CN103077812A - Novel capacity regulating transformer - Google Patents
Novel capacity regulating transformer Download PDFInfo
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- CN103077812A CN103077812A CN2013100153939A CN201310015393A CN103077812A CN 103077812 A CN103077812 A CN 103077812A CN 2013100153939 A CN2013100153939 A CN 2013100153939A CN 201310015393 A CN201310015393 A CN 201310015393A CN 103077812 A CN103077812 A CN 103077812A
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Abstract
The invention provides a novel capacity regulating transformer, which comprises a three-phase capacity regulating transformer body (including an iron core and a coil), a corrugated oil tank, a three-phase on-load capacity regulating switch, an intelligent switch controller, a high voltage tapping switch, a low voltage current transformer, a terminal box, a high voltage bushing, a low voltage bushing, a tubular oil level indicator and the like. According to the capacity regulating transformer disclosed by the invention, under a loading condition, the connection mode of the transformer can be automatically changed according to the load change so as to regulate the capacity of the transformer to be large or small. Under a high load, the capacity of the transformer is automatically regulated to be large, and the transformer operates safely; and under a low load, the capacity of the transformer is automatically regulated to be small, no-load loss is reduced, and the energy saving effect is obvious. The novel capacity regulating transformer is mainly suitable for places such as villages, city business districts, industrial areas and residential quarters with larger seasonal load or cyclic load changes.
Description
Technical field
The present invention relates to the capacitance-adjustable transformer technology of power transmission and distribution circuit, particularly a kind of novel capacitance-adjustable transformer.
Background technology
At present, change the places such as large rural area, downtown, industrial area, residential quarter at seaonal load or cyclic load for saves energy, when reducing purchase cost, have preferential selection capacitance-adjustable transformer.But the major defect of conventional type capacitance-adjustable transformer has following at present:
1, loaded capacity-regulated switch adopts the conventional mounting position, and the low voltage three-phase D.C. resistance is difficult to balance when making large capacity, makes simultaneously the fuel tank volume larger.
2, because need the low-tension current sampling, current transformer is installed, low-tension bushing is installed on the oil tank wall, so easy generation leakage of oil point produces the dangerous accident of operation, also needs in addition the current transformer install bin to install and the protective current instrument transformer.Fuel tank overall volume and material cost have been increased so again.
3, low-tension bushing is installed in oil tank wall, and case lid need to be opened hand hole, and installation difficulty is large.
4, low-voltage bus bar is drawn from the transformer downside, the connection electrical network of being inconvenient to construct.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, propose a kind of novel capacitance-adjustable transformer.
The technical scheme that realizes above-mentioned purpose is: novel capacitance-adjustable transformer, it is characterized in that, comprise the loaded capacity-regulated switch of three-phase and be arranged on three-phase the on-off controller that carries on the empty switch of accent is arranged, bushing, low-tension bushing, terminal board, high-voltage tap changer, coil, unshakable in one's determination, low-voltage current mutual inductor, fuel tank, corrugated plate and pipe type oil-level gauge, wherein said coil, iron core connects by electromagnetic induction, coil, the loaded capacity-regulated switch of three-phase, bushing, low-tension bushing, high-voltage tap changer connects by copper stranded conductor, low-voltage current mutual inductor, the coil low-voltage bus bar connects by electromagnetic induction, on-off controller, terminal board, low-voltage current mutual inductor connects by wire, fuel tank, corrugated plate is welded to connect, bushing, low-tension bushing, the line terminals box, high-voltage tap changer and pipe type oil-level gauge and fuel tank are bolted.
The more traditional capacitance-adjustable transformer volume of the present invention reduces, production cost reduces, fitting operation is simple and convenient, reduced recessive defective makes operation more safe and reliable.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is side-looking structural representation of the present invention.
Fig. 3 is the technology of the present invention background structure schematic diagram.
Fig. 4 is the technology of the present invention background side TV structure schematic diagram.
Embodiment
In order to further specify the present invention, further describe below in conjunction with accompanying drawing:
Shown in Fig. 1-2, capacitance-adjustable transformer of the present invention, include the loaded capacity-regulated switch 1 of three-phase, bushing 2, low-tension bushing 3, terminal board 4, high-voltage tap changer 5, coil 6, iron core 7, low-voltage current mutual inductor 8, fuel tank 11, corrugated plate 12, pipe type oil-level gauge 13, be arranged on the compositions such as on-off controller 14 on the loaded capacity-regulated switch 1 of three-phase, its coil 6, unshakable in one's determination 7 connects by magnetic induction.Coil 6, the loaded capacity-regulated switch 1 of three-phase, bushing 2, low-tension bushing 3, high-voltage tap changer 5 connect by copper stranded conductor.Low-voltage current mutual inductor 8, coil 6 low-voltage bus bars connect by electromagnetic induction.On-off controller 14, terminal board 4, low-voltage current mutual inductor 8 connect by wire.Fuel tank 11, corrugated plate 12 are welded to connect.
With reference to prior art (Fig. 3-4), the present invention has following improvement:
At first, because this novel capacitance-adjustable transformer, the loaded capacity-regulated switch 1 of three-phase is installed in low-pressure side one side middle part, and is installed in fuel tank 11 leftmost sides or the rightmost side unlike the conventional type of Fig. 3.Therefore capacitance-adjustable transformer fuel tank 11 volumes of the present invention can reduce relatively, have so not only saved steel product cost but also have reduced the consumption of transformer oil.
Secondly, because this novel capacitance-adjustable transformer, the loaded capacity-regulated switch 1 of three-phase is installed in low-pressure side one side middle part, and is installed in fuel tank 11 leftmost sides or the rightmost side unlike the conventional type of Fig. 3.Therefore low voltage three-phase copper stranded conductor length of the present invention differs less, the easy balance of three-phase dc resistance, even when uneven, and also easily trim.
The 3rd, because the low-voltage current mutual inductor 8 of this novel capacitance-adjustable transformer is installed in fuel tank internal, low-tension bushing namely can be installed on the oil tank wall as shown in Figure 4 in order to cooperate low-voltage current mutual inductor 8 like this, but is installed in such as Fig. 2 on the fuel tank cap of top of oil-tank.Low-voltage current mutual inductor 8 installation sites move to fuel tank internal from the fuel tank outside, and this mounting means both can prolong the useful life of current transformer 8 and can save current transformer 8 install bins 10, had reduced material cost.Low-tension bushing 3 positions move to fuel tank cap from oil tank wall in addition, and this mounting means namely can save oil tank wall perforate and the case lid of Fig. 3 and open hand hole 9, also can reduce the leakage of oil point, make transformer operation safety and reliability.
The 4th, because the low-voltage current mutual inductor 8 of capacitance-adjustable transformer of the present invention is installed in fuel tank internal, the control circuit of low voltage mutual inductor leads to the capacitance switch controller by connecting terminal box 4, controls in real time the connection group that the loaded capacity-regulated switch of three-phase is adjusted transformer by the size of monitoring three-phase current.
At last, because bushing 2 and the low-tension bushing 3 of capacitance-adjustable transformer of the present invention all are installed in the transformer top, the high-low pressure cable all can access from the top, and convenient construction connects electrical network.
The emphasis of capacitance-adjustable transformer of the present invention innovation is to have saved the erection unit parts, has reduced volume, has realized that production cost reduction, fitting operation are simple and convenient, reduced recessive scarce limit to make operation more safe and reliable.This invention can under loading condition, be large capacity or low capacity thereby automatically change transformer connecting mode adjustment transformer according to load variations.During high load capacity, automatically be adjusted into large capacity, security of operation; Transfer to low capacity no-load loss during underload and reduce, energy-saving effect is remarkable.Mainly be applicable to seaonal load or cyclic load and change the places such as large rural area, downtown, industrial area, residential quarter.
More than be to specify of the present invention, this programme not only is confined among the above embodiment, all will fall in the protection range of the present invention for any change of making under this programme inventive concept.
Claims (1)
1. novel capacitance-adjustable transformer, it is characterized in that, comprise the loaded capacity-regulated switch of three-phase (1) and be arranged on three-phase the on-off controller (14) that carries on the empty switch of accent (1) is arranged, bushing (2), low-tension bushing (3), terminal board (4), high-voltage tap changer (5), coil (6), (7) unshakable in one's determination, low-voltage current mutual inductor (8), fuel tank (11), corrugated plate (12) and pipe type oil-level gauge (13), wherein said coil (6), (7) unshakable in one's determination connect by electromagnetic induction, coil (6), the loaded capacity-regulated switch of three-phase (1), bushing (2), low-tension bushing (3), high-voltage tap changer (5) connects by copper stranded conductor, low-voltage current mutual inductor (8), coil (6) low-voltage bus bar connects by electromagnetic induction, on-off controller (14), terminal board (4), low-voltage current mutual inductor (8) connects by wire, fuel tank (11), corrugated plate (12) is welded to connect, bushing (2), low-tension bushing (3), line terminals box (4), high-voltage tap changer (5) and pipe type oil-level gauge (13) are bolted with fuel tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100153939A CN103077812A (en) | 2013-01-16 | 2013-01-16 | Novel capacity regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100153939A CN103077812A (en) | 2013-01-16 | 2013-01-16 | Novel capacity regulating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103077812A true CN103077812A (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100153939A Pending CN103077812A (en) | 2013-01-16 | 2013-01-16 | Novel capacity regulating transformer |
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| CN (1) | CN103077812A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700997A (en) * | 2015-03-24 | 2015-06-10 | 中铁电气工业有限公司保定铁道变压器分公司 | Multistage capacity-regulating traction transformer |
| CN104733157A (en) * | 2015-03-30 | 2015-06-24 | 国家电网公司 | Simple installation structure of current transformer of transformer and installation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109622U (en) * | 1991-11-06 | 1992-07-08 | 山东省茌平县轻工机械厂 | On-load automatic capacity adjusting transformer |
| CN200944344Y (en) * | 2006-08-29 | 2007-09-05 | 山东达驰电气股份有限公司 | On-load regulating capacitor transformer |
| CN200947379Y (en) * | 2006-08-29 | 2007-09-12 | 山东达驰电气股份有限公司 | On-load regulating capacitor combined type transformer |
| CN201430069Y (en) * | 2009-08-13 | 2010-03-24 | 大庆玉博电气设备制造有限公司 | Efficient and energy-saving transformer |
| CN202189664U (en) * | 2011-09-08 | 2012-04-11 | 北京博瑞莱智能科技有限公司 | Automatic capacity regulating voltage adjusting distribution transformer |
| CN203070905U (en) * | 2013-01-16 | 2013-07-17 | 陕西四方华能电气设备有限公司 | Novel capacitance-adjusting transformer |
-
2013
- 2013-01-16 CN CN2013100153939A patent/CN103077812A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109622U (en) * | 1991-11-06 | 1992-07-08 | 山东省茌平县轻工机械厂 | On-load automatic capacity adjusting transformer |
| CN200944344Y (en) * | 2006-08-29 | 2007-09-05 | 山东达驰电气股份有限公司 | On-load regulating capacitor transformer |
| CN200947379Y (en) * | 2006-08-29 | 2007-09-12 | 山东达驰电气股份有限公司 | On-load regulating capacitor combined type transformer |
| CN201430069Y (en) * | 2009-08-13 | 2010-03-24 | 大庆玉博电气设备制造有限公司 | Efficient and energy-saving transformer |
| CN202189664U (en) * | 2011-09-08 | 2012-04-11 | 北京博瑞莱智能科技有限公司 | Automatic capacity regulating voltage adjusting distribution transformer |
| CN203070905U (en) * | 2013-01-16 | 2013-07-17 | 陕西四方华能电气设备有限公司 | Novel capacitance-adjusting transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700997A (en) * | 2015-03-24 | 2015-06-10 | 中铁电气工业有限公司保定铁道变压器分公司 | Multistage capacity-regulating traction transformer |
| CN104733157A (en) * | 2015-03-30 | 2015-06-24 | 国家电网公司 | Simple installation structure of current transformer of transformer and installation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Yanfeng Inventor before: Xi Mengmeng Inventor before: Fan Yanfeng |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130501 |
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| RJ01 | Rejection of invention patent application after publication |