101 and the second metalized film 201 thicken electrode 105,205 respectively with first gold medal
Categoryization film 101 is connected with 201 gilding layer 106,206 of the second metalized film, in the present embodiment after coiling, carries out at both ends
Gilding layer 106,206 and extraction electrode are added, simplifies the process for facilitating technique, effectively reduces process costs.
First metalized film 101 described in the present embodiment and the second metalized film 201 use metallized polypropylene film.
Polypropylene outsourcing light film described in the present embodiment 8 is wound in the first metalized film 101 and the second metalized film 201
Segmentum laterale between follow the first metalized film 101 and 201 coiling 10~30 of the second metalized film to enclose, both ends of the surface pass through spray after winding
Layer gold 106,206 is drawn.
First metalized film 101 described in the present embodiment and the second metalized film 201 with a thickness of 3~6 μm, maximum table
Surface roughness Rmax be 0.3 μm, the polypropylene outsourcing light film 8 with a thickness of 10~20 μm, maximum surface roughness Rmax
It is 0.5 μm.
Side is stayed in one end insulation in 201 1 faces of the first metalized film 101 described in the present embodiment and the second metalized film
102,202 width are 0.5~1mm, thicken electrode 105,205 width w for 12mm, insulation is stayed between side 102,202 and thickening motor
Region vapor deposition is provided with N sections of active electrodes 103,203,35≤N, and the width d of every section of active electrode 103,203 is 12~4mm, has
Imitating clearance for insulation g between electrode 103,203 is 0.5mm.
Thickening electrode 105,205 described in the present embodiment and active electrode 103,203 are all made of zinc-aluminium-vapour deposition electrode,
The vapor deposition thickeies electrode 105,205 sheet resistances are 2~5 Ω/, and the sheet resistance of active electrode 103,203 is that sheet resistance is 5-8 Ω/,
First metalized film 101 described in the present embodiment and 201 both ends gilding layer 106,206 of the second metalized film use zinc-tin metal
Particle, first spraying plating zinc, rear spraying plating tin, the thickness of 201 both ends gilding layer 106,206 of the first metalized film 101 and the second metalized film
Degree is 1~2mm, and the vapor deposition thickeies electrode 105,205 and vapor deposition active electrode 103,203 uses zinc-aluminium electrode evaporation, is first steamed
Aluminize, be deposited zinc afterwards, two kinds of metals can phase counterdiffusion, lower layer's aluminium passes through upper layer zinc and spreads to coating surface, reaches zinc layers surface
Aluminium enhance the resistance to corrosion of upper layer zinc layers；Upper layer zinc layers cover oxidizable aluminium layer, keep capacitance decline small, vapor deposition adds
Thick electrode 105,205 increases the contact area and bond strength of gilding layer 106,206 and electrode, improves metallized capacitor
Through-current capability.
The light of polypropylene outsourcing described in the present embodiment film 8 and the first metalized film 101 and the second metalized film 201 are all made of
Stretch processes are made, and percent thermal shrinkage is less than 3.5% in the longitudinal direction at 100 DEG C, and percent thermal shrinkage is small in the direction of the width
In 0.5%.
It is obtained in high-voltage electric energy meter as above-mentioned using metallization film capacitor described in the present embodiment, tradition can be eliminated
The ferromagnetic resonance problem of metering device has saved copper material, has realized high pressure and integrally measure, and constitutes the metalized film electricity of core component
Container takes string structure in multisection type, and capacitor has the characteristics that output voltage height, more compact structure, is based on metalized film technology
Capacitor is set to have certain self-healing feature, when puncturing, fault point can effectively be disconnected with normal region, be carried out to fault point
It is effectively isolated, to improve the reliability of capacitor, invention itself can be realized anticorrosive, electric using zinc-aluminium-vapour deposition electrode
The stable metallization film capacitor of capacity, reduces the failure rate of voltage conductor, ensure that its stable operation.
Above content is only illustrations made for the present invention described in this specification.Technology belonging to the present invention
The technical staff in field can make various modifications or additions to the described embodiments or by a similar method
Substitution, content without departing from description of the invention or beyond the scope defined by this claim should belong to this
The protection scope of invention.
Claims (9)
1. a kind of phase three-wire system capacitance metallization film capacitor, it is characterised in that: by the first metalized film and
Two metalized films overlapping is constituted in central spindle, respectively in row in the same direction on first metalized film and the second metallization film roll
Cloth is provided with several active electrodes, and the end face of first metalized film and the second metalized film is described in arrangement in the same direction
Several active electrodes of first metalized film and the second metalized film are set in parallel along its coiling direction, adjacent active electrode
Between insulation gap is set, the two sides of first metalized film and the second metallization film roll be respectively arranged with insulation stay side and plus
Thick electrode, it is in opposition opposite side that the insulation of first metalized film and the second metalized film stays side and thickeies electrode respectively
Setting, is inserted with polypropylene outsourcing light film between first metalized film and the segmentum laterale of the second metallizing film winding, described
Gilding layer, the thickening electrode of first metalized film is arranged in both ends of the surface after first metalized film and the second metallizing film winding
Simultaneously extraction electrode is connected with the gilding layer that the thickening electrode of the second metalized film respectively corresponds one end.
2. phase three-wire system capacitance metallization film capacitor according to claim 1, it is characterised in that: described
First metalized film and the second metallization are laminated, and the clearance for insulation between the first metalized film active electrode is in the second metallization
Film corresponds to the center of active electrode, and the clearance for insulation between the second metalized film active electrode is in the first metalized film pair
Answer the center of active electrode, the vapor deposition of first metalized film and the second metalized film thicken electrode respectively with it is described
The first metalized film and the second metalized film gilding layer be connected.
3. phase three-wire system capacitance metallization film capacitor according to claim 1, it is characterised in that: described
The first metalized film and the second metalized film use metallized polypropylene film.
4. phase three-wire system capacitance metallization film capacitor according to claim 1, it is characterised in that: described
Polypropylene outsourcing light film followed between the first metalized film and the segmentum laterale of the second metallizing film winding the first metalized film and
Second metalized film coiling 10~30 circle.
5. phase three-wire system capacitance metallization film capacitor according to claim 1, it is characterised in that: described
The first metalized film and the second metalized film with a thickness of 3~6 μm, maximum surface roughness Rmax be 0.3 μm, it is described poly-
Propylene outsourcing light film with a thickness of 10~20 μm, maximum surface roughness Rmax be 0.5 μm.
6. phase three-wire system capacitance metallization film capacitor according to claim 1, it is characterised in that: described
It is 0.5~1mm that hem width degree l is stayed in one end insulation in one face of the first metalized film and the second metalized film, thickeies electrode width w and is
12mm, region vapor deposition is provided with N sections of active electrodes, 35≤N, the width d of every section of active electrode between insulation stays side and thickeies motor
For 12~4mm, clearance for insulation g is 0.5mm between active electrode.
7. phase three-wire system capacitance metallization film capacitor according to claim 1, it is characterised in that: described
Thickening electrode and active electrode be all made of zinc-aluminium-vapour deposition electrode, it is 2~5 Ω/ that the vapor deposition, which thickeies electrode sheet resistance, effectively
The sheet resistance of electrode is that sheet resistance is 5-8 Ω/.
8. phase three-wire system capacitance metallization film capacitor according to claim 1, it is characterised in that: described
First metalized film and the second metalized film both ends gilding layer use zinc-Sillim's metal particles, first spraying plating zinc, rear spraying plating tin, and first
Metalized film and the second metalized film both ends gilding layer with a thickness of 1~2mm.
9. phase three-wire system capacitance metallization film capacitor according to claim 1, it is characterised in that: described
Polypropylene outsourcing light film and the first metalized film and the second metalized film are all made of stretch processes and are made, 100 DEG C of Shi Chang
Percent thermal shrinkage is less than 3.5% on degree direction, and percent thermal shrinkage is less than 0.5% in the direction of the width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596564.9A CN110335754A (en) | 2019-07-03 | 2019-07-03 | A kind of phase three-wire system capacitance metallization film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596564.9A CN110335754A (en) | 2019-07-03 | 2019-07-03 | A kind of phase three-wire system capacitance metallization film capacitor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111292926A (en) * | 2020-03-04 | 2020-06-16 | 山东泰开互感器有限公司 | 10kV pouring type capacitive voltage transformer with self-healing protection function and installation method |
| CN114334451A (en) * | 2021-11-26 | 2022-04-12 | 西安交通大学 | Metallized film capacitor |
-
2019
- 2019-07-03 CN CN201910596564.9A patent/CN110335754A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111292926A (en) * | 2020-03-04 | 2020-06-16 | 山东泰开互感器有限公司 | 10kV pouring type capacitive voltage transformer with self-healing protection function and installation method |
| CN114334451A (en) * | 2021-11-26 | 2022-04-12 | 西安交通大学 | Metallized film capacitor |
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