CN203166397U - Circuit structure for eliminating induction voltage - Google Patents
Circuit structure for eliminating induction voltage Download PDFInfo
- Publication number
- CN203166397U CN203166397U CN 201320144784 CN201320144784U CN203166397U CN 203166397 U CN203166397 U CN 203166397U CN 201320144784 CN201320144784 CN 201320144784 CN 201320144784 U CN201320144784 U CN 201320144784U CN 203166397 U CN203166397 U CN 203166397U
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- circuit structure
- resistor
- resistance
- eliminating
- induced voltage
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Abstract
The utility model relates to a circuit structure for eliminating induction voltage, which is installed on a distribution line required to be maintained. The circuit structure comprises a down lead, a resistor and a grounding wire, wherein the down lead is connected to the distribution line required to be maintained, the resistor is a 10 kilohm resistor and connected with the down lead, the upper end of the grounding wire is connected with the resistor, and the lower end is grounded. Compared with the prior art, when the circuit structure for eliminating the induction voltage is used, one end of the grounding wire is fixed and fastened with a grounding body first, and the down lead is connected through the resistor, so that the induction voltage flows into the ground through a steel wire in a rope, and current is greatly reduced through the resistor, thereby having no impact on the human body, and enabling the induced electricity to disappear. The circuit structure provided by the utility model has the advantages of low cost, convenient installation and the like.
Description
Technical field
The utility model relates to a kind of circuit structure, especially relates to a kind of circuit structure of eliminating induced voltage.
Background technology
In recent years along with the develop rapidly of electric utility, the safe operation of 1000KV ultra high voltage, 500KV has become the major network structure.Power supply reliability for support equipment, all to carry out preventive trial to it at different model equipment every several years, check whether test data meets standard, sometimes in process of the test, also need the lead-in wire of power failure equipments both sides is removed, owing near power failure equipments, also have the equipment of operation, so can produce induced voltage at the equipment that has a power failure, the intensity of induced voltage higher (the particularly above electric pressure of 220KV), can cause the staff can't operate as normal, generally be ground connection between the bottom of high-altitude operation vehicle and earth mat for eliminating the induced voltage staff, between the lead-in wire that top and the needs of high-altitude operation vehicle are removed, link to each other again then, play the way of eliminating induced voltage like this, though this way is often used, flow process is loaded down with trivial details, but also can not eliminate induced voltage completely.Because behind the bolt of removing anchor leg, put to ground after the lead-in wire colligation that need will remove with rope, so just need remove the top of high-altitude operation vehicle and the earth connection that needs to link to each other between the lead-in wire of dismounting, so also have induced voltage on the lead-in wire that is removed.
In addition, in the construction of transmission line and in service, find that it is a series of induced electricity problems such as electroprobe is bright, the numb electricity of low-voltage circuit that the resident complains more, especially parallel industry of setting up and the civilian distribution wire induced voltage problem under power-off condition under the extra high voltage network, caused public's impression of shocking by electricity, making the public frightened to the extra high voltage network generation, is to hinder the main cause that transmission line is completed on time and normally move.At present, the circuit that does not still have this type of problem of solution.
The utility model content
The purpose of this utility model is exactly to provide a kind of induced electricity that makes to disappear for the defective that overcomes above-mentioned prior art existence, the circuit structure of the elimination induced voltage that cost is low, easy for installation.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of circuit structure of eliminating induced voltage is installed on the distribution line that needs maintenance, and this circuit structure comprises downlead, resistance and earth connection,
Described downlead is connected on the distribution line that needs maintenance;
Described resistance is the resistance of 10k Ω, is connected with downlead;
Described earth connection upper end is connected lower end ground connection with resistance.
On the described downlead hinge-type anchor ear can also be set.
The outside of described earth connection is coated with insulating barrier.
Described earth connection end is provided with terminal block, connects ground connection by bolt.
Compared with prior art, the utility model when in use, earlier that an end and the earth electrode of earth connection is fixing fastening, connect downlead by resistance, induced voltage will flow into the earth by the steel wire in the rope like this, and greatly reduces the electric current that passes through by resistance, can be not influential to human body, and make induced electricity disappear, have advantages such as cost is low, easy for installation.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure, 1 is that downlead, 2 is that resistance, 3 is the distribution line of earth connection, 4 for needing to overhaul.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
A kind of circuit structure of eliminating induced voltage, its structure as shown in Figure 1, be installed on the distribution line 4 that needs maintenance, this circuit structure comprises downlead 1, resistance 2 and earth connection 3, and wherein, downlead 1 is connected on the distribution line 4 that needs maintenance, resistance 2 is the resistance of 10k Ω, be connected with downlead 1, the upper end of earth connection 3 is connected with resistance 2, lower end ground connection.Use for convenience and improved whole security performance, the hinge-type anchor ear that can also be provided for connecting on downlead 1 is coated with insulating barrier in the outside of earth connection 3.The end of earth connection 3 can also arrange terminal block, connects ground connection by bolt.When in use, earlier that an end and the earth electrode of earth connection 3 is fixing fastening, connect downlead 1 by resistance 2, induced voltage will flow into the earth by the steel wire in the rope like this, and greatly reduce the electric current that passes through by resistance, can be not influential to human body, and make induced electricity disappear.
Claims (4)
1. a circuit structure of eliminating induced voltage is installed on the distribution line that needs maintenance, it is characterized in that this circuit structure comprises downlead, resistance and earth connection,
Described downlead is connected on the distribution line that needs maintenance;
Described resistance is the resistance of 10k Ω, is connected with downlead;
Described earth connection upper end is connected lower end ground connection with resistance.
2. a kind of circuit structure of eliminating induced voltage according to claim 1 is characterized in that, on the described downlead hinge-type anchor ear can also be set.
3. a kind of circuit structure of eliminating induced voltage according to claim 1 is characterized in that the outside of described earth connection is coated with insulating barrier.
4. a kind of circuit structure of eliminating induced voltage according to claim 1 is characterized in that, described earth connection end is provided with terminal block, connects ground connection by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144784 CN203166397U (en) | 2013-03-27 | 2013-03-27 | Circuit structure for eliminating induction voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144784 CN203166397U (en) | 2013-03-27 | 2013-03-27 | Circuit structure for eliminating induction voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166397U true CN203166397U (en) | 2013-08-28 |
Family
ID=49027557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320144784 Expired - Lifetime CN203166397U (en) | 2013-03-27 | 2013-03-27 | Circuit structure for eliminating induction voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332883B (en) * | 2014-11-19 | 2017-01-04 | 上海高试电气科技有限公司 | A kind of device eliminating 380V Domestic distribution line influence electricity |
| TWI765754B (en) * | 2021-06-24 | 2022-05-21 | 台灣電力股份有限公司 | With circuit arrangement for eliminating induced voltage |
-
2013
- 2013-03-27 CN CN 201320144784 patent/CN203166397U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332883B (en) * | 2014-11-19 | 2017-01-04 | 上海高试电气科技有限公司 | A kind of device eliminating 380V Domestic distribution line influence electricity |
| TWI765754B (en) * | 2021-06-24 | 2022-05-21 | 台灣電力股份有限公司 | With circuit arrangement for eliminating induced voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |