CN106771911A - A kind of elementary errors compensation industrial frequency withstand voltage experimental rig in parallel - Google Patents
A kind of elementary errors compensation industrial frequency withstand voltage experimental rig in parallel Download PDFInfo
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- CN106771911A CN106771911A CN201611132411.1A CN201611132411A CN106771911A CN 106771911 A CN106771911 A CN 106771911A CN 201611132411 A CN201611132411 A CN 201611132411A CN 106771911 A CN106771911 A CN 106771911A
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- unit
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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
- G01R31/1227—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 of components, parts or materials
- G01R31/1263—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 of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—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 of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a kind of elementary errors compensation industrial frequency withstand voltage experimental rig in parallel,It is related to power equipment pressure test technical field,For prior art because weight,The limitation of the reasons such as power cannot be used at the scene,Can only be using the test method of the pressure-resistant class power frequency of variable-frequency series-resonance and existing equipment manufacture,Using all relative complex,The technical problem big to power supply burden requirement during field test,Using including power control unit,Boosting unit,The power control unit is flexibly connected with the boosting unit by connecting line,The boosting unit is flexibly connected with the compensating unit by connecting line,The power control unit,Boosting unit,Compensating unit can be moved freely in order to transporting and installing after connecting line is dismantled,The present invention uses unit connected mode,Small volume,It is lightweight,Little power consumption,It is simple to operate,It is readily transported and assembles,And single-phase ac power supply can be used,Realize real industrial frequency withstand voltage experiment.
Description
Technical field
The present invention relates to power equipment pressure test technical field, more particularly to a kind of elementary errors compensation industrial frequency withstand voltage examination in parallel
Experiment device.
Background technology
Its handing-over of power equipment or preventive trial are required and carry out industrial frequency withstand voltage experiment, especially for power cable
Ac voltage withstanding is tested, and current industrial frequency experiment equipment is because weight, power limit reason cannot be used at the scene, thus take frequency conversion
The test method of the class power frequency that series resonance is pressure-resistant is carried out, and its frequency range is 20-300Hz, and actual this mode is transported with actual
Row voltage waveform or differentiated, and its equipment voltage input is mainly made up of powerful power electronic devices, equipment system
Make using all relative complex, big to power supply burden requirement during field test in addition, general tens to hundreds of ampere is used mostly 3
Phase power supply.
The content of the invention
The present invention provides a kind of elementary errors in parallel compensation industrial frequency withstand voltage experimental rig, be used to solve prior art because weight,
The limitation of the reasons such as power cannot be used at the scene, can only using the test method of the pressure-resistant class power frequency of variable-frequency series-resonance and
Existing equipment is manufactured, uses all relative complex, the technical problem big to power supply burden requirement during field test.
To solve the above problems, the present invention adopts the following technical scheme that realization：
A kind of elementary errors compensation industrial frequency withstand voltage experimental rig in parallel, including power control unit, boosting unit, it is characterised in that：Institute
State power control unit to be flexibly connected by connecting line with the boosting unit, the boosting unit passes through with the compensating unit
Connecting line be flexibly connected, the power control unit, boosting unit, compensating unit dismantle connecting line after can move freely so as to
In transport and installation, the compensating unit can be used in carrying out equipment under test capacitance, inductance value compensation.
Preferably, the power control unit is mainly made up of automatic coupling voltage regulator.
Preferably, the boosting unit is step-up transformer.
Preferably, the compensating unit includes compensation reactor module and compensation capacitor module, the compensation reactor
Module is mainly made up of compensation reactor, and the compensation capacitor module is mainly made up of compensation capacitor.
Preferably, the automatic coupling voltage regulator is single-phase self-coupling pressure regulator, the single-phase self-coupling pressure regulator input voltage range
It is exchange 110V-380V.
Further, the automatic coupling voltage regulator input voltage is AC power frequency 220V.
Preferably, the step-up transformer is single phase industrial frequence step-up transformer.
Preferably, the compensation capacitor is arranged on compensating electric capacity support, for fixing the compensation capacitor and just
In the capacity that the compensation capacitor is adjusted by the way of in parallel or series.
Preferably, the power frequency is 50Hz or 60Hz.
Preferably, the compensation reactor module is to be stacked together by more than two compensation reactors, the benefit
The total inductance amount for repaying reactor module can be realized changing by adjusting the spacing between the compensation reactor.
The present invention uses unit connected mode, small volume, lightweight, little power consumption, simple to operate, is readily transported and assembles,
And single-phase ac power supply can be used, realize real industrial frequency withstand voltage experiment.
Brief description of the drawings
Fig. 1 is the elementary errors a kind of in parallel compensation industrial frequency withstand voltage experimental rig structural representation that the present invention is provided；
Fig. 2 is the elementary errors a kind of in parallel compensation industrial frequency withstand voltage experimental rig example structure schematic diagram that the present invention is provided.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention in it is attached
Figure, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Embodiments of the invention generally described and illustrated in accompanying drawing herein
Detailed description is not intended to limit the scope of claimed invention, but is merely representative of selected embodiment of the invention.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of elementary errors compensation industrial frequency withstand voltage experimental rig in parallel, including power control unit, boosting unit,
It is characterized in that：The power control unit is flexibly connected with the boosting unit by connecting line, the boosting unit and institute
State compensating unit to be flexibly connected by connecting line, the power control unit, boosting unit, compensating unit are after connecting line is dismantled
Can move freely in order to transporting and installing, the compensating unit can be used in carrying out equipment under test capacitance, inductance value benefit
Repay.Wherein, the power control unit is mainly made up of automatic coupling voltage regulator.The boosting unit is step-up transformer.The benefit
Repaying unit includes compensation reactor module and compensation capacitor module, and the compensation reactor module is main by compensation reactor group
Into the compensation capacitor module is mainly made up of compensation capacitor.The automatic coupling voltage regulator is single-phase self-coupling pressure regulator, described
Single-phase self-coupling pressure regulator input voltage range is exchange 110V-380V.The automatic coupling voltage regulator input voltage is AC power frequency
220V.The step-up transformer is single phase industrial frequence step-up transformer.The compensation capacitor is arranged on compensating electric capacity support, is used
In the fixation compensation capacitor and the capacity for being easy to by the way of in parallel or series adjust the compensation capacitor.The work
Frequency is 50Hz or 60Hz.The compensation reactor module is to be stacked together by more than two compensation reactors, the benefit
The total inductance amount for repaying reactor module can be realized changing by adjusting the spacing between the compensation reactor.
Specifically, as shown in Fig. 2 terminating to alternating current 220V power frequency by the power control unit input that automatic coupling voltage regulator is constituted
On voltage, the voltage can be provided by live diesel-driven generator or the directly acquisition from domestic power grid, and automatic coupling voltage regulator is defeated
Go out end to be connected by the boosting unit that connecting line is constituted with step-up transformer, can directly control to rise by changing automatic coupling voltage regulator
It is the power frequency of 50Hz that the output of pressure transformer, wherein automatic coupling voltage regulator and step-up transformer use frequency, optionally, the frequency
Can also be 60Hz, step-up transformer output end and the compensating unit by compensation reactor module and compensation capacitor module composition
Connection, capacitance or inductance value for compensating equipment under test, the output end of compensating unit is connected with equipment under test.Wherein mend
Repay capacitor to be arranged on a special capacitor support, the support can stablize fixed capacity device and can facilitate real capacitor
Combination and realize capacitor in parallel or in series to change the capacitance in test loop；Compensation reactor module is by more
The superposition of individual circular hollow reactor is in series, the wired in parallel in hookup, by adjusting between each reactor
Gap can be with the inductance value in Adjustment Tests loop.Each unit makes the form for being easy to carry and carry, in order to family
Outer carrying and assembling.
When field test is calculated, the capacitance value of equipment under test is tested out first, according to formulaCalculate tested
The capacity current of equipment, compensation reactor, the inductance value L of such compensation reactor are selected further according to size of currentbJust it is known
, then according to formulaThe capacitance values under 50Hz frequencies are calculated, the capacitance values for calculating subtract tested setting
Standby capacitance values, the as amount of capacity of compensating electric capacity, select compensating electric capacity and combine accordingly, with compensation reactor, liter
Pressure transformer and automatic coupling voltage regulator connect into system and device and enter horizontal high voltage pressure test to equipment under test.
The present invention uses unit connected mode, small volume, lightweight, little power consumption, simple to operate, is readily transported and assembles,
And single-phase ac power supply can be used, realize real industrial frequency withstand voltage experiment.
Claims (10)
1. a kind of elementary errors in parallel compensates industrial frequency withstand voltage experimental rig, including power control unit, boosting unit, it is characterised in that：
The power control unit is flexibly connected with the boosting unit by connecting line, and the boosting unit is logical with the compensating unit
Cross connecting line flexible connection, the power control unit, boosting unit, compensating unit dismantle connecting line after can move freely with
It is readily transported and installs, the compensating unit can be used in carrying out equipment under test capacitance, inductance value compensation.
2. device according to claim 1, it is characterised in that：The power control unit is main by automatic coupling voltage regulator group
Into.
3. device according to claim 1, it is characterised in that：The boosting unit is step-up transformer.
4. device according to claim 1, it is characterised in that：The compensating unit includes compensation reactor module and compensation
Capacitor module, the compensation reactor module is mainly made up of compensation reactor, and the compensation capacitor module is main by mending
Repay capacitor bank into.
5. device according to claim 2, it is characterised in that：The automatic coupling voltage regulator is single-phase self-coupling pressure regulator, described
Single-phase self-coupling pressure regulator input voltage range is exchange 110V-380V.
6. device according to claim 5, it is characterised in that：The automatic coupling voltage regulator input voltage is AC power frequency
220V。
7. device according to claim 3, it is characterised in that：The step-up transformer is single phase industrial frequence step-up transformer.
8. device according to claim 4, it is characterised in that：The compensation capacitor is arranged on compensating electric capacity support,
For fixing the compensation capacitor and being easy to by the way of in parallel or series adjust the capacity of the compensation capacitor.
9. device according to claim 7, it is characterised in that：The power frequency is 50Hz or 60Hz.
10. according to device according to claim 4, it is characterised in that：The compensation reactor module is by two or more
The compensation reactor stack together, the total inductance amount of the compensation reactor module can be by adjusting the compensating reactance
Spacing between device is realized changing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611132411.1A CN106771911A (en) | 2016-12-09 | 2016-12-09 | A kind of elementary errors compensation industrial frequency withstand voltage experimental rig in parallel |
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| CN201611132411.1A CN106771911A (en) | 2016-12-09 | 2016-12-09 | A kind of elementary errors compensation industrial frequency withstand voltage experimental rig in parallel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478874A (en) * | 2017-09-15 | 2017-12-15 | 广西电友科技发展有限公司 | Instrument is sent in exchange examination |
| CN108317946A (en) * | 2018-03-29 | 2018-07-24 | 许昌学院 | A kind of capacitance measuring device and its test method of oil film thickness |
| CN108490286A (en) * | 2018-03-06 | 2018-09-04 | 沈阳变压器研究院股份有限公司 | The compensation method of asymmetrical current and device in heavy current test |
| CN110780169A (en) * | 2019-11-12 | 2020-02-11 | 国网江苏省电力有限公司电力科学研究院 | On-site assembled test method for multiple groups of reactors |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478874A (en) * | 2017-09-15 | 2017-12-15 | 广西电友科技发展有限公司 | Instrument is sent in exchange examination |
| CN108490286A (en) * | 2018-03-06 | 2018-09-04 | 沈阳变压器研究院股份有限公司 | The compensation method of asymmetrical current and device in heavy current test |
| CN108317946A (en) * | 2018-03-29 | 2018-07-24 | 许昌学院 | A kind of capacitance measuring device and its test method of oil film thickness |
| CN108317946B (en) * | 2018-03-29 | 2020-05-05 | 许昌学院 | Capacitance measuring device for thickness of lubricating oil film and testing method thereof |
| CN110780169A (en) * | 2019-11-12 | 2020-02-11 | 国网江苏省电力有限公司电力科学研究院 | On-site assembled test method for multiple groups of reactors |
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