CN104252959A - Energy-saving on-load capacity regulating transformer and intelligent high and low capacity switching method thereof - Google Patents
Energy-saving on-load capacity regulating transformer and intelligent high and low capacity switching method thereof Download PDFInfo
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- CN104252959A CN104252959A CN201410476721.XA CN201410476721A CN104252959A CN 104252959 A CN104252959 A CN 104252959A CN 201410476721 A CN201410476721 A CN 201410476721A CN 104252959 A CN104252959 A CN 104252959A
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Abstract
The invention discloses an intelligent high and low capacity switching method of an energy-saving on-load capacity regulating transformer. The method includes that an on-load capacity regulating switch is regulated through an intelligent control device, the intelligent control device sends a corresponding regulation and control command to the on-load capacity regulating switch if set conditions are satisfied by monitoring current and present load size of the low-voltage side of the transformer and judging correlated constraint conditions according to a capacity setting value, the on-load load regulating switch is turned on and off according to the control command to complete star and angle transformation and serial and parallel conversion of a high-voltage coil and a low-voltage coil inside the transformer, and the transformer capacity regulating process is completed without power outage. The on-load capacity regulating switch is regulated through the intelligent control device, flexibility in switching and convenience in use are realized, switching of high and low capacity of the transformer is completed without power outage, online simulation test and automatic load change switching test prove that power-saving amount exceeds that of no-load capacity regulating, and high practical value and market application prospect are achieved.
Description
Technical field:
The present invention relates to a kind of energy-saving loaded capacity-regulated transformer, particularly relate to a kind of intelligent switch method of energy-saving loaded capacity-regulated transformer high low capacity, by intelligent controlling device, loaded capacity-regulated switch is adjusted, thus complete the handoff procedure of the high and low capacity of transformer.
Background technology:
No-load capacitance-regulating transformer is applicable to seasonal load, gear shift can reduce capacity, reduce the core loss of transformer, have obvious power savings, but because need manual switching that have a power failure, limit its scope of application when empty (or light) carries.Loaded capacity-regulated transformer is the energy-saving distribution transformer of a kind of new technology, it mainly contains transformer, loaded capacity-regulated switch and controller three parts composition, capacitance-adjustable transformer is that one has size two capacity, and can carry out according to payload the distribution transformer that adjusts, its main design thought is: Three-Phase Transformer high pressure winding is connected into triangle (D) when Large Copacity, low capacity is star-like (Y), every phase low pressure winding is made up of three parts, one is minority wire turn part (I section), the line segment of most wire turns is in addition by two groups of wires and around forming two parts (II, III section).During Large Copacity, II, III section of parallel connection is connected with I section again, I, II, III section of all series connection during low capacity.(see figure 1) is when Large Copacity is adjusted to low capacity, and low pressure umber of turn increases, and high pressure winding becomes Y connection simultaneously, and phase voltage reduces, and the number of turn increases, and the multiple reduced with voltage is suitable, can ensure that output voltage is constant.The change of high pressure winding connection, the conversion of low pressure winding series and parallel and the adjustment of each decomposition unit separation structure and material all can affect energy-efficient performance and the energy-saving effect of loaded capacity-regulated transformer.
Summary of the invention:
Technical problem to be solved by this invention is: the intelligent switch method providing a kind of energy-saving loaded capacity-regulated transformer and high low capacity thereof, is adjusted loaded capacity-regulated switch by intelligent controlling device, thus completes the handoff procedure of the high and low capacity of transformer.
The technical scheme that the present invention takes for technical solution problem is:
A kind of energy-saving loaded capacity-regulated transformer, comprise transformer body and loaded capacity-regulated switch, described transformer body upper end is provided with outlet column, surrounding is provided with radiate heat and ventilate hole, described transformer body one side is provided with the accommodation chamber that level is outstanding laterally, described loaded capacity-regulated switch is arranged in described accommodation chamber, described loaded capacity-regulated switch upper end is provided with intelligent controlling device, and described accommodation chamber top is provided with protective cover, and described outlet column is provided with lightning arrester.
The intelligent switch method of described energy-saving loaded capacity-regulated transformer high low capacity, by intelligent controlling device, loaded capacity-regulated switch is adjusted, its concrete grammar is as follows: described intelligent controlling device is by monitoring electric current and the current loads size of step down side, related constraint condition is judged according to capacity setting value, meet and impose a condition, send corresponding regulable control order to loaded capacity-regulated switch, loaded capacity-regulated switch is according to the reliable opening and closing movement of control command, complete inside transformer high, the star of low-voltage coil, angular transformation and string, conversion in parallel, do not needing under the state had a power failure, complete transformer capacity adjustment process.
Described intelligent controlling device is made up of transistor circuit and electromagnetic relay, and step down side is provided with current transformer, takes out load current information, becomes direct current information; If all exceed within a period of time or lower than critical amplitude with regard to engage relay, the closing of contact connect single-phase motor, make it forward or reverse, drive loaded capacity-regulated switching over gear.
Described intelligent controlling device also connects long-pending clock when Large Copacity shelves, and accumulative Large Copacity shelves running time is so that computed losses and the electricity charge.
Described intelligent controlling device inside is also provided with can the overload protecting circuit of automatic trip, for preventing the misoperation of loaded capacity-regulated switch, takes controller electronic circuit interlock protection, relay contact interlock protection, switch limit point input signal interlock protection.
The energy-saving loaded capacity-regulated transformer of the present invention is automatically switched by on-line simulation test and load variations and tests, and switch flexibly, easy to use, amount of electricity saving exceedes no-load capacity transfer, has good practical value and market application foreground.
The present invention is adjusted loaded capacity-regulated switch by intelligent controlling device, just the handoff procedure of the high and low capacity of transformer can be completed when without the need to having a power failure, simple to operate, easy to use, energy-saving effect is remarkable, has practicality preferably to the electricity consumption situation of rural power grids.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the functional-block diagram that intelligent controlling device regulates automatically to loaded capacity-regulated switch.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is made further explanation and description:
Embodiment 1: see Fig. 1, a kind of energy-saving loaded capacity-regulated transformer, comprise transformer body 1 and loaded capacity-regulated switch 4, transformer body 1 upper end is provided with outlet column 7, surrounding is provided with radiate heat and ventilate hole 2, transformer body 1 one side is provided with the accommodation chamber 3 that level is outstanding laterally, loaded capacity-regulated switch 4 is arranged in described accommodation chamber 3, loaded capacity-regulated switch 4 upper end is provided with intelligent controlling device 5, accommodation chamber 3 top is provided with protective cover 6, outlet column 7 is provided with lightning arrester.
The present invention is automatically switched by on-line simulation test and load variations and is tested, and switch flexibly, easy to use, amount of electricity saving exceedes no-load capacity transfer, has good practical value and market application foreground.
Embodiment 2: see Fig. 2, a kind of intelligent switch method of energy-saving loaded capacity-regulated transformer high low capacity, by intelligent controlling device, loaded capacity-regulated switch is adjusted, its concrete grammar is as follows: described intelligent controlling device is by monitoring electric current and the current loads size of step down side, related constraint condition is judged according to capacity setting value, meet and impose a condition, send corresponding regulable control order to loaded capacity-regulated switch, loaded capacity-regulated switch is according to the reliable opening and closing movement of control command, complete inside transformer high, the star of low-voltage coil, angular transformation and string, conversion in parallel, do not needing under the state had a power failure, complete transformer capacity adjustment process.
Described intelligent controlling device 5 is made up of transistor circuit and electromagnetic relay, and step down side is provided with current transformer, takes out load current information, becomes direct current information; If all exceed within a period of time or lower than critical amplitude with regard to engage relay, the closing of contact connect single-phase motor, make it forward or reverse, drive loaded capacity-regulated switching over gear.
Described intelligent controlling device also connects long-pending clock when Large Copacity shelves, and accumulative Large Copacity shelves running time is so that computed losses and the electricity charge.
Described intelligent controlling device 5 inside is also provided with can the overload protecting circuit of automatic trip; for preventing the misoperation of loaded capacity-regulated switch 4, take controller electronic circuit interlock protection, relay contact interlock protection, switch limit point input signal interlock protection.
The present invention is adjusted loaded capacity-regulated switch 4 by intelligent controlling device 5, just the handoff procedure of the high and low capacity of transformer can be completed when without the need to having a power failure, simple to operate, easy to use, energy-saving effect is remarkable, has practicality preferably to the electricity consumption situation of rural power grids.
Claims (5)
1. an energy-saving loaded capacity-regulated transformer, comprise transformer body (1) and loaded capacity-regulated switch (4), it is characterized in that: described transformer body (1) upper end is provided with outlet column (7), surrounding is provided with radiate heat and ventilate hole (2), described transformer body (1) side is provided with the accommodation chamber (3) that level is outstanding laterally, described loaded capacity-regulated switch (4) is arranged in described accommodation chamber (3), described loaded capacity-regulated switch (4) upper end is provided with intelligent controlling device (5), described accommodation chamber (3) top is provided with protective cover (6), (7) are provided with lightning arrester to described outlet column.
2. the intelligent switch method of energy-saving loaded capacity-regulated transformer high low capacity according to claim 1, by intelligent controlling device (5), loaded capacity-regulated switch (4) is adjusted, its concrete grammar is as follows: described intelligent controlling device (5) is by monitoring electric current and the current loads size of step down side, related constraint condition is judged according to capacity setting value, meet and impose a condition, send corresponding regulable control order to loaded capacity-regulated switch (4), loaded capacity-regulated switch (4) is according to the reliable opening and closing movement of control command, complete inside transformer high, the star of low-voltage coil, angular transformation and string, conversion in parallel, do not needing under the state had a power failure, complete transformer capacity adjustment process.
3. the intelligent switch method of energy-saving loaded capacity-regulated transformer high low capacity according to claim 2, it is characterized in that: described intelligent controlling device (5) is made up of transistor circuit and electromagnetic relay, step down side is provided with current transformer, take out load current information, become direct current information; If all exceed within a period of time or lower than critical amplitude with regard to engage relay, the closing of contact connect single-phase motor, make it forward or reverse, drive loaded capacity-regulated switch (4) switch gear.
4. the intelligent switch method of energy-saving loaded capacity-regulated transformer high low capacity according to claim 3, it is characterized in that: described intelligent controlling device (5) also connects long-pending clock when Large Copacity shelves, accumulative Large Copacity shelves running time is so that computed losses and the electricity charge.
5. the intelligent switch method of energy-saving loaded capacity-regulated transformer high low capacity according to claim 4; it is characterized in that: described intelligent controlling device (5) inside is also provided with can the overload protecting circuit of automatic trip; for preventing the misoperation of loaded capacity-regulated switch (4), take controller electronic circuit interlock protection, relay contact interlock protection, switch limit point input signal interlock protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476721.XA CN104252959A (en) | 2014-09-18 | 2014-09-18 | Energy-saving on-load capacity regulating transformer and intelligent high and low capacity switching method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410476721.XA CN104252959A (en) | 2014-09-18 | 2014-09-18 | Energy-saving on-load capacity regulating transformer and intelligent high and low capacity switching method thereof |
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| CN104252959A true CN104252959A (en) | 2014-12-31 |
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| CN201410476721.XA Pending CN104252959A (en) | 2014-09-18 | 2014-09-18 | Energy-saving on-load capacity regulating transformer and intelligent high and low capacity switching method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158310A (en) * | 2016-08-31 | 2016-11-23 | 浙江恒朗电气有限公司 | A kind of loaded capacity-regulated transformer saving the energy |
| CN106449063A (en) * | 2016-11-17 | 2017-02-22 | 国网新疆电力公司和田供电公司 | On-load capacity-adjusting transformer good in heat dissipation and convenient to control |
| CN106710846A (en) * | 2016-11-17 | 2017-05-24 | 国网新疆电力公司和田供电公司 | On-load capacity regulating transformer which has good energy-saving effect and achieves remote monitoring |
| CN107762818A (en) * | 2017-11-06 | 2018-03-06 | 郑州华力信息技术有限公司 | Electric power tunnel can locally and remote control double water pump switching control |
| CN108736360A (en) * | 2017-04-18 | 2018-11-02 | 北京南瑞电研华源电力技术有限公司 | A kind of integration loaded capacity regulating voltage regulating power distribution station |
| CN111681861A (en) * | 2020-06-19 | 2020-09-18 | 山东电力设备有限公司 | Low-voltage coil structure for double-voltage star-delta conversion and split transformer thereof |
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| 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 |
| CN201230299Y (en) * | 2008-07-14 | 2009-04-29 | 邵长青 | Combination type multi-stage loaded capacity regulating box type transformer plant |
| CN202159568U (en) * | 2011-04-27 | 2012-03-07 | 中国电力科学研究院 | Three-level on-load adjusting capacity distribution transformer |
| CN103268815A (en) * | 2013-05-20 | 2013-08-28 | 南阳市鑫特电气有限公司 | On-load voltage and capacitance regulated transformer |
| CN203300413U (en) * | 2013-05-20 | 2013-11-20 | 南阳市鑫特电气有限公司 | On-load capacity-regulating transformer |
| CN203491073U (en) * | 2013-09-04 | 2014-03-19 | 国家电网公司 | On-load capacity regulating transformer |
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Patent Citations (6)
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| 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 |
| CN201230299Y (en) * | 2008-07-14 | 2009-04-29 | 邵长青 | Combination type multi-stage loaded capacity regulating box type transformer plant |
| CN202159568U (en) * | 2011-04-27 | 2012-03-07 | 中国电力科学研究院 | Three-level on-load adjusting capacity distribution transformer |
| CN103268815A (en) * | 2013-05-20 | 2013-08-28 | 南阳市鑫特电气有限公司 | On-load voltage and capacitance regulated transformer |
| CN203300413U (en) * | 2013-05-20 | 2013-11-20 | 南阳市鑫特电气有限公司 | On-load capacity-regulating transformer |
| CN203491073U (en) * | 2013-09-04 | 2014-03-19 | 国家电网公司 | On-load capacity regulating transformer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158310A (en) * | 2016-08-31 | 2016-11-23 | 浙江恒朗电气有限公司 | A kind of loaded capacity-regulated transformer saving the energy |
| CN106449063A (en) * | 2016-11-17 | 2017-02-22 | 国网新疆电力公司和田供电公司 | On-load capacity-adjusting transformer good in heat dissipation and convenient to control |
| CN106710846A (en) * | 2016-11-17 | 2017-05-24 | 国网新疆电力公司和田供电公司 | On-load capacity regulating transformer which has good energy-saving effect and achieves remote monitoring |
| CN108736360A (en) * | 2017-04-18 | 2018-11-02 | 北京南瑞电研华源电力技术有限公司 | A kind of integration loaded capacity regulating voltage regulating power distribution station |
| CN107762818A (en) * | 2017-11-06 | 2018-03-06 | 郑州华力信息技术有限公司 | Electric power tunnel can locally and remote control double water pump switching control |
| CN107762818B (en) * | 2017-11-06 | 2023-10-27 | 郑州祥和集团有限公司 | Dual-water pump switching control device capable of being controlled locally and remotely for electric power tunnel |
| CN111681861A (en) * | 2020-06-19 | 2020-09-18 | 山东电力设备有限公司 | Low-voltage coil structure for double-voltage star-delta conversion and split transformer thereof |
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Application publication date: 20141231 |
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