CN107924753A - The wheel rim electrode and winding arrangement of measurement converter - Google Patents
The wheel rim electrode and winding arrangement of measurement converter Download PDFInfo
- Publication number
- CN107924753A CN107924753A CN201680051034.0A CN201680051034A CN107924753A CN 107924753 A CN107924753 A CN 107924753A CN 201680051034 A CN201680051034 A CN 201680051034A CN 107924753 A CN107924753 A CN 107924753A
- Authority
- CN
- China
- Prior art keywords
- electrode
- winding
- measurement
- converter
- wheel rim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H01F27/288—Shielding
- H01F27/2885—Shielding with shields or electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The present invention relates to a kind of winding arrangement (22) of measurement converter (1).Winding arrangement (22) includes wheel rim electrode (43), and the wheel rim electrode (43) has the electrode central section (57) of hollow tubular and the cricoid shielding convex shoulder (59) for two mutually opposing ends for forming wheel rim electrode (43).Each shielding convex shoulder (59) is connected in electrode central section (57), and is flexed outwardly constructed relative to electrode central section (57).
Description
The present invention relates to a kind of winding arrangement of measurement converter and the wheel rim of especially such winding arrangement
Electrode.
Specifically the present invention relates to it is a kind of be configured to transformer be used to measure voltage and/or for being protected from high electricity
The transformer of pressure, and the invention further relates to one kind this transformer is combined with current transformer so as to measure electric current and/or with
Just it is protected from the measurement converter of high current.
Such measurement is converted voltage and current according to the principle of transformer with converter, and is had for this
There is winding arrangement, the winding arrangement carries two different measurements converter windings.
The technical problems to be solved by the invention are, there is provided a kind of more preferable electricity of the winding arrangement of measurement converter
The manufacture method and more preferable measurement converter of pole and the electrode.
The technical problem is solved in terms of electrode by the characteristic of claim 1 according to the present invention, around assembling
Put aspect to solve by the technical characteristic of claim 6, solved in terms of method by the technical characteristic of claim 8, and
Solved in terms of measurement converter by the characteristic of claim 11.
The favourable design method of the present invention is the theme of each dependent claims.
The wheel rim electrode of the winding arrangement of measurement converter according to the present invention includes the electrode central portion of hollow tubular
Section and the cricoid shielding convex shoulder for forming two mutually opposing ends for taking turns rim electrode.Each shielding convex shoulder is connected to herein
In electrode central section, and flexed outwardly constructed relative to electrode central section.
On the one hand wheel rim electrode can entreat the placement in section to realize around assembling in the electrodes by measurement translator winding
The positioning for the measurement converter winding put and insert, and on the other hand realize winding arrangement relative to electricity by shielding convex shoulder
Field, the shielding especially on the end of winding arrangement.Thus wheel rim electrode has the function of two, and described two functions are traditional
Realized in winding arrangement by single component, namely for positioning and inserting the wheel rim of measurement converter winding and be used for
Shield the bucking electrode of electric field.This advantageously reduce the quantity of the component of winding arrangement and thus also reduce component into
This, and simplify and shorten the assembling of winding arrangement.
A kind of design method regulation of the present invention, it is each shield convex shoulder relative to electrode central section be bent outwardly 180 ° with
Construct above and openly.
More than 180 ° of design is bent outwardly by shielding convex shoulder and improves the shield effectiveness for shielding convex shoulder.Shield convex shoulder
Open configuration advantageously achieves inserting for the measurement converter winding of winding arrangement.
Another design method regulation of the present invention, wheel rim electrode are made of two electrode half portions, the electrode half part
Gou Cheng not the half portion of electrode central section and the half portion of each shielding convex shoulder.
The design method of the present invention simplifies manufacture and the group of wheel rim electrode compared with the wheel rim electrode that single-piece is implemented
Dress.
Another design method regulation of the present invention, wheel rim electrode are made of metal material, such as made of aluminum.
The material advantageously achieves the shield effectiveness of shielding convex shoulder and the steady implementation mode of electrode central section.
The winding arrangement according to the present invention of measurement converter includes becoming around the first measurement of winding axis extension
Parallel operation winding, the wheel rim electrode arranged according to the present invention around first measurement with converter winding, so that electrode central portion
The inner surface of section surrounds the outer surface of the first measurement converter winding, and the winding arrangement includes surrounding electrode central portion
Variator winding is used in second measurement of the outer surface extension of section.Optionally, in addition, winding arrangement also has winding pipe, and first surveys
Amount is extended with converter winding around the winding pipe.
Such winding arrangement is by having the advantages that it is above-mentioned that the embodiment of wheel rim electrode according to the present invention has.
Winding pipe advantageously simplify winding arrangement, especially around measurement converter chipware chipware section positioning and assembling.
In being used to manufacture the method for winding arrangement according to the present invention according to the present invention, the electrode center of rim electrode is taken turns
The inner surface of section is connected with engaging with the outer surface material of the first measurement converter winding.Then, the second measurement converts
Device winding is placed with around the outer surface of the electrode central section of wheel rim electrode.Here, the inner surface of electrode central section for example using
Binding agent is connected with engaging with the outer surface material of the first measurement converter winding.Alternately or supplement, in the first measurement
Apply binder (Bindemittel) with the outer surface of converter winding and/or in the electrodes on the inner surface of centre section, and
And the inner surface of electrode central section is engaged by the heating of binder with the first measurement with the outer surface material of converter winding
Ground is connected.
In the manufacture method, two electrode half portions of the wheel rim electrode that two-piece type is implemented need not be especially connected with each other,
Because the position of described two electrode half portions with the first measurement with the connection that the material of converter winding engages by being fixed.
Measurement according to the present invention has winding arrangement according to the present invention with converter.Alternatively, measurement converter
Also there is the measurement converter chipware with chipware section, winding arrangement is arranged around the chipware section.
Such measurement converter is by the embodiment with winding arrangement according to the present invention and with upper
State advantage.
Above-mentioned property, feature and advantage and its ways and means of realization of the present invention are by the description to embodiment below
And become apparent from and readily appreciate, the embodiment is carried out with reference to attached drawing more to illustrate in detail.Herein in the accompanying drawings:
Fig. 1 shows the sectional view of measurement converter,
Fig. 2 shows the stereogram of the active part unit of measurement converter,
Fig. 3 shows the three-dimensional cutaway view of the active part unit of measurement converter,
Fig. 4 shows the stereogram of the winding arrangement of the active part unit of measurement converter, and
Fig. 5 shows the stereogram of wheel rim electrode.
Mutually the same part is equipped with identical mark in the accompanying drawings.
Fig. 1 shows the sectional view of measurement converter 1.Measurement converter 1 is configured to gas isolated combined type variable-pressure
And current transformer.
Measurement converter 1 includes measurement converter housing 3, the measurement with converter housing with housing head 5,
Housing bottom 7 and the insulator 9 extended between housing head 5 and housing bottom 7.Housing head 5 is configured to the sky of flange shape
Heart body, the hollow body are shrunk to toroidal shell head 11 conically, and the housing head end surrounds housing head
Opening.Insulator 9 is connected with housing head end 11.Insulator 9 is basically constructed as pipe fitting, and the pipe fitting is in its appearance
There is insulation fin 13, longitudinal axis of the insulation fin circlewise around insulator 9 extends on face.The closing insulation of housing bottom 7
The end of the remote housing head 5 of body 9.Measurement converter housing 3 for housing insulation gas, such as sulfur hexafluoride and airtightly
Construction.Housing head 5 has pressure relief valve 15, can be in measurement converter housing 3 by the pressure relief valve
Insulating gas is exported from measurement with converter housing 3 when pressure exceedes pressure threshold.Conductor is disposed with housing bottom 7
Casing 17, electric conductor are outwards guided through the conductor casing from measurement with the inside of converter housing 3.On conductor casing 17
Equipped with the terminal box 19 for contacting the conductor for being directed through conductor casing 17.
The active part unit 21 for being configured to transformer, active with good grounds of the part unit band are equipped with housing head 5
The winding arrangement 22 and converter cell 23 of invention, wherein, converter cell 23 be arranged in active part unit 21 and insulator 9 it
Between.
Active part unit 21 and winding arrangement 22 are elaborated below according to Fig. 2 to 5.Converter cell 23 includes being configured to
The primary conductor 25 of conductor rail, it carries the primary conductor connector 27 being arranged in outside measurement converter housing 3, and described
Converter cell further includes the secondary that carries that is circlewise extending around primary conductor 25, known per se and not therefore being shown specifically and becomes
Flow the current transformer winding arrangement 29 of device winding.
Secondary measurement the converter winding 41 and the secondary current transformer winding of current transformer winding arrangement 29 of winding arrangement 22
It is connected by connector of (unshowned) connecting wire respectively with terminal box 19, wherein, connecting wire is used by being arranged in measurement
Tubular shielding case 31 in converter housing 3 and pass through conductor casing 17 and be oriented to terminal box 19.
Fig. 2 and Fig. 3 shows the active part unit 21 of measurement converter 1.Here, Fig. 2 is in a manner of stereogram and Fig. 3 is with vertical
Body cross-sectional view shows active part unit 21.
Active part unit 21 includes measurement converter chipware 33, extruded frame 35 and winding arrangement 22.It is described around assembling
Put 22 include winding pipe 37, primary first measurement converter winding 39, secondary second measurement converter winding 41, according to this
The wheel rim electrode 43 of invention and four antitorque fixed parts 45.
Measurement converter chipware 33 is configured to the stack of laminations of annular, and the stack of laminations is by multiple lamination cores stacked gradually
Composition, the lamination core are mutually extruded by extruded frame 35.
Extruded frame 35 constructs the arm connection being connected with two arms extended parallel to each other with by two arms with taking the shape of the letter U
Portion.Extruded frame 35 is made of two extruded frame half portions 35.1,35.2, the extruded frame half portion respectively constitute each arm and
The half portion of arm connecting portion and it is placed with the plane of symmetry not on homonymy, extruded frame half portion 35.1,35.2 is on the plane of symmetry
Mutually recline.The arm end structure of each arm is used to extruded frame 35 being fixed in the housing head 5 of measurement converter 1.
In the shown embodiment, each extruded frame half portion 35.1,35.2 has connection opening 47 on each arm end for this, even
Connect element, such as bolt be directed through it is described connection opening, so as to which arm end is fixed on mutually fitting for housing head 5 (see Fig. 1)
On the frame holding parts 49 matched somebody with somebody.
In order to extruded frame 35 is fixed on measurement converter chipware 33 and in order to by measurement converter chipware
33 lamination core clamps, and multiple clamping elements 51 are directed through measurement converter chipware 33 and two extruded frame half portions
35.1、35.2.Here, each clamping element 51 constructs and is directed through extruded frame half portion with least one bar-shapedly
35.1st, 35.2 end, is threaded with nut 53 on the end, so as to which extruded frame half portion 35.1,35.2 is clamped
In measurement with converter chipware 33.
Winding pipe 37 surrounds the chipware section 34 of measurement converter chipware 33, and the chipware section is in extruded frame 35
Extend between arm and extend through the frame recessed empty 55 in extruded frame half portion 35.1,35.2.Winding pipe 37 carrying surround around
The primary measurement converter winding 39 of the central section of group pipe 37, the wheel rim electrode for surrounding primary measurement converter winding 39
43 use converter winding 41 with the secondary measurement for surrounding wheel rim electrode 43.Wheel rim electrode 43 has the electrode for being configured to hollow cylinder
Central section 57 and two mutually opposing shielding convex shoulders 59.Each shielding convex shoulder 59 forms the end of wheel rim electrode 43, and
It is designed as being bent outwardly more than 180 °, preferably more than 270 ° so that electric field is shielded relative to electrode central section 57.Here,
Wheel rim electrode 43 is made of two same type of electrode half portions 43.1,43.2 (see Fig. 4 and Fig. 5), the electrode half portion difference
Form the half portion of electrode central section 57 and the half portion of each shielding convex shoulder 59.
Winding pipe 37 is connected by antitorque fixed part 45 with extruded frame 35, and avoids winding pipe 37 from being revolved around its longitudinal axis
Turn.Here, each end of winding pipe 37 is respectively by antitorque fixed part 45 and two extruded frame half portions 35.1,35.2
Each be connected so that winding pipe 37 is connected by the antitorque fixed part 45 of total of four with extruded frame 35.It is each antitorque
Winding pipe 37 and extruded frame 35 are connected by fixed part 45 cured block in a manner of not being described in detail herein.
Fig. 4 show active part unit 21 by winding pipe 37, measurement converter winding 39,41 and wheel rim electrode 43
The stereogram for the winding arrangement 22 that electrode half portion 43.1,43.2 is formed.
In the method for manufacture winding arrangement 22, inner surface and the first measurement of the electrode central section 57 of rim electrode 43 are taken turns
It is connected with engaging with the outer surface material of converter winding 39.For this reason, the inner surface of electrode central section 57 using binding agent with
The outer surface material engagement of first measurement converter winding 39 it is connected.Alternately or supplement, converted in the first measurement
Apply binder (Bindemittel) on the outer surface of device winding 49 and/or in the electrodes on the inner surface of centre section 57, and
The inner surface of electrode central section 57 is connect by the heating of binder with the first measurement with the outer surface material of converter winding 39
Ground is closed to be connected.Then, the second measurement is placed with converter winding 41 around the outer surface of electrode central section 57.
Fig. 5 shows the stereogram of wheel rim electrode 43.Two wheel rim electrode half portions 43.1,43.2 are implemented and can in the same manner
Coordinate in the plane that the longitudinal axis of wheel rim electrode 43 is extended through and accurately mutually recline, so that two wheel rim electrodes half
Portion collectively forms electrode central section 57 and two shielding convex shoulders 59.Each shielding convex shoulder 59 is connected to electrode central section 57
On, wherein, shielding convex shoulder 59 is first relative to the electrode central section 57 in the region abutted directly against with electrode central section 57
First curve inwardly, and shield convex shoulder 59 and then flexed outwardly construct, so that shielding convex shoulder 59 has circular outer cover, from
The band annularly extended around electrode central section 57 is cut out in the annular shape outer cover.Take turns rim electrode 43 for shielding electric field and
By metal material, it is for example made of aluminum.
Although the present invention is further illustrated and described with example by preferred embodiment, but the present invention is from
Disclosed embodiment is limited, and thus those skilled in the art can also derive other different flexible programs, as long as
Protection scope of the present invention is not departed from.
List of numerals
1 measurement converter
Converter housing is used in 3 measurements
5 housing heads
7 housing bottoms
9 insulators
11 housing head ends
13 insulation fins
15 pressure relief valves
17 conductor casings
19 terminal boxes
21 active part units
22 winding arrangements
23 converter cells
25 primary conductors
27 primary conductor connectors
29 current transformer winding arrangements
31 shielding cases
Converter chipware is used in 33 measurements
34 chipware sections
35 extruded frames
35.1st, 35.2 extruded frame half portion
37 winding pipes
39th, converter winding is used in 41 measurements
43 wheel rim electrodes
43.1st, 43.2 electrode half portion
45 antitorque fixed parts
47 connection openings
49 frame holding parts
51 clamping elements
53 nuts
The recessed sky of 55 frames
57 electrode central sections
59 shielding convex shoulders
Claims (12)
1. the wheel rim electrode (43) of one kind measurement winding arrangement (22) of converter (1), the wheel rim electrode (43) include
The electrode central section (57) of-hollow tubular
- and form wheel rim electrode 43) two mutually opposing ends cricoid shielding convex shoulder (59),
- wherein, each shield convex shoulder (59) and be connected in electrode central section (57), and relative to electrode central section
(57) flexed outwardly construct.
2. wheel rim electrode (43) according to claim 1, it is characterised in that each shield convex shoulder (59) relative in electrode
Centre section (57) is bent outwardly more than 180 ° and openly constructs.
3. the wheel rim electrode (43) according to any one of the claims, it is characterised in that wheel rim electrode (43) is by two
A electrode half portion (43.1,43.2) composition, the electrode half portion respectively constitute the half portion of electrode central section (57) and each screen
Cover the half portion of convex shoulder (59).
4. the wheel rim electrode (43) according to any one of the claims, it is characterised in that wheel rim electrode (43) is by gold
Belong to material to be made.
5. the wheel rim electrode (43) according to any one of the claims, it is characterised in that wheel rim electrode (43) is by aluminium
It is made.
6. the winding arrangement (22) of one kind measurement converter (1), the winding arrangement (22) include
- the first measurement converter winding (39), first measurement are extended with converter winding around winding axis,
- wheel the rim electrode (43) according to any one of the claims, the wheel rim electrode become around the first measurement
Parallel operation winding (39) is arranged, so that the inner surface of electrode central section (57) is around the first measurement converter winding (39)
Outer surface,
- measured with second and use converter winding (41), second measurement surrounds electrode central section (57) with converter winding
Outer surface extension.
7. winding arrangement (22) according to claim 6, it is characterised in that be provided with winding pipe (37), the winding pipe
Extend around the first measuring strain parallel operation winding (39).
8. a kind of method for being used to manufacture the winding arrangement (22) according to claim 6 or 7, wherein, wheel rim electrode (43)
The outer surface material engagement ground of inner surface and the first measurement converter winding (39) of electrode central section (57) be connected, and
And then, the second measurement is placed with converter winding (41) around the outer surface of the electrode central section (57) of wheel rim electrode (43).
9. according to the method described in claim 8, it is characterized in that, the inner surface of electrode central section (57) using binding agent with
The outer surface material engagement ground of first measurement converter winding (39) is connected.
10. method according to claim 8 or claim 9, it is characterised in that the appearance in the first measurement with converter winding (39)
Apply binder, and the inner surface of electrode central section (57) on face and/or in the electrodes on the inner surface of centre section (57)
It is connected by the heating of binder with the outer surface material engagement ground of the first measurement converter winding (39).
11. converter (1) is used in one kind measurement, it has the winding arrangement (22) according to claim 6 or 7.
12. converter (1) is used in measurement according to claim 11, it is characterised in that is provided with chipware section (34)
Measurement with converter chipware (33), winding arrangement (22) is arranged around the measurement converter chipware.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015216860.3A DE102015216860A1 (en) | 2015-09-03 | 2015-09-03 | Rim electrode and winding arrangement of a transducer |
DE102015216860.3 | 2015-09-03 | ||
PCT/EP2016/068499 WO2017036715A1 (en) | 2015-09-03 | 2016-08-03 | Rim electrode and winding arrangement of a transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107924753A true CN107924753A (en) | 2018-04-17 |
Family
ID=56618153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680051034.0A Pending CN107924753A (en) | 2015-09-03 | 2016-08-03 | The wheel rim electrode and winding arrangement of measurement converter |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3320547B1 (en) |
CN (1) | CN107924753A (en) |
DE (1) | DE102015216860A1 (en) |
ES (1) | ES2877526T3 (en) |
WO (1) | WO2017036715A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016216499B4 (en) * | 2016-09-01 | 2018-04-19 | Siemens Aktiengesellschaft | Voltage transformer unit with an active part housing |
DE102019214368B4 (en) * | 2019-09-20 | 2023-02-02 | Siemens Energy Global GmbH & Co. KG | Instrument transformer arrangement with a voltage transformer and a current transformer |
DE102020201100A1 (en) * | 2020-01-30 | 2021-08-05 | Siemens Aktiengesellschaft | Voltage converter |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921113A (en) * | 1973-05-17 | 1975-11-18 | Siemens Ag | Single-conductor transformer for high-voltage installations |
DE2524547A1 (en) * | 1975-05-30 | 1976-12-09 | Siemens Ag | Single-wire transformer for HV switchgear - has adhesive layer between secondary windings and tube around wire |
JPS61201410A (en) * | 1985-03-04 | 1986-09-06 | Toshiba Corp | Gas insulated voltage transformer |
CN1036477A (en) * | 1987-11-09 | 1989-10-18 | 传感器制造股份公司 | High voltage potential transformer |
CN103730247A (en) * | 2013-12-17 | 2014-04-16 | 国家电网公司 | Full-shielding high-voltage isolated-type voltage transformer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE533273C (en) * | 1929-11-16 | 1931-09-11 | Koch & Sterzel Akt Ges | Measuring transformer set, consisting of an assembled current and voltage transformer |
CH218921A (en) * | 1940-08-19 | 1942-01-15 | Bbc Brown Boveri & Cie | High voltage current transformer. |
DE967656C (en) * | 1955-08-30 | 1957-12-05 | Koch & Sterzel Ag | Combined current and voltage converter |
DE2452056B2 (en) * | 1974-11-02 | 1978-02-09 | Messwandler-Bau Gmbh, 8600 Bamberg | INDUCTIVE VOLTAGE CONVERTER FOR A METAL ENCLOSED HIGH VOLTAGE SWITCHGEAR FULLY INSULATED WITH INSULATING GAS |
JPH0646611B2 (en) * | 1984-12-26 | 1994-06-15 | 日新電機株式会社 | Transformer |
CH698970A1 (en) * | 2008-06-04 | 2009-12-15 | Trench Switzerland Ag | High-voltage transducer with flexible insulation. |
CN103077811B (en) * | 2013-02-27 | 2015-07-08 | 江苏盛华电气有限公司 | Shield ring of high-voltage transformer winding and processing method thereof |
-
2015
- 2015-09-03 DE DE102015216860.3A patent/DE102015216860A1/en not_active Withdrawn
-
2016
- 2016-08-03 ES ES16750147T patent/ES2877526T3/en active Active
- 2016-08-03 WO PCT/EP2016/068499 patent/WO2017036715A1/en active Application Filing
- 2016-08-03 CN CN201680051034.0A patent/CN107924753A/en active Pending
- 2016-08-03 EP EP16750147.7A patent/EP3320547B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921113A (en) * | 1973-05-17 | 1975-11-18 | Siemens Ag | Single-conductor transformer for high-voltage installations |
DE2524547A1 (en) * | 1975-05-30 | 1976-12-09 | Siemens Ag | Single-wire transformer for HV switchgear - has adhesive layer between secondary windings and tube around wire |
JPS61201410A (en) * | 1985-03-04 | 1986-09-06 | Toshiba Corp | Gas insulated voltage transformer |
CN1036477A (en) * | 1987-11-09 | 1989-10-18 | 传感器制造股份公司 | High voltage potential transformer |
CN103730247A (en) * | 2013-12-17 | 2014-04-16 | 国家电网公司 | Full-shielding high-voltage isolated-type voltage transformer |
Also Published As
Publication number | Publication date |
---|---|
EP3320547A1 (en) | 2018-05-16 |
DE102015216860A1 (en) | 2017-03-09 |
WO2017036715A1 (en) | 2017-03-09 |
ES2877526T3 (en) | 2021-11-17 |
EP3320547B1 (en) | 2021-04-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107924753A (en) | The wheel rim electrode and winding arrangement of measurement converter | |
US20130100587A1 (en) | Gas-insulated electric device | |
US12078655B2 (en) | Voltage sensor for high and medium voltage use and a method of making the same | |
CN105185559A (en) | Medium and high voltage type combined electronic transformer | |
CN103532081B (en) | Stress cone and capacitive composite insulating high-voltage cable terminal for overhead line | |
CN100501416C (en) | Device for measuring the electrical current | |
CN106300216A (en) | Insulation terminal assembly | |
CN103748641B (en) | Including the high voltage device of insulation system | |
JP7089687B1 (en) | A porcelain unit for railroad vehicles and a power cable connection structure for railroad cars | |
CN201601012U (en) | Voltage transformer used for GIS | |
CN101340074B (en) | High voltage cable connector | |
CN107924759B (en) | The active part unit and measurement converter of measurement converter | |
AU2011278422B2 (en) | Polyphase-compressed-gas-insulated cable entry module having an encapsulation | |
CN104332258B (en) | The high-voltage wall bushing improved | |
JP7123705B2 (en) | dry transformer | |
CN204167022U (en) | A kind of high-voltage wall bushing | |
CN203562686U (en) | Post terminal moving end shielding structure of solid insulation switch | |
CN202084423U (en) | Bus bar current transformer | |
JPH0518450B2 (en) | ||
RU2696248C2 (en) | Current transformer and distribution device with current transformer | |
CN205211555U (en) | Flange formula oil charge transformer insulator | |
CN213546101U (en) | Built-in current transformer | |
CN108831720A (en) | Dry-type transformer taps plot structure | |
CN217562359U (en) | Voltage transformer for gas insulation station | |
CN216250039U (en) | Multi-level integrated elevator cable |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180417 |