CN102455419A - On-site calibration equipment of integrated electric power voltage transformer - Google Patents
On-site calibration equipment of integrated electric power voltage transformer Download PDFInfo
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- CN102455419A CN102455419A CN2010105177974A CN201010517797A CN102455419A CN 102455419 A CN102455419 A CN 102455419A CN 2010105177974 A CN2010105177974 A CN 2010105177974A CN 201010517797 A CN201010517797 A CN 201010517797A CN 102455419 A CN102455419 A CN 102455419A
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Abstract
The invention discloses on-site calibration equipment of an integrated electric power voltage transformer. The equipment comprises: a standard voltage transformer, an intermediate connection cylinder, a high voltage bushing, a booster test transformer, a first flange, a left flange, an upper flange, a right flange and a second flange. The first flange is arranged on the standard voltage transformer. The left flange is arranged on an interface of a left side of the intermediate connection cylinder. The right flange is arranged on the interface of a right side of the intermediate connection cylinder. The second flange is arranged on the booster test transformer. The upper flange is arranged on an upper part of the intermediate connection cylinder. The first flange is connected with the left flange. The second flange is connected with the right flange. The high voltage bushing is connected with the upper flange. In a scheme of the invention, the standard voltage transformer and the booster test transformer are combined as one body. Quantities of the high voltage bushings can be reduced, equipment wiring can be simplified and a integrated level of the equipment can be increased. Simultaneously, a vehicle requirement of on-site calibration mechanization and automation operation of the 330KV electric power voltage transformer can be satisfied.
Description
Technical field
The present invention relates to a kind of integral electrical voltage transformer (VT) field-checking equipment, can satisfy the high pressure measurement work such as field-checking of voltage of power mutual inductor, belong to the high pressure measurement equipment technical field.
Background technology
Up to the present, Shang Weiyou can satisfy the integration apparatus of all kinds voltage transformer (VT) verification of the operations of power networks such as the interior voltage transformer (VT) of capacitance type potential transformer, electromagnetic potential transformer and GIS that electric pressure is 330kV.At present the voltage transformer (VT) field-checking remains tester equipment such as scattered standard potential transformer, the equipment that boosts is assembled the wiring operation that makes an experiment temporarily.Need the capacity and the inductance value of frequent adjustment reactor also to lift repeatedly, assemble, adjust in the process of the test to satisfy the field-checking requirement.During on-the-spot transducer check to different groups, need calibration equipment repeatedly be shifted, displacement each time all must repeat installation, wiring and debugging, wastes time and energy, inefficiency, not only causes economic loss, influences the normal power supply guarantee simultaneously; And this equipment volume is big, heavy, automaticity is low and trivial operations, can't centralised arrangement in the electric power transformer field calibration vehicle with mechanical automation functipnal capability of mutual inductor on site verification solution.
Summary of the invention
Technical matters to above-mentioned existence the objective of the invention is: proposed a kind of integral electrical voltage transformer (VT) field-checking equipment that satisfies the high pressure measurement work such as field-checking of voltage of power mutual inductor.
Technical solution of the present invention is achieved in that a kind of integral electrical voltage transformer (VT) field-checking equipment, comprises standard potential transformer, middle connecting cylinder, bushing, pressure build-up test transformer, first flange, left flange, upper flange, right flange, second flange; Said first flange is arranged on the standard potential transformer; The interface in connecting cylinder left side in the middle of said left flange is arranged on; The interface on connecting cylinder right side in the middle of said right flange is arranged on; Said second flange is arranged on the pressure build-up test transformer; The top of connecting cylinder in the middle of said upper flange is arranged on; Said first flange connects with left flange; Said second flange connects with right flange; Said bushing connects with upper flange.
Preferably, said integral electrical voltage transformer (VT) field-checking coordinative composition of equipments has mounting seat, is used to install and fix.
Preferably, said standard potential transformer is installed in the air chamber of described standard potential transformer; The pressure build-up test transformer is installed in the air chamber of described pressure build-up test transformer, and standard potential transformer primary line and pressure build-up test transformer high-voltage winding output line merge in middle coupling tunnel internal exchange through disk insulator is drawn by bushing.
Preferably, the secondary line of said standard potential transformer is drawn through the secondary connection terminal that is installed in the terminal box.
Preferably, press the compensation winding during said pressure build-up test transformer is provided with, and the crimping line terminals is drawn in the process.
Because the utilization of technique scheme, the present invention compared with prior art has advantage:
The present invention program becomes device with the pressure build-up test of pressing compensation in standard potential transformer and the band and is assembled into the integration voltage mutual inductor on site verification configuration that high-pressure section connects combination and drawn by single sleeve pipe.With standard potential transformer and pressure build-up test transformer group integrator equipment, reduced bushing quantity and simplified apparatus wiring, improve the integrated level of equipment; Supportingly press compensation reactor in having; Integration apparatus is carried out reactive-load compensation; Reduce the volume weight of equipment and reduce the carrying load ability that input capacity improves equipment simultaneously, to satisfy the vehicle-mounted requirement that electric pressure is 330kV voltage of power mutual inductor on site verification mechanization, automation mechanized operation.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Wherein: 1, standard potential transformer; 2, middle connecting cylinder; 3, bushing; 4, disk insulator; 5, inferior tie; 6, pressure build-up test transformer; 7, terminal box; 8, secondary connection terminal; 9, first flange; 10, left flange; 11, upper flange; 12, right flange; 13, second flange.
Embodiment
Like accompanying drawing 1, the of the present invention a kind of integral electrical voltage transformer (VT) field-checking equipment shown in 2, comprise standard potential transformer 1, middle connecting cylinder 2, bushing 3, pressure build-up test transformer 6, first flange 9, left flange 10, upper flange 11, right flange 12, second flange 13; Said first flange 9 is arranged on the standard potential transformer 1; The interface in connecting cylinder 2 left sides in the middle of said left flange 10 is arranged on; The interface on connecting cylinder 2 right sides in the middle of said right flange 12 is arranged on; Said second flange 13 is arranged on the pressure build-up test transformer 6; The top of connecting cylinder 2 in the middle of said upper flange 11 is arranged on; Said first flange 9 connects with left flange 10; Said second flange 13 connects with right flange 12; Said bushing 3 connects with upper flange 11; Said integral electrical voltage transformer (VT) field-checking coordinative composition of equipments has mounting seat; Be used to install and fix; And standard potential transformer 1 and pressure build-up test transformer 6 born weight and reduce vibration through web member, thereby make its firm vehicle borne vibration environment that adapts to; Standard potential transformer 1 is installed in the air chamber of described standard potential transformer 1; Pressure build-up test transformer 6 is installed in the air chamber of described pressure build-up test transformer 6, and standard potential transformer 1 primary line and pressure build-up test transformer 6 high pressure winding output lines merge in middle coupling tunnel 2 internal exchanges through disk insulator 4 is drawn by bushing 3; Said each connection place also disposes disk insulator 4 fixing ties 5 and isolates each air chamber, and a described connecting line is connected firmly to adapt to vehicle borne vibration environment and abominable execute-in-place environment; The secondary line of standard potential transformer 1 is drawn through the secondary connection terminal 8 that is installed in the terminal box 7; Press the compensation winding during said pressure build-up test transformer is provided with, and the crimping line terminals is drawn in the process.
The present invention program and compensation are with the regulative reactance use that complements one another; During being provided with, the pressure build-up test transformer presses the compensation winding; When connecting supporting compensation and using REgulatable reactor, but thereby the capacitive reactive power component in the Continuous Compensation test product scope reduces the output waveform distortion of integrated vehicle equipment and reduces input current and improves carrying load ability.
Press the compensation winding during described pressure build-up test transformer configuration has, in the step-up transformer iron core, form perceptual idle flux component through the connection compensation reactor and be used to offset the capacitive reactive power flux component that test product causes.Thereby improve volume and thermal value that limited magnetic flux utilization factor unshakable in one's determination reduces testing transformer, thereby adapt to of the requirement of voltage transformer (VT) field-checking trial voltage waveform and equipment volume weight size.
The moving REgulatable reactor of piezoelectricity during but compensation is adopted with reactor, but Continuous Compensation comprise various the type such as voltage transformer (VT) in electromagnetic potential transformer (TV), capacitor voltage sensor (CVT) and the GIS by the capacitive component of examination voltage transformer (VT).And the opertaing device of supporting belt compensation indication uses light current that it is carried out control operation, thereby the high voltage of xegregating unit guarantees handling safety.
Because the utilization of technique scheme, the present invention compared with prior art has advantage:
The present invention program becomes device with the pressure build-up test of pressing compensation in standard potential transformer and the band and is assembled into the integration voltage mutual inductor on site verification configuration that high-pressure section connects combination and drawn by single sleeve pipe.With standard potential transformer and pressure build-up test transformer group integrator equipment, reduced bushing quantity and simplified apparatus wiring, improve the integrated level of equipment; Supportingly press compensation reactor in having; Integration apparatus is carried out reactive-load compensation; Reduce the volume weight of equipment and reduce the carrying load ability that input capacity improves equipment simultaneously, to satisfy the vehicle-mounted requirement that electric pressure is 330kV voltage of power mutual inductor on site verification mechanization, automation mechanized operation.
The foregoing description only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the personage that is familiar with this technology can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. an integral electrical voltage transformer (VT) field-checking equipment is characterized in that: comprise standard potential transformer, middle connecting cylinder, bushing, pressure build-up test transformer, first flange, left flange, upper flange, right flange, second flange; Said first flange is arranged on the standard potential transformer; The interface in connecting cylinder left side in the middle of said left flange is arranged on; The interface on connecting cylinder right side in the middle of said right flange is arranged on; Said second flange is arranged on the pressure build-up test transformer; The top of connecting cylinder in the middle of said upper flange is arranged on; Said first flange connects with left flange; Said second flange connects with right flange; Said bushing connects with upper flange.
2. integral electrical voltage transformer (VT) field-checking equipment according to claim 1 is characterized in that: the vehicle-mounted coordinative composition of equipments of said integral electrical voltage transformer (VT) field-checking has mounting seat, is used to install and fix.
3. integral electrical voltage transformer (VT) field-checking equipment according to claim 1, it is characterized in that: said standard potential transformer is installed in the air chamber of described standard potential transformer; The pressure build-up test transformer is installed in the air chamber of described pressure build-up test transformer, and standard potential transformer primary line and pressure build-up test transformer high-voltage winding output line merge in middle coupling tunnel internal exchange through disk insulator is drawn by bushing.
4. integral electrical voltage transformer (VT) field-checking equipment according to claim 1, it is characterized in that: the secondary line of said standard potential transformer is drawn through the secondary connection terminal that is installed in the terminal box.
5. integral electrical voltage transformer (VT) field-checking equipment according to claim 1 is characterized in that: press the compensation winding during said pressure build-up test transformer is provided with, and the crimping line terminals is drawn in the process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105177974A CN102455419A (en) | 2010-10-25 | 2010-10-25 | On-site calibration equipment of integrated electric power voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105177974A CN102455419A (en) | 2010-10-25 | 2010-10-25 | On-site calibration equipment of integrated electric power voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102455419A true CN102455419A (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105177974A Pending CN102455419A (en) | 2010-10-25 | 2010-10-25 | On-site calibration equipment of integrated electric power voltage transformer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552495A (en) * | 2013-11-21 | 2014-02-05 | 国家电网公司 | Automatic unfolding type on-site verification vehicle for high-voltage transformers |
| CN104076314A (en) * | 2014-07-10 | 2014-10-01 | 国家电网公司 | Vehicle-mounted 1,000-kilovolt voltage transformer verifying device |
| CN104155624A (en) * | 2014-07-31 | 2014-11-19 | 国家电网公司 | Boosting calibration equipment used for power frequency resonance test |
| CN104569898A (en) * | 2015-01-04 | 2015-04-29 | 国家电网公司 | Fixing and voltage sharing device for vehicle-mounted standard voltage transformer used for verifying transformer of 500 kV |
| CN107369544A (en) * | 2017-09-04 | 2017-11-21 | 云南电网有限责任公司电力科学研究院 | A kind of GIS formulas of band electromagnetic shielding are from the standard potential transformer that boosts |
| CN108597821A (en) * | 2018-06-01 | 2018-09-28 | 山东泰开互感器有限公司 | A kind of testing transformer and power supply system of built-in no-power compensation function |
Citations (6)
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| US4999569A (en) * | 1989-09-01 | 1991-03-12 | Abb Power T&D Company | Method to calibrate magneto-optic based metering system |
| CN2280919Y (en) * | 1996-11-09 | 1998-05-06 | 何排枝 | Integrated mutual-inductor calibration device |
| US20050288876A1 (en) * | 2004-06-25 | 2005-12-29 | Power Measurement, Ltd | Method and apparatus for instrument transformer reclassification |
| CN201285439Y (en) * | 2008-11-13 | 2009-08-05 | 国网武汉高压研究院 | Integrated verification equipment for field CVT |
| CN201583644U (en) * | 2009-03-20 | 2010-09-15 | 国网电力科学研究院武汉南瑞有限责任公司 | High voltage metering and testing vehicle |
| CN201828658U (en) * | 2010-10-25 | 2011-05-11 | 苏州华电电气股份有限公司 | Integrated on-site check-out equipment for power and voltage transformer |
-
2010
- 2010-10-25 CN CN2010105177974A patent/CN102455419A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999569A (en) * | 1989-09-01 | 1991-03-12 | Abb Power T&D Company | Method to calibrate magneto-optic based metering system |
| CN2280919Y (en) * | 1996-11-09 | 1998-05-06 | 何排枝 | Integrated mutual-inductor calibration device |
| US20050288876A1 (en) * | 2004-06-25 | 2005-12-29 | Power Measurement, Ltd | Method and apparatus for instrument transformer reclassification |
| CN201285439Y (en) * | 2008-11-13 | 2009-08-05 | 国网武汉高压研究院 | Integrated verification equipment for field CVT |
| CN201583644U (en) * | 2009-03-20 | 2010-09-15 | 国网电力科学研究院武汉南瑞有限责任公司 | High voltage metering and testing vehicle |
| CN201828658U (en) * | 2010-10-25 | 2011-05-11 | 苏州华电电气股份有限公司 | Integrated on-site check-out equipment for power and voltage transformer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552495A (en) * | 2013-11-21 | 2014-02-05 | 国家电网公司 | Automatic unfolding type on-site verification vehicle for high-voltage transformers |
| CN103552495B (en) * | 2013-11-21 | 2016-03-16 | 国家电网公司 | Automatic unfolding high-voltage mutual inductor on-site proving car |
| CN104076314A (en) * | 2014-07-10 | 2014-10-01 | 国家电网公司 | Vehicle-mounted 1,000-kilovolt voltage transformer verifying device |
| CN104155624A (en) * | 2014-07-31 | 2014-11-19 | 国家电网公司 | Boosting calibration equipment used for power frequency resonance test |
| CN104569898A (en) * | 2015-01-04 | 2015-04-29 | 国家电网公司 | Fixing and voltage sharing device for vehicle-mounted standard voltage transformer used for verifying transformer of 500 kV |
| CN107369544A (en) * | 2017-09-04 | 2017-11-21 | 云南电网有限责任公司电力科学研究院 | A kind of GIS formulas of band electromagnetic shielding are from the standard potential transformer that boosts |
| CN107369544B (en) * | 2017-09-04 | 2023-09-15 | 云南电网有限责任公司电力科学研究院 | GIS type self-boosting standard voltage transformer with electromagnetic shielding |
| CN108597821A (en) * | 2018-06-01 | 2018-09-28 | 山东泰开互感器有限公司 | A kind of testing transformer and power supply system of built-in no-power compensation function |
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Application publication date: 20120516 |