CN207352094U - Three-phase alternating current capacitor durability test equipment - Google Patents
Three-phase alternating current capacitor durability test equipment Download PDFInfo
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- CN207352094U CN207352094U CN201721406113.7U CN201721406113U CN207352094U CN 207352094 U CN207352094 U CN 207352094U CN 201721406113 U CN201721406113 U CN 201721406113U CN 207352094 U CN207352094 U CN 207352094U
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Abstract
The utility model three-phase alternating current capacitor durability test equipment, including core controller, connect the automatic voltage regulator of core controller, display device, protection circuit, collection of simulant signal detector, passage switching switch；Further include booster apparatus, reactance compensation circuit and connection collection of simulant signal detector, the testing stand for loading three-phase alternating current capacitor of interface channel switching switch；The output terminal of automatic voltage regulator connects the input terminal of the input terminal of reactance compensation circuit, testing stand by booster apparatus.Automatic voltage regulator is controlled to adjust three-phase alternating-current supply voltage by core controller, durability test is carried out to three-phase alternating current capacitor in testing stand after boosted equipment and reactance compensation the regulation of electrical circuit, test data is gathered by collection of simulant signal detector and is fed back to core controller and handled；Based on the utility model, it can be achieved that test to three-phase alternating current capacitor durability.
Description
Technical field
Electronic component experimental technique field is the utility model is related to, is tried more particularly to three-phase alternating current capacitor durability
Test equipment.
Background technology
Three-phase alternating current capacitor is widely used in electric system, and harmonic pollution can be renovated, improve work(by coordinating with reactor
Rate factor, improve power quality, reduce power loss, avoid system harmonics overload and collapse of voltage, elimination from setting power electronics
Standby interference, and then save considerable construction investment and operating cost.Three-phase alternating current capacitor is the pass in distribution reactive-load compensation
Key device, its application field require that its quality safety is reliable；The service life length of three-phase alternating current capacitor in use is straight
Connect the normal operational condition for affecting electric power system and power electronic equipment.Therefore, it is necessary to detect the resistance to of three-phase alternating current capacitor
Long performance, it is ensured that its quality to work long hours.
During the endurance quality experiment of capacitor, inventor has found that at least there are the following problems in conventional art：Pass
The AC capacitor durability test equipment of system is all to be only used for single-phase alternating current container to celebrate the birthday life experiment, can not be intersecting to three
The endurance quality of galvanic electricity container is tested.
Utility model content
Based on this, it is necessary to can not be to three-phase alternating current capacitor for traditional AC capacitor durability test equipment
A kind of the problem of endurance quality is tested, there is provided three-phase alternating current capacitor durability test equipment.
To achieve these goals, the utility model embodiment provides a kind of three-phase alternating current capacitor endurancing and sets
It is standby, including core controller, connect the automatic voltage regulator of core controller, display device, protection circuit, collection of simulant signal inspection
Survey device, passage switching switch；
Further include booster apparatus, the reactance compensation circuit of interface channel switching switch and connection collection of simulant signal detection
Device, the testing stand for loading three-phase alternating current capacitor；
The output terminal of automatic voltage regulator connects reactance compensation circuit, testing stand by booster apparatus.
In one of the embodiments, automatic voltage regulator includes motor, shaft joint, pressure regulator and the speed governing for connecting motor
Device；
Motor connects pressure regulator by shaft joint；
The input terminal connection three-phase alternating-current supply of pressure regulator, output terminal connection booster apparatus.
In one of the embodiments, automatic voltage regulator further includes screw rod and the spacing of extreme end arranged on pressure regulator is opened
Close；
Shaft joint triggers limit switch by screw rod.
In one of the embodiments, governor includes speed shelves switching circuit.
In one of the embodiments, passage switching switch includes relay；Reactance compensation circuit includes A.C. contactor；
Core controller connects A.C. contactor by relay.
In one of the embodiments, collection of simulant signal detector include sequentially connected rectification circuit, amplifying circuit,
Analog switching circuit and analog-digital converter；
The input terminal joint test platform of rectification circuit；The output terminal connection core controller of analog-digital converter.
In one of the embodiments, collection of simulant signal detector further includes bleeder circuit and isolating transformer；
The input terminal joint test platform of bleeder circuit, output terminal connect the input terminal of rectification circuit by isolating transformer.
In one of the embodiments, collection of simulant signal detector further includes the mutual inductor of joint test platform；
Mutual inductor connects the input terminal of rectification circuit.
In one of the embodiments, booster apparatus includes three-phase isolation transformer；
The output terminal of the input terminal connection automatic voltage regulator of three-phase isolation transformer, output terminal connection reactance compensation circuit,
Testing stand.
In one of the embodiments, the voltage regulator module of connection core controller is further included.
The utility model has the following advantages that and beneficial effect：
The utility model adjusts three-phase alternating-current supply voltage, boosted equipment using core controller control automatic voltage regulator
Durability test is carried out to three-phase alternating current capacitor in testing stand with after reactance compensation the regulation of electrical circuit, is detected by collection of simulant signal
Device gathers test data and feeds back to core controller and handled；The utility model can be to the durable of three-phase alternating current capacitor
Performance is tested.
Brief description of the drawings
By being more particularly described for the preferred embodiment of the utility model shown in attached drawing, addressed on the utility model
Other purposes, feature and advantage will become more fully apparent.Identical reference numeral indicates identical part in whole attached drawings, and
Deliberately attached drawing is not drawn by actual size equal proportion scaling, it is preferred that emphasis is the purport of the utility model is shown.
Fig. 1 is the structure diagram of the utility model three-phase alternating current capacitor durability test equipment embodiment 1；
Fig. 2 be booster apparatus and reactance compensation circuit in the utility model three-phase alternating current capacitor durability test equipment,
The attachment structure schematic diagram of testing stand；
Fig. 3 is that the structure that voltage regulator module is connected in the utility model three-phase alternating current capacitor durability test equipment is shown
It is intended to.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in fact in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is the public affairs made to the utility model
Open content more thorough and comprehensive.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element and it is in combination be integrated, or may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more relevant Listed Items.
Three-phase alternating current capacitor is widely used in electric system, is the Primary Component in distribution reactive-load compensation；Three-phase alternating current
Capacitor requires that quality safety is reliable using field each, its service life length in use directly affects power supply system
The normal operational condition of system and power electronic equipment.Therefore, it is necessary to develop relevant testing equipment to be used to detect three-phase alternating current
The endurance quality of container, it is ensured that its quality to work long hours.But traditional AC capacitor durability equipment is all to use
Celebrate the birthday in single-phase alternating current container and order experiment, still can not be tested for the endurance quality in terms of three-phase alternating current capacitor；
For this reason, the utility model provides a kind of three-phase alternating current capacitor durability test equipment, referring to Fig. 1, Fig. 1 is this reality
With the structure diagram of novel three-phase alternating-current capacitor durability test equipment embodiment 1, including core controller 110, connection
It is the automatic voltage regulator 120 of core controller 110, display device 130, protection circuit 140, collection of simulant signal detector 150, logical
Road switching switch 160；
Further include booster apparatus 170, the reactance compensation circuit 180 and connection simulation letter of interface channel switching switch 160
Number acquisition testing device 150, the testing stand 190 for loading three-phase alternating current capacitor；
The output terminal of automatic voltage regulator 120 connects reactance compensation circuit 180, testing stand 190 by booster apparatus 170.
Specifically, three-phase alternating current chamber test sample can be connected and be loaded into testing stand in environment is provided
In 190, the parameters needed for experiment are set based on display device 130, specifically, may include to test required voltage, are tested
Time, test type selection (single-phase sample/three-phase sample), voltage adjust automatically scope etc.；When experiment starts, testing equipment is complete
It is automatic to carry out sampling test；
The utility model by collection of simulant signal detector detect charging voltage, by core controller 110 according to voltage,
Relation between charging interval and capacitance, carries out the processing of data, accurately changes out each compatible amount of test specimen；Surveying
After obtaining amount of capacity, core controller 110 sends instruction control passage switching switch 160 and matches phase with reactance compensation circuit 180
The reactance answered, is compensated automatically；The parameters set according to display device 130, core controller 110 send instruction, control
Three-phase alternating-current supply voltage is adjusted in automatic voltage regulator 120 processed；The boosted equipment 170 of voltage is transferred to reactance benefit after boosting
Repay circuit 180 and testing stand 190；Collection of simulant signal detector 150 transmit from testing stand 190 gather sample voltage signal to
Core controller 110, is handled by core controller 110, judges whether to be raised to target voltage, i.e. voltage needed for experiment；
Further, protection circuit 140 is handled according to the status signal that core controller 110 is fed back, and passes through core
Heart controller 110 carries out malfunction coefficient prompting, control alarm on display device 130.
It should be noted that core controller 110 includes the programmable logic controller (PLC) of system integration control, available for connecing
The collection of letters number, processing signal, transmission information and instruction etc.；Specifically, including receiving the test parameters set through display device 130,
The automatic signal for receiving and processing collection of simulant signal detector 150, judges whether charging voltage reaches the test parameters of setting
Value, is transferred to display device 130 after calculating the parameter of test specimen, sends instructions to passage switching switch 160 and cut into row of channels
Change, automatic voltage regulator 120 sent instructions to according to test parameters, send instructions to protection circuit 140 to equipment, hardware circuit into
Capable protection；
Automatic voltage regulator 120 can be used for the voltage for adjusting three-phase alternating-current supply；The instruction sent according to core controller 110
Voltage is adjusted, reaches the test voltage of durability test equipment requirement；
Display device 130 can be used for building the passage that people interacts with equipment, realize human-computer interaction, complete in endurancing
The setting and display of parameters；Display device 130 and core controller 110 may each comprise RS232 communication interfaces, display device
130 can connect core controller 110 to realize that control works asynchronously with what is shown by connection；Can by display device 130
To monitor line current in real time；Display device 130 includes display, which can be the display with touch-screen；
Protection circuit 140 can be used for the malfunction of automatic detection testing equipment and carry out timely processing；It may include overcurrent
Protect circuit 140, overvoltage crowbar 140, under-voltage protecting circuit 140 and open-phase protection circuit 140 etc.；Various protections can lead to
Cross and status signal fed back into core controller 110, after being judged by core controller 110, transmit instructions to protection circuit 140,
Testing equipment is protected；It can ensure being smoothed out for endurancing, meanwhile, prevent shadow of the three-phase electricity to hardware circuit
Ring, improve the safety in utilization of testing equipment；
Specifically, current foldback circuit 140 can protection circuit electric current and phase current be no more than the maximum current value allowed,
With anti-tamper transformer；Overvoltage crowbar 140 can prevent test voltage more than the maximum voltage value allowed to damage transformer；
Under-voltage protecting circuit 140 instrument can be stopped when operating supply voltage is less than certain value, to prevent damage testing equipment
Device；Open-phase protection circuit 140 is in power supply phase shortage, instrument is stopped, to prevent damage instrument；Various protections
Circuit 140 can be made of rectification circuit, comparator, rapidly switched tube and relay circuit, by core controller 110 according to anti-
It is fed back to the state come to be handled, and malfunction coefficient prompting is carried out on display device 130 by core controller 110 and is controlled
Alarm；
Collection of simulant signal detector 150 can be used for voltage, the electricity of three-phase alternating current capacitor in circling measurment testing stand 190
The parameters such as stream；The input analog signal of various samplings, such as charging voltage, after the processing of collection of simulant signal detector 150, passes
It is defeated by core controller 110；Sample detecting mold can each phase phase current of circling measurment and line current, and controlled by core automatically
Device 110 is shown in display device 130；
Passage switching switch 160 can be by the break-make of various switches, A.C. contactor and relay come switching tests equipment
Each passage；Passage switching switch 160 is connected with core controller 110, by the instruction that core controller 110 is sent into action
Make, and then complete the break-make switching of various passages；Automatic compensating reactance can be achieved, whether control voltage exports, guarantee three-phase
The execution of AC capacitor endurancing；
Booster apparatus 170 can be used for rise three-phase alternating-current supply voltage, reach the voltage of durability test equipment setting；Tool
Body, the output terminal of the input terminal connection automatic voltage regulator 120 of booster apparatus 170, the three-phase that rise automatic voltage regulator 120 exports
After AC supply voltage, reactance compensation circuit 180 and testing stand 190 are transmitted to by output terminal；
Reactance compensation circuit 180 can be used for producing parallel resonance, reduce line current；Specifically, reactance compensation circuit 180
Can be in parallel with the three-phase alternating current capacitor sample in testing stand 190, parallel resonance is formed, at this time, the total current of circuit is minimum, and
Branch current is more than the total current in circuit, so as to raise 190 sample capacity of testing stand, reduces the output power of testing equipment,
Considerably reduce power consumption；
Further, core controller 110 monitors the progress of capacitor experiment, the three-phase alternating current capacitor during experiment
During volume change excessive (i.e. line current change is excessive), sends instruction Control experiment equipment and be depressured automatically, utilize reactance compensation
Circuit 180 is further continued for testing after compensating reactance again, changes and was made in the past because test specimen volume change is excessive during experiment
Into the phenomenon of fault interrupting experiment, device hardware circuit had both been protected, has ensured Electrical Safety, in turn ensure that the continuity of experiment, no
Delay the progress of experiment.
Testing stand 190 is used to load three-phase alternating current capacitor sample, the voltage that booster apparatus 170 transmits is received, to sample
Tested, and sampling test data are fed back by collection of simulant signal detector 150.
The utility model controls automatic voltage regulator to adjust three-phase alternating-current supply voltage, boosted equipment by core controller
Durability test is carried out to three-phase alternating current capacitor in testing stand with after reactance compensation the regulation of electrical circuit, is detected by collection of simulant signal
Device gathers test data and feeds back to core controller and handled；Overcome traditional AC capacitor durability test equipment
The problem of endurance quality of three-phase alternating current capacitor can not being tested；Based on the utility model, realize to three-phase alternating current
The test of container durability, has filled up the blank of domestic three-phase alternating current capacitor endurance quality test, in addition, the utility model is also
Endurancing can be carried out to single-phase alternating current container.
In specific one embodiment, automatic voltage regulator includes motor, shaft joint, pressure regulator and the tune for connecting motor
Fast device；
Motor connects pressure regulator by shaft joint；
The input terminal connection three-phase alternating-current supply of pressure regulator, output terminal connection booster apparatus.
Specifically, pressure regulator one end connection three-phase alternating-current supply, other end connection booster apparatus；Based on core controller
The test parameters of transmission, is adjusted pressure regulator by motor and shaft joint, and three-phase alternating-current supply is converted to needed for experiment
Voltage parameter；Wherein, the slewing rate of motor can be adjusted by governor, according to test parameters, be changed with different speed
Become the parameter of pressure regulator；Further, motor can be accurate speed regulating motor.
In specific one embodiment, automatic voltage regulator further includes screw rod and the spacing of extreme end arranged on pressure regulator is opened
Close；
Shaft joint triggers limit switch by screw rod.
Specifically, limit switch is set at pressure regulator both ends, screw rod is set on shaft joint；Drive of the shaft joint in motor
Under dynamic, limit switch is triggered by screw rod, and then judges maximum voltage position and minimum voltage position that pressure regulator is adjusted；Adjust
The effect of depressor upper limit position switch is to protect the adjustable range of pressure regulator, prevents motor from being damaged caused by being adjusted to pressure regulator；It is logical
The break-make feedback of limit switch is crossed, core controller can determine whether pressure regulator state, realizes that the 0V (volt) of voltage plays conditioning function, protects
Demonstrate,proved the safe to use of equipment, and by data processing after, judge whether to lift.
In specific one embodiment, governor includes speed shelves switching circuit.
Specifically, the adjustable resistance in governor can be repacked into two kinds of fixed value resistances by speed shelves switching circuit, with after
Electric appliance carries out resistance value selection；After core controller judges test voltage, switch the speed of governor by controlling relay；
Specifically, when virtual voltage rises to the 90% of test voltage, core controller control governor switches to slow-action die pressing type,
To ensure the accuracy of pressure regulation；And before virtual voltage is not up to the 90% of test voltage, core controller control governor
Rapid pressure adjusting pattern is switched to, accelerates the process of experiment pressure regulation.
In specific one embodiment, passage switching switch includes relay；Reactance compensation circuit includes ac contactor
Device；
Core controller connects A.C. contactor by relay.
Specifically, passage switching switch can coordinate with reactance compensation circuit, carry out reactance compensation automatically；Passage switching is opened
The relay coil in the Central Shanxi Plain is connected with core controller, and the instruction sent by core controller controls its on off operating mode；Hand over
Flowing contactor is connected in reactance compensation circuit, for the reactance for selecting to compensate, is also used for being connected on reactance compensation circuit
It is used to control whether voltage exports between test specimen；The on-off line operation ac contactor that core controller passes through relay coil
Device, and then the switching of passage is performed, realize whether automatic compensating reactance, control voltage export, ensure three-phase alternating current capacitor
The progress of endurancing.
Specifically, as shown in Fig. 2, Fig. 2 is to boost to set in the utility model three-phase alternating current capacitor durability test equipment
For 170 and reactance compensation circuit 180, the attachment structure schematic diagram of testing stand 190；Reactance compensation circuit 180 can be by ac contactor
Device and reactance composition, A.C. contactor is connected in the loop with reactance, according to the capacity of each phase capacitance detected, automatic compensation
Suitable reactance, every stepping of 20 μ F (microfarad)；Wherein, including the not same order such as 0~20 μ F, 20~40 μ F, 40~60 μ F
Section, a kind of every section of corresponding reactance of inductance value of compensation.
In specific one embodiment, collection of simulant signal detector includes sequentially connected rectification circuit, amplification electricity
Road, analog switching circuit and analog-digital converter；
The input terminal joint test platform of rectification circuit；The output terminal connection core controller of analog-digital converter.
Specifically, collection of simulant signal detector collection input analog signal can rectified circuit do rectification processing,
After carrying out signal amplification by amplifying circuit again, analog signal is exported by the output channel of analog switching circuit；Analog-digital converter
Dock after received analog signal is changed and be transferred to core controller；After core controller handles signal, it can pass
Display device is defeated by show；
Specifically, rectification circuit can be precise rectification circuit, analog-digital converter can be high-speed AD converter；Precision rectifying
Circuit and amplifying circuit can be integrated in PCB (Printed Circuit Board, printed circuit board (PCB)) circuit board；Testing stand is defeated
The analog signal gone out is input in precise rectification circuit, and amplifying circuit is transferred to after rectification, by low level signal amplification into after big signal
It is transferred to again through analog switching circuit in high-speed AD converter, core control is transferred to after converting analog signals into digital signal
Device processed is handled；
By the data processing of high-speed AD converter and core controller, the work(of test voltage adjust automatically is realized
Can, caused by overcoming voltage fluctuation the drawbacks of result of the test accuracy aspect.
In specific one embodiment, collection of simulant signal detector further includes bleeder circuit and isolating transformer；
The input terminal joint test platform of bleeder circuit, output terminal connect the input terminal of rectification circuit by isolating transformer.
Specifically, the voltage signal of testing stand is gathered, the electric resistance partial pressure through bleeder circuit produces ac voltage signal, then
Rectification circuit of the output voltage analog signal to collection of simulant signal detector after being isolated by isolating transformer；That is, by testing stand
Voltage signal carry out voltage division processing after obtain small voltage signal, then after isolating by isolating transformer, carry out the processing such as rectification；
Core controller can handle the voltage analog signal crossed by collection of simulant signal detector processes, judge booster apparatus transmission
Whether virtual voltage is raised to voltage needed for experiment；
It should be noted that big signal can be changed into accessible small-signal by bleeder circuit；And use isolating transformer can
Play safeguard protection；Specifically, the gathered data in a manner of isolation, and then avoid each alternate to hardware electricity in three-phase electricity
Influence caused by road, collection of simulant signal detector, improves the usage safety performance of equipment.
In specific one embodiment, collection of simulant signal detector further includes the mutual inductor of joint test platform；
Mutual inductor connects the input terminal of rectification circuit.
Specifically, the electric current in testing stand after mutual inductor is handled output current analog signal to collection of simulant signal
The rectification circuit of detector；
Pass through bleeder circuit, isolating transformer, mutual inductor, rectification circuit, amplifying circuit, analog switching circuit and modulus
The cooperation of converter, collection of simulant signal detector can each phase phase current of circling measurment and line currents, and pass through core control automatically
Device processed is shown in the display device.
In specific one embodiment, booster apparatus includes three-phase isolation transformer；
The output terminal of the input terminal connection automatic voltage regulator of three-phase isolation transformer, output terminal connection reactance compensation circuit,
Testing stand.
Specifically, by the pressure regulation of pressure regulator, three-phase isolation transformer is transferred to reactance benefit after being adjusted to voltage
Repay circuit and testing stand；Using three-phase isolation transformer, the adjustment and transmission of voltage are carried out in a manner of isolation, three-phase can be avoided
Each alternate influence caused by hardware circuit, collection of simulant signal detector in electricity, and improve the use peace of testing equipment
Quan Xing.
Further, existing AC capacitor durability equipment does not possess voltage automatic regulating function, and due to China
Alternating current use has a height crest segment, and voltage fluctuation is inevitable phenomenon, also, standard GB/T/T3667.1-2016 (eqv
IEC60252-1：2013) clear stipulaties in：For endurancing, test voltage deviation is ± 2%；
Consider the above situation, the utility model is the reliability for ensuring three-phase alternating current capacitor endurancing；
In specific one embodiment, the voltage regulator module 111 of connection core controller 110 is further included.Such as Fig. 3 institutes
Show, Fig. 3 is the structural representation that voltage regulator module 111 is connected in the utility model three-phase alternating current capacitor durability test equipment
Figure；
Specifically, when voltage regulator module 111 exceeds preset range available for test voltage, it is adjusted automatically；
Specifically, during experiment, when voltage fluctuation exceedes preset range, voltage regulator module 111 starts, and passes through
Core controller 110 controls automatic voltage regulator 120 to realize automatic Regulation, and judges whether to reach target by core controller 110
Voltage.
The utility model adjusts three-phase alternating-current supply voltage, boosted equipment using core controller control automatic voltage regulator
Durability test is carried out to three-phase alternating current capacitor in testing stand with after reactance compensation the regulation of electrical circuit, is detected by collection of simulant signal
Device gathers test data and feeds back to core controller and handled；Solve the problems, such as three-phase alternating current capacitor endurancing,
Equipment dependability and automation performance are improved at the same time；Based on the utility model, the survey to three-phase alternating current capacitor durability is realized
Examination, safety is provided for three-phase alternating current container production and manufacturer, easy to operate, the authentic experiments equipment of automatic operating,
Endurancing can be carried out to its product；Moreover it is possible to endurancing is carried out to single-phase alternating current container；
The utility model employs isolating transformer in voltage signal sampling, is carried out in a manner of isolation, avoids three
Mutually each alternate influence caused by hardware circuit, collection of simulant signal detector in electricity, and improve the safe to use of equipment
Performance；The function of test voltage adjust automatically is realized by the data processing of high speed analog-digital conversion processor and core controller, is kept away
The drawbacks of in terms of result of the test accuracy caused by having exempted from voltage fluctuation；Line current can be monitored in real time by display device；
Monitored by core controller, send and refer to when condenser capacity change excessive (i.e. line current change is excessive) during experiment
Make control device instrument to be depressured automatically, be further continued for testing after compensating reactance again, change in the past because being tested during experiment
The excessive phenomenon for causing fault interrupting to test of sample capacity change, had not only protected device hardware, has ensured Electrical Safety, but also guarantee test
Continuity, do not delay the progress of experiment.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of three-phase alternating current capacitor durability test equipment, it is characterised in that including core controller, connect the core
The automatic voltage regulator of controller, display device, protection circuit, collection of simulant signal detector, passage switching switch；
Booster apparatus is further included, connects the reactance compensation circuit and the connection collection of simulant signal of the passage switching switch
Detector, the testing stand for loading three-phase alternating current capacitor；
The output terminal of the automatic voltage regulator connects the reactance compensation circuit, the testing stand by the booster apparatus.
2. three-phase alternating current capacitor durability test equipment according to claim 1, it is characterised in that the automatic Regulation
Device includes the governor of motor, shaft joint, pressure regulator and the connection motor；
The motor connects the pressure regulator by the shaft joint；
The input terminal connection three-phase alternating-current supply of the pressure regulator, output terminal connect the booster apparatus.
3. three-phase alternating current capacitor durability test equipment according to claim 2, it is characterised in that the automatic Regulation
Device further includes screw rod and the limit switch of the extreme end arranged on the pressure regulator；
The shaft joint triggers the limit switch by the screw rod.
4. three-phase alternating current capacitor durability test equipment according to claim 2, it is characterised in that
The governor includes speed shelves switching circuit.
5. three-phase alternating current capacitor durability test equipment according to claim 1, it is characterised in that
The passage switching switch includes relay；The reactance compensation circuit includes A.C. contactor；
The core controller connects the A.C. contactor by the relay.
6. three-phase alternating current capacitor durability test equipment according to claim 1, it is characterised in that the analog signal
Acquisition testing device includes sequentially connected rectification circuit, amplifying circuit, analog switching circuit and analog-digital converter；
The input terminal of the rectification circuit connects the testing stand；The output terminal of the analog-digital converter connects the core control
Device.
7. three-phase alternating current capacitor durability test equipment according to claim 6, it is characterised in that
The collection of simulant signal detector further includes bleeder circuit and isolating transformer；
The input terminal of the bleeder circuit connects the testing stand, and output terminal connects the rectified current by the isolating transformer
The input terminal on road.
8. three-phase alternating current capacitor durability test equipment according to claim 6, it is characterised in that
The collection of simulant signal detector further includes the mutual inductor for connecting the testing stand；
The mutual inductor connects the input terminal of the rectification circuit.
9. three-phase alternating current capacitor durability test equipment according to claim 1, it is characterised in that
The booster apparatus includes three-phase isolation transformer；
The input terminal of the three-phase isolation transformer connects the output terminal of the automatic voltage regulator, and output terminal connects the reactance and mends
Repay circuit, the testing stand.
10. the three-phase alternating current capacitor durability test equipment according to claim 1 to 9 any one, it is characterised in that
Further include the voltage regulator module for connecting the core controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406113.7U CN207352094U (en) | 2017-10-26 | 2017-10-26 | Three-phase alternating current capacitor durability test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406113.7U CN207352094U (en) | 2017-10-26 | 2017-10-26 | Three-phase alternating current capacitor durability test equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208370A (en) * | 2020-01-16 | 2020-05-29 | 宁波市江北九方和荣电气有限公司 | Full-automatic test device for capacitor aging test |
| CN111724658A (en) * | 2019-03-22 | 2020-09-29 | 江苏和网源电气有限公司 | Simple program-controlled variable alternating-current experimental power supply device |
| CN117233556A (en) * | 2023-11-10 | 2023-12-15 | 西安高压电器研究院股份有限公司 | Overvoltage test system for high-voltage alternating-current capacitor |
-
2017
- 2017-10-26 CN CN201721406113.7U patent/CN207352094U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111724658A (en) * | 2019-03-22 | 2020-09-29 | 江苏和网源电气有限公司 | Simple program-controlled variable alternating-current experimental power supply device |
| CN111208370A (en) * | 2020-01-16 | 2020-05-29 | 宁波市江北九方和荣电气有限公司 | Full-automatic test device for capacitor aging test |
| CN117233556A (en) * | 2023-11-10 | 2023-12-15 | 西安高压电器研究院股份有限公司 | Overvoltage test system for high-voltage alternating-current capacitor |
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