CN204102409U - S11 type substation transformer insulation resistance and direct current resistance failure simulation device - Google Patents
S11 type substation transformer insulation resistance and direct current resistance failure simulation device Download PDFInfo
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- CN204102409U CN204102409U CN201420537154.XU CN201420537154U CN204102409U CN 204102409 U CN204102409 U CN 204102409U CN 201420537154 U CN201420537154 U CN 201420537154U CN 204102409 U CN204102409 U CN 204102409U
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- 238000009413 insulation Methods 0.000 title claims abstract description 83
- 238000004088 simulation Methods 0.000 title claims abstract description 8
- 238000004804 winding Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
A kind of S11 type substation transformer insulation resistance and direct current resistance failure simulation device, insulating resistance value and DC resistance can being changed while not destroying former transformer device structure, judging for carrying out analysis from test figure aspect to transformer fault during student training.It comprises casing and case lid, casing arranges panel, its special character is: on panel, arrange two socket holes from top to bottom, first row jack is three terminals, second row jack is six transformer connection jacks, middle panel arranges direct current resistance setting area and insulation resistance setting area, arranges the direct current resistance mark of six pairs of direct current resistance jacks and correspondence each pair of jack in direct current resistance setting area from left to right; " R11-R16 " mark of insulation resistance jack and correspondence is set from left to right in insulation resistance setting area; Be provided with earth terminal jack at lower panels, direct current resistance R21-direct current resistance R26 and insulation resistance R11-insulation resistance R16 is set respectively in casing.
Description
Technical field
The utility model relates to a kind of S11 type substation transformer insulation resistance and direct current resistance failure simulation device, belongs to electric power application.
Background technology
S11 type transformer has been now the main flow equipment in power distribution network, but because normal condition is just presented in face of student by S11 type substation transformer in training on electric power, various faults state can not be set, thus the understanding impression of student to fault is not dark, analysis cannot be carried out from test figure aspect to transformer fault to judge, cause field technician in actual experiment, search failsafe point, now need a kind of device badly and fault can be set on former transformer and the structure not destroying former transformer, improve with this ability that student analyzes decision problem.Measure for student for without actual test specimen, result of training is undesirable.
Utility model content
The utility model to provide a kind of S11 type substation transformer direct current resistance and insulation resistance fault simulation to arrange, insulating resistance value and DC resistance can be changed while not destroying former transformer device structure, judging for carrying out analysis from test figure aspect to transformer fault during student training, making field technician can find out trouble spot in actual experiment.
Technical solution of the present utility model is:
A kind of S11 type substation transformer insulation resistance and direct current resistance failure simulation device, comprise casing and case lid, casing arranges panel, its special character is: on panel, arrange two socket holes from top to bottom, first row jack is three terminals, second row jack is six transformer connection jacks, on panel, corresponding first row jack and second row jack place are respectively equipped with " L4, L5, L6 " mark and " A, B, C, a, b, c, o " mark, middle panel arranges direct current resistance setting area and insulation resistance setting area, the direct current resistance mark of six pairs of direct current resistance jacks and correspondence each pair of jack is set from left to right in direct current resistance setting area, described direct current resistance is labeled as " R21-R26 ", " R11-R16 " mark of insulation resistance jack and correspondence is set from left to right in insulation resistance setting area, the insulation resistance jack that corresponding " R11, R12, R15 and R16 " marks is one, and the insulation resistance jack that corresponding " R13, R14 " marks is two, be provided with earth terminal jack at lower panels, arrange direct current resistance R21-direct current resistance R26 and insulation resistance R11-insulation resistance R16 in casing respectively, described direct current resistance R21-direct current resistance R26 two ends connect with a pair corresponding direct current resistance jack respectively, be connected with earth terminal jack after described insulation resistance R11, insulation resistance R12 one end parallel connection, the other end of described insulation resistance R11, insulation resistance R12 connects with corresponding insulation resistance jack respectively, be connected with earth terminal jack after described insulation resistance R15, insulation resistance R16 one end parallel connection, the other end of described insulation resistance R15, insulation resistance R16 connects with corresponding jack respectively, described insulation resistance R13, R14 two ends are connected with a pair corresponding insulation resistance jack respectively.
The beneficial effects of the utility model are: can change insulating resistance value and DC resistance not destroying former transformer device structure while, judging for carrying out analysis from test figure aspect to transformer fault during student training, making field technician can find out trouble spot in actual experiment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is DC Resistance of Transformer simulated failure circuit theory diagrams;
Fig. 3 is Insulation Resistance of Transformer simulated failure circuit theory diagrams.
In figure: casing 1, case lid 2, panel 3, terminals jack 4, transformer connection jack 5, direct current resistance setting area 6, insulation resistance setting area 7, direct current resistance access jack 8, insulation resistance access jack 9, insulation resistance jack 901, insulation resistance jack 902, earth terminal jack 10.
Embodiment
As shown in Figure 1, this S11 type substation transformer insulation resistance and direct current resistance failure simulation device, comprise casing 1 and case lid 2, casing 1 arranges panel 3, it is three terminals jacks 4 that panel 1 from top to bottom arranges two socket hole first row jacks, second row jack is six transformer connection jacks 5, on panel 3, corresponding terminals jack 4 and transformer connection jack 5 place are respectively equipped with " L4, L5, L6 " mark and " A, B, C, a, b, c, o " mark, direct current resistance setting area 6 and insulation resistance setting area 7 are set in the middle part of panel 3, the direct current resistance mark of six pairs of direct current resistance access jacks 8 and correspondence each pair of jack is set from left to right in direct current resistance setting area 7, described direct current resistance is labeled as " R21-R26 ", insulation resistance " R11-R16 " mark of insulation resistance access jack 9 and correspondence is set from left to right in insulation resistance setting area 7, the insulation resistance jack 901 of correspondence markings " R11, R12, R15 and R16 " is one, and the insulation resistance jack 902 of correspondence markings " R13, R14 " is two, earth terminal jack 10 is provided with at lower panels, in casing 1, arrange direct current resistance R21-direct current resistance R26 and insulation resistance R11-insulation resistance R16 respectively, described direct current resistance R21-direct current resistance R26 two ends connect with a pair corresponding direct current resistance jack respectively, be connected with earth terminal jack 10 after described insulation resistance R11, insulation resistance R12 one end parallel connection, the other end of described insulation resistance R11, insulation resistance R12 connects with corresponding insulation resistance jack respectively, be connected with earth terminal jack 10 after described insulation resistance R15, insulation resistance R16 one end parallel connection, the other end of described insulation resistance R15, insulation resistance R16 connects with corresponding insulation resistance jack 901 respectively, described insulation resistance R13, R14 two ends are connected with corresponding a pair insulation resistance 902 jack respectively.
For direct current resistance fault, transformer high-voltage winding A, B, C tip side and low pressure winding a, b, c and o tip side are accessed the second row jack 5 marked with " A, B, C, a, b, c, o " on panel respectively.
As shown in Figure 2, by wire by corresponding on resistance R21 two ends access panel 3 " a, o " transformer connection jack 5 of mark, be parallel in Transformer Winding by resistance R21, be equivalent to disconnecting link SB1(disconnecting link SB2-disconnecting link SB9 open mode that circuit closes), transformer a phase winding direct current resistance can reduce because of the parallel connection of direct current resistance R21, former resistance is 12 m Ω, parallel connection direct resistance R21(resistance 10 m Ω) afterwards resistance value be 5.12 m Ω, now transformer is in malfunction, thus completes the setting of DC Resistance of Transformer fault.The resistance of direct current resistance R22-direct current resistance R26 is 20 m Ω, 30 m Ω, 1 Ω, 2 Ω, 3 Ω, in like manner simulates the fault verification that deciliter disconnecting link SB2-disconnecting link SB9 realizes high pressure winding and low pressure winding D.C. resistance value.
As shown in Figure 3, when measuring transformer insulation resistance, each insulation resistance resistance is in table 1 high-tension coil, low-voltage coil should distinguish short circuit, when measuring insulation resistance to low pressure winding and ground of high pressure winding, by wire, insulation resistance R11 and R12 is parallel on transformer a phase winding, be equivalent to disconnecting link SA1(disconnecting link SA2-disconnecting link SA9 open mode of closing), transformer low voltage winding insulation resistance can reduce because of the parallel connection of insulation resistance R11, former resistance is 5000M Ω, after in parallel, resistance value is 505M Ω, now transformer is in malfunction, thus complete the setting of Insulation Resistance of Transformer fault.In like manner deciliter SA2-SA6 realizes the fault verification of high pressure winding and low pressure winding insulation resistance value.
Table 1
| Resistance | R11 | R12 | R13 | R14 | R15 | R16 |
| Resistance | 100MΩ | 200MΩ | 100MΩ | 200MΩ | 200MΩ | 300MΩ |
Thus reach by the resistance value of the different resistance of serial or parallel connection in Transformer Winding the object changing Insulation Resistance of Transformer and direct current resistance.
Claims (1)
1. a S11 type substation transformer insulation resistance and direct current resistance failure simulation device, comprise casing and case lid, casing arranges panel, it is characterized in that: two socket holes are from top to bottom set on panel, first row jack is three terminals, second row jack is six transformer connection jacks, on panel, corresponding first row jack and second row jack place are respectively equipped with " L4, L5, L6 " mark and " A, B, C, a, b, c, o " mark, middle panel arranges direct current resistance setting area and insulation resistance setting area, the direct current resistance mark of six pairs of direct current resistance jacks and correspondence each pair of jack is set from left to right in direct current resistance setting area, described direct current resistance is labeled as " R21-R26 ", " R11-R16 " mark of insulation resistance jack and correspondence is set from left to right in insulation resistance setting area, the insulation resistance jack that corresponding " R11, R12, R15 and R16 " marks is one, and the insulation resistance jack that corresponding " R13, R14 " marks is two, be provided with earth terminal jack at lower panels, arrange direct current resistance R21-direct current resistance R26 and insulation resistance R11-insulation resistance R16 in casing respectively, described direct current resistance R21-direct current resistance R26 two ends connect with a pair corresponding direct current resistance jack respectively, be connected with earth terminal jack after described insulation resistance R11, insulation resistance R12 one end parallel connection, the other end of described insulation resistance R11, insulation resistance R12 connects with corresponding insulation resistance jack respectively, be connected with earth terminal jack after described insulation resistance R15, insulation resistance R16 one end parallel connection, the other end of described insulation resistance R15, insulation resistance R16 connects with corresponding jack respectively, described insulation resistance R13, R14 two ends are connected with a pair corresponding insulation resistance jack respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537154.XU CN204102409U (en) | 2014-09-18 | 2014-09-18 | S11 type substation transformer insulation resistance and direct current resistance failure simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537154.XU CN204102409U (en) | 2014-09-18 | 2014-09-18 | S11 type substation transformer insulation resistance and direct current resistance failure simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204102409U true CN204102409U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420537154.XU Active CN204102409U (en) | 2014-09-18 | 2014-09-18 | S11 type substation transformer insulation resistance and direct current resistance failure simulation device |
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| CN (1) | CN204102409U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527529A (en) * | 2017-10-09 | 2017-12-29 | 贵州电网有限责任公司 | The low-pressure side winding characteristic failures simulator and its emulation mode of a kind of transformer |
| CN107591072A (en) * | 2017-10-09 | 2018-01-16 | 贵州电网有限责任公司 | A kind of Synthesized Diagnosis On Transformer Faults simulator and its emulation mode |
| CN109406908A (en) * | 2018-12-10 | 2019-03-01 | 国网江苏省电力有限公司检修分公司 | One kind repairing the integrated test platform of examination |
-
2014
- 2014-09-18 CN CN201420537154.XU patent/CN204102409U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527529A (en) * | 2017-10-09 | 2017-12-29 | 贵州电网有限责任公司 | The low-pressure side winding characteristic failures simulator and its emulation mode of a kind of transformer |
| CN107591072A (en) * | 2017-10-09 | 2018-01-16 | 贵州电网有限责任公司 | A kind of Synthesized Diagnosis On Transformer Faults simulator and its emulation mode |
| CN107527529B (en) * | 2017-10-09 | 2023-08-22 | 贵州电网有限责任公司 | Low-voltage side winding characteristic fault simulation device and simulation method of transformer |
| CN107591072B (en) * | 2017-10-09 | 2023-08-25 | 贵州电网有限责任公司 | Transformer comprehensive fault diagnosis simulation device and simulation method thereof |
| CN109406908A (en) * | 2018-12-10 | 2019-03-01 | 国网江苏省电力有限公司检修分公司 | One kind repairing the integrated test platform of examination |
| CN109406908B (en) * | 2018-12-10 | 2023-11-24 | 国网江苏省电力有限公司检修分公司 | Repair and test integrated test platform |
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