CN203299273U - Phase-checking instrument of transformer - Google Patents
Phase-checking instrument of transformer Download PDFInfo
- Publication number
- CN203299273U CN203299273U CN2013203775402U CN201320377540U CN203299273U CN 203299273 U CN203299273 U CN 203299273U CN 2013203775402 U CN2013203775402 U CN 2013203775402U CN 201320377540 U CN201320377540 U CN 201320377540U CN 203299273 U CN203299273 U CN 203299273U
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- transformer
- power supply
- phase
- transformer voltage
- voltage
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Abstract
The utility model relates to a phase-checking instrument of a transformer and belongs to the technical field of power supply equipment. The technical scheme is that the phase-checking instrument comprises a first transformer input terminal (1), an equipment protective earthing device (2), a second transformer input terminal (3), a power supply input terminal (4), a power supply output terminal (5), a first transformer voltage display unit (6), a second transformer voltage display unit (7), a first transformer voltage switching device (8), a second transformer voltage switching device (9) and a power supply control switch (10). The power supply input terminal (4) is connected with a 380 V working power supply, and the power supply output terminal (5) is connected with a high-voltage side of a transformer needing to be checked phase. The beneficial effects of the phase-checking instrument of the transformer are that: easy operation, easy carry, high safety factor and low cost; and by introducing the transformer voltage display device, checking phases of a transformer is smooth, time and labor are saved, and power interruption time can be shorted greatly.
Description
Technical field
The utility model relates to a kind of transformer nuclear phase instrument, belongs to the power-supply unit technical field.
Background technology
At present, transformer and low voltage mutual inductor after circuit after new circuit of going into operation or change, newly operation or overhaul must carry out phase place, phase sequence is checked use, can significantly increase work efficiency, reduce unsafe factor, if the AC power that phase place or phase sequence are different is arranged 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, can not buy suitable nuclear phase instrument in market, make and originally very simply work, but spend for a long time, incur loss through delay electric power feeding time, cause unnecessary loss.
The utility model content
The utility model purpose is to provide a kind of transformer nuclear phase instrument, introduces the transformer voltage display device, and switched voltage switch, digitizing tablet show that voltage is identical, prove that two transformer gears are identical, solve the problems referred to above that exist in background technology.
the technical solution of the utility model is: a kind of transformer nuclear phase instrument, comprise the transformer input end No. one, the equipment protection earthing device, No. two transformer input ends, 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 to each other with the high-pressure side that needs the nuclear phase transformer, the low-pressure side of a transformer input end and a transformer is connected to each other, the low-pressure side of No. two transformer input ends and No. two transformers is connected to each other.
A described transformer input end comprises A, B, C connection terminal, and No. one the transformer input end is connected successively with a transformer voltage switch, a transformer voltage display unit.
Described No. two transformer input ends comprise A, B, C connection terminal, and No. two the transformer input end is connected successively with No. two transformer voltage switchs, No. two transformer voltage display units.
Described power input comprises A, B, C connection terminal.
Described power output end comprises A, B, C connection terminal.
The beneficial effects of the utility model are: easy and simple to handle, to carry easily, and safety coefficient is high, and with low cost, by, introduce the transformer voltage display device, can complete smoothly transformer nuclear phase task, time saving and energy saving, can greatly shorten power off time.
Description of drawings
Fig. 1 is vertical view of the present utility model;
Fig. 2 is schematic diagram of the present utility model;
Fig. 3 is voltage acquisition schematic diagram of the present utility model;
In figure: a transformer input end 1; Equipment protection earthing device 2; No. two transformer input ends 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, the utility model is described in further detail by embodiment.
a kind of transformer nuclear phase instrument, comprise transformer input end 1 No. one, equipment protection earthing device 2, No. two transformer input ends 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 4 is connected to each other with the 380V working power, power output end 5 is connected to each other with the high-pressure side that needs the nuclear phase transformer, the low-pressure side of a transformer input end 1 and a transformer is connected to each other, the low-pressure side of No. two transformer input ends 3 and No. two transformers is connected to each other.
A described transformer input end 1 comprises A, B, C connection terminal, and No. one transformer input end 1 is connected successively with a transformer voltage switch 8, a transformer voltage display unit 6.
Described No. two transformer input ends 3 comprise A, B, C connection terminal, and No. two transformer input end 3 is connected successively with No. two transformer voltage switchs 9, No. two transformer voltage display units 7.
Described power input 4 comprises A, B, C connection terminal.
Described power output end 5 comprises A, B, C connection terminal.
In process of the test; power input 4 connects the 380V working power, and power output end 5 connects the high-pressure side that needs the nuclear phase transformer, and No. one transformer input end 1 connects a step down side; No. two transformer input end 3 connects No. two step down sides, equipment protection earthing device 2 ground connection.Start test, people's monitoring, one man operation.Switched voltage switch, digitizing tablet show that voltage is identical, prove that two transformer gears are identical.
Claims (5)
1. transformer nuclear phase instrument, it is characterized in that: comprise a transformer input end (1), equipment protection earthing device (2), No. two transformer input ends (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 (4) is connected to each other with the 380V working power, power output end (5) is connected to each other with the high-pressure side that needs the nuclear phase transformer, a transformer input end (1) is connected to each other with the low-pressure side of a transformer, No. two transformer input ends (3) are connected to each other with the low-pressure side of No. two transformers.
2. a kind of transformer nuclear phase instrument according to claim 1, it is characterized in that: a described transformer input end (1) comprises A, B, C connection terminal, and a transformer input end (1) is connected successively with a transformer voltage switch (8), a transformer voltage display unit (6).
3. a kind of transformer nuclear phase instrument according to claim 1, it is characterized in that: described No. two transformer input ends (3) comprise A, B, C connection terminal, and No. two transformer input ends (3) are connected successively with No. two transformer voltage switchs (9), No. two transformer voltage display units (7).
4. a kind of transformer nuclear phase instrument according to claim 1, it is characterized in that: described power input (4) comprises A, B, C connection terminal.
5. a kind of transformer nuclear phase instrument according to claim 1, it is characterized in that: described power output end (5) comprises A, B, C connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203775402U CN203299273U (en) | 2013-06-28 | 2013-06-28 | Phase-checking instrument of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203775402U CN203299273U (en) | 2013-06-28 | 2013-06-28 | Phase-checking instrument of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203299273U true CN203299273U (en) | 2013-11-20 |
Family
ID=49575278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203775402U Expired - Lifetime CN203299273U (en) | 2013-06-28 | 2013-06-28 | Phase-checking instrument of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203299273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521888A (en) * | 2020-05-07 | 2020-08-11 | 西安热工研究院有限公司 | High-voltage station bus power supply phase checking system and method |
-
2013
- 2013-06-28 CN CN2013203775402U patent/CN203299273U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521888A (en) * | 2020-05-07 | 2020-08-11 | 西安热工研究院有限公司 | High-voltage station bus power supply phase checking system and method |
| CN111521888B (en) * | 2020-05-07 | 2022-07-08 | 西安热工研究院有限公司 | High-voltage station bus power supply phase checking system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
|
| CX01 | Expiry of patent term |