CN112259404A - Novel 10-kilovolt self-grounding pole upper isolating switch and use method - Google Patents
Novel 10-kilovolt self-grounding pole upper isolating switch and use method Download PDFInfo
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- CN112259404A CN112259404A CN202011260839.0A CN202011260839A CN112259404A CN 112259404 A CN112259404 A CN 112259404A CN 202011260839 A CN202011260839 A CN 202011260839A CN 112259404 A CN112259404 A CN 112259404A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000003068 static effect Effects 0.000 claims abstract description 41
- 239000012212 insulator Substances 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 27
- 229910052802 copper Inorganic materials 0.000 claims description 27
- 239000010949 copper Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 6
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Cable Installation (AREA)
Abstract
A novel 10 KV isolating switch on a self-contained grounding column is characterized in that an insulator is arranged on a base, a conductive connecting plate is arranged on the insulator, and a knife switch is connected with the front end of the conductive connecting plate through a moving contact; the wire clamp and the static contact of the wire equipment are connected with the insulator arranged on the base through the conductive connecting plate; the grounding contact and the grounding wire equipment wire clamp are respectively connected through a conductive connecting plate. A novel 10 KV is from the application method of isolating switch on the grounding post, the knife switch pulls open from the static contact, pull open the isolating knife switch work completion on the post; the knife switch of the device is operated and is connected to the grounding contact in a rotating way around the moving contact to finish the grounding work; the knife switch of the device is pulled away from the grounding contact, and the grounding safety measure is removed; and operating the knife switch, and rotationally connecting the knife switch to the static contact around the moving contact to finish power transmission work. The invention has the advantages that: the working efficiency is improved, the safety and the reliability are ensured, the structure is exquisite and durable, and the production cost is low.
Description
Technical Field
The invention relates to the field of electric power facilities, in particular to a novel 10 kV isolating switch on a self-contained grounding column and a using method thereof.
Background
When the 10 kV power-off maintenance operation is carried out, power-off, electricity testing and grounding are indispensable technical measures for ensuring safety. In actual work, when the on-pole isolation switch and the electricity testing grounding ring are often arranged on different towers, an operator needs to mount the towers at least twice to complete necessary safety measures, the time spent is long, and the efficiency is not high; sometimes still can meet the condition that does not test electric ground ring, the operating personnel can hang the earth connection in post isolator and line connection's equipment fastener department this moment usually, because the shape of equipment fastener and earth lug do not match, easily take place the not hard up problem that drops even of earth connection, have the potential safety hazard.
Disclosure of Invention
The invention aims to reduce the number of times that operators climb towers on the premise of ensuring that safety measures are implemented in place, and simultaneously solves the problem that a grounding wire is hung at an equipment wire clamp to easily fall off under the condition that no electricity testing grounding ring is arranged, and particularly provides a novel 10 kV isolating switch on a self-contained grounding column and a using method thereof.
The invention provides a novel 10 KV isolating switch with a grounding pole, which is characterized in that: the novel 10-kilovolt isolating switch with the grounding column comprises a base 1, an insulator 2, a conductive connecting plate 3, a wire equipment wire clamp 4, a static contact 5, a moving contact 6, a knife switch 7, a grounding contact 8 and a grounding wire equipment wire clamp 9;
wherein: an insulator 2 is arranged on the base 1, a conductive connecting plate 3 is arranged on the insulator 2, and a knife switch 7 is connected with the front end of the conductive connecting plate 3 through a moving contact 6;
the wire clamp 4 and the static contact 5 of the wire equipment are connected with the insulator 2 arranged on the base 1 through the conductive connecting plate 3; the grounding contact 8 and the grounding line equipment clamp 9 are respectively connected through the conductive connecting plate 3.
The base 1 is made of an iron material, and is coated with anti-rust paint, so that the device is supported and can be fixed on the cross arm;
the insulator 2 is a silicon rubber composite insulator or a porcelain insulator.
The conductive connecting plate 3 is a copper material, is of a sheet structure, is connected with each part of the device, and has good conductivity.
The wire clamp 4 is made of copper and aluminum, has a copper-aluminum transition function, is arranged on the left and right, and is connected with the conductive connecting plate.
The static contact 5 is made of a copper material and can firmly clamp the knife switch 7.
The moving contact 6 is a copper material part, and particularly is a rotating shaft structure.
The knife switch 7 is made of a copper material, one end of the knife switch is fixed on the movable contact 6 and can rotate around the movable contact, and an operator can connect or separate the other end of the knife switch to or from the static contact 5 or the grounding contact 8 by operating the knife switch.
The grounding contact 8 is a copper material piece and can firmly clamp the knife switch 7.
The ground wire equipment clamp 9 is connected with the ground contact 8 to provide a connecting platform for a ground wire.
A novel use method of a 10 kV isolating switch on a grounding pole is characterized in that:
the method comprises the following steps: when power is cut off, an operator pulls the pole switch open or obtains the power cut information of the line, pulls the knife switch of the device open from the static contact, and pulls the isolation knife switch on the pole open;
step two: after the operating personnel verify that the wire equipment wire clamps at the two ends of the device are really free of voltage, the knife switch of the device is operated and is rotationally connected to the grounding contact around the moving contact, and at the moment, a circuit to be overhauled forms an electric loop with the grounding wire through the wire equipment wire clamp, the connecting plate, the moving contact, the knife switch, the grounding contact, the grounding wire equipment wire clamp and the grounding wire of the device, so that the grounding work is finished;
step three: when power transmission is recovered, after the operator obtains the information that the circuit is ensured to be unmanned and has no any remnants, the knife switch of the device is pulled away from the grounding contact, and the grounding safety measure is removed to finish the work;
step four: after the operating personnel obtain the information that all the grounding devices on the circuit have been completely removed, the knife switch of the device is operated and is rotationally connected to the static contact around the moving contact, at the moment, the power supply side circuit forms an electric loop with the maintenance completion circuit through the wire device clamp, the connecting plate, the moving contact, the knife switch, the static contact of the device, and the power transmission work is completed.
The invention has the advantages that:
meanwhile, the pole-mounted isolating switch has the functions of a traditional pole-mounted isolating switch and an electricity testing grounding ring, and an operator can finish three tasks of power isolation, electricity testing and grounding only by climbing a pole once and at the same position; the power failure, grounding or grounding removal and power transmission can be completed only by operating the knife switch of the device to rotate around the moving contact and to be separated from or combined with the static contact or the grounding contact, so that the device is convenient and quick; when the safety measure of grounding needs to be finished, an operator can close the grounding contact only after pulling the knife switch of the device away from the static contact, and when power transmission needs to be finished, the operator can close the static contact only after pulling the knife switch of the device away from the grounding contact, so that the possibility of misoperation that the operator hooks a ground wire with load or hooks a grounding switch with the ground is avoided; an electricity testing grounding ring does not need to be independently designed and installed around the on-post isolation switch, so that materials are saved, and the insulating layer of the insulated wire is prevented from being damaged due to the installation of the electricity testing grounding ring; the mechanical strength required when the knife switch is closed by pulling is met, the insulating strength requirement of 10 kilovolt voltage grade is met, the contact resistance requirement between the knife switch and a static contact and between the knife switch and a grounding contact is met, the structure is exquisite, the service life is long, and the production cost is low. The working efficiency is improved. Meanwhile, the embarrassment that electricity can not be tested and the grounding cannot be carried out when no electricity testing grounding ring is arranged around the isolating disconnecting link on the post is avoided, and the grounding measure is guaranteed to be safely and reliably completed. The structure is exquisite and durable, the production cost is low, and the pole-mounted isolating switch is an excellent substitute for the traditional pole-mounted isolating switch.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic diagram of a novel 10 kV isolating switch with a grounding pole;
FIG. 2 is a schematic diagram of the completion of grounding work;
fig. 3 is a schematic diagram showing the completion of the power transmission operation.
Detailed Description
Example 1
The invention provides a novel 10 KV isolating switch with a grounding pole, which is characterized in that: the novel 10-kilovolt isolating switch with the grounding column comprises a base 1, an insulator 2, a conductive connecting plate 3, a wire equipment wire clamp 4, a static contact 5, a moving contact 6, a knife switch 7, a grounding contact 8 and a grounding wire equipment wire clamp 9;
wherein: an insulator 2 is arranged on the base 1, a conductive connecting plate 3 is arranged on the insulator 2, and a knife switch 7 is connected with the front end of the conductive connecting plate 3 through a moving contact 6;
the wire clamp 4 and the static contact 5 of the wire equipment are connected with the insulator 2 arranged on the base 1 through the conductive connecting plate 3; the grounding contact 8 and the grounding line equipment clamp 9 are respectively connected through the conductive connecting plate 3.
The base 1 is made of an iron material, and is coated with anti-rust paint, so that the device is supported and can be fixed on the cross arm;
the insulator 2 is a silicon rubber composite insulator or a porcelain insulator.
The conductive connecting plate 3 is a copper material, is of a sheet structure, is connected with each part of the device, and has good conductivity.
The wire clamp 4 is made of copper and aluminum, has a copper-aluminum transition function, is arranged on the left and right, and is connected with the conductive connecting plate.
The static contact 5 is made of a copper material and can firmly clamp the knife switch 7.
The moving contact 6 is a copper material part, and particularly is a rotating shaft structure.
The knife switch 7 is made of a copper material, one end of the knife switch is fixed on the movable contact 6 and can rotate around the movable contact, and an operator can connect or separate the other end of the knife switch to or from the static contact 5 or the grounding contact 8 by operating the knife switch.
The grounding contact 8 is a copper material piece and can firmly clamp the knife switch 7.
The ground wire equipment clamp 9 is connected with the ground contact 8 to provide a connecting platform for a ground wire.
A novel use method of a 10 kV isolating switch on a grounding pole is characterized in that:
the method comprises the following steps: when power is cut off, an operator pulls the pole switch open or obtains the power cut information of the line, pulls the knife switch of the device open from the static contact, and pulls the isolation knife switch on the pole open;
step two: after the operating personnel verify that the wire equipment wire clamps at the two ends of the device are really free of voltage, the knife switch of the device is operated and is rotationally connected to the grounding contact around the moving contact, and at the moment, a circuit to be overhauled forms an electric loop with the grounding wire through the wire equipment wire clamp, the connecting plate, the moving contact, the knife switch, the grounding contact, the grounding wire equipment wire clamp and the grounding wire of the device, so that the grounding work is finished;
step three: when power transmission is recovered, after the operator obtains the information that the circuit is ensured to be unmanned and has no any remnants, the knife switch of the device is pulled away from the grounding contact, and the grounding safety measure is removed to finish the work;
step four: after the operating personnel obtain the information that all the grounding devices on the circuit have been completely removed, the knife switch of the device is operated and is rotationally connected to the static contact around the moving contact, at the moment, the power supply side circuit forms an electric loop with the maintenance completion circuit through the wire device clamp, the connecting plate, the moving contact, the knife switch, the static contact of the device, and the power transmission work is completed.
Example 2
The invention provides a novel 10 KV isolating switch with a grounding pole, which is characterized in that: the novel 10-kilovolt isolating switch with the grounding column comprises a base 1, an insulator 2, a conductive connecting plate 3, a wire equipment wire clamp 4, a static contact 5, a moving contact 6, a knife switch 7, a grounding contact 8 and a grounding wire equipment wire clamp 9;
wherein: an insulator 2 is arranged on the base 1, a conductive connecting plate 3 is arranged on the insulator 2, and a knife switch 7 is connected with the front end of the conductive connecting plate 3 through a moving contact 6;
the wire clamp 4 and the static contact 5 of the wire equipment are connected with the insulator 2 arranged on the base 1 through the conductive connecting plate 3; the grounding contact 8 and the grounding line equipment clamp 9 are respectively connected through the conductive connecting plate 3.
The wire clamp 4 is made of copper and aluminum, has a copper-aluminum transition function, is arranged on the left and right, and is connected with the conductive connecting plate.
The static contact 5 is made of a copper material and can firmly clamp the knife switch 7.
The moving contact 6 is a copper material part, and particularly is a rotating shaft structure.
The knife switch 7 is made of a copper material, one end of the knife switch is fixed on the movable contact 6 and can rotate around the movable contact, and an operator can connect or separate the other end of the knife switch to or from the static contact 5 or the grounding contact 8 by operating the knife switch.
The grounding contact 8 is a copper material piece and can firmly clamp the knife switch 7.
The ground wire equipment clamp 9 is connected with the ground contact 8 to provide a connecting platform for a ground wire.
A novel use method of a 10 kV isolating switch on a grounding pole is characterized in that:
the method comprises the following steps: when power is cut off, an operator pulls the pole switch open or obtains the power cut information of the line, pulls the knife switch of the device open from the static contact, and pulls the isolation knife switch on the pole open;
step two: after the operating personnel verify that the wire equipment wire clamps at the two ends of the device are really free of voltage, the knife switch of the device is operated and is rotationally connected to the grounding contact around the moving contact, and at the moment, a circuit to be overhauled forms an electric loop with the grounding wire through the wire equipment wire clamp, the connecting plate, the moving contact, the knife switch, the grounding contact, the grounding wire equipment wire clamp and the grounding wire of the device, so that the grounding work is finished;
step three: when power transmission is recovered, after the operator obtains the information that the circuit is ensured to be unmanned and has no any remnants, the knife switch of the device is pulled away from the grounding contact, and the grounding safety measure is removed to finish the work;
step four: after the operating personnel obtain the information that all the grounding devices on the circuit have been completely removed, the knife switch of the device is operated and is rotationally connected to the static contact around the moving contact, at the moment, the power supply side circuit forms an electric loop with the maintenance completion circuit through the wire device clamp, the connecting plate, the moving contact, the knife switch, the static contact of the device, and the power transmission work is completed.
Example 3
The invention provides a novel 10 KV isolating switch with a grounding pole, which is characterized in that: the novel 10-kilovolt isolating switch with the grounding column comprises a base 1, an insulator 2, a conductive connecting plate 3, a wire equipment wire clamp 4, a static contact 5, a moving contact 6, a knife switch 7, a grounding contact 8 and a grounding wire equipment wire clamp 9;
wherein: an insulator 2 is arranged on the base 1, a conductive connecting plate 3 is arranged on the insulator 2, and a knife switch 7 is connected with the front end of the conductive connecting plate 3 through a moving contact 6;
the wire clamp 4 and the static contact 5 of the wire equipment are connected with the insulator 2 arranged on the base 1 through the conductive connecting plate 3; the grounding contact 8 and the grounding line equipment clamp 9 are respectively connected through the conductive connecting plate 3.
The base 1 is made of an iron material, and is coated with anti-rust paint, so that the device is supported and can be fixed on the cross arm;
the insulator 2 is a silicon rubber composite insulator or a porcelain insulator.
The conductive connecting plate 3 is a copper material, is of a sheet structure, is connected with each part of the device, and has good conductivity.
The wire clamp 4 is made of copper and aluminum, has a copper-aluminum transition function, is arranged on the left and right, and is connected with the conductive connecting plate.
The static contact 5 is made of a copper material and can firmly clamp the knife switch 7.
The grounding contact 8 is a copper material piece and can firmly clamp the knife switch 7.
The ground wire equipment clamp 9 is connected with the ground contact 8 to provide a connecting platform for a ground wire.
A novel use method of a 10 kV isolating switch on a grounding pole is characterized in that:
the method comprises the following steps: when power is cut off, an operator pulls the pole switch open or obtains the power cut information of the line, pulls the knife switch of the device open from the static contact, and pulls the isolation knife switch on the pole open;
step two: after the operating personnel verify that the wire equipment wire clamps at the two ends of the device are really free of voltage, the knife switch of the device is operated and is rotationally connected to the grounding contact around the moving contact, and at the moment, a circuit to be overhauled forms an electric loop with the grounding wire through the wire equipment wire clamp, the connecting plate, the moving contact, the knife switch, the grounding contact, the grounding wire equipment wire clamp and the grounding wire of the device, so that the grounding work is finished;
step three: when power transmission is recovered, after the operator obtains the information that the circuit is ensured to be unmanned and has no any remnants, the knife switch of the device is pulled away from the grounding contact, and the grounding safety measure is removed to finish the work;
step four: after the operating personnel obtain the information that all the grounding devices on the circuit have been completely removed, the knife switch of the device is operated and is rotationally connected to the static contact around the moving contact, at the moment, the power supply side circuit forms an electric loop with the maintenance completion circuit through the wire device clamp, the connecting plate, the moving contact, the knife switch, the static contact of the device, and the power transmission work is completed.
Claims (10)
1. The utility model provides a novel 10 kilovolts is from taking isolator on ground connection post which characterized in that: the novel 10-kilovolt self-mounted grounding pole upper isolating switch comprises a base (1), an insulator (2), a conductive connecting plate (3), a wire equipment clamp (4), a static contact (5), a movable contact (6), a knife switch (7), a grounding contact (8) and a grounding wire equipment clamp (9);
wherein: an insulator (2) is arranged on the base (1), a conductive connecting plate (3) is arranged on the insulator (2), and a knife switch (7) is connected with the front end of the conductive connecting plate (3) through a moving contact (6);
the wire clamp (4) and the static contact (5) of the wire equipment are connected with the insulator (2) arranged on the base (1) through the conductive connecting plate (3); the grounding contact (8) and the grounding wire equipment wire clamp (9) are respectively connected through the conductive connecting plate (3).
2. The novel 10 kv self-contained grounding pole upper disconnecting switch according to claim 1, characterized in that: the base (1) adopt the iron material spare, the outer anti-rust paint that scribbles provides the support for this device, can fix on the cross arm.
3. The novel 10 kv self-contained grounding pole upper disconnecting switch according to claim 1, characterized in that: the insulator (2) is a silicon rubber composite insulator or a porcelain insulator.
4. The novel 10 kv self-contained grounding pole upper disconnecting switch according to claim 1, characterized in that: the conductive connecting plate (3) is a copper material, is of a sheet structure, is connected with each part of the device, and has good conductivity.
5. The novel 10 kv self-contained grounding pole upper disconnecting switch according to claim 1, characterized in that: the wire clamp (4) is made of copper and aluminum, has a copper-aluminum transition function, is arranged on the left and right, and is connected with the conductive connecting plate.
6. The novel 10 kv self-contained grounding pole upper disconnecting switch according to claim 1, characterized in that: the static contact (5) is made of a copper material and can firmly clamp the knife switch (7).
7. The novel 10 kv self-contained grounding pole upper disconnecting switch according to claim 1, characterized in that: the moving contact (6) is a copper material part, and particularly is a rotating shaft structure.
8. The novel 10 kv self-contained grounding pole upper disconnecting switch according to claim 1, characterized in that: the knife switch (7) is made of a copper material, one end of the knife switch is fixed on the moving contact (6) and can rotate around the moving contact, and an operator can connect or separate the other end of the knife switch to or from the static contact (5) or the grounding contact (8) by operating the knife switch.
9. The novel 10 kv self-contained grounding pole upper disconnecting switch according to claim 1, characterized in that: the grounding contact (8) is a copper material piece and can firmly clamp the knife switch (7).
10. The use method of the novel 10 kv self-contained grounding pole upper disconnecting switch as claimed in claim 1, characterized in that:
the method comprises the following steps: when power is cut off, an operator pulls the pole switch open or obtains the power cut information of the line, pulls the knife switch of the device open from the static contact, and pulls the isolation knife switch on the pole open;
step two: after the operating personnel verify that the wire equipment wire clamps at the two ends of the device are really free of voltage, the knife switch of the device is operated and is rotationally connected to the grounding contact around the moving contact, and at the moment, a circuit to be overhauled forms an electric loop with the grounding wire through the wire equipment wire clamp, the connecting plate, the moving contact, the knife switch, the grounding contact, the grounding wire equipment wire clamp and the grounding wire of the device, so that the grounding work is finished;
step three: when power transmission is recovered, after the operator obtains the information that the circuit is ensured to be unmanned and has no any remnants, the knife switch of the device is pulled away from the grounding contact, and the grounding safety measure is removed to finish the work;
step four: after the operating personnel obtain the information that all the grounding devices on the circuit have been completely removed, the knife switch of the device is operated and is rotationally connected to the static contact around the moving contact, at the moment, the power supply side circuit forms an electric loop with the maintenance completion circuit through the wire device clamp, the connecting plate, the moving contact, the knife switch, the static contact of the device, and the power transmission work is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260839.0A CN112259404A (en) | 2020-11-12 | 2020-11-12 | Novel 10-kilovolt self-grounding pole upper isolating switch and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260839.0A CN112259404A (en) | 2020-11-12 | 2020-11-12 | Novel 10-kilovolt self-grounding pole upper isolating switch and use method |
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| Publication Number | Publication Date |
|---|---|
| CN112259404A true CN112259404A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011260839.0A Pending CN112259404A (en) | 2020-11-12 | 2020-11-12 | Novel 10-kilovolt self-grounding pole upper isolating switch and use method |
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| CN (1) | CN112259404A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921324A (en) * | 2021-10-20 | 2022-01-11 | 广东电网有限责任公司江门供电局 | 10kV isolation switch electric operating device |
-
2020
- 2020-11-12 CN CN202011260839.0A patent/CN112259404A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921324A (en) * | 2021-10-20 | 2022-01-11 | 广东电网有限责任公司江门供电局 | 10kV isolation switch electric operating device |
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