CN106405409A - High-voltage circuit breaker insulation resistance and leakage current intelligent test system and method - Google Patents
High-voltage circuit breaker insulation resistance and leakage current intelligent test system and method Download PDFInfo
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- CN106405409A CN106405409A CN201611038736.3A CN201611038736A CN106405409A CN 106405409 A CN106405409 A CN 106405409A CN 201611038736 A CN201611038736 A CN 201611038736A CN 106405409 A CN106405409 A CN 106405409A
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 238000009413 insulation Methods 0.000 title claims abstract description 40
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- 239000003990 capacitor Substances 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
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- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 16
- 238000009530 blood pressure measurement Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 6
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- 238000005096 rolling process Methods 0.000 claims description 6
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- 238000001914 filtration Methods 0.000 claims description 3
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- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000003745 diagnosis Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 230000011664 signaling Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 125000000266 alpha-aminoacyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
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Abstract
The invention provides a high-voltage circuit breaker insulation resistance and leakage current intelligent test system and method. The system is characterized in that the system comprises a power supply (1), a low-voltage contactor (2), a self-coupling voltage regulator (3), a test transformer (4), a first protection resistor (5), a high-voltage rectification silicon stack (6), a first filter capacitor (7), a divider resistor (8), a voltage measurement resistor (9), a voltage transformer (10), a high-voltage circuit breaker (11), a battery (12), a second filter capacitor (13), a second protection resistor (14), a current transformer (15), a signal processing circuit (16), a DSP (17), a signal amplification circuit (18), a display screen (19), an indicating lamp (20), a buzzer (21), an operation panel (22), a printer module (23), a grounding terminal (24), a boosting transformer (25), a control switch (26), a switch driver (27), a signal processing circuit (28) and a signal conversion circuit (29). The system has the advantages of simple structure, convenient operation, short response time and high test precision and the like, and provides data basis for evaluating insulation state of the high-voltage circuit breaker and fault diagnosis.
Description
Technical field
The invention belongs to insulation characterisitic technical field of measurement and test, particularly to a kind of primary cut-out insulation resistance and leakage electricity
Stream Intelligentized test system.
Background technology
Insulation test refers to using special instrument and method, the insulation characterisitic of primary cut-out be tested, wherein absolutely
Edge resistance and leakage current testing are the big events that primary cut-out insulation characterisitic is tested.By testing insulation resistance and leakage
Electric current can reflect the state of insulation of primary cut-out, effectively finds that insulation is overall and inertia makes moist, insulation breakdown and overheated old
Change, insulated tension pole and the fault such as insulating oil makes moist, arc-chutes make moist and deteriorate, insulator crackle and appearance filth, by all previous examination
Test the data of accumulation, comprehensive analysis insulation characterisitic trend over time, and then improve to primary cut-out state of insulation
Determined level.At present, primary cut-out insulation resistance and leakage electrical testing adopt the equipment such as megameter, ammeter, rely on artificial
Reading, record data, test process is complicated, and poor reliability, intelligent level are low.
Content of the invention
Goal of the invention：Invention provides a kind of primary cut-out insulation resistance and leakage current Intelligentized test system and test
Method, its objective is to solve the problems of in the past.
Technical scheme：Invention is achieved through the following technical solutions：
Primary cut-out insulation resistance and leakage current Intelligentized test system, system includes power supply, lv contactor, adjusts from Rhizoma Nelumbinis
Depressor, testing transformer, the first protective resistance, high-voltage rectification silicon stack, the first filter capacitor, divider resistance, pressure measurement resistance, voltage
Transformer, primary cut-out, battery, the second filter capacitor, the second protective resistance, current transformer, signal processing circuit, DSP,
Signal amplification circuit, display screen, display lamp, buzzer, guidance panel, printer module, ground terminal, booster transformer, control
System switch, switch driver, signal processing circuit and signaling conversion circuit, the wherein positive and negative terminal of power supply through lv contactor and
The mains input side of automatic coupling voltage regulator is connected, and the outfan of automatic coupling voltage regulator is connected with the primary side of testing transformer, examination
The one end of secondary side testing transformator is connected with the primary side of the first protective resistance, the other end of the secondary side of testing transformer
It is connected with ground terminal, the another primary side of the first protective resistance is connected with one end of high-voltage rectification silicon stack, high-voltage rectifying silicon
The other end of the heap test port side phase with one end, one end of the first filter capacitor and primary cut-out of divider resistance respectively
Connect, the opposite side of primary cut-out test port is connected with ground terminal after current transformer, the first filter capacitor
The other end be connected with ground terminal, the other end of divider resistance is connected with one end of pressure measurement resistance, pressure measurement resistance another
One end is connected with ground terminal, and the two ends of voltage transformer are connected with the two ends of pressure measurement resistance, the signal of voltage transformer
Outfan is connected with the signal input part of DSP through signal processing circuit, the outfan of battery and the input of booster transformer
End is connected, and booster transformer outfan is connected with one end of the second filter capacitor and one end of controlling switch respectively, controls
Switch the other end be connected with the test port side of primary cut-out through the second protective resistance, the second filter capacitor another
One end is connected with ground terminal, and the signal output part of current transformer is defeated with the analogue signal of DSP through signal processing circuit
Enter end to be connected, DSP digital signal output end mouth is connected with the control port of lv contactor after signal amplification circuit,
Display screen, the signal input unit of display lamp are connected with the signal output unit of DSP, and DSP digital signal output end mouth passes through
It is connected with the signal input port of buzzer after signaling conversion circuit, the outfan of guidance panel is exported with DSP digital signal
Port is connected, and the signal input part of printer module is connected with the data communication end of DSP, DSP digital signal output end mouth
It is connected with the control end of controlling switch after switch driver.
Display screen is fixed by horizontal temporary fixing rack temporarily, and fixed mount includes supporting case, upper V-arrangement support card, lower V-arrangement prop up
Support card and adjustment screw rod；Limited location slideway is set at the two ends of supporting case, spacing slideway is along the setting of supporting case length direction
Bar shaped slideway；
Upper V-arrangement support card includes snap arm and upper idle rod, and upper snap arm and upper idle rod connect formation v-shaped structure by torsion spring；
Lower V-arrangement support card includes lower snap arm and lower idle rod, and lower snap arm and lower idle rod pass through another torsion spring and connect formation V-arrangement knot
Structure；Two torsion springs are all enclosed within traveling roller, traveling roller be provided centrally with the axis of rolling, the two ends of the axis of rolling put in spacing
Slideway is interior and moves along spacing slideway when using；
Upper idle rod is flexibly connected by movable axis with lower idle rod, and movable axis connects screwed pull lever, pull lever edge
The direction vertical with spacing slideway is passed through supporting case and is coordinated with supporting case screw thread by screw thread；
It is provided with the laterally fixing tabletting for pushing down display screen lower edge in the horizontal direction in the front portion of upper snap arm；
The spacing of multiple cross bars insertions for laterally fixing tabletting is disposed with snap arm length direction on edge in upper snap arm
Groove.
The height that the above-mentioned primary cut-out insulation resistance of exploitation right and leakage current Intelligentized test system are implemented breaks
Road device insulation resistance and leakage current intelligent testing method it is characterised in that：The method system utilizes at the data of DSP high speed
Reason and operational capability, realize the accurate test to primary cut-out insulation resistance and leakage current, DSP is by calling inside simultaneously
Data may determine that the state of insulation of equipment, carries out grading forewarning system in equipment fault, during primary cut-out normal operation, instruction
Lamp is normal bright green, and buzzer is not reported to the police；During primary cut-out sub-health state, display lamp reddens flicker, and buzzer is not reported to the police；
During primary cut-out fault, display lamp reddens flicker, buzzer warning, and display screen and printer module realize test result respectively
Display and printing function, detailed process is as follows：
(1) system electrification, DSP carries out self-inspection, and waits the control instruction of guidance panel；
(2) setting test parameter and test-types, send control instruction, and DSP sends driving instruction and to signal amplification circuit or opens
Close driver；
(3) lv contactor or controlling switch closure, voltage is added on primary cut-out after pressure regulation, current limliting and filtering；
(4) DSP acquisition system voltage and current information, and when carrying out tester, enter row operation using in house software program and obtain
Insulation resistance or leakage current values；
(5) whether rationally the test position according to primary cut-out and electric pressure, judge test result, in primary cut-out
Carry out grading forewarning system during fault；
(6) DSP, to display screen and printer module sending signal, realizes display and the printing of test result；
(7) test terminates, and primary cut-out reduces, and arranges test instrunment equipment.
Advantageous effect：The present invention provides a kind of primary cut-out insulation resistance and leakage current Intelligentized test system and survey
Examination method, its objective is to solve the problems of in the past, and this system being capable of the accurate insulation resistance of testing high voltage chopper and letting out
Leakage current value is simultaneously capable of data display storage and prints, and can carry out different types of acousto-optic report according to the classification of fault
Alert, have the advantages that structure is simple and convenient to operate, response time is short, measuring accuracy is high, for assessing primary cut-out state of insulation
And fault diagnosis provides data basis.
Brief description
Fig. 1 primary cut-out insulation resistance and leakage current Intelligentized test system structure chart；
Fig. 2 is the structural scheme of mechanism of fixed mount；
Fig. 3 is the enlarged drawing of aminoacyl site in Fig. 2.
1st, power supply；2nd, lv contactor；3rd, from Rhizoma Nelumbinis pressure regulator；4th, testing transformer；5th, the first protective resistance；6th, high repoussage
Stream silicon stack；7th, the first filter capacitor；8th, divider resistance；9th, pressure measurement resistance；10th, voltage transformer；11st, primary cut-out；12nd, electricity
Pond；13rd, the second filter capacitor；14th, the second protective resistance；15th, current transformer；16th, signal processing circuit；17、DSP；18th, believe
Number amplifying circuit；19th, display screen；20th, display lamp；21st, buzzer；22nd, guidance panel；23rd, printer module；24th, earth terminal
Son；25th, booster transformer；26th, controlling switch；26th, switch driver；27th, signaling conversion circuit；28th, signal processing circuit.
Specific embodiment
As shown in figure 1, the present invention provides a kind of primary cut-out insulation resistance and leakage current Intelligentized test system, it is
System include power supply 1, lv contactor 2, from Rhizoma Nelumbinis pressure regulator 3, testing transformer 4, the first protective resistance 5, high-voltage rectification silicon stack 6,
First filter capacitor 7, divider resistance 8, pressure measurement resistance 9, voltage transformer 10, primary cut-out 11, battery 12, the second filtered electrical
Hold the 13, second protective resistance 14, current transformer 15, signal processing circuit 16, DSP17, signal amplification circuit 18, display screen
19th, display lamp 20, buzzer 21, guidance panel 22, printer module 23, ground terminal 24, booster transformer 25, controlling switch
26th, switch driver 27, signal processing circuit 28 and signaling conversion circuit 29, wherein the positive and negative terminal of power supply 1 is through low pressure contact
Device 2 is connected with the mains input side of automatic coupling voltage regulator 3, the primary side phase of the outfan of automatic coupling voltage regulator 3 and testing transformer 4
Connect, one end of the secondary side of testing transformer 4 is connected with the primary side of the first protective resistance 5, testing transformer 4 secondary
The other end of side is connected with ground terminal 24, and the another primary side of the first protective resistance 5 is connected with one end of high-voltage rectification silicon stack 6
Connect, the other end of high-voltage rectification silicon stack 6 respectively with one end of divider resistance 8, one end of the first filter capacitor 7 and primary cut-out
11 test port side is connected, the opposite side of primary cut-out 11 test port after current transformer 15 with earth terminal
Son 24 is connected, and the other end of the first filter capacitor 7 is connected with ground terminal 24, and the other end of divider resistance 8 is electric with pressure measurement
One end of resistance 9 is connected, and the other end of pressure measurement resistance 9 is connected with ground terminal 24, the two ends of voltage transformer 10 and pressure measurement
The two ends of resistance 9 are connected, and the signal output part of voltage transformer 10 is through the signal input of signal processing circuit 28 and DSP17
End is connected, and the outfan of battery 12 is connected with the input of booster transformer 25, booster transformer 25 outfan respectively with
One end of one end of second filter capacitor 13 and controlling switch 26 is connected, and the other end of controlling switch 25 is through the second protection electricity
Resistance 14 is connected with the test port side of primary cut-out 11, and the other end of the second filter capacitor 13 is connected with ground terminal 24
Connect, the signal output part of current transformer 15 is connected with the input end of analog signal of DSP17 through signal processing circuit 16,
DSP17 digital signal output end mouth is connected with the control port of lv contactor 2 after signal amplification circuit 18, display screen
19th, the signal input unit of display lamp 20 is connected with the signal output unit of DSP17, DSP17 digital signal output end mouth warp
It is connected with the signal input port of buzzer 21 after crossing signaling conversion circuit 29, the outfan of guidance panel 22 and DSP17 number
Word signal output port is connected, and the signal input part of printer module 23 is connected with the data communication end of DSP17, DSP17
Digital signal output end mouth is connected with the control end of controlling switch 26 after switch driver 27.
Display screen 19 is fixed by horizontal temporary fixing rack temporarily, fixed mount include supporting case 111, upper V-arrangement support card, under
V-arrangement support card and adjustment screw rod 888；Limited location slideway 666 is set at the two ends of supporting case 111, spacing slideway 666 is along support
The bar shaped slideway of box 111 length direction setting；
Upper V-arrangement support card includes snap arm 333 and upper idle rod 333-1, and upper snap arm 333 and upper idle rod 333-1 pass through torsion spring
Connect and form v-shaped structure；Lower V-arrangement support card includes lower snap arm 222 and lower idle rod 222-1, lower snap arm 222 and lower idle rod
222-1 passes through another torsion spring 444 and connects formation v-shaped structure；Two torsion springs are all enclosed within traveling roller, in traveling roller
The heart is provided with the axis of rolling 555, and the two ends of the axis of rolling 555 put in spacing slideway 666 and move along spacing slideway 666 when using
Dynamic；
Upper idle rod 333-1 is flexibly connected by movable axis 777 with lower idle rod 222-1, and movable axis 777 connection is threaded
999 pull lever 888, pull lever 888 along the direction vertical with spacing slideway 666 pass through supporting case 111 and pass through screw thread 999 and
Supporting case 111 screw thread coordinates；
It is provided with the laterally fixing tabletting 000 for pushing down display screen lower edge in the horizontal direction in the front portion of upper snap arm 333.
Multiple cross bars for laterally fixing tabletting 000 are disposed with snap arm length direction on edge in upper snap arm 333
The stopper slot 001 of insertion.
When this fixed mount uses, pull on bar 888 and inwardly screw（The namely upper right of in figure）So that upper snap arm
It is flared out between 333 and lower snap arm 222, then upper snap arm 333 and lower snap arm 222 are respectively placed in by the side surface of folder position
And lower surface, display is placed in and vertically fixes inside tabletting 000, then reversely screw lever 888 so that upper snap arm 333 with
Inwardly draw between lower snap arm 222 and gradually clamp display screen so that display screen completes to operate with the close contact of clamped position,
Unload or change and repeat during display screen to screw the action of pull lever 888.Using this fixed mount so that display screen can
To be fixed on a variety of positions, adapt to different use environments one time.
And multiple stopper slot 001 arranges, the position laterally fixing tabletting 000 can be adjusted so as to have more preferable adaptation
Property, position adjustment can be carried out according to different situations.
This system utilizes data processing and the operational capability of DSP high speed, realizes to primary cut-out insulation resistance and leakage
The accurate test of electric current, simultaneously DSP may determine that the state of insulation of equipment by calling internal data, carry out in equipment fault
Grading forewarning system（During primary cut-out normal operation, display lamp is normal bright green, and buzzer is not reported to the police；Primary cut-out subhealth state
During state, display lamp reddens flicker, and buzzer is not reported to the police；During primary cut-out fault, display lamp reddens flicker, buzzer report
Alert）, display screen and printer module realize display and the printing function of test result respectively.Primary cut-out insulation resistance and letting out
Leakage current intelligent test process description：
(1) system electrification, DSP carries out self-inspection, and waits the control instruction of guidance panel；
(2) setting test parameter and test-types, send control instruction, and DSP sends driving instruction and to signal amplification circuit or opens
Close driver；
(3) lv contactor or controlling switch closure, voltage is added on primary cut-out after pressure regulation, current limliting and filtering；
(4) DSP acquisition system voltage and current information, and when carrying out tester, enter row operation using in house software program and obtain
Insulation resistance or leakage current values；
(5) whether rationally the test position according to primary cut-out and electric pressure, judge test result, in primary cut-out
Carry out grading forewarning system during fault；
(6) DSP, to display screen and printer module sending signal, realizes display and the printing of test result；
(7) test terminates, and primary cut-out reduces, and arranges test instrunment equipment.
Claims (4)
1. primary cut-out insulation resistance and leakage current Intelligentized test system it is characterised in that：System includes power supply（1）、
Lv contactor（2）, from Rhizoma Nelumbinis pressure regulator（3）, testing transformer (4), the first protective resistance (5), high-voltage rectification silicon stack (6),
One filter capacitor（7）, divider resistance（8）, pressure measurement resistance (9), voltage transformer (10), primary cut-out (11), battery (12),
Second filter capacitor (13), the second protective resistance（14）, current transformer（15）, signal processing circuit (16), DSP (17), letter
Number amplifying circuit (18), display screen (19), display lamp (20), buzzer (21), guidance panel (22), printer module (23),
Ground terminal (24), booster transformer (25), controlling switch (26), switch driver（27）, signal processing circuit（28）And letter
Number change-over circuit（29）, wherein power supply（1）Positive and negative terminal through lv contactor（2）With automatic coupling voltage regulator（3）Power input
Side is connected, automatic coupling voltage regulator（3）Outfan and testing transformer（4）Primary side be connected, testing transformer（4）Two
One end of secondary side and the first protective resistance（5）Primary side be connected, testing transformer（4）The other end of secondary side and ground connection
Terminal（24）It is connected, the first protective resistance（5）Another primary side and high-voltage rectification silicon stack（6）One end be connected, high repoussage
Stream silicon stack（6）The other end respectively with divider resistance（8）One end, the first filter capacitor（7）One end and primary cut-out
（11）Test port side be connected, primary cut-out（11）The opposite side of test port is through current transformer（15）Afterwards with
Ground terminal（24）It is connected, the first filter capacitor（7）The other end and ground terminal（24）It is connected, divider resistance（8）'s
The other end and pressure measurement resistance（9）One end be connected, pressure measurement resistance（9）The other end and ground terminal（24）It is connected, voltage
Transformer（10）Two ends and pressure measurement resistance（9）Two ends be connected, voltage transformer（10）Signal output part through signal
Process circuit（28）With DSP（17）Signal input part be connected, battery（12）Outfan and booster transformer（25）Defeated
Enter end to be connected, booster transformer（25）Outfan respectively with the second filter capacitor（13）One end and controlling switch（26）One
End is connected, controlling switch（25）The other end through the second protective resistance（14）With primary cut-out（11）Test port one
Side is connected, the second filter capacitor（13）The other end and ground terminal（24）It is connected, current transformer（15）Signal defeated
Go out end through signal processing circuit（16）With DSP（17）Input end of analog signal be connected, DSP（17）Digital signal output end
Mouth is through signal amplification circuit（18）Afterwards with lv contactor（2）Control port be connected, display screen（19）, display lamp（20）
Signal input unit and DSP（17）Signal output unit be connected, DSP（17）Digital signal output end mouth turns through signal
Change circuit（29）Afterwards with buzzer（21）Signal input port be connected, guidance panel（22）Outfan and DSP（17）Number
Word signal output port is connected, and the signal input part of printer module (23) is connected with the data communication end of DSP (17),
DSP (17) digital signal output end mouth is connected with the control end of controlling switch (26) after switch driver (27).
2. primary cut-out insulation resistance according to claim 1 and leakage current Intelligentized test system, its feature exists
In：Display screen（19）Fixed by horizontal temporary fixing rack, fixed mount includes supporting case temporarily（111）, upper V-arrangement support card, lower V
Shape support card and adjustment screw rod（888）；In supporting case（111）Two ends setting limited location slideway（666）, spacing slideway（666）
It is along supporting case（111）The bar shaped slideway of length direction setting；
Upper V-arrangement support card includes snap arm（333）With upper idle rod（333-1）, upper snap arm（333）With upper idle rod（333-1）
Connected by torsion spring and form v-shaped structure；Lower V-arrangement support card includes lower snap arm（222）With lower idle rod（222-1）, lower snap arm
（222）With lower idle rod（222-1）By another torsion spring（444）Connect and form v-shaped structure；Two torsion springs are all enclosed within movement
On cylinder, traveling roller be provided centrally with the axis of rolling（555）, the axis of rolling（555）Two ends put in spacing slideway（666）Inside simultaneously
When using along spacing slideway（666）Mobile；
Upper idle rod（333-1）With lower idle rod（222-1）By movable axis（777）It is flexibly connected, movable axis（777）Connect band
There is screw thread（999）Pull lever（888）, pull lever（888）Edge and spacing slideway（666）Vertical direction passes through supporting case
（111）And pass through screw thread（999）With supporting case（111）Screw thread coordinates；
In upper snap arm（333）Front portion be provided with for push down in the horizontal direction display screen lower edge laterally fix tabletting（000）.
3. primary cut-out insulation resistance according to claim 2 and leakage current Intelligentized test system, its feature exists
In：In upper snap arm（333）On be disposed with along along upper snap arm length direction multiple for laterally fix tabletting（000）Cross bar insert
The stopper slot entering（001）.
4. the height implemented using the primary cut-out insulation resistance described in claim 1 and leakage current Intelligentized test system
Voltage breaker insulation resistance and leakage current intelligent testing method it is characterised in that：The method system utilizes the number of DSP high speed
According to process and operational capability, realize the accurate test to primary cut-out insulation resistance and leakage current, DSP passes through to call simultaneously
Internal data may determine that the state of insulation of equipment, carries out grading forewarning system in equipment fault, during primary cut-out normal operation,
Display lamp is normal bright green, and buzzer is not reported to the police；During primary cut-out sub-health state, display lamp reddens flicker, and buzzer is not
Report to the police；During primary cut-out fault, display lamp reddens flicker, buzzer warning, and display screen and printer module are realized surveying respectively
The display of test result and printing function, detailed process is as follows：
(1) system electrification, DSP carries out self-inspection, and waits the control instruction of guidance panel；
(2) setting test parameter and test-types, send control instruction, and DSP sends driving instruction and to signal amplification circuit or opens
Close driver；
(3) lv contactor or controlling switch closure, voltage is added on primary cut-out after pressure regulation, current limliting and filtering；
(4) DSP acquisition system voltage and current information, and when carrying out tester, enter row operation using in house software program and obtain
Insulation resistance or leakage current values；
(5) whether rationally the test position according to primary cut-out and electric pressure, judge test result, in primary cut-out
Carry out grading forewarning system during fault；
(6) DSP, to display screen and printer module sending signal, realizes display and the printing of test result；
(7) test terminates, and primary cut-out reduces, and arranges test instrunment equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611038736.3A CN106405409B (en) | 2016-11-23 | 2016-11-23 | Intelligent test system and test method for insulation resistance and leakage current of high-voltage circuit breaker |
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| CN201611038736.3A CN106405409B (en) | 2016-11-23 | 2016-11-23 | Intelligent test system and test method for insulation resistance and leakage current of high-voltage circuit breaker |
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| CN106405409B CN106405409B (en) | 2023-11-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462833A (en) * | 2017-08-22 | 2017-12-12 | 姚静洁 | A kind of breaker automatic testing equipment |
| CN107561402A (en) * | 2017-10-13 | 2018-01-09 | 国网新疆电力公司阿勒泰供电公司 | Power failure detection means |
| CN109471056A (en) * | 2018-12-29 | 2019-03-15 | 国网辽宁省电力有限公司电力科学研究院 | A kind of pressure resistance of GIS lightning impulse and partial discharge test checking system and the method for inspection |
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| CN107561402A (en) * | 2017-10-13 | 2018-01-09 | 国网新疆电力公司阿勒泰供电公司 | Power failure detection means |
| CN109471056A (en) * | 2018-12-29 | 2019-03-15 | 国网辽宁省电力有限公司电力科学研究院 | A kind of pressure resistance of GIS lightning impulse and partial discharge test checking system and the method for inspection |
| CN109471056B (en) * | 2018-12-29 | 2023-09-22 | 国网辽宁省电力有限公司电力科学研究院 | GIS lightning impulse withstand voltage and partial discharge test inspection system and inspection method |
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