CN203191467U - A high-capacity test loop of multiple voltage grades - Google Patents
A high-capacity test loop of multiple voltage grades Download PDFInfo
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- CN203191467U CN203191467U CN 201320114243 CN201320114243U CN203191467U CN 203191467 U CN203191467 U CN 203191467U CN 201320114243 CN201320114243 CN 201320114243 CN 201320114243 U CN201320114243 U CN 201320114243U CN 203191467 U CN203191467 U CN 203191467U
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- 238000012360 testing method Methods 0.000 title claims abstract description 122
- 230000003068 static effect Effects 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a high-capacity test loop of multiple voltage grades. The high-capacity test loop comprises a 10 kV power supply, a 35 kV power supply, a 10 kV bus, a 35 kV bus, a 20 kV bus, a 10 kV auxiliary bus, a static var generator SVG, a test bus, and a 35 kV main transformer, wherein the 10 kV power supply is connected with the 10 kV bus; the 35 kV power supply is connected with the 35 kV bus; the 10 kV bus is connected with the 35 kV bus; the 35 kV main transformer is respectively connected with the 35 kV bus, the 20 kV bus, and the 10 kV auxiliary bus; the 35 kV bus is connected with the 20 kV bus; the 20 kV bus is connected with the 10 kV auxiliary bus; the 10 kV auxiliary bus is connected with the test bus; the test bus is connected with a sample; and the static var generator SVG is respectively connected with the 10 kV bus and the 35 kV main transformer. The high-capacity test loop is capable of realizing tests of device samples of various voltage grades ranging from 3 kV to 35 kV.
Description
Technical field
The utility model relates to a kind of big capacity test loop of multi-voltage grade, belongs to the power test technical field.
Background technology
At present, general high-power test station directly provides power supply by transformer station, and electric pressure comprises 10kV, 35kV or higher, its voltage is non-adjustable, simultaneously owing to the restriction that is subjected to power supply capacity, for some comparatively special electric pressures, the perhaps bigger device of capacity, as the parallel capacitor device of pure capacitive or perception, and anti-reactor device etc., be difficult to carry out effective test.
The utility model content
The purpose of this utility model has been to provide a kind of big capacity test loop of multi-voltage grade, by 10kV, 35kV two-way power supply, a 35kV main transformer (38.5 ± 8 * 1.25%/21/10.5), and the switching of plug-in strip, the test of stage arrangement test products such as multiple voltage such as can realize from 3kV to 35kV.Simultaneously, for jumbo pure capacitive or perceptual test product, by the compensation of static reacance generator SVG, can realize the big displacement apparatus test under the less power supply capacity.
In order to achieve the above object, the technical solution of the utility model is:
A kind of big capacity test loop of multi-voltage grade comprises 10kV power supply, 35kV power supply, 10kV bus, 35kV bus, 20kV bus, the secondary mother of 10kV, static reacance generator SVG, test bus, 35kV main transformer; Wherein said 10kV power supply links to each other with the 10kV bus by circuit, between 10kV power supply and the 10kV bus 10kV power switch is installed; Described 35kV power supply links to each other with the 35kV bus by circuit, and between 35kV power supply and the 35kV bus 35kV power switch is installed; Described 10kV bus links to each other with the 35kV bus by circuit, and power supply switching plug-in strip is installed between 10kV bus and the 35kV bus; Described 35kV main transformer connects by circuit and the secondary parent phase of 35kV bus, 20kV bus and 10kV respectively, and main transformer 35kV plug-in strip is installed between 35kV main transformer and the 35kV bus, main transformer 20kV plug-in strip is installed between 35kV main transformer and the 20kV bus, main transformer 10kV plug-in strip is installed between 35kV main transformer and the secondary mother of 10kV; The secondary mother of described 10kV links to each other with the test bus by circuit, and between the secondary mother of 10kV and the test bus test bus-tie circuit breaker is installed; Described test bus links to each other with test product by circuit; Described static reacance generator SVG links to each other with 10kV bus, 35kV main transformer by circuit respectively, and between static reacance generator SVG and the 10kV bus 10kV bus plug-in strip is installed, and between static reacance generator SVG and the 35kV main transformer SVG plug-in strip is installed.
The beneficial effects of the utility model are: the big capacity test loop of a kind of multi-voltage grade of the present utility model, by 10kV, 35kV two-way power supply, a 35kV main transformer (38.5 ± 8 * 1.25%/21/10.5), and the switching of plug-in strip, the test of stage arrangement test products such as multiple voltage such as can realize from 3kV to 35kV.Simultaneously, for jumbo pure capacitive or perceptual test product, by the compensation of static reacance generator SVG, can realize the big displacement apparatus test under the less power supply capacity.Under the normal condition, 10kV and above test product adopt 35kV power supply straightway testing or transformer drop test, and electric pressure comprises 10kV, 20kV, 35kV etc.The following test product of 10kV adopts the 10kV power supply through the transformer drop test, and electric pressure comprises 3kV, 5kV, 6kV etc.When 35kV power fail or when maintenance, can adopt 10kV power supply test straightway testing or through the transformer pressure build-up test, electric pressure comprises 10kV, 20kV, 35kV.Utilize static reacance generator SVG can inhale the characteristics of sending out idle fast, when power supply capacity is not enough, drop into static reacance generator SVG, the output of compensation test product is idle, can improve the test capacity greatly.
Description of drawings
Fig. 1 is a synoptic diagram in the big capacity test loop of a kind of multi-voltage grade of the present utility model;
Fig. 2 is the big capacity test loop rough schematic view under the different electric pressure test product of the present utility model.
Embodiment
Embodiment 1
As shown in Figure 1, the big capacity test loop of a kind of multi-voltage grade of present embodiment comprises 10kV power supply 1,35kV power supply 2,10kV bus 5,35kV bus 7,20kV bus 12, the secondary mother 16 of 10kV, static reacance generator SVG17, test bus 19,35kV main transformer 20; Wherein said 10kV power supply 1 links to each other with 10kV bus 5 by circuit, between 10kV power supply 1 and the 10kV bus 5 10kV power switch 3 is installed; Described 35kV power supply 2 links to each other with 35kV bus 7 by circuit, and between 35kV power supply 2 and the 35kV bus 7 35kV power switch 4 is installed; Described 10kV bus 5 links to each other with 35kV bus 7 by circuit, and power supply switching plug-in strip 6 is installed between 10kV bus 5 and the 35kV bus 7; Described 35kV main transformer 20 links to each other with 35kV bus 7,20kV bus 12 and 10kV secondary female 16 by circuit respectively, and main transformer 35kV plug-in strip 9 is installed between 35kV main transformer 20 and the 35kV bus 7, main transformer 20kV plug-in strip 11 is installed between 35kV main transformer 20 and the 20kV bus 12, between 35kV main transformer 20 and the 10kV secondary female 16 main transformer 10kV plug-in strip 14 is installed; Described 10kV secondary female 16 links to each other with test bus 19 by circuit, and between 10kV secondary female 16 and the test bus 19 test bus-tie circuit breaker 18 is installed; Described test bus 19 links to each other with test product 21 by circuit; Described static reacance generator SVG17 links to each other with 10kV bus 5,35kV main transformer 20 by circuit respectively, and 10kV bus plug-in strip 8 is installed between static reacance generator SVG17 and the 10kV bus 5, between static reacance generator SVG17 and the 35kV main transformer 20 SVG plug-in strip 13 is installed.
Below in conjunction with Fig. 1, Fig. 2, elaborate under 10kV, the 35kV two-way power supply, realize the test method of different electric pressures and big capacity test product by the switching of plug-in strip.
One, to 10kV and above electric pressure test product, can adopt 2 power supplies of 35kV power supply, branch 35kV power supply 2 is directly powered and 35kV power supply 2 is powered through the transformer step-down.
1) 35kV power supply 2 is directly powered: the 35kV power switch 4 that closes, 35kV bus plug-in strip 10,20kV bus plug-in strip 15, test bus-tie circuit breaker 18, and test bus 19 is charged, and voltage is 35kV, can carry out the test of 35kV electric pressure test product.
When the 2 directly power supplies of employing 35kV power supply, close main transformer 35kV plug-in strip 9, SVG plug-in strip 13, static reacance generator SVG17 hangs over 35kV main transformer 20 low-pressure sides, and it is idle to be used for 21 outputs of compensation test product, and assurance 35kV power supply 2 output capacities are less.
2) 35kV power supply 2 is powered through the transformer step-down: the 35kV power switch (4) that closes, main transformer 35kV plug-in strip (9), main transformer 20kV plug-in strip (11), 20kV bus plug-in strip (15), test bus-tie circuit breaker (18), test bus (19) is charged, voltage is 20kV, can carry out the test of 20kV electric pressure test product.
Close 35kV power switch 4, main transformer 35kV plug-in strip 9, main transformer 10kV plug-in strip 14, test bus-tie circuit breaker 18, test bus 19 is charged, and voltage is 10kV, can carry out the test of 10kV electric pressure test product.
When adopting 35kV power supply 2 through transformer step-down power supply, the SVG plug-in strip 13 that closes, static reacance generator SVG17 hang over 35kV main transformer 20 low-pressure sides, and it is idle to be used for 21 outputs of compensation test product, guarantee that 35kV power supply 2 output capacities are less.
Two, to the following electric pressure test product of 10kV, can adopt 10kV power supply 1 to power through the transformer step-down.
Close 10kV power switch 3, power supply switches plug-in strip 6, main transformer 35kV plug-in strip 9, main transformer 20kV plug-in strip 11,20kV bus plug-in strip 15, test bus-tie circuit breaker 18, and test bus 19 is charged, and voltage is 6kV, can carry out the test of 6kV electric pressure test product.
Close 10kV power switch 3, power supply switches plug-in strip 6, main transformer 35kV plug-in strip 9, main transformer 10kV plug-in strip 14, test bus-tie circuit breaker 18, and test bus 19 is charged, and voltage is 3kV, can carry out the test of 3kV electric pressure test product.
Close 10kV power switch 3, power supply switches plug-in strip 6,35kV bus plug-in strip 10, main transformer 20kV plug-in strip 11, main transformer 10kV plug-in strip 14, test bus-tie circuit breaker 18, and test bus 19 is charged, and voltage is 5kV, can carry out the test of 5kV electric pressure test product.
When adopting 10kV power supply 1 through transformer step-down power supply, the 10kV bus plug-in strip 8 that closes, static reacance generator SVG17 hangs over 10kV bus 5, is used for 21 outputs of compensation test product, guarantees that 10kV power supply 1 output capacity is less.
Three, when 35kV power supply 2 owing to when fault or maintenance, for 10kV and above electric pressure test product, can adopt 1 power supply of 10kV power supply, divide 10kV power supply 1 directly power supply and 10kV power supply 1 through the transformer power supply of boosting.
1) 10kV power supply 1 is directly powered, method one: the 10kV power switch 3 that closes, power supply switch plug-in strip 6,35kV bus plug-in strip 10,20kV bus plug-in strip 15, test bus-tie circuit breaker 18, test bus 19 is charged, and voltage is 10kV, can carry out the test of 10kV electric pressure test product.The 10kV bus plug-in strip 8 that closes, static reacance generator SVG17 hangs over 10kV bus 5, and it is idle to be used for 21 outputs of compensation test product, guarantees that 10kV power supply 1 output capacity is less.
Method two: the 10kV power switch 3 that closes, 10kV bus plug-in strip 8, SVG plug-in strip 13, main transformer 10kV plug-in strip 14, test bus-tie circuit breaker 18, test bus 19 is charged, and voltage is 10kV, can carry out the test of 10kV electric pressure test product.Static reacance generator SVG17 hangs over 10kV bus 5, and it is idle to be used for 21 outputs of compensation test product, guarantees that 10kV power supply 1 output capacity is less.
2) 10kV power supply 1 is through the transformer power supply of boosting: the 10kV power switch 3 that closes, 10kV bus plug-in strip 8, SVG plug-in strip 13, main transformer 20kV plug-in strip 11,20kV bus plug-in strip 15, test bus-tie circuit breaker 18, test bus 19 is charged, voltage is 20kV, can carry out the test of 20kV electric pressure test product.
10kV power switch 3,10kV bus plug-in strip 8, SVG plug-in strip 13, main transformer 35kV plug-in strip 9,35kV bus plug-in strip 10,20kV bus plug-in strip 15, test bus-tie circuit breaker 18 close, test bus 19 is charged, voltage is 35kV, can carry out the test of 35kV electric pressure test product.
When adopting the 10kV power supply through the transformer power supply of boosting, static reacance generator SVG17 hangs over 35kV main transformer 20 low-pressure sides, is used for 21 outputs of compensation test product, and assurance 35kV power supply 2 output capacities are less.
The big capacity test loop of a kind of multi-voltage grade of present embodiment, by 10kV, 35kV two-way power supply, a 35kV main transformer (38.5 ± 8 * 1.25%/21/10.5), and the switching of plug-in strip such as can realize from 3kV to 35kV at the test of stage arrangement test products such as multiple voltage.Simultaneously, for jumbo pure capacitive or perceptual test product, by the compensation of static reacance generator SVG, can realize the big displacement apparatus test under the less power supply capacity.Under the normal condition, 10kV and above test product adopt 35kV power supply straightway testing or transformer drop test, and electric pressure comprises 10kV, 20kV, 35kV etc.The following test product of 10kV adopts the 10kV power supply through the transformer drop test, and electric pressure comprises 3kV, 5kV, 6kV etc.When 35kV power fail or when maintenance, can adopt 10kV power supply test straightway testing or through the transformer pressure build-up test, electric pressure comprises 10kV, 20kV, 35kV.Utilize static reacance generator SVG can inhale the characteristics of sending out idle fast, when power supply capacity is not enough, drop into static reacance generator SVG, the output of compensation test product is idle, can improve the test capacity greatly.
Claims (1)
1. the big capacity test loop of a multi-voltage grade is characterized in that comprising 10kV power supply (1), 35kV power supply (2), 10kV bus (5), 35kV bus (7), 20kV bus (12), 10kV secondary female (16), static reacance generator SVG (17), test bus (19), 35kV main transformer (20); Wherein said 10kV power supply (1) links to each other with 10kV bus (5) by circuit, between 10kV power supply (1) and the 10kV bus (5) 10kV power switch (3) is installed; Described 35kV power supply (2) links to each other with 35kV bus (7) by circuit, and between 35kV power supply (2) and the 35kV bus (7) 35kV power switch (4) is installed; Described 10kV bus (5) links to each other with 35kV bus (7) by circuit, and power supply switching plug-in strip (6) is installed between 10kV bus (5) and the 35kV bus (7); Described 35kV main transformer (20) links to each other with 35kV bus (7), 20kV bus (12) and 10kV secondary female (16) by circuit respectively, and between 35kV main transformer (20) and the 35kV bus (7) main transformer 35kV plug-in strip (9) is installed, between 35kV main transformer (20) and the 20kV bus (12) main transformer 20kV plug-in strip (11) is installed, 35kV main transformer (20) and 10kV are equipped with main transformer 10kV plug-in strip (14) between secondary female (16); Described 10kV secondary female (16) links to each other with test bus (19) by circuit, and between 10kV secondary female (16) and the test bus (19) test bus-tie circuit breaker (18) is installed; Described test bus (19) links to each other with test product (21) by circuit; Described static reacance generator SVG (17) links to each other with 10kV bus (5), 35kV main transformer (20) by circuit respectively, and between static reacance generator SVG (17) and the 10kV bus (5) 10kV bus plug-in strip (8) is installed, between static reacance generator SVG (17) and the 35kV main transformer (20) SVG plug-in strip (13) is installed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114243 CN203191467U (en) | 2013-03-13 | 2013-03-13 | A high-capacity test loop of multiple voltage grades |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320114243 CN203191467U (en) | 2013-03-13 | 2013-03-13 | A high-capacity test loop of multiple voltage grades |
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| CN203191467U true CN203191467U (en) | 2013-09-11 |
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| CN 201320114243 Expired - Lifetime CN203191467U (en) | 2013-03-13 | 2013-03-13 | A high-capacity test loop of multiple voltage grades |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176087A (en) * | 2013-03-13 | 2013-06-26 | 绍兴电力局 | Multi-voltage-class high-capacity test loop |
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- 2013-03-13 CN CN 201320114243 patent/CN203191467U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176087A (en) * | 2013-03-13 | 2013-06-26 | 绍兴电力局 | Multi-voltage-class high-capacity test loop |
| CN103176087B (en) * | 2013-03-13 | 2015-07-08 | 绍兴电力局 | Multi-voltage-class high-capacity test loop |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20150708 |
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| RGAV | Abandon patent right to avoid regrant |