CN202103582U - Parallel variable-frequency boosting power supply device without partial discharge - Google Patents
Parallel variable-frequency boosting power supply device without partial discharge Download PDFInfo
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- CN202103582U CN202103582U CN2011202312334U CN201120231233U CN202103582U CN 202103582 U CN202103582 U CN 202103582U CN 2011202312334 U CN2011202312334 U CN 2011202312334U CN 201120231233 U CN201120231233 U CN 201120231233U CN 202103582 U CN202103582 U CN 202103582U
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- power supply
- frequency power
- variable
- partial discharge
- parallel
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Abstract
The utility model relates to a parallel variable-frequency boosting power supply device without partial discharge, which comprises a master variable-frequency power supply, a slave variable-frequency power supply, a control box and an exciting transformer, wherein the master variable-frequency power supply and the slave variable-frequency power supply are arranged in parallel and respectively connected with the control box; the master variable-frequency power supply and the slave variable-frequency power supply are respectively connected with an input side winding of the exciting transformer; and the number of turns of the input side winding of the exciting transformer is smaller than that of the output side winding of the exciting transformer. By adopting the scheme that the power stack is realized by the original variable-frequency power supply without partial discharge, the problem of no superhigh-power variable-frequency power supply without partial discharge is solved; the power supply device can be used independently in conventional test, the size is small, and the transportation and carrying are convenient; the utilization ratio of the device can be greatly improved; and the direct parallel operation of the output ends of two variable-frequency power supplies without partial discharge can be avoided, however, the unnecessary power loss is caused by backflow due to inconsistent parameters of the two power supplies, and even the variable-frequency power supplies are damaged.
Description
Technical field
The utility model relates to a kind of supply unit, relates in particular to a kind of parallel no partial discharge frequency conversion boosting power device, belongs to the power-supply device technical field.
Background technology
Development along with power industry; Electric pressure and capacity that electric power is carried are increasingly high big more; Therefore transformer voltage grade, the capacity in transformer station, the current conversion station is also increasing; Be applied to its power of variable frequency power supply to its test mutually and also require increasingly, the variable frequency power supply of separate unit power output 400KW and 450KW can't satisfy their test to those high-power transformers, therefore take with variable frequency power supply to form shunting means be the best of addressing this problem at present by way of.
The utility model content
The technical problem that the utility model will solve provides a kind of parallel no partial discharge frequency conversion boosting power device.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of parallel no partial discharge frequency conversion boosting power device comprises the main transformer frequency power, from variable frequency power supply, control cabinet, excitation transformer; Said main transformer frequency power, be set up in parallel from variable frequency power supply; Said main transformer frequency power, be connected with said control cabinet respectively from variable frequency power supply; Said main transformer frequency power, be connected with the coiling of the input side of excitation transformer respectively from variable frequency power supply; The input side number of turns of said excitation transformer is less than the outlet side number of turns of excitation transformer.
Preferably, the output of said excitation transformer has only one group of coiling.
Preferably, the output of said excitation transformer has 2 groups of coilings; Said 2 groups of coilings are connected in series.
Preferably, the output of said excitation transformer has many group coilings; Said many group coilings are connected in series.
Technique scheme has following beneficial effect: the described parallel no partial discharge frequency conversion boosting power device of the utility model; Can utilize original no partial discharge frequency conversion power supply to realize the power stack, the one, solve the problem that does not have superpower no partial discharge frequency conversion power supply at present; The 2nd, can distinguish unit when doing routine test at ordinary times and use, volume is little, transports, carries more convenient; The 3rd, can improve utilization rate of equipment and installations greatly; The 4th, avoided two direct parallel operation of no partial discharge frequency conversion power output end, and two power supplys can not the backflow that produce in full accord cause unnecessary power loss owing to parameter, even cause the damage of variable frequency power supply.
Description of drawings
Fig. 1 is single excitation transformer parallel operation scheme wiring schematic diagram of the utility model;
Fig. 2 is two excitation transformer parallel operation scheme wiring schematic diagrams of the utility model;
Embodiment
Below in conjunction with accompanying drawing the utility model is carried out detailed explanation.
Embodiment one:
Accompanying drawing 1 is the described a kind of parallel no partial discharge frequency conversion boosting power device of the utility model, comprises the main transformer frequency power, from variable frequency power supply, control cabinet, excitation transformer; Said main transformer frequency power, be set up in parallel from variable frequency power supply; Said main transformer frequency power, be connected with said control cabinet respectively from variable frequency power supply; Said main transformer frequency power, be connected with the coiling of the input side of excitation transformer respectively from variable frequency power supply; The input side number of turns of said excitation transformer is less than the outlet side number of turns of excitation transformer; The output of said excitation transformer has only one group of coiling.
Embodiment two
Accompanying drawing 2 is the described a kind of parallel no partial discharge frequency conversion boosting power device of the utility model, comprises the main transformer frequency power, from variable frequency power supply, control cabinet, excitation transformer; Said main transformer frequency power, be set up in parallel from variable frequency power supply; Said main transformer frequency power, be connected with said control cabinet respectively from variable frequency power supply; Said main transformer frequency power, be connected with the coiling of the input side of excitation transformer respectively from variable frequency power supply; The input side number of turns of said excitation transformer is less than the outlet side number of turns of excitation transformer; The output of said excitation transformer has 2 groups of coilings; Said 2 groups of coilings are connected in series.
Certainly, the output of said excitation transformer also can have many group coilings; Said many group coilings are connected in series.
Technique scheme has following beneficial effect: the described parallel no partial discharge frequency conversion boosting power device of the utility model; Can utilize original no partial discharge frequency conversion power supply to realize the power stack, the one, solve the problem that does not have superpower no partial discharge frequency conversion power supply at present; The 2nd, can distinguish unit when doing routine test at ordinary times and use, volume is little, transports, carries more convenient; The 3rd, can improve utilization rate of equipment and installations greatly; The 4th, avoided two direct parallel operation of no partial discharge frequency conversion power output end, and two power supplys can not the backflow that produce in full accord cause unnecessary power loss owing to parameter, even cause the damage of variable frequency power supply.
Below only be the concrete exemplary applications of the utility model, the protection range of the utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.
Claims (4)
1. parallel no partial discharge frequency conversion boosting power device is characterized in that: comprise the main transformer frequency power, from variable frequency power supply, control cabinet, excitation transformer; Said main transformer frequency power, be set up in parallel from variable frequency power supply; Said main transformer frequency power, be connected with said control cabinet respectively from variable frequency power supply; Said main transformer frequency power, be connected with the coiling of the input side of excitation transformer respectively from variable frequency power supply; The input side number of turns of said excitation transformer is less than the outlet side number of turns of excitation transformer.
2. parallel no partial discharge frequency conversion boosting power device according to claim 1, it is characterized in that: the output of said excitation transformer has only one group of coiling.
3. parallel no partial discharge frequency conversion boosting power device according to claim 1, it is characterized in that: the output of said excitation transformer has 2 groups of coilings; Said 2 groups of coilings are connected in series.
4. parallel no partial discharge frequency conversion boosting power device according to claim 1 is characterized in that: the output of said excitation transformer has many group coilings; Said many group coilings are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202312334U CN202103582U (en) | 2011-07-01 | 2011-07-01 | Parallel variable-frequency boosting power supply device without partial discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202312334U CN202103582U (en) | 2011-07-01 | 2011-07-01 | Parallel variable-frequency boosting power supply device without partial discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103582U true CN202103582U (en) | 2012-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202312334U Expired - Lifetime CN202103582U (en) | 2011-07-01 | 2011-07-01 | Parallel variable-frequency boosting power supply device without partial discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983754A (en) * | 2012-12-27 | 2013-03-20 | 思源电气股份有限公司 | Parallel variable frequency power supply for high power and high voltage test |
| CN103499779A (en) * | 2013-10-17 | 2014-01-08 | 国家电网公司 | UHV (Ultra High Voltage) transformer field variable frequency partial discharge test device |
-
2011
- 2011-07-01 CN CN2011202312334U patent/CN202103582U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983754A (en) * | 2012-12-27 | 2013-03-20 | 思源电气股份有限公司 | Parallel variable frequency power supply for high power and high voltage test |
| CN103499779A (en) * | 2013-10-17 | 2014-01-08 | 国家电网公司 | UHV (Ultra High Voltage) transformer field variable frequency partial discharge test device |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |