CN205723039U - A kind of novel cylinder helical inductor resistance unit - Google Patents
A kind of novel cylinder helical inductor resistance unit Download PDFInfo
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- CN205723039U CN205723039U CN201620320438.2U CN201620320438U CN205723039U CN 205723039 U CN205723039 U CN 205723039U CN 201620320438 U CN201620320438 U CN 201620320438U CN 205723039 U CN205723039 U CN 205723039U
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Abstract
A kind of novel cylinder helical inductor resistance unit, is dielectrically separated from block, line termination including mounting and fixing support, cylindrical helical resistance ring plate, spiral ring plate.Mounting and fixing support, including circular mounting chassis, vertical fixed core pipe, insulating barrier, vertical fixed core pipe is a cylindrical tubular body, on its face of cylinder, be provided with from top to bottom some be parallel to each other, the tongue-and-groove of identical width, and tongue-and-groove is perpendicular to chassis plane, vertical fixed core pipe one end is concentric with chassis is connected by certain thickness ribbon resistance sheet material, processing is rolled into cylindrical helical, produces inductance, and has resistance characteristic.Reach the purpose that inducer unites two into one with resistor, adapt to transformer neutral point ground connection in extra-high voltage DC transmission system transformer station, there is the novel cylinder helical inductor resistance unit that volume is little, power big, effectively the inducer of suppression transformer neutral point DC magnetic biasing electric current unites two into one with resistor.
Description
Technical field
This utility model relates to the device suppressing DC magnetic bias current in a kind of novel extra-high voltage DC transmission system, belongs to extra-high voltage direct-current transmission and remote conveying power transformation technology field.
Background technology
In the single-stage Transmission Mode of extra-high voltage direct-current transmission, its earthing pole periphery is interior in a big way, and the power transformer neutral point of each transformer station flows into DC magnetic bias current.DC magnetic bias current can make the iron core of transformator magnetize, current waveform distortion, vibration and noise aggravation.When DC magnetic bias current is big to a certain extent, transformer safety will be had a strong impact on and run.In existing transformer station, transformer neutral point is directly grounded generally by reactor.The safety operation level of transformator to be improved; i.e. can effectively suppress transformer neutral point DC magnetic biasing electric current; can reliably protect again the transformator neutral conductor to exempt from the damage equipment insulation because of big electric current overvoltage, be necessary for installing resistance device additional in transformer station's neutral ground loop of influenced by DC magnetic biasing.If installing small resistor device after former reactor additional, there is floor space big, on-the-spot increase equipment is more, and the high difficulty of construction cost, some transformer stations even cannot install additional in original space.
Therefore; reduce the volume of the neutral resistance of the power transformer of transformer station; ensure that neutral resistance plays effectively suppression transformer neutral point DC magnetic biasing electric current; the reliably protecting transformator neutral conductor exempts from the effect of the impact of big electric current, overvoltage, is extra-high voltage DC transmission system and remote conveying field of power transformation needs to be solved the technical problem that.
Summary of the invention
Technical problem to be solved in the utility model is to provide and a kind of adapts to transformer neutral point ground connection in extra-high voltage DC transmission system transformer station, has the novel cylinder helical inductor resistance that volume is little, power big, effectively the inducer of suppression transformer neutral point DC magnetic biasing electric current unites two into one with resistor.
Content of the present utility model is to provide a kind of novel cylinder helical inductor resistance unit, it is dielectrically separated from block, line termination including mounting and fixing support, cylindrical helical resistance ring plate, spiral ring plate, it is characterized in that: described mounting and fixing support, including circular mounting chassis, vertical fixed core pipe, insulating barrier, described vertical fixed core pipe is a cylindrical tubular body, on its face of cylinder, be provided with from top to bottom some be parallel to each other, the tongue-and-groove of identical width, and described tongue-and-groove is perpendicular to chassis plane, vertical fixed core pipe one end is concentric with chassis to be connected.
The number of the most described tongue-and-groove is more than 3.
Preferably described insulating barrier, is the square plate of band tenon, and its bottom surface falcon head is connected with chassis, and lateral falcon head connects with vertical fixed core pipe falcon, and described insulating barrier forms cylinder ring planar.
Preferably described cylindrical helical resistance ring plate be ribbon resistance sheet material be cylindrical helical, the outside of the insulating barrier that its band length direction is described along described mounting and fixing support, helical disk liter becomes the spiral circle column of round.
Preferably described cylindrical helical resistance ring plate, one end is fixedly mounted on circular insulating base, is dielectrically separated from block fixed interval by described spiral ring plate between adjacent coils.
Preferably described cylindrical helical resistance ring plate two ends are respectively arranged with one into and out of end.
Preferably described spiral ring plate is dielectrically separated from block, is provided with cylindrical helical resistance ring plate mounting groove and the slot being connected with the insulating barrier of mounting and fixing support.
It is square or circular that preferably described spiral ring plate is dielectrically separated from block, and fixing between a circle adjacent resistor spiral coil is dielectrically separated from block more than or equal to 3 pieces by spiral ring plate.
Described novel cylinder helical inductor resistance, resistance uses certain thickness ribbon resistance sheet material, becomes the spiral circle column of some circles along band length direction helical disk liter, produces inductance, and has resistance characteristic, reaches the purpose that inducer unites two into one with resistor.Described novel cylinder helical inductor resistance unit, adapt to transformer neutral point ground connection in extra-high voltage DC transmission system transformer station, there is the novel cylinder helical inductor resistance that volume is little, power big, effectively the inducer of suppression transformer neutral point DC magnetic biasing electric current unites two into one with resistor.Reduce extra-high voltage DC transmission system transformer substation construction cost and maintenance cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of novel cylinder helical inductor electric resistance structure；
Fig. 2 is the structure schematic front view of a kind of novel cylinder helical inductor resistance mounting and fixing support.
Fig. 3 is the structure schematic top plan view of a kind of novel cylinder helical inductor resistance mounting and fixing support.
Fig. 4 is the vertical fixed core tubular construction schematic diagram of a kind of novel cylinder helical inductor resistance mounting and fixing support.
Fig. 5 is the insulating barrier structural representation of a kind of novel cylinder helical inductor resistance mounting and fixing support.
Fig. 6 is that a kind of novel cylinder helical inductor resistive spiral ring plate is dielectrically separated from block structure schematic diagram.
Description of reference numerals:
1-cylindrical helical resistance ring plate；200-spiral ring plate is dielectrically separated from block；The slot that 201 insulating barriers connect；202 resistance ring plate mounting grooves；300 mounting and fixing supports；301 installation chassis；302 circular insulating bases；The insulating barrier of 303 mounting and fixing supports；The falcon head that the insulating barrier of 3031 mounting and fixing supports is lateral；The insulating barrier bottom surface falcon head of 3032 mounting and fixing supports；The vertical fixed core pipe of 304 mounting and fixing supports；The vertical fixed core pipe tongue-and-groove of 3041 mounting and fixing supports；The vertical fixed core pipe bottom surface of 3042 mounting and fixing supports；4,5 go out (entering) end.
Detailed description of the invention
For making this utility model become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.Embodiment
As shown in Figure 1, for a kind of novel cylinder helical inductor resistance unit, including mounting and fixing support 300, cylindrical helical resistance ring plate 1, spiral ring plate is dielectrically separated from block 200, line termination 4, 5, described mounting and fixing support 300, including circular mounting chassis 301, vertical fixed core pipe 304, insulating barrier 303, vertical fixed core pipe 304 is a cylindrical tubular body, on its face of cylinder, it is provided with some being parallel to each other from top to bottom, the tongue-and-groove 3041 of identical width, and described tongue-and-groove 3041 is perpendicular to chassis 301 plane, vertical fixed core pipe 304 one end is concentric with chassis 301 to be connected.The number of tongue-and-groove 3041 is more than 3.
Insulating barrier 303, is the square plate of band tenon, and its bottom surface falcon head is connected with chassis 301, and lateral falcon head connects with vertical fixed core pipe 304 falcon, and insulating barrier 303 forms cylinder ring planar.Further, described insulating barrier 303, may be used without other connected modes with chassis 301, vertical fixed core pipe 304.
Cylindrical helical resistance ring plate 1 be ribbon resistance sheet material be cylindrical helical, the outside of the insulating barrier that its band length direction is described along described mounting and fixing support, helical disk liter becomes the spiral circle column of round.Described cylindrical helical resistance ring plate 1, uses certain thickness ribbon resistance sheet material, processing to be rolled into cylindrical helical.Its band length direction is along the outside of the insulating barrier 303 of described mounting and fixing support 300, and helical disk liter becomes the spiral circle column of some circles, further, described cylindrical helical resistance ring plate 1, the spiral number of turns at least 1 circle that helical disk rises.
Cylindrical helical resistance ring plate 1, one end is fixedly mounted on circular insulating base 302, is dielectrically separated from block 200 fixed interval by described spiral ring plate between adjacent coils, and cylindrical helical resistance ring plate 1 two ends are respectively arranged with one into and out of end 4,5.
Described spiral ring plate is dielectrically separated from block 200, is provided with cylindrical helical resistance ring plate 1 mounting groove and the slot 201 being connected with the insulating barrier 303 of mounting and fixing support 300.
It is square or circular that spiral ring plate is dielectrically separated from block 200, and fixing between a circle adjacent resistor spiral coil is dielectrically separated from block 200 more than or equal to 3 pieces by spiral ring plate.
The present embodiment is not intended to the quantity of the fixing insulating barrier 303 being dielectrically separated from block 200, mounting and fixing support 300 by spiral ring plate; also the cylindrical helical resistance ring plate 1 spiral number of turns it is not intended to, if similar to this utility model structure all at protection domain of the present utility model.
Claims (8)
1. a novel cylinder helical inductor resistance unit, it is dielectrically separated from block, line termination including mounting and fixing support, cylindrical helical resistance ring plate, spiral ring plate, it is characterized in that: described mounting and fixing support, including circular mounting chassis, vertical fixed core pipe, insulating barrier, described vertical fixed core pipe is a cylindrical tubular body, on its face of cylinder, be provided with from top to bottom some be parallel to each other, the tongue-and-groove of identical width, and described tongue-and-groove is perpendicular to chassis plane, vertical fixed core pipe one end is concentric with chassis to be connected.
A kind of novel cylinder helical inductor resistance unit the most as claimed in claim 1, it is characterised in that: the number of described tongue-and-groove is more than 3.
A kind of novel cylinder helical inductor resistance unit the most as claimed in claim 1, it is characterized in that: described insulating barrier, be the square plate of band tenon, its bottom surface falcon head is connected with chassis, lateral falcon head connects with vertical fixed core pipe falcon, and described insulating barrier forms cylinder ring planar.
A kind of novel cylinder helical inductor resistance unit the most as claimed in claim 1, it is characterized in that: described cylindrical helical resistance ring plate be ribbon resistance sheet material be cylindrical helical, the outside of the insulating barrier that its band length direction is described along described mounting and fixing support, helical disk liter becomes the spiral circle column of round.
A kind of novel cylinder helical inductor resistance unit the most as claimed in claim 4, it is characterized in that: described cylindrical helical resistance ring plate, one end is fixedly mounted on circular insulating base, is dielectrically separated from block fixed interval by described spiral ring plate between adjacent coils.
A kind of novel cylinder helical inductor resistance unit the most as claimed in claim 1, it is characterised in that: described cylindrical helical resistance ring plate two ends are respectively arranged with one into and out of end.
A kind of novel cylinder helical inductor resistance unit the most as claimed in claim 5, it is characterised in that: described spiral ring plate is dielectrically separated from block, is provided with cylindrical helical resistance ring plate mounting groove and the slot being connected with the insulating barrier of mounting and fixing support.
A kind of novel cylinder helical inductor resistance unit the most as claimed in claim 7, it is characterised in that: it is square or circular that described spiral ring plate is dielectrically separated from block, and fixing between a circle adjacent resistor spiral coil is dielectrically separated from block more than or equal to 3 pieces by spiral ring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320438.2U CN205723039U (en) | 2016-04-18 | 2016-04-18 | A kind of novel cylinder helical inductor resistance unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320438.2U CN205723039U (en) | 2016-04-18 | 2016-04-18 | A kind of novel cylinder helical inductor resistance unit |
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| Publication Number | Publication Date |
|---|---|
| CN205723039U true CN205723039U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620320438.2U Active CN205723039U (en) | 2016-04-18 | 2016-04-18 | A kind of novel cylinder helical inductor resistance unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204221A (en) * | 2017-07-14 | 2017-09-26 | 蚌埠市金盾电子有限公司 | A kind of resistance with inductance coil |
| CN109888740A (en) * | 2019-01-23 | 2019-06-14 | 平高集团有限公司 | A kind of VFTO inhibits device and GIS device |
| CN110148504A (en) * | 2019-06-13 | 2019-08-20 | 上海久能机电制造有限公司 | A kind of transformer neutral point DC magnetic biasing inhibition inductive resistance device |
-
2016
- 2016-04-18 CN CN201620320438.2U patent/CN205723039U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204221A (en) * | 2017-07-14 | 2017-09-26 | 蚌埠市金盾电子有限公司 | A kind of resistance with inductance coil |
| CN109888740A (en) * | 2019-01-23 | 2019-06-14 | 平高集团有限公司 | A kind of VFTO inhibits device and GIS device |
| CN110148504A (en) * | 2019-06-13 | 2019-08-20 | 上海久能机电制造有限公司 | A kind of transformer neutral point DC magnetic biasing inhibition inductive resistance device |
| CN110148504B (en) * | 2019-06-13 | 2024-02-27 | 上海久能机电制造有限公司 | Transformer neutral point DC magnetic bias suppression inductance resistor |
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