CN105021908A - Intelligent high voltage test system - Google Patents

Intelligent high voltage test system Download PDF

Info

Publication number
CN105021908A
CN105021908A CN201410167722.6A CN201410167722A CN105021908A CN 105021908 A CN105021908 A CN 105021908A CN 201410167722 A CN201410167722 A CN 201410167722A CN 105021908 A CN105021908 A CN 105021908A
Authority
CN
China
Prior art keywords
test
data
module
testing
intelligent high
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.)
Pending
Application number
CN201410167722.6A
Other languages
Chinese (zh)
Inventor
杨太
杨松
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.)
Heilongjiang Patent Technology Development Co
Original Assignee
Heilongjiang Patent Technology Development Co
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 Heilongjiang Patent Technology Development Co filed Critical Heilongjiang Patent Technology Development Co
Priority to CN201410167722.6A priority Critical patent/CN105021908A/en
Publication of CN105021908A publication Critical patent/CN105021908A/en
Pending legal-status Critical Current

Links

Abstract

The invention provides an intelligent high voltage test system which is composed of a data storage transmission module, a live test module and a routine test module. An automobile acts as a carrier of the test system. Test instruments are arranged in the automobile in a building block structure and are connected with the tested equipment via a dedicated wiring transfer system, and test work is controlled and completed by a computer. Control and data processing of the test process are completed through cooperation of management software of a data storage transmission system. Data bidirectional exchange is realized between the data storage transmission module and a PMIS management system via interface software in a wired or wireless mode, and exporting can be realized via other media. Accurate assessment can be conveniently and rapidly performed on power supply equipment according to the requirements of different use occasions, such as natural disasters, accident first-aid repair and routine tests so that the intelligent high voltage test system can be widely used as a test device for testing and assessment of a transformer, a mutual inductor, a lightning arrester, a switch, a cable and a coupling capacitor under a state maintenance mode.

Description

Intelligent high-pressure test macro
Technical field
The present invention relates to the device of a kind of power equipment power failure test, live detection, state of insulation analysis and evaluation; Be specially adapted to a kind of high-voltage testing system that the equipment such as transformer, mutual inductor, lightning arrester, switch, cable, coupling condenser are tested, assessed under Maintenance Mode.
Background technology
Disaster takes place frequently in recent years, grid equipment accident happens occasionally, for arriving accident maintenance scene fast, improve accident rescue ability, shorten the accident maintenance time, the brand-new overhaul management mode-Maintenance Mode of one that State Grid Corporation of China proposes, live testing work as Condition-Based Maintenance Technology basis means is carried out along with deepening continuously of present stage repair based on condition of component work, more and more higher to live testing technology requirement, be badly in need of promptly and accurately carrying out effective state estimation in real time to high voltage device of transformer station insulation status.High-voltage test on-site in the past, testing crew all repeatedly will load and unload, carry testing equipment, disconnect test connection repeatedly, sometimes test connection is changed, the tested device need climbing to 4-10 meters high over the ground gets on and just can complete, make the labour intensity of testing crew very big like this, and along with upper and lower increased frequency, add personal unsafe factor.Solve the problem and become urgent need.
Summary of the invention
Overcome prior art deficiency, design a kind of can shorten equipment power failure test period, short form test wiring, reduce connection times, work efficiency high can carry out having a power failure the movable-type intelligent high-voltage combination test macro of test, live detection, state of insulation analysis and evaluation.Intelligent high-pressure test macro stores transport module primarily of data, live testing module and conventional test module composition; Whole device stores transport module for core with data, can realize multiple electrical equipment live testing project, the application of digitizing simultaneously, high integration test instrument, decreases the space shared by test apparatus, simplify test connection, decrease and change test connection number of times.
Described data store transport module, by the wired or wireless mode of interface software, realize data double-way with Guo Wang company PMIS management system to exchange, ensure data message fast transport, correctly upload test report, editor's task work order, work ticket, operation text etc. by PMIS form.The accurate data that are transferred to of data of all collection control test apparatuses test store transport module, also derive by other medium.Guo Wang company PMIS upgrading, data store transport module also along with corresponding upgrading.
Described data store transport module, possesses substation management function, data can be imported by catalogue, sub-directory to test data and device parameter and store transport module, by the data upper and lower limit of code or setting, intellectual analysis is carried out to device history test figure, draw Correct Analysis conclusion, automatic history of forming form and intuitively curve map.Possess test report management function, by test character, tested device, test period, inquire corresponding catalogue and sub-directory by classification.There is testing crew, responsible official, test apparatus option, and testing crew list can be increased and decreased at any time.Possess template establishment and the delete function of test report, upgrade and the change of pilot project according to substation equipment, can the template of test report be created and be deleted at any time, when realizing this function, set certain authority, avoiding operating personnel's maloperation.
Described live testing module, is gathered a few part formed by mutual inductor live testing, power cable live detection, the monitoring of sub-connecting switch of transformer handoff procedure, lightning arrester operational factor.Wherein lightning arrester operational factor Acquisition Instrument is collection control instrument, and voltage signal adopts Radio Transmission Technology, can synchronism output voltage signal, very easily can complete transformer each side Zinc-Oxide Arrester total current, current in resistance property live testing task.Overcome in the past due to transformer each side Zinc-Oxide Arrester, comparatively far away apart from this electric pressure PT bis-times, complete a difficult problem for total current, current in resistance property live testing difficulty.
The power cable insulation live detection of described live testing module, based on DC component law theory, cross-linked cable insulating live monitoring system is under running conditions, small and weak current signal is obtained from cable, have employed polystage amplifier technology and filtering technique, utilize the new method of digital signal processing, process gathering the signal come, draw the parameter that will measure, after generalized analysis, judge the insulation status of cable, the live detection task of cross-linked cable insulating can be completed preferably.
The mutual inductor live testing of described live testing module, according to the structure of capacitor type mutual inductor, under the state not changing former wiring, theoretical based on sample resistance, measuring position is selected on the end shield ground connection of earth terminal, and trial voltage is equipment working voltage, by instrument internal analytical calculation, measure current value and the electric capacity of mutual inductor major insulation, online evaluation is carried out to its running status, for mutual inductor repair based on condition of component, breakdown judge provide scientific basis.
The load ratio bridging switch handoff procedure measuring device with electricity of described live testing module, break through the basis of off-line test, adopt and differentiate vibration signal means, the orientation that selecting properly sensor is installed, piezoelectric vibration pickup is installed, respectively at contact abrasion, scaling loss, loosen, come off and in the normal situation of contact, carry out the collection of vibration signal, through a large amount of analysis and research, in the frequency range that certain is fixing, fault signature is more obvious, in the valuable vibration signal fault characteristic value process of searching, according to calculating, by the energy balane in particular frequency range out, provide the threshold range under normal and different faults, the running status of sub-connecting switch of transformer and corresponding fault type can be determined, and there is good repeatability and uniqueness, differentiate the running status of sub-connecting switch of transformer accordingly.
Digitizing in described conventional test module, intensive instrument application, transformer parameter proving installation, an instrument has Transformer Winding direct current resistance, low-voltage short-circuit impedance, load ratio bridging switch attribute testing three kinds of functions.Transformer parameter proving installation, being integrated by three equipment is not the simple relation be added, but often plants on the basis of reliable in function at guarantee equipment, rationally public for device that can be public, saves raw-material use.The all tests only needing connecting test line can complete three kinds of equipment to complete, decrease the number of times of the upper and lower transformer of testing crew, add the factor of personal safety, increase work efficiency, and shorten equipment power off time.Test macro take automobile as carrier, and test apparatus is loaded in car with modular construction, is connected, has controlled experiment work by computing machine by Special wiring adapting system and tested device; By communication interface, the computing machine in laboratory device unit and car is connected, coordinates data to store the management software of transmission system, complete the control to process of the test and data processing.Collection control test apparatus also can be used as independent instrument, operates use separately by the guidance panel of instrument itself.Collection control test apparatus has medium to damage instrument, transformer parameter proving installation, no-load voltage ratio tester, loop resistance instrument, full-automatic zinc paste testing instrument for electrified etc.
As independent instrument, realize respective function respectively, very convenient convenient.Non-collection control instrument has cable insulation monitoring device, mutual inductor live testing system, transformer loaded tap-off live testing device, oily voltage resistant instrument, high voltage direct current generator, megohmmeter, ac voltage withstanding device etc.
The invention has the beneficial effects as follows:
1, the present invention changes traditional maintenance theory, the data of research and development store transport module, can evaluate equipment state timely and effectively, greatly reduce equipment power off time and the cost of overhaul, simultaneously also for site test personnel alleviate the burden of carrying and handling instrument, improve work efficiency.
2, the present invention adopts live detection technology to be very accurate and believable to the state of insulation of power cable, the safe operation of mutual inductor, the supervision of sub-connecting switch of transformer handoff procedure, the collection of lightning arrester operational factor, it, for formulating the Strategies of Maintenance of equipment and plan, plays the effect of technical support.
3, the present invention adopts digitizing, high integration test instrument, and for minimizing transport space and cost, connection times is changed in short form test wiring, minimizing, and increase worker safety's property, social benefit is very remarkable.
Embodiment
The present invention stores transport module, live testing module, conventionally test module by data, and common formation movable-type intelligent high-voltage combination test macro, each functional module is separate, and close fit realizes handoff functionality by instruction.
When data store transfer function test, be connected by Special wiring adapting system and tested device, controlled experiment work by truck-mounted computer.By communication interface, the computing machine in laboratory device unit and car is connected, coordinates data to store the management software of transmission system, complete the control to process of the test and data processing.
By the wired or wireless mode of interface software, realize data double-way with Guo Wang company PMIS management system and exchange.In data storage transport module, test figure is once preserving into reporting format, and before uploading PMIS, test figure need arrange by the testing crew through having permission, and can upload, guarantee the correctness of uploading data after responsible official's examination & verification, approval.Test report, editor's task work order, work ticket, operation text etc. are correctly uploaded by PMIS form.Guo Wang company PMIS management system can be logged in by interface software, transfer test figure in system, device parameter, realize data down transmission function.
Transport module is stored by data, realize substation management function, data can be imported by catalogue, sub-directory to test data and device parameter and store transport module, by the data upper and lower limit of code or setting, intellectual analysis is carried out to device history test figure, draw Correct Analysis conclusion, automatic history of forming form and intuitively curve map.Realize test report management function, by test character, tested device, test period, inquire corresponding catalogue and sub-directory by classification.Realize testing crew, responsible official, test apparatus option, and testing crew list can be increased and decreased at any time.Realize template establishment and the delete function of test report, upgrade and the change of pilot project according to substation equipment, can the template of test report be created and be deleted at any time, when this function of execution, set certain authority, avoid operating personnel's maloperation.The data of all collection control test apparatuses test, all the accurate test report form by setting in advance of energy, is transferred to data and stores transport module.The data be kept in data storage transport module used, all can be derived by medium.
Live testing module, is gathered a few part formed by mutual inductor live testing, power cable live detection, the monitoring of sub-connecting switch of transformer handoff procedure, lightning arrester operational factor.
Power cable insulation live detection, based on DC component law theory, cross-linked cable insulating live monitoring system is under running conditions, obtain small and weak current signal from cable, have employed polystage amplifier technology and filtering technique, utilize the new method of digital signal processing, process gathering the signal come, draw the parameter that will measure, after generalized analysis, judge the insulation status of cable, the live detection task of cross-linked cable insulating can be completed preferably.
Mutual inductor live testing, according to the structure of capacitor type mutual inductor, under the state not changing former wiring, theoretical based on sample resistance, measuring position is selected on the end shield ground connection of earth terminal, and trial voltage is equipment working voltage, by instrument internal analytical calculation, measure current value and the electric capacity of mutual inductor major insulation, online evaluation is carried out to its running status, for mutual inductor repair based on condition of component, breakdown judge provide scientific basis.
Load ratio bridging switch handoff procedure measuring device with electricity, break through the basis of off-line test, adopt and differentiate vibration signal means, the orientation that selecting properly sensor is installed, piezoelectric vibration pickup is installed, respectively at contact abrasion, scaling loss, loosen, come off and in the normal situation of contact, carry out the collection of vibration signal, through a large amount of analysis and research, in the frequency range that certain is fixing, fault signature is more obvious, in the valuable vibration signal fault characteristic value process of searching, according to calculating, by the energy balane in particular frequency range out, provide the threshold range under normal and different faults, the running status of sub-connecting switch of transformer and corresponding fault type can be determined, and there is good repeatability and uniqueness, differentiate the running status of sub-connecting switch of transformer accordingly.
Lightning arrester operational factor Acquisition Instrument is collection control instrument, and voltage signal adopts Radio Transmission Technology, can synchronism output voltage signal, very easily can complete transformer each side Zinc-Oxide Arrester total current, current in resistance property live testing task.Overcome in the past due to transformer each side Zinc-Oxide Arrester, comparatively far away apart from this electric pressure PT bis-times, complete a difficult problem for total current, current in resistance property live testing difficulty.
Conventional test module, digitizing, intensive instrument transformer parameter test device, instrument has Transformer Winding direct current resistance, low-voltage short-circuit impedance, load ratio bridging switch attribute testing three branch roads thus have three kinds of functions.It is not the simple relation be added that three equipment integrate by transformer parameter proving installation, but often plants on the basis of reliable in function at guarantee equipment, public for device that can be public, saves raw-material use.The all tests only needing connecting test line can complete three kinds of equipment to complete, decrease the number of times of the upper and lower transformer of testing crew, add the factor of personal safety, increase work efficiency, and shorten equipment power off time.

Claims (3)

1. an intelligent high-pressure test macro, it is characterized in that: movable-type intelligent high-voltage testing system stores transport module by data, live testing module and conventional test module composition, test macro take automobile as carrier, test apparatus is loaded in car with modular construction, is connected, has controlled experiment work by computing machine by Special wiring adapting system and tested device, coordinate data to store the management software of transmission system, complete the control to process of the test and data processing; Described data store transport module, by the wired or wireless mode of interface software, realize data double-way with PMIS management system to exchange, ensure data message fast transport, test report, editor's task work order, work ticket, operation text is correctly uploaded by PMIS form, the accurate data that are transferred to of data of all collection control test apparatuses test store transport module, also derive by other medium.
2. intelligent high-pressure test macro according to claim 1, is characterized in that: described live testing module is made up of mutual inductor live testing, power cable live detection, the monitoring of sub-connecting switch of transformer handoff procedure, lightning arrester operational factor collecting part.
3. intelligent high-pressure test macro according to claim 1, it is characterized in that: digitizing in described conventional test module, intensive instrument transformer parameter test device that there are Transformer Winding direct current resistance, low-voltage short-circuit impedance, load ratio bridging switch attribute testing three branch roads.
CN201410167722.6A 2014-04-24 2014-04-24 Intelligent high voltage test system Pending CN105021908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410167722.6A CN105021908A (en) 2014-04-24 2014-04-24 Intelligent high voltage test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410167722.6A CN105021908A (en) 2014-04-24 2014-04-24 Intelligent high voltage test system

Publications (1)

Publication Number Publication Date
CN105021908A true CN105021908A (en) 2015-11-04

Family

ID=54412022

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410167722.6A Pending CN105021908A (en) 2014-04-24 2014-04-24 Intelligent high voltage test system

Country Status (1)

Country Link
CN (1) CN105021908A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105548859A (en) * 2015-12-09 2016-05-04 上海精密计量测试研究所 Testing equipment and method for environment testing
CN109975624A (en) * 2017-12-27 2019-07-05 无锡华润华晶微电子有限公司 Test macro and test method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105548859A (en) * 2015-12-09 2016-05-04 上海精密计量测试研究所 Testing equipment and method for environment testing
CN109975624A (en) * 2017-12-27 2019-07-05 无锡华润华晶微电子有限公司 Test macro and test method

Similar Documents

Publication Publication Date Title
CN103926514B (en) High voltage equipment insulation diagnostic method under a kind of charging operation state
CN102607643B (en) Overheat fault diagnosis and early warning method for electrical equipment of traction substation of electrified railway
CN100501440C (en) Insulated on-line monitoring system checker of high-voltage electric equipment
CN102636710A (en) Online monitoring system of high-voltage equipment
CN202393861U (en) Test device for monitoring deformation of transformer winding
CN202994931U (en) Lightning arrester state monitoring device based on wireless sensing technology
CN108333457A (en) Lightning arrestor on-line monitoring methods based on Internet of Things Network Communication and device
CN109470914A (en) A kind of VFTO signal measurement apparatus
CN103389437A (en) Device and method for monitoring shielding current of secondary control cable of transformer substation in real time
CN104330615B (en) The how identical survey devices and methods therefor of arrester and transformer based on fft algorithm
CN104914392A (en) Distribution network fault indicator intelligent tester
CN105021908A (en) Intelligent high voltage test system
CN102998542B (en) A kind of movable-type intelligent high-voltage testing system
CN204575733U (en) A kind of high-tension cable sheath grounding current on-line monitoring system
CN203164360U (en) Transformer device insulation online monitoring system
CN102879657B (en) Method for checking phase sequences of lines
CN204945352U (en) A kind of distribution network failure indicator intelligent tester
CN104459285A (en) Electricity checking system and method based on unmanned aerial vehicle
CN205176158U (en) Electric capacity type current transformer on -line measuring device
CN104034977A (en) Capacitive voltage transformer electrified detector
CN110988600B (en) Power distribution network line break fault section positioning method
CN203352283U (en) Remotely controllable and maintainable 10 kV on-column transformer
CN103267912A (en) Risk assessment system and risk assessment method for direct-current transmission wall bushing
CN203350429U (en) On-line real-time error monitoring system for alternating current sampling measurement apparatus
CN105203886A (en) Capacitive type current transformer online detection device and method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20151104

WD01 Invention patent application deemed withdrawn after publication