CN101572493B - Method and device for configuring high-voltage conversion device of test transformer substation - Google Patents
Method and device for configuring high-voltage conversion device of test transformer substation Download PDFInfo
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- CN101572493B CN101572493B CN2009100256394A CN200910025639A CN101572493B CN 101572493 B CN101572493 B CN 101572493B CN 2009100256394 A CN2009100256394 A CN 2009100256394A CN 200910025639 A CN200910025639 A CN 200910025639A CN 101572493 B CN101572493 B CN 101572493B
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Abstract
The invention provides a method for configuring a high-voltage conversion device of a test transformer substation. The method comprises the following steps of: connecting a plurality of single-phase isolating switches with three single-phase transformers of the test transformer substation; and through the combinations of the closing and opening of the isolating switches, realizing different wiringmodes on the primary sides of the transformers. The high-voltage conversion device of the test transformer substation configured by the method comprises the three single-phase transformers and eightsingle-phase isolating switches, wherein initials ends on the primary sides of the three single-phase transformers are initial A, B and C ends respectively, and corresponding tail ends are X, Y and Zends respectively; and the eight single-phase isolating switches are arranged among the A, B, C, X, Y and Z ends of the three single-phase transformers. Through the combinations of the closing and opening of the isolating switches, the different wiring modes on the primary sides of the transformers are realized.
Description
Technical field
The present invention relates to the power transmission and transformation technical field, specifically is a kind of collocation method and device of high-voltage conversion device of test transformer substation.
Background technology
Along with China's economy increases steadily fast, electricity needs is vigorous, and high-tension power transmission and transformation equipment is the technical foundation of power industry, and in electric power system, stable, the reliability service of electric equipment products is that whole system is normal, the precondition of efficient operation.The device for switching test is to follow electric equipment products research, the indispensable means of design overall process, is again the final checking to electric equipment products.Because the electric arc mechanism of the core blowout unit of device for switching relates to numerous subject knowledges, set up practical electric arc model so far as yet, can't direct theoretically computational analysis go out qualified arc extinguishing device.Become the only way of device for switching design through verification experimental verification according to the experience design.
China is for improving core competitiveness at present, adhere to walking the autonomous innovation road, in the process of high-tension power transmission and transformation equipment autonomy-oriented, country is when having strengthened market electric equipment products quality monitoring dynamics, to also standard, the strictness more of product quality management of high voltage electric appliance manufacturing enterprise.Domestic High-Voltage Electrical Appliances quality monitoring monitoring market is very wide, and prospect is very good, has attracted investment construction high-voltage electrical equipment laboratory of domestic in one's power, the international well-known producer of numerous tests.
For satisfying the detection demand of high voltage electric appliance equipment, device fabrication capability analysis in particularly various different electric pressure large-current high-voltage circuit breakers, complete switch equipment device and the electric components type approval test, cut-off the demand of test, need synchronized construction 220kV High-Voltage Electrical Appliances experiment station.Identify needs for satisfying different electric pressure type approval tests and product, 3 single-phase testing transformers of the general employing of test transformer station, the testing transformer primary side current period is realized star, triangle, three strings, the wiring pattern of two strings, distant view reserves three also, two and the wiring pattern, the testing transformer secondary side is realized four winding parallel connections, four windings two and two strings, the wiring pattern of four windings in series, when primary voltage is 220kV, when secondary simplex winding voltage is 6kV, three single-phase transformers one, secondary winding is different wiring groups when making up mutually, and secondary side voltage is as shown in table 1 below:
Table 1
Because there are greatest differences in high voltage test transformer station functional requirement and conventional substation, its design difficulty is its high pressure conversion equipment and low pressure conversion equipment.
The high pressure conversion equipment is owing to electric pressure height, functional requirement are very complicated, require the current period realize the wiring patterns of star, triangle, three strings, two strings, distant view reserve three also, two and the wiring pattern, the design of this device need be considered as a whole, far and near combination is convenient to expansion and is implemented.
Summary of the invention
Technical problem to be solved by this invention is a research and development high voltage test transformer station high pressure conversion equipment, fill up this field blank, provide a kind of maturation, standardization, simple in structure clear, use minimum isolating switch, floor space minimum, multiple functional, safe and reliable, experiment station's high pressure conversion equipment of being convenient to expand.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of collocation method of high-voltage conversion device of test transformer substation is provided with many single-phase isolating switches and is connected with 3 single-phase transformers of test transformer station, and by the disconnection and the closed combination of each isolating switch, the realization transformer is once surveyed different wiring patterns;
Described single-phase isolating switch has 8, is respectively DS
C, DS
Z, DS
B, DS
ZY, DS
AZ, DS
BX, DS
CYAnd DS
XYIf the top of the primary side of 3 single-phase transformers is respectively A, B and C end, corresponding end is X, Y and Z end; Their mode of connection is as follows:
On the transformer of C, Z end correspondence: the C end is divided into equipotential C1 and C2 end, and the C1 end connects the C phase of inlet wire; DS
CBe located between C1 and the C2 end; DS
CYBe located between C2 and the Y end; DS
ZYBe located between Z and the Y end; DS
ZBe located between C1 and the Z end;
On the transformer of B, Y end correspondence: the B end is divided into isopotential point B1 and B2 end, and the B1 end connects the B phase of inlet wire; DS
BBe located between B1 and the B2 end; DS
BXBe located between B2 and the X end;
On the transformer of A, X end correspondence: the A end connects the A phase of inlet wire; DS
AZBe located between A and the Z end; DS
XYBe located between X and the Y end;
Described DS
ZAnd DS
AZNot closed simultaneously.
Be between C1 and B2 end, also to be provided with single-phase isolating switch DS
BCBetween B2 and A end, also be provided with single-phase isolating switch DS
AB
Described DS
ZAnd DS
AZAdopt mechanical interlocks, avoid DS
ZAnd DS
AZClosed simultaneously, cause system's phase fault.
Described each single-phase isolating switch adopts motor-operating mechanism (can carry out the manual switchover operation on the spot or realize the Remote handover operation by supervisory control system).
A kind of high-voltage conversion device of test transformer substation of configuration according to the method described above comprises 3 single-phase transformers and 8 single-phase isolating switches; The top of the primary side of described 3 single-phase transformers is respectively A, B and C end, and corresponding end is X, Y and Z end; Described 8 single-phase isolating switch DS
C, DS
Z, DS
B, DS
ZY, DS
AZ, DS
BX, DS
CYAnd DS
XYWith 3 single-phase transformer annexations of test transformer station be,
On the transformer of C, Z end correspondence: the C end is divided into equipotential C1 and C2 end, and the C1 end connects the C phase of inlet wire; DS
CBe located between C1 and the C2 end; DS
CYBe located between C2 and the Y end; DS
ZYBe located between Z and the Y end; DS
ZBe located between C1 and the Z end;
On the transformer of B, Y end correspondence: the B end is divided into isopotential point B1 and B2 end, and the B1 end connects the B phase of inlet wire; DS
BBe located between B1 and the B2 end; DS
BXBe located between B2 and the X end;
On the transformer of A, X end correspondence: the A end connects the A phase of inlet wire; DS
AZBe located between A and the Z end; DS
XYBe located between X and the Y end;
Described DS
ZAnd DS
AZBetween be provided with linkage, make DS
ZAnd DS
AZNot closed simultaneously.
Between C1 and B2 end, also be provided with single-phase isolating switch DS
BCBetween B2 and A end, also be provided with single-phase isolating switch DS
AB, function can continue expansion, and the transformer primary side can realize three also, two and the wiring pattern.
Described each single-phase isolating switch adopts motor-operating mechanism; Described DS
ZAnd DS
AZBetween linkage be mechanical interlocks.
Described single-phase isolating switch divides five row to arrange DS
CAt first row, DS
ZAt secondary series, DS
B, DS
ZYAnd DS
AZAt the 3rd row, DS
BXAnd DS
CYAt the 4th row, DS
XYAt the 5th row.
DS
BCAt the 3rd row, DS
ABAt the 5th row.
Connect with post insulator, flexible conductor, aldray pipe between described each single-phase isolating switch; Install lightning arrester respectively at A, B and C end and neutral point place.
By technique scheme, the current period is provided with 8 single-phase isolating switch (DS
C, DS
Z, DS
B, DS
ZY, DS
AZ, DS
BX, DS
CY, DS
XY), realize star, triangle, three strings, the two wiring patterns of going here and there; Distant view is set up 2 single-phase isolating switch (DS
BC, DS
AB), amount to 10 single-phase isolating switches, can realize star, triangle, three strings, two strings, three also, two and the wiring pattern.Disconnection and the closed high pressure winding translation function that realizes by above-mentioned isolating switch.The high-voltage conversion device of test transformer substation function sees following table 2 for details:
Table 2:
Annotate: ● represent this isolating switch closure, different wiring group isolating switch position views see accompanying drawing 3～8 for details.
Isolating switch adopts motor-operating mechanism in the high-voltage conversion device of test transformer substation, can carry out the manual switchover operation on the spot or realize the Remote handover operation by supervisory control system.While isolating switch DS
ZAnd DS
AZAdopt mechanical interlocks, avoid isolating switch DS
ZAnd DS
AZClosed simultaneously, cause system's phase fault.
The electric floor plan of high-voltage conversion device of test transformer substation sees accompanying drawing 3 for details, and high voltage isolator divides five row to arrange according to wiring schematic diagram, first row: the DS
CSecondary series: DS
ZThe 3rd row: DS
B, DS
ZY, DS
AZReserve DS
BCThe 4th row: DS
BX, DS
CYThe 5th row: DS
XYReserve DS
ABFor satisfying safe clear distance requirement, coordinate to arrange with testing transformer, utilize post insulator, flexible conductor, aldray pipe to connect between the high pressure conversion equipment isolating switch.Be over-voltage, install lightning arrester respectively in main transformer inlet wire side and main transformer neutral point.
This high-voltage conversion device of test transformer substation electrical wiring and the coordinating and unifying of power distribution equipment floor plan, layout compactness; Simple in structure clear, use minimum isolating switch, floor space minimum, multiple functional, safe and reliable, be convenient to expansion.The present invention is ripe, standardized high pressure conversion equipment, has filled up domestic this field blank, is convenient to promote the use of.
Description of drawings
Fig. 1 is the electrical configurations winding diagram of high-voltage conversion device of test transformer substation
Fig. 2 is a power distribution equipment plane graph of testing transformer station's high pressure conversion equipment
Fig. 3 is first side winding wiring when being Y (being star) type, the isolating switch allocation plan of this device
Fig. 4 is first side winding wiring when being △ (being triangle) type, the isolating switch allocation plan of this device
Fig. 5 is first side winding wiring when being three serial types, the isolating switch allocation plan of this device
Fig. 6 is first side winding wiring when being two serial types, the isolating switch allocation plan of this device
Fig. 7 is that the first side winding wiring is three and during type, the isolating switch allocation plan of this device
Fig. 8 is that the first side winding wiring is two and during type, the isolating switch allocation plan of this device
Embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated, as shown in Figure 1, in the high pressure conversion equipment electrical configurations, the current period is provided with 8 single-phase isolating switch (DS
C, DS
Z, DS
B, DS
ZY, DS
AZ, DS
BX, DS
CY, DS
XY), distant view is set up 2 single-phase isolating switch (DS
BC, DS
AB), amount to 10 single-phase isolating switches, can realize star, triangle, three strings, two strings, three also, two and the wiring pattern, the isolating switch position and with main transformer between be connected and see accompanying drawing 1.Different wiring group isolating switch position views see accompanying drawing 2 for details.That need particularly point out is isolating switch DS
ZAnd DS
AZAdopt mechanical interlocks, avoid isolating switch DS
ZAnd DS
AZClosed simultaneously, cause system's phase fault.
If the top of the primary side of 3 single-phase transformers is respectively A, B and C end, corresponding end is X, Y and Z end; Their mode of connection is as follows:
On the transformer of C, Z end correspondence: the C end is divided into equipotential C1 and C2 end, and the C1 end connects the C phase of inlet wire; DS
CBe located between C1 and the C2 end; DS
CYBe located between C2 and the Y end; DS
ZYBe located between Z and the Y end; DS
ZBe located between C1 and the Z end;
On the transformer of B, Y end correspondence: the B end is divided into isopotential point B1 and B2 end, and the B1 end connects the B phase of inlet wire; DS
BBe located between B1 and the B2 end; DS
BXBe located between B2 and the X end;
On the transformer of A, X end correspondence: the A end connects the A phase of inlet wire; DS
AZBe located between A and the Z end; DS
XYBe located between X and the Y end;
Described is DS
ZAnd DS
AZNot closed simultaneously.
Be between C1 and B2 end, also to be provided with single-phase isolating switch DS
BCBetween B2 and A end, also be provided with single-phase isolating switch DS
AB
Described DS
ZAnd DS
AZAdopt mechanical interlocks.The many in the prior art parts of this device for example adopt cam skateboard formula mechanical interlocking, and action is direct, and interlocking is reliable, adopts the assembled kinematic link, and the scene need not to cut weldering, avoids DS
ZAnd DS
AZClosed simultaneously, cause system's phase fault.
Described each single-phase isolating switch adopts horizontal fracture isolating switch, for example thinks GW4-252C (G) the type isolating switch that electric Rugao, source High-Voltage Electrical Appliances Co., Ltd produces.This type isolating switch adopts motor-operating mechanism, can carry out the manual switchover operation on the spot or realize the Remote handover operation by supervisory control system.Described single-phase isolating switch also can adopt other producer's equivalent product, and this device has extensive adaptability.
Described single-phase isolating switch divides five row to arrange DS
CAt first row, DS
ZAt secondary series, DS
B, DS
ZYAnd DS
AZAt the 3rd row, DS
BXAnd DS
CYAt the 4th row, DS
XYAt the 5th row.The DS of distant view
BCAt the 3rd row, DS
ABAt the 5th row.
Connect with post insulator, flexible conductor, aldray pipe between described each single-phase isolating switch; Install lightning arrester respectively at A, B and C end and neutral point place.
In conjunction with the high-voltage connection of test transformer station, the electric floor plan of high pressure conversion equipment is seen accompanying drawing 2.High voltage test transformer station divides the ABC three-phase to become the set of connections transverse arrangement of turbo according to line, adopts three Pin frameworks between main transformer and the high voltage isolator, and height is striden and set up C2, C1, Z, B2, Y, A, Z seven phase cross-lines.For satisfying safe clear distance requirement, coordinate to arrange with testing transformer, utilize post insulator, flexible conductor, aldray pipe to connect between the high pressure conversion equipment isolating switch, realize high pressure conversion equipment electrical wiring.
Claims (10)
1. the collocation method of a high-voltage conversion device of test transformer substation, it is characterized in that being provided with many single-phase isolating switches is connected with 3 single-phase transformers of test transformer station, disconnection and closed combination by each isolating switch realize the different wiring pattern of transformer primary side;
Described single-phase isolating switch has 8, is respectively DS
C, DS
Z, DS
B, DS
ZY, DS
AZ, DS
BX, DS
CYAnd DS
XYIf the top of the primary side of 3 single-phase transformers is respectively A, B and C end, corresponding end is X, Y and Z end; Their mode of connection is as follows:
On the transformer of C, Z end correspondence: the C end is divided into equipotential C1 and C2 end, and the C1 end connects the C phase of inlet wire; DS
CBe located between C1 and the C2 end; DS
CYBe located between C2 and the Y end; DS
ZYBe located between Z and the Y end; DS
ZBe located between C1 and the Z end;
On the transformer of B, Y end correspondence: the B end is divided into isopotential point B1 and B2 end, and the B1 end connects the B phase of inlet wire; DS
BBe located between B1 and the B2 end; DS
BXBe located between B2 and the X end;
On the transformer of A, X end correspondence: the A end connects the A phase of inlet wire; DS
AZBe located between A and the Z end; DS
XYBe located between X and the Y end;
Described DS
ZAnd DS
AZNot closed simultaneously.
2. the collocation method of high-voltage conversion device of test transformer substation according to claim 1 is characterized in that also being provided with single-phase isolating switch DS between C1 and B2 end
BCAlso be provided with single-phase isolating switch DSAB between B2 and A end, function can continue expansion, and the transformer primary side can realize three also, two and the wiring pattern.
3. the collocation method of high-voltage conversion device of test transformer substation according to claim 1 and 2 is characterized in that described DS
ZAnd DS
AZAdopt mechanical interlocks, avoid DS
ZAnd DS
AZClosed simultaneously, cause system's phase fault.
4. the collocation method of high-voltage conversion device of test transformer substation according to claim 1 and 2 is characterized in that described each single-phase isolating switch adopts motor-operating mechanism.
5. the high-voltage conversion device of test transformer substation according to the arbitrary described method configuration of claim 1～4 is characterized in that comprising 3 single-phase transformers and 8 single-phase isolating switches; The top of the primary side of described 3 single-phase transformers is respectively A, B and C end, and corresponding end is X, Y and Z end; Described 8 single-phase isolating switch DS
C, DS
Z, DS
B, DS
ZY, DS
AZ, DS
BX, DS
CYAnd DS
XYWith 3 single-phase transformer annexations of test transformer station be,
On the transformer of C, Z end correspondence: the C end is divided into equipotential C1 and C2 end, and the C1 end connects the C phase of inlet wire; DS
CBe located between C1 and the C2 end; DS
CYBe located between C2 and the Y end; DS
ZYBe located between Z and the Y end; DS
ZBe located between C1 and the Z end;
On the transformer of B, Y end correspondence: the B end is divided into isopotential point B1 and B2 end, and the B1 end connects the B phase of inlet wire; DS
BBe located between B1 and the B2 end; DS
BXBe located between B2 and the X end;
On the transformer of A, X end correspondence: the A end connects the A phase of inlet wire; DS
AZBe located between A and the Z end; DS
XYBe located between X and the Y end;
Described DS
ZAnd DS
AZBetween be provided with linkage, make DS
ZAnd DS
AZNot closed simultaneously.
6. high-voltage conversion device of test transformer substation according to claim 5 is characterized in that also being provided with single-phase isolating switch DS between C1 and B2 end
BCBetween B2 and A end, also be provided with single-phase isolating switch DS
AB
7. high-voltage conversion device of test transformer substation according to claim 5 is characterized in that described single-phase isolating switch divides five row to arrange DS
CAt first row, DS
ZAt secondary series, DS
B, DS
ZYAnd DS
AZAt the 3rd row, DS
BXAnd DS
CYAt the 4th row, DS
XYAt the 5th row.
8. high-voltage conversion device of test transformer substation according to claim 6 is characterized in that described single-phase isolating switch divides five row to arrange DS
CAt first row, DS
ZAt secondary series, DS
B, DS
ZY, DS
AZAnd DS
BCAt the 3rd row, DS
BXAnd DS
CYAt the 4th row, DS
XYAnd DS
ABAt the 5th row.
9. according to the arbitrary described high-voltage conversion device of test transformer substation of claim 5～8, it is characterized in that described each single-phase isolating switch adopts motor-operating mechanism; Described DS
ZAnd DS
AZBetween linkage be mechanical interlocks.
10. high-voltage conversion device of test transformer substation according to claim 9 is characterized in that connecting with post insulator, flexible conductor, aldray pipe between described each single-phase isolating switch; Also be provided with lightning arrester respectively at A, B and C end and neutral point place.
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|---|---|---|---|
| CN2009100256394A CN101572493B (en) | 2009-03-03 | 2009-03-03 | Method and device for configuring high-voltage conversion device of test transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100256394A CN101572493B (en) | 2009-03-03 | 2009-03-03 | Method and device for configuring high-voltage conversion device of test transformer substation |
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| CN101572493A CN101572493A (en) | 2009-11-04 |
| CN101572493B true CN101572493B (en) | 2010-10-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436912A (en) * | 2011-12-06 | 2012-05-02 | 广西电网公司电力科学研究院 | Novel lightning-proof distribution transformer |
| CN109359822B (en) * | 2018-09-21 | 2022-02-15 | 国网江苏省电力有限公司电力科学研究院 | Electronic voltage transformer measurement state evaluation method and system |
| CN109637792B (en) * | 2018-12-24 | 2021-07-06 | 特变电工湖南电气有限公司 | Test transformer |
| RU188482U1 (en) * | 2018-12-27 | 2019-04-16 | федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") | Power takeoff transformer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371152A (en) * | 2001-02-18 | 2002-09-25 | 郭宝库 | Extra long distance power transmitter |
| CN1943091A (en) * | 2004-02-02 | 2007-04-04 | 西门子公司 | Device and method for equalising the charge of serially connected capacitors belonging to a double layer capacitor |
-
2009
- 2009-03-03 CN CN2009100256394A patent/CN101572493B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371152A (en) * | 2001-02-18 | 2002-09-25 | 郭宝库 | Extra long distance power transmitter |
| CN1943091A (en) * | 2004-02-02 | 2007-04-04 | 西门子公司 | Device and method for equalising the charge of serially connected capacitors belonging to a double layer capacitor |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-272891A 1995.10.20 |
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