CN104007384B - Circuit breaker mechanical property test platform and test method - Google Patents
Circuit breaker mechanical property test platform and test method Download PDFInfo
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- CN104007384B CN104007384B CN201410200753.7A CN201410200753A CN104007384B CN 104007384 B CN104007384 B CN 104007384B CN 201410200753 A CN201410200753 A CN 201410200753A CN 104007384 B CN104007384 B CN 104007384B
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Abstract
The invention discloses a circuit breaker mechanical property test platform. The circuit breaker mechanical property test platform comprises a computer host. The computer host is connected with an interface panel and connected with a plurality of test devices through wires respectively, and the test devices are connected with sensors through test lines. The invention further discloses a test method. After a circuit breaker is connected with the test platform, the circuit breaker is tested through a real-time data processing algorithm embedded in a master control panel. Compared with an original circuit breaker mechanical property test instrument, the circuit breaker mechanical property test platform has the advantages that the precision and the efficiency of tests on mechanical properties of the circuit breaker can be effectively improved, test error is reduced, and product faults can be found in time so that sub-quality products can be prevented from being put into operation.
Description
Technical field
The invention belongs to breaker mechanic property test Apparatus and method for technical field, relate to one
Breaker mechanic property test platform, the invention still further relates to breaker mechanic property test platform
Method of testing.
Background technology
Along with the construction energetically of developing rapidly of power system, especially intelligent substation, to height
The reliability of voltage switching station proposes tightened up requirement.Chopper as in power system
Main control and protection equipment, its importance is self-evident.The control action of chopper is main
It is presented as: can reliably put into or exit corresponding electrical equipment and circuit, to meet electrical network
Real-time requirement；The protective effect of chopper is mainly reflected in: can fast and effeciently excise circuit
The part broken down with electrical equipment, it is ensured that the circuit not broken down and electrical equipment energy
Enough safe operations.
Fault refers to system or equipment cisco unity malfunction, also includes the flaw of system.Chopper
Fault mainly includes: refuses to close, refuse point, conjunction and several fault type that by mistake grades by mistake.Wherein,
Mechanism's bite, core slackness or bite, part distortion or damage and the bug list such as malfunctioning of threading off
It it is now operating mechanism fault.The contact of power failure, secondary connection is bad, auxiliary switch switches not
Spirit and terminal loosen and show as electric fault (main control or slave part).
Conventional breaker mechanic property test is mainly carried out by light oscillograph, but due to
Itself precision is the highest, data storage difficulty is difficult to carry out the reasons such as subsequent treatment and gradually eliminates.
Occur in that the most again and use the test system of digital storage oscilloscope and be equipped with notebook computer
Tester, it is more suitable for the on-the-spot test of user, but they easily produce Dead Time, make
Become the danger of data packetloss, there is the coarse shortcoming of data signal of measurement.
Summary of the invention
It is an object of the invention to provide a kind of breaker mechanic property test platform, can not only
It is effectively improved breaker mechanic property measuring accuracy and testing efficiency, finds that product lacks the most in time
Fall into, it is to avoid substandard product puts into operation.
Another object of the present invention is to provide the test side of breaker mechanic property test platform
Method.
The first technical scheme of the present invention is, breaker mechanic property test platform,
Including host computer, host computer connects interface panel, and host computer passes through wire respectively
Connecting and have multiple test device, test device is connected by p-wire sensor.
The feature of the first technical scheme of the present invention also resides in；
Test device, includes digital quantity input/output board, the simulation being sequentially connected with by wire
Signal acquiring board, communication board, master control borad and power panel；The connection of digital quantity input/output board has auxiliary
Help contact；Communication board uses CAN to be connected with host computer.
DSP digital processing chip and A/D conversion chip it is provided with in master control borad.
Sensor is by photoelectric encoder, precision current sensor and divide-shut brake control signal wire group
Become；Photoelectric encoder is adsorbed on the main shaft of chopper by magnetic bases, photoelectric encoder
On the contact travel signal processing interface that output lead is connected on interface panel；Precision current senses
The input of device concatenates with splitting or integrating brake cable circle and the energy storage motor current coil of chopper, accurate
The outfan of current sensor is believed with the electric current on interface panel by divide-shut brake control signal wire
Number Processing Interface connects.
Be respectively equipped with contact travel signal processing interface on interface panel, current signal processes and connects
Mouth, common interface；Contact travel signal processing interface, current signal Processing Interface, public connect
Mouth is connected with host computer by CAN respectively.
Precision current sensor uses the precision current sensor that model is CHB-50P.
The second technical scheme of the present invention is, breaker mechanic property test platform
Method of testing, specifically implements according to following steps:
Step 1, being connected with chopper 4 by sensor 3, concrete connected mode is as follows:
Photoelectric encoder in sensor 3 is adsorbed in by magnetic bases the main shaft of chopper 4
On, the contact travel signal processing being connected on interface panel by the output lead of photoelectric encoder connects
On mouth；
By electric with the splitting or integrating brake cable circle of chopper 4 and energy storage for the input of precision current sensor
Machine current coil concatenate, the outfan of precision current sensor by divide-shut brake control signal wire with
Current signal Processing Interface on interface panel connects；
By the output interface of divide-shut brake control signal wire respectively with the on/off switch loop of chopper 4
It is connected with energy storage motor loop.
Step 2, after the sensor 3 of chopper 4 with test platform is connected by step 1,
Chopper 4 is tested by the real time data processing algorithm utilizing master control borad 8 embedded, finally shows
Show test result.
The feature of the second technical scheme of the present invention also resides in:
Step 2 is specifically implemented according to following steps:
Step 2.1, by the embedded real time data processing algorithm of master control borad, read chopper and work as
Front opening and closing state:
If the chopper current state read is gate-dividing state, then enter step 2.2；
Step 2.2, judge that chopper is in gate-dividing state through step 2.1, pass through real time data
Processing Algorithm interface operation test device, is sent breaker closing instruction by test device；
Step 2.3, by step 2.2, chopper receives to produce after reclosing command and closes a floodgate, by passing
Photoelectric encoder collection combined floodgate stroke signal in sensor, and by p-wire, combined floodgate stroke is believed
Number transmission to testing device；
Meanwhile, the electric current letter of precision current sensor output in test device gathers sensor
Number；
Step 2.4, the test device combined floodgate stroke signal to collecting through step 2.3 and electric current
Signal processes, and calls real time data processing algorithm and calculates corresponding characterisitic parameter, characteristic
Parameter is particularly as follows: switching winding current maxima, closing coil current maxima, energy storage motor
Current maxima, firm timesharing are carved and the firm conjunction；
Step 2.5, host computer, by communication interface and test device communication, receive rows
Number of passes evidence and current data, and carry out collection of illustrative plates drafting by CCStudio software, respectively obtain
Separating brake current waveform, switching current waveform, separating brake displacement, combined floodgate displacement and auxiliary contact change
Curve；
Step 2.6, will through step 2.5 obtain contact travel data, current data and separating brake electricity
Stream waveform, switching current waveform, separating brake displacement, combined floodgate displacement and auxiliary contact change curve lead to
Cross that host computer is involutory, separating brake electric current, energy storage motor electric current, contact travel parameter be at CCStudio
It is shown on software interface.
Characterisitic parameter in step 2.4 is specifically implemented according to following algorithm:
Switching winding current maxima, specifically implements according to following algorithm:
I=I (t1) * K1*K2；
Wherein, I (t1) is the maximum of switching winding sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Closing coil current maxima, specifically implements according to following algorithm:
I=I (t2) * K1*K2；
Wherein, I (t2) is the maximum of closing coil sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Energy storage motor current maxima, specifically implements according to following algorithm:
I=I (t3) * K1*K2；
Wherein, I (t3) is the maximum of energy storage motor sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Just timesharing is carved, and specifically implements according to following algorithm:
V=s/t during separating brake；
Wherein, v is instantaneous velocity, and S is the difference of adjacent 2, i.e. displacement difference, and t is 0.0001
Second, the velocity amplitude v in the sampling time is compared, the moment of speed v maximum is just divides
Moment；
Just the conjunction, specifically implement according to following algorithm:
V=s/t in making process；
Wherein, v is instantaneous velocity, and S is the difference of adjacent 2, i.e. displacement difference, and t is 0.0001
Second, the velocity amplitude v in the sampling time is compared, the moment of speed v maximum is just conjunction
Moment.
The beneficial effects of the present invention is:
(1) breaker mechanic property test platform of the present invention is provided with test device, test
Device passes through 16 bit AD samples, converts analog signals into digital signal, uses test essence
The photoelectric encoder that degree is high, anti-seismic performance is good carries out contact travel test, utilizes on host computer
Special-purpose software carry out data analysis and functional check；
(2) breaker mechanic property test platform of the present invention provides breaker control function, can
Closed a floodgate accordingly by the software on host computer, sub-switching operation.
(3), when using breaker mechanic property test platform of the present invention to test, there is survey
The advantage that examination process is succinct, convenient and measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the disconnected chopper testing mechanical characteristic platform of the present invention；
Fig. 2 be the present invention disconnected chopper testing mechanical characteristic platform in test the structure of device
Schematic diagram.
In figure, 1. host computer, 2. test device, 3. sensor, 4. chopper, 5. digital quantity
Input/output board, 6. collection of simulant signal plate, 7. communication board, 8. master control borad, 9. power panel.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
Breaker mechanic property test platform of the present invention, its structure is as it is shown in figure 1, include electricity
Brain server 1, host computer 1 connects interface panel, and host computer 1 is respectively by wire even
Being connected to multiple test device 2, test device 2 has sensor 3 by p-wire connection.
Test device 2, its structure is as in figure 2 it is shown, include the number being sequentially connected with by wire
Word amount input/output board 5, collection of simulant signal plate 6, communication board 7, master control borad 8 and power supply
Plate 9；Wherein digital quantity input/output board 5 connects has auxiliary contact, communication board 7 to use CAN
Bus is connected with host computer 1, uses DSP digital processing chip as master in master control borad 8
Control chip, and use A/D conversion chip that the analogue signal collected is changed into digital signal.
Be respectively equipped with contact travel signal processing interface on interface panel, current signal processes and connects
Mouthful, common interface, contact travel signal processing interface, current signal Processing Interface, public connect
Mouth is connected with host computer 1 by CAN respectively, completes to enter between host computer 1
Row signal transmits.
Sensor 3 is by photoelectric encoder, precision current sensor and divide-shut brake control signal wire group
Becoming, photoelectric encoder is adsorbed on the main shaft of chopper 4 by magnetic bases, photoelectric encoder
The contact travel signal processing interface that is connected on interface panel of output lead on；Precision current passes
The input of sensor concatenates with splitting or integrating brake cable circle and the energy storage motor current coil of chopper 4,
The outfan of precision current sensor is by divide-shut brake control signal wire and the electricity on interface panel
Stream signal processing interface connects.
The method of testing of breaker mechanic property test platform of the present invention, specifically according to following steps
Implement:
Step 1, being connected with chopper 4 by sensor 3, concrete connected mode is as follows:
Photoelectric encoder in sensor 3 is adsorbed in by magnetic bases the main shaft of chopper 4
On, the contact travel signal processing being connected on interface panel by the output lead of photoelectric encoder connects
On mouth；
By electric with the splitting or integrating brake cable circle of chopper 4 and energy storage for the input of precision current sensor
Machine current coil concatenate, the outfan of precision current sensor by divide-shut brake control signal wire with
Current signal Processing Interface on interface panel connects；
By the output interface of divide-shut brake control signal wire respectively with the on/off switch loop of chopper 4
It is connected with energy storage motor loop.
Step 2, after the sensor 3 of chopper 4 with test platform is connected by step 1,
Start chopper 4 is tested, specifically implement according to following steps:
Step 2.1, by the embedded real time data processing algorithm of master control borad 8, read chopper
4 current opening and closing states:
If chopper 4 current state read is gate-dividing state, then enter step 2.2；
Step 2.2, judge that chopper 4 is in gate-dividing state through step 2.1, by number in real time
Test device 2 according to Processing Algorithm interface operation, test device 2 send chopper 4 combined floodgate and refer to
Order；
Step 2.3, by step 2.2, chopper 4 receives to produce after reclosing command and closes a floodgate, by
Photoelectric encoder collection combined floodgate stroke signal in sensor 3, and by p-wire by combined floodgate row
The transmission of journey signal is to test device 2；
Meanwhile, the electricity of precision current sensor output in test device 2 gathers sensor 3
Stream signal；
Step 2.4, the test device 2 combined floodgate stroke signal to collecting through step 2.3 and electricity
Stream signal processes, and calls real time data processing algorithm and calculates corresponding characterisitic parameter, special
Property parameter particularly as follows: switching winding current maxima, closing coil current maxima, energy storage electricity
Machine current maxima, firm timesharing are carved and the firm conjunction；
Switching winding current maxima, specifically implements according to following algorithm:
I=I (t1) * K1*K2；
Wherein, I (t1) is the maximum of switching winding sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Closing coil current maxima, specifically implements according to following algorithm:
I=I (t2) * K1*K2；
Wherein, I (t2) is the maximum of closing coil sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Energy storage motor current maxima, specifically implements according to following algorithm:
I=I (t3) * K1*K2；
Wherein, I (t3) is the maximum of energy storage motor sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Just timesharing is carved, and specifically implements according to following algorithm:
V=s/t during separating brake；
Wherein, v is instantaneous velocity, and S is the difference of adjacent 2, i.e. displacement difference, and t is 0.0001
Second, the velocity amplitude v in the sampling time is compared, the moment of speed v maximum is just divides
Moment；
Just the conjunction, specifically implement according to following algorithm:
V=s/t in making process；
Wherein, v is instantaneous velocity, and S is the difference of adjacent 2, i.e. displacement difference, and t is 0.0001
Second, the velocity amplitude v in the sampling time is compared, the moment of speed v maximum is just conjunction
Moment；
Step 2.5, host computer 1 are communicated with test device 2 by communication interface, receive and touch
Head run-length data and current data, and carry out collection of illustrative plates drafting by CCStudio software, respectively
Obtain separating brake current waveform, switching current waveform, separating brake displacement, combined floodgate displacement and auxiliary contact
Change curve；
Step 2.6, will through step 2.5 obtain contact travel data, current data and separating brake electricity
Stream waveform, switching current waveform, separating brake displacement, combined floodgate displacement and auxiliary contact change curve lead to
Cross that host computer 1 is involutory, separating brake electric current, energy storage motor electric current, contact travel parameter exist
It is shown on CCStudio software interface.
The effect of each parts in breaker mechanic property test platform of the present invention:
Sensor 3 uses photoelectric encoder to carry out displacement measurement, uses precision current sensor to enter
Row divide-shut brake coil current and energy storage motor current measurement.
100V～240V AC conversion can be direct current by the power panel 9 in test device 2
24V, tri-kinds of voltages of ± 12V, 5V are for package unit.
Master control borad 8 uses DSP digital processing chip as main control chip, DSP digital processing
Chip supports that floating-point operation and peripheral hardware enrich；Single high-precision A/D is also used in master control borad 8
Conversion chip input to on/off switch electric current, energy storage motor electric current, moving contact stroke analogue signal
Carrying out digital quantity conversion, conversion accuracy high data are reliable.
Also be embedded with real time data processing algorithm in master control borad 8, for read chopper 4 deciliter
After lock state, chopper 4 is assigned the instruction contrary with original state (such as: read open circuit
Device 4 original place is in gate-dividing state, then real time data processing algorithm interface operation test device 2 is to disconnected
Reclosing command assigned by road device 4), after chopper 4 is received instruction and is performed instruction, the number of generation
The number of it is believed that is gathered and transmits a signal to test device 2 by sensor 3, and test device 2 processes
And call real time data processing algorithm and calculate switching winding current maxima, closing coil electric current
Maximum, energy storage motor current maxima, firm timesharing are carved, characterisitic parameter firm conjunction, and lead to
Crossing CCStudio software and carry out collection of illustrative plates drafting, each wavy curve can be shown by display interface
Show.
Real time data processing algorithm is specific as follows:
1. switching winding current maxima, specifically implements according to following algorithm:
I=I (t1) * K1*K2；
Wherein, I (t1) is the maximum of switching winding sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
2. closing coil current maxima:
I=I (t2) * K1*K2；
Wherein, I (t2) is the maximum of closing coil sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
3. energy storage motor current maxima:
I=I (t3) * K1*K2；
Wherein, I (t3) is the maximum of energy storage motor sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
4. just timesharing is carved:
V=s/t during separating brake；
Wherein, v is instantaneous velocity, and S is the difference of adjacent 2, i.e. displacement difference, and t is 0.0001
Second, the velocity amplitude v in the sampling time is compared, the moment of speed v maximum is just divides
Moment；
5. the firm conjunction:
V=s/t in making process；
Wherein, v is instantaneous velocity, and S is the difference of adjacent 2, i.e. displacement difference, and t is 0.0001
Second, the velocity amplitude v in the sampling time is compared, the moment of speed v maximum is just conjunction
Moment；
Communication board 7 uses CAN to interconnect with host computer 1, be used for carrying out data exchange,
Transmitted data amount is big and traffic rate is fast.
The each road of collection of simulant signal plate 6 uses single power supply to power, and uses linear optical coupling to enter
The isolation of row signal front and back stages, the signal that sensor 3 comes is through collection of simulant signal plate 6
The A/D conversion chip being transported to afterwards in master control borad 8.
Digital quantity input/output board 5 can obtain chopper 4 by connecting corresponding auxiliary contact
Deciliter state, separating brake, closing time.
The breaker mechanic property test platform of the present invention can be in breaker mechanic property parameter
Switching winding electric current, closing coil electric current, energy storage motor electric current, separating brake displacement, closing position
Move, auxiliary contact signal carries out waveform drawing, and indicates individual features parameter on waveform,
Characterisitic parameter has: switching winding current maxima, closing coil current maxima, energy storage motor
Current maxima, firm timesharing quarter, firm conjunction etc., thus breaker mechanic property is carried out point
Analysis and judgement.
The breaker mechanic property test platform of the present invention is mainly for high-volume breaker mechanical
The needs of characteristic test, and combine the advantage of prior art and develop, through experimental test, this
Product has bigger practical value.
The breaker mechanic property test platform of the present invention and conventional breaker mechanic property test instrunment
Compare, it is possible to be effectively improved breaker mechanic property measuring accuracy and testing efficiency, reduce test
Error, finds product defects, it is to avoid substandard product puts into operation in time.
Claims (2)
1. the method for testing of breaker mechanic property test platform, it is characterised in that the method base
In breaker mechanic property test platform, its structure is: include host computer (1), institute
Stating host computer (1) connection has interface panel, described host computer (1) to pass through wire respectively
Connecting and have multiple test device (2), described test device (2) is connected by p-wire biography
Sensor (3)；
Described test device (2), includes the digital quantity input being sequentially connected with by wire defeated
Ejecting plate (5), collection of simulant signal plate (6), communication board (7), master control borad (8) and electricity
Source plate (9)；
Described digital quantity input/output board (5) connects auxiliary contact；
Described communication board (7) uses CAN to be connected with described host computer (1)；
DSP digital processing chip and A/D conversion chip it is provided with in described master control borad (8)；
Described sensor (3) is controlled by photoelectric encoder, precision current sensor and divide-shut brake
Holding wire forms；
Described photoelectric encoder is adsorbed on the main shaft of chopper (4) by magnetic bases, institute
State the contact travel signal processing interface that the output lead of photoelectric encoder is connected on interface panel
On；
The splitting or integrating brake cable circle of the input of described precision current sensor and chopper (4) and
Energy storage motor current coil concatenates, and the outfan of described precision current sensor passes through divide-shut brake control
Holding wire processed is connected with the current signal Processing Interface on interface panel；
Be respectively equipped with contact travel signal processing interface on described interface panel, current signal processes
Interface, common interface；
Described contact travel signal processing interface, current signal Processing Interface, common interface are respectively
It is connected with described host computer (1) by CAN；
Described precision current sensor uses the precision current sensing that model is CHB-50P
Device；
Its method of testing is specifically implemented according to following steps:
Step 1, being connected with chopper (4) by sensor (3), concrete connected mode is as follows:
Photoelectric encoder in sensor (3) is adsorbed in chopper (4) by magnetic bases
Main shaft on, the contact travel signal that the output lead of photoelectric encoder is connected on interface panel
In Processing Interface；
By splitting or integrating brake cable circle and the storage of the input of precision current sensor and chopper (4)
Energy current of electric coil tandem, the outfan of precision current sensor passes through divide-shut brake control signal
Line is connected with the current signal Processing Interface on interface panel；
By the output interface of divide-shut brake control signal wire, on/off switch with chopper (4) returns respectively
Road is connected with energy storage motor loop；
Step 2, through step 1, chopper (4) is connected with the sensor (3) of test platform
After Hao, chopper (4) is carried out by the real time data processing algorithm utilizing master control borad (8) embedded
Test, finally shows test result, specifically implements according to following steps:
Step 2.1, by the embedded real time data processing algorithm of master control borad (8), read open circuit
The current opening and closing state of device (4):
If chopper (4) current state read is gate-dividing state, then enter step 2.2；
Step 2.2, judge that chopper (4) is in gate-dividing state, by real time through step 2.1
Data processing algorithm interface operation test device (2), is sent chopper by test device (2)
(4) reclosing command；
Step 2.3, by step 2.2, chopper (4) receives to produce after reclosing command and closes a floodgate,
By the photoelectric encoder collection combined floodgate stroke signal in sensor (3), and incited somebody to action by p-wire
Combined floodgate stroke signal transmits to testing device (2)；
Meanwhile, test device (2) collection sensor (3) interior precision current sensor is defeated
The current signal gone out；
Step 2.4, test device (2) combined floodgate stroke signal to collecting through step 2.3 and
Current signal processes, and calls real time data processing algorithm and calculates corresponding characterisitic parameter,
Characterisitic parameter is particularly as follows: switching winding current maxima, closing coil current maxima, energy storage
Current of electric maximum, firm timesharing are carved and the firm conjunction；
Step 2.5, host computer (1) are communicated with test device (2) by communication interface,
Receive contact travel data and current data, and carry out collection of illustrative plates drafting by CCStudio software,
Respectively obtain separating brake current waveform, switching current waveform, separating brake displacement, combined floodgate displacement and auxiliary
Contact change curve；
Step 2.6, will through step 2.5 obtain contact travel data, current data and separating brake electricity
Stream waveform, switching current waveform, separating brake displacement, combined floodgate displacement and auxiliary contact change curve lead to
Cross that host computer (1) is involutory, separating brake electric current, energy storage motor electric current, contact travel parameter exist
It is shown on CCStudio software interface.
The method of testing of breaker mechanic property test platform the most according to claim 1,
It is characterized in that, the characterisitic parameter in described step 2.4 is specifically implemented according to following algorithm:
Switching winding current maxima, specifically implements according to following algorithm:
I=I (t1) * K1*K2；
Wherein, I (t1) is the maximum of switching winding sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Closing coil current maxima, specifically implements according to following algorithm:
I=I (t2) * K1*K2；
Wherein, I (t2) is the maximum of closing coil sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Energy storage motor current maxima, specifically implements according to following algorithm:
I=I (t3) * K1*K2；
Wherein, I (t3) is the maximum of energy storage motor sampled value；K1 is precision current sensor
No-load voltage ratio, the present invention uses the precision current sensor that model is CHB-50P, its
No-load voltage ratio is set to 200；K2 is the coefficient of analog channel, and simulation coefficient is set to 100 in the present invention；
Just timesharing is carved, and specifically implements according to following algorithm:
V=s/t during separating brake；
Wherein, v is instantaneous velocity, and S is the difference of adjacent 2, i.e. displacement difference, and t is 0.0001
Second, the velocity amplitude v in the sampling time is compared, the moment of speed v maximum is just divides
Moment；
Just the conjunction, specifically implement according to following algorithm:
V=s/t in making process；
Wherein, v is instantaneous velocity, and S is the difference of adjacent 2, i.e. displacement difference, and t is 0.0001
Second, the velocity amplitude v in the sampling time is compared, the moment of speed v maximum is just conjunction
Moment.
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|---|---|---|---|---|
| CN104502837A (en) * | 2014-12-15 | 2015-04-08 | 清华大学 | Diagnostic method and device for mechanical fault of circuit breaker |
| CN105353303B (en) * | 2015-11-28 | 2018-07-06 | 国网河南省电力公司郑州供电公司 | Carbon-fibre wire circuit operating condition evaluating method |
| CN105486947B (en) * | 2015-11-28 | 2018-05-11 | 国网河南省电力公司郑州供电公司 | Circuitry fault detection method based on carbon-fibre wire |
| CN106291344B (en) * | 2016-07-25 | 2020-02-11 | 河南森源电气股份有限公司 | Breaker rigid breaking point detection method and system based on breaking pressure curve |
| CN106525396B (en) * | 2016-10-20 | 2018-12-25 | 国网上海市电力公司 | A kind of disconnecting switch mechanical load self-operated measuring unit and its detection method |
| CN107941169B (en) * | 2017-03-27 | 2021-01-12 | 沈阳隆迪电器设备有限公司 | FK auxiliary switch on-off angle detector |
| CN107024178B (en) * | 2017-03-27 | 2021-01-08 | 沈阳隆迪电器设备有限公司 | FC2 magnetic blow auxiliary switch detector |
| CN108646174B (en) * | 2018-03-30 | 2021-12-07 | 西安高压电器研究院有限责任公司 | Digital stroke characteristic curve measuring system under high-voltage and high-current environment |
| CN109166767B (en) * | 2018-08-10 | 2020-03-27 | 国网福建省电力有限公司检修分公司 | One-key type circuit breaker rigid joint accurate positioning debugging device and using method |
| CN109541453B (en) * | 2018-11-30 | 2021-11-12 | 南京谷贝电气科技有限公司 | Online monitoring and updating system for mechanical characteristics of high-voltage circuit breaker |
| CN111751090A (en) * | 2020-05-14 | 2020-10-09 | 广西电网有限责任公司电力科学研究院 | Device and method for measuring mechanical characteristics of circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4898893B2 (en) * | 2009-01-28 | 2012-03-21 | キヤノン株式会社 | Electronics |
| CN201681143U (en) * | 2010-03-23 | 2010-12-22 | 西安工程大学 | Online monitoring device for mechanical characteristic of high-voltage circuit breaker |
| CN202631704U (en) * | 2012-07-04 | 2012-12-26 | 广西电网公司电力科学研究院 | Online monitoring system for vibration and mechanical properties of high-voltage circuit breaker |
| CN203479988U (en) * | 2013-06-19 | 2014-03-12 | 云南电网公司楚雄供电局 | On-line monitoring system for breakers |
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