CN106531415A - Electric reactance device with over voltage suppression and preparation method thereof - Google Patents
Electric reactance device with over voltage suppression and preparation method thereof Download PDFInfo
- Publication number
- CN106531415A CN106531415A CN201611234343.XA CN201611234343A CN106531415A CN 106531415 A CN106531415 A CN 106531415A CN 201611234343 A CN201611234343 A CN 201611234343A CN 106531415 A CN106531415 A CN 106531415A
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- coil
- reactor
- voltage
- wire ring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to the technical field of CVT compensating electric reactance device, and particularly discloses an electric reactance device with over voltage suppression and preparation method thereof, the electric reactance device includes a conduit wire ring, the conduit wire ring includes a first wire ring and a second wire ring, the first wire ring and the second wire ring is connected parallelly, the two ends of the second wire ring are provided parallelly with a protective gap, when the voltage of the second wire ring reaches the breakdown voltage of the protective gap, the protective gap is broken down to lower the voltage of the electric reactance device; the preparation method comprises the steps of fastening and fixing in a sleeving mode an insulation sleeve on the outer side of an iron core; wrapping a high voltage electric cable paper on the insulation sleeve; winding a first wire ring; winding a second wire ring; and coupling the protective gap and the second wire ring. The electric reactance device utilizes the principle of electric magnetic induction, and additionally provides the protective gap in the original electric reactance device, when the electric reactance device carries relatively large voltage, the over discharge protection is triggered, and the voltage of the electric reactance device is lowered, which protects the electric reactance device timely and prevents from burning down and damaging the electric reactance device and also protects the paralleled set up of the protective gap, the installations and replacements are made even more convenient.
Description
Technical field
The present invention relates to capacitance type potential transformer CVT compensation reactor technical fields, specifically one kind have and suppressed
Reactor of voltage and preparation method thereof.
Background technology
With the development of society, the expansion of net capacity so that the rated value of system short circuit capacity increases rapidly, in electric power
When system is short-circuited, the very big short circuit current of numerical value can be produced, it is difficult to the dynamic stability of holding capacitor formula voltage transformer CVT
With it is thermally-stabilised, for the short circuit current of limiting capacitance formula voltage transformer CVT, protect power equipment, it is necessary to which reactor is installed, electricity
Anti- device can reduce short circuit current and make the voltage of transcient short circuit time system keep constant.Reactor is a big inductance coil,
According to electromagnetic induction principle, faradic magnetic field always hinders the change of original magnetic flux, if original magnetic flux is reduced, faradism
The magnetic field of stream is consistent with original magnetic direction, if original magnetic flux increase, faradic magnetic field and original magnetic field side
To contrary.According to this principle, if being short-circuited suddenly failure, electric current increases suddenly, in this big inductance coil,
Produce the reverse potential E of an obstruction flux changeInstead, in this reverse potential EInsteadIn the presence of, one must be produced reversely
Electric current, reach the change for limiting electric current suddenly increase, play a part of limiting short-circuit current, so as to maintain busbar voltage water
It is flat.
The time of reactor longtime running at rated loads, is exactly the service life of reactor.Reactor for a long time compared with
In the presence of high temperature, electric field and magnetic field, the mechanical property of original material will weaken, so as to cause reactor to damage, and
The replacing for carrying out reactor is also more time-consuming.
The content of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of reactor with over-voltage suppression and its making side
Method, increased portable protective gaps on reactor, and when reactor bears larger voltage, portable protective gaps voltage is also increased, and is entered
Row discharge prevention, reduces reactor both end voltage, so as to play a part of protection to reactor.
In order to solve the technical problem in background technology, the invention provides a kind of reactor with over-voltage suppression,
Including lead loop, the lead loop includes that first coil and the second coil, the first coil and the series connection of the second coil connect
Connect, the second coil two ends have been arranged in parallel portable protective gaps, when the voltage at the second coil two ends is reached between the protection
During the breakdown voltage of gap, the portable protective gaps puncture to reduce the both end voltage of the reactor, when the portable protective gaps puncture
The maximum current-carrying value of the second coil is less than by the current value of the second coil.
Further, wire diameter of the wire diameter of second coil more than first coil, second coil
The number of turn of the number of turn less than first coil.
Further, also including iron core, the iron core passes through the center of the first coil and the second coil, the iron core
Outside is provided with insulating cylinder.
Further, also including protective resistance, the protective resistance is connected with the portable protective gaps, and the protective resistance
The two ends of second coil are connected in parallel on portable protective gaps.
A kind of manufacture method of the reactor with over-voltage suppression, step are as follows：
Insulation sleeve fastening is set on the outside of iron core；
High tension cable paper is coated in insulation sleeve outer wall；
The first wire is wound in the outside of the high tension cable paper and forms first coil；
The second wire being wound on the outside of the first coil and forming the second coil, second coil is connected with first coil
Connection；
Two wires are drawn respectively at the two ends of second coil, on two wires are arranged in parallel portable protective gaps.
Further, the portable protective gaps are discharge tube.
Further, the coil two ends of the reactor are arranged with fiberglass pipe respectively.
Further, insulating paper is equipped with outside the first coil and the second coil.
Further, the winding method of the first coil and the second coil is layering coiling, arranges between layers
There is high tension cable paper.
Further, protective resistance is connected in series in the parallel branch with portable protective gaps.
Beneficial effects of the present invention：Protection reactor of the present invention utilizes electromagnetic induction principle, sets up on original reactor
Portable protective gaps, when reactor bears larger voltage, portable protective gaps voltage is also increased, and is carried out discharge prevention, is reduced electricity
Anti- device both end voltage, plays a part of timely protection reactor, prevents from burning damage reactor, and portable protective gaps parallel connection sets
Put, install and change convenient.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the flow chart of manufacture method of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
A kind of reactor with over-voltage suppression is disclosed in one embodiment of the present of invention, including lead loop, institute
Stating lead loop includes that first coil and the second coil, the first coil and the second coil are connected in series, second coil
Wire diameter more than first coil wire diameter, the number of turn of the number of turn of second coil less than first coil, described the
Two coil two ends have been arranged in parallel portable protective gaps, when the voltage at the second coil two ends reaches the breakdown potential of the portable protective gaps
During pressure, the portable protective gaps puncture to reduce the both end voltage of the reactor, pass through the second line when the portable protective gaps puncture
Maximum current-carrying value of the current value of circle less than the second coil.
The reactor also includes iron core, and the iron core passes through the center of the first coil and the second coil, the ferrum
Insulating cylinder is provided with the outside of core.
The reactor also includes protective resistance, and the protective resistance is connected with the portable protective gaps, and the protection electricity
Resistance is connected in parallel on the two ends of second coil with portable protective gaps, for reducing the big electricity that circuit occurs when portable protective gaps play protection
Stream.
So-called portable protective gaps, are a kind of simple lightning protection devices being made up of two metal electrodes.One of electricity
Extremely fixed to connect with live wire on the insulator, another electrode is connected with grounding device by auxiliary gap, two electrodes
Between keep specify clearance distance.Portable protective gaps simple structure, it is easy to maintenance.Under normal circumstances, portable protective gaps are over the ground
Insulation, and dielectric strength is less than the dielectric level of institute's protection circuit, therefore, when circuit is struck by lightning, portable protective gaps are first
It is first breakdown because of overvoltage, a large amount of lightning currents are leaked into into the earth, overvoltage is significantly declined, so as to play protection circuit and
The effect of electrical equipment.
A kind of manufacture method of the reactor with over-voltage suppression is disclosed in one embodiment of the invention, is such as schemed
Shown in 1, step is as follows：
Insulation sleeve fastening is set on the outside of iron core；
High tension cable paper is coated in insulation sleeve outer wall；
The first wire is wound in the outside of the high tension cable paper and forms first coil, one end that first wire is started
Fixed with glass fiber hose, the first coil carries out coiling by the way of layering coiling, is provided with height between layers
Voltage cable paper, the first coil are externally provided with insulating paper；
The second wire is wound on the outside of the first coil forms the second coil, one end glass of the second wire ending
Glass fiber hose is fixed, and second coil is connected in series with first coil, and second coil is by the way of layering coiling
Coiling is carried out, high tension cable paper is provided between layers, second coil is externally provided with insulating paper；
Two wires are drawn respectively at the two ends of second coil, on two wires are arranged in parallel portable protective gaps.Institute
The wire diameter of the wire diameter more than first coil of the second coil is stated, when reactor bears larger voltage, portable protective gaps electricity
Pressure is also increased, and carries out discharge prevention, is played thicker effect, and can be born instantaneous short circuit mistake using thicker wire
Electric current, protection reactor prevent from burning.
Protective resistance is connected in series in the parallel branch with portable protective gaps in an embodiment of the invention, is used
The high current that circuit occurs during protection in portable protective gaps are reduced.
The portable protective gaps are discharge tube in an embodiment of the invention.It is defeated that discharge tube is that one kind is used in equipment
Enter the high voltage protective element at end.If the voltage at its two ends exceeds its protection specification value, short circuit phenomenon occurs inside which, and inhales
That receives input crosses high pressure.From structure, gas-discharge tube can be regarded as a symmetrical switch with very little electric capacity, just
Under normal working condition, it is off, and its electrode resistance is up to more than mega-ohms.When surge voltage exceedes the resistance to pressure of circuit system
When spending, gas-discharge tube is breakdown and there is arc discharge phenomenon, as arc photoelectric is forced down, only tens volts, so as to can be short
The further up of surge voltage is limited in time.Gas-discharge tube limits surge voltage exactly using above-mentioned principle, right
Circuit plays overvoltage protection effect.
Beneficial effects of the present invention：Protection reactor of the present invention utilizes electromagnetic induction principle, sets up on original reactor
Portable protective gaps, when reactor bears larger voltage, portable protective gaps voltage is also increased, and is carried out discharge prevention, is reduced electricity
Anti- device both end voltage, plays a part of timely protection reactor, prevents from burning damage reactor, and portable protective gaps parallel connection sets
Put, install and change convenient.
The above is the preferred embodiment of the present invention, it should be noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of reactor with over-voltage suppression, it is characterised in that including lead loop, the lead loop includes first
Coil and the second coil, the first coil and the second coil are connected in series, and the second coil two ends have been arranged in parallel protection
Gap, when the voltage at the second coil two ends reaches the breakdown voltage of the portable protective gaps, the portable protective gaps puncture with
The both end voltage of the reactor is reduced, by the current value of the second coil less than the second coil when the portable protective gaps puncture
Maximum current-carrying value.
2. a kind of reactor with over-voltage suppression according to claim 1, it is characterised in that second coil
Wire diameter of the wire diameter more than first coil, the number of turn of second coil are less than the number of turn of first coil.
3. a kind of reactor with over-voltage suppression according to claim 1, it is characterised in that also including iron core, institute
Iron core is stated through the first coil and the center of the second coil, on the outside of the iron core, insulating cylinder is provided with.
4. a kind of reactor with over-voltage suppression according to claim 1, it is characterised in that also including protection electricity
Resistance, the protective resistance are connected with the portable protective gaps, and the protective resistance is connected in parallel on second coil with portable protective gaps
Two ends.
5. a kind of manufacture method of the reactor with over-voltage suppression, it is characterised in that step is as follows：
Insulation sleeve fastening is set on the outside of iron core；
High tension cable paper is coated in insulation sleeve outer wall；
The first wire is wound in the outside of the high tension cable paper and forms first coil；
The second wire being wound on the outside of the first coil and forming the second coil, second coil is connected with first coil company
Connect；
Two wires are drawn respectively at the two ends of second coil, on two wires are arranged in parallel portable protective gaps.
6. the manufacture method of a kind of reactor with over-voltage suppression according to claim 5, it is characterised in that described
Portable protective gaps are discharge tube.
7. the manufacture method of a kind of reactor with over-voltage suppression according to claim 5, it is characterised in that described
The coil two ends of reactor are arranged with fiberglass pipe respectively.
8. the manufacture method of a kind of reactor with over-voltage suppression according to claim 5, it is characterised in that described
Insulating paper is equipped with outside first coil and the second coil.
9. the manufacture method of a kind of reactor with over-voltage suppression according to claim 5, it is characterised in that described
The winding method of first coil and the second coil is layering coiling, is provided with high tension cable paper between layers.
10. the manufacture method of a kind of reactor with over-voltage suppression according to claim 5, it is characterised in that
Protective resistance is connected in series in parallel branch with portable protective gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234343.XA CN106531415A (en) | 2016-12-28 | 2016-12-28 | Electric reactance device with over voltage suppression and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234343.XA CN106531415A (en) | 2016-12-28 | 2016-12-28 | Electric reactance device with over voltage suppression and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106531415A true CN106531415A (en) | 2017-03-22 |
Family
ID=58339034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611234343.XA Pending CN106531415A (en) | 2016-12-28 | 2016-12-28 | Electric reactance device with over voltage suppression and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531415A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019018969A1 (en) * | 2017-07-24 | 2019-01-31 | 江苏思源赫兹互感器有限公司 | Reactor having overvoltage suppression function and manufacturing method therefor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB866031A (en) * | 1957-07-09 | 1961-04-26 | Charbonnages De France | Improvements in or relating to protection devices for electric networks |
| CN101217235A (en) * | 2007-12-29 | 2008-07-09 | 凌海科诚电力电器制造有限责任公司 | An overvoltage damping device of interstice |
| CN201282017Y (en) * | 2008-08-21 | 2009-07-29 | 中国西电电气股份有限公司 | Capacitor voltage transformer capable of regulating error on site |
| CN101599342A (en) * | 2009-03-31 | 2009-12-09 | 无锡市泰波电抗器有限公司 | Dry-type hollow electric railway series capacity regulating reactor |
| CN202134912U (en) * | 2011-06-30 | 2012-02-01 | 中国西电电气股份有限公司 | Voltage sharing protective device of UHVDC dry flat wave reactor |
| CN103532123A (en) * | 2013-10-29 | 2014-01-22 | 国家电网公司 | Protective circuit for switching over-voltage protection of dry air reactor |
| CN103887037A (en) * | 2012-12-20 | 2014-06-25 | 湘潭电气设备制造有限责任公司 | Dry-type air core reactor |
-
2016
- 2016-12-28 CN CN201611234343.XA patent/CN106531415A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB866031A (en) * | 1957-07-09 | 1961-04-26 | Charbonnages De France | Improvements in or relating to protection devices for electric networks |
| CN101217235A (en) * | 2007-12-29 | 2008-07-09 | 凌海科诚电力电器制造有限责任公司 | An overvoltage damping device of interstice |
| CN201282017Y (en) * | 2008-08-21 | 2009-07-29 | 中国西电电气股份有限公司 | Capacitor voltage transformer capable of regulating error on site |
| CN101599342A (en) * | 2009-03-31 | 2009-12-09 | 无锡市泰波电抗器有限公司 | Dry-type hollow electric railway series capacity regulating reactor |
| CN202134912U (en) * | 2011-06-30 | 2012-02-01 | 中国西电电气股份有限公司 | Voltage sharing protective device of UHVDC dry flat wave reactor |
| CN103887037A (en) * | 2012-12-20 | 2014-06-25 | 湘潭电气设备制造有限责任公司 | Dry-type air core reactor |
| CN103532123A (en) * | 2013-10-29 | 2014-01-22 | 国家电网公司 | Protective circuit for switching over-voltage protection of dry air reactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019018969A1 (en) * | 2017-07-24 | 2019-01-31 | 江苏思源赫兹互感器有限公司 | Reactor having overvoltage suppression function and manufacturing method therefor |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |