CN203224523U - Wave-recorder used for generator leading phase tests and provided with switchable wires - Google Patents
Wave-recorder used for generator leading phase tests and provided with switchable wires Download PDFInfo
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- CN203224523U CN203224523U CN 201320157651 CN201320157651U CN203224523U CN 203224523 U CN203224523 U CN 203224523U CN 201320157651 CN201320157651 CN 201320157651 CN 201320157651 U CN201320157651 U CN 201320157651U CN 203224523 U CN203224523 U CN 203224523U
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- testing terminal
- disconnecting link
- phase voltage
- terminal
- star
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- 238000012360 testing method Methods 0.000 title claims abstract description 115
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 description 1
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Abstract
The utility model discloses a wave-recorder used for generator leading phase tests and provided with switchable wires, and solves the problems that in the prior art, processes before a leading phase test are complex and errors occur easily, and a star-shape connection mode and a triangle connection mode cannot be switched quickly. A transfer switch base (6) and an AC voltage terminal row (4) are arranged on a wave-recorder (1). Star-shape connection test terminal row (2) and triangle connection test terminal row (3) are arranged on the transfer switch base (6). A switch bottom base (5) is arranged between the star-shape connection test terminal row (2) and provided with triangle connection test terminal row (3). The wave-recorder used for generator leading phase tests and provided with switchable wires realizes quick switching between a star-shaped connection and a triangle connection, simplifies wiring process, effectively reduces probability of making errors, and improves work efficiency of a leading phase test.
Description
Technical field
The utility model relates to a kind of oscillograph, particularly advances the oscillograph of the employed changeable mode of connection in the phase study process at generator.
Background technology
It is to test generator from a kind of test of electrical network absorption reactive power capability that generator advances phase study, often needs to use oscillograph carry out record to waveforms such as voltage, electric currents in process of the test, then the record waveform is analyzed.Be provided with 12 connection terminals altogether on two alternating voltage terminal rows of oscillograph, be used for inserting the test lead of three-phase voltage.When making generator and advance phase study, need the three-phase voltage terminal tails is linked to each other, form the star-star connection mode, perhaps the three-phase voltage terminal is joined end to end, form the delta connection mode, just can carry out generator and advance the phase study test.And at the scene in the process of the test, when needs are converted to the delta connection mode to the star-star connection mode, need remove the former mode of connection, connect into the new mode of connection again, can't realize quick switching.Because this procedure of field staff is often made mistakes, and causes test normally to carry out.
Summary of the invention
The utility model provides a kind of and has advanced the oscillograph of the changeable mode of connection of phase study for generator, solved existing oscillograph before advancing phase study complex procedures, make mistakes easily, problem that star-star connection mode and delta connection mode can't be switched fast.
The utility model is to solve above technical matters by the following technical programs:
A kind of generator advances the oscillograph of the changeable mode of connection of phase study, comprise oscillograph, be respectively arranged with switch seat and alternating voltage terminal row at oscillograph, be respectively arranged with the testing terminal row of star-star connection and the testing terminal row of delta connection at the switch seat, between arranging with the testing terminal of delta connection, the testing terminal of star-star connection row is provided with switch pedestal, testing terminal row in star-star connection is respectively arranged with first testing terminal, second testing terminal, the 3rd testing terminal, the 4th testing terminal, the 5th testing terminal and the 6th testing terminal, with lead with second testing terminal, the 4th testing terminal and the 6th testing terminal are shorted together, testing terminal row at delta connection is respectively arranged with the 7th testing terminal, the 8th testing terminal, the 9th testing terminal, the tenth testing terminal, the 11 testing terminal and the 12 testing terminal, the 7th testing terminal is connected with lead with the 12 testing terminal, the 8th testing terminal is connected with lead with the 9th testing terminal, the tenth testing terminal is connected with lead with the 11 testing terminal, be respectively arranged with A phase voltage star disconnecting link contact in switch pedestal, B phase voltage star disconnecting link contact, C phase voltage star disconnecting link contact, A phase voltage triangle disconnecting link contact, B phase voltage triangle disconnecting link contact, C phase voltage triangle disconnecting link contact, A phase voltage disconnecting link, B phase voltage disconnecting link, C phase voltage disconnecting link, at A phase voltage disconnecting link, B phase voltage disconnecting link and C phase voltage disconnecting link are provided with three-phase voltage disconnecting link connecting rod, first testing terminal is connected with A phase voltage star disconnecting link contact, the 3rd testing terminal is connected with B phase voltage star disconnecting link contact, the 5th testing terminal is connected with C phase voltage star disconnecting link contact, the 7th testing terminal is connected with A phase voltage triangle disconnecting link contact, the 9th testing terminal is connected with B phase voltage triangle disconnecting link contact, the 11 testing terminal is connected with C phase voltage triangle disconnecting link contact, be respectively arranged with A cross streams voltage terminal at the alternating voltage terminal row, B cross streams voltage terminal and C cross streams voltage terminal, A cross streams voltage terminal is connected with A phase voltage disconnecting link, B cross streams voltage terminal is connected with B phase voltage disconnecting link, and C cross streams voltage terminal is connected with C phase voltage disconnecting link.
The utility model has been realized the quick switching of star connection and delta connection, has simplified the wiring operation, effectively reduces probability of errors, and has improved the work efficiency of advancing phase study.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of generator advances the oscillograph of the changeable mode of connection of phase study, comprise oscillograph 1, be respectively arranged with switch seat 6 and alternating voltage terminal row 4 at oscillograph 1, be respectively arranged with the testing terminal row 2 of star-star connection and the testing terminal row 3 of delta connection at switch seat 6, between arranging 3 with the testing terminal of delta connection, the testing terminal of star-star connection row 2 is provided with switch pedestal 5, testing terminal row 2 in star-star connection is respectively arranged with first testing terminal 7, second testing terminal 8, the 3rd testing terminal 9, the 4th testing terminal 10, the 5th testing terminal 11 and the 6th testing terminal 12, with lead with second testing terminal 8, the 4th testing terminal 10 and the 6th testing terminal 12 are shorted together, testing terminal row 3 at delta connection is respectively arranged with the 7th testing terminal 16, the 8th testing terminal 17, the 9th testing terminal 18, the tenth testing terminal 19, the 11 testing terminal 20 and the 12 testing terminal 21, the 7th testing terminal 16 is connected with the 12 testing terminal 21 usefulness leads, the 8th testing terminal 17 is connected with the 9th testing terminal 18 usefulness leads, the tenth testing terminal 19 is connected with the 11 testing terminal 20 usefulness leads, be respectively arranged with A phase voltage star disconnecting link contact 13 in switch pedestal 5, B phase voltage star disconnecting link contact 14, C phase voltage star disconnecting link contact 15, A phase voltage triangle disconnecting link contact 22, B phase voltage triangle disconnecting link contact 23, C phase voltage triangle disconnecting link contact 24, A phase voltage disconnecting link 29, B phase voltage disconnecting link 30, C phase voltage disconnecting link 31, at A phase voltage disconnecting link 29, B phase voltage disconnecting link 30 and C phase voltage disconnecting link 31 are provided with three-phase voltage disconnecting link connecting rod 28, first testing terminal 7 is connected with A phase voltage star disconnecting link contact 13, the 3rd testing terminal 9 is connected with B phase voltage star disconnecting link contact 14, the 5th testing terminal 11 is connected with C phase voltage star disconnecting link contact 15, the 7th testing terminal 16 is connected with A phase voltage triangle disconnecting link contact 22, the 9th testing terminal 18 is connected with B phase voltage triangle disconnecting link contact 23, the 11 testing terminal 20 is connected with C phase voltage triangle disconnecting link contact 24, be respectively arranged with A cross streams voltage terminal 25 at alternating voltage terminal row 4, B cross streams voltage terminal 26 and C cross streams voltage terminal 27, A cross streams voltage terminal 25 is connected with A phase voltage disconnecting link 29, B cross streams voltage terminal 26 is connected with B phase voltage disconnecting link 30, and C cross streams voltage terminal 27 is connected with C phase voltage disconnecting link 31.
Claims (1)
1. a generator advances the oscillograph of the changeable wiring of phase study, comprise oscillograph (1), be respectively arranged with switch seat (6) and alternating voltage terminal row (4) at oscillograph (1), be respectively arranged with the testing terminal row (2) of star-star connection and the testing terminal row (3) of delta connection at switch seat (6), arrange between (3) with the testing terminal of delta connection the testing terminal of star-star connection row (2) and to be provided with switch pedestal (5), testing terminal row (2) in star-star connection is respectively arranged with first testing terminal (7), second testing terminal (8), the 3rd testing terminal (9), the 4th testing terminal (10), the 5th testing terminal (11) and the 6th testing terminal (12), with lead with second testing terminal (8), the 4th testing terminal (10) and the 6th testing terminal (12) are shorted together, testing terminal row (3) at delta connection is respectively arranged with the 7th testing terminal (16), the 8th testing terminal (17), the 9th testing terminal (18), the tenth testing terminal (19), the 11 testing terminal (20) and the 12 testing terminal (21), the 7th testing terminal (16) is connected with lead with the 12 testing terminal (21), the 8th testing terminal (17) is connected with lead with the 9th testing terminal (18), the tenth testing terminal (19) is connected with lead with the 11 testing terminal (20), it is characterized in that, be respectively arranged with A phase voltage star disconnecting link contact (13) in switch pedestal (5), B phase voltage star disconnecting link contact (14), C phase voltage star disconnecting link contact (15), A phase voltage triangle disconnecting link contact (22), B phase voltage triangle disconnecting link contact (23), C phase voltage triangle disconnecting link contact (24), A phase voltage disconnecting link (29), B phase voltage disconnecting link (30), C phase voltage disconnecting link (31), at A phase voltage disconnecting link (29), B phase voltage disconnecting link (30) and C phase voltage disconnecting link (31) are provided with three-phase voltage disconnecting link connecting rod (28), first testing terminal (7) is connected with A phase voltage star disconnecting link contact (13), the 3rd testing terminal (9) is connected with B phase voltage star disconnecting link contact (14), the 5th testing terminal (11) is connected with C phase voltage star disconnecting link contact (15), the 7th testing terminal (16) is connected with A phase voltage triangle disconnecting link contact (22), the 9th testing terminal (18) is connected with B phase voltage triangle disconnecting link contact (23), the 11 testing terminal (20) is connected with C phase voltage triangle disconnecting link contact (24), be respectively arranged with A cross streams voltage terminal (25) at alternating voltage terminal row (4), B cross streams voltage terminal (26) and C cross streams voltage terminal (27), A cross streams voltage terminal (25) is connected with A phase voltage disconnecting link (29), B cross streams voltage terminal (26) is connected with B phase voltage disconnecting link (30), and C cross streams voltage terminal (27) is connected with C phase voltage disconnecting link (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157651 CN203224523U (en) | 2013-04-01 | 2013-04-01 | Wave-recorder used for generator leading phase tests and provided with switchable wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157651 CN203224523U (en) | 2013-04-01 | 2013-04-01 | Wave-recorder used for generator leading phase tests and provided with switchable wires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203224523U true CN203224523U (en) | 2013-10-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320157651 Expired - Fee Related CN203224523U (en) | 2013-04-01 | 2013-04-01 | Wave-recorder used for generator leading phase tests and provided with switchable wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203224523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044400A (en) * | 2015-08-20 | 2015-11-11 | 国家电网公司 | Grid-connected testing frequency signal wiring switching device and method for hydroelectric generating set speed regulator |
-
2013
- 2013-04-01 CN CN 201320157651 patent/CN203224523U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044400A (en) * | 2015-08-20 | 2015-11-11 | 国家电网公司 | Grid-connected testing frequency signal wiring switching device and method for hydroelectric generating set speed regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20180401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |