CN106877294A - Protective relaying device in transmission line of electricity - Google Patents
Protective relaying device in transmission line of electricity Download PDFInfo
- Publication number
- CN106877294A CN106877294A CN201710033004.3A CN201710033004A CN106877294A CN 106877294 A CN106877294 A CN 106877294A CN 201710033004 A CN201710033004 A CN 201710033004A CN 106877294 A CN106877294 A CN 106877294A
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- CN
- China
- Prior art keywords
- transmission line
- electricity
- function key
- key group
- protective relaying
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Hole is connect the invention discloses the protective relaying device in a kind of transmission line of electricity, including casing, LED display, function key group, maintenance interface and detection；Described casing front the right is provided with LED display；Indicator lamp is provided with above the LED display；The casing frontal left upper end is provided with multiple maintenance interfaces；The maintenance interface lower end is provided with the function key group；The function key group lower end is provided with relay switch and the detection connects hole；Casing front corner is screwed.The present invention is for meeting the protection demand to transmission line of electricity; the protective relaying device can both be arranged on for a long time in power transmission tower say that the data for detecting are sent to master station after being processed by GPS network network can also on-site maintenance and detection; using front card part; the ductility of each plate of device is facilitated, makes device that there is security higher, stability and reliability.
Description
Technical field
The invention belongs to relay protection field, and in particular to the protective relaying device in a kind of transmission line of electricity.
Background technology
Transmission of electricity is after the electric energy sent generator with transformer boosts, then accesses power transmission line through control devices such as breakers
Road is realized.By structure type, transmission line of electricity is divided into overhead transmission line and cable run.Overhead transmission line route route lever
Tower, wire, insulator, line hardware, bracing wire, pole and tower foundation, earthing or grounding means etc. are constituted, and are erected on ground.According to conveying
The property of electric current, transmission of electricity is divided into ac transmission and direct current transportation is defeated.Electricity basic process be create conditions make electromagnetic energy along
The direction transmission of transmission line of electricity.Multi-line power transmission ability is subject to arranging for the various rules of electromagnetic field and circuit.Made with ground potential
It is reference point, line conductor is both needed under the high voltage in being applied by power supply, referred to as transmission voltage.Because power transmission line is exposed to
Under natural conditions, climate destruction, artificial destruction and homeostasis reliability effect are larger, there is many safety problems.Tradition
On, due to reasons such as fibre optic transmission equipment prices, optical fiber comprehensive error protection device of high-tension transmission line is typically all transmitted electricity for 220KV
On route protection, line length is long, and optical signal transmission is required for relaying, is cost-effective, generally uses and is set with optic communication
Standby multiple connection, because the traffic rate of multiple connection equipment is slower, generally 64K or 2M, data transmission rate is low, causes circuit both sides to be protected
Device A/D samplings must be synchronous, otherwise once asynchronous, and the lighter produces abnormal poor stream, device alarm, severe one error action of device.Institute
So that in sum, I devises the protective relaying device in a kind of transmission line of electricity.
The content of the invention
In order to solve above-mentioned problem, the present invention provides the protective relaying device in a kind of transmission line of electricity.
The present invention is to be achieved through the following technical solutions：
A kind of protective relaying device in transmission line of electricity, including casing, LED display, function key group, maintenance interface and inspection
Survey connects hole；It is characterized in that：Described casing front the right is provided with LED display；Instruction is provided with above the LED display
Lamp；The casing frontal left upper end is provided with multiple maintenance interfaces；The maintenance interface lower end is provided with the function key group；
The function key group lower end is provided with relay switch and the detection connects hole；Casing front corner is screwed.
As further prioritization scheme of the invention, the function key group be respectively directionkeys, determination key, cancel key, just,
Negative one body key, involution, reset one key；The detection connects hole and is divided into and thick connect hole and carefully connect hole；The relay switch is in the inspection
Survey connects the left end in hole.
Used as further prioritization scheme of the invention, the casing reverse side upper end is provided with input circuit；The input electricity
Road be provided with A/D Sampling Interfaces, open substantially into, output interface and safeguard mouth；The input circuit lower end is provided with multiple CPU and outputs
Plate；The CPU outputs plate lower end and is provided with power supply and opens into plate.
It is aobvious using MMI operations in the LED display and the function key group as further prioritization scheme of the invention
Show plate；The basic input signal of the input circuit has analog input signal；The analog input signal includes：Three-phase electricity
Pressure, three-phase protective electric current, three-phase measurement electric current, synchronous voltage, zero-sequence current.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is for meeting the protection need to transmission line of electricity
Ask, after the protective relaying device both can say that the data for detecting are processed in power transmission tower by GPS network network for a long time
Be sent to master station can also on-site maintenance and detection, using front card part, facilitate the ductility of each plate of device, make dress
Put with security higher, stability and reliability；And remotely the device can be controlled, greatly protected defeated
The safety and stabilization of electric line.
Brief description of the drawings
Fig. 1 is structural front view of the invention；
Fig. 2 is structure rearview of the invention；
Fig. 3 is installation site distribution map of the invention.
In figure：1st, casing；2nd, LED display；3rd, function key group；4th, maintenance interface；5th, relay switch；6th, hole is slightly connect；
7th, hole is carefully connect；8th, directionkeys；9th, positive and negative one key；10th, determination key；11st, reset, playback one key；12nd, indicator lamp；13rd, spiral shell
Silk；14th, input circuit；15th, CPU outputs plate；16th, power supply is opened into plate.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2, Figure 3 shows, the protective relaying device in a kind of transmission line of electricity, including casing (1), LED display
(2), function key group (3), maintenance interface (4) and detection connects hole；Described casing (1) front the right is provided with LED display (2)；
The LED display (2) is provided with indicator lamp (12) above；Casing (1) the frontal left upper end is provided with multiple maintenance and connects
Mouth (4)；Maintenance interface (4) lower end is provided with the function key group (3)；Function key group (3) lower end is provided with relay
Switch (5) and the detection connect hole；Casing (1) the front corner is fixed by screw (13)；The function key group (3) point
Wei not directionkeys (8), determination key (10), cancel key, positive and negative one key (9), involution, reset one key (11)；The detection connects
Hole is divided into and slightly connects hole (6) and carefully connect hole (7)；The relay switch (5) is in the left end for detecting and connecing hole；The casing (1) is anti-
Face upper end is provided with input circuit (14)；The input circuit (14) be provided with A/D Sampling Interfaces, open substantially into, output interface and
Safeguard mouth；Input circuit (14) lower end is provided with multiple CPU and outputs plate (15)；The CPU outputs the setting of plate (15) lower end
There is power supply to open into plate (16)；Display board is operated using MMI in the LED display (2) and the function key group (3)；It is described defeated
The basic input signal for entering circuit (14) has analog input signal；The analog input signal includes：Three-phase voltage, three-phase
Protective current, three-phase measurement electric current, synchronous voltage, zero-sequence current.
The present invention both can for a long time be arranged on transmission of electricity for meeting the protection demand to transmission line of electricity, the protective relaying device
In tower by GPS network network say the data for detecting be sent to after being processed master station can also on-site maintenance and detection, use
It is preceding to insert the ductility that each plate of device is facilitated between half, make device that there is security higher, stability and reliability；And
Remotely the device can be controlled, greatly protect the safety and stabilization of transmission line of electricity.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, simply original of the invention is illustrated described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
All fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and its equivalent circle.
It is fixed.
Claims (4)
1. a kind of protective relaying device in transmission line of electricity, including casing, LED display, function key group, maintenance interface and detection
Connect hole；It is characterized in that：Described casing front the right is provided with LED display；Instruction is provided with above the LED display
Lamp；The casing frontal left upper end is provided with multiple maintenance interfaces；The maintenance interface lower end is provided with the function key group；
The function key group lower end is provided with relay switch and the detection connects hole；Casing front corner is screwed.
2. the protective relaying device in a kind of transmission line of electricity according to claim 1, it is characterised in that：The function key group
Respectively directionkeys, determination key, cancel key, positive and negative one key, involution, reset one key；The detection connects hole and is divided into and slightly connects hole
With carefully connect hole；The relay switch is in the left end for detecting and connecing hole.
3. the protective relaying device in a kind of transmission line of electricity according to claim 1, it is characterised in that：The casing reverse side
Upper end is provided with input circuit；The input circuit be provided with A/D Sampling Interfaces, open substantially into, output interface and safeguard mouth；It is described
Input circuit lower end is provided with multiple CPU and outputs plate；The CPU outputs plate lower end and is provided with power supply and opens into plate.
4. the protective relaying device in a kind of transmission line of electricity according to claim 1, it is characterised in that：The LED shows
Display board is operated using MMI in screen and the function key group；The basic input signal of the input circuit has analog input to believe
Number；The analog input signal includes：Three-phase voltage, three-phase protective electric current, three-phase measurement electric current, synchronous voltage, zero sequence electricity
Stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033004.3A CN106877294A (en) | 2017-01-10 | 2017-01-10 | Protective relaying device in transmission line of electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033004.3A CN106877294A (en) | 2017-01-10 | 2017-01-10 | Protective relaying device in transmission line of electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106877294A true CN106877294A (en) | 2017-06-20 |
Family
ID=59158294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033004.3A Pending CN106877294A (en) | 2017-01-10 | 2017-01-10 | Protective relaying device in transmission line of electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106877294A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201966572U (en) * | 2011-03-10 | 2011-09-07 | 广州东芝白云电器设备有限公司 | Relay protection device |
| CN202794893U (en) * | 2012-07-02 | 2013-03-13 | 上海南自科技股份有限公司 | Digital comprehensive measurement and control device |
| CN204349443U (en) * | 2015-01-23 | 2015-05-20 | 广州东芝白云电器设备有限公司 | A kind of distance protection equipment of transmission line |
| CN204479711U (en) * | 2014-12-30 | 2015-07-15 | 国家电网公司 | A kind of integrated apparatus detecting substation relay protection device relay performance |
| CN205407224U (en) * | 2016-03-07 | 2016-07-27 | 国网山东省电力公司巨野县供电公司 | Differential protective system of transformer substation |
-
2017
- 2017-01-10 CN CN201710033004.3A patent/CN106877294A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201966572U (en) * | 2011-03-10 | 2011-09-07 | 广州东芝白云电器设备有限公司 | Relay protection device |
| CN202794893U (en) * | 2012-07-02 | 2013-03-13 | 上海南自科技股份有限公司 | Digital comprehensive measurement and control device |
| CN204479711U (en) * | 2014-12-30 | 2015-07-15 | 国家电网公司 | A kind of integrated apparatus detecting substation relay protection device relay performance |
| CN204349443U (en) * | 2015-01-23 | 2015-05-20 | 广州东芝白云电器设备有限公司 | A kind of distance protection equipment of transmission line |
| CN205407224U (en) * | 2016-03-07 | 2016-07-27 | 国网山东省电力公司巨野县供电公司 | Differential protective system of transformer substation |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
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| RJ01 | Rejection of invention patent application after publication |