CN203909211U - High-voltage parallel-capacitor internal fuse test device - Google Patents
High-voltage parallel-capacitor internal fuse test device Download PDFInfo
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- CN203909211U CN203909211U CN201420344909.4U CN201420344909U CN203909211U CN 203909211 U CN203909211 U CN 203909211U CN 201420344909 U CN201420344909 U CN 201420344909U CN 203909211 U CN203909211 U CN 203909211U
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- capacitor
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- fuse
- voltage parallel
- disconnector
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Abstract
The utility model discloses a high-voltage parallel-capacitor internal fuse test device, which comprises two busbar buses. A plurality of analog capacitors are parallelly connected between the two busbar buses. Capacities of the plurality of analog capacitors are sequentially increased according to 2n, wherein n is a natural number. Each analog capacitor branch is respectively serially connected with an isolation switch. One ends of the two busbar buses are serially connected with a discharging switch and an internal fuse. The high-voltage parallel-capacitor internal fuse test device has the beneficial effects that the structure is simple; production is easy; as the parallel analog capacitors are sequentially increased according to 2n, continuous and adjustable capacitance can be provided during the test; the problem that capacitance is matched frequently when analog capacitors are selected during the internal fuse simulation can be solved; the capacitor internal fuse test for simulating any capacitance can be carried out within a certain range; one device can be actually applied to unlimited times of tests in the range; the problem that one test corresponds to one analog capacitor can be solved; the internal fuse test efficiency can be greatly improved; and the test cost can be reduced an saved.
Description
Technical field
The utility model relates to a kind of test unit, particularly fuse test unit in a kind of high-voltage parallel capacitor.
Background technology
Along with social progress and development, more and more higher to the requirement of the quality of power supply.High-voltage parallel capacitor is as power transmission and transformation system important component part, and the economy to electrical network and safe and reliable operation play very important effect.Along with improving constantly of capacitor manufacturing process, the capacity of capacitor is increasing, therefore that single capacitor all adopts is internal fuse protected, i.e. and a fuse of each element series connection.In the time that one or a little element break down, connected interior fuse must fuse in official hour, with isolated fault element, thereby makes capacitor unit be continued operation.Therefore, choose suitable interior fuse the safe and reliable operation of capacitor is played to very important effect.
According to the requirement of " GB/T 11024.4-2001 nominal voltage 1kV is shnt capacitor the 4th part for above AC electric power systems: internal fuse ", in shnt capacitor, fuse must meet the isolation experiment of short circuit dischange test and internal fuse.Draw the specification of fuse according to the calculation of design parameters of capacitor, determine test parameters, adopt the method for simulation test to choose artificial capacitor, hookup as shown in Figure 1.
In traditional interior fuse simulation test, artificial capacitor C
sselection be to produce corresponding capacitor according to tested electrical verification capacity of condenser is interim, or look for the similar capacity cell of capacity, form artificial capacitor by connection in series-parallel, but because the electric capacity of every capacitor is all not quite similar, each test all needs the artificial capacitor of different capabilities, just cause very large economic waste choosing of artificial capacitor for a long time, also had a strong impact on the efficiency of test.
Summary of the invention
The purpose of this utility model is to provide fuse test unit in a kind of high-voltage parallel capacitor, the problem of frequent collocation electric capacity that this device can solve interior fuse simulation test while choosing artificial capacitor, can provide continuously adjustable capacitance for interior fuse test, can realize fuse test in the capacitor of simulating within the specific limits any electric capacity, can greatly improve interior fuse test efficiency, reduce experimentation cost.
For achieving the above object, the utility model adopts following technical scheme:
Fuse test unit in a kind of high-voltage parallel capacitor, comprises two busbars that conflux, and confluxes and is parallel with multiple analog capacitors between busbar at two, and the capacity of described multiple analog capacitors is according to 2
nand n is that natural number increases progressively successively, on each analog capacitor branch road, is connected in series respectively disconnector, and one end of two busbars that conflux is serially connected with discharge switch and interior fuse.
Preferably, described interior fuse is dipped in fuel tank, to simulate its actual working environment.
Preferably, described analog capacitor is 8.
Preferably, the rated voltage of described analog capacitor is 10KV.
Preferably, described analog capacitor two ends connect with disconnector and one of them busbar that confluxes respectively by connecting flexible cord.
Preferably, described disconnector is indoor one pole Manual isolation switch.
Preferably, described disconnector is indoor one pole Pneumatic isolating switch, and is provided with automatic control console, is provided with quantity and is twice in the control knob of disconnector quantity, to control respectively the folding of each disconnector on automatic control console.
Preferably, described disconnector is selected 10KV electric pressure.
The beneficial effects of the utility model are: simple in structure, be easy to produce, by analog capacitor capacity in parallel according to 2
nincrease progressively successively, continuously adjustable electric capacity can be provided in test, the problem of frequent collocation electric capacity can solve interior fuse simulation test and choose artificial capacitor time, can realize fuse test in the capacitor of simulating within the specific limits any electric capacity, an equipment can apply to the unlimited test in scope, the problem that has solved the corresponding a kind of analog capacitor of single test, can improve interior fuse test efficiency greatly, reduces and saves experimentation cost.
Brief description of the drawings
Fig. 1 is interior fuse simulation experiment circuit figure in the related prior art of the utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Fig. 3 is the connection diagram of the utility model analog capacitor.
Fig. 4 is the control knob schematic diagram of automatic control console.
In figure: the busbar 1 that confluxes, discharge switch 2, fuel tank 3, interior fuse 4, disconnector 5, analog capacitor 6, connects flexible cord 7, automatic control console 8, control knob 9.
Embodiment
Embodiment 1
As shown in Figure 2, the interior fuse test unit of a kind of high-voltage parallel capacitor that the utility model is related, comprise two busbars 1 that conflux, conflux and between busbar 1, be parallel with multiple analog capacitors 6 at two, described multiple analog capacitor 6 sorts successively according to capacity, and multiple analog capacitor 6 capacity are according to 2
nand n is that natural number increases progressively successively, on each analog capacitor 6 branch roads, is connected in series respectively conflux one end of busbar 1 of 5, two of disconnectores and is serially connected with discharge switch 2 and interior fuse 4.Described interior fuse 4 is dipped in fuel tank 3, to simulate its actual working environment.
As nonrestrictive preferred, described analog capacitor 6 is 8, and its capacity is followed successively by 1 μ F, 2 μ F, 4 μ F, 8 μ F, 16 μ F, 32 μ F, 64 μ F and 128 μ F, can obtain from the continuously adjustable capacitance of 1～255 μ F.
As nonrestrictive preferred, the rated voltage of described analog capacitor 6 is 10KV, and described disconnector 5 is selected 10KV electric pressure.
As shown in Figure 3, described analog capacitor 6 two ends connect with disconnector 5 and the busbar 1 that confluxes below respectively by connecting flexible cord 7.Described disconnector 5 is common indoor one pole Manual isolation switch, and operating mechanism adopts handle type handle, and conversion is thrown, cut to disconnector 5.
When test, this test unit can analog capacitor unit a series block, an element of this series block is the element that will puncture in isolation experiment, this element is the interior fuse 4 being immersed in fuel tank 3 and replaces in this device, other element of same series block will discharge by described interior fuse 4, choose collocation obtain with section residual capacitance from the capacitance sequence of device.
This test unit is accessed to the end of A, the B in fuse simulation experiment circuit in the tradition of the prior art shown in Fig. 1 by two busbars 1 that conflux, substitute artificial capacitor C
swith interior fuse branch road.Before test, disconnect discharge switch 2, connect selected disconnector 5, the direct supply of busbar 1 front end that confluxes above being connected to just can charge to selected analog capacitor 6.After having charged, connect discharge switch 2, selected analog capacitor starts internal fuse 4 and discharges.
For example BAM11/ √ 3-334-1W capacitor, capacitor internal 4 goes here and there 14 also, and the capacitance of one of them series block is 105 μ F, supposes one of them component breakdown, other intact element discharges to the interior fuse 4 that punctures element, and the capacitance of intact element is 105/14*13=98 μ F.Before test, the 2nd, 6,7 road disconnectores 5 are closed a floodgate, in analog capacitor 6 places in circuit of Ba Zhe tri-road disconnector 5 correspondences, charge, after having charged, connect discharge switch 2, the analog capacitor 6 in place in circuit starts internal fuse 4 and discharges.This tests simple and fast, can save experimentation cost.
Embodiment 2
As shown in Figure 2, the interior fuse test unit of a kind of high-voltage parallel capacitor that the utility model is related, comprise two busbars 1 that conflux, conflux and between busbar 1, be parallel with multiple analog capacitors 6 at two, described multiple analog capacitor 6 sorts successively according to capacity, and multiple analog capacitor 6 capacity are according to 2
nand n is that natural number increases progressively successively, on each analog capacitor 6 branch roads, is connected in series respectively conflux one end of busbar 1 of 5, two of disconnectores and is serially connected with discharge switch 2 and interior fuse 4.
As shown in Figure 3 and Figure 4, described disconnector 5 is indoor one pole Pneumatic isolating switch, and be provided with automatic control console 8, on automatic control console 8, be provided with the control knob 9 that quantity is twice in disconnector 5 quantity, described indoor one pole Pneumatic isolating switch 5 connects source of the gas by gas circuit respectively, described control knob 9 is for the break-make of every gas circuit of control linkage disconnector 5, being that every two control knobs 9 are corresponding controls a disconnector 5, thereby controls respectively access or the disconnection of each analog capacitor 6.
All the other structures of the present embodiment, with embodiment 1, repeat no more.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in instructions and embodiment, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (8)
1. a fuse test unit in high-voltage parallel capacitor, is characterized in that: comprise two busbars that conflux, conflux and be parallel with multiple analog capacitors between busbar at two, the capacity of described multiple analog capacitors is according to 2
nincrease progressively successively, n is natural number, on each analog capacitor branch road, is connected in series respectively disconnector, and one end of two busbars that conflux is serially connected with discharge switch and interior fuse.
2. fuse test unit in high-voltage parallel capacitor according to claim 1, is characterized in that: described interior fuse is dipped in fuel tank.
3. fuse test unit in high-voltage parallel capacitor according to claim 1, is characterized in that: described analog capacitor is 8.
4. according to fuse test unit in the high-voltage parallel capacitor described in claim 1 or 3, it is characterized in that: the rated voltage of described analog capacitor is 10KV.
5. according to fuse test unit in the high-voltage parallel capacitor described in claim 1 or 3, it is characterized in that: described analog capacitor two ends connect with disconnector and the busbar that confluxes respectively by connecting flexible cord.
6. fuse test unit in high-voltage parallel capacitor according to claim 1, is characterized in that: described disconnector is indoor one pole Manual isolation switch.
7. fuse test unit in high-voltage parallel capacitor according to claim 1, it is characterized in that: described disconnector is indoor one pole Pneumatic isolating switch, and be provided with automatic control console, on automatic control console, be provided with quantity and be twice in the control knob of disconnector quantity.
8. according to fuse test unit in the high-voltage parallel capacitor described in claim 1 or 6 or 7, it is characterized in that: described disconnector is selected 10KV electric pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344909.4U CN203909211U (en) | 2014-06-26 | 2014-06-26 | High-voltage parallel-capacitor internal fuse test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344909.4U CN203909211U (en) | 2014-06-26 | 2014-06-26 | High-voltage parallel-capacitor internal fuse test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203909211U true CN203909211U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344909.4U Expired - Fee Related CN203909211U (en) | 2014-06-26 | 2014-06-26 | High-voltage parallel-capacitor internal fuse test device |
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| CN (1) | CN203909211U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885974A (en) * | 2017-01-16 | 2017-06-23 | 国家电网公司 | A kind of high-voltage parallel capacitor short circuit dischange experimental rig |
| CN110100219A (en) * | 2017-11-28 | 2019-08-06 | 深圳市汇顶科技股份有限公司 | Voltage-stablizer and power supply |
| CN111856182A (en) * | 2020-07-15 | 2020-10-30 | 国网青海省电力公司电力科学研究院 | Capacitor tower |
| CN112083357A (en) * | 2020-08-11 | 2020-12-15 | 中国电力科学研究院有限公司 | Method for measuring fusing energy of fuse in high-voltage parallel capacitor |
-
2014
- 2014-06-26 CN CN201420344909.4U patent/CN203909211U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885974A (en) * | 2017-01-16 | 2017-06-23 | 国家电网公司 | A kind of high-voltage parallel capacitor short circuit dischange experimental rig |
| CN110100219A (en) * | 2017-11-28 | 2019-08-06 | 深圳市汇顶科技股份有限公司 | Voltage-stablizer and power supply |
| US10936001B2 (en) | 2017-11-28 | 2021-03-02 | Shenzhen GOODIX Technology Co., Ltd. | Voltage regulator and power supply |
| CN111856182A (en) * | 2020-07-15 | 2020-10-30 | 国网青海省电力公司电力科学研究院 | Capacitor tower |
| CN111856182B (en) * | 2020-07-15 | 2023-06-20 | 国网青海省电力公司电力科学研究院 | Capacitor tower |
| CN112083357A (en) * | 2020-08-11 | 2020-12-15 | 中国电力科学研究院有限公司 | Method for measuring fusing energy of fuse in high-voltage parallel 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: 20141029 Termination date: 20170626 |