CN209709742U - Double-CT power taking and supplying device for high-voltage cable monitoring equipment - Google Patents
Double-CT power taking and supplying device for high-voltage cable monitoring equipment Download PDFInfo
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- CN209709742U CN209709742U CN201920478291.3U CN201920478291U CN209709742U CN 209709742 U CN209709742 U CN 209709742U CN 201920478291 U CN201920478291 U CN 201920478291U CN 209709742 U CN209709742 U CN 209709742U
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Abstract
The utility model discloses a two CT get electric power supply unit for high tension cable monitoring facilities, including high tension cable and monitoring facilities, still include two and get electric CT and power control module, two get electric CT and install respectively and get the electricity on adjacent two return high tension cable, two get electric CT's output all with power control module's input links to each other, power control module control one of them get electric CT alone power supply or control two get electric CT and supply power simultaneously, can get electric CT simultaneously power supply for two, also can singly get the electric CT power supply, can guarantee under single circuit load current is not enough, power failure state or the fault condition, monitoring facilities still can get electric CT normal power supply through another return circuit, guarantee cable monitoring facilities normal operating.
Description
Technical field
The utility model embodiment is related to high-tension cable monitoring device field, is applied to electric system power transmission cable O&M row
Industry, and in particular to a kind of double CT for high-tension cable monitoring device take electric power supply unit.
Background technique
Electric system on-line monitoring is the important means that operation power department obtains operation data, complete with smart grid
Face construction improves power supply quality and people's power supply reliability, there is an urgent need to have to power grid to improve the management level of power grid
The monitoring of effect needs to set various energy monitoring apparatus such as The Rogowski Optical Current Transformer, temperature measurement equipment and vibration monitoring
Standby etc. be installed on power equipment carries out monitoring steady in a long-term.Above-mentioned energy monitoring apparatus is due to being directly installed on transmission line of electricity
On, it can not directly power from ground side to it, therefore the powerup issue of energy monitoring apparatus is that energy monitoring apparatus operates normally
And important guarantee.
Existing energy monitoring apparatus generally by the way of taking electricity and current transformer to take electricity nearby, takes electric line nearby
It is laid with larger workload, higher cost and safety is bad reduces cost although current transformer takes electricity that can reduce volume,
But when taking electric line load less than electric CT starting current is taken, path monitoring equipment can be unable to operate normally, and worked as and taken electricity
Route breaks down, and path monitoring equipment can cannot provide help in malfunction elimination because electricity shortage is unable to operate normally.
Utility model content
For this purpose, the utility model embodiment, which provides a kind of double CT for high-tension cable monitoring device, takes electric power supply unit,
Use double double loops CT and meanwhile power supply with alleviate it is existing in the prior art take electricity to limit monitoring device monitoring range nearby,
And laying power supply line workload and cost can all increase, and there are some potential safety problemss, take electricity when taking electric line load to be less than
When CT starting current, path monitoring equipment, which can be unable to operate normally and work as, takes electric line to break down, path monitoring equipment meeting
Because electricity shortage is unable to operate normally, the technical problems such as help cannot be provided in malfunction elimination.
For this purpose, the utility model uses following technical scheme:
A kind of double CT for high-tension cable monitoring device take electric power supply unit, including high-tension cable and monitoring device, also
Electric CT and energy supply control module are taken including two.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, and two
Electric CT is taken to be separately mounted to carry out taking electricity on adjacent twice high-tension cables described in a.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, and two
A output end for taking electric CT is connected with the input terminal of the energy supply control module.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, institute
State energy supply control module control described in one of them take electric CT individually power or control two described in take electric CT while powering.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, institute
Energy supply control module output end is stated to connect with monitoring device.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, institute
Stating energy supply control module includes DC/DC converter and power-supply filter, the output end and DC/DC converter of the power-supply filter
Input terminal be connected.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, institute
The output end that DC/DC converter is stated as energy supply control module is connected with monitoring device.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, institute
The input terminal connection of power-supply filter is stated there are two rectifier, the input terminal of rectifier described in two takes electric CT with two respectively
It is connected.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, institute
It states to take and is connected with lightning surge protector between electric CT and rectifier.
A kind of double CT for high-tension cable monitoring device as the utility model take electric power supply unit preferred embodiment, institute
It states rectifier and is connected with overload protective device.
The embodiments of the present invention has the advantages that
The utility model by two by taking electric CT to be separately mounted to carry out taking electricity, power supply control on adjacent twice high-tension cables
The input terminal of molding block takes electric CT output end to connect with two respectively, and energy supply control module output end is connect with monitoring device, can two
It is a to take electric CT while powering, it can also singly take electric CT to power, can guarantee in single back line load current deficiency, power failure or event
In the case of barrier, monitoring device can still take electric CT normal power supply by another circuit, ensure that cable monitoring equipment operates normally.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the overall structure diagram in the utility model embodiment；
Fig. 2 is the structural schematic diagram of energy supply control module in the utility model embodiment.
In figure:
1- high-tension cable；2- monitoring device；3- takes electric CT；4- energy supply control module；5- central processing unit；6- power supply electricity
Press collector；7- power supply control output end；8- power supply relay.
Specific embodiment
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
As shown in Figure 1 to Figure 2, the utility model provides a kind of double CT for high-tension cable monitoring device and takes electric power supply
Device, including high-tension cable 1 and monitoring device 2 further include two and take electric CT3 and energy supply control module 4, take electricity described in two
CT3 is separately mounted to carry out taking electricity on adjacent twice high-tension cables 1, taken described in two the output end of electric CT3 with the electricity
The input terminal of source control module 4 is connected, the energy supply control module 4 control described in one of them take electric CT3 individually power or
Electric CT3 is taken described in control two while being powered, and 4 output end of energy supply control module is connect with monitoring device 2.
As shown in Fig. 2, in the present invention, the energy supply control module 4 includes DC/DC converter 5 and power filter
The output end of device 6, the power-supply filter 6 is connected with the input terminal of DC/DC converter 5, and the DC/DC converter 5 is as electricity
The output end of source control module 4 is connected with monitoring device 2, and the input terminal of the power-supply filter 6 is connected there are two rectifier 7,
The input terminal of rectifier 7 described in two takes electric CT3 to be connected with two respectively, and described take is connected between electric CT3 and rectifier 7
Lightning surge protector, the rectifier connect 7 and are connected to overload protective device 8.
As depicted in figs. 1 and 2, in the utility model by taking electric CT3 to be separately mounted to adjacent twice high-voltage electricity for two
It carries out taking electricity on cable 1, the input terminal of energy supply control module 4 takes electric CT3 output end to connect with two respectively, and energy supply control module 4 is defeated
Outlet is connect with monitoring device 2, can two take electric CT3 while powering, can also singly take electric CT3 to power, can guarantee in single loop line
Under road load current deficiency, power failure or fault condition, monitoring device 2 still can take electric CT normally to supply by another circuit
Electricity ensures that monitoring device 2 operates normally.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (7)
1. a kind of double CT for high-tension cable monitoring device take electric power supply unit, including high-tension cable (1) and monitoring device
(2), which is characterized in that further include two and take electric CT (3) and energy supply control module (4)；
Electric CT (3) is taken to be separately mounted to carry out taking electricity on adjacent twice high-tension cables (1) described in two；
The output end of electric CT (3) is taken to be connected with the input terminal of the energy supply control module (4) described in two；
The energy supply control module (4), which controls, takes electric CT (3) individually to take described in power supply or control two described in one of them
Electric CT (3) is powered simultaneously.
2. a kind of double CT for high-tension cable monitoring device according to claim 1 take electric power supply unit, feature exists
In energy supply control module (4) output end is connect with monitoring device (2).
3. a kind of double CT for high-tension cable monitoring device according to claim 1 take electric power supply unit, feature exists
In, the energy supply control module (4) include DC/DC converter (5) and power-supply filter (6), the power-supply filter (6) it is defeated
Outlet is connected with the input terminal of DC/DC converter (5).
4. a kind of double CT for high-tension cable monitoring device according to claim 3 take electric power supply unit, feature exists
In the DC/DC converter (5) is connected as the output end of energy supply control module (4) with monitoring device (2).
5. a kind of double CT for high-tension cable monitoring device according to claim 3 take electric power supply unit, feature exists
In the input terminal connection of the power-supply filter (6) is there are two rectifier (7), the input terminal of rectifier (7) described in two point
Electric CT (3) is not taken to be connected with two.
6. a kind of double CT for high-tension cable monitoring device according to claim 5 take electric power supply unit, feature exists
In described take is connected with lightning surge protector between electric CT (3) and rectifier (7).
7. a kind of double CT for high-tension cable monitoring device according to claim 5 take electric power supply unit, feature exists
In the rectifier (7) is connected with overload protective device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478291.3U CN209709742U (en) | 2019-04-10 | 2019-04-10 | Double-CT power taking and supplying device for high-voltage cable monitoring equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478291.3U CN209709742U (en) | 2019-04-10 | 2019-04-10 | Double-CT power taking and supplying device for high-voltage cable monitoring equipment |
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| CN209709742U true CN209709742U (en) | 2019-11-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861366A (en) * | 2019-04-10 | 2019-06-07 | 广东电网有限责任公司 | A kind of double CT for high-tension cable monitoring device take electric power supply unit |
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2019
- 2019-04-10 CN CN201920478291.3U patent/CN209709742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861366A (en) * | 2019-04-10 | 2019-06-07 | 广东电网有限责任公司 | A kind of double CT for high-tension cable monitoring device take electric power supply unit |
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