CN105225814A - A kind of novel transformer on-load voltage regulating switch - Google Patents
A kind of novel transformer on-load voltage regulating switch Download PDFInfo
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- CN105225814A CN105225814A CN201510762097.4A CN201510762097A CN105225814A CN 105225814 A CN105225814 A CN 105225814A CN 201510762097 A CN201510762097 A CN 201510762097A CN 105225814 A CN105225814 A CN 105225814A
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Abstract
The present invention relates to a kind of novel transformer on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises symmetrical odd number tap-change operation circuit and even numbers tap-change operation circuit, described tap-change operation circuit comprises working contact, the synchronous transition contact of the double-contact be made up of main contact and secondary contact and can with working contact, the moving contact of the synchronous transition contact contact of double-contact, structure of the present invention is simple, low price, reliability is high, can realize switching omnidistance without electric arc work and can bifurcation work, have a wide range of applications and promotional value.
Description
Technical field
The present invention relates to a kind of transformer regulation, be specifically related to a kind of novel transformer on-load voltage regulating switch.
Background technology
At present, drive the on-load voltage regulating switch majority of Load Regulation voltage to adopt form through current-limiting resistance bridging oil arc extinguishing fast in power transformer, because use oil blast large to oil pollution, maintenance workload is large, and thus reliability is affected.Easily cause contact burning, often upgrade, and need often to filter transformer oil.At present for overcoming the problems referred to above, there is the loaded switch with vacuum extinction, but reliability is not high, often cause switch to explode because vacuum bubbles lost efficacy, jeopardize transformer safety, interrelated data adopts controllable silicon, permutation and combination method is adopted to carry out on-load voltage regulation, but technology is more complicated, once controllable silicon fault, transformer cannot normally run.
Summary of the invention
For the problems referred to above, the invention provides a kind of switch omnidistance without electric arc and can the novel transformer on-load voltage regulating switch of bifurcation work.
For solving the problem, the technical scheme that the present invention takes is: a kind of novel transformer on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises symmetrical odd number tap-change operation circuit and even numbers tap-change operation circuit, described tap-change operation circuit comprises working contact, the synchronous transition contact of the double-contact be made up of main contact and secondary contact and can with working contact, the moving contact of the synchronous transition contact contact of double-contact, described tap-change operation circuit comprises the working contact control circuit and main contact control circuit of being drawn by tap and the secondary contact control circuit being connected to main contact, described working contact control circuit is the input that working contact is connected to that main contact triggers transmitter, and the output that main contact triggers transmitter is connected to main contact control circuit, described main contact control circuit is the series arm two ends that series arm that secondary contact triggers transmitter and transition resistance is parallel to over-current protection device and main contact high-pressure thyristor, described secondary contact control circuit is the main contact of a tap-change operation circuit is connected to other tap-change operation circuit secondary contact through secondary contact high-pressure thyristor, described main contact triggers transmitter for the main contact high-pressure thyristor in same tap-change operation circuit provides trigger current, and described secondary contact triggers transmitter for the secondary contact high-pressure thyristor be connected with the secondary contact of same tap-change operation circuit provides trigger current.
Preferably, described over-current protection device is the quick resistance of stream.
Preferably, described over-current protection device is fuse.
Structure of the present invention is simple, low price, and reliability is high, can realize switching omnidistance without electric arc work and can bifurcation work, have a wide range of applications and promotional value.
Accompanying drawing explanation
Fig. 1 is that embodiment 1 moving contact A contacts schematic diagram with working contact K1;
Fig. 2 is that embodiment 1 moving contact A contacts with working contact K1, double-contact synchronous transition contact k1, k1 ' contact schematic diagram;
Fig. 3 is that embodiment 1 moving contact A transition contact k1, k1 synchronous with double-contact ' contacts schematic diagram;
Fig. 4 is embodiment 1 moving contact A transition contact k1, k1 synchronous with double-contact ', double-contact synchronous transition contact k2, k2 ' contact schematic diagram;
Fig. 5 is that embodiment 1 moving contact A transition contact k2, k2 synchronous with double-contact ' contacts schematic diagram;
Fig. 6 is embodiment 1 moving contact A and working contact K2, double-contact synchronous transition contact k2, k2 ' contact schematic diagram;
Fig. 7 contacts schematic diagram with working contact K2 for moving contact A shown in embodiment 1;
Wherein, A is moving contact, and K1, K2 are working contact, k1, k1 ' and k2, k2 ' be synchronous double-contact transition contact, wherein k1, k2 are main contact; K1 ', k2 ' are secondary contact, R1, R2 are transition resistance, RF1, RF2 are the quick resistance of stream, TSC1, TSC4 are that main contact triggers transmitter (the first, the 4th triggers transmitter), TSC2, TSC3 are that secondary contact triggers transmitter (second, third triggers transmitter), SK1, SK4 are main contact high-pressure thyristor (the first, the 4th high-pressure thyristor), and SK2, SK3 are secondary contact high-pressure thyristor (second, third high-pressure thyristor).
Embodiment
Embodiment 1
A kind of novel transformer on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises symmetrical odd number tap-change operation circuit and even numbers tap-change operation circuit, described tap-change operation circuit comprises working contact K1, K2, the double-contact be made up of main contact and secondary contact synchronous transition contact k1, k1 ' and k2, k2 ' and moving contact A, described tap-change operation circuit comprises the working contact control circuit and main contact control circuit of being drawn by tap and the secondary contact control circuit being connected to main contact k1, k2; Described working contact control circuit is the input that working contact K1, K2 are connected to that main contact triggers transmitter TSC1, TSC4, and the output that main contact triggers transmitter TSC1, TSC4 is connected to main contact control circuit; Described main contact control circuit is that the series arm of secondary contact triggering transmitter TSC2, TSC3 and transition resistance R1, R2 is parallel to the series arm two ends of flowing quick resistance RF1, RF2 and main contact high-pressure thyristor SK1, SK4; Described secondary contact control circuit is main contact k1, k2 of a tap-change operation circuit is connected to other tap-change operation circuit secondary contact k2 ', k1 ' through secondary contact high-pressure thyristor SK3, SK2; Described main contact triggers transmitter TSC1, TSC4 for main contact high-pressure thyristor SK1, the SK4 in same tap-change operation circuit provides trigger current, and described secondary contact triggers transmitter TSC2, TSC3 for secondary contact high-pressure thyristor SK2, the SK3 be connected with the secondary contact of same tap-change operation circuit provides trigger current.
Process when being switched to fixed contact K2 by fixed contact K1 from moving contact A, operation principle of the present invention is as follows:
As shown in Figure 1, moving contact A contacts with working contact K1 normal condition, and first triggers transmitter TSC1 electric current, and second triggers transmitter TSC2, the 3rd triggering transmitter TSC3, the 4th triggers transmitter TSC4 does not have electric current;
Start to the synchronous transition contact k1 of double-contact, k1 ' switches, when going to Fig. 2 position, moving contact A transition contact k1 synchronous with working contact K1 and double-contact, k1 ' contacts, first high-pressure thyristor SK1 is conducting state, and working contact K1, main contact k1 have electric current simultaneously, and second triggers transmitter TSC2, the 3rd triggering transmitter TSC3, the 4th triggers transmitter TSC4 does not have electric current.
When going to Fig. 3 position, moving contact A and working contact K1 equipotential disconnect without arc, the first high-pressure thyristor SK1 does not have electric current, second to trigger transmitter TSC2 electric current, moving contact A transition contact k1 synchronous with double-contact, k1 ' contacts, and second triggers transmitter TSC2, the 3rd triggering transmitter TSC3 has electric current;
Start to the synchronous transition contact k2 of double-contact, k2 ' switches, when going to Fig. 4 position, moving contact A transition contact k1, k1 ' synchronous with double-contact, the synchronous transition contact k2 of double-contact, k2 ' contacts, second triggers transmitter TSC2, the 3rd triggering transmitter TSC3 has electric current, and the second high-pressure thyristor SK2, third high piezocrystal brake tube SK3 conducting make double-contact synchronous transition contact k1, k1 ', k2, k2 ' equipotential, not easily produces electric arc;
When going to Fig. 5 position, moving contact A transition contact k2, k2 ' contact synchronous with double-contact, second triggers transmitter TSC2, the 3rd triggering transmitter TSC3 has electric current, and the 4th triggers transmitter TSC4 no current;
Start to switch to fixed contact K2, when going to Fig. 6 position, moving contact A transition contact k2, k2 ' synchronous with working contact K2 and double-contact contact, second triggers transmitter TSC2, the 3rd triggering transmitter TSC3 does not have electric current, and the 4th triggers transmitter TSC4 electric current;
When going to Fig. 7 position, moving contact A contacts with working contact K2, and second triggers transmitter TSC2, the 3rd triggering transmitter TSC3 does not have electric current, and the 4th triggers transmitter TSC4 electric current.
When there is following fault, need not overhaul in time and also can ensure normal work,
When the first high-pressure thyristor SK1 opens a way, transition resistance R1 dominates work, working contact K1, K2 starting the arc arc extinguishing;
When the 4th high-pressure thyristor SK4 opens a way, transition resistance R2 dominates work, working contact K1, K2 starting the arc arc extinguishing;
When the first high-pressure thyristor SK1 short circuit conducting, flow quick resistance RF1 and disconnect at Fig. 4 position overcurrent, double-contact synchronous transition contact k1, k1', double-contact synchronous transition contact k2, k2' starting the arc arc extinguishing;
When the 4th high-pressure thyristor SK4 short circuit conducting, flow quick resistance RF2 and disconnect at Fig. 4 position overcurrent, double-contact synchronous transition contact k1, k1', double-contact synchronous transition contact k2, k2' starting the arc arc extinguishing;
When the second high-pressure thyristor SK2 opens a way, working contact K1, K2 starting the arc arc extinguishing;
When third high piezocrystal brake tube SK3 opens a way, working contact K1, K2 starting the arc arc extinguishing;
When the second high-pressure thyristor SK2 short circuit conducting, double-contact synchronous transition contact k1, k1' starting the arc arc extinguishing;
When the SK3 short circuit conducting of third high piezocrystal brake tube, double-contact synchronous transition contact k2, k2' starting the arc arc extinguishing;
Embodiment 2
A kind of novel transformer on-load voltage regulating switch, described main contact control circuit is the series arm two ends that series arm that secondary contact triggers transmitter TSC2, TSC3 and transition resistance R1, R2 is parallel to fuse and main contact high-pressure thyristor SK1, SK4, other part-structures and operating principle all with embodiment 1, do not repeat them here.
Claims (3)
1. a novel transformer on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises symmetrical odd number tap-change operation circuit and even numbers tap-change operation circuit, described tap-change operation circuit comprises working contact, the synchronous transition contact of the double-contact be made up of main contact and secondary contact and can with working contact, the moving contact of the synchronous transition contact contact of double-contact, it is characterized in that: described tap-change operation circuit comprises the working contact control circuit and main contact control circuit of being drawn by tap and the secondary contact control circuit being connected to main contact, described working contact control circuit is the input that working contact is connected to that main contact triggers transmitter, and the output that main contact triggers transmitter is connected to main contact control circuit, described main contact control circuit is the series arm two ends that series arm that secondary contact triggers transmitter and transition resistance is parallel to over-current protection device and main contact high-pressure thyristor, described secondary contact control circuit is the main contact of a tap-change operation circuit is connected to other tap-change operation circuit secondary contact through secondary contact high-pressure thyristor, described main contact triggers transmitter for the main contact high-pressure thyristor in same tap-change operation circuit provides trigger current, and described secondary contact triggers transmitter for the secondary contact high-pressure thyristor be connected with the secondary contact of same tap-change operation circuit provides trigger current.
2. novel transformer on-load voltage regulating switch according to claim 1, is characterized in that: described over-current protection device is the quick resistance of stream.
3. novel transformer on-load voltage regulating switch according to claim 1, is characterized in that: described over-current protection device is fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762097.4A CN105225814B (en) | 2015-11-10 | 2015-11-10 | A kind of on-load tap-changer of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762097.4A CN105225814B (en) | 2015-11-10 | 2015-11-10 | A kind of on-load tap-changer of transformer |
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| Publication Number | Publication Date |
|---|---|
| CN105225814A true CN105225814A (en) | 2016-01-06 |
| CN105225814B CN105225814B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510762097.4A Active CN105225814B (en) | 2015-11-10 | 2015-11-10 | A kind of on-load tap-changer of transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627682A (en) * | 2020-05-07 | 2020-09-04 | 南方电网科学研究院有限责任公司 | Hybrid on-load tap-changer and transistor triggering method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04317522A (en) * | 1991-04-17 | 1992-11-09 | Chubu Electric Power Co Inc | On-load tap exchanger |
| US20090146637A1 (en) * | 2007-12-07 | 2009-06-11 | Pennsylvania Transformer Technology, Inc. | Load tap changer |
| CN203119860U (en) * | 2013-03-29 | 2013-08-07 | 刁俊起 | Novel transformer on-load tap changer |
| CN104517744A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet driven on-load voltage regulating switch |
| CN104517753A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet drive on-load voltage regulating switch |
| CN104517742A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet drive on-load voltage regulating switch |
| CN205751825U (en) * | 2015-11-10 | 2016-11-30 | 刁俊起 | A kind of novel transformer on-load voltage regulating switch |
-
2015
- 2015-11-10 CN CN201510762097.4A patent/CN105225814B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04317522A (en) * | 1991-04-17 | 1992-11-09 | Chubu Electric Power Co Inc | On-load tap exchanger |
| US20090146637A1 (en) * | 2007-12-07 | 2009-06-11 | Pennsylvania Transformer Technology, Inc. | Load tap changer |
| CN203119860U (en) * | 2013-03-29 | 2013-08-07 | 刁俊起 | Novel transformer on-load tap changer |
| CN104517744A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet driven on-load voltage regulating switch |
| CN104517753A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet drive on-load voltage regulating switch |
| CN104517742A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet drive on-load voltage regulating switch |
| CN205751825U (en) * | 2015-11-10 | 2016-11-30 | 刁俊起 | A kind of novel transformer on-load voltage regulating switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627682A (en) * | 2020-05-07 | 2020-09-04 | 南方电网科学研究院有限责任公司 | Hybrid on-load tap-changer and transistor triggering method thereof |
| CN111627682B (en) * | 2020-05-07 | 2021-04-06 | 南方电网科学研究院有限责任公司 | Hybrid on-load tap-changer and transistor triggering method thereof |
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| CN105225814B (en) | 2018-01-12 |
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