CN104833828A - Transformer test station one-time wiring apparatus - Google Patents
Transformer test station one-time wiring apparatus Download PDFInfo
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- CN104833828A CN104833828A CN201510244352.6A CN201510244352A CN104833828A CN 104833828 A CN104833828 A CN 104833828A CN 201510244352 A CN201510244352 A CN 201510244352A CN 104833828 A CN104833828 A CN 104833828A
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- transformer test
- transformer
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Abstract
The invention discloses a transformer test station one-time wiring apparatus. Through additional arrangement of a transformer test wiring auxiliary cabinet and a transformer test wiring cabinet, a zero load test, a load test, an induction voltage withstanding test, a DC resistance test and a variable ratio test of a tested transformer can be finished simply through wiring at a time, such that the work intensity of testers is reduced, the system efficiency and safety are greatly improved, instead of a conventional mode of back-and-forth modification of wiring for multiple times, the wiring can be realized at one time, during an experiment process, a system realizes automatic wire changing, and the apparatus makes it possible that the tests of the tested transformer can realize one-key operation.
Description
Technical field
The invention belongs to transformer test field, be specifically related to the disposable termination in a kind of transformer test station.
Background technology
The master control system at transformer test station is transformer synthesis control desk, transformer synthesis control desk mainly completes No-load Test of Transformer, load test, direct current resistance is tested, no-load voltage ratio is tested, part or all of in the large pilot project of induced over voltage withstand test and power frequency withstand test etc. six, except the test connection of no-load test and induced test meets transformer low voltage a in this six large pilot project, outside b, c are identical, the test connection of other test is not identical, (load test wiring is low pressure short circuit, test connection meets high pressure A, B, C; Straight resistance test connection need meet AB, BC, CA, ab/ao, bc/bo, ca/co respectively; Simultaneously no-load voltage ratio test meets A, B, C and a, b, c; During industrial frequency experiment, test connection is that high-low pressure all needs short circuit).Traditional test method does the no-load test of a three-phase transformer, load test, induced test, straight resistance test, no-load voltage ratio test is minimum need change the minimum need of wiring 9 times (unloaded and induced test 1 time, load test 1 time, no-load voltage ratio 1 time, straight resistance test 6 times).All test connections be all manually enter operation, not only have potential safety hazard and also workload large.
Summary of the invention
Object of the present invention is exactly for above-mentioned defect, there is provided a kind of transformer test station disposable termination, the no-load test of transformer preproduction, load test, induced over voltage withstand test, directly resistance test and no-load voltage ratio are tested and are only needed primary connection to complete, decrease the working strength of testing crew, substantially increase efficiency and the security of system.
For achieving the above object, the disposable termination in transformer test station involved in the present invention, comprise transformer test wiring auxiliary tank and transformer test wiring cabinet, described transformer test wiring auxiliary tank is electrically connected with described transformer test wiring cabinet by some control lines, some current sample lines and some voltage sample lines; The low-pressure side of tested transformer is connected with the low-voltage vacuum contactor KM14 of transformer test wiring cabinet, and the high-pressure side of tested transformer is connected with transformer test wiring cabinet high-pressure vacuum contactor KM13.
Further, described transformer test wiring auxiliary tank is electrically connected with unloaded main contactor KM7, load main contactor KM6, induction main contactor KM8, two are directly hindered main contactor KM9, KM10 and two no-load voltage ratio main contactor KM11, KM12, described unloaded main contactor KM7 and load main contactor KM6 is all connected with the mutual inductor of transformer test integrated control cabinet, described induction main contactor KM8 is connected with the frequency multiplication assembly of transformer test integrated control cabinet, described two are directly hindered main contactor KM9, KM10 is connected with two output terminals of the triple channel DC resistance meter of transformer test integrated control cabinet, two no-load voltage ratio main contactor KM11, KM12 is connected with two output terminals of the type full-automatic transformation ratio tester of transformer test integrated control cabinet, described load main contactor KM6, a straight resistance main contactor KM9 and no-load voltage ratio main contactor KM11 are all connected with high-pressure vacuum contactor KM13, described unloaded main contactor KM7, induction main contactor KM8, another directly hinders main contactor KM10 and another no-load voltage ratio main contactor KM12 is all connected with low-voltage vacuum contactor KM14, described low-voltage vacuum contactor KM14 end short circuit.
Further, the length that the wire of described low-voltage vacuum contactor KM14 output terminal reaches between tested transformer from described transformer test wiring cabinet is not more than 1.8m.
Further, described transformer test wiring auxiliary tank is arranged in described transformer test integrated control cabinet.
Further, described some control lines, some current sample lines and some voltage sample lines are fixed into one cable that mops floor by heat-shrink tube or adhesive tape.
Further, the bottom of described transformer test wiring cabinet is provided with moveable pulley.
Further, described transformer test wiring cabinet is placed in liftable go-cart.
Compared with prior art, the present invention has the following advantages: by increasing transformer test wiring auxiliary tank and transformer test wiring cabinet, the no-load test of tested transformer, load test, induced over voltage withstand test, directly resistance test and no-load voltage ratio are tested and are only needed primary connection to complete, decrease the working strength of testing crew, substantially increase efficiency and the security of system, make existingly repeatedly to change wiring back and forth and achieve and only need primary connection, the automatic thread-changing of system in experimentation, allows the test of tested transformer realize a key operation and becomes possibility.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the disposable termination in transformer test station of the present invention.
In figure, each part numbers is as follows: transformer test integrated control cabinet 1, transformer test wiring auxiliary tank 2, transformer test wiring cabinet 3, mutual inductor 4, frequency multiplication assembly 5, triple channel DC resistance meter 6, type full-automatic transformation ratio tester 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The disposable termination in transformer test station as shown in Figure 1, comprise transformer test wiring auxiliary tank 2 and transformer test wiring cabinet 3, transformer test wiring auxiliary tank 2 is electrically connected with transformer test wiring cabinet 3 by some control lines, some current sample lines and some voltage sample lines, and some control lines, some current sample lines and some voltage sample lines are fixed into one cable that mops floor by the web member such as heat-shrink tube or adhesive tape.
In process of the test, the low-pressure side of tested transformer is connected with the contactor KM14 (or vacuum contactor) of transformer connection cabinet 3, and the high-pressure side of tested transformer is connected with the high-pressure vacuum contactor KM13 (or electric isolating switch) of wiring cabinet 3.The length that the wire of low-voltage vacuum contactor KM14 output terminal reaches between tested transformer from transformer test wiring cabinet 3 is not more than 1.8m.
Transformer test wiring auxiliary tank 2 is electrically connected with unloaded main contactor KM7, load main contactor KM6, induction main contactor KM8, two are directly hindered main contactor KM9, KM10 and two no-load voltage ratio main contactor KM11, KM12, unloaded main contactor KM7 and load main contactor KM6 is all connected with the mutual inductor 4 of transformer test integrated control cabinet, induction main contactor KM8 is connected with the frequency multiplication assembly 5 of transformer test integrated control cabinet, two are directly hindered main contactor KM9, KM10 is connected with two output terminals of the triple channel DC resistance meter 6 of transformer test integrated control cabinet, two no-load voltage ratio main contactor KM11, KM12 is connected with two output terminals of the type full-automatic transformation ratio tester 7 of transformer test integrated control cabinet.Load main contactor KM6, a straight resistance main contactor KM9 and no-load voltage ratio main contactor KM11 are all connected with high-pressure vacuum contactor KM13, unloaded main contactor KM7, induction main contactor KM8, another directly hinders main contactor KM10 and another no-load voltage ratio main contactor KM12 is all connected with low-voltage vacuum contactor KM14, low-voltage vacuum contactor KM14 end short circuit.Certain transformer test wiring auxiliary tank 2 is arranged in described transformer test integrated control cabinet 1.
The bottom of transformer test wiring cabinet 3 of the present invention is provided with moveable pulley, or transformer test wiring cabinet 3 is placed in liftable go-cart, transformer test wiring cabinet 3 can be moved, and transformer test wiring auxiliary tank 2 maintains static, and can certainly be.
When tested transformer test will be carried out, transformer test wiring auxiliary tank 2 is motionless, transformer test wiring cabinet 3 moves to tested transformer place, the low-pressure side of tested transformer be connected with the contactor KM14 of transformer connection cabinet 3, the high-pressure side of tested transformer is connected with the high-pressure vacuum contactor KM13 of wiring cabinet 3.
Before on-test, all main contactors and switch are all normally opens.
During test, the control procedure of transformer test integrated control cabinet is as follows:
No-load test: close QF1-KM1-KM2-mutual inductor 4 and to close one grade of-KM7
Load test: close QF1-KM1-KM2-mutual inductor 4 and to close one grade of-KM6 and KM14
Induced test: close QF1-KM4-KM3-KM8
Straight resistance test: close QF1-QF2-KM9-KM10-KM13
No-load voltage ratio is tested: close QF1-QF2-KM11-KM12-KM13
The disposable termination in transformer test station of the present invention, by increasing transformer test wiring auxiliary tank and transformer test wiring cabinet, the no-load test of tested transformer, load test, induced over voltage withstand test, directly resistance test and no-load voltage ratio are tested and are only needed primary connection to complete, decrease the working strength of testing crew, substantially increase efficiency and the security of system, make existingly repeatedly to change wiring back and forth and achieve and only need primary connection, the automatic thread-changing of system in experimentation, allows the test of tested transformer realize a key operation and becomes possibility.
Claims (7)
1. the disposable termination in transformer test station, it is characterized in that: comprise transformer test wiring auxiliary tank (2) and transformer test wiring cabinet (3), described transformer test wiring auxiliary tank (2) is electrically connected with described transformer test wiring cabinet (3) by some control lines, some current sample lines and some voltage sample lines; The low-pressure side of tested transformer is connected with the low-voltage vacuum contactor KM14 of transformer test wiring cabinet (3), and the high-pressure side of tested transformer is connected with transformer test wiring cabinet (3) high-pressure vacuum contactor KM13.
2. the disposable termination in transformer test station according to claim 1, it is characterized in that: described transformer test wiring auxiliary tank (2) is electrically connected with unloaded main contactor KM7, load main contactor KM6, induction main contactor KM8, two are directly hindered main contactor KM9, KM10 and two no-load voltage ratio main contactor KM11, KM12, described unloaded main contactor KM7 and load main contactor KM6 is all connected with the mutual inductor (4) of transformer test integrated control cabinet (1), described induction main contactor KM8 is connected with the frequency multiplication assembly (5) of transformer test integrated control cabinet (1), described two are directly hindered main contactor KM9, KM10 is connected with two output terminals of the triple channel DC resistance meter (6) of transformer test integrated control cabinet, two no-load voltage ratio main contactor KM11, KM12 is connected with two output terminals of the type full-automatic transformation ratio tester (7) of transformer test integrated control cabinet, described load main contactor KM6, a straight resistance main contactor KM9 and no-load voltage ratio main contactor KM11 are all connected with high-pressure vacuum contactor KM13, described unloaded main contactor KM7, induction main contactor KM8, another directly hinders main contactor KM10 and another no-load voltage ratio main contactor KM12 is all connected with low-voltage vacuum contactor KM14, described low-voltage vacuum contactor KM14 end short circuit.
3. the disposable termination in transformer test station according to claim 1 and 2, is characterized in that: the length that the wire of described low-voltage vacuum contactor KM14 output terminal reaches between tested transformer from described transformer test wiring cabinet (3) is not more than 1.8m.
4. the disposable termination in transformer test station according to claim 1 and 2, is characterized in that: described transformer test wiring auxiliary tank (2) is arranged in described transformer test integrated control cabinet (1).
5. the disposable termination in transformer test station according to claim 1 and 2, is characterized in that: described some control lines, some current sample lines and some voltage sample lines are fixed into one cable that mops floor by heat-shrink tube or adhesive tape.
6. the disposable termination in transformer test station according to claim 1 and 2, is characterized in that: the bottom of described transformer test wiring cabinet (3) is provided with moveable pulley.
7. the disposable termination in transformer test station according to claim 1 and 2, is characterized in that: described transformer test wiring cabinet (3) is placed in liftable go-cart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510244352.6A CN104833828A (en) | 2015-05-14 | 2015-05-14 | Transformer test station one-time wiring apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510244352.6A CN104833828A (en) | 2015-05-14 | 2015-05-14 | Transformer test station one-time wiring apparatus |
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| CN104833828A true CN104833828A (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510244352.6A Pending CN104833828A (en) | 2015-05-14 | 2015-05-14 | Transformer test station one-time wiring apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831345A (en) * | 2017-12-26 | 2018-03-23 | 国网冀北电力有限公司唐山供电公司 | A kind of transformer voltage ratio test and direct resistance metering mode of connection and terminal box |
| CN108627725A (en) * | 2018-07-11 | 2018-10-09 | 东莞市大忠电子有限公司 | A kind of special transformer automatic test platform and its test method |
| CN114487929A (en) * | 2022-01-13 | 2022-05-13 | 国网湖北省电力有限公司电力科学研究院 | Automatic switching ratio-variable direct resistance measuring device and method |
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| CN201852854U (en) * | 2010-11-23 | 2011-06-01 | 山东电力集团公司淄博供电公司 | Transformer detection wiring converter |
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| US20120176120A1 (en) * | 2011-01-12 | 2012-07-12 | Schneider Electric USA, Inc. | System and method for monitoring current drawn by a protected load in a self-powered electronic protection device |
| CN202693702U (en) * | 2012-07-06 | 2013-01-23 | 福建省普华电子科技有限公司 | General-purpose tester of transformer |
| CN103033652A (en) * | 2012-12-27 | 2013-04-10 | 江苏省电力公司电力科学研究院 | Tester wiring concentration conversion device for vehicle |
| CN103698621A (en) * | 2013-09-05 | 2014-04-02 | 国家电网公司 | Vehicle-mounted transformer comprehensive test system |
| CN204556675U (en) * | 2015-05-14 | 2015-08-12 | 明晓军 | The disposable termination in transformer test station |
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2015
- 2015-05-14 CN CN201510244352.6A patent/CN104833828A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201327509Y (en) * | 2008-12-19 | 2009-10-14 | 河南电力试验研究院 | High-voltage transmission line parameter measuring device and system thereof |
| CN201852854U (en) * | 2010-11-23 | 2011-06-01 | 山东电力集团公司淄博供电公司 | Transformer detection wiring converter |
| US20120176120A1 (en) * | 2011-01-12 | 2012-07-12 | Schneider Electric USA, Inc. | System and method for monitoring current drawn by a protected load in a self-powered electronic protection device |
| CN102508087A (en) * | 2011-12-26 | 2012-06-20 | 石家庄供电公司 | Integrated test stand for transformers |
| CN202693702U (en) * | 2012-07-06 | 2013-01-23 | 福建省普华电子科技有限公司 | General-purpose tester of transformer |
| CN103033652A (en) * | 2012-12-27 | 2013-04-10 | 江苏省电力公司电力科学研究院 | Tester wiring concentration conversion device for vehicle |
| CN103698621A (en) * | 2013-09-05 | 2014-04-02 | 国家电网公司 | Vehicle-mounted transformer comprehensive test system |
| CN204556675U (en) * | 2015-05-14 | 2015-08-12 | 明晓军 | The disposable termination in transformer test station |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831345A (en) * | 2017-12-26 | 2018-03-23 | 国网冀北电力有限公司唐山供电公司 | A kind of transformer voltage ratio test and direct resistance metering mode of connection and terminal box |
| CN108627725A (en) * | 2018-07-11 | 2018-10-09 | 东莞市大忠电子有限公司 | A kind of special transformer automatic test platform and its test method |
| CN108627725B (en) * | 2018-07-11 | 2023-09-08 | 东莞市大忠电子有限公司 | Special transformer automatic test platform and test method thereof |
| CN114487929A (en) * | 2022-01-13 | 2022-05-13 | 国网湖北省电力有限公司电力科学研究院 | Automatic switching ratio-variable direct resistance measuring device and method |
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Application publication date: 20150812 |
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