CN110794357A - All-round safety protection's 10kV power transformer full capability test system - Google Patents
All-round safety protection's 10kV power transformer full capability test system Download PDFInfo
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Abstract
The invention provides a full-performance test system of a 10kV power transformer with omnibearing safety protection, which comprises: the system comprises a 10kV power transformer full-performance test subsystem, a 10kV power transformer test data platform and a safety protection subsystem. The 10kV power transformer full-performance test subsystem comprises three test areas, namely a power frequency voltage-withstand insulation resistance calibration area, a voltage transformer induction voltage-withstand error calibration area and a current transformer error calibration area; the 10kV power transformer test data management platform comprises a power frequency voltage-withstand insulation resistance verification module, a voltage transformer induction voltage-withstand error verification module, a current transformer error verification module and a safety protection module; the safety protection system comprises a locking door, an alarm device and a safety light curtain; the invention has the beneficial effects that: under the condition of guaranteeing personal safety of testing personnel, the 10kV power transformer full-performance test that can compatible single-phase, three-phase combined mutual inductor detection of one set of device has been adopted, has alleviateed testing personnel working strength, has promoted work efficiency, guarantees timely examination, the timely delivery of measurement instrument.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a full-performance test system of a 10kV power transformer with omnibearing safety protection.
Background
A national grid company publishes technical specifications of Q/GDW 11681 and 201710 kV-35 kV metering current transformers in 2017, and standardizes the appearance sizes, test items and processes of the 10 kV-35 kV current transformers. However, the management right of the national power grid company for the 10 kV-35 kV current transformer is not clear, and a unified test verification department or a unified management department is not formed yet. Therefore, each network province company has not formed a mature scheme for the full-performance detection of the 10kV power transformer, and is still in a stage of detection equipment dispersion, one detection project and one set of detection device.
Disclosure of Invention
The invention aims to develop a full-performance test system of a 10kV power transformer with omnibearing safety protection, and aims to integrate the performance test of the 10kV power transformer and complete the safety transmission of the insulation performance and the electric signal of equipment in a high-voltage environment.
In order to achieve the above object, the invention provides a full performance test system of an omnibearing safety protection 10kV power transformer, comprising: the system comprises a 10kV power transformer full-performance test subsystem, a 10kV power transformer test data platform and a safety protection subsystem; the 10kV power transformer full-performance test subsystem comprises a power frequency voltage-withstand insulation resistance verification area, a voltage transformer induction voltage-withstand and error verification area and a current transformer error verification area, and is used for a full-performance test of a power transformer to obtain test data;
the 10kV power transformer test data platform comprises a power frequency voltage-withstand insulation resistance verification module, a voltage transformer induction voltage-withstand and error verification module, a current transformer error verification module and a safety protection module, and is used for collecting and processing the test data and performing safety protection;
the safety protection subsystem comprises a locking door, an alarm device and a safety light curtain and is used for safety protection in the test process of the full-performance test subsystem of the 10kV power transformer;
the 10kV power transformer full-performance test subsystem is connected with the 10kV power transformer test data platform through a network so as to send a test conclusion formed by a full-performance test to the 10kV power transformer test data platform; the 10kV power transformer full-performance test subsystem is electrically connected with the safety protection subsystem, and the safety protection module is used for carrying out safety monitoring on the 10kV power transformer full-performance test subsystem.
Further, the full-performance test subsystem of the 10kV power transformer consists of test equipment; the test equipment comprises power frequency voltage withstand test equipment, an insulation resistance tester, an induction voltage withstand tester, a voltage transformer error test device, an iron core magnetic saturation margin tester, a current transformer error calibration device and a magnetizing and demagnetizing device; the power frequency voltage-withstand insulation resistance verification area comprises power frequency voltage-withstand test equipment and an insulation resistance tester; the power frequency withstand voltage test equipment is used for detecting primary withstand voltage of the voltage transformer and the current transformer to obtain primary withstand voltage data of the voltage transformer and primary withstand voltage data of the current transformer; the insulation resistance tester is used for detecting the insulation resistance data of the primary winding and the secondary winding of the current transformer and the insulation resistance data of the primary winding and the secondary winding of the voltage transformer to obtain the insulation resistance data of the primary winding of the current transformer and the insulation resistance data of the secondary winding and the primary winding and the secondary winding of the voltage transformer;
the voltage transformer induced voltage withstand and error verification area comprises an induced voltage withstand tester, a voltage transformer error testing device and an iron core magnetic saturation margin tester; the induction voltage-withstanding tester is used for detecting the insulation voltage withstanding among turns, layers and sections of a voltage transformer winding to obtain voltage-withstanding data; the voltage transformer error testing device is used for verifying the error accuracy of the voltage transformer to obtain the verification precision of the voltage transformer; the iron core magnetic saturation margin tester is used for testing iron core magnetic saturation margins of the voltage transformer and the current transformer to obtain iron core magnetic saturation margin data of the voltage transformer and the current transformer;
the current transformer error calibration area comprises a current transformer error calibration device and a magnetizing and demagnetizing device; the current transformer error calibrating device is used for calibrating the error accuracy of the current transformer to obtain current transformer error accuracy calibration data; and the magnetizing and demagnetizing device is used for magnetizing and demagnetizing the secondary winding of the current transformer.
Further, the power frequency voltage-withstand insulation resistance verification module comprises a power frequency voltage-withstand test submodule and an insulation resistance test submodule which are respectively used for collecting and processing primary voltage-withstand data of a voltage transformer, primary voltage-withstand data of a current transformer, insulation resistance of a primary winding and a secondary winding of the current transformer and insulation resistance data of the primary winding and the secondary winding of the voltage transformer;
the voltage transformer induction voltage-withstand and error verification module comprises an induction voltage-withstand test submodule, a voltage transformer error test submodule and an iron core magnetic saturation margin test submodule, and is used for acquiring and processing voltage-withstand data, the verification precision of a voltage transformer and the iron core magnetic saturation margin data of the voltage transformer and the current transformer respectively;
the current transformer error verification module comprises a current transformer error verification submodule and a magnetizing and demagnetizing submodule and is used for collecting and processing current transformer error accuracy verification data and magnetizing and demagnetizing verification of a secondary winding of the current transformer.
Further, the test data includes: the method comprises the steps of voltage transformer primary voltage withstand data, current transformer primary voltage withstand data, insulation resistance of a primary winding and a secondary winding of the current transformer, insulation resistance of the primary winding and the secondary winding of the voltage transformer, voltage withstand data, checking precision of the voltage transformer, iron core magnetic saturation margin of the voltage transformer and the current transformer and checking data of current transformer error accuracy.
Furthermore, the locking door is electrically connected with test equipment in the full-performance test subsystem of the 10kV power transformer and used for isolating a test area; when the locking door is not completely closed, all the test equipment cannot be powered on; the alarm device comprises a warning lamp and a buzzer and is used for sound-light alarm; the safety light curtain is electrically connected with the test equipment and the alarm device and is used for monitoring the whole test area; when outside personnel break into the test area, the alarm equipment gives an alarm, and meanwhile, the test equipment is powered off.
Furthermore, the 10kV power transformer full-performance test data platform further comprises an auxiliary adjusting module, and the auxiliary adjusting module is used for automatically completing the lifting, adjusting and switching of the current and the voltage of each test device of the 10kV power transformer full-performance test subsystem.
Furthermore, the safety protection module comprises an alarm function, and when a polarity error, a transformation ratio error or an external connection error occurs, the alarm device can automatically alarm and automatically reset each test device to zero; the zero resetting means that the equipment is restored to a default state after power failure.
Further, the full-performance test subsystem of the 10kV power transformer also comprises an insulation withstand voltage test unit; the insulation withstand voltage test unit comprises a high-precision leakage current sensor, adopts a single-turn core-through type, is directly connected in series with the low-voltage ends of the voltage transformer and the current transformer, and reduces the influence of high-end voltage measurement on the detected leakage current value; the high-precision leakage current sensor means that the ratio of the difference between the detected leakage current value and the theoretical calculated value to the theoretical calculated value is less than or equal to 1%.
Further, the 10kV power transformer test data platform is used for collecting and processing test data of the 10kV power transformer full-performance test subsystem, and specifically includes: and exporting the test data to be saved as an EXCEL or WORD document.
The alarm device of the safety protection subsystem adopts a graded alarm system which is divided into 1 grade serious, 2 grade common and 3 grade common; wherein, the level 1 serious alarm comprises the intrusion test area of external personnel and the failure of the insulation and voltage resistance test, the level 2 common alarm comprises the interface failure and the flow failure, and the level 3 common alarm comprises the verification failure.
The technical scheme provided by the invention has the beneficial effects that: under the condition of guaranteeing personal safety of testing personnel, the 10kV power transformer full-performance test that can compatible single-phase, three-phase combined mutual inductor detection of one set of device has been adopted, has alleviateed testing personnel working strength, has promoted work efficiency, guarantees timely examination, the timely delivery of measurement instrument.
Drawings
FIG. 1 is a schematic diagram of a full-performance test system of an omnibearing safety protection 10kV power transformer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides an all-directional safety protection full performance test system for a 10kV power transformer, including: the system comprises a 10kV power transformer full-performance test subsystem, a 10kV power transformer test data platform and a safety protection subsystem; the 10kV power transformer full-performance test subsystem comprises a power frequency voltage-withstand insulation resistance verification area, a voltage transformer induction voltage-withstand and error verification area and a current transformer error verification area, and is used for a full-performance test of a power transformer to obtain test data;
the 10kV power transformer test data platform comprises a power frequency voltage-withstand insulation resistance verification module, a voltage transformer induction voltage-withstand and error verification module, a current transformer error verification module and a safety protection module, and is used for collecting and processing the test data and performing safety protection;
the safety protection subsystem comprises a locking door, an alarm device and a safety light curtain and is used for safety protection in the test process of the full-performance test subsystem of the 10kV power transformer;
the 10kV power transformer full-performance test subsystem is connected with the 10kV power transformer test data platform through a network so as to send a test conclusion formed by a full-performance test to the 10kV power transformer test data platform; the 10kV power transformer full-performance test subsystem is electrically connected with the safety protection subsystem, and the safety protection module is used for carrying out safety monitoring on the 10kV power transformer full-performance test subsystem.
The full-performance test subsystem of the 10kV power transformer consists of test equipment; the test equipment comprises power frequency voltage withstand test equipment, an insulation resistance tester, an induction voltage withstand tester, a voltage transformer error test device, an iron core magnetic saturation margin tester, a current transformer error calibration device and a magnetizing and demagnetizing device; the power frequency voltage-withstand insulation resistance verification area comprises power frequency voltage-withstand test equipment and an insulation resistance tester; the power frequency withstand voltage test equipment is used for detecting primary withstand voltage of the voltage transformer and the current transformer to obtain primary withstand voltage data of the voltage transformer and primary withstand voltage data of the current transformer; the insulation resistance tester is used for detecting the insulation resistance data of the primary winding and the secondary winding of the current transformer and the insulation resistance data of the primary winding and the secondary winding of the voltage transformer to obtain the insulation resistance data of the primary winding of the current transformer and the insulation resistance data of the secondary winding and the primary winding and the secondary winding of the voltage transformer;
the voltage transformer induced voltage withstand and error verification area comprises an induced voltage withstand tester, a voltage transformer error testing device and an iron core magnetic saturation margin tester; the induction voltage-withstanding tester is used for detecting the insulation voltage withstanding among turns, layers and sections of a voltage transformer winding to obtain voltage-withstanding data; the voltage transformer error testing device is used for verifying the error accuracy of the voltage transformer to obtain the verification precision of the voltage transformer; the iron core magnetic saturation margin tester is used for testing iron core magnetic saturation margins of the voltage transformer and the current transformer to obtain iron core magnetic saturation margin data of the voltage transformer and the current transformer;
the current transformer error calibration area comprises a current transformer error calibration device and a magnetizing and demagnetizing device; the current transformer error calibrating device is used for calibrating the error accuracy of the current transformer to obtain current transformer error accuracy calibration data; and the magnetizing and demagnetizing device is used for magnetizing and demagnetizing the secondary winding of the current transformer.
The power frequency voltage-withstand insulation resistance verification module comprises a power frequency voltage-withstand test submodule and an insulation resistance test submodule, and is respectively used for collecting and processing primary voltage-withstand data of a voltage transformer, primary voltage-withstand data of a current transformer, insulation resistance of a primary winding and a secondary winding of the current transformer and insulation resistance data of the primary winding and the secondary winding of the voltage transformer;
the voltage transformer induction voltage-withstand and error verification module comprises an induction voltage-withstand test submodule, a voltage transformer error test submodule and an iron core magnetic saturation margin test submodule, and is used for acquiring and processing voltage-withstand data, the verification precision of a voltage transformer and the iron core magnetic saturation margin data of the voltage transformer and the current transformer respectively;
the current transformer error verification module comprises a current transformer error verification submodule and a magnetizing and demagnetizing submodule and is used for collecting and processing current transformer error accuracy verification data and magnetizing and demagnetizing verification of a secondary winding of the current transformer.
The test data includes: the method comprises the steps of voltage transformer primary voltage withstand data, current transformer primary voltage withstand data, insulation resistance of a primary winding and a secondary winding of the current transformer, insulation resistance of the primary winding and the secondary winding of the voltage transformer, voltage withstand data, checking precision of the voltage transformer, iron core magnetic saturation margin of the voltage transformer and the current transformer and checking data of current transformer error accuracy.
The locking door is electrically connected with test equipment in the full-performance test subsystem of the 10kV power transformer and is used for isolating a test area; when the locking door is not completely closed, all the test equipment cannot be powered on; the alarm device comprises a warning lamp and a buzzer and is used for sound-light alarm; the safety light curtain is electrically connected with the test equipment and the alarm device and is used for monitoring the whole test area; when outside personnel break into the test area, the alarm equipment gives an alarm, and meanwhile, the test equipment is powered off.
The 10kV power transformer full-performance test data platform further comprises an auxiliary adjusting module, and the auxiliary adjusting module is used for automatically completing the lifting, adjusting and switching of the current and the voltage of each test device of the 10kV power transformer full-performance test subsystem.
The safety protection module comprises an alarm function, and when a polarity error, a transformation ratio error or an external connection error occurs, the alarm device can automatically alarm and automatically reset each test device to zero; the zero resetting means that the equipment is restored to a default state after power failure.
The full-performance test subsystem of the 10kV power transformer further comprises an insulation withstand voltage test unit; the insulation withstand voltage test unit comprises a high-precision leakage current sensor, adopts a single-turn core-through type, is directly connected in series with the low-voltage ends of the voltage transformer and the current transformer, and reduces the influence of high-end voltage measurement on the detected leakage current value; the high-precision leakage current sensor means that the ratio of the difference between the detected leakage current value and the theoretical calculated value to the theoretical calculated value is less than or equal to 1%.
The 10kV power transformer test data platform is used for collecting and processing test data of the 10kV power transformer full-performance test subsystem, and specifically comprises the following steps: and exporting the test data to be saved as an EXCEL or WORD document.
The alarm device of the safety protection subsystem adopts a graded alarm system which is divided into 1 grade serious, 2 grade common and 3 grade common; wherein, the level 1 serious alarm comprises the intrusion test area of external personnel and the failure of the insulation and voltage resistance test, the level 2 ordinary alarm comprises the wiring faults, such as the reverse wiring, the abnormal disconnection of an interface and the like, and the level 3 ordinary alarm comprises the test faults of test equipment, such as the standard exceeding of parameters, the abnormal setting of parameters and the like.
The embodiment of the invention specifically comprises the following steps: the system comprises a 10kV power transformer full-performance test subsystem, a voltage transformer induction voltage-withstand error detection subsystem and a current error detection subsystem, wherein the 10kV power transformer full-performance test subsystem is positioned in a test area, and a power frequency voltage-withstand insulation resistance detection area, a voltage transformer induction voltage-withstand error detection area and a current error detection area are arranged in the test area so as to complete a full-performance test of a power transformer; a safety light curtain is arranged at the edge of the test area, and an alarm device, a 10kV experiment data management platform and a locking door are arranged on the right side of the safety light curtain; test data are collected and processed through corresponding sub-modules of a 10kV test data management platform; a tester enters an operation area to enter a power transformer test, the locking door is in a closed state at the moment, when the locking door is opened, a level 1 serious alarm is given, a locking door switching signal is detected by a safety protection module of a 10kV test data management platform, the safety protection module generates a control instruction, triggers an alarm device, and powers off test equipment in a 10kV power transformer full-performance test subsystem to ensure safety; when the locking door is in a closed state, and non-working personnel outside the test area enter the test area through the safety light curtain, the level 1 serious alarm is still performed, and the safety light curtain generates a trigger signal, so that the alarm device is triggered through the detection of a safety protection module of a 10kV test data management platform, and the test equipment in the 10kV power transformer full-performance test subsystem is powered off, and the safety is ensured; when the safety light curtain does not detect the invasion of external personnel, the locking door is in a closed state, and an experimenter in a test area has misoperation, so that the full performance test of the power transformer cannot be normally carried out, if the wiring is reversed, the 10kV test data management platform is a 2-level common alarm, the 10kV test data management platform detects through a submodule of corresponding equipment, and triggers an alarm device to generate a 2-level alarm; when a tester in a test area can normally perform a full-performance test on the power transformer, but the test data of the power transformer equipment does not reach the standard in the test process, the 10kV test data management platform detects through the sub-modules of the corresponding equipment and triggers the alarm device to generate 3-level general alarm.
The technical scheme provided by the invention has the beneficial effects that: under the condition of guaranteeing personal safety of testing personnel, the 10kV power transformer full-performance test that can compatible single-phase, three-phase combined mutual inductor detection of one set of device has been adopted, has alleviateed testing personnel working strength, has promoted work efficiency, guarantees timely examination, the timely delivery of measurement instrument.
In this document, the terms front, back, upper and lower are used to define the positions of the devices in the drawings and the positions of the devices relative to each other, and are used for the sake of clarity and convenience in technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a full performance test system of 10kV power transformer of all-round safety protection which characterized in that: the method specifically comprises the following steps: the system comprises a 10kV power transformer full-performance test subsystem, a 10kV power transformer test data platform and a safety protection subsystem; the 10kV power transformer full-performance test subsystem comprises a power frequency voltage-withstand insulation resistance verification area, a voltage transformer induction voltage-withstand and error verification area and a current transformer error verification area, and is used for a full-performance test of a power transformer to obtain test data;
the 10kV power transformer test data platform comprises a power frequency voltage-withstand insulation resistance verification module, a voltage transformer induction voltage-withstand and error verification module, a current transformer error verification module and a safety protection module, and is used for collecting and processing the test data and performing safety protection;
the safety protection subsystem comprises a locking door, an alarm device and a safety light curtain and is used for safety protection in the test process of the full-performance test subsystem of the 10kV power transformer;
the 10kV power transformer full-performance test subsystem is connected with the 10kV power transformer test data platform through a network so as to send a test conclusion formed by a full-performance test to the 10kV power transformer test data platform; the 10kV power transformer full-performance test subsystem is electrically connected with the safety protection subsystem, and the safety protection module is used for carrying out safety monitoring on the 10kV power transformer full-performance test subsystem.
2. The omnibearing safety protection 10kV power transformer full-performance test system according to claim 1, characterized in that:
the full-performance test subsystem of the 10kV power transformer consists of test equipment; the test equipment comprises power frequency voltage withstand test equipment, an insulation resistance tester, an induction voltage withstand tester, a voltage transformer error test device, an iron core magnetic saturation margin tester, a current transformer error calibration device and a magnetizing and demagnetizing device; the power frequency voltage-withstand insulation resistance verification area comprises power frequency voltage-withstand test equipment and an insulation resistance tester; the power frequency withstand voltage test equipment is used for detecting primary withstand voltage of the voltage transformer and the current transformer to obtain primary withstand voltage data of the voltage transformer and primary withstand voltage data of the current transformer; the insulation resistance tester is used for detecting the insulation resistance data of the primary winding and the secondary winding of the current transformer and the insulation resistance data of the primary winding and the secondary winding of the voltage transformer to obtain the insulation resistance data of the primary winding of the current transformer and the insulation resistance data of the secondary winding and the primary winding and the secondary winding of the voltage transformer;
the voltage transformer induced voltage withstand and error verification area comprises an induced voltage withstand tester, a voltage transformer error testing device and an iron core magnetic saturation margin tester; the induction voltage-withstanding tester is used for detecting the insulation voltage withstanding among turns, layers and sections of a voltage transformer winding to obtain voltage-withstanding data; the voltage transformer error testing device is used for verifying the error accuracy of the voltage transformer to obtain the verification precision of the voltage transformer; the iron core magnetic saturation margin tester is used for testing iron core magnetic saturation margins of the voltage transformer and the current transformer to obtain iron core magnetic saturation margin data of the voltage transformer and the current transformer;
the current transformer error calibration area comprises a current transformer error calibration device and a magnetizing and demagnetizing device; the current transformer error calibrating device is used for calibrating the error accuracy of the current transformer to obtain current transformer error accuracy calibration data; and the magnetizing and demagnetizing device is used for magnetizing and demagnetizing the secondary winding of the current transformer.
3. The omnibearing safety protection 10kV power transformer full-performance test system according to claim 1, characterized in that:
the power frequency voltage-withstand insulation resistance verification module comprises a power frequency voltage-withstand test submodule and an insulation resistance test submodule, and is respectively used for collecting and processing primary voltage-withstand data of a voltage transformer, primary voltage-withstand data of a current transformer, insulation resistance of a primary winding and a secondary winding of the current transformer and insulation resistance data of the primary winding and the secondary winding of the voltage transformer;
the voltage transformer induction voltage-withstand and error verification module comprises an induction voltage-withstand test submodule, a voltage transformer error test submodule and an iron core magnetic saturation margin test submodule, and is used for acquiring and processing voltage-withstand data, the verification precision of a voltage transformer and the iron core magnetic saturation margin data of the voltage transformer and the current transformer respectively;
the current transformer error verification module comprises a current transformer error verification submodule and a magnetizing and demagnetizing submodule and is used for collecting and processing current transformer error accuracy verification data and magnetizing and demagnetizing verification of a secondary winding of the current transformer.
4. The full-performance test system of the omnibearing safety protection 10kV power transformer recited in claim 3, characterized in that:
the test data includes: the method comprises the steps of voltage transformer primary voltage withstand data, current transformer primary voltage withstand data, insulation resistance of a primary winding and a secondary winding of the current transformer, insulation resistance of the primary winding and the secondary winding of the voltage transformer, voltage withstand data, checking precision of the voltage transformer, iron core magnetic saturation margin of the voltage transformer and the current transformer and checking data of current transformer error accuracy.
5. The omnibearing safety protection 10kV power transformer full-performance test system according to claim 1, characterized in that:
the locking door is electrically connected with test equipment in the full-performance test subsystem of the 10kV power transformer and is used for isolating a test area; when the locking door is not completely closed, all the test equipment cannot be powered on; the alarm device comprises a warning lamp and a buzzer and is used for sound-light alarm; the safety light curtain is electrically connected with the test equipment and the alarm device and is used for monitoring the whole test area; when outside personnel break into the test area, the alarm equipment gives an alarm, and meanwhile, the test equipment is powered off.
6. The omnibearing safety protection 10kV power transformer full-performance test system according to claim 1, characterized in that: the 10kV power transformer full-performance test data platform further comprises an auxiliary adjusting module, and the auxiliary adjusting module is used for automatically completing the lifting, adjusting and switching of the current and the voltage of each test device of the 10kV power transformer full-performance test subsystem.
7. The omnibearing safety protection 10kV power transformer full-performance test system according to claim 1, characterized in that: the safety protection module comprises an alarm function, and when a polarity error, a transformation ratio error or an external connection error occurs, the alarm device can automatically alarm and automatically reset each test device to zero; the zero resetting means that the equipment is restored to a default state after power failure.
8. The omnibearing safety protection 10kV power transformer full-performance test system according to claim 1, characterized in that: the full-performance test subsystem of the 10kV power transformer further comprises an insulation withstand voltage test unit; the insulation withstand voltage test unit comprises a high-precision leakage current sensor, adopts a single-turn core-through type, is directly connected in series with the low-voltage ends of the voltage transformer and the current transformer, and reduces the influence of high-end voltage measurement on the detected leakage current value; the high-precision leakage current sensor means that the ratio of the difference between the detected leakage current value and the theoretical calculated value to the theoretical calculated value is less than or equal to 1%.
9. The omnibearing safety protection 10kV power transformer full-performance test system according to claim 1, characterized in that: the 10kV power transformer test data platform is used for collecting and processing test data of the 10kV power transformer full-performance test subsystem, and specifically comprises the following steps: and exporting the test data to be saved as an EXCEL or WORD document.
10. The omnibearing safety protection 10kV power transformer full-performance test system according to claim 1, characterized in that: the alarm device of the safety protection subsystem adopts a graded alarm system which is divided into 1 grade serious, 2 grade common and 3 grade common; wherein, the level 1 serious alarm comprises the intrusion test area of external personnel and the failure of the insulation and voltage resistance test, the level 2 common alarm comprises the interface failure and the flow failure, and the level 3 common alarm comprises the verification failure.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398869A (en) * | 2020-03-31 | 2020-07-10 | 贵州电网有限责任公司 | Mutual inductor handover test device and test method thereof |
| CN112044804A (en) * | 2020-09-09 | 2020-12-08 | 国网电力科学研究院武汉南瑞有限责任公司 | Full-automatic high-voltage transformer overall layout verification method |
| CN113466775A (en) * | 2021-06-16 | 2021-10-01 | 云南电网有限责任公司 | Comprehensive test device and method for metering power transformer |
| CN114113872A (en) * | 2021-11-19 | 2022-03-01 | 河南势展电力科技有限公司 | Semi-automatic detection assembly line of combined mutual inductor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344895A (en) * | 2013-07-30 | 2013-10-09 | 河北海纳电测仪器股份有限公司 | Automatic verification system of low-voltage current transformer |
| US20130297245A1 (en) * | 2011-06-01 | 2013-11-07 | Zhejiang Electric Power Corporation | Full-automatic detecting system and method for transformer |
| CN103603552A (en) * | 2013-11-21 | 2014-02-26 | 国网安徽省电力公司滁州供电公司 | Automatic safety-protecting locking device for mutual inductor tests |
| CN105974348A (en) * | 2016-04-29 | 2016-09-28 | 国网山东省电力公司电力科学研究院 | Low-voltage current transformer integrated detection system and method thereof |
| CN205620485U (en) * | 2016-04-29 | 2016-10-05 | 国网山东省电力公司电力科学研究院 | A intelligent integrated detection device for low pressure current transformer integrates |
-
2019
- 2019-11-04 CN CN201911066536.2A patent/CN110794357A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130297245A1 (en) * | 2011-06-01 | 2013-11-07 | Zhejiang Electric Power Corporation | Full-automatic detecting system and method for transformer |
| CN103344895A (en) * | 2013-07-30 | 2013-10-09 | 河北海纳电测仪器股份有限公司 | Automatic verification system of low-voltage current transformer |
| CN103603552A (en) * | 2013-11-21 | 2014-02-26 | 国网安徽省电力公司滁州供电公司 | Automatic safety-protecting locking device for mutual inductor tests |
| CN105974348A (en) * | 2016-04-29 | 2016-09-28 | 国网山东省电力公司电力科学研究院 | Low-voltage current transformer integrated detection system and method thereof |
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| CN112044804B (en) * | 2020-09-09 | 2023-02-28 | 国网电力科学研究院武汉南瑞有限责任公司 | Full-automatic high-voltage transformer overall layout verification method |
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