CN104198927A - Breaker temperature rising and snap action testing device - Google Patents
Breaker temperature rising and snap action testing device Download PDFInfo
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- CN104198927A CN104198927A CN201410311903.1A CN201410311903A CN104198927A CN 104198927 A CN104198927 A CN 104198927A CN 201410311903 A CN201410311903 A CN 201410311903A CN 104198927 A CN104198927 A CN 104198927A
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- load regulation
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Abstract
The invention discloses a breaker temperature rising and snap action testing device. The breaker temperature rising and snap action testing device comprises a cabinet, a control circuit, a controller and a plurality of load regulating impedance, the control circuit and the controller are located in the cabinet, and the load regulating impedance is located outside the cabinet; the control circuit comprises a plurality of multi-magnetic circuit power supply transformers, a plurality of multi-magnetic circuit transformer winding control devices, a plurality of load regulating resistors, a phase selection control device, a circuit protection device, a voltage monitoring device, a current detecting device and a data gathering device. By means of said mode, the breaker temperature rising and snap action testing device is low in consumption, high in efficiency, precise in detection, easy and convenient to operate, and capable of guaranteeing the test result precision and repeatability.
Description
Technical field
The present invention relates to a kind of electrical test equipment, particularly relate to a kind of isolating switch temperature rise, wink move action test device.
Background technology
Along with being widely used of high-power electric appliance equipment in life, adopt high performance isolating switch to protect household electricity safety requirements more and more higher, therefore isolating switch should meet the testing requirements that national standard manufactures a product.Meet the test category requirement of national standard defined.
Need to provide a kind of test unit of isolating switch runnability test for this reason; this test unit can meet the test request of " GB 10963.1--2005/ICE 60898--1:2002 electric accessories family expenses and similar site's circuit-breakers for over-current protection Part I: for the isolating switch exchanging " standard manufacture product; can meet isolating switch temperature rise test and require and wink dynamic test requirement, and record is threaded off actuation time.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of isolating switch temperature rise, wink moves action test device, a kind of low-loss, high-level efficiency can be provided, have and detect accurately and control function easy and simple to handle, the accuracy of warranty test result and repeatable circuit breaker testing device.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of isolating switch temperature rise, wink to move action test device, include: rack, control circuit, controller and some load regulation impedances.Described control circuit and controller are positioned at described rack, and described control circuit is connected with described controller by analog input card.Described load regulation impedance is positioned at outside described rack.
Described control circuit includes: some multipath magnetic circuit power transformer, some multiple magnetic circuit transformer winding control device, some load regulation resistance, phase-controlled device and circuit protection device.Described multiple magnetic circuit transformer winding control device, load regulation resistance, phase-controlled device and circuit protection device are positioned at the primary side of described multipath magnetic circuit power transformer.
Described multiple magnetic circuit transformer is connected with load regulation impedance phase.
Described control circuit also includes: voltage monitoring device, current sensing means and data collector, described voltage monitoring device, current sensing means and data collector are positioned at the out secondary of described multipath magnetic circuit power transformer.
In a preferred embodiment of the present invention, described multiple magnetic circuit transformer winding control device includes the first A.C. contactor and the second A.C. contactor, and between described the first A.C. contactor and the second A.C. contactor, interlocking connects.
In a preferred embodiment of the present invention, described load regulation resistance is adjustable resistor, and load regulation resistance is set to 3, is respectively the first load regulation resistance, the second load regulation resistance and the 3rd load regulation resistance.
Described the first load regulation resistance, the second load regulation resistance and the 3rd load regulation resistance are controlled by one of the first A.C. contactor or second A.C. contactor.
In a preferred embodiment of the present invention, described multipath magnetic circuit power transformer is set to 3, is respectively the first multipath magnetic circuit power transformer, the second multipath magnetic circuit power transformer and the 3rd multipath magnetic circuit power transformer.
Described load regulation impedance is set to 3, and is adjustable reactor, is set to respectively the first load regulation impedor, the second load regulation impedor and the 3rd load regulation impedor.
And described the first multipath magnetic circuit power transformer, the second multipath magnetic circuit power transformer, the 3rd multipath magnetic circuit power transformer are connected with the first load regulation impedor, the second load regulation impedor, the 3rd load regulation impedor respectively.
In a preferred embodiment of the present invention, described isolating switch temperature rise, wink are moved action test device and also include display interface parameter setting apparatus, and described display interface parameter setting apparatus is connected with described controller.
In a preferred embodiment of the present invention, described display interface parameter setting apparatus includes touching display screen, current sampling device and voltage sampling apparatus.Described current collecting device, voltage collecting device all include coil, integrating gear and Hall element, and current collecting device, voltage collecting device are connected with described controller respectively.
In a preferred embodiment of the present invention, described isolating switch temperature rise, wink are moved action test device and also include alarm protecting apparatus, and described alarm protecting apparatus is connected with described control circuit.
In a preferred embodiment of the present invention, described alarm protecting apparatus include post a letter, sound and light alarm and electric security protector device.
The invention has the beneficial effects as follows: a kind of low-loss, high-level efficiency can be provided, have and detect accurately and control function easy and simple to handle, the accuracy of warranty test result and repeatable circuit breaker testing device.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structured flowchart of a kind of isolating switch temperature rise of the present invention, moving action test device one preferred embodiment of wink;
Fig. 2 is the electrical principle Organization Chart of a kind of isolating switch temperature rise of the present invention, moving action test device one preferred embodiment of wink;
Fig. 3 is the control circuit part connection layout of a kind of isolating switch temperature rise of the present invention, moving action test device one preferred embodiment of wink;
Fig. 4 is the control circuit partial enlarged drawing A of a kind of isolating switch temperature rise of the present invention, moving action test device one preferred embodiment of wink;
Fig. 5 is the control circuit partial enlarged drawing B of a kind of isolating switch temperature rise of the present invention, moving action test device one preferred embodiment of wink.
Embodiment
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the embodiment of the present invention comprises:
Provide a kind of isolating switch temperature rise, wink to move action test device,
Include: rack, control circuit, controller and some load regulation impedances.Described control circuit and controller are positioned at described rack, and described control circuit is connected with described controller by analog input card.
Described load regulation impedance is positioned at outside described rack.
Described control circuit includes: some multipath magnetic circuit power transformer, some multiple magnetic circuit transformer winding control device, some load regulation resistance, phase-controlled device and circuit protection device.Described multiple magnetic circuit transformer winding control device, load regulation resistance, phase-controlled device and circuit protection device are positioned at the primary side of described multipath magnetic circuit power transformer.
Described multiple magnetic circuit transformer is connected with load regulation impedance phase.
Described control circuit also includes: voltage monitoring device, current sensing means and data collector, described voltage monitoring device, current sensing means and data collector are positioned at the out secondary of described multipath magnetic circuit power transformer.
Described multiple magnetic circuit transformer winding control device includes the first A.C. contactor and the second A.C. contactor, and between described the first A.C. contactor and the second A.C. contactor, interlocking connects.
Preferably, described the first A.C. contactor is KM104-KM106, and described the second A.C. contactor is KM101-KM103.
Described load regulation resistance is adjustable resistor, and load regulation resistance is set to 3, is respectively the first load regulation resistance, the second load regulation resistance and the 3rd load regulation resistance.
Described the first load regulation resistance, the second load regulation resistance and the 3rd load regulation resistance are controlled by one of the first A.C. contactor or second A.C. contactor.
Described multipath magnetic circuit power transformer is set to 3, is respectively the first multipath magnetic circuit power transformer, the second multipath magnetic circuit power transformer and the 3rd multipath magnetic circuit power transformer.
Described load regulation impedance is set to 3, and is adjustable reactor, is set to respectively the first load regulation impedor, the second load regulation impedor and the 3rd load regulation impedor.
And described the first multipath magnetic circuit power transformer, the second multipath magnetic circuit power transformer, the 3rd multipath magnetic circuit power transformer are connected with the first load regulation impedor, the second load regulation impedor, the 3rd load regulation impedor respectively.
Described isolating switch temperature rise, wink are moved action test device and also include display interface parameter setting apparatus, and described display interface parameter setting apparatus is connected with described controller.
Described display interface parameter setting apparatus includes touching display screen, current sampling device and voltage sampling apparatus.Described current collecting device, voltage collecting device all include coil, integrating gear and Hall element, and current collecting device, voltage collecting device are connected with described controller respectively.
Described isolating switch temperature rise, wink are moved action test device and also include alarm protecting apparatus, and described alarm protecting apparatus is connected with described control circuit.
Described alarm protecting apparatus include post a letter, sound and light alarm and electric security protector device.
In concrete enforcement, the present invention adopts following method of operating:
Adopt pressure regulator and multiple magnetic circuit transformer mode, described multiple magnetic circuit transformer capacity is 75KVA, the single-phase output of secondary 12V, and each magnetic circuit output voltage 1.5V, 1.5V, 3V, 6V, outlet is three-phase star connection, phase three-wire three adopts two 60*8mm
2with four 100*10mm
2copper bar outlet method, copper bar exposed portions serve is zinc-plated, and single group copper bar spacing is 10mm.
Wherein phase-controlled device is preferably phase-selecting switch, and described phase-selecting switch is single-phase switch, can complete the adjustment of test Conduction angle, realizes that current over pulse is little and conduction time is accurate.Can also realize the conversion of multiple test function simultaneously: wink dynamic test, temperature rise test, can return to the function conversion of test.
The present invention is also simultaneously for test product provides accessory power supply, and power supply is output as AC220V and the each passage of AC380V, and capacity is 3KVA, realizes intelligence control targetedly by controller.
Under electric power output voltage of the present invention, waveform distortion≤5% of no-load voltage, three-phase current unbalance degree require for≤± 1%.
TT&C system of the present invention is selected NI system, and controller is PXI main frame, measures with the NI digital quantity input/output board card of controlling by inserting host pci and carries out modularization interpolation.
Measuring system of the present invention completes the measurement to test current and trial voltage by each gear transmitter, voltage transformer (VT) and NI analog collection system.
The temperature survey of moving acting characteristic power supply testing device of temperature rise and wink is measured by external temperature measuring set AGILENT343970 and J type thermopair, and numerical value is read by TT&C system.Wherein current transformer adopts ROGWISKI coil and the integrator of JJSYSTEM, and range is 100A/1KA/10KA/100KA, and full scale power frequency measuring accuracy is 1%.
Voltage sensor adopts Hall element to measure.
Control system of the present invention is made up of the device such as contactor, relay and NI digital quantity input/output module, by every test of the corresponding executive component completion system of digital module control, to meet the requirement of test.
The present invention is switched three-phase and single-phase test by controller control contactor, at multipath magnetic circuit power transformer power input B, C phase contact KM222, KM224, KM227, each contactor KM221, KM223, KM226, the KM229 who is connected with A, B in parallel in KM230 two ends.
The sampled voltage of getting multiple magnetic circuit transformer output terminals A, B phase does single-phase attribute testing by collection signal.Switch three-phase and single-phase test by control contactor, pressure regulator and transformer regulate electric current to preset value, with reach ± 2% electric current precision of steady current of feedback signal and the NI digital quantity acquisition system of scrambler, angle and the closing time of accurately controlling phase-selecting switch by phase-controlled carry out instantaneous characteristic test.
Control circuit comprises multipath magnetic circuit power transformer BT101-BT103, multiple magnetic circuit transformer winding control device, load regulation resistance R
1-R
3, phase-controlled device XK101 and circuit protection device.
Circuit protection device, phase-controlled device XK101, multiple magnetic circuit transformer winding control device and load regulation resistance R
1-R
3be located at the primary side of multipath magnetic circuit power transformer BT101-BT103, voltage monitoring device, current sensing means and data acquisition system (DAS) are arranged on the out secondary of multipath magnetic circuit power transformer BT101-BT103.
Load regulation resistance R
1-R
3for adjustable resistor, controlled by A.C. contactor KM104-KM106, and be connected with main power circuit control A.C. contactor KM101-KM103 interlocking.Multiple magnetic circuit transformer winding control device is A.C. contactor KM211-KM217, KM221-KM231, KM241-KM247 and the corresponding connection of the every mutually every magnetic circuit of multipath magnetic circuit power transformer BT101-BT103, carries out corresponding magnetic circuit conversion.
Option control device XK101 is connected across pile crown under the upper pile crown of primary power A.C. contactor KM102 and primary power A.C. contactor KM101.Option control device XK101 and A.C. contactor KM101--KM103 electrical interlocks.
Data acquisition system (DAS) and current/voltage monitoring arrangement comprise current transformer (adopting ROGWISKI coil and the integrator of JJSYSTEM), full scale power frequency measuring accuracy is 1%, and voltage sensor adopts Hall element and one to have the specialized controller of powerful data processing speed.
Multipath magnetic circuit power transformer BT elementary (except pressure regulation magnetic circuit) is connected with AC380V power supply, and pressure regulation magnetic circuit is connected with AC380V power supply by pressure regulator.
Overcurrent protection at circuit breaker Q F101 of primary device of multipath magnetic circuit power transformer BT101-BT103 as multipath magnetic circuit power transformer.
The out secondary of described multipath magnetic circuit power transformer BT101-BT103 is connected with test product.
External load regulation impedance RL-A ~ RL-C is secondary by test demand access multipath magnetic circuit power transformer BT101-BT103's.
Explain specific embodiment of the invention by concrete test below:
One, wink dynamic test:
This example adopts the voltage of AC380V by the combination of 75KVA multipath magnetic circuit power transformer BT101--BT103 and pressure regulator, make grade adjustable voltage that has of multipath magnetic circuit power transformer BT101-BT103 array output 1.5V-12V, effectively control multipath magnetic circuit transformation output 500A-6000A electric current, needed experiment work electric current is control effectively.
By be arranged on the voltage and current detecting device of multipath magnetic circuit power transformer BT out secondary and data acquisition system (DAS) to experiment work electric current effectively monitor, adjust, from motion tracking, automatically detect and record automatically.
In this example, current transformer adopts ROGWISKI coil and the integrator of JJSYSTEM, and range is 100A/1KA/10KA/100KA, and full scale power frequency measuring accuracy is 1%, and voltage sensor adopts Hall element.
Because conduction time is very short, if particularly 10ms is to adopt interior conduction time mechanical switch not reach requirement at all, the conduction time that therefore adopts thyristor to carry out Control experiment, meet so short conduction time by controlling thyristor conduction angle.Consider the precision of phase shifting control and the threshold value of thyristor, generally switch on from 2ms, be 200ms maximum conduction time, and controlling optimizing phase angle is 0-180 ° of setting arbitrarily.But when too short, can control by corresponding phasing degree is set the conducting of thyristor conduction time, guarantee the accurate of waveform.Meet " GB10963.1-2005/ICE60898-1:2002
The overcurrent protection Part I that opens circuit for electric accessories family expenses and similar site: for the isolating switch exchanging " test request of standard manufacture product.
Two, temperature rise test:
This example adopts the voltage of AC380V by the combination of 75KVA multipath magnetic circuit power transformer BT101--BT103 and pressure regulator, make grade adjustable voltage that has of multipath magnetic circuit power transformer BT101-BT103 array output 1.5V-12V, coordinate RL impedance adjustment to realize grade adjustable current that has of 500A-6000A range of current in any electric current.
By being arranged on high-accuracy voltage current sensing means and the data acquisition system (DAS) of multipath magnetic circuit power transformer BT out secondary, carry out from motion tracking current stabilization, automatic record, the variation of effective monitoring real work electric current according to setting value.Meet the temperature rise test request of " GB10963.1-2005/ICE60898-1:2002 electric accessories family expenses and the similar site overcurrent protection Part I that opens circuit: for the isolating switch exchanging " standard manufacture electric equipment products.
Three, can return to test:
The present invention can also set N setting current doubly to pressure regulator and multipath magnetic circuit power transformer BT combination by controller, and by load regulation resistance R, 1-R3 regulates return current.
When test, first control the setting current of N times that phase-selecting switch X101 sets phase-selecting switch conducting, then turn-off phase-selecting switch X101, at this moment the output current value of system circuit is return current value.In this example, the resistance of load regulation resistance R 1-R3 is 0.2-200 Ω.
To sum up, in embodiment mono-to three, adopt National Instruments(to be called for short NI) the establishment of Labview professional software man-machine interface, operation and process of measurement, automated procedures are reliable, measuring accuracy is high.Have powerful several quality logic controls and data-handling capacity, greatly improved the antijamming capability of whole pilot system, the little energy consumption of volume is low.Full Chinese interface, arranges simple, easy to operately, has multiple warning and self-diagnostic function.
In process of the test, if test product occurs to thread off or fault trip, this test unit automatically record is threaded off actuation time, and disconnects operating circuit and stop this time test, exits test, and the acoustic-optic alarm warning of posting a letter, until close stop alarm after test unit.This test unit can only, stopping carrying out parameter setting under trystate, all can not carry out parameter setting or amendment under any startup or halted state.
The beneficial effect that isolating switch temperature rise of the present invention, wink are moved action test device is:
1, have powerful several quality logic controls and data-handling capacity, greatly improved the antijamming capability of whole pilot system, the little energy consumption of volume is low;
2, arrange simple, easy to operately, there is multiple warning and self-diagnostic function;
3, automated procedures are reliable, and measuring accuracy is high;
4, low-loss, high-level efficiency, have accurately and to detect and control function easy and simple to handle, the accuracy of warranty test result and repeatable circuit breaker testing device.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. an isolating switch temperature rise, wink are moved action test device, it is characterized in that, include: rack, control circuit, controller and some load regulation impedances, described control circuit and controller are positioned at described rack, and described control circuit is connected with described controller by analog input card, described load regulation impedance is positioned at outside described rack;
Described control circuit includes: some multipath magnetic circuit power transformer, some multiple magnetic circuit transformer winding control device, some load regulation resistance, phase-controlled device and circuit protection device, and described multiple magnetic circuit transformer winding control device, load regulation resistance, phase-controlled device and circuit protection device are positioned at the primary side of described multipath magnetic circuit power transformer;
Described multiple magnetic circuit transformer is connected with load regulation impedance phase;
Described control circuit also includes: voltage monitoring device, current sensing means and data collector, described voltage monitoring device, current sensing means and data collector are positioned at the out secondary of described multipath magnetic circuit power transformer.
2. isolating switch temperature rise as claimed in claim 1, wink are moved action test device, it is characterized in that, described multiple magnetic circuit transformer winding control device includes the first A.C. contactor and the second A.C. contactor, and between described the first A.C. contactor and the second A.C. contactor, interlocking connects.
3. isolating switch temperature rise as claimed in claim 2, wink are moved action test device, it is characterized in that, described load regulation resistance is adjustable resistor, and load regulation resistance is set to 3, be respectively the first load regulation resistance, the second load regulation resistance and the 3rd load regulation resistance, described the first load regulation resistance, the second load regulation resistance and the 3rd load regulation resistance are controlled by one of the first A.C. contactor or second A.C. contactor.
4. isolating switch temperature rise as claimed in claim 1, wink are moved action test device, it is characterized in that, described multipath magnetic circuit power transformer is set to 3, is respectively the first multipath magnetic circuit power transformer, the second multipath magnetic circuit power transformer and the 3rd multipath magnetic circuit power transformer;
Described load regulation impedance is set to 3, and is adjustable reactor, is set to respectively the first load regulation impedor, the second load regulation impedor and the 3rd load regulation impedor;
Described the first multipath magnetic circuit power transformer, the second multipath magnetic circuit power transformer, the 3rd multipath magnetic circuit power transformer are connected with the first load regulation impedor, the second load regulation impedor, the 3rd load regulation impedor respectively.
5. isolating switch temperature rise as claimed in claim 1, wink are moved action test device, it is characterized in that, described isolating switch temperature rise, wink are moved action test device and also include display interface parameter setting apparatus, and described display interface parameter setting apparatus is connected with described controller.
6. isolating switch temperature rise as claimed in claim 5, wink are moved action test device, it is characterized in that, described display interface parameter setting apparatus includes touching display screen, current sampling device and voltage sampling apparatus; Described current collecting device, voltage collecting device all include coil, integrating gear and Hall element, and current collecting device, voltage collecting device are connected with described controller respectively.
7. isolating switch temperature rise as claimed in claim 1, wink are moved action test device, it is characterized in that, described isolating switch temperature rise, wink are moved action test device and also include alarm protecting apparatus, and described alarm protecting apparatus is connected with described control circuit.
8. the moving action test device of isolating switch temperature rise as claimed in claim 7, wink, is characterized in that, described alarm protecting apparatus include post a letter, sound and light alarm and electric security protector device.
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CN201410311903.1A CN104198927A (en) | 2014-07-02 | 2014-07-02 | Breaker temperature rising and snap action testing device |
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Publication number | Priority date | Publication date | Assignee | Title |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040257086A1 (en) * | 2003-06-19 | 2004-12-23 | International Business Machines Corporation | Method and apparatus for testing a micro electromechanical device |
CN101169469A (en) * | 2007-11-20 | 2008-04-30 | 中国电力科学研究院 | High voltage tandem thyristor valve unlocking overcurrent test method |
CN201110885Y (en) * | 2007-11-09 | 2008-09-03 | 天津市百利电气有限公司 | Universal type circuit breaker overcurrent characteristic detecting device |
CN201110884Y (en) * | 2007-11-09 | 2008-09-03 | 天津市百利电气有限公司 | Universal type circuit breaker multiple stations characteristic detect control device |
CN201259531Y (en) * | 2008-08-11 | 2009-06-17 | 天津市百利电气有限公司 | Magnetic characteristic detection and test apparatus for circuit breaker |
CN202003008U (en) * | 2011-03-18 | 2011-10-05 | 武汉大学 | Thermostabilization testing device for DC (direct current) surge protector |
CN103675671A (en) * | 2013-12-17 | 2014-03-26 | 西安交通大学 | Temperature rise test system for high-voltage switch gear |
CN103744018A (en) * | 2014-01-16 | 2014-04-23 | 常州市明及电气技术开发有限公司 | On-line monitoring system aiming at high-voltage circuit breaker |
CN203941273U (en) * | 2014-07-02 | 2014-11-12 | 苏州上电科电气设备有限公司 | A kind of isolating switch temperature rise, wink are moved action test device |
-
2014
- 2014-07-02 CN CN201410311903.1A patent/CN104198927A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040257086A1 (en) * | 2003-06-19 | 2004-12-23 | International Business Machines Corporation | Method and apparatus for testing a micro electromechanical device |
CN201110885Y (en) * | 2007-11-09 | 2008-09-03 | 天津市百利电气有限公司 | Universal type circuit breaker overcurrent characteristic detecting device |
CN201110884Y (en) * | 2007-11-09 | 2008-09-03 | 天津市百利电气有限公司 | Universal type circuit breaker multiple stations characteristic detect control device |
CN101169469A (en) * | 2007-11-20 | 2008-04-30 | 中国电力科学研究院 | High voltage tandem thyristor valve unlocking overcurrent test method |
CN201259531Y (en) * | 2008-08-11 | 2009-06-17 | 天津市百利电气有限公司 | Magnetic characteristic detection and test apparatus for circuit breaker |
CN202003008U (en) * | 2011-03-18 | 2011-10-05 | 武汉大学 | Thermostabilization testing device for DC (direct current) surge protector |
CN103675671A (en) * | 2013-12-17 | 2014-03-26 | 西安交通大学 | Temperature rise test system for high-voltage switch gear |
CN103744018A (en) * | 2014-01-16 | 2014-04-23 | 常州市明及电气技术开发有限公司 | On-line monitoring system aiming at high-voltage circuit breaker |
CN203941273U (en) * | 2014-07-02 | 2014-11-12 | 苏州上电科电气设备有限公司 | A kind of isolating switch temperature rise, wink are moved action test device |
Non-Patent Citations (1)
Title |
---|
李践飞 等: "低压断路器特性试验台设计", 《低压断路器特性试验台设计》 * |
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CN108303643A (en) * | 2018-01-15 | 2018-07-20 | 温州大学苍南研究院 | A kind of method for fast measuring of miniature circuit breaker thermal time constant |
CN108333502A (en) * | 2018-01-15 | 2018-07-27 | 温州大学苍南研究院 | A method of measuring miniature circuit breaker operating temperature |
CN108333502B (en) * | 2018-01-15 | 2020-05-05 | 温州大学苍南研究院 | Method for measuring action temperature of miniature circuit breaker |
CN108303643B (en) * | 2018-01-15 | 2020-05-05 | 温州大学苍南研究院 | Method for rapidly measuring thermal time constant of miniature circuit breaker |
CN112444739A (en) * | 2019-08-29 | 2021-03-05 | 中车长春轨道客车股份有限公司 | Testing device |
CN110988670A (en) * | 2019-12-27 | 2020-04-10 | 中国人民解放军海军潜艇学院 | Heavy current generating device and device for circuit breaker calibration |
CN116449164A (en) * | 2023-06-12 | 2023-07-18 | 苏州精控能源科技有限公司 | Insulation detection method, system and storage medium for industrial and commercial energy storage alternating current-direct current system |
CN116449164B (en) * | 2023-06-12 | 2023-08-22 | 苏州精控能源科技有限公司 | Insulation detection method, system and storage medium for industrial and commercial energy storage alternating current-direct current system |
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