CN108962574A - Modularization combined transformers for metering - Google Patents
Modularization combined transformers for metering Download PDFInfo
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- CN108962574A CN108962574A CN201810563532.4A CN201810563532A CN108962574A CN 108962574 A CN108962574 A CN 108962574A CN 201810563532 A CN201810563532 A CN 201810563532A CN 108962574 A CN108962574 A CN 108962574A
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- 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
- H01F38/20—Instruments transformers
- H01F38/38—Instruments transformers for polyphase ac
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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
- H01F27/02—Casings
- H01F27/022—Encapsulation
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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
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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
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
Modularization combined transformers for metering, two leads of A, C phase current mutual inductor primary coil are connected with input terminal of two A, C phases respectively.The B line terminals that connect by conducting wire and B plug connection.It is taken in A, C phase and is installed with A, C phase in electric inserts and takes electric bolt, two leads of A, C phase voltage mutual inductor primary coil are separately connected A, C phase and electric inserts and A, C is taken to plug slot.B plugs a both ends and is inserted into that A plugs slot and C is plugged in slot respectively, and is connected.A phase voltage mutual inductor pour mass, the B pillar that is connected are connected with nut by pour mass standing screw with C phase voltage mutual inductor pour mass and are integral.This type product take modularized design can the demand according to client to no-load voltage ratio be combined, standardization, modularized production can be formed in process of production, meet the requirement of client while meeting raising production efficiency.
Description
Technical field
The invention belongs to mutual inductor fields, in particular to modularization combined transformers for metering.
Background technique
The combination transformer of metering no-load voltage ratio not of the same race because measures range difference has, and most of product is poured using whole
Injection body structure, inner parameter is fixed after formed product, and any of them unit goes wrong or parameter variations can all cause entirely
Scrap of the product, process of producing product Plays degree is low, is not able to satisfy the requirement of large-scale production.
Summary of the invention
The object of the present invention is to provide modularization combined transformers for metering.Solves inner parameter after existing product forms
It fixes, scrappage is high, standardization level is low, is unable to the problem of large-scale production.
The technical solution of use:
Modularization combined transformers for metering, including A phase current mutual inductor, A phase voltage mutual inductor, B are connected pillar 3, C phase electricity
Current transformer and C phase voltage mutual inductor.
A phase current mutual inductor, including A phase current mutual inductor pour mass, A phase current mutual inductor primary coil, A phase current are mutual
Sensor secondary coil and A phase current mutual inductor iron core, A phase current mutual inductor iron core are arranged in A phase current mutual inductor pour mass,
The winding of A phase current mutual inductor primary coil is arranged on A phase current mutual inductor iron core, the winding of A phase current mutual inductor secondary coil
It is arranged on A phase current mutual inductor primary coil.
A phase voltage mutual inductor, including A phase voltage mutual inductor pour mass, A phase voltage mutual inductor primary coil, A phase voltage are mutual
Sensor secondary coil and A phase voltage transformer iron core, A phase voltage transformer iron core are arranged in A phase voltage mutual inductor pour mass,
The winding of A phase voltage mutual inductor primary coil is arranged on A phase voltage transformer iron core, the winding of A phase voltage mutual inductor secondary coil
It is arranged on A phase voltage mutual inductor primary coil.
C phase current mutual inductor, including C phase current mutual inductor pour mass, C phase current mutual inductor primary coil, C phase current are mutual
Sensor secondary coil and C phase current mutual inductor iron core, C phase current mutual inductor iron core are arranged in C phase current mutual inductor pour mass,
The winding of C phase current mutual inductor primary coil is arranged on C phase current mutual inductor iron core, the winding of C phase current mutual inductor secondary coil
It is arranged on C phase current mutual inductor primary coil.
C phase voltage mutual inductor, including C phase voltage mutual inductor pour mass, C phase voltage mutual inductor primary coil, C phase voltage are mutual
Sensor secondary coil and C phase voltage transformer iron core, C phase voltage transformer iron core are arranged in C phase voltage mutual inductor pour mass,
The winding of C phase voltage mutual inductor primary coil is arranged on C phase voltage transformer iron core, the winding of C phase voltage mutual inductor secondary coil
It is arranged on C phase voltage mutual inductor primary coil.
It is characterized by:
Input terminal of A phase there are two installings on A phase current mutual inductor pour mass, A phase current mutual inductor primary coil
Two leads are connected with input terminal of two A phases respectively.
There are two input terminal of C phase, C phase current mutual inductor primary lines for installing on C phase current mutual inductor pour mass
Two leads of circle are connected with input terminal of two C phases respectively.
It is equipped with sealing cover type secondary wiring terminals box in the be connected lower end of pillar B, is set in sealing cover type secondary wiring terminals box
There are two A phase current mutual inductor secondary output terminals, A phase voltage mutual inductor secondary output terminals, C phase current mutual inductor are secondary defeated
Terminal, C phase voltage mutual inductor secondary output terminals out.A phase current mutual inductor secondary coil, C phase current mutual inductor secondary coil,
Two leads of A phase voltage mutual inductor secondary coil and C phase voltage mutual inductor secondary coil are connected to that sealing cover type is secondary to be connect
In line terminals box in corresponding secondary output terminals.It is equipped with B in the be connected upper end of pillar B and connects line terminals, be connected branch in B
Column is equipped with B and plugs a little, and the B line terminals that connect are plugged by conducting wire and B and connected.
Offered on A phase current mutual inductor pour mass and A phase voltage mutual inductor pour mass A phase take electric bolt mounting holes and
First B phase is fixedly connected with bolt mounting holes, takes in electric bolt mounting holes in A phase and takes electric inserts inserted with A phase, takes electricity embedding in A phase
It is installed with A phase in part and takes electric bolt, is fixedly connected in bolt mounting holes in the first B phase and is fixedly connected with bolt inserted with the first B phase,
A phase current mutual inductor pour mass takes electric bolt and the first B phase fixing bolt to connect with A phase voltage mutual inductor pour mass by A phase
It is bolted and is integral.A phase takes electric inserts to connect by conducting wire with A phase current mutual inductor primary coil, while A phase takes electricity embedding
Part is connected with one end lead of A phase voltage mutual inductor primary coil.A phase is equipped on the surface of A phase voltage mutual inductor pour mass
Inserting groove, A plug slot and connect with the other end lead of A phase voltage mutual inductor primary coil.
Offered on C phase current mutual inductor pour mass and C phase voltage mutual inductor pour mass C phase take electric bolt mounting holes and
2nd B phase is fixedly connected with bolt mounting holes, takes in electric bolt mounting holes in C phase and takes electric inserts inserted with C phase, takes electricity embedding in C phase
It is installed with C phase in part and takes electric bolt, is fixedly connected in bolt mounting holes in the 2nd B phase and is fixedly connected with bolt inserted with the 2nd B phase,
C phase current mutual inductor pour mass takes electric bolt and the 2nd B phase fixing bolt to connect with C phase voltage mutual inductor pour mass by C phase
It is bolted and is integral.C phase takes electric inserts to connect by conducting wire with C phase current mutual inductor primary coil, while C phase takes electricity embedding
Part is connected with one end lead of C phase voltage mutual inductor primary coil.C phase is equipped on the surface of C phase voltage mutual inductor pour mass
Inserting groove, C plug slot and connect with the other end lead of C phase voltage mutual inductor primary coil.B plugs a both ends and is inserted into respectively
A plugs slot and C is plugged in slot, and is connected.
It is connected on pillar and C phase voltage mutual inductor pour mass in A phase voltage mutual inductor pour mass, B and offers multiple pour
Injection body fixed hole is fixed inserted with a pour mass standing screw in each pour mass fixed hole in every pour mass
Screw rod one end is installed with end, and the other end is installed with nut.A phase voltage mutual inductor pour mass, B are connected pillar and C phase voltage
Mutual inductor pour mass is connected with nut by pour mass standing screw and is integral.
A phase current mutual inductor, A phase voltage mutual inductor, B are connected pillar, C phase current mutual inductor and C phase voltage mutual inductor
Using split type independent casting, modularization assembling；A phase current mutual inductor, A phase voltage mutual inductor, B are connected pillar, C phase current
The integral sealing of external insulation layer pressure injection of silicone rubber material is used after mutual inductor and the assembling of C phase voltage mutual inductor.
Current transformer part: accuracy class: 0.2S electric current ratio: 100-400/5A output capacity: 10VA；
Voltage transformer part: accuracy class: 0.2S voltage ratio: 10/0.1kV output capacity: 2X10VA frequency: 50/
60Hz；
Type of device: outdoor.
The advantage is that: this type product take modularized design can the demand according to client to no-load voltage ratio be combined,
Standardization, modularized production can be formed in production process, meet the requirement of client while meeting raising production efficiency.Pressure injection at
Complete machine one after type, secondary terminals sealing cover type design the lead sealing requirement that can meet electric-power metering department；All modules are connected and fixed
Monnolithic case insulation injection-compression molding is carried out after good again, outer layer insulation uses silicone rubber material integral sealing, meets outdoor use
Various requirement.
Detailed description of the invention
Fig. 1 is the main view of structural representation of the invention.
Fig. 2 is the top view of structural representation of the invention.
Fig. 3 is the left view of structural representation of the invention.
Fig. 4 is the main view of general assembly of the invention.
Fig. 5 is the top view of general assembly of the invention.
Fig. 6 is the left view of general assembly of the invention.
In figure: be connected pillar 3, C phase current of A phase current mutual inductor pour mass 1, A phase voltage mutual inductor pour mass 2, B is mutual
Sensor pour mass 4, C phase voltage mutual inductor pour mass 5, A phase current mutual inductor primary coil 6, A phase current mutual inductor secondary coil
7, C phase current mutual inductor primary coil 8, C phase current mutual inductor secondary coil 9, A phase take electric inserts 10, C phase to take electric inserts 11, A
Electric bolt mounting holes 12, A phase are mutually taken to take electric bolt 13, C phase that electric bolt mounting holes 14, C phase is taken to take electric bolt 15, the first B phase solid
Surely connect bolt mounting holes 16, the first B phase is fixedly connected with bolt 17, the 2nd B phase is fixedly connected with bolt mounting holes 18, the 2nd B phase
It is fixedly connected with bolt 19, pour mass fixed hole 20, pour mass standing screw 21, end 22, nut 23, one secondary input end of A phase
Son 24, input terminal 25 of C phase, secondary concentration output terminal box 26, B connects, and line terminals 27, A plug slot 28, C is plugged
Slot 29, B plug a little 30.
Specific embodiment
Modularization combined transformers for metering, including A phase current mutual inductor, A phase voltage mutual inductor, B are connected pillar 3, C
Phase current mutual inductor and C phase voltage mutual inductor.
A phase current mutual inductor, including A phase current mutual inductor pour mass 1, A phase current mutual inductor primary coil 6, A phase current
Mutual inductor secondary coil 7 and A phase current mutual inductor iron core, A phase current mutual inductor iron core are arranged in A phase current mutual inductor pour mass
In 1, the winding of A phase current mutual inductor primary coil 6 is arranged on A phase current mutual inductor iron core, A phase current mutual inductor secondary coil
7 windings are arranged on A phase current mutual inductor primary coil 6.
A phase voltage mutual inductor, including A phase voltage mutual inductor pour mass 2, A phase voltage mutual inductor primary coil, A phase voltage
Mutual inductor secondary coil and A phase voltage transformer iron core, A phase voltage transformer iron core are arranged in A phase voltage mutual inductor pour mass 2
Interior, the winding of A phase voltage mutual inductor primary coil is arranged on A phase voltage transformer iron core, and A phase voltage mutual inductor secondary coil twines
Around setting on A phase voltage mutual inductor primary coil.
C phase current mutual inductor, including C phase current mutual inductor pour mass 4, C phase current mutual inductor primary coil 8, C phase current
Mutual inductor secondary coil 9 and C phase current mutual inductor iron core, C phase current mutual inductor iron core are arranged in C phase current mutual inductor pour mass
In 4, the winding of C phase current mutual inductor primary coil 8 is arranged on C phase current mutual inductor iron core, C phase current mutual inductor secondary coil
9 windings are arranged on C phase current mutual inductor primary coil 8.
C phase voltage mutual inductor, including C phase voltage mutual inductor pour mass 5, C phase voltage mutual inductor primary coil, C phase voltage
Mutual inductor secondary coil and C phase voltage transformer iron core, C phase voltage transformer iron core are arranged in C phase voltage mutual inductor pour mass 5
Interior, the winding of C phase voltage mutual inductor primary coil is arranged on C phase voltage transformer iron core, and C phase voltage mutual inductor secondary coil twines
Around setting on C phase voltage mutual inductor primary coil.
It is characterized by:
There are two input terminal 24 of A phase, A phase current mutual inductor primary lines for installing on A phase current mutual inductor pour mass 1
Two leads of circle 6 are connected with input terminal 24 of two A phases respectively.
There are two input terminal 25 of C phase, C phase current mutual inductor is primary for installing on C phase current mutual inductor pour mass 4
Two leads of coil are connected with input terminal 25 of two C phases respectively.
B be connected pillar 3 lower end be equipped with sealing cover type secondary wiring terminals box 26, sealing cover type secondary wiring terminals box 26
A phase current mutual inductor secondary output terminals, A phase voltage mutual inductor secondary output terminals, C phase current mutual inductor two there are two inside setting
Secondary output terminal, C phase voltage mutual inductor secondary output terminals.A phase current mutual inductor secondary coil 7, C phase current mutual inductor are secondary
Two leads of coil 9, A phase voltage mutual inductor secondary coil and C phase voltage mutual inductor secondary coil are connected to sealing cover type
In secondary wiring terminals box 26 in corresponding secondary output terminals.It is equipped with B in the be connected upper end of pillar 3 B and connects line terminals 27,
It is connected on pillar 3 to be equipped with B and plug a little 30, the B line terminals 27 that connect in B and is plugged by conducting wire and B and connect 30.
A phase is offered on A phase current mutual inductor pour mass 1 and A phase voltage mutual inductor pour mass 2 takes electric bolt to install
Hole 12 is fixedly connected with bolt mounting holes 16 with the first B phase, takes in electric bolt mounting holes 12 in A phase and takes electric inserts 10 inserted with A phase,
It is taken in A phase and is installed with A phase in electric inserts 10 and takes electric bolt 13, be fixedly connected in bolt mounting holes 16 in the first B phase inserted with
One B phase is fixedly connected with bolt 17, A phase current mutual inductor pour mass 1 and A phase voltage mutual inductor pour mass 2 and takes electric spiral shell by A phase
Bolt 13 connects the connection of bolt 17 with the first B phase fixing bolt and is integral.A phase takes electric inserts 10 mutual by conducting wire and A phase current
Sensor primary coil 6 connects, while A phase takes electric inserts 10 and one end lead of A phase voltage mutual inductor primary coil to connect.In A
The surface of phase voltage mutual inductor pour mass 2 is equipped with A and plugs slot 28, and A plugs slot 28 and A phase voltage mutual inductor primary coil
The other end lead connection.
C phase, which is offered, on C phase current mutual inductor pour mass 4 and C phase voltage mutual inductor pour mass 5 takes electric bolt mounting holes
14 are fixedly connected with bolt mounting holes 18 with the 2nd B phase, take in electric bolt mounting holes 14 in C phase and take electric inserts 11 inserted with C phase,
C phase, which takes, to be installed with C phase and takes electric bolt 15 in electric inserts 11, be fixedly connected in bolt mounting holes 18 in the 2nd B phase inserted with the 2nd B
It is mutually fixedly connected with bolt 19, C phase current mutual inductor pour mass 4 and C phase voltage mutual inductor pour mass 5 and electric bolt 15 is taken by C phase
The connection of bolt 19 is connected with the 2nd B phase fixing bolt to be integral.C phase takes electric inserts 11 to pass through conducting wire and C phase current mutual inductor
Primary coil 8 connects, while C phase takes electric inserts 11 and one end lead of C phase voltage mutual inductor primary coil to connect.In C phase electricity
The surface of pressure mutual inductor pour mass 5 is equipped with C and plugs slot 29, and C plugs the another of slot 29 and C phase voltage mutual inductor primary coil
The connection of one end lead.B plugs a little 30 both ends and is inserted into that A plugs slot 28 and C is plugged in slot 30 respectively, and is connected.
It is connected on the corresponding position of pillar 3 and C phase voltage mutual inductor pour mass 5 in A phase voltage mutual inductor pour mass 2, B
Multiple pour mass fixed holes 20 are offered respectively, inserted with the fixed spiral shell of a pour mass in each pour mass fixed hole 20
Bar 21 is installed with end 22 every 21 one end of pour mass standing screw, and the other end is installed with nut 23.A phase voltage mutual inductor
Be connected pillar 3 and C phase voltage mutual inductor pour mass 5 of pour mass 2, B is connected as by pour mass standing screw 21 and nut 23
One is whole.
A phase current mutual inductor, A phase voltage mutual inductor, B are connected pillar 3, C phase current mutual inductor and C phase voltage mutual inductor
Using split type independent casting, modularization assembling；A phase current mutual inductor, A phase voltage mutual inductor, B are connected pillar 3, C phase electricity
The integral sealing of external insulation layer pressure injection of silicone rubber material is used after current transformer and the assembling of C phase voltage mutual inductor.
Claims (1)
1. modularization combined transformers for metering, including A phase current mutual inductor, A phase voltage mutual inductor, B are connected pillar (3), C
Phase current mutual inductor and C phase voltage mutual inductor；
A phase current mutual inductor, including A phase current mutual inductor pour mass (1), A phase current mutual inductor primary coil (6), A phase current
Mutual inductor secondary coil (7) and A phase current mutual inductor iron core, the setting of A phase current mutual inductor iron core are poured in A phase current mutual inductor
In body (1), A phase current mutual inductor primary coil (6) winding is arranged on A phase current mutual inductor iron core, A phase current mutual inductor two
Secondary coil (7) winding is arranged on A phase current mutual inductor primary coil (6)；
A phase voltage mutual inductor, including A phase voltage mutual inductor pour mass (2), A phase voltage mutual inductor primary coil, A phase voltage are mutual
Sensor secondary coil and A phase voltage transformer iron core, A phase voltage transformer iron core are arranged in A phase voltage mutual inductor pour mass (2)
Interior, the winding of A phase voltage mutual inductor primary coil is arranged on A phase voltage transformer iron core, and A phase voltage mutual inductor secondary coil twines
Around setting on A phase voltage mutual inductor primary coil；
C phase current mutual inductor, including C phase current mutual inductor pour mass (4), C phase current mutual inductor primary coil (8), C phase current
Mutual inductor secondary coil (9) and C phase current mutual inductor iron core, the setting of C phase current mutual inductor iron core are poured in C phase current mutual inductor
In body (4), C phase current mutual inductor primary coil (8) winding is arranged on C phase current mutual inductor iron core, C phase current mutual inductor two
Secondary coil (9) winding is arranged on C phase current mutual inductor primary coil (8)；
C phase voltage mutual inductor, including C phase voltage mutual inductor pour mass (5), C phase voltage mutual inductor primary coil, C phase voltage are mutual
Sensor secondary coil and C phase voltage transformer iron core, C phase voltage transformer iron core are arranged in C phase voltage mutual inductor pour mass (5)
Interior, the winding of C phase voltage mutual inductor primary coil is arranged on C phase voltage transformer iron core, and C phase voltage mutual inductor secondary coil twines
Around setting on C phase voltage mutual inductor primary coil；
It is characterized by:
There are two input terminal (24) of A phase, A phase current mutual inductors one for installing on A phase current mutual inductor pour mass (1)
Two leads of secondary coil (6) are connected with input terminal (24) of two A phases respectively；
There are two input terminal (25) of C phase, C phase current mutual inductor is primary for installing on C phase current mutual inductor pour mass (4)
Two leads of coil are connected with input terminal (25) of two C phases respectively；
B be connected pillar (3) lower end be equipped with sealing cover type secondary wiring terminals box (26), sealing cover type secondary wiring terminals box
(26) A phase current mutual inductor secondary output terminals, A phase voltage mutual inductor secondary output terminals, C phase current mutual inductance there are two being set in
Device secondary output terminals, C phase voltage mutual inductor secondary output terminals；A phase current mutual inductor secondary coil (7), C phase current mutual inductance
Two leads of device secondary coil (9), A phase voltage mutual inductor secondary coil and C phase voltage mutual inductor secondary coil are separately connected
In sealing cover type secondary wiring terminals box (26) in corresponding secondary output terminals；B be connected pillar (3) upper end be equipped with B
The line terminals that connect (27) are connected on pillar (3) in B and are equipped with B and plug point (30), B connect line terminals (27) pass through conducting wire and B
Plug a connection (30)；
A phase is offered on A phase current mutual inductor pour mass (1) and A phase voltage mutual inductor pour mass (2) takes electric bolt to install
Hole (12) is fixedly connected with bolt mounting holes (16) with the first B phase, takes in electric bolt mounting holes (12) in A phase and takes electricity inserted with A phase
Inserts (10) takes in A phase and is installed with A phase in electric inserts (10) and takes electric bolt (13), is fixedly connected with bolt mounting holes in the first B phase
(16) it is fixedly connected bolt (17) in inserted with the first B phase, A phase current mutual inductor pour mass (1) and A phase voltage mutual inductor pour
Injection body (2) takes electric bolt (13) to connect bolt (17) connection with the first B phase fixing bolt and is integral by A phase；A phase takes electricity embedding
Part (10) is connect by conducting wire with A phase current mutual inductor primary coil (6), while A phase takes electric inserts (10) and A phase voltage mutual inductance
One end lead of device primary coil connects；It is equipped with A on the surface of A phase voltage mutual inductor pour mass (2) and plugs slot (28), A
Slot (28) is plugged to connect with the other end lead of A phase voltage mutual inductor primary coil；
C phase, which is offered, on C phase current mutual inductor pour mass (4) and C phase voltage mutual inductor pour mass (5) takes electric bolt mounting holes
(14) bolt mounting holes (18) are fixedly connected with the 2nd B phase, are taken in electric bolt mounting holes (14) in C phase and takes electricity embedding inserted with C phase
Part (11) takes in C phase and is installed with C phase in electric inserts (11) and takes electric bolt (15), is fixedly connected with bolt mounting holes in the 2nd B phase
(18) it is fixedly connected bolt (19) in inserted with the 2nd B phase, C phase current mutual inductor pour mass (4) and the casting of C phase voltage mutual inductor
Body (5) takes electric bolt (15) to connect bolt (19) connection with the 2nd B phase fixing bolt and is integral by C phase；C phase takes electric inserts
(11) it is connect by conducting wire with C phase current mutual inductor primary coil (8), while C phase takes electric inserts (11) and C phase voltage mutual inductor
One end lead of primary coil connects；It is equipped with C on the surface of C phase voltage mutual inductor pour mass (5) and plugs slot (29), C phase
Inserting groove (29) is connected with the other end lead of C phase voltage mutual inductor primary coil；B plugs point (30) both ends and is inserted into A respectively
It plugs slot (28) and C is plugged in slot (30), and be connected；
A phase voltage mutual inductor pour mass (2), B be connected on pillar (3) and C phase voltage mutual inductor pour mass (5) offer it is more
A pour mass fixed hole (20), inserted with a pour mass standing screw (21) in each pour mass fixed hole (20),
It is installed with end (22) every pour mass standing screw (21) one end, the other end is installed with nut (23)；A phase voltage mutual inductance
Be connected pillar (3) and C phase voltage mutual inductor pour mass (5) of device pour mass (2), B passes through pour mass standing screw (21) and spiral shell
Female (23) connection is integral；
Be connected pillar (3), C phase current mutual inductor and C phase voltage mutual inductor of A phase current mutual inductor, A phase voltage mutual inductor, B is adopted
With split type independent casting, modularization assembling；A phase current mutual inductor, A phase voltage mutual inductor, B are connected pillar (3), C phase electricity
The integral sealing of external insulation layer pressure injection of silicone rubber material is used after current transformer and the assembling of C phase voltage mutual inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563532.4A CN108962574B (en) | 2018-06-04 | 2018-06-04 | Modular combined transformer for metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563532.4A CN108962574B (en) | 2018-06-04 | 2018-06-04 | Modular combined transformer for metering |
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| CN108962574A true CN108962574A (en) | 2018-12-07 |
| CN108962574B CN108962574B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810563532.4A Active CN108962574B (en) | 2018-06-04 | 2018-06-04 | Modular combined transformer for metering |
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