CN206208997U - A kind of transforming plant primary flow device - Google Patents
A kind of transforming plant primary flow device Download PDFInfo
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- CN206208997U CN206208997U CN201621223918.3U CN201621223918U CN206208997U CN 206208997 U CN206208997 U CN 206208997U CN 201621223918 U CN201621223918 U CN 201621223918U CN 206208997 U CN206208997 U CN 206208997U
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- 230000001131 transforming effect Effects 0.000 title claims abstract description 16
- 210000000080 chela (arthropods) Anatomy 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000001012 protector Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of transforming plant primary flow device, the flow device includes three phase mains and the control display being connected with three phase mains, the control display is connected respectively by relay switch with stepup transformer and current lifting device, the current lifting device is connected to CT equipment, the stepup transformer is connected to PT equipment, and the CT equipment is respectively connecting to pincerlike phase meter with the PT equipment；Can be after secondary protector current loop be improved; carry out being completed during through-flow test the detection of each winding current phase and current loop integrality before operation; avoid the possibility of current phase mistake after equipment live, it is ensured that the safe and stable operation of system, improve the success rate that once puts into operation.
Description
Technical field
The utility model belongs to transformer station's power supply technique field, and in particular to a kind of transforming plant primary flow device.
Background technology
With the development of society, electric power enterprise progressively carries out the big management of three collection five, gradually formed " huge construction program, greatly construction,
The management system of big operation, big production, big marketing ", carries out specialized management, also progressively establishes corresponding management system, rises
Corresponding effect is arrived；The development speed of power industry is constantly accelerated, and power construction work speeds therewith, and constantly to intellectuality
Development, for the correctness of more preferable, the secondary automatics and relay protection faster checked in transformer station, especially current differential
Verification in protection, it is secondary in the good current transformer of converting equipment pre-commissioning check, the no-load voltage ratio of voltage transformer equipment, polarity etc.
Loop is, it is necessary to carry out that primary side is through-flow, logical pressure experiment to above equipment.
Reached before transformer station puts into operation and judge the device such as transforming plant primary wiring, phase sequence and protection, measurement, metering in advance
Whether current polarity, no-load voltage ratio meet design and the requirement of definite value, fast and accurately judge mutual inductor polarity, are related to relay guarantor
The reliability and electric power netting safe running of shield, due to the particularity of transformer device structure, transformer belt load polarity test typically can only
Can be measured after transformer puts into operation, so will certainly bring risk to putting equipment in service.
Therefore need to propose a kind of new transforming plant primary flow device to avoid defect present in prior art.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of transforming plant primary flow device, realizes
The three-phase once through-flow logical pressure of line facility, transformer equipment, it is ensured that judge route protection, tranformer protection in experimental stage
Secondary circuit correctness, protection on-load phasor polarity measurement is correct, so as to avoid occurring polarity mistake during formal putting into operation
The false protection for causing by mistake.
A kind of transforming plant primary flow device, the flow device includes three phase mains and the control being connected with three phase mains
Display processed, the control display is connected respectively by relay switch with stepup transformer and current lifting device, the current lifting device connection
To CT equipment, the stepup transformer is connected to PT equipment, and the CT equipment is respectively connecting to pincerlike phase meter with the PT equipment.
Preferably, the current range of the current lifting device output is in 200A-400A.
Preferably, the voltage of stepup transformer output is up to 15kV.
Preferably, individually control is used for the current lifting device and stepup transformer.
The technical solution of the utility model has the advantages that：
A kind of transforming plant primary flow device disclosed in the utility model, can be complete in secondary protector current loop
Deal with problems arising from an accident, carry out being completed during through-flow test the detection of each winding current phase and current loop integrality before operation, it is to avoid set
The possibility of standby powered rear current phase mistake, it is ensured that the safe and stable operation of system, improves the success rate that once puts into operation.
Brief description of the drawings
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is a kind of composition structured flowchart of transforming plant primary flow device disclosed in the utility model.
Specific embodiment
In order to have a clear understanding of the technical solution of the utility model, its detailed structure will be set forth in the description that follows.It is aobvious
So, the specific execution of the utility model embodiment is not only limited in the specific details that those skilled in the art is familiar with.This reality
It is described in detail as follows with new preferred embodiment, except these for describing in detail implement exception, there can also be other embodiment party
Formula.
The utility model is described in further details with reference to the accompanying drawings and examples.
The utility model is related to a kind of transforming plant primary flow device, and the flow device includes three phase mains and and three-phase
The control display that power supply is connected, the control display is connected respectively by relay switch with stepup transformer and current lifting device,
The current lifting device is connected to CT equipment, and the stepup transformer is connected to PT equipment, and the CT equipment is connected respectively with the PT equipment
To pincerlike phase meter
Once through-flow, the logical pressure of line facility can be carried out simultaneously, testing equipment such as Fig. 1 institutes.Equipment uses Special alternating-current
Power supply, meets certain capacity requirement, and during experiment, equipment incoming transport power supply is through controlling display output high current and height electricity
Pressure.The high current of current lifting device output（In 200A to 400A）, can reach to current transformer（CT）Once through-flow requirement.Rise
The high voltage of depressor output is up to 15kV, meets to general voltage transformer（PT）The requirement of logical pressure.
Possess overcurrent, overvoltage protection in control display, occur to be cut immediately when overcurrent, the situation of overvoltage
Disconnected equipment, prevents personnel's electric shock and the damage of equipment and instrument.
Control display control current lifting device and stepup transformer energy individual-phase control in communication is normal, it is different electric per mutually exporting
Amount, is easy to check different phase sequences in secondary device（In dotted line frame is electric power primary equipment）.Current lifting device and stepup transformer can
Used with independent control, i.e. an output current or voltage, the convenient use that the stage is debugged in engineering.
Display system shows the input state of power sourced electric amount with digital quantity；In the communication state with current lifting device, stepup transformer
The output state of the electrical quantity of lower display device each several part, and show the phase angle state of voltage, electric current, facilitate second test amount and
The contrast of secondary device displayed quantity.
Method of testing：During experiment, high current is passed through current transformer（CT）One second part, high voltage link is being beaten
Open（Connecting line i.e. on off voltage mutual inductor interstar connection end, makes it be fully disconnected with the other equipment in system）The electricity of primary line
Pressure transformer（PT）Terminals, capacitance type potential transformer can be connected on the high-pressure side for most descending section according to intrinsic standoff ratio.
Test Current Transformer Secondary electric current, checks transformer ratio；Test voltage transformer secondary voltage, checks voltage ratio,
According to a phase of secondary voltage（On the basis of A phases）On the basis of, electric current and phase angle of the test per phase；Check mutual induction of voltage
The secondary three-phase voltage phase angle of device should be consistent.
A kind of transforming plant primary flow device disclosed in the utility model, can be complete in secondary protector current loop
Deal with problems arising from an accident, carry out being completed during through-flow test the detection of each winding current phase and current loop integrality before operation, it is to avoid set
The possibility of standby powered rear current phase mistake, it is ensured that the safe and stable operation of system, improves the success rate that once puts into operation.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model rather than it is limited
System, although being described in detail to the utility model with reference to above-described embodiment, those of ordinary skill in the art are still
Specific embodiment of the present utility model can be modified or equivalent, these without departing from the utility model spirit and
Any modification of scope or equivalent, are applying within pending claims.
Claims (4)
1. a kind of transforming plant primary flow device, it is characterised in that the flow device includes three phase mains and and three phase mains
The control display being connected, the control display is connected respectively by relay switch with stepup transformer and current lifting device, described
Current lifting device is connected to CT equipment, and the stepup transformer is connected to PT equipment, and the CT equipment is respectively connecting to pincers with the PT equipment
Shape phase meter.
2. transforming plant primary flow device according to claim 1, it is characterised in that the electric current model of the current lifting device output
It is trapped among 200A-400A.
3. transforming plant primary flow device according to claim 1, it is characterised in that the voltage of stepup transformer output is up to
To 15kV.
4. transforming plant primary flow device according to claim 1, it is characterised in that the current lifting device and stepup transformer are independent
Control is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621223918.3U CN206208997U (en) | 2016-11-15 | 2016-11-15 | A kind of transforming plant primary flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621223918.3U CN206208997U (en) | 2016-11-15 | 2016-11-15 | A kind of transforming plant primary flow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208997U true CN206208997U (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621223918.3U Expired - Fee Related CN206208997U (en) | 2016-11-15 | 2016-11-15 | A kind of transforming plant primary flow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206208997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861012A (en) * | 2017-10-17 | 2018-03-30 | 山东送变电工程公司 | A kind of through-flow device of high-power transformer |
| CN109406907A (en) * | 2018-12-09 | 2019-03-01 | 国网辽宁省电力有限公司锦州供电公司 | High-impedance transformer simulates on-load through-flow test device and test method |
| CN111879991A (en) * | 2020-07-13 | 2020-11-03 | 中国水利水电第十二工程局有限公司 | Test device for primary through-flow secondary pressurization and excitation small current |
-
2016
- 2016-11-15 CN CN201621223918.3U patent/CN206208997U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861012A (en) * | 2017-10-17 | 2018-03-30 | 山东送变电工程公司 | A kind of through-flow device of high-power transformer |
| CN109406907A (en) * | 2018-12-09 | 2019-03-01 | 国网辽宁省电力有限公司锦州供电公司 | High-impedance transformer simulates on-load through-flow test device and test method |
| CN111879991A (en) * | 2020-07-13 | 2020-11-03 | 中国水利水电第十二工程局有限公司 | Test device for primary through-flow secondary pressurization and excitation small current |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20191115 |