CN109738725A - Prolong arc loop apparatus - Google Patents
Prolong arc loop apparatus Download PDFInfo
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- CN109738725A CN109738725A CN201811650082.9A CN201811650082A CN109738725A CN 109738725 A CN109738725 A CN 109738725A CN 201811650082 A CN201811650082 A CN 201811650082A CN 109738725 A CN109738725 A CN 109738725A
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Abstract
The present invention relates to High-Voltage Electrical Appliances experimental technique fields, specifically provide one kind and prolong arc loop apparatus.It includes capacitor group that this, which prolongs arc loop apparatus, the capacitor group has wiring side and the non-wiring side opposite with wiring side equipped with connecting terminal, it is described prolong arc loop apparatus include two with non-wiring side mode close to each other arrange opposite to each other at group capacitor group, further include and the spaced separate capacitors group of the capacitor assembling in groups.It will be arranged opposite to each other at group capacitor group, and keep the non-wiring side of twenty percent group capacitor group close to each other, and away from each other at the wiring side in group capacitor group, increase the distance between two wiring sides, so that connecting terminal be made to be in reasonable insulation distance；And distance reduces between non-wiring side, under conditions of guaranteeing that wiring side terminal is in the insulation distance of safety, reduces into group capacitor group and is prolonging the occupied space in arc loop apparatus, makes to prolong arc loop structure and more simplify.
Description
Technical field
The present invention relates to High-Voltage Electrical Appliances experimental technique fields, and in particular to one kind prolongs arc loop apparatus.
Background technique
In high-voltage electrical equipment testing inspection and test technology investigation, synthetic test is an important component.Prolong
Arc loop apparatus mainly extends the arcing time of circuit breaker arc, makes to break as the important device in synthetic test, effect
The arcing time of road device at low voltage is identical as the arcing time under voltage rating, to reach the synchronously control of synthetic test
Purpose.Such as the Chinese invention patent file that Authorization Notice No. is CN103592600B discloses one kind suitable for high-voltage circuitbreaker
Synthesis loop test synchronous control system, which mainly acquires the current signal of current loop by magnetic potentiometer, according to
The ignition pill igniting that current signal and preset setting time keep the response time very short carrys out turning circuit, to guarantee to prolong arc circuit
With voltage circuit making time meet test period it is synchronous require.
One kind in the prior art is prolonged arc loop apparatus electrical schematic diagram and is filled as shown in Figure 1, prolonging arc loop apparatus by direct current
Electric installation (DCS), isolation knife (GCa, GCb, GCc, GCe, GCd), capacitor group (Ca, Cb, Cc), damping resistance (Ra, Rb,
Rc), discharge resistance (Rfa, Rfb, Rfc), discharge switch (Gfa, Gfb, Gfc), ignition pill (Ga, Gb, Gc), vacuum circuit breaker
(ZKa, ZKb, ZKc) etc. is constituted.When carrying out single-phase synthetic test, using by charging unit (DCS), isolation knife (GCa, GCd),
Capacitor group (Ca), damping resistance (Rac), discharge resistance (Rfa), discharge switch (Gfa), ignition pill (Ga), vacuum circuit breaker
(ZKa) composition is single-phase prolongs arc circuit；When carrying out three phase synthetic test, using by charging unit (DCS), isolation knife (GCa,
GCb, GCc, GCe, GCd), capacitor group (Ca, Cb, Cc), damping resistance (Ra, Rb, Rc), discharge resistance (Rfa, Rfb, Rfc),
Discharge switch (Gfa, Gfb, Gfc), ignition pill (Ga, Gb, Gc), vacuum circuit breaker (ZKa, ZKb, ZKc) etc. constitute three-phase and prolong arc
Circuit.
Wherein, isolation knife GCa, GCb, the GCc connecting with DCS are respectively used to line conduction so that electric charge transfer to electricity
On the pole plate of container, charge corresponding capacitor group Ca, Cb, Cc.And the structure of isolation knife GCe is identical as the structure of GCa, no
It only can be as the spare of GCa, it may have other functions.P1, P2 are the connection sheets in route, belong to dismounting under normal conditions
State indicates that this route disconnects here, under such operating condition, can be closed isolation knife GCe to charge use to b phase；If
P1 removes, P2 connection, isolation knife GCe closure can charge use to b phase, c phase under such operating condition；If P1 connection, P2 are removed,
Isolation knife GCe can be closed under such operating condition to charge use to a phase, b phase；It can will be every if P1, P2 are all connected with, under such operating condition
Come to give the charging use jointly of a phase, b phase, c phase from knife GCe closure.
This prolongs the arrangement form of the capacitor group in arc loop apparatus as shown in Fig. 2, capacitor group is by 12 capacitors
It composes in parallel, is divided into upper layer and lower layer, every layer has 6 capacitors, and there are two terminals for each capacitor: high-voltage end and ground connection
End, the high-voltage end of each capacitor are drawn by connecting sleeve 10, and ground terminal passes through copper bar and is connected in earth-return circuit, in capacitor
When combination forms capacitor group, the high-voltage end of capacitor is connected together by copper braid over braid and copper bar, unified to be existed by setting
Connecting terminal 6 in capacitor group is connected in circuit.Specifically, this, which prolongs, is provided with first capacitor device group in arc loop apparatus
1, the second capacitor group 2 and third capacitor group 3 are provided with the connecting terminal 6 connecting with external circuit, wiring in capacitor group
Terminal 6 is also equipped with multiple, realizes by connecting connecting terminal 6 different in each capacitor group and changes capacitor group capacitor
Value, each capacitor group all have wiring side 4 equipped with connecting terminal 6 and it is opposite with wiring side 4, do not set connecting terminal
6 non-wiring side, specifically, being provided with three connecting terminals 6, the wiring of capacitor group on the wiring side 4 of capacitor group
End face 5 is each provided with a connecting terminal 6, when arranging each capacitor group, 4 upper connecting terminal of wiring side of each capacitor group
6 towards identical, due to needing to guarantee certain insulation distance between the connecting terminal 6 on each wiring side 4, if insulation distance
Become smaller, then dielectric level cannot be protected, and reliability can also reduce, therefore when arranging each capacitor group, it is necessary to
The distance between enough insulation distances being arranged between each capacitor group, but increase each capacitor group will make entirely to prolong arc
The volume in circuit becomes larger, and causes the waste of space resources.
Summary of the invention
The purpose of the present invention is to provide one kind to prolong arc loop apparatus, accounts for for solving to prolong in the prior art arc loop apparatus
With the big problem in space.
To achieve the goals above, the present invention prolongs arc loop apparatus and adopts the following technical scheme that:
Prolong arc loop apparatus, including capacitor group, the capacitor group have wiring side equipped with connecting terminal and with
The opposite non-wiring side in wiring side, the arc loop apparatus that prolongs includes two mode phases close to each other with non-wiring side
Back arrangement at group capacitor group, further include with described at setting spaced separate capacitors group between group capacitor group.
The beneficial effect of above-mentioned technical proposal is: will arrange opposite to each other at group capacitor group, and make the non-of twenty percent group capacitor group
Wiring side is close to each other, away from each other at the wiring side in group capacitor group, increases the distance between two wiring sides,
To make connecting terminal be in reasonable insulation distance；And distance reduces between non-wiring side, is guaranteeing wiring lateral ends
Under conditions of insulation distance of the son in safety, reduces into group capacitor group and prolonging the occupied space in arc loop apparatus, make
Prolong arc loop structure more to simplify.
Further, the connection side of the separate capacitors group is facing towards the connection side at group capacitor group wherein side
Face.The connection side of separate capacitors group is facing towards the wiring side arrangement at group capacitor group, using only electricity and between electricity
It is spaced to accommodate the connecting terminal in separate capacitors group, improves space utilization rate, reduce the occupancy sky for prolonging arc loop apparatus
Between.
Further, the wiring end face adjacent with itself wiring side is all had at group capacitor group, separate capacitors group,
Each wiring end face is equipped with connecting terminal.Connecting terminal on wiring end face and wiring side is used to wiring so that capacitor is connected
Connecting terminal is set on capacitor arrangement wiring end face in group, in corresponding wiring, can be improved the utilization rate in space.
Further, prolonging arc loop apparatus includes that a phase, b phase and c phase bus, separate capacitors group are connect with a phase bus,
It is connect respectively with b phase bus and c phase bus at group capacitor group, is correspondingly provided with a, b, c between each capacitor group and respective bus bars
Phase ignition pill, each ignition pill are arranged in triangle.Ignition pill in compared with the prior art will light a fire along straight line arranged
Ball is triangularly arranged, and under the premise of not influencing ignition pill triggering igniting, increases the linear distance between each ignition pill,
The probability for reducing the false triggering in ignition pill trigger process and interfering with each other improves the stability for prolonging arc loop apparatus.
Further, a phase ignition pill is arranged in a manner of axis collinear with c phase ignition pill, b phase ignition pill be located at a,
The side of the close capacitor group of line between c phase ignition pill.A phase ignition pill and c phase ignition pill are arranged symmetrically, and are returned so that prolonging arc
The structure of road device is more compact.
Detailed description of the invention
Fig. 1 is to prolong arc loop apparatus electrical schematic diagram in the prior art；
Fig. 2 is the layout drawing that the prior art prolongs the capacitor group in arc loop apparatus；
Fig. 3 is that the present invention prolongs arc loop apparatus complete layout；
Fig. 4 is the layout drawing that the present invention prolongs capacitor group in arc loop apparatus；
Fig. 5 is the layout drawing that the present invention prolongs ignition pill in arc loop apparatus；
Description of symbols: 1- first capacitor device group, 2- the second capacitor group, 3- third capacitor group, 4- wiring side,
5- wiring end face, 6- connecting terminal, the first ignition pill of 7-, the second ignition pill of 8-, 9- third ignition pill, 10- connecting sleeve.
Specific embodiment
Embodiments of the present invention are described further below with reference to attached drawing.
The present invention prolongs the specific embodiment of arc loop apparatus:
As shown in figure 3, prolonging arc loop apparatus, including DC charging device (DCS), discharge resistance (Rfa, Rfb, Rfc),
One capacitor group 1, the second capacitor group 2, third capacitor group 3, damper switch (Ra, Rb, Rc), the first ignition pill 7, second point
The structures such as fireball 8, third ignition pill 9, vacuum circuit breaker (ZKa, ZKb, ZKc).
Wherein, first capacitor device group 1, the second capacitor group 2, third capacitor group 3 be when being arranged, as shown in figure 4,
The non-wiring side of second capacitor group 2 and third capacitor group 3 is close to each other, and wiring side 4 deviates from, and the two is collectively formed into
Group capacitor group, first capacitor device group 1 are used as separate capacitors group, and wiring side 4 is towards the second capacitor group 2, and the
There is interval between one capacitor group 1 and the second capacitor group 2.In the present embodiment, first capacitor device group 1 and the second capacitor
2 centre distance is organized as 3160mm, the centre distance of the second capacitor group 2 and third capacitor group 3 is 1360mm.
Each capacitor group all has the wiring end face 5 adjacent with itself wiring side 4, in wiring side 4 and terminals
Connecting terminal 6 is provided on face 5, the capacitor arrangement in each capacitor group can be connected in connecting terminal 6 with wiring.Capacitor in groups
Non- wiring side in device group away from each other, increases into the distance between two wiring sides 4, first capacitor in group capacitor group
Device group 1 has interval at group capacitor group, but also the connecting terminal 6 of each capacitor group is in reasonable insulation distance, and
The group capacitor group close to each other that decreases at the non-wiring side of group capacitor group is prolonging the occupancy in arc loop apparatus
Space simplifies the structure for entirely prolonging arc loop apparatus more.
Prolonging arc loop apparatus further includes a phase, b phase and c phase bus, wherein and first capacitor device group is connect with a phase bus, at
In group capacitor group, the second capacitor group 2 is connect with b phase bus, and third capacitor group 3 is connect with c phase bus, each capacitor group
Be correspondingly provided with a, b, c phase ignition pill between corresponding bus, i.e. the first ignition pill 7, the second ignition pill 8, third ignition pill 9,
Three ignition pills are arranged in triangle, under the premise of not influencing ignition pill triggering igniting, are increased straight between each ignition pill
Linear distance reduces the false triggering in each ignition pill trigger process and interferes with each other probability, improves and prolong arc loop apparatus
Stability；In addition, to keep the structure for prolonging arc loop apparatus more compact, the specific arrangement method of three ignition pills are as follows: first point
Fireball 7 and third ignition pill 9 arrange that the second ignition pill 8 is located at the first ignition pill 7 and third ignition pill in a manner of axis collinear
9 lines close to the side of capacitor group, and the first ignition pill 7 and third ignition pill 9 towards identical, the second ignition pill 8 and
The direction of three ignition pills 9 is opposite.In the present embodiment, the centre distance of the first ignition pill 7 and third ignition pill 9 is 2900mm,
The central horizontal distance of 9 line of second ignition pill 8 and the first ignition pill 7 and third ignition pill is 1500mm.
In the present embodiment, the first ignition pill and third ignition pill are arranged in a manner of axis collinear, the second ignition pill position
In the first ignition pill and third ignition pill line close to the side of each capacitor group.In other embodiments, other can also be used
Arrangement, for example, the axis of the first ignition pill and third ignition pill is not conllinear or the second ignition pill is located remotely from each electricity
The side of container group can also arrange three along straight line in other embodiments, and no longer use the arrangement of triangle
Form.
In the present embodiment, the first ignition pill and third ignition pill towards identical, the second ignition pill and third ignition pill
Direction it is opposite.In other embodiments, other arrangements can also be used, for example, the first ignition pill and third ignition pill
Towards on the contrary, the second ignition pill and third ignition pill towards identical.
In the present embodiment, as the connection side of the first capacitor device group of separate capacitors group facing towards it is adjacent thereto at
The wiring side arrangement of group capacitor group.In other embodiments, the wiring side of first capacitor device group can also backwards to and its
The adjacent wiring side arrangement at group capacitor group.
In other embodiments, the capacitor group connecting with a, b phase bus can be used as into group capacitor group and arrange, i.e., and two
Capacitor group arranges that the capacitor group connecting with c phase bus is as independent electrical in non-wiring side mode close to each other opposite to each other
Container group.In other embodiments, it can also be changed with separate capacitors group and the bus being connect at group capacitor group, example
Such as, a, c phase bus are connected respectively at group capacitor group, separate capacitors group connects b phase bus.Or distinguish at group capacitor group
A, b phase bus are connected, separate capacitors group connects c phase bus.
Claims (5)
1. prolong arc loop apparatus, including capacitor group, the capacitor group have wiring side equipped with connecting terminal and with connect
The opposite non-wiring side in line side face, it is characterised in that: the arc loop apparatus that prolongs mutually is leaned on including two with non-wiring side
Close mode arrange opposite to each other at group capacitor group, further include and the spaced separate capacitors of capacitor assembling in groups
Group.
2. according to claim 1 prolong arc loop apparatus, it is characterised in that: the connection side of the separate capacitors group faces
To the wiring side at group capacitor group wherein side.
3. according to claim 1 or 2 prolong arc loop apparatus, it is characterised in that: at group capacitor group, separate capacitors group
The wiring end face adjacent with itself wiring side is all had, the wiring end face is equipped with connecting terminal.
4. according to claim 1 or 2 prolong arc loop apparatus, it is characterised in that: prolong arc loop apparatus include a phase, b phase and
C phase bus, separate capacitors group are connect with a phase bus, are connect respectively with b phase bus and c phase bus at group capacitor group, each electricity
A, b, c phase ignition pill are correspondingly provided between container group and respective bus bars, each ignition pill is arranged in triangle.
5. according to claim 4 prolong arc loop apparatus, it is characterised in that: a phase ignition pill is with c phase ignition pill with axis
The conllinear mode of line arranges that b phase ignition pill is located at the side close to each capacitor group of line between a, c phase ignition pill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650082.9A CN109738725B (en) | 2018-12-31 | 2018-12-31 | Arc-extending loop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650082.9A CN109738725B (en) | 2018-12-31 | 2018-12-31 | Arc-extending loop device |
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| Publication Number | Publication Date |
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| CN109738725A true CN109738725A (en) | 2019-05-10 |
| CN109738725B CN109738725B (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811650082.9A Active CN109738725B (en) | 2018-12-31 | 2018-12-31 | Arc-extending loop device |
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