CN103487617B - Three-phase once logical pressure and the most through-flow device - Google Patents
Three-phase once logical pressure and the most through-flow device Download PDFInfo
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- CN103487617B CN103487617B CN201310475625.9A CN201310475625A CN103487617B CN 103487617 B CN103487617 B CN 103487617B CN 201310475625 A CN201310475625 A CN 201310475625A CN 103487617 B CN103487617 B CN 103487617B
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- 238000002955 isolation Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000003556 assay Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010200 validation analysis Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 238000005314 correlation function Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
Three-phase once logical pressure and the most through-flow device, relate to a kind of detection device.Current assay device cannot synchronism output three-phase high-voltage and the big electric current of three-phase, and can not accurate validation operation function, cannot meet current demand.The present invention includes power controling box, three-phase integrated booster transformer, split type high isolation current lifting device；Described power controling box is provided with three-phase four-wire power input terminal, earth terminal, inlet wire total power switch, voltage input switch, voltage output voltage regulator, electric current input switch, electric current output voltage regulator, voltage outlet terminal, electric current outlet terminal and voltage x current monitoring form meter.The technical program, without disconnecting secondary connection, prevents from recovering by mistake, and accuracy is high.
Description
Technical field
The present invention relates to a kind of detection device.
Background technology
Power construction grows at top speed, and the extensive of transformer station is popularized, and treats the reliability of the equipment of putting into operation before putting into operation
Have higher requirement, current assay device cannot synchronism output three-phase high-voltage and the big electric current of three-phase, and can not accurately test
Card operation function, cannot meet current demand.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is to carry out prior art improving and improving,
Three-phase once logical pressure and the most through-flow device are provided, to reach synchronism output three-phase high-voltage and the big electric current of three-phase, and can accurately test
The purpose of card operation function.To this end, the present invention takes techniques below scheme.
Three-phase once logical pressure and the most through-flow device, it is characterised in that: include power controling box, three-phase integrated boosting transformation
Device, split type high isolation current lifting device；Described power controling box is provided with three-phase four-wire power input terminal, earth terminal, inlet wire
The output of total power switch, voltage input switch, voltage output voltage regulator, electric current input switch, electric current output voltage regulator, voltage connects
Line end, electric current outlet terminal and voltage x current monitoring form meter, three-phase four-wire power input terminal is total with inlet wire by wire
On and off switch one end be connected, the inlet wire total power switch other end by wire respectively with voltage input switch and electric current input switch
One end be connected, the other end of voltage input switch is connected with voltage output voltage regulator input by wire, and electric current inputs and opens
The other end closed is connected with the input of electric current output voltage regulator by wire, and the outfan of voltage output voltage regulator passes through wire
Being connected with voltage outlet terminal, the outfan of electric current output voltage regulator is connected with electric current outlet terminal by wire；Described
The input of three-phase integrated booster transformer be connected with voltage outlet terminal, described split type high isolation current lifting device defeated
Enter end to be connected with electric current outlet terminal；The outfan of three-phase integrated booster transformer is for being connected with test line；High isolation
The outfan of current lifting device is for being connected with test line.The technical program can be simulated true once pressurization and once add stream, nothing
Secondary connection need to be disconnected, prevent from recovering by mistake, relatively real mode verify primary equipment, secondary device wiring the most correct,
Current transformer ratio configuration is the most correct, and the phase sequence connected, polarity etc.；Can also contrast with the test data on backstage
Analyze, complete the correlation function before a whole set of operation and data test, the most successfully lay a solid foundation for putting into operation.
As improving further and supplementing technique scheme, present invention additionally comprises following additional technical feature.
Described voltage x current monitoring form meter includes measuring the voltmeter of three-phase voltage output, monitoring the first of three-phase voltage increasing
Ammeter, the second ammeter of measurement three-phase High-current output.
Described high isolation current lifting device includes three separate current lifting devices, and the first current lifting device is provided with primary coil with secondary
Level coil, number of primary turns is more than secondary winding turns, and the outfan of secondary coil connects current transformer with by second
The big current value of three-phase measured by ammeter.Each current lifting device is made up of two coils, and its number of turn is more, the input company that line footpath is thinner
It is connected to the electric current outlet terminal of control box；The number of turn is less, and the thicker outfan in line footpath is connected to test line.
The input of described three-phase integrated booster transformer connects the voltmeter of three-phase voltage output, three-phase integrated boosting
The outfan of transformator connects the first ammeter.
The outfan of described three-phase integrated booster transformer is connected with voltage output switch one end by wire, described
The outfan of high isolation current lifting device is connected with current output switch one end by wire, the other end of voltage output switch be provided with and
The first current transformer that first ammeter and voltmeter are connected and voltage transformer；The described current output switch other end sets
There is the second current transformer.
Beneficial effect: the technical program can be simulated true once pressurization and once add stream, it is not necessary to disconnect secondary connection, anti-
Only by mistake recover, relatively real mode verify primary equipment, secondary device wiring the most correct, current transformer ratio configures
The most correct, and the phase sequence connected, polarity etc., efficiency is high, and accuracy is good；Can also carry out score with the test data on backstage
Analysis, completes the correlation function before a whole set of operation and data test, the most successfully lays a solid foundation for putting into operation.
Accompanying drawing explanation
Fig. 1 is principle of the invention figure.
Fig. 2 is the structural representation of power controling box of the present invention.
Fig. 3 is that the present invention uses wiring diagram.
In figure: 1-power controling box；101-inlet wire total power switch；102-voltage input switch；The output of 103-voltage is adjusted
Depressor；104-electric current input switch；105-electric current output voltage regulator；106-voltmeter；107-the first ammeter；108-the second electricity
Stream table；2-booster transformer；3-high isolation current lifting device；4-the second current transformer；5-current output switch；6-voltage exports
Switch；7-voltage transformer.
Detailed description of the invention
Below in conjunction with Figure of description, technical scheme is described in further detail.
As shown in Figure 1, 2, 3, the present invention includes power controling box 1, three-phase integrated booster transformer 2, split type high isolation
Current lifting device 3.Described power controling box 1 be provided with three-phase four-wire power input terminal, earth terminal, inlet wire total power switch 101,
Voltage input switch 102, voltage output voltage regulator 103, electric current input switch 104, electric current output voltage regulator 105, voltage export
Terminals, electric current outlet terminal and voltage x current monitoring form meter, three-phase four-wire power input terminal passes through wire and inlet wire
Total power switch 101 one end be connected, inlet wire total power switch 101 other end by wire respectively with voltage input switch 102 and
One end of electric current input switch 104 is connected, and the other end of voltage input switch 102 is by wire and voltage output voltage regulator 103
Input is connected, and the other end of electric current input switch 104 is connected with the input of electric current output voltage regulator 105 by wire, electricity
The outfan of pressure output voltage regulator 103 is connected with voltage outlet terminal by wire, the outfan of electric current output voltage regulator 105
It is connected with electric current outlet terminal by wire；The input of described three-phase integrated booster transformer 2 and voltage output connection
End is connected, and the input of described split type high isolation current lifting device 3 is connected with electric current outlet terminal；Three-phase integrated boosting transformation
The outfan of device 2 is for being connected with test line；The outfan of high isolation current lifting device 3 is for being connected with test line.Wherein electricity
Current voltage monitoring form meter includes measuring the voltmeter 106 of three-phase voltage output, monitoring the first ammeter 107 of three-phase voltage increasing, survey
Second ammeter 108 of amount three-phase High-current output.Described high isolation current lifting device 3 includes three separate current lifting devices,
First current lifting device is provided with primary coil and secondary coil, and number of primary turns is more than secondary winding turns, the output of secondary coil
End connects the second current transformer 4 to measure the big current value of three-phase by the second ammeter 108.Three-phase integrated liter of described buckling
The outfan of depressor 2 is connected with voltage output switch 6 one end by wire, and the outfan of described high isolation current lifting device 3 passes through
Wire is connected with current output switch 5 one end, and the other end of voltage output switch 6 is provided with and the first ammeter 107 and voltmeter
106 the first current transformer being connected and voltage transformers 7；It is mutual that described current output switch 5 other end is provided with the second electric current
Sensor 4.
Three-phase shown in figure 1 above-3 once logical pressure and the most through-flow device are the specific embodiments of the present invention, body
Reveal substantive distinguishing features of the present invention and progress, under the enlightenment of the present invention, it can be carried out shape according to actual use needs
The equivalent modifications of the aspect such as shape, structure, all at the row of protection domain of this programme.
Claims (3)
1. three-phase once logical pressure and the most through-flow device, it is characterised in that: include power controling box (1), three-phase integrated liter of buckling
Depressor (2), split type high isolation current lifting device (3)；Described power controling box (1) be provided with three-phase four-wire power input terminal,
Earth terminal, inlet wire total power switch (101), voltage input switch (102), voltage output voltage regulator (103), electric current input switch
(104), electric current output voltage regulator (105), voltage outlet terminal, electric current outlet terminal and voltage x current monitoring form meter, three
Four line power supply input terminals are connected with inlet wire total power switch (101) one end by wire mutually, inlet wire total power switch (101)
The other end passes through wire one end respectively with voltage input switch (102) and electric current input switch (104) and is connected, and voltage input is opened
The other end closing (102) is connected with voltage output voltage regulator (103) input by wire, electric current input switch (104) another
One end is connected with the input of electric current output voltage regulator (105) by wire, and the outfan of voltage output voltage regulator (103) passes through
Wire is connected with voltage outlet terminal, and the outfan of electric current output voltage regulator (105) is by wire and electric current outlet terminal
It is connected；The input of described three-phase integrated booster transformer (2) is connected with voltage outlet terminal, described split type height every
Input from current lifting device (3) is connected with electric current outlet terminal；The outfan of three-phase integrated booster transformer (2) is used for and quilt
Survey line road is connected；The outfan of high isolation current lifting device (3) is for being connected with test line；Described three-phase integrated booster transformer
(2) outfan is connected with voltage output switch (6) one end by wire, and the outfan of described high isolation current lifting device (3) leads to
Crossing wire to be connected with current output switch (5) one end, the other end of voltage output switch (6) is provided with and the first ammeter (107)
And voltmeter (106) be connected the first current transformer and voltage transformer (7)；Described current output switch (5) other end
It is provided with the second current transformer (4).
Three-phase the most according to claim 1 once logical pressure and the most through-flow device, it is characterised in that: described voltage x current
Monitoring form meter includes measuring the voltmeter (106) of three-phase voltage output, monitoring first ammeter (107) of three-phase voltage increasing, measurement
Second ammeter (108) of three-phase High-current output.
Three-phase the most according to claim 2 once logical pressure and the most through-flow device, it is characterised in that: described high isolation liter
Stream device (3) includes three separate current lifting devices, and the first current lifting device is provided with primary coil and secondary coil, number of primary turns
More than secondary winding turns, the outfan of secondary coil connects the second current transformer (4) to be surveyed by the second ammeter (108)
The amount big current value of three-phase.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475625.9A CN103487617B (en) | 2013-10-12 | 2013-10-12 | Three-phase once logical pressure and the most through-flow device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310475625.9A CN103487617B (en) | 2013-10-12 | 2013-10-12 | Three-phase once logical pressure and the most through-flow device |
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| CN103487617B true CN103487617B (en) | 2016-08-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405239A (en) * | 2015-07-31 | 2017-02-15 | 国家电网公司 | Phasor measurement method without load |
| CN107037389B (en) * | 2017-03-31 | 2019-05-07 | 西安热工研究院有限公司 | A kind of logical pressure method of PT |
| CN108169606A (en) * | 2018-03-12 | 2018-06-15 | 云南送变电工程有限公司 | High voltage direct current converter system simulates live detection complexes and its detection method |
| CN109991515B (en) * | 2019-04-09 | 2021-11-30 | 国网四川省电力公司电力科学研究院 | Method and system for acquiring primary large current under low actual load |
| CN111060771A (en) * | 2019-12-31 | 2020-04-24 | 中国能源建设集团华东电力试验研究院有限公司 | Relay protection and automatic calibration system with analog load |
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| CN102928719A (en) * | 2012-11-07 | 2013-02-13 | 华为技术有限公司 | Power unit aging testing device and method |
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Patent Citations (7)
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| CN201508373U (en) * | 2009-08-27 | 2010-06-16 | 中化二建集团电仪安装工程有限公司 | Three-phase current generator |
| CN202351334U (en) * | 2011-10-17 | 2012-07-25 | 广东华力电气有限公司 | Multifunctional comprehensive testing table |
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