CN106370942A - Vector detection device and method for bus merging unit replacement of intelligent transformer station - Google Patents
Vector detection device and method for bus merging unit replacement of intelligent transformer station Download PDFInfo
- Publication number
- CN106370942A CN106370942A CN201611117392.5A CN201611117392A CN106370942A CN 106370942 A CN106370942 A CN 106370942A CN 201611117392 A CN201611117392 A CN 201611117392A CN 106370942 A CN106370942 A CN 106370942A
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- CN
- China
- Prior art keywords
- phase
- combining unit
- bus combining
- intelligent substation
- voltage
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/18—Indicating phase sequence; Indicating synchronism
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
Abstract
The invention discloses a vector detection device and method for bus merging unit replacement of an intelligent transformer station, and relates to the technical field of intelligent transformer stations. The vector detection device comprises three phases of cables, a three-phase AC voltage regulator and a bus merging unit, an output voltage of the transformer station is connected to the three-phase AC voltage regulator via the three phases of cables, and an output voltage of the three phases of cables serves as a reference voltage and is connected to the bus merging unit. The vector detection method comprises that the reference voltage is obtained, the reference voltage is connected to the bus merging unit, and an external electrical loop and internal parameters related to the bus merging unit are configured according to the reference voltage. According to the vector detection device and method, the reference voltage is introduced and thus, provides reference for configuration of the bus merging unit, the working quality is ensured, and the working efficiency is improved.
Description
Technical field
The present invention relates to intelligent substation technical field, particularly to intelligent substation bus combining unit replacement operation to
Amount checks.
Background technology
With economic, social development, need for electricity and power load constantly increase, and a large amount of intelligent substations need to carry out
The retrofit works such as increase-volume, enlarging, the device upgrade replacement, this relates to bus combining unit replacement operation.In the mother more renewing
After line combining unit, need to carry out vector angle method, correct to ensure external electrical loop and inner parameter setting.Bus closes at present
And unit vector inspection is to carry out after setting completed in electric loop wiring and device parameter, inspection personnel needs to each vector
Information is checked item by item, be frequently found during inspection electric loop or device parameter setting not to situations such as, need do over again again
Modification.This method not only wastes time and energy, and affects project progress.
Content of the invention
The technical problem to be solved is to provide a kind of intelligent substation bus combining unit replacement operation vector
Check device and method it is ensured that the bus combining unit changed put into operation after phase sequence, amplitude correct it is ensured that work quality, improve
Work efficiency.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of intelligent substation bus merges single
First replacement operation vector angle method device, comprising: threephase cable 2, three phase ac controller 3, bus combining unit 4, its feature exists
In: the input of described threephase cable 2 connects described intelligent substation station time variant voltage 1, and the outfan of described threephase cable 2 connects
The input of described three phase ac controller 3；The outfan of described three phase ac controller 3 connects described bus combining unit 4；
The phase sequence of described three phase ac controller 3 outfan output voltage, amplitude and phase sequence, the amplitude running the currently displaying voltage of equipment
Unanimously, as reference voltage；Described bus combining unit 4 configures described bus combining unit according to described reference voltage.
Preferably, the three-phase electrical interface of described threephase cable 2 input is right with described intelligent substation station time variant voltage 1 respectively
The three-phase answered is electrically connected.
Preferably, the three-phase electrical interface of described threephase cable 2 outfan respectively with described three phase ac controller 3 input
Corresponding three-phase electrical interface is connected.
Preferably, the three-phase electrical interface of described three phase ac controller 3 outfan is defeated with described bus combining unit 4 respectively
Enter to hold corresponding three-phase electrical interface to be connected.
Preferably, described threephase cable 2 is the threephase cable axle with earth leakage protective device.
Preferably, described reference voltage accesses described bus by the terminal at the described bus combining unit 4 device back side and closes
And unit 4.
Preferably, described threephase cable configures electric system or Three-phase five-wire configuration electric system for three-phase and four-line.
A kind of intelligent substation bus combining unit replacement operation vector angle method method it is characterised in that: include obtain base
Quasi- voltage, in intelligent substation bus combining unit replacement operation, described reference voltage is accessed described bus combining unit
4, bus combining unit 4 is configured according to described reference voltage；Wherein, the phase sequence of described reference voltage, amplitude and the equipment of operation are worked as
The phase sequence of front display voltage, amplitude are consistent.
Preferably, described reference voltage is that by threephase cable 2, the station time variant voltage of described intelligent substation is connected to three
The input of cross streams pressure regulator 3, changes amplitude and the phase sequence of the station time variant voltage 1 of input by described three phase ac controller 3,
Make phase sequence, the amplitude of output voltage consistent with the phase sequence of the currently displaying voltage of operation equipment, amplitude.
Have the beneficial effects that using produced by technique scheme: by introducing reference voltage, true analog bus closes
And unit put into operation after secondary voltage value, according to described reference voltage configure bus combining unit it is ensured that configuration correct
Property, construction quality is effectively ensured, has improve work efficiency.
Brief description
Fig. 1 is the structural representation of the present invention；
Wherein, 1, stand change output voltage；2nd, threephase cable；3rd, three phase ac controller；4th, bus combining unit.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below comparison accompanying drawing combination enforcement
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only in order to explain this
Bright, it is not intended to limit the present invention.
As shown in figure 1, a kind of intelligent substation bus combining unit replacement operation vector angle method device, comprising: three-phase electricity
Cable 2, three phase ac controller 3, bus combining unit 4 it is characterised in that: the input of described threephase cable 2 connects described intelligence
1 voltage can be become by Substation Station, the outfan of described threephase cable 2 connects the input of described three phase ac controller 3；Described three
The outfan of cross streams pressure regulator 3 connects described bus combining unit 4；Described three phase ac controller 3 outfan output voltage
Phase sequence, amplitude with to run the phase sequence of the currently displaying voltage of equipment, amplitude consistent, as reference voltage；Described bus merges single
Unit 4 configures described bus combining unit according to described reference voltage.
It is corresponding that three-phase electricity a, b of input of described threephase cable 2, c interface become 1 with described intelligent substation station respectively
Three-phase electricity a, b, c are connected.
The input with described three phase ac controller 3 respectively of three-phase electricity a, b of outfan of described threephase cable 2, c interface
Corresponding three-phase electricity a, b, c interface is held to be connected.
Three-phase electricity a, b of described three phase ac controller 3 outfan, c interface are inputted with described bus combining unit 4 respectively
Corresponding three-phase electricity a, b, c interface is held to be connected.
Described threephase cable 2 can become according to station and three-phase alternating current adjusted using the threephase cable axle with earth leakage protective device
Between depressor, distance adjusts the length of threephase cable.
Described reference voltage accesses described bus combining unit 4 by the terminal at bus combining unit 4 back side.
In intelligent substation bus combining unit replacement operation, draw intelligent substation with described threephase cable 2 and run
Time variant voltage of standing 1, described station time variant voltage 1 is accessed three phase ac controller 3, by adjusting the defeated of three phase ac controller 3 voltage
Go out, obtain phase invariant, the voltage of amplitude change, as the reference voltage of bus combining unit 4, described reference voltage is accessed
The bus combining unit 4 changed, configures bus combining unit 4 according to described reference voltage.After the completion of replacement operation, can use hand-held
Light digital testing system is detected.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of intelligent substation bus combining unit replacement operation vector angle method device, comprising: threephase cable (2), three intersect
Stream pressure regulator (3), bus combining unit (4) it is characterised in that: the input of described threephase cable (2) connects described intelligence and becomes
Power station station becomes output voltage (1), and the outfan of described threephase cable (2) connects the input of described three phase ac controller (3)；
The outfan of described three phase ac controller (3) connects described bus combining unit (4)；Described three phase ac controller (3) is defeated
Go out to hold phase sequence, the amplitude of output voltage consistent with the phase sequence of the currently displaying voltage of operation equipment, amplitude, as reference voltage；Institute
State bus combining unit (4) according to the related external electrical loop of the described reference voltage described bus combining unit (4) of configuration and
Inner parameter.
2. intelligent substation bus combining unit replacement operation vector angle method device according to claim 1, its feature exists
In: it is corresponding that the three-phase electrical interface of described threephase cable (2) input becomes output voltage (1) with described intelligent substation station respectively
Three-phase is electrically connected.
3. intelligent substation bus combining unit replacement operation vector angle method device according to claim 1, its feature exists
In: the three-phase electrical interface of described threephase cable (2) outfan respectively with described three phase ac controller (3) input corresponding three
Phase electrical interface is connected.
4. intelligent substation bus combining unit replacement operation vector angle method device according to claim 1, its feature exists
In: the three-phase electrical interface of described three phase ac controller (3) outfan is corresponding with described bus combining unit (4) input respectively
Three-phase electrical interface be connected.
5. intelligent substation bus combining unit replacement operation vector angle method device according to claim 1, its feature exists
In: described threephase cable (2) is the threephase cable axle with earth leakage protective device.
6. intelligent substation bus combining unit replacement operation vector angle method device according to claim 1, its feature exists
In: described reference voltage accesses described bus combining unit (4) by the terminal at described bus combining unit (4) the device back side.
7. intelligent substation bus combining unit replacement operation vector angle method device according to claim 1, its feature exists
In: described threephase cable configures electric system or Three-phase five-wire configuration electric system for three-phase and four-line.
8. a kind of intelligent substation bus combining unit replacement operation vector angle method method it is characterised in that: include obtain benchmark
Voltage, in intelligent substation bus combining unit replacement operation, described reference voltage is accessed described bus combining unit
(4), the related external electrical loop of bus combining unit (4) and inner parameter are configured according to described reference voltage；Wherein, described
The phase sequence of reference voltage, amplitude are consistent with the phase sequence running the currently displaying voltage of equipment, amplitude.
9. intelligent substation bus combining unit replacement operation vector angle method method according to claim 8, its feature exists
In: described reference voltage is by threephase cable (2), station change output voltage (1) of described intelligent substation to be connected to three intersect
The input of stream pressure regulator (3), changes amplitude and the phase of the station time variant voltage (1) of input by described three phase ac controller (3)
Sequence, makes output voltage consistent with the phase sequence of the currently displaying voltage of operation equipment, amplitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117392.5A CN106370942A (en) | 2016-12-07 | 2016-12-07 | Vector detection device and method for bus merging unit replacement of intelligent transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117392.5A CN106370942A (en) | 2016-12-07 | 2016-12-07 | Vector detection device and method for bus merging unit replacement of intelligent transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106370942A true CN106370942A (en) | 2017-02-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611117392.5A Pending CN106370942A (en) | 2016-12-07 | 2016-12-07 | Vector detection device and method for bus merging unit replacement of intelligent transformer station |
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| CN (1) | CN106370942A (en) |
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| JP2004336876A (en) * | 2003-05-07 | 2004-11-25 | Denso Corp | Three-phase voltage type-inverter device and method of detecting three-phase ac current phase of three-phase voltage-type inverter device |
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| JP2004336876A (en) * | 2003-05-07 | 2004-11-25 | Denso Corp | Three-phase voltage type-inverter device and method of detecting three-phase ac current phase of three-phase voltage-type inverter device |
| CN101893662A (en) * | 2010-07-23 | 2010-11-24 | 江苏省电力公司常州供电公司 | Nuclear phase method for digital transformer substation |
| CN102279323A (en) * | 2011-04-29 | 2011-12-14 | 河南省电力公司鹤壁供电公司 | Secondary accurate phasing method for intelligent transformer station |
| CN102520288A (en) * | 2011-12-19 | 2012-06-27 | 江苏省电力试验研究院有限公司 | Primary-rising based current differential protection synchronization performance testing system and testing method |
| CN104749461A (en) * | 2015-03-23 | 2015-07-01 | 国家电网公司 | Primary pressurizing through-flow device, intelligent transformer system and control method thereof |
| CN105913337A (en) * | 2016-04-19 | 2016-08-31 | 国网重庆市电力公司电力科学研究院 | Method for converting PSASP data model into RSCAD data model |
| CN105974226A (en) * | 2016-04-29 | 2016-09-28 | 国网河南省电力公司南阳供电公司 | Portable power device test power source device and detection method thereof |
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