CN105207088A - Method for assistantly adjusting position of moving contact of isolation switch of in-service GIS equipment by utilizing digital X-radiography - Google Patents
Method for assistantly adjusting position of moving contact of isolation switch of in-service GIS equipment by utilizing digital X-radiography Download PDFInfo
- Publication number
- CN105207088A CN105207088A CN201510556921.0A CN201510556921A CN105207088A CN 105207088 A CN105207088 A CN 105207088A CN 201510556921 A CN201510556921 A CN 201510556921A CN 105207088 A CN105207088 A CN 105207088A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- isolating switch
- place
- contact position
- adjustment
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The invention discloses a method for assistantly adjusting the position of a moving contact of an isolation switch of in-service GIS equipment by utilizing digital X-radiography. The method comprises the following steps: 1) shooting an initial state of the position of the moving contact of the isolation switch by utilizing a digital X-ray camera; 2) observing whether the position of the moving contact of the isolation switch is in place, and if the position of the moving contact of the isolation switch is not in place, detaching isolation switch A, B, C three-phase interphase connecting rods, adjusting the output rotation angle of a gear transmission mechanism, adjusting the progress of an electric operating mechanism, and adjusting the A, B, C-phase isolation switches to switching-in in-place places respectively; and 3) shooting the position of the moving contact of the isolation switch after adjustment by utilizing the digital X-ray camera, and if the position of the moving contact of the isolation switch after the adjustment is still not in place, repeating the step 2) until the position of the moving contact of the isolation switch is in place. Compared with a conventional adjusting method, the method has the advantages of being short in adjusting time, high in efficiency and accuracy, visual and convenient to operate, and capable of not discharging the SF6 gases and the like.
Description
Technical field
The present invention relates to a kind of X of utilization digital radiography and assist the method adjusting in-service GIS device isolating switch moving contact position, belong to GIS device and detect adjustment technology field.
Background technology
The abbreviation of the combined electrical apparatus that electric power GIS equipment is made up of circuit breaker, isolating switch, earthed switch, instrument transformer, lightning arrester, bus, connector and outlet terminal etc., these equipment or parts are all enclosed in the shell of metallic ground, are filled with the SF of certain pressure therein
6edge gas, therefore also claim SF
6fully closed combined electric unit.Compared with conventional substation (AIS), GIS has compact conformation, easy for installation, and the advantage such as the impact of the not contaminated and Natural environment factors such as rain, salt fog.
In electric power GIS device components, isolating switch mainly drops into and excision for circuit no current, and its moving contact is arranged in grading shield, realizes switching by motor, transmission device, mainly plays the effect ensureing electric fields uniform.In the course of work, if moving contact position is not in place, electric field can be caused uneven, and electric arc does not go out, so electric discharge, scaling loss equipment, affect GIS device safe and stable operation, and jeopardize the problems such as power grid security.Analyze through correlative study and find, moving contact return reason not in place has: system tolerance, and producer's adjusting process is improper, and adjustment peopleware is bad, and location hole is forbidden, and the factors such as not in place are checked and accepted in installation.For the adjustment of moving contact, install rear equipment due to producer and substantially do not dismantle, this brings difficulty to the accurate adjustment of moving contact position.The method of adjustment of conventional needle to moving contact has certain limitation, is mainly reflected in following several respects: the in-built SF of GIS device
6gas, can not get rid of viewing glass, can bring comparatively big error to adjustment; Because closed container does not arrange inspection hole, what therefore adopt is blind tune, and operating efficiency is low; Cannot visually observe during adjustment, cannot determine to adjust position; SF
6for pernicious gas, if Exhaust Gas adjusts again, can gas overflowing be caused, and then cause environmental pollution.
Summary of the invention
The technical problem to be solved in the present invention: provide a kind of X of utilization digital radiography to assist the method adjusting in-service GIS device isolating switch moving contact position, have regulation time short, efficiency, accuracy rate are high, visual convenient operation, and do not get rid of SF
6the advantages such as gas, to overcome the deficiencies in the prior art.
Technical scheme of the present invention: a kind of X of utilization digital radiography assists the method adjusting in-service GIS device isolating switch moving contact position, and it comprises the following steps:
1) X digital radiography machine, is utilized to take the initial condition of isolating switch moving contact position;
2), observe isolating switch moving contact position whether to put in place, if isolating switch moving contact position is not in place, then disassemble isolating switch A, B, C three-phase interphase connecting rod, adjustment gear drive output corner, the process of adjustment motor-operating mechanism, then adjusts the isolated switch of A, B, C respectively to the position that puts in place of closing a floodgate;
3), again utilize X digital radiography machine to take the position of the rear isolating switch moving contact of adjustment, if the isolating switch moving contact position after adjustment is still not in place, then repeat step 2), until isolating switch moving contact position puts in place;
4), after isolating switch moving contact position puts in place, isolating switch interphase connecting rod is installed.
Aforementioned adjustment gear drive output corner process is as follows: gear drive is rotated 66 degree ~ 68 degree from open position to closing position direction.
The isolated switch of described A, B, C puts position in place for just having contacted fixed contact state from moving contact to combined floodgate direction continuation torsion connecting lever, until isolating switch moving contact inserts the position to surveying radome degree of depth 40mm.
It is extracted by the conductor wire of isolating switch fracture both sides that described moving contact has just contacted fixed contact state, be connected on universal instrument two test pencil respectively, universal instrument start is adjusted to buzzing shelves, manually isolating switch is pulled to separating brake position on earth by three-jaw frock, then closing by hand, the state when closing a floodgate logical to universal instrument ring.
Compared with traditional method of adjustment, the present invention assists by utilizing X digital radiography the method adjusting in-service GIS device isolating switch moving contact position, does not need to get rid of SF when adjusting
6gas, so just can avoid harmful SF
6gas pollution on the environment problem; Simultaneously visual owing to adjusting, need the mechanism's corner adjusted clearly to be quantized before adjustment, the time so not only adjusted is shortened, and regulated efficiency is improved, and adjustment accuracy rate also can be improved greatly.
Embodiment
Embodiment:
The present invention utilizes X digital radiography to assist the method adjusting in-service GIS device isolating switch moving contact position to comprise the following steps:
1) X digital radiography machine, is utilized to take the initial condition of isolating switch moving contact position;
2), observe isolating switch moving contact position whether to put in place, if isolating switch moving contact position is not in place, first isolating switch interphase connecting rod is disassembled: (1) disassembles straight line isolation A, B, C three-phase interphase connecting rod, method is for take off split pin with nipper pliers, connecting bar locking nut is unclamped with outer hexagonal spanner, remove joint pivot pin, pull down connecting rod; (2) disassemble isolating switch mechanism connecting lever and connecting rod (short connecting rod), method, for take off split pin with nipper pliers, unclamps connecting bar locking nut with outer hexagonal spanner, removes joint pivot pin, pulls down connecting rod.
Secondly adjustment gear drive output corner, first sampling mechanism output corner before adjustment, mechanism is electronic to open position, with magnet, pointer is fixed on mechanism's connecting lever, indicating graduation F now on reading mechanism case dial, then by electronic for mechanism to closing position, the indicating graduation H on reading mechanism case dial, the numerical value at quarter of twice is added the output corner value that can obtain mechanism's actual measurement, from open position to closing position, generally rotates 66 degree ~ 68 degree.
Then the process of motor-operating mechanism is adjusted, by the separating brake cam pin of inner for motor-operating mechanism sector gear to the direction adjustment that angle increases, notice during adjustment that two relative pins will be adjusted together, direction and angle want consistent, during adjustment, and an outer hexagonal spanner loosening nut, another outer hexagonal spanner is to the direction tuningout core pin that angle increases, tune Angle ambiguity at about 30 ~ 45 degree, after completing, by the nut-locking of cam pin; Then motor-operating mechanism separating brake, the output corner observing gear drive increases the number of degrees, if output corner increases not, then repeats adjustment; Spacing angle steel is in place; After reset, the locknut of separating brake overshoot stop screw is got loose, reposition after completing according to fan-shaped gear wheel separating brake, after separating brake stop screw being threaded to contact gear downwards, return stubborn 3 circles again, by screw nut-locking after fixing, after above step completes, can the action of motor-operating mechanism splitting or integrating lock several times, observe the stability state that gear drive corner exports, comprise travel switch folding, whether the switching action of auxiliary switch put in place, after gear drive having stable behavior, just can recover installing mechanism case cover, set-up procedure is complete.
Finally A, B, C three-phase isolation switch body is adjusted.Wherein rotating clockwise as separating brake, rotating counterclockwise as closing a floodgate.Concrete method of adjustment is: be fixed on by dial on isolation crank arm box flange; The conductor wire of isolated for A switch fracture both sides is extracted, be connected on universal instrument two test pencil respectively, universal instrument start is adjusted to buzzing shelves, manually isolating switch is pulled to separating brake position on earth by three-jaw frock, then closing by hand, when closing a floodgate logical to universal instrument ring, now the isolated fracture of A is in moving contact and has just contacted fixed contact state, with marking pen record now pointer position on dial; Then reverse connecting lever continuation to close a floodgate, according to " straight line isolation account form ", continue to reverse connecting lever 11.54 degree to combined floodgate direction, now isolating switch moving contact inserts the degree of depth of survey radome is 40mm, the position that puts in place of namely closing a floodgate; Use the same method and B phase and the isolated switch of C be adjusted to combined floodgate and put in place position.
3), again utilize X digital radiography machine to take the position of the rear isolating switch moving contact of adjustment, if the isolating switch moving contact position after adjustment is still not in place, then repeat step 2), until isolating switch moving contact position puts in place;
6), after isolating switch moving contact position puts in place, reconnected by straight line isolating switch interphase connecting rod, penetrate pivot pin positioning linkage rod joint, the twisted connecting rod body of rod suitably adjusts position and locks body of rod two ends locknut afterwards between two parties, and now connecting rod and connecting lever all do not stress.
Before slew gear is connected short connecting rod with body, unloaded separating/closing mechanism 1 time, makes motor-operating mechanism be in closing position.The short connecting rod that slew gear is connected with body; Insert pivot pin, connecting rod two ends locknut is unclamped some more.Then, manual pretension short connecting rod.Continue to tighten up short connecting rod with spanner, drive body connecting lever to rotate, make pointer continue deflection about 3 degree to closing position, notice that now short connecting rod two ends locknut gets loose in process.After putting in place, locking short connecting rod two ends locknut, adjustment end of operation.
Attention: during locking nut, with two spanners, one fixed core, another locking nut, must not use a wrench operated, in order to avoid make connecting rod receive short or push away length.
Claims (4)
1. utilize X digital radiography to assist the method adjusting in-service GIS device isolating switch moving contact position, it is characterized in that: it comprises the following steps:
1) X digital radiography machine, is utilized to take the initial condition of isolating switch moving contact position;
2), observe isolating switch moving contact position whether to put in place, if isolating switch moving contact position is not in place, then disassemble isolating switch A, B, C three-phase interphase connecting rod, adjustment gear drive output corner, the process of adjustment motor-operating mechanism, then adjusts the isolated switch of A, B, C respectively to the position that puts in place of closing a floodgate;
3), again utilize X digital radiography machine to take the position of the rear isolating switch moving contact of adjustment, if the isolating switch moving contact position after adjustment is still not in place, then repeat step 2), until isolating switch moving contact position puts in place;
4), after isolating switch moving contact position puts in place, isolating switch interphase connecting rod is installed.
2. the X of utilization digital radiography according to claim 1 assists the method adjusting in-service GIS device isolating switch moving contact position, it is characterized in that: adjustment gear drive output corner process is as follows: gear drive is rotated 66 degree ~ 68 degree from open position to closing position direction.
3. the X of utilization digital radiography according to claim 1 assists the method adjusting in-service GIS device isolating switch moving contact position, it is characterized in that: the isolated switch of described A, B, C puts position in place for just having contacted fixed contact state from moving contact to combined floodgate direction continuation torsion connecting lever, until isolating switch moving contact inserts the position to surveying radome degree of depth 40mm.
4. the X of utilization digital radiography according to claim 3 assists the method adjusting in-service GIS device isolating switch moving contact position, it is characterized in that: it is extracted by the conductor wire of isolating switch fracture both sides that described moving contact has just contacted fixed contact state, be connected on universal instrument two test pencil respectively, universal instrument start is adjusted to buzzing shelves, manually isolating switch is pulled to separating brake position on earth by three-jaw frock, then closing by hand, the state when closing a floodgate logical to universal instrument ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510556921.0A CN105207088B (en) | 2015-09-06 | 2015-09-06 | A kind of method of the in-service GIS device disconnecting switch moving contact position of utilization X digital radiographies auxiliary adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510556921.0A CN105207088B (en) | 2015-09-06 | 2015-09-06 | A kind of method of the in-service GIS device disconnecting switch moving contact position of utilization X digital radiographies auxiliary adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105207088A true CN105207088A (en) | 2015-12-30 |
| CN105207088B CN105207088B (en) | 2017-08-22 |
Family
ID=54954601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510556921.0A Active CN105207088B (en) | 2015-09-06 | 2015-09-06 | A kind of method of the in-service GIS device disconnecting switch moving contact position of utilization X digital radiographies auxiliary adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105207088B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668913A (en) * | 2018-11-30 | 2019-04-23 | 贵州电网有限责任公司 | It is opened using digital radial measurement GIS device breaker away from the method for judging transmission system quality of connection |
-
2015
- 2015-09-06 CN CN201510556921.0A patent/CN105207088B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 黄辉敏等: "220 kV GIS隔离开关触头烧坏故障分析与对策", 《广西电力》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668913A (en) * | 2018-11-30 | 2019-04-23 | 贵州电网有限责任公司 | It is opened using digital radial measurement GIS device breaker away from the method for judging transmission system quality of connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105207088B (en) | 2017-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2260556B1 (en) | Method and arrangement for generating an error signal | |
| CN103605051B (en) | The partial discharge test most advanced and sophisticated defect device of gas-insulated metal under surge voltage | |
| CN101325330B (en) | Method for implementing earthing distance measurement element | |
| CN101814731A (en) | Distribution network fault line selection method using non-power frequency transient state component | |
| CN106018991A (en) | Power distribution network ferroresonance and single phase earth fault calculating analysis method and device | |
| CN105185627B (en) | A kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position | |
| CN110824312A (en) | GIS equipment defect simulation analysis equipment and method | |
| WO2018018467A1 (en) | Method for calibrating short circuit test measurement system for electric appliance | |
| WO2021052036A1 (en) | Gis partial discharge detecting device and method based on flange bolts | |
| DE102010060696B4 (en) | Gas-insulated voltage transformer | |
| CN105207088A (en) | Method for assistantly adjusting position of moving contact of isolation switch of in-service GIS equipment by utilizing digital X-radiography | |
| DE102013115009B4 (en) | Density monitor with separate housing parts and assembly process | |
| CN203148607U (en) | Post porcelain insulator torsional stress strain test system | |
| CN201054500Y (en) | Direction ground arc-elimination and cable selection suite device | |
| CN108508278A (en) | Dielectric Posts method and system based on variation mode decomposition and sinwave parameter Method | |
| CN104849530A (en) | MOA resistive current fundamental wave measuring method | |
| CN108519150B (en) | GIS vibration detection device under simulation operation condition | |
| CN111239643A (en) | Single-phase grounding test device and method for power distribution network | |
| CN104483116A (en) | On-line monitoring device applied to intelligent ring main unit | |
| CN112649694B (en) | Method for judging single-phase grounding fault of low-current grounding system | |
| CN205175679U (en) | In put cabinet handcart bite intellectual detection system device | |
| CN103293432A (en) | Single-phase high-impedance grounding fault recognition method of power transmission line | |
| CN209948504U (en) | Cable T type terminal blanking cover installs and removes instrument | |
| He et al. | Study of electric power system transient signals identification method based on multi-scales energy statistic and wavelet energy entropy. | |
| Shirkovets et al. | High-frequency recording system for transient processes in 6–110 kV electrical networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |