CN205246788U - Interior straight hairdo intelligence high voltage condenser - Google Patents
Interior straight hairdo intelligence high voltage condenser Download PDFInfo
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- CN205246788U CN205246788U CN201520821188.6U CN201520821188U CN205246788U CN 205246788 U CN205246788 U CN 205246788U CN 201520821188 U CN201520821188 U CN 201520821188U CN 205246788 U CN205246788 U CN 205246788U
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- capacitor
- current sensor
- high voltage
- spill current
- interior
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Abstract
The utility model discloses an interior straight hairdo intelligence high voltage condenser, including the high voltage sleeve pipe, the capacitance box, capacitor element, poor current sensor group, the wireless transmitting collector of can encoding, low -voltage sleeve pipe and antenna, poor current sensor group contains at least one poor current sensor, poor current sensor passes through the poor mode of connection electricity of bridge and connects inside the condenser, low -voltage sleeve pipe and antenna setting are on the capacitance box, the wireless transmitting collector of can encoding sets up inside the capacitance box, the wireless transmitting collector of can encoding is connected to poor current sensor's output, the wireless transmitting collector output of can encoding passes the low -voltage sleeve pipe and is connected with the antenna electricity, the beneficial effects of the utility model reside in that, make single -phase single capacitors have " wisdom function ", but anytime and anywhere understands the state of every condenser, the poor mode of connection sensitivity of the inside bridge of this kind of condenser is very high and reliable and stable.
Description
Technical field
The utility model relates to power transmission and transformation field of power, particularly relates to a kind of interior conkIntelligence high voltage capacitor.
Background technology
In power transmission and transformation power system, for the most economical reliable electric power in parallel of reactive power compensationPower capacitor reactive compensation installation is generally applied, along with China's extreme high voltage (exchanges 1000kV, direct current± 800kV/ ± 1100kV) the greatly developing of alternating current-direct current power transmission and transformation network, the series connection of spy/extra-high pressure/ shunt compensation power capacitor consumption is increasing, a capacitor number of units that transformer station installsGenerally can reach several thousand even more than 10,000. Now generally for the full film of plain edition of power transmission and transformation systemCapacitor separate unit capacity is all larger, can reach between 334kvar～600kvar, and every capacitor oneAs formed again capacity and the voltage of required single capacitor through connection in series-parallel by 40～80 elements.Transport online at a Ge Te extra-high pressure transformer station 30～600,000 capacitor elements of just having an appointment like thisOK, as certain element is deposited large defect because of raw material or production technology, just difficult after operation a period of timeExempt to puncture, now just need to have pair capacitor internal element fault to carry out safeguard measure, althoughNow general reactive power compensator all contains safeguard measure, comprise capacitor internal error protection,The relay protection of device etc., now plain edition single capacitor internal fault for spy/extra-high pressureProtected mode has: internal fuse protected, without fuse protected and relay protection etc., once separate unit electric capacityDevice generation internal fault, the each protection device of capacitor sequentially-operating in accordance with regulations, the conventionally first orderIt is interior fuse action; The second level is the relay protection action of capacitor device; Present common separate unitCapacitor is mainly made up of high voltage bushing, capacitive, interior fuse, capacitor element, existingThe common separate unit electric capacity that special extra-high pressure series connection/shunt compensation power capacitor apparatus adoptsDevice does not all configure the direct perception components and parts of inner member fault, there is no " wisdom " function, althoughThat single capacitor internal fault protection is provided with is internal fuse protected, without fuse protected, but these electricityInternal tank error protection finally must be (as single in single star by the different modes of connection of capacitor groupPoor or the poor mode of connection of many bridges of bridge, the protection of dual star topology neutral point out-of-balance current, single star differCurrent protection, single star be the mode of connection such as vertical potential difference protection mutually) spill current in complexes/ potential difference sensing device be current transformer or voltage transformer sensing out, because of deviceSenser element sensitivity is low to be only had in the time that single capacitor internal fault parts number reaches someOr puncture when series connection hop count reaches some and just can reflect without fuse protected capacitor internal,The easy like this capacitor fault spread that causes; And which platform capacitor is fault occur in cannot be located, andIn the general each capacitor group of capacitor device (device) of spy/extra-high pressure transformer station by hundreds ofPlatform electric capacity composition, locate that fault capacitor is every to be needed mutually to test up to a hundred capacitors and just can determine, existingTest job amount in field is pretty troublesome very greatly, thereby capacitor device maintenance idle time is also corresponding longer,Reduce the operational percentage of capacitor device.
Also there is minority capacitor device at the outside outlet high voltage bushing of every electric capacity (capacitive)Place installs spill current sensor additional, carrys out every electric capacity state of on-line monitoring by current and voltage method, but thisMethod is fluctuateed by mains frequency, ambient temperature is inhomogeneous, shine upon inequality and capacitorThe inhomogeneous impact of temperature rise is large, and sensitivity is low, install heterodyning current sensor high-voltage insulation issue additionalBe difficult to resolve and certainly wait until shortcoming.
Utility model content
The utility model provides one to find early fault, location for the deficiency of prior artThe intelligent high voltage capacitor of convenient interior conk accurate, that there is wisdom " function ".
The utility model solves above-mentioned technical problem by following technical proposals:
The utility model comprises high voltage bushing, capacitive, capacitor element, spill current sensingDevice group, codified wireless transmission collector, low-voltage sleeve pipe and antenna, high voltage bushing is installedIn capacitive outside, be electrically connected structure with series connection and/or parallel way mutually by multiple capacity cellsBecome the device body of capacitor and be arranged in capacitive, capacitor two ends are by through high voltage bushingTwo total lead-out wires are drawn, and spill current sensor group comprises at least one spill current sensor, poorCurrent sensor is by the poor mode of connection electrical connection of bridge capacitor internal, low-voltage sleeve pipe and antennaBe arranged on capacitive, codified wireless transmission collector is arranged on capacitive inside, spill currentThe output of sensor connects codified wireless transmission collector, codified wireless transmission collectorOutput passes low-voltage sleeve pipe and is connected with antenna.
More specifically, capacitor comprises m × n capacity cell, wherein by m capacity cellThe in parallel series block that forms electric capacity, then by the series block capacitor in series of n electric capacity, poorCurrent sensor group connects between the series block of at least two electric capacity by the poor mode of connection of bridge.
More specifically, capacitor comprise two equate or not wait branch road, between two branch roads lead toCross a spill current sensor of spill current connection access.
More specifically, capacitor is also provided with internal fuse protected, is internal fuse protectedly in capacitorEach capacity cell be provided with an interior fuse of connecting with this capacity cell.
More specifically, capacitive is steel material members.
More specifically, m is that 2～30, n is 2～10.
More specifically, m is that 18, n is 4.
The beneficial effects of the utility model are, once capacitor internal element fault, interior fuseFusing is after fault element isolation, and reliably perception bridge spill current also can the segregate fault of perceptionNumber of elements or the series connection hop count puncturing, can predict forecast single capacitor fault progression mistake in early daysJourney is also carried out fault location from up to ten thousand capacitors, and spill current sensor group can be by breakdownSeries connection hop count or the capacity cell quantity of electric capacity change into spill current, this spill current is again by canCoding wireless transmission collector changes into data signal, and data signal is passed through low-voltage sleeve pipe from skyLine sends to control computer, by software, real time data acquisition and processing is obtained to corresponding failure and hitsWear number of elements or puncture the series connection hop count of electric capacity.
By the utility model, can understand the state of every capacitor whenever and wherever possible, this electric capacityThe poor mode of connection sensitivity of device internal bridge is very high and reliable and stable, thus capacitor device maintenanceIdle time is also corresponding short a lot, has improved the operational percentage of capacitor device; Can avoid capacitorGroup fault discovery causes fault extension excessively evening, and can improve capacitor group and power system security canLean on property, make the power capacitor reactive compensation installation of transformer station can realize " four is distant " intelligent functions.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
Fig. 3 is the structural representation of embodiment 3 of the present utility model.
Fig. 4 is the structural representation of embodiment 4 of the present utility model.
Fig. 5 is the structural representation of embodiment 5 of the present utility model.
Fig. 6 is the structural representation of embodiment 6 of the present utility model.
Fig. 7 is the structural representation of embodiment 7 of the present utility model.
Fig. 8 is the structural representation of embodiment 8 of the present utility model.
Detailed description of the invention
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, new to describe this practicality in detailThe technical scheme of type.
As Fig. 1, embodiment 1 comprises high voltage bushing 1, capacitive 2, interior fuse 3, electricityContainer component 4, spill current sensor group 5, codified wireless transmission collector 7, low-voltageSleeve pipe and antenna 6, high voltage bushing 1 is arranged on capacitive 2 outsides, and capacitor element 4 is establishedPut in capacitive 2, capacitor two ends are drawn by two total lead-out wires through high voltage bushing 1Go out, spill current sensor group 5 comprises two spill current sensors, and spill current sensor group 5 is logicalThe poor mode of connection of passing a bridge is electrically connected capacitor internal, and low-voltage sleeve pipe and antenna 6 are arranged on electric capacityOn case, codified wireless transmission collector 7 is arranged on capacitive inside, spill current sensor group5 output connects codified wireless transmission collector 7, codified wireless transmission collector 7Output passes low-voltage sleeve pipe and is connected with antenna 6, and capacitor comprises 17 × 3 electric capacity unitsPart 4, is wherein made up of the series block of electric capacity 17 capacity cell 4 parallel connections, then by 3 electricityThe series block of holding the i.e. series block of first, second, third electric capacity is followed in series to form capacitor,Two spill current sensors 5 be configured in respectively between the series block of the first and second electric capacity andSecond and the series block of the 3rd electric capacity between, capacitor is also provided with interior fuse 3 and protects, interior fuseProtection is that the each capacity cell in capacitor is provided with one that connects with this capacity cell 4Interior fuse 3.
As Fig. 2, the spill current sensor group 5 of embodiment 2 comprises two spill current sensors,Capacitor comprises the capacity cell 4 of fuse 3 in 18 × 4 bands, wherein by 18 electric capacity unitsPart 4 series block that forms electric capacity in parallel, then by the series block of 4 electric capacity be first, second,Three, the series block of the 4th electric capacity is followed in series to form capacitor, two spill current sensors 5Be configured in respectively between the series block of the first and second electric capacity and the string of the third and fourth electric capacityBetween connection section, the structure of other parts and connected mode are identical with embodiment 1, do not do superfluous at thisState.
As Fig. 3, the spill current sensor group 5 of embodiment 3 comprises a spill current sensor,Capacitor comprises 10 × 4 not capacity cells 4 with interior fuse and to be divided into two of left and right identicalBranch road, spill current sensor 5 be configured in two branch roads in left and right alter-parallel end points itBetween, the structure of other parts and connected mode are identical with embodiment 1, do not repeat at this.
As Fig. 4, the spill current sensor group 5 of embodiment 4 comprises a spill current sensor,Capacitor comprises the capacity cell of fuse in 17 × 3 bands, wherein by 17 capacity cells alsoConnection forms the series block of electric capacity, then is first, second, third electricity by the series block of 3 electric capacityHold series block be followed in series to form capacitor, between the series block of the first and second electric capacity withAnd second and the series block of the 3rd electric capacity between configure same spill current sensor 5, other portionThe structure of part and connected mode are identical with embodiment 1, do not repeat at this.
As Fig. 5, the spill current sensor group 5 of embodiment 5 comprises a spill current sensor,Capacitor comprises the capacity cell of fuse in 18 × 4 bands, wherein by 18 capacity cells alsoConnection forms the series block of electric capacity, then by the series block of 4 electric capacity first, second, third,The series block of the 4th electric capacity is followed in series to form capacitor, in the series block of the first and second electric capacityBetween and between the series block of the third and fourth electric capacity, configure same spill current sensor 5,The structure of other parts and connected mode are identical with embodiment 1, do not repeat at this.
As Fig. 6, the spill current sensor group 5 of embodiment 6 comprises a spill current sensor,Capacitor comprises the capacity cell of fuse in 24 × 4 bands, wherein by 12 capacity cells alsoConnection forms the series block of electric capacity, then is followed in series to form electric capacity by the series block of 4 electric capacity and props upRoad, finally forms capacitor by 2 capacitive branch parallel connections, the interconnection in parallel of two branch roadsBetween end points, configure same spill current sensor 5, the structure of other parts and connected mode andEmbodiment 1 is identical, does not repeat at this.
As Fig. 7, the spill current sensor group 5 of embodiment 7 comprises a spill current sensor,Capacitor comprises the capacity cell of fuse in 24 × 3 bands, wherein by 12 capacity cells alsoConnection forms the series block of electric capacity, then is followed in series to form electric capacity by the series block of 3 electric capacity and props upRoad, finally forms capacitor by 2 capacitive branch parallel connections, and join at 2/3 current potential place of two branch roadsPut a spill current sensor 5, the structure of other parts and connected mode are identical with embodiment 1,Do not repeat at this.
As Fig. 8, the spill current sensor group 5 of embodiment 8 comprises a spill current sensor,Capacitor comprises the capacity cell of fuse in 20 × 4 bands, wherein by 10 capacity cells alsoConnection forms the series block of electric capacity, then is followed in series to form electric capacity by the series block of 4 electric capacity and props upRoad, finally forms capacitor by 2 capacitive branch parallel connections, and join at the intermediate potential place of two branch roadsPut a spill current sensor 5, the structure of other parts and connected mode are identical with embodiment 1,Do not repeat at this.
Spill current sensor group 5 in embodiment 1～8, can be by each capacitor internal electricityThe series block of holding breaks down and punctures the series block of the electric capacity that number of elements or a certain branch road punctureNumber or number of elements are transformed into spill current, and this spill current is converted into number by signal transmitting device 7 againWord signal, this data signal sends to the control computer confluxing in (collecting) case by antenna wireless,By software, real time data acquisition and processing being obtained to corresponding failure punctures number of elements or puncturesThe series connection hop count of electric capacity, thus obtain every capacitor status and realize every capacitor internalState and failure process show and record, realize on-line real time monitoring by cycle detectionEvery capacitor internal state, then by network and or the wireless transmission of 3G/4G can transformer station is everyPlatform capacitor internal real-time status and data transmit our company's data platform and realize data out-of-limitIn time, points out and warning function.
Although more than described detailed description of the invention of the present utility model, the technology of this areaPersonnel should be appreciated that these only illustrate, and protection domain of the present utility model is by appendedClaims limit. Those skilled in the art do not deviate from principle of the present utility model andUnder the prerequisite of essence, can make various changes or modifications to these embodiments, but these changesMore all fall into protection domain of the present utility model with amendment.
Claims (7)
1. conk intelligence high voltage capacitor in a kind, it is characterized in that, comprise high voltage bushing, capacitive, capacitor element, spill current sensor group, codified wireless transmission collector, low-voltage sleeve pipe and antenna, high voltage bushing is arranged on capacitive outside, by multiple capacity cells mutually be electrically connected to form capacitor and being arranged in capacitive of series connection and/or parallel way, capacitor two ends are drawn by two total lead-out wires through high voltage bushing, spill current sensor group comprises at least one spill current sensor, spill current sensor is by the poor mode of connection electrical connection of bridge capacitor internal, low-voltage sleeve pipe and antenna are arranged on capacitive, codified wireless transmission collector is arranged on capacitive inside, the output of spill current sensor connects codified wireless transmission collector, codified wireless transmission collector output passes low-voltage sleeve pipe and is connected with antenna.
2. interior conk intelligence high voltage capacitor according to claim 1, it is characterized in that, capacitor comprises m × n capacity cell, wherein formed the series block of electric capacity by m capacity cell parallel connection, by the series block capacitor in series of n electric capacity, spill current sensor connects between the series block of at least two electric capacity by the poor mode of connection of bridge again.
3. interior conk intelligence high voltage capacitor according to claim 1, is characterized in that, capacitor comprises two branch roads that equate or do not wait, and between two branch roads, accesses a spill current sensor by spill current connection.
4. according to the interior conk intelligence high voltage capacitor described in claim 2 or 3, it is characterized in that, capacitor is also provided with internal fuse protected, is internal fuse protectedly provided with an interior fuse of connecting with this capacity cell for the each capacity cell in capacitor.
5. interior conk intelligence high voltage capacitor according to claim 2, is characterized in that, capacitive is steel material members.
6. interior conk intelligence high voltage capacitor according to claim 2, is characterized in that, m is that 2～30, n is 2～10.
7. interior conk intelligence high voltage capacitor according to claim 6, is characterized in that, m is that 18, n is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520821188.6U CN205246788U (en) | 2015-10-21 | 2015-10-21 | Interior straight hairdo intelligence high voltage condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520821188.6U CN205246788U (en) | 2015-10-21 | 2015-10-21 | Interior straight hairdo intelligence high voltage condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246788U true CN205246788U (en) | 2016-05-18 |
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ID=55945867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520821188.6U Expired - Fee Related CN205246788U (en) | 2015-10-21 | 2015-10-21 | Interior straight hairdo intelligence high voltage condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205246788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3404429A1 (en) * | 2017-05-19 | 2018-11-21 | Bennet Fischer | Capacitor with integrated measurement device |
-
2015
- 2015-10-21 CN CN201520821188.6U patent/CN205246788U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3404429A1 (en) * | 2017-05-19 | 2018-11-21 | Bennet Fischer | Capacitor with integrated measurement device |
| DE102017110990A1 (en) * | 2017-05-19 | 2018-11-22 | ftcap GmbH | capacitor |
| DE102017110990B4 (en) | 2017-05-19 | 2019-01-17 | ftcap GmbH | capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20201021 |