CN103344832B - A kind of transformer nuclear phase instrument and nuclear-phase method - Google Patents
A kind of transformer nuclear phase instrument and nuclear-phase method Download PDFInfo
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- CN103344832B CN103344832B CN201310264322.2A CN201310264322A CN103344832B CN 103344832 B CN103344832 B CN 103344832B CN 201310264322 A CN201310264322 A CN 201310264322A CN 103344832 B CN103344832 B CN 103344832B
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Abstract
The present invention relates to a kind of transformer nuclear phase instrument and nuclear-phase method, belong to power-supply unit technical field.Technical scheme is: power input (4) and 380V working power are connected to each other, power output end (5) is connected with needing the high-pressure side of nuclear phase two transformers, a transformer inputs (1) is connected to each other with the low-pressure side of a transformer, and the low-pressure side of No. two transformer inputs and No. two transformers is connected to each other; A transformer inputs connects a transformer voltage display unit (6) by a transformer voltage switch (8), and No. two transformer inputs (2) connect No. two transformer voltage display units (7) by No. two transformer voltage switchs (9).The invention has the beneficial effects as follows: easy and simple to handle, carry easily, safety coefficient is high, and with low cost, passes through, and introduces transformer voltage display and voltage switches, can complete transformer nuclear phase task smoothly, time saving and energy saving, greatly can shorten power off time.
Description
Technical field
The present invention relates to a kind of transformer nuclear phase instrument and nuclear-phase method, belong to power-supply unit technical field.
Background technology
At present, circuit after the circuit of new operation or change, newly to go into operation or transformer after overhaul and low voltage mutual inductor must carry out phase place, phase sequence checks use, can significantly increase work efficiency, reduce unsafe factor, if phase place or the different AC power of phase sequence are side by side or cyclization, to produce very large electric current, huge electric current can cause the damage of generator or electrical equipment.Because equipment is outmoded, in market, suitable nuclear phase instrument can not be buied, make originally very simply to work, but spend for a long time, incur loss through delay electric power feeding time, cause unnecessary loss.
Summary of the invention
The object of the invention is to provide a kind of transformer nuclear phase instrument and nuclear-phase method, introduces transformer voltage display device, switched voltage switch, and digitizing tablet display voltage is identical, then prove that two transformer gear are identical, solves the problems referred to above existed in background technology.
Technical scheme of the present invention is: a kind of transformer nuclear phase instrument, comprise a transformer inputs, No. two transformer inputs, power input, power output end, a transformer voltage display unit, No. two transformer voltage display units, a transformer voltage switch, No. two transformer voltage switchs and power control switch, described power input and 380V working power are connected to each other, power output end is connected with needing the high-pressure side of nuclear phase two transformers, the low-pressure side of a transformer inputs and a transformer is connected to each other, the low-pressure side of No. two transformer inputs and No. two transformers is connected to each other, a transformer inputs connects a transformer voltage display unit by a transformer voltage switch, No. two transformer inputs connect No. two transformer voltage display units by No. two transformer voltage switchs, and power control switch controls power output end.
A described transformer inputs comprises A, B, C connection terminal, and No. two transformer inputs comprise A, B, C connection terminal, and power input comprises A, B, C connection terminal; Described power output end comprises A, B, C connection terminal.
The present invention is also provided with equipment protection earthing device, is arranged between a transformer inputs and No. two transformer inputs.
A transformer voltage display unit of the present invention, No. two transformer voltage display units are known digital voltmeter; Transformer voltage switch, No. two transformer voltage switchs are known control switch.
A kind of nuclear-phase method of transformer, above-mentioned transformer nuclear phase instrument is adopted to carry out, two of nuclear phase transformers are needed to be respectively a transformer and No. two transformers, transformer nuclear phase instrument comprises a transformer inputs, equipment protection earthing device, No. two transformer inputs, power input, power output end, a transformer voltage display unit, No. two transformer voltage display units, a transformer voltage switch, No. two transformer voltage switchs and power control switch, described power input and 380V working power are connected to each other, power output end is connected with needing the high-pressure side of nuclear phase two transformers, the low-pressure side of a transformer inputs and a transformer is connected to each other, the low-pressure side of No. two transformer inputs and No. two transformers is connected to each other, a transformer inputs connects a transformer voltage display unit by a transformer voltage switch, No. two transformer inputs connect No. two transformer voltage display units by No. two transformer voltage switchs, and power control switch controls power output end, first the high voltage side of transformer of nuclear phase is needed to be connected to same power supply by power output end two, then the voltage of a transformer voltage display unit and No. two transformer voltage display units is observed, switch a transformer voltage switch and No. two transformer voltage switchs simultaneously, until a transformer voltage display unit is identical with the display voltage of No. two transformer voltage display units, then prove that a transformer voltage switch and No. two transformer voltage switchs are when this position, need two of nuclear phase transformer gear identical, on-state according to a transformer voltage switch and No. two transformer voltage switchs in this position, can judge now to need the phase sequence of two of nuclear phase transformers identical, if phase sequence is got wrong, correct according to this method and come, complete nuclear phase work.
The invention has the beneficial effects as follows: easy and simple to handle, carry easily, safety coefficient is high, and with low cost, passes through, and introduces transformer voltage display and voltage switches, can complete transformer nuclear phase task smoothly, time saving and energy saving, greatly can shorten power off time.
Accompanying drawing explanation
Fig. 1 is arrangenent diagram of the present invention;
Fig. 2 is schematic diagram of the present invention;
Fig. 3 is the voltage acquisition displaying principle figure of voltage switches of the present invention;
In figure: a transformer inputs 1; Equipment protection earthing device 2; No. two transformer inputs 3; Power input 4; Power output end 5; A transformer voltage display unit 6; No. two transformer voltage display units 7; A transformer voltage switch 8; No. two transformer voltage switchs 9; Power control switch 10.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
A kind of transformer nuclear phase instrument, comprise a transformer inputs 1, No. two transformer inputs 3, power input 4, power output end 5, a transformer voltage display unit 6, No. two transformer voltage display units 7, a transformer voltage switch 8, No. two transformer voltage switchs 9 and power control switch 10, described power input and 380V working power are connected to each other, power output end is connected with needing the high-pressure side of nuclear phase two transformers, the low-pressure side of a transformer inputs and a transformer is connected to each other, the low-pressure side of No. two transformer inputs and No. two transformers is connected to each other, a transformer inputs connects a transformer voltage display unit by a transformer voltage switch, No. two transformer inputs connect No. two transformer voltage display units by No. two transformer voltage switchs, and power control switch controls power output end.
A described transformer inputs comprises A, B, C connection terminal, and No. two transformer inputs comprise A, B, C connection terminal, and power input comprises A, B, C connection terminal; Described power output end comprises A, B, C connection terminal.
The present invention is also provided with equipment protection earthing device 2, is arranged between a transformer inputs and No. two transformer inputs.
A transformer voltage display unit of the present invention, No. two transformer voltage display units are known voltage table; Transformer voltage switch, No. two transformer voltage switchs are known control switch, figure 3 illustrates embodiment voltage switches wiring schematic diagram.
A kind of nuclear-phase method of transformer, above-mentioned transformer nuclear phase instrument is adopted to carry out, two of nuclear phase transformers are needed to be respectively a transformer and No. two transformers, transformer nuclear phase instrument comprises a transformer inputs, equipment protection earthing device, No. two transformer inputs, power input, power output end, a transformer voltage display unit, No. two transformer voltage display units, a transformer voltage switch, No. two transformer voltage switchs and power control switch, described power input and 380V working power are connected to each other, power output end is connected with needing the high-pressure side of nuclear phase two transformers, the low-pressure side of a transformer inputs and a transformer is connected to each other, the low-pressure side of No. two transformer inputs and No. two transformers is connected to each other, a transformer inputs connects a transformer voltage display unit by a transformer voltage switch, No. two transformer inputs connect No. two transformer voltage display units by No. two transformer voltage switchs, and power control switch controls power output end, first the high voltage side of transformer of nuclear phase is needed to be connected to same power supply by power output end two, then the voltage of a transformer voltage display unit and No. two transformer voltage display units is observed, switch a transformer voltage switch and No. two transformer voltage switchs simultaneously, until a transformer voltage display unit is identical with the display voltage of No. two transformer voltage display units, then prove that a transformer voltage switch and No. two transformer voltage switchs are when this position, need two of nuclear phase transformer gear identical, on-state according to a transformer voltage switch and No. two transformer voltage switchs in this position, can judge now to need the phase sequence of two of nuclear phase transformers identical, if phase sequence is confused, can corrects according to this method and come, complete nuclear phase work.
In process of the test; power input connects 380V working power, and power output end connects the high-pressure side needing nuclear phase transformer, and a transformer inputs 1 connects a step down side; No. two transformer inputs 3 connect No. two step down sides, equipment protection earthing device 2 ground connection.Start test, people's monitoring, one man operation.Switch a transformer voltage switch and No. two transformer voltage switchs, a transformer voltage display unit is identical with the digitizing tablet display voltage of No. two transformer voltage display units, then prove that two transformer gear are identical simultaneously.
Claims (4)
1. a transformer nuclear phase instrument, it is characterized in that: comprise a transformer inputs (1), No. two transformer inputs (3), power input (4), power output end (5), a transformer voltage display unit (6), No. two transformer voltage display units (7), a transformer voltage switch (8), No. two transformer voltage switchs (9) and power control switch (10), described power input and 380V working power are connected to each other, power output end is connected with needing the high-pressure side of nuclear phase two transformers, nuclear phase two transformers are needed to be respectively a transformer and No. two transformers, the high-pressure side of nuclear phase two transformers is needed to be connected to same power supply by power output end, the low-pressure side of a transformer inputs and a transformer is connected to each other, and the low-pressure side of No. two transformer inputs and No. two transformers is connected to each other, a transformer inputs connects a transformer voltage display unit by a transformer voltage switch, No. two transformer inputs connect No. two transformer voltage display units by No. two transformer voltage switchs, and power control switch controls power output end.
2. a kind of transformer nuclear phase instrument according to claim 1, is characterized in that: a described transformer inputs comprises A, B, C connection terminal, and No. two transformer inputs comprise A, B, C connection terminal, and power input comprises A, B, C connection terminal; Described power output end comprises A, B, C connection terminal.
3. a kind of transformer nuclear phase instrument according to claim 1 and 2, is characterized in that: be also provided with equipment protection earthing device (2), is arranged between a transformer inputs and No. two transformer inputs.
4. the nuclear-phase method of a transformer, it is characterized in that: adopt transformer nuclear phase instrument to carry out, two of nuclear phase transformers are needed to be respectively a transformer and No. two transformers, transformer nuclear phase instrument comprises a transformer inputs, equipment protection earthing device, No. two transformer inputs, power input, power output end, a transformer voltage display unit, No. two transformer voltage display units, a transformer voltage switch, No. two transformer voltage switchs and power control switch, described power input and 380V working power are connected to each other, power output end is connected with needing the high-pressure side of nuclear phase two transformers, the low-pressure side of a transformer inputs and a transformer is connected to each other, the low-pressure side of No. two transformer inputs and No. two transformers is connected to each other, a transformer inputs connects a transformer voltage display unit by a transformer voltage switch, No. two transformer inputs connect No. two transformer voltage display units by No. two transformer voltage switchs, and power control switch controls power output end, first the high voltage side of transformer of nuclear phase is needed to be connected to same power supply by power output end two, then the voltage of a transformer voltage display unit and No. two transformer voltage display units is observed, switch a transformer voltage switch and No. two transformer voltage switchs simultaneously, until a transformer voltage display unit is identical with the display voltage of No. two transformer voltage display units, then prove that a transformer voltage switch and No. two transformer voltage switchs are when this position, need two of nuclear phase transformer gear identical, on-state according to a transformer voltage switch and No. two transformer voltage switchs in this position, can judge now to need the phase sequence of two of nuclear phase transformers identical, if phase sequence is got wrong, correct according to this method and come, complete nuclear phase work.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310264322.2A CN103344832B (en) | 2013-06-28 | 2013-06-28 | A kind of transformer nuclear phase instrument and nuclear-phase method |
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| CN201310264322.2A CN103344832B (en) | 2013-06-28 | 2013-06-28 | A kind of transformer nuclear phase instrument and nuclear-phase method |
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| CN103344832A CN103344832A (en) | 2013-10-09 |
| CN103344832B true CN103344832B (en) | 2015-08-05 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104849574A (en) * | 2015-03-26 | 2015-08-19 | 国家电网公司 | Anti-induction electric phase sequence checking device for power transmission line |
| CN105510714A (en) * | 2015-12-18 | 2016-04-20 | 国家电网公司 | Intelligent substation pressure transmitter secondary automatic phase tester |
| CN105699773A (en) * | 2016-03-04 | 2016-06-22 | 国网山西省电力公司晋城供电公司 | Wireless low voltage phase-check instrument |
| CN107607802A (en) * | 2017-08-22 | 2018-01-19 | 国网山东省电力公司淄博供电公司 | Step down side high resistant phasing adjustement and measuring method |
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| CN2700890Y (en) * | 2003-09-26 | 2005-05-18 | 鞍山市融庭科技开发有限公司 | Nuclear phase instrument |
| CN201697974U (en) * | 2010-06-12 | 2011-01-05 | 重庆市电力公司教育培训中心 | Cable and wireless integral nuclear phase instrument |
| CN201876504U (en) * | 2010-12-02 | 2011-06-22 | 河南省电力公司安阳供电公司 | Nuclear phase handcart |
| CN202256512U (en) * | 2011-09-16 | 2012-05-30 | 王海燕 | Multifunctional phase check instrument |
| JP3176114U (en) * | 2012-03-28 | 2012-06-14 | 株式会社関電工 | Single-phase three-wire type / three-phase three-wire voltage / phase detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3930711B2 (en) * | 2001-08-27 | 2007-06-13 | 中国電力株式会社 | Phase detector |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2700890Y (en) * | 2003-09-26 | 2005-05-18 | 鞍山市融庭科技开发有限公司 | Nuclear phase instrument |
| CN201697974U (en) * | 2010-06-12 | 2011-01-05 | 重庆市电力公司教育培训中心 | Cable and wireless integral nuclear phase instrument |
| CN201876504U (en) * | 2010-12-02 | 2011-06-22 | 河南省电力公司安阳供电公司 | Nuclear phase handcart |
| CN202256512U (en) * | 2011-09-16 | 2012-05-30 | 王海燕 | Multifunctional phase check instrument |
| JP3176114U (en) * | 2012-03-28 | 2012-06-14 | 株式会社関電工 | Single-phase three-wire type / three-phase three-wire voltage / phase detector |
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