CN103616608B - Intelligent monitoring device andg method for electric contact state of gas-insulation switch contactor - Google Patents
Intelligent monitoring device andg method for electric contact state of gas-insulation switch contactor Download PDFInfo
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- CN103616608B CN103616608B CN201310666420.9A CN201310666420A CN103616608B CN 103616608 B CN103616608 B CN 103616608B CN 201310666420 A CN201310666420 A CN 201310666420A CN 103616608 B CN103616608 B CN 103616608B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000009413 insulation Methods 0.000 title abstract 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 12
- 238000004737 colorimetric analysis Methods 0.000 claims description 11
- 230000008447 perception Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Abstract
The invention provides an intelligent monitoring device and method for an electric contact state of a gas-insulation high-voltage switch contactor. The device comprises a temperature sensor and an intelligent electronic device; the temperature sensor is used for sensing a temperature value of the gas-insulation high-voltage switch contactor, and the intelligent electronic device is used for collecting the temperature value sensed by the temperature sensor, also synchronously collecting a load current sampling value flowing through the gas-insulation switch contactor and analyzing and evaluating the electric contact state of the gas-insulation high-voltage switch contactor. By adopting the device and the method, the problem that the electric contact state of the gas-insulation high-voltage switch device contactor cannot be effectively monitored can be solved. By utilizing the intelligent monitoring device, a power grid dispatching control system and a production management system can control the electric contact state of the gas-insulation high-voltage switch contactor in real time, and the initiative protection control of a power grid on the electric contact flaw or the electric contact failure of the gas-insulation high-voltage switch contactor can be realized, so that the running reliability of the power grid can be improved.
Description
Technical field
The present invention relates to a kind of apparatus and method and in particular to a kind of for gas-insulated switch contact electric contact state
Intelligent monitoring device and method.
Background technology
Contact poor electric contact is one of common deficiency of high-tension switch gear, and when serious, meeting scaling loss part, even results in
Accident.Therefore, contact electric contact state is concerning equipment and power grid security.Gas-insulated high-voltage switchgear assembly, due to contact closing
In metal air chamber, in operation, its electric contact state is difficult to obtain supervision, when contact accumulation ablation reaches to a certain degree, or goes out
During existing mechanicalness defect, poor electric contact will be produced, contact resistance increases, in the presence of load current, loose contact portion
Position may produce and exceed the temperature rise of limit value, and this can expand defect in turn again further, so repeatedly or long time integration will
Accidents caused.Intelligent grid proposes to the state aware of high-tension apparatus and is distinctly claimed, gas-insulated high-voltage switchgear assembly contact
The intellectual monitoring of electric contact state has become one of intelligentized big event of high-tension apparatus.
In prior art, need to apply on contact using the method for heat radiation type temperature sensor monitors contact state
Apply a kind of material, to ensure the accuracy of temperature sensing, but any coating to contact in produce reality, should not be accepted, its application
It is restricted.
Content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides one kind to connect for gas-insulated high-voltage switch contact electricity
The intelligent monitoring device of tactile state and method, solving gas-insulated high-voltage switchgear assembly contact electric contact state can not effectively supervise
The problem of control.By applying this intelligent monitoring device, dispatching of power netwoks control system, production management system can grasp gas in real time
The electric contact state of Insulating A High-Voltage switchgear contact, supports that electrical network realizes active control protection, lifts the reliable of electrical network
Property level.
In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that:
The present invention provides a kind of intelligent monitoring device for gas-insulated switch contact electric contact state, described device bag
Include temperature sensor and intelligent electronic device；Described temperature sensor perceives gas-insulated high-voltage switch contact temperature value, described
The temperature value of intelligent electronic device collection described temperature sensor perception, and synchronous acquisition gas coming through insulated switch contact is negative
Carry current sampling data, the electric contact state of gas-insulated high-voltage switch contact is analyzed and assesses.
Described temperature sensor is the heat radiation type temperature sensor based on colorimetric method.
Described intelligent electronic device gathers the gas-insulated switch contact temperature value of described temperature sensor perception, and passes through
The load current sampled value of substation communication network synchronous acquisition gas coming through Insulating A High-Voltage switch contact.
Gas-insulated switch contact temperature value that described intelligent electronic device is perceived based on described temperature sensor, flow through gas
The load current sampled value of body insulated switch contact and ambient temperature value, the electric contact state to gas-insulated high-voltage switch contact
It is analyzed and assesses, and form assessment result.
Described assessment result is reported and submitted to dispatching of power netwoks control system and production management system by substation communication network.
The present invention also provide a kind of using the above-mentioned intelligent monitoring device for gas-insulated switch contact electric contact state
Intelligent monitoring method to gas-insulated switch contact electric contact state, the method comprising the steps of:
Step 1: the shell of gas-insulated switch place air chamber will be arranged on based on the heat radiation type temperature sensor of colorimetric method
On body, the position of the corresponding gas-insulated switch contact in its temperature sensing area；
Step 2: the described heat radiation type temperature sensor perception gas-insulated switch contact temperature value based on colorimetric method, institute
State intelligent electronic device and gather described gas-insulated switch contact temperature value, and gas coming through is obtained by substation communication network
The load current sampled value of insulated switch contact and ambient temperature value, are carried out to the electric contact state of gas-insulated switch contact point
Analysis and assessment, and form assessment result；
Step 3: described assessment result is reported and submitted to dispatching of power netwoks by described intelligent electronic device by substation communication network
Control system and production management system, serve operation and the control of electrical network.
Compared with prior art, the beneficial effects of the present invention is:
1. contact coating any material is not needed based on the heat radiation type temperature sensor of colorimetric method, solve because connecing
The actual problem that cannot apply by contact coating material；
2. solve the problems, such as that gas-insulated high-voltage switch contact electric contact state is unable to effective monitoring；
3. the information interaction function based on substation communication network and intelligent electronic device, dispatching of power netwoks control system and life
Produce the electric contact state that management system can grasp contact in time, and then grasp the reliable of gas-insulated high-voltage switchgear assembly
Property and control reliability, support network optimization run control, lifting electrical network reliability level.
Brief description
Fig. 1 is the intelligent monitoring device structure chart for gas-insulated switch contact electric contact state.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
As Fig. 1, the present invention provides a kind of intelligent monitoring device for gas-insulated switch contact electric contact state, described
Device includes temperature sensor and intelligent electronic device；Described temperature sensor perceives gas-insulated high-voltage switch contact temperature
Value, described intelligent electronic device gathers the temperature value of described temperature sensor perception, and synchronous acquisition gas coming through insulated switch
The load current sampled value of contact, is analyzed to the electric contact state of gas-insulated high-voltage switch contact and assesses.
Described temperature sensor is the heat radiation type temperature sensor based on colorimetric method.
Described intelligent electronic device gathers the gas-insulated switch contact temperature value of described temperature sensor perception, and passes through
The load current sampled value of substation communication network synchronous acquisition gas coming through Insulating A High-Voltage switch contact.
Gas-insulated switch contact temperature value that described intelligent electronic device is perceived based on described temperature sensor, flow through gas
The load current sampled value of body insulated switch contact and ambient temperature value, the electric contact state to gas-insulated high-voltage switch contact
It is analyzed and assesses, and form assessment result.
Described assessment result is reported and submitted to dispatching of power netwoks control system and production management system by substation communication network.
The present invention also provide a kind of using the above-mentioned intelligent monitoring device for gas-insulated switch contact electric contact state
Intelligent monitoring method to gas-insulated switch contact electric contact state, the method comprising the steps of:
Step 1: the shell of gas-insulated switch place air chamber will be arranged on based on the heat radiation type temperature sensor of colorimetric method
On body, the position of the corresponding gas-insulated switch contact in its temperature sensing area；
Step 2: the described heat radiation type temperature sensor perception gas-insulated switch contact temperature value based on colorimetric method, institute
State intelligent electronic device and gather described gas-insulated switch contact temperature value, and gas coming through is obtained by substation communication network
The load current sampled value of insulated switch contact and ambient temperature value, are carried out to the electric contact state of gas-insulated switch contact point
Analysis and assessment, and form assessment result；
Step 3: described assessment result is reported and submitted to dispatching of power netwoks by described intelligent electronic device by substation communication network
Control system and production management system, serve operation and the control of electrical network.
Whether good generally the sign by contact resistance of gas-insulated switch contact electric contact state.Contact resistance connects greatly
Touch bad.In operation, load current is passed through in gas-insulated switch contact face, due to the presence of contact resistance, can consume electricity
Can, cause gas-insulated switch contact temperature rise.Therefore, the temperature rise of gas-insulated switch contact can reflect that gas-insulated switch touches indirectly
The electric contact state of head, can realize gas-insulated switch contact is made electrical contact with by measuring gas-insulated switch contact temperature value
The perception of state.Gas-insulated switch contact belongs to high-voltage part, and gas-insulated switch contact temperature value can not be contacted
Formula measures.The present invention in the position of the corresponding gas-insulated switch contact of gas chamber shell, install one or more based on colorimetric method
Heat radiation type temperature sensor, temperature sensing region against gas-insulated switch contact position, to gas-insulated switch contact
Electric contact state carries out continuous intellectual monitoring；Monitoring result is gathered by intelligent electronic device, processes；Intelligent electronic device is synchronously adopted
Collection flows through the information such as the gentle room temperature of load current of contact；Intelligent electronic device synthesis contact temperature, load current, air chamber temperature
Degree etc., makes assessment to the electric contact state of gas-insulated switch contact；Assessment result is reported and submitted to electricity by station communication network
Net Dispatching Control System and production management system, as a part for high-tension apparatus intelligent alarm, serve electrical network operation and
Control, the intelligent level of lifting electrical network.
Finally it should be noted that: above example is only not intended to limit in order to technical scheme to be described, to the greatest extent
Pipe has been described in detail to the present invention with reference to above-described embodiment, and those of ordinary skill in the art are it is understood that still
The specific embodiment of the present invention can be modified or equivalent, and any without departing from spirit and scope of the invention
Modification or equivalent, it all should be covered in the middle of scope of the presently claimed invention.
Claims (1)
1. a kind of using for gas-insulated switch contact electric contact state intelligent monitoring device to gas-insulated switch contact
The intelligent monitoring method of electric contact state it is characterised in that: the method comprising the steps of:
Step 1: will be arranged on the housing of gas-insulated switch place air chamber based on the heat radiation type temperature sensor of colorimetric method,
The position of the corresponding gas-insulated switch contact in its temperature sensing area；
Step 2: the described heat radiation type temperature sensor perception gas-insulated switch contact temperature value based on colorimetric method, intelligence electricity
Sub-device gathers described gas-insulated switch contact temperature value, and obtains gas coming through insulated switch by substation communication network
The load current sampled value of contact and ambient temperature value, are analyzed to the electric contact state of gas-insulated switch contact and comment
Estimate, and form assessment result；
Step 3: described assessment result is reported and submitted to dispatching of power netwoks control by described intelligent electronic device by substation communication network
System and production management system, serve operation and the control of electrical network；
Intelligent monitoring device for gas-insulated switch contact electric contact state includes temperature sensor and intelligent electronic device；
Described temperature sensor perceives gas-insulated switch contact temperature value, and described intelligent electronic device gathers described temperature sensor sense
The temperature value known, and the load current sampled value of synchronous acquisition gas coming through insulated switch contact, to gas-insulated switch contact
Electric contact state be analyzed and assess；
Described temperature sensor is the heat radiation type temperature sensor based on colorimetric method；
Described intelligent electronic device gathers the gas-insulated switch contact temperature value of described temperature sensor perception, and passes through power transformation
Stand the load current sampled value of communication network synchronous acquisition gas coming through insulated switch contact；
The gas-insulated switch contact temperature value perceiving, gas coming through are exhausted based on described temperature sensor for described intelligent electronic device
The load current sampled value of edge switch contact and ambient temperature value, are analyzed to the electric contact state of gas-insulated switch contact
And assessment, and form assessment result；
Described assessment result is reported and submitted to dispatching of power netwoks control system and production management system by substation communication network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310666420.9A CN103616608B (en) | 2013-12-10 | 2013-12-10 | Intelligent monitoring device andg method for electric contact state of gas-insulation switch contactor |
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| CN201310666420.9A CN103616608B (en) | 2013-12-10 | 2013-12-10 | Intelligent monitoring device andg method for electric contact state of gas-insulation switch contactor |
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| CN103616608A CN103616608A (en) | 2014-03-05 |
| CN103616608B true CN103616608B (en) | 2017-01-18 |
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| CN105277872B (en) * | 2014-07-25 | 2019-09-24 | 伊顿电力设备有限公司 | The electrical connection of switchgear main circuit abnormal detection method and device |
| CN105116320B (en) * | 2015-08-24 | 2018-08-03 | 国家电网公司 | A kind of gas insulated combined electrical equipment disconnecting switch contact condition experiment ＆ measurement system |
| CN108344921A (en) * | 2017-01-25 | 2018-07-31 | 珠海格力电器股份有限公司 | Detection method, system and the air conditioner of air-conditioning status of electrically connecting |
| CN109188267A (en) * | 2018-10-18 | 2019-01-11 | 国网山东省电力公司潍坊供电公司 | It is a kind of to monitor the device of GIS contact system electric contact failure, method and system |
| CN111880122A (en) * | 2020-06-30 | 2020-11-03 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Device and method for evaluating contact state of contact seat and conductive rod of GIL equipment |
| CN113591264B (en) * | 2021-04-27 | 2024-03-26 | 平高集团有限公司 | Temperature calculation method and device for high-voltage switch |
| CN113432854B (en) * | 2021-06-21 | 2023-04-11 | 云南电网有限责任公司保山供电局 | High-voltage switch cabinet tulip contact state monitoring method, system, equipment and medium |
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