CN109254236A - The field test of frequency conversion resonance vibration pressure-proof experimental rig wideband standard voltage divider and its application method - Google Patents
The field test of frequency conversion resonance vibration pressure-proof experimental rig wideband standard voltage divider and its application method Download PDFInfo
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- CN109254236A CN109254236A CN201811350148.2A CN201811350148A CN109254236A CN 109254236 A CN109254236 A CN 109254236A CN 201811350148 A CN201811350148 A CN 201811350148A CN 109254236 A CN109254236 A CN 109254236A
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- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
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Abstract
The present invention provides a kind of frequency conversion resonance vibration pressure-proof experimental rig field test wideband standard voltage divider, for the verifying work of divider, is related to divider verification field.The present invention is designed using graded insulation, divider is divided into two-stage design, it is divided into higher level's divider and junior's divider, higher level's divider can be separately formed 200kV standard voltage divider with upper-stage base, junior's divider can be separately formed 400kV divider, higher level's divider and the series connection of junior's divider may make up 600kV standard voltage divider, this grading design reduces insulating Design intensity, reduce the volume, weight, height of equipment, the flexibility that equipment uses is enhanced again, it is easier to the transport and use of equipment.
Description
Technical field
The present invention relates to wideband standard voltage divider field, specifically a kind of frequency conversion resonance vibration pressure-proof experimental rig field test is used
Wideband standard voltage divider and its application method.
Background technique
Ac voltage withstanding test is the important tests project of insulation of electrical installation examination.The electricity of 110kV and above
Gas equipment voltage rating is high, capacity is big, and according to industrial frequency withstand voltage mode, experimental rig capacity, volume are very huge, it is difficult to become
Power station field conduct.Therefore, 110kV and the above electrical equipment mostly use frequency conversion resonance vibration device to carry out pressure test at present.
Frequency conversion resonance vibration device is to change test frequency by variable-frequency power sources, so that test product capacitor and compensation electricity in test loop
Resonance occurs for sense, generates resonance high-voltage, is applied on subject electrical equipment, examines its insulation performance.Frequency conversion resonance vibration pressure-proof test
When, pass through divider real-time measurement test voltage.When voltage reaches predetermined value, start pressure-resistant timing.Such as the measurement of divider
As a result higher, then it will lead to the voltage being actually applied on test item lower than specified value, cause insulation examination insufficient, in equipment
The insulation hidden danger in portion can not be exposed, and cause damages to equipment safety operation；Measurement result such as divider is relatively low, then can lead
It causes the voltage being actually applied on test item to be higher than specified value, may insulate to test product and cause unnecessary damage.Therefore, it divides
The accuracy of measurement of device is most important to the validity of pressure test and safety.To guarantee that divider measurement is accurate and reliable, answer
Periodically it is calibrated and is examined.
The divider of the electrical equipment frequency conversion resonance vibration pressure-proof test complexes configuration of 110kV~500kV voltage class
Class of accuracy is generally 1 grade, 1.5 grades, and voltage rating reaches as high as 600kV, and frequency range is generally 30Hz~300Hz.It presses
Vertification regulation and calibrating standard requirement, the class of accuracy for the standard set-up calibrated and examined to it, which should reach 0.2 grade, (to be permitted
Perhaps control errors are in ± 0.2% range), voltage rating reaches 600kV, frequency coverage 30Hz~300Hz.And frequency conversion resonance vibration at
Transformer, compensation reactor, divider volume in covering device be big, weight weight, send laboratory inspection to be difficult to realize after dismounting；And
For same set of frequency conversion resonance experiment device under different test loop structures, output rated voltage is not identical.Therefore, to it
The mode that need to take field test is examined, and field test is involved in multiple and different test voltages.
Existing wideband standard voltage divider, generally uses in laboratory, is not easy to move；Intrinsic standoff ratio is fixed simultaneously, and
Voltage rating is lower.As disclosed a kind of AC potentiometer automatic Verification used in laboratory dress in CN201510813423.X
It sets and method, including the wideband standard voltage divider of 200kV；A kind of high-voltage alternating standard scores are disclosed in CN206573623U
Depressor, it is noted that 100kV AC potentiometer；One kind ± 1100kV extra-high voltage double shield is disclosed in CN201810385404.5 certainly
Dynamic constant temperature direct current standard voltage divider, voltage rating are 1100kV direct current, the inspection suitable for extra-high voltage direct-current mutual inductor.Thus may be used
See, existing wideband standard voltage divider voltage rating is fixed, and is not easy to move, the friendship being unable to satisfy in 0~600kV wide frequency range
The field test of galvanic electricity pressure.
Summary of the invention
The present invention is for the wideband standard scores for lacking the experimental rig field test of 0~600kV frequency conversion resonance vibration pressure-proof at present
Depressor solves the problems, such as that existing wideband standard voltage divider intrinsic standoff ratio is fixed, the big weight weight inconvenience of volume moves use on site, mentions
For a kind of frequency conversion resonance vibration pressure-proof experimental rig field test wideband standard voltage divider and its application method.
A kind of frequency conversion resonance vibration pressure-proof experimental rig field test wideband standard voltage divider, including mobile chassis, higher level bottom
Seat, the junior's divider being removably installed on the mobile chassis, is removably pacified at higher level's grading ring, junior's grading ring
Loaded on higher level's divider on junior's divider, higher level's grading ring is installed at the top of higher level's divider, the junior
Grading ring is mounted at the top of junior's divider, and the upper bridge arm capacitor C1 of higher level, the higher level bottom are equipped in higher level's divider
Seat includes higher level's lower bridge arm C4, and higher level's divider can be coupled the upper-stage base when being used alone, at this time on higher level
Bridge arm capacitor C1 connects with higher level's lower bridge arm C4；Be equipped in junior's divider in the junior of series connection bridge arm C2 and under
Grade lower bridge arm C3, when higher level's divider is connect with junior divider, on the upper bridge arm capacitor C1 of higher level, junior bridge arm C2 and
Junior lower bridge arm C3 realizes series connection.
Further, higher level's divider includes higher level's top cover, higher level's outer cylinder, upper bridge arm capacitor C1, the Shang Jihuan of higher level
Oxygen plate, higher level's bottom plate, the upper bridge arm capacitor C1 of the higher level are installed on higher level's epoxy plate, and higher level's epoxy plate is packed into higher level's outer cylinder
Interior, the upper and lower ends of higher level's outer cylinder are connect with higher level's top cover and higher level's bottom plate respectively, are formed higher level's divider, are filled in higher level's outer cylinder
Completely there is SF6Gas.
Further, the upper bridge arm capacitor C1 of the higher level is 1500pF, higher level's lower bridge arm C4 that the upper-stage base includes
For 15uF.
Further, junior's divider include junior's top cover, junior's outer cylinder, junior's capacitor, junior's epoxy plate and under
Grade pedestal, bridge arm C2 is installed on junior's epoxy plate in the junior, and junior's epoxy plate is packed into junior's outer cylinder, under the junior
Bridge arm C3 is installed in junior's pedestal, and the upper and lower ends of junior's outer cylinder 3 are connect with junior's top cover and junior's pedestal respectively, under formation
Grade divider, bridge arm C2 connects with junior lower bridge arm C3 in junior, is filled with SF in junior's outer cylinder6Gas.
Further, bridge arm C2 is 500pF in the junior, and junior's lower bridge arm C3 is 10uF.
Further, the mobile chassis includes a triangle chassis, three supporting legs connecting with triangle chassis, is respectively
First leg, the second supporting leg and third supporting leg, wherein first leg is fixed, the second supporting leg and third supporting leg it is deployable or shrink with
First leg is drawn close.
Further, three supporting leg bottoms are mounted on universal wheel, can direction movement.
Further, three supporting leg tail portions are mounted on pull ring, and junior's divider is equipped with three respectively
One end of pull ring, three eradication edge drawstrings lies in the pull ring of junior's divider, and the other end lies in the pull ring of supporting leg tail portion.
A kind of application method of the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test as described above,
Include the following steps:
When carrying out the verification of 600kV divider:
(1) the wideband standard voltage divider by frequency conversion resonance vibration pressure-proof experimental rig field test is transported to testing ground,
Expansion mobile chassis makes three supporting legs mutually be in 120 degree；
(2) junior's divider is connect with mobile chassis；
(3) junior's grading ring is installed on junior's divider top；
(4) insulation drawstring fixation is lain in respectively at mobile chassis pull ring and junior's top cover pull ring；
(5) higher level's divider is installed on above junior's divider；
(6) higher level's grading ring is installed on above higher level's divider, so far the installment work of divider is completed, Ji Kegen
Schematic diagram wiring is verified according to divider, after the completion of wiring, partial pressure verification can be started；
When carrying out the verification of 400kV divider:
(1) the wideband standard voltage divider by frequency conversion resonance vibration pressure-proof experimental rig field test is transported to testing ground,
Expansion mobile chassis makes three supporting legs mutually be in 120 degree；
(2) junior's divider is connect with mobile chassis；
(3) junior's grading ring is installed on junior's divider top；
(4) insulation drawstring fixation is lain in respectively at mobile chassis pull ring and junior's top cover pull ring, so far the peace of divider
Dress work is completed, and can verify schematic diagram wiring according to divider, after the completion of wiring, can start partial pressure verification；
When carrying out the verification of 200kV divider:
(1) higher level's divider, higher level's grading ring and upper-stage base are transported to testing ground, first by higher level's divider
It is connect with upper-stage base, specifically, higher level's bottom plate 8 of higher level's divider is connect with upper-stage base；
(2) higher level's grading ring is installed at the top of higher level's divider, so far the installment work of divider is completed, Ji Kegen
Schematic diagram wiring is verified according to divider, after the completion of wiring, partial pressure verification can be started.
Further, higher level's outer cylinder and junior outer barrel SF are filled in6The pressure of gas is 0.2Mpa.
The invention has the following beneficial effects:
1, to improve the flexibility and practicability that wideband standard voltage divider uses, while design difficulty of becoming attached to, this hair being reduced
Bright to be designed using two-stage divider, higher level's divider can be separately formed 200kV standard voltage divider, junior's divider with higher level's bottom plate
It can be separately formed 400kV divider, higher level's divider and junior's divider, which are connected, may make up 600kV standard voltage divider, and this point
Grade design both reduced insulating Design intensity, reduce the volume, weight, height of equipment, but enhance equipment use it is flexible
Property, it is easier to the transport and use of equipment；
2, the present invention uses SF simultaneously6Gas-insulated, more stable, progress one reduces under conditions of meeting insulating requirements
The volume and weight of equipment；
Furthermore 3 present invention include contractile mobile chassis, and the position of divider can be arbitrarily moved when testing at the scene,
Using more flexible and convenient, it is contemplated that the occupied area of mobile chassis is larger, is not easy to transport, and the present invention devises shrinkable branch
Leg, mobile chassis occupied area when greatly reducing transport.
Detailed description of the invention
Fig. 1 is the solid of the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test of the embodiment of the present invention
Structural schematic diagram；
Fig. 2 is the section of the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test of the embodiment of the present invention
Figure figure；
Fig. 3 is the trystate schematic diagram of mobile chassis in the embodiment of the present invention；
Fig. 4 is the travel position schematic diagram of mobile chassis in the embodiment of the present invention；
Fig. 5 is that the wideband standard voltage divider partial pressure of frequency conversion resonance vibration pressure-proof experimental rig field test of the embodiment of the present invention is former
Reason figure.
Appended drawing reference: 1-mobile chassis；2-junior's pedestals；3-junior's outer cylinders；4-junior's epoxy plates；5-insulation are drawn
Rope；6-junior's top covers；7-junior's grading rings；8-higher level's bottom plates；9-higher level's outer cylinders；10-higher level's epoxy plates；11-higher levels
Grading ring；12-higher level's top covers；1-1-triangle chassis；1-2-first leg；The second supporting leg of 1-3-；1-4-third supporting leg.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, the technical solution in the present invention is clearly and completely described.
Fig. 1 and Fig. 2 is please referred to, the embodiment of the present invention provides a kind of width of frequency conversion resonance vibration pressure-proof experimental rig field test
Frequency standard voltage divider, including higher level's divider, junior's divider, upper-stage base, mobile chassis, grading ring, insulator, insulation drawing
Rope 5, junior's divider is detachably secured on mobile chassis, and higher level's divider is detachably secured to lower fraction
Depressor top.
Higher level's divider include higher level's top cover 12, higher level's outer cylinder 9, the upper bridge arm capacitor C1 of higher level, higher level's epoxy plate 10,
Higher level's bottom plate 8, the upper bridge arm capacitor C1 of the higher level is 1500pF；The upper-stage base includes higher level's lower bridge arm C4 (15uF).
The upper bridge arm capacitor C1 of the higher level is installed on higher level's epoxy plate 10, and higher level's epoxy plate 10 is packed into higher level's outer cylinder 9,
The upper and lower ends of higher level's outer cylinder 9 are connect with higher level's top cover 12 and higher level's bottom plate 8 respectively, form higher level's divider.
Higher level's outer cylinder 9 is connect with higher level's bottom plate 8 in higher level's divider, and higher level's divider can match when being used alone
Installation upper-stage base is closed, such as higher level's bottom plate 8 is fixedly connected with upper-stage base, at this time under the upper bridge arm capacitor C1 of higher level and higher level
Bridge arm C4 series connection realizes 10000:1 intrinsic standoff ratio as shown in Fig. 5 (a), constitutes 200kV standard voltage divider.
Junior's divider includes junior's top cover 6, junior's outer cylinder 3, junior's capacitor, junior's epoxy plate 4 and junior's pedestal
2, wherein junior's capacitor is divided into bridge arm C2 (500pF) and junior lower bridge arm C3 (10uF) in junior.
Bridge arm C2 is installed on junior's epoxy plate 4 in the junior, and junior's epoxy plate 4 is packed into junior's outer cylinder 3, under described
Grade lower bridge arm C3 is installed in junior's pedestal 2, and the upper and lower ends of junior's outer cylinder 3 connect with junior top cover 6 and junior's pedestal 2 respectively
It connects, i.e., bridge arm C2 connects with junior lower bridge arm C3 in junior, as shown in Fig. 5 (b), realizes 13333:1 intrinsic standoff ratio, constitutes 400kV
Standard voltage divider.
Higher level's divider is connected with junior's divider, i.e. bridge arm C2 and junior on the upper bridge arm capacitor C1 of higher level, junior
The series connection of lower bridge arm C3 realizes 20000:1 intrinsic standoff ratio as shown in Fig. 5 (c), constitutes 600kV standard voltage divider.
The mobile chassis 1 is located at the bottom of whole device, connect with junior's pedestal 2 of junior's divider.It is described
Mobile chassis 1 includes a triangle chassis 1.1, three supporting legs connecting with triangle chassis 1.1, is first leg 1-2, the respectively
Two supporting leg 1-3 and third supporting leg 1-4.By axis connection between three supporting legs and mobile chassis 1, first leg 1-2 is fixed always,
Second supporting leg 1-3 and third supporting leg 1-4 is deployable and is in respectively 120 degree with first leg, and mobile chassis 1 is in most firm shape at this time
State, as shown in Figure 3；Second supporting leg 1-3 and third supporting leg 1-4 is also shrinkable to be drawn close with first leg 1-2, at this time mobile chassis 1
Occupied area is minimum, is easy to transport, as shown in Figure 4.
Three supporting leg bottoms are mounted on universal wheel, can direction movement.
Three supporting leg tail portions are mounted on pull ring, and junior's top cover 6 is equipped with three pull rings respectively, and three thoroughly do away with
One end of edge drawstring 5 lies in junior's top cover pull ring, and the other end is lain at the pull ring of supporting leg tail portion.
The grading ring is divided into higher level's grading ring 11 and junior's grading ring 7, and the size of higher level's grading ring 11 is φ 800-
1000, the size of junior's grading ring 7 is φ 1000-1200；Higher level's grading ring 11 is installed at the top of higher level's divider, described
Junior's grading ring 7 is mounted at the top of junior's divider.
Higher level's outer cylinder 9 and junior's outer cylinder 3 are all made of expoxy glass wire material and are made.
Rubber ring seal is used when higher level's outer cylinder 9 is connect with higher level's top cover 12 and higher level's bottom plate 8, outside the junior
Rubber ring seal is used when cylinder 3 is connect with junior top cover 6 and junior's pedestal 2, ensures the air-tightness of apparatus of the present invention.
Currently, the insulation system of existing divider generally uses oil immersed type insulation system.Oil immersed type insulation system technology at
Ripe, stability is good, but while being used in high-voltage bleeder can greatly increase volume, the weight of equipment, be allowed to be not suitable for installation and transportation, and
And the structure is very high to requirement of explosion proof.The present invention proposes to use SF for above situation6Gas-insulated structure, SF6In contrast have
There is the advantages that small in size, light-weight, excellent insulating property, stabilization, convenient for safeguarding.Insulator i.e. of the invention is to be filled in higher level
SF inside outer cylinder 9 and junior's outer cylinder 36Gas, pressure 0.2MPa.
On the other hand, in order to solve the above technical problems, the present invention also provides above-mentioned frequency conversion resonance vibration pressure-proof experimental rigs
The application method of the wideband standard voltage divider of field test, specifically comprises the following steps:
When carrying out the verification of 600kV divider:
1, the wideband standard voltage divider by frequency conversion resonance vibration pressure-proof experimental rig field test is transported to testing ground, exhibition
Opening mobile chassis 1 makes three supporting legs mutually be in 120 degree；
2, junior's divider is connect with mobile chassis 1；
3, junior's grading ring 7 is installed on junior's divider top；
4, insulation drawstring fixation is lain in respectively at mobile chassis pull ring and junior's top cover pull ring；
5, higher level's divider is installed on above junior's divider；
6, higher level's grading ring 11 is installed on above higher level's divider, so far the installment work of divider is completed
Schematic diagram wiring is verified according to divider, after the completion of wiring, partial pressure verification can be started.
When carrying out the verification of 400kV divider:
1, the wideband standard voltage divider by frequency conversion resonance vibration pressure-proof experimental rig field test is transported to testing ground, exhibition
Opening mobile chassis 1 makes three supporting legs mutually be in 120 degree；
2, junior's divider is connect with mobile chassis 1；
3, junior's grading ring 7 is installed on junior's divider top；
4, insulation drawstring fixation is lain in respectively at mobile chassis pull ring and junior's top cover pull ring, the so far installation of divider
Work is completed, and can verify schematic diagram wiring according to divider, after the completion of wiring, can start partial pressure verification.
When carrying out the verification of 200kV divider:
1, higher level's divider, higher level's grading ring 11 and upper-stage base are transported to testing ground, first divides higher level
Device is connect with upper-stage base, specifically, higher level's bottom plate 8 of higher level's divider is connect with upper-stage base；
2, higher level's grading ring 11 is installed at the top of higher level's divider, so far the installment work of divider is completed
Schematic diagram wiring is verified according to divider, after the completion of wiring, partial pressure verification can be started.
As shown in Fig. 5 (a), when higher level's divider is used alone with higher level's bottom plate, the upper bridge arm capacitor C1 of higher level and higher level
Lower bridge arm capacitor C4 series connection, realizes 10000:1 intrinsic standoff ratio；
As shown in Fig. 5 (b), when grade divider is used alone instantly, bridge arm capacitor C2 and junior's lower bridge arm capacitor in junior
C3 series connection, realizes 13333:1 intrinsic standoff ratio；
As shown in Fig. 5 (c), when higher level's divider is applied in combination with junior's divider, the upper bridge arm capacitor C1 of higher level is under
Bridge arm capacitor C2 series connection is used as upper bridge arm in grade, then connects with junior lower bridge arm capacitor C3, realizes 20000:1 intrinsic standoff ratio.
The present invention solves that standard voltage divider no-load voltage ratio is single, volume is big, weight weight, is not easy to transport, carry out field test by
The problem of limit, realizes the creation of the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Belong to those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, all answers
It is included within the scope of the present invention.
Claims (10)
1. a kind of wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test, it is characterised in that: including movement
Chassis, upper-stage base, higher level's grading ring, junior's grading ring, the junior's divider being removably installed on the mobile chassis,
The higher level's divider being removably installed on junior's divider, higher level's grading ring are installed on higher level's divider top
Portion, junior's grading ring are mounted at the top of junior's divider, and the upper bridge arm capacitor C1 of higher level is equipped in higher level's divider,
The upper-stage base includes higher level's lower bridge arm C4, and higher level's divider can be coupled the upper-stage base when being used alone,
The upper bridge arm capacitor C1 of higher level connects with higher level's lower bridge arm C4 at this time；It is equipped in the junior of series connection in junior's divider
Bridge arm C2 and junior lower bridge arm C3, when higher level's divider is connect with junior divider, the upper bridge arm capacitor C1 of higher level, junior
Upper bridge arm C2 and junior lower bridge arm C3 realizes series connection.
2. the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test as described in claim 1, feature
Be: higher level's divider includes higher level's top cover, higher level's outer cylinder, the upper bridge arm capacitor C1 of higher level, higher level's epoxy plate, higher level bottom
Plate, the upper bridge arm capacitor C1 of the higher level are installed on higher level's epoxy plate, and higher level's epoxy plate is packed into higher level's outer cylinder, higher level's outer cylinder
Upper and lower ends are connect with higher level's top cover and higher level's bottom plate respectively, are formed higher level's divider, are filled with SF in higher level's outer cylinder6Gas.
3. the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test as claimed in claim 1 or 2, special
Sign is: the upper bridge arm capacitor C1 of the higher level is 1500pF, and higher level's lower bridge arm C4 that the upper-stage base includes is 15uF.
4. the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test as described in claim 1, feature
Be: junior's divider includes junior's top cover, junior's outer cylinder, junior's capacitor, junior's epoxy plate and junior's pedestal, under described
Bridge arm C2 is installed on junior's epoxy plate in grade, and junior's epoxy plate is packed into junior's outer cylinder, and junior's lower bridge arm C3 is installed on
In junior's pedestal, the upper and lower ends of junior's outer cylinder 3 are connect with junior's top cover and junior's pedestal respectively, form junior's divider, under
Bridge arm C2 connects with junior lower bridge arm C3 in grade, is filled with SF in junior's outer cylinder6Gas.
5. the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test as claimed in claim 4, feature
Be: bridge arm C2 is 500pF in the junior, and junior's lower bridge arm C3 is 10uF.
6. the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test as described in claim 1, feature
Be: the mobile chassis includes a triangle chassis, three supporting legs connecting with triangle chassis, is first leg, respectively
Two supporting legs and third supporting leg, wherein first leg is fixed, the second supporting leg and third supporting leg it is deployable or shrink leaned on first leg
Hold together.
7. the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test as claimed in claim 6, feature
Be: three supporting leg bottoms are mounted on universal wheel, can direction movement.
8. the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test as claimed in claim 6, feature
Be: three supporting leg tail portions are mounted on pull ring, and junior's divider is equipped with three pull rings respectively, and three thoroughly do away with edge
One end of drawstring lies in the pull ring of junior's divider, and the other end lies in the pull ring of supporting leg tail portion.
9. a kind of wideband standard scores of the frequency conversion resonance vibration pressure-proof experimental rig field test as described in any one of claim 1-8
The application method of depressor, it is characterised in that include the following steps:
When carrying out the verification of 600kV divider:
(1) the wideband standard voltage divider by frequency conversion resonance vibration pressure-proof experimental rig field test is transported to testing ground, expansion
It is mobile
Chassis makes three supporting legs mutually be in 120 degree；
(2) junior's divider is connect with mobile chassis；
(3) junior's grading ring is installed on junior's divider top；
(4) insulation drawstring fixation is lain in respectively at mobile chassis pull ring and junior's top cover pull ring；
(5) higher level's divider is installed on above junior's divider；
(6) higher level's grading ring is installed on above higher level divider, so far the installment work of divider is completed, can according to point
Depressor verifies schematic diagram wiring, after the completion of wiring, can start partial pressure verification；
When carrying out the verification of 400kV divider:
(1) the wideband standard voltage divider of frequency conversion resonance vibration pressure-proof experimental rig field test is transported
After transporting to testing ground, expansion movement
Chassis makes three supporting legs mutually be in 120 degree；
(2) junior's divider is connect with mobile chassis；
(3) junior's grading ring is installed on junior's divider top；
(4) insulation drawstring fixation is lain in respectively at mobile chassis pull ring and junior's top cover pull ring, so far the erector of divider
It is completed, schematic diagram wiring can be verified according to divider, after the completion of wiring, partial pressure verification can be started；
When carrying out the verification of 200kV divider:
(1) higher level's divider, higher level's grading ring and upper-stage base are transported to testing ground, first by higher level's divider with it is upper
Grade pedestal connection, specifically, higher level's bottom plate 8 of higher level's divider is connect with upper-stage base；
(2) higher level's grading ring is installed at the top of higher level divider, so far the installment work of divider is completed, can according to point
Depressor verifies schematic diagram wiring, after the completion of wiring, can start partial pressure verification.
10. method as claimed in claim 9, it is characterised in that: be filled in higher level's outer cylinder and junior outer barrel SF6Gas
Pressure is 0.2Mpa.
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| CN201811350148.2A CN109254236A (en) | 2018-11-14 | 2018-11-14 | The field test of frequency conversion resonance vibration pressure-proof experimental rig wideband standard voltage divider and its application method |
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| CN201811350148.2A CN109254236A (en) | 2018-11-14 | 2018-11-14 | The field test of frequency conversion resonance vibration pressure-proof experimental rig wideband standard voltage divider and its application method |
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