CN209709742U - A kind of double CT for high-tension cable monitoring device take electric power supply unit - Google Patents

A kind of double CT for high-tension cable monitoring device take electric power supply unit Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
monitoring device
electric
power supply
tension cable
double
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.)
Active
Application number
CN201920478291.3U
Other languages
Chinese (zh)
Inventor
何文
罗鑫洪
杨挺
何浩辉
黎灼佳
洪浚轩
李欢
翟果
杨巧源
黄健华
王宇斌
夏云峰
张远健
余欣
张国锐
杨正豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201920478291.3U priority Critical patent/CN209709742U/en
Application granted granted Critical
Publication of CN209709742U publication Critical patent/CN209709742U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of double CT for high-tension cable monitoring device to take electric power supply unit, including high-tension cable and monitoring device, further include two and takes electric CT and energy supply control module, electric CT is taken to be separately mounted to carry out taking electricity on adjacent twice high-tension cables described in two, the output end of electric CT is taken to be connected with the input terminal of the energy supply control module described in two, the 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, can two take electric CT while powering, electric CT can also be singly taken to power, it can guarantee insufficient in single back line load current, under power failure or fault condition, monitoring device can still take electric CT normal power supply by another circuit, ensure that cable monitoring equipment operates normally.

Description

A kind of double CT for high-tension cable monitoring device take electric power supply unit
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).
CN201920478291.3U 2019-04-10 2019-04-10 A kind of double CT for high-tension cable monitoring device take electric power supply unit Active CN209709742U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920478291.3U CN209709742U (en) 2019-04-10 2019-04-10 A kind of double CT for high-tension cable monitoring device take electric power supply unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920478291.3U CN209709742U (en) 2019-04-10 2019-04-10 A kind of double CT for high-tension cable monitoring device take electric power supply unit

Publications (1)

Publication Number Publication Date
CN209709742U true CN209709742U (en) 2019-11-29

Family

ID=68647410

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920478291.3U Active CN209709742U (en) 2019-04-10 2019-04-10 A kind of double CT for high-tension cable monitoring device take electric power supply unit

Country Status (1)

Country Link
CN (1) CN209709742U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN102815229B (en) Intelligent power supply box for supplying electricity for vehicle-mounted precision equipment
CN102447298B (en) Mobile intelligent direct current power supply device
CN209709742U (en) A kind of double CT for high-tension cable monitoring device take electric power supply unit
CN103872792A (en) Current transformer online powering device
CN202693701U (en) Power unit body detection platform
CN204681157U (en) A kind of intelligent double-power control system
CN206977044U (en) One kind 600~800V d. c. remote electric power systems
CN109660018A (en) A kind of transmission line of electricity sensing electricity getting device based on Rogowski coil
CN212784884U (en) ETC portal system synthesizes switching controller
CN109861366A (en) A kind of double CT for high-tension cable monitoring device take electric power supply unit
CN210806740U (en) Three-way low-voltage power supply device and power supply system
CN210074873U (en) Portable direct-current power supply system with insulation monitoring function
CN105186700A (en) Safety monitoring system for building power consumption
CN203722327U (en) A bridging structure used for a high voltage direct current power supply apparatus
CN202488200U (en) Mobile intelligent DC power supply device
CN205104993U (en) Building electrical safety monitoring system
CN205829308U (en) A kind of bank monitoring centralized intelligence distribution box
CN204068406U (en) A kind of Waste Heat Power Station direct current system
CN203204103U (en) Electrical signal monitoring device
CN203589724U (en) Remote power supply system
CN203674795U (en) AC-DC integrated power supply
CN203522890U (en) Power unit for multi-channel video surveillance equipment
CN102882266A (en) Generating set control system with monitoring function
CN203895981U (en) Marine sensor power supply apparatus
CN211127145U (en) Rack type centralized power supply device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant