IP Library › Granted Patent US 10,460,893
Granted Patent B2
US 10,460,893 · App. 15/292,163 · Granted Oct 29, 2019

Embedded pole part for medium or high voltage use, with a vacuum interrupter which is embedded into an insulating resin

Inventors: Wenkai Shang (Ratingen, DE); Dietmar Gentsch (Ratingen, DE); Petr Neumann (Brno, CZ); Roman Pernica (Brno, CZ)
Assignee: ABB SCHWEIZ AG
H01H33/027H01H33/6606H01H33/66207H01H2033/6623
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Quick Facts
Patent No.
US 10,460,893
App. No.
15/292,163
Granted
Oct 29, 2019
Kind
B2
Abstract

An embedded pole part for medium or high voltage use, with a vacuum interrupter which is embedded into an insulating resin, wherein a current and/or voltage sensor with sensor housing is integrated inside the insulating resin. In order to overcome the problems of the art, and to enhance the accuracy of voltage measurement, a metal grid is implemented into the insulating resin, which is arranged between the sensor housing of the current and/or voltage sensor and the outer surface of the insulating resin.

Claims (38)

1. An embedded pole part for medium or high voltage use, the part comprising:

a vacuum interrupter which is embedded into an insulating resin;

a current and/or voltage sensor including a sensor housing, integrated inside the insulating resin, arranged rotationally symmetrically around a conductor of the pole part, the sensor housing having an outer circumference;

a metal grid, implemented into the insulating resin and around the outer circumference of the sensor housing.

2. The part of claim 1 , comprising the current sensor.

3. The part of claim 1 , comprising the voltage sensor.

4. The part of claim 1 , comprising the current sensor and the voltage sensor.

5. The part of claim 1 , wherein the metal grid is electrically conductive or capacitively connected to ground potential.

6. The part of claim 5 , wherein the metal grid is connected to ground potential via an electrical conductive cable,

wherein the conductive cable is aligned along its path from the metal grid to the ground potential around one or more signal cables of the current and/or the voltage sensor in a spiral way.

7. The part of claim 1 , wherein the metal grid is connected to ground potential via an electrical conductive cable, wherein the conductive cable is aligned along its path from the metal grid to the ground potential around one or more signal cables of the current and/or the voltage sensor in a spiral way.

8. The part of claim 1 , comprising the voltage sensor,

wherein the voltage sensor is applied at a line side of the pole part.

9. The part of claim 1 , wherein, in order to achieve good function, the metal grid has an at least partly cylindrical form, or a C- or L-shaped form.

10. The part of claim 1 , wherein the metal grid has an at least partly cylindrical form.

11. The part of claim 1 , wherein the metal grid has a C-shaped form.

12. The part of claim 1 , wherein the metal grid has an L-shaped form.

13. A method for producing the part of claim 1 , the method comprising:

molding the current sensor, capacitive sensor electrode, and a corresponding shielded cable, which connects the current transformer and the capacitive electrode, in the insulating resin; and then

assembling a metal grid to a molded subassembly; and then

electrically connecting the metal grid to the corresponding shielded cable.

14. An embedded pole part for medium or high voltage use, the part comprising:

a vacuum interrupter which is embedded into an insulating resin;

a current and/or voltage sensor, and including a sensor housing having an outer circumference, integrated inside the insulating resin; and

a metal grid, surrounding the outer circumference and implemented into the insulating resin,

wherein the metal grid is arranged between the sensor housing of the current and/or voltage sensor and an outer surface of the insulating resin,

wherein the metal grid is connected to ground potential via an electrical conductive cable, and

wherein the conductive cable is aligned along its path from the metal grid to the ground potential around one or more signal cables of the current and/or the voltage sensor in a spiral way.

15. The part of claim 14 , wherein the metal grid has an at least partly cylindrical form.

16. The part of claim 14 , wherein the metal grid has a C-shaped form.

17. The part of claim 14 , wherein the metal grid has an L-shaped form.

18. An embedded pole part for medium or high voltage use, the part comprising:

a vacuum interrupter which is embedded into an insulating resin;

a current and/or voltage sensor including a sensor housing having an outer circumference, integrated inside the insulating resin; and

a metal grid, implemented into the insulating resin, arranged around the circumference of the sensor housing,

wherein the metal grid is arranged between the sensor housing of the current and/or voltage sensor and an outer surface of the insulating resin, and

wherein a conductive cable is aligned along its path from the metal grid to the ground potential around one or more signal cables of the current and/or the voltage sensor in a spiral way.

19. The part of claim 18 , wherein the metal grid has an at least partly cylindrical, C-shaped, or L-shaped form.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 13, 2016
From: SHANG, WENKAI; GENTSCH, DIETMAR; NEUMANN, PETR; PERNICA, ROMAN
To: ABB SCHWEIZ AG
Reel/Frame 040002/0674 →
Priority Claims (1)
EP 14001354 · Apr 14, 2014 · regional
Continuity (2)
Continuation PCTEP2014002264 · Aug 18, 2014
Related Publication 20170032912A1 · Feb 2, 2017
Cited By (1)
US 12,749,637