CN208538682U - A kind of three-phase integrated anti-resonance potential transformer - Google Patents
A kind of three-phase integrated anti-resonance potential transformer Download PDFInfo
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- CN208538682U CN208538682U CN201821098737.1U CN201821098737U CN208538682U CN 208538682 U CN208538682 U CN 208538682U CN 201821098737 U CN201821098737 U CN 201821098737U CN 208538682 U CN208538682 U CN 208538682U
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Abstract
A kind of three-phase integrated anti-resonance potential transformer, insulation shell is interior to be equipped with A B C zero-phase voltage transformer.There is A phase secondary coil on A phase iron core, there is A phase primary coil in outside, and zero phase structure of BC is identical, and ABC phase primary coil is star-like connection, and neutral point connects the beginning of zero phase primary coil, the end ground connection of zero phase primary coil.Fuse of A phase is located in A phase elbow-type head, and fuse inner end of A phase is protruded into lead light cap of A phase, is connected between fuse of A phase and lead light cap of A phase by A phase spring, and lead light cap of A phase connects A phase primary coil beginning by lead.Respectively counter structure is identical for B phase, C phase.And elbow-type plug is once used, an internal lead increases metal connection light cap, has been effectively ensured without partial discharge performance requirement.The space of land occupation has effectively been saved in the miniaturization for realizing Novel outdoor cabinet body.
Description
Technical field
The utility model relates to mutual inductor field, specifically a kind of three-phase integrated anti-resonance potential transformer has one, two
Secondary fusion performance.
Background technique
This type mutual inductor is originally using four individual voltage transformers, and not only volume is big, but also installs complexity, this is new
Type cabinet body is pacified at all can not load, and Vintage Product is coupled using exposed electric wire, and when maintenance is extremely dangerous, to the person
There is no safety guarantee at all.
Utility model content
The purpose of this utility model is to provide a kind of three-phase integrated anti-resonance potential transformer, there is antiresonance function, the type
Looped network cabinet body has effectively saved the space of land occupation.
The technical solution adopted is that:
A kind of three-phase integrated anti-resonance potential transformer, including insulation shell.
Technical points are:
A phase voltage mutual inductor, B phase voltage mutual inductor and C phase voltage mutual inductor are equipped in insulation shell.
Zero-phase voltage transformer is additionally provided in insulation shell.
A phase voltage mutual inductor includes A phase iron core, A phase primary coil and A phase secondary coil.
B phase voltage mutual inductor includes B phase iron core, B phase primary coil and B phase secondary coil.
C phase voltage mutual inductor includes C phase iron core, C phase primary coil and C phase secondary coil.
Zero-phase voltage transformer includes zero phase iron core, zero phase primary coil and zero phase secondary coil.
It is arranged with A phase secondary coil on A phase iron core, is equipped with A phase primary coil on the outside of A phase secondary coil.
It is arranged with B phase secondary coil on B phase iron core, is equipped with B phase primary coil on the outside of B phase secondary coil.
It is arranged with C phase secondary coil on C phase iron core, is equipped with C phase primary coil on the outside of C phase secondary coil.
It is arranged with zero phase secondary coil on zero phase iron core, is equipped with zero phase primary coil on the outside of zero phase secondary coil.
A phase primary coil end, the phase primary coil end B and C phase primary coil end link together, and then connect zero
The beginning of phase primary coil.
The end of zero phase primary coil is grounded.
It is embedding that A phase secondary coil, B phase secondary coil, C phase secondary coil and zero phase secondary coil connect corresponding secondary connection
Part.
Fuse of A phase is located in A phase elbow-type head, and fuse inner end of A phase is protruded into lead light cap of A phase, A
It is connected between fuse of phase and lead light cap of A phase by A phase spring.
Lead light cap of A phase connects A phase primary coil beginning by lead.
Respectively counter structure is identical for B phase, C phase.
Four absolute coils, and elbow-type plug is once used, an internal lead increases metal connection light cap, effectively protects
It has demonstrate,proved without partial discharge performance requirement.The miniaturization of Novel outdoor cabinet body is realized, and the performance for realizing that equipment first and second merges is wanted
It asks.The type ring net cabinet body has effectively saved the space of land occupation.
The advantage is that:
Four traditional voltage transformers are integrated, under conditions of function is constant, volume-diminished 3/5.
Inside coil completes the wiring requirement of first and second fusion, and has reached better antiresonance requirement.
Primary coil lead is reached no partial discharge, is mentioned using the tip of copper metal light cap shielding fuse bottom spring
The high service life of product.
Three-phase high-voltage terminal is connect using American 200A elbow-type head with three-phase line, improve product using safe
Property.
This type voltage transformer is one of novel indoor ring network cabinet main components.It is protected as electrical energy measurement and line fault
Shield is used.
Therefore, the technological design once required using the elbow-type hair style mode of connection and the fusion of band first and second, makes entire mutual inductance
Device error testing meets the service requirement of existing power grid.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the top view of the utility model.
Fig. 4 is the partial enlarged view in the portion Z in Fig. 2.
Fuse 1 of A phase, A phase spring 2, A phase screw 3(M8), lead light cap 4 of A phase, A phase primary coil 5, A
Resin matrix 6 of phase, A phase secondary coil 7, A phase secondary skeleton 8, secondary outgoing line hole 9, secondary connection inserts 10, footing inserts
11, two secondary lids and nameplate 12, mounting base 13, A phase iron core 14, zero phase iron core 15, earthing screw 16, zero phase packet are once grounded
Spiral shell 17(M10), insulation shell 18.
Specific embodiment
A kind of three-phase integrated anti-resonance potential transformer, including insulation shell 18.
A phase voltage mutual inductor, B phase voltage mutual inductor and the C phase in front row setting arranged side by side are equipped in insulation shell 18
Voltage transformer.
From left to right anchor ring is longitudinally arranged side by side for A phase iron core 14, B phase iron core and C phase iron core.
Zero-phase voltage transformer is additionally provided in insulation shell 18.
Zero phase iron core anchor ring is horizontally installed on behind B phase iron core.
A phase voltage mutual inductor includes A phase iron core 14, A phase primary coil 5 and A phase secondary coil 7.
B phase voltage mutual inductor includes B phase iron core, B phase primary coil and B phase secondary coil.
C phase voltage mutual inductor includes C phase iron core, C phase primary coil and C phase secondary coil.
Zero-phase voltage transformer includes zero phase iron core, zero phase primary coil and zero phase secondary coil.
It is arranged with A phase secondary coil 7 on A phase iron core 14, is equipped with A phase primary coil 5 on the outside of A phase secondary coil 7.
It is arranged with B phase secondary coil on B phase iron core, is equipped with B phase primary coil on the outside of B phase secondary coil.
It is arranged with C phase secondary coil on C phase iron core, is equipped with C phase primary coil on the outside of C phase secondary coil.
It is arranged with zero phase secondary coil on zero phase iron core 15, is equipped with zero phase primary coil on the outside of zero phase secondary coil.
A phase primary coil 5, B phase primary coil and C phase primary coil are star-like connection.
5 end of A phase primary coil, the phase primary coil end B and C phase primary coil end, which link together, (to be formed neutral
Point), then connect the beginning O point of zero phase primary coil.
O point is located at simultaneously at the top of the first king-post of insulation shell 18.
The end (N point) of zero phase primary coil is grounded, and it is zero that N point, which is located at simultaneously at the top of the second king-post of insulation shell 18,
Mutually wrap an earthing screw 17(M10).
A phase secondary coil 7, B phase secondary coil, C phase secondary coil and zero phase secondary coil connect corresponding secondary connection
Inserts 10 has terminal screw above, is arranged behind two secondary lids and nameplate 12, from 9 outlet of secondary outgoing line hole.
Fuse 1 of A phase is located in A phase elbow-type head, and 1 inner end of fuse of A phase is in contact with 2 one end of A phase spring,
A phase spring 2 is fixed in lead light cap 4 of A phase by A phase screw 3.
Lead light cap 4 of A phase connects 5 beginning of A phase primary coil by lead.
Fuse of B phase is located in B phase elbow-type head, and fuse inner end of B phase is in contact with B phase spring one end, B phase
Spring is fixed in lead light cap of B phase by B phase screw.
Lead light cap of B phase connects B phase primary coil beginning by lead.
Fuse of C phase is located in C phase elbow-type head, and fuse inner end of C phase is in contact with C phase spring one end, C phase
Spring is fixed in lead light cap (copper) of C phase by C phase screw.
Lead light cap of C phase connects C phase primary coil beginning by lead.
The circle of spring one is bigger than a loop diameter, is screwed on the inside of light cap by screw.
A phase secondary coil 7 is wound around on A phase secondary skeleton 8, (resin on 5 skeleton 6 of winding A phase of A phase primary coil
Skeleton).
B phase secondary coil is wound around on B phase secondary skeleton, on B phase primary coil winding B skeleton of phase.
C phase secondary coil is wound around on C phase secondary skeleton, on C phase primary coil winding C skeleton of phase.
Zero phase secondary coil is wound around on zero phase secondary skeleton, on zero phase primary coil winding skeleton of zero phase.
Insulation shell 18 divides into mounting base 13, and mounting base 13 is equipped with footing inserts 11.
Insulation shell 18 is additionally provided with earthing screw 16.
Insulation shell 18 is epoxy resin shell.
Claims (6)
1. a kind of three-phase integrated anti-resonance potential transformer, including insulation shell (18)；It is characterized by:
A phase voltage mutual inductor, B phase voltage mutual inductor and C phase voltage mutual inductor are equipped in insulation shell (18)；
Zero-phase voltage transformer is additionally provided in insulation shell (18)；
A phase voltage mutual inductor includes A phase iron core (14), A phase primary coil (5) and A phase secondary coil (7)；
B phase voltage mutual inductor includes B phase iron core, B phase primary coil and B phase secondary coil；
C phase voltage mutual inductor includes C phase iron core, C phase primary coil and C phase secondary coil；
Zero-phase voltage transformer includes zero phase iron core, zero phase primary coil and zero phase secondary coil；
It is arranged with A phase secondary coil (7) on A phase iron core (14), is equipped with A phase primary coil (5) on the outside of A phase secondary coil (7)；
It is arranged with B phase secondary coil on B phase iron core, is equipped with B phase primary coil on the outside of B phase secondary coil；
It is arranged with C phase secondary coil on C phase iron core, is equipped with C phase primary coil on the outside of C phase secondary coil；
It is arranged with zero phase secondary coil on zero phase iron core (15), is equipped with zero phase primary coil on the outside of zero phase secondary coil；
A phase primary coil (5) end, the phase primary coil end B and C phase primary coil end link together, and then connect zero
The beginning of phase primary coil；
The end of zero phase primary coil is grounded；
It is embedding that A phase secondary coil (7), B phase secondary coil, C phase secondary coil and zero phase secondary coil connect corresponding secondary connection
Part (10).
2. a kind of three-phase integrated anti-resonance potential transformer according to claim 1, it is characterised in that:
O point is located at simultaneously at the top of the first king-post of insulation shell (18)；
The end of zero phase primary coil is located at the top of the second king-post of insulation shell (18).
3. a kind of three-phase integrated anti-resonance potential transformer according to claim 1, it is characterised in that:
Fuse (1) of A phase is located in A phase elbow-type head, and lead light cap of A phase is protruded into fuse (1) inner end of A phase
(4) in, it is connected between fuse (1) of A phase and lead light cap (4) of A phase by A phase spring (2)；
Lead light cap (4) of A phase connects A phase primary coil (5) beginning by lead；
Fuse of B phase is located in B phase elbow-type head, and fuse inner end of B phase is protruded into lead light cap of B phase, B phase one
It is connected between secondary fuse and lead light cap of B phase by B phase spring；
Lead light cap of B phase connects B phase primary coil beginning by lead；
Fuse of C phase is located in C phase elbow-type head, and fuse inner end of C phase is protruded into lead light cap of C phase, C phase one
It is connected between secondary fuse and lead light cap of C phase by C phase spring；
Lead light cap of C phase connects C phase primary coil beginning by lead.
4. a kind of three-phase integrated anti-resonance potential transformer according to claim 1, it is characterised in that:
Insulation shell (18) is divided into mounting base (13), and mounting base (13) is equipped with footing inserts (11).
5. a kind of three-phase integrated anti-resonance potential transformer according to claim 1, it is characterised in that:
Insulation shell (18) is additionally provided with earthing screw (16).
6. a kind of three-phase integrated anti-resonance potential transformer according to claim 1, it is characterised in that:
Insulation shell (18) is epoxy resin shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098737.1U CN208538682U (en) | 2018-07-12 | 2018-07-12 | A kind of three-phase integrated anti-resonance potential transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098737.1U CN208538682U (en) | 2018-07-12 | 2018-07-12 | A kind of three-phase integrated anti-resonance potential transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208538682U true CN208538682U (en) | 2019-02-22 |
Family
ID=65387139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821098737.1U Active CN208538682U (en) | 2018-07-12 | 2018-07-12 | A kind of three-phase integrated anti-resonance potential transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208538682U (en) |
-
2018
- 2018-07-12 CN CN201821098737.1U patent/CN208538682U/en active Active
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