CN104777444B - Arrester discharge counter comprehensive calibrator and method of calibration - Google Patents
Arrester discharge counter comprehensive calibrator and method of calibration Download PDFInfo
- Publication number
- CN104777444B CN104777444B CN201510176426.7A CN201510176426A CN104777444B CN 104777444 B CN104777444 B CN 104777444B CN 201510176426 A CN201510176426 A CN 201510176426A CN 104777444 B CN104777444 B CN 104777444B
- Authority
- CN
- China
- Prior art keywords
- counter
- unit
- verification
- milliammeter
- arrester discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 7
- 238000012795 verification Methods 0.000 claims abstract description 50
- 230000009471 action Effects 0.000 claims abstract description 24
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000010349 pulsation Effects 0.000 claims description 3
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 229960001296 zinc oxide Drugs 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to a kind of arrester discharge counter comprehensive calibrator, its structure is, power supply unit, LCD liquid crystal displays and key operation unit are connected with single-chip microcomputer main control unit simultaneously, and single-chip microcomputer main control unit is connected with counter milliammeter verification unit, counter action number verification unit simultaneously.Whether the present invention can export lightening strike simulating waveform to counter automatically, be transported through single-chip microcomputer main control unit, consistent in the verification counting that display screen is shown and the verification of counter action number, so as to check whether counter action number is normal；On milliammeter verifying function interface, lightning arrester discharge counting milliammeter registration scale is contrasted with the output current that tester is shown, sees between the two whether there is obvious deviation, you can judge that arrester discharge counter milliammeter registration scale displays whether accurately.The labor intensity of field test personnel is reduced, improves reliability, the accuracy of arrester on-line computing model display data.
Description
Technical field
The present invention relates to a kind of power system counter of lightning arrester field adjustable equipment, more particularly to a kind of lightning arrester discharge
Synthesis of counter tester and method of calibration, it is mainly used in the field-checking of power system arrester discharge counter, belongs to electricity
Power application field.
Background technology
Gradually increase recently as power system device on-line monitoring, Hyper-Voltage of Power Systems patron saint-lightning-arrest
The discharge counter of device, via single record lightning arrestor movement number, possesses monitoring arrester while developing into counting
With the presence or absence of a kind of On-line Instrument of defect.At present, to arrester discharge counter we only with bar type counter
Tester carries out thunder and lightning movement counting verification, but DL/T393-2101《Power transmission and transformation equipment state overhauling testing regulations》It is required that to meter
Number device should verify milliammeter simultaneously equipped with milliammeter, now be verified without corresponding instrument.Kept away although we have carried out zinc oxide
Thunder device live testing but also can only under working voltage total current carry out single-point verification, ammeter can not be verified and integrally show essence
Degree, it is impossible to arrester defect is found by the change of Leakage Current in time.
The content of the invention
The present invention is directed to above-mentioned problems of the prior art, there is provided a kind of arrester discharge counter overall calibration
Instrument, test problem can not be checked to counter of lightning arrester internal leakage milliammeter by solving, and the instrument can timely monitor counter electricity
The number of accuracy and the counter of lightning arrester action of flow table, ensures power system security reliability service.
It is another object of the present invention to provide a kind of method of calibration of arrester discharge counter comprehensive calibrator.
Technical scheme is as follows：
Counter of lightning arrester comprehensive calibrator includes power supply unit, LCD liquid crystal displays, key operation unit, monolithic
Machine main control unit, counter milliammeter verification unit, counting machine action frequency verification unit, wherein power supply unit, LCD liquid crystals
Show unit and key operation unit while be connected with single-chip microcomputer main control unit, single-chip microcomputer main control unit and meanwhile with counter milliammeter
Verification unit, the connection of counter action number verification unit.
Described power supply unit is battery-powered using high-performance lithium.
Described LCD liquid crystal displays use resolution ratio 128*64 dot matrix single colour liquid crystal displays.
Described single-chip microcomputer main control unit uses single-chip microcomputer as main controller.
Described counter milliammeter verification unit includes battery pack, power frequency inversion unit, duplex frequency boostering transformer, electric current
Adjustment unit；Inversion main control unit inside power frequency inversion unit produces the square wave that dutycycle presses sinusoidal rule change, this square wave
Signal via H-bridge drive circuit carry out power amplification after, be filtered by the inductance capacitance in sine wave generation unit, become with
The smooth sine wave of civil power identical, boosted into duplex frequency boostering transformer.
Described counter milliammeter verification unit, using internal program control inverter control alternating current output, to letting out
Leakage milliammeter pointing accuracy verified, electric current output for 0.2mA -0.5mA-1.0mA-1.5mA-2.0mA-3.0mA -
The definite value output of 5.0mA -10.0mA -15.0mA 9 shelves.
Described counting machine action frequency verification unit includes battery pack, variable duty ratio generative circuit, high direct voltage hair
Raw unit, voltage levels GSS Gear Select Switch, high-voltage capacitance, counting output switch；Variable duty ratio generative circuit produces duty
Than variable pulse width modulated wave, pulse width modulated wave drives the power tube inside high direct voltage generating unit, high-tension transformer output
End produces the high direct voltage of pulsation, and high direct voltage is after high-speed rectifier diode and voltage levels GSS Gear Select Switch, into height
The high direct voltage that voltage capacitance is changed into smooth is stored.
The exportable lightening strike simulating waveform of described counting check functional unit, output waveform feature：Voltage peak is
800V and 1200V, waveform：8/20 us；Current amplitude：＞ 100A.
The method of testing of the present invention comprises the steps：
During inspection, after two p-wires of counter of lightning arrester comprehensive calibrator are connected on into arrester discharge counter both ends
Start, on counting check function interface, by " automatic Verification ", selection check number（3 times or 5 times）, instrument is automatically to counting
Device exports lightening strike simulating waveform, and whether the verification counting that instrument display screen is shown and the verification of counter action number are consistent,
So as to check whether counter action number is normal；On milliammeter verifying function interface, by " automatic Verification ", arrester is put
Electricity counts milliammeter registration scale and contrasted with the output current that tester is shown, whether between the two have obvious deviation, i.e., if seeing
It can determine whether that arrester discharge counter milliammeter registration scale displays whether accurately.
Advantages of the present invention effect is as follows：
1st, movement counting inspection and leakage current are verified two verification projects and one set of instrument and one are used only by the present invention
P-wire, several simple buttons need to be only operated on instrument can complete all inspection projects, substantially increase operating efficiency.
2nd, wiring is simple when the present invention uses, and equipment instrument is small, in light weight, easy to carry；Tester power supply uses internal
The high-performance lithium ion rechargeable battery carried, instrument Overall Power Consumption is low, and a charging complete can be used continuously more than 8 hours,
It is especially suitable for the use of substation field.
3rd, the present invention solves problem and shortage existing for existing product well, and the work for reducing field test personnel is strong
Degree, improve reliability, the accuracy of arrester on-line computing model display data.
4th, global design of the invention has taken into full account the technology and application characteristic of arrester discharge counter, by counter
Action frequency verifies and leakage current verifies two test functions and is combined into one, and combines the practical situations at scene, accomplishes
It is compact-sized, use the advantages that simple, easy to carry.Meet all Zinc-Oxide Arrester counter actions at present and leakage milliampere
The precision checking of table.Operate with simple, easy to learn, the training without progress operating personnel in advance.
Brief description of the drawings
Fig. 1 is the structural principle and measurement schematic block diagram of the present invention.
Fig. 2 is the circuit theory schematic diagram of counter milliammeter verification unit of the present invention.
Fig. 3 is the circuit theory schematic diagram of counting machine action frequency verification unit of the present invention.
Embodiment
Referring to the drawings, in conjunction with specific embodiments, the present invention is described in detail.
Embodiment
Global design such as Fig. 1 counter of lightning arrester comprehensive calibrators has taken into full account the technology of arrester discharge counter
And application characteristic, the verification of counter action number and leakage current are verified into two test functions and are combined into one, and combines scene
Practical situations, accomplish it is compact-sized, use the advantages that simple, easy to carry.Meet all Zinc-Oxide Arresters at present
The precision checking of counter action and leakage milliammeter.Counter of lightning arrester comprehensive calibrator is mainly by power supply unit, LCD liquid crystal
Display unit, key operation unit, single-chip microcomputer main control unit, counter milliammeter verification unit, counting machine action frequency are examined
Unit etc. is formed, and power supply unit, LCD liquid crystal displays and key operation unit are connected with single-chip microcomputer main control unit simultaneously, single
Piece machine main control unit is connected with counter milliammeter verification unit, counter action number verification unit simultaneously.Described power supply
Unit, battery-powered using high-performance lithium, various efficient voltage conversion circuits are passed through in inside, there is provided complete machine work must
The electric energy needed.Instrument Overall Power Consumption is low, and a charging complete can be used continuously more than 8 hours.Described LCD liquid crystal display lists
Member uses resolution ratio 128*64 dot matrix single colour liquid crystal displays, can clearly show Chinese and figure, and carries backlight, various
All can clear data such as display instrument current operating state, checking parameter and measurement result under light conditions.Environmental suitability
It is good, all can normal work in -5 DEG C ~ 45 DEG C temperature ranges.Described counter of lightning arrester comprehensive calibrator has " milliammeter school
Test " and " counting check " two kinds of functions, and relevant parameter adjustment function, these can all pass through the button operation on panel.Institute
The single-chip microcomputer main control unit stated uses single-chip microcomputer, and as main controller, it has integrated level high, compact-sized, low in energy consumption, anti-interference
The advantages such as ability is strong；With 32 powerful data-handling capacities, various data can be directed to and carried out in real time, at the computing of high speed
Reason；Described counter milliammeter verification unit, using internal program control inverter control alternating current output, to leaking milliampere
The pointing accuracy of table is verified, electric current output for 0.2mA -0.5mA-1.0mA-1.5mA-2.0mA-3.0mA -5.0mA -
The definite value output of 9 shelves such as 10.0mA -15.0mA, and selection can be customized according to being actually needed for oneself by user.It is described
The exportable lightening strike simulating waveform of counting check functional unit, output waveform feature：Voltage peak is " low to may be selected
（800V）" and it is " high（1200V）", waveform：8/20 us；Current amplitude：＞ 100A.
As shown in figure 1, the method for testing of the present invention comprises the steps：
During inspection, after two p-wires of counter of lightning arrester comprehensive calibrator are connected on into arrester discharge counter both ends
Start, on counting check function interface, by " automatic Verification ", selection check number（3 times or 5 times）, instrument is automatically to counting
Device exports lightening strike simulating waveform, and whether the verification counting that instrument display screen is shown and the verification of counter action number are consistent,
So as to check whether counter action number is normal；On milliammeter verifying function interface, by " automatic Verification ", arrester is put
Electricity counts milliammeter registration scale and contrasted with the output current that tester is shown, whether between the two have obvious deviation, i.e., if seeing
It can determine whether that arrester discharge counter milliammeter registration scale displays whether accurately.Operate with it is simple, easy to learn, without entering in advance
The training of row operating personnel.
Described counter of lightning arrester comprehensive calibrator has " milliammeter verification " and " counting check " two kinds of functions, and
Relevant parameter adjusts function, and these can all pass through the button operation on panel.
Wherein " verification type " button can switch between the two in " milliammeter verification " and " counting check ", then by " automatic
Verification " key starts to verify arrester discharge counter according to the internal flow set in advance.Can also by " upper/manual count " or
" under/manual electric current " carries out the verification of single step.
" it is determined that " and " cancellation " key is used for entering and the parameter adjustment menu that logs off, cooperation " upper/manual to count ", " under/
The related parameter of the key of manual electric current " two adjustment, such as counting check number, verification interval time parameter.
As shown in Fig. 2 described counter milliammeter verification unit includes battery pack, power frequency inversion unit, power frequency boosting
Transformer, current adjustment unit.
When system works, dutycycle is produced by sinusoidal rule change by the inversion main control unit inside power frequency inversion unit
Square wave, after this signal carries out power amplification via H-bridge drive circuit, filtered by the inductance capacitance in sine wave generation unit
Ripple, become the sine wave smooth with civil power identical, boosted into duplex frequency boostering transformer.
A series of alternating current of current values is exported by pre-set programs, observes the finger of milliammeter on arrester discharge counter
Pin indicator current value, it is whether corresponding with the output current value of tester, whether just to be worked as arrester discharge counter
Normal basis for estimation.
As shown in figure 3, described counting machine action frequency verification unit include battery pack, variable duty ratio generative circuit,
High direct voltage generating unit, voltage levels GSS Gear Select Switch, high-voltage capacitance, counting output switch.
When system works, the pulse width modulated wave of variable duty ratio is produced by variable duty ratio generative circuit, driving direct current is high
The power tube inside generating unit is pressed, boosts and exports through high-tension transformer, the high direct voltage of pulsation is produced in transformer output end,
After high-speed rectifier diode and GSS Gear Select Switch, it is changed into smooth high direct voltage into high-voltage capacitance and is stored,
When GSS Gear Select Switch is dialled in high-pressure side, the transient voltage value of High voltage output is 1200V, when GSS Gear Select Switch is dialled in low pressure
During end, the transient voltage value of High voltage output is 800V.When electric capacity is filled with high voltage electricity, high pressure count pulse output end connects lightning-arrest
Device discharge counter, internal processes control count output switch transient switching, put from high pressure count pulse output end to arrester
It is 8/20us that electric counter, which exports a time waveform, and amplitude is more than 100A simulation thunderbolt shock wave, and this shock wave makes to take shelter from the thunder
Device discharge counter produces a counting thunder.
Claims (7)
1. arrester discharge counter comprehensive calibrator, it is characterised in that including power supply unit, LCD liquid crystal displays, button
Operating unit, single-chip microcomputer main control unit, counter milliammeter verification unit, counting machine action frequency verification unit, wherein powering
Unit, LCD liquid crystal displays and key operation unit are connected with single-chip microcomputer main control unit simultaneously, and single-chip microcomputer main control unit is simultaneously
It is connected with counter milliammeter verification unit, counter action number verification unit；
Described counter milliammeter verification unit includes battery pack, power frequency inversion unit, duplex frequency boostering transformer, electric current adjustment
Unit；Battery pack, power frequency inversion unit, duplex frequency boostering transformer, current adjustment unit are sequentially connected, inside power frequency inversion unit
Inversion main control unit produce dutycycle press sinusoidal rule change square wave, this square-wave signal via H-bridge drive circuit carry out work(
After rate amplification, it is filtered by the inductance capacitance in sine wave generation unit, becomes the sine wave smooth with civil power identical, enter
Enter duplex frequency boostering transformer boosting.
2. arrester discharge counter comprehensive calibrator according to claim 1, it is characterised in that described power supply unit
It is battery-powered using high-performance lithium.
3. arrester discharge counter comprehensive calibrator according to claim 1, it is characterised in that described LCD liquid crystal
Display unit uses resolution ratio 128*64 dot matrix single colour liquid crystal displays.
4. arrester discharge counter comprehensive calibrator according to claim 1, it is characterised in that described counter milli
Pacify table verification unit, using internal program control inverter control alternating current output, the pointing accuracy for leaking milliammeter is carried out
Verification, electric current output are 9 of 0.2mA, 0.5mA, 1.0mA, 1.5mA, 2.0mA, 3.0mA, 5.0mA, 10.0mA and 15.0mA
The definite value output of shelves.
5. arrester discharge counter comprehensive calibrator according to claim 1, it is characterised in that described counting is motor-driven
Making number verification unit includes battery pack, variable duty ratio generative circuit, high direct voltage generating unit, the selection of voltage levels gear
Switch, high-voltage capacitance, count output switch；Battery pack, variable duty ratio generative circuit, high direct voltage generating unit, voltage are high
Low-grade location selecting switch, high-voltage capacitance, counting output switch are sequentially connected, and variable duty ratio generative circuit produces variable duty ratio
Pulse width modulated wave, pulse width modulated wave driving high direct voltage generating unit inside power tube, high-tension transformer output end produce
The high direct voltage of pulsation, high direct voltage is after high-speed rectifier diode and voltage levels GSS Gear Select Switch, into high-voltage capacitance
The high direct voltage for being changed into smooth is stored；Described power tube connection high-tension transformer input, high-tension transformer output end connect
Connect commutation diode input, commutation diode output end connection voltage levels GSS Gear Select Switch.
6. arrester discharge counter comprehensive calibrator according to claim 1 or 5, it is characterised in that described counting
Machine action frequency verification unit exports lightening strike simulating waveform, output waveform feature：Voltage peak is 800V and 1200V, ripple
Shape：8/20 us；Current amplitude：＞ 100A.
7. the method for calibration of arrester discharge counter comprehensive calibrator according to claim 1, it is characterised in that including
Following step：
During inspection, opened after two p-wires of counter of lightning arrester comprehensive calibrator are connected on into arrester discharge counter both ends
Machine, on counting check function interface, by " automatic Verification ", select to verify numbers 3 times or 5 times, instrument is automatically defeated to counter
Go out to simulate lightning surge shape, whether the verification counting that instrument display screen is shown and the verification of counter action number are consistent, so as to
Check whether counter action number is normal；On milliammeter verifying function interface, by " automatic Verification ", by lightning arrester discharge meter
Number milliammeter registration scale is contrasted with the output current that tester is shown, sees between the two whether there is obvious deviation, you can sentence
Disconnected arrester discharge counter milliammeter registration scale displays whether accurately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176426.7A CN104777444B (en) | 2015-04-14 | 2015-04-14 | Arrester discharge counter comprehensive calibrator and method of calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176426.7A CN104777444B (en) | 2015-04-14 | 2015-04-14 | Arrester discharge counter comprehensive calibrator and method of calibration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104777444A CN104777444A (en) | 2015-07-15 |
| CN104777444B true CN104777444B (en) | 2018-04-06 |
Family
ID=53619025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510176426.7A Active CN104777444B (en) | 2015-04-14 | 2015-04-14 | Arrester discharge counter comprehensive calibrator and method of calibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104777444B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125030A (en) * | 2016-06-27 | 2016-11-16 | 国网甘肃省电力公司白银供电公司 | The multifunctional check of Portable arrester on-Line Monitor Device |
| CN106707214A (en) * | 2016-12-30 | 2017-05-24 | 武汉市欧睿科技有限公司 | Lightning strike counter check meter |
| CN106771761B (en) * | 2016-12-30 | 2019-02-19 | 国家电网公司 | A kind of hand-held arrester counter auto testing instrument |
| CN107632186A (en) * | 2017-08-08 | 2018-01-26 | 芜湖市凯鑫避雷器有限责任公司 | A kind of discharge counter of easy disassembly |
| CN110646694B (en) * | 2019-09-29 | 2022-06-10 | 江苏方天电力技术有限公司 | High-voltage simulation checking device |
| CN113936515A (en) * | 2021-08-25 | 2022-01-14 | 国网浙江省电力有限公司培训中心 | Lightning arrester test training and examination system |
| CN114089248A (en) * | 2021-11-26 | 2022-02-25 | 广东电网有限责任公司 | Lightning stroke counter testing device and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2482097Y (en) * | 2001-06-01 | 2002-03-13 | 盐城供电局 | Checking apparatus for zinc oxide lightning arrester in-line monitoring device |
| CN201156065Y (en) * | 2007-12-04 | 2008-11-26 | 浙江省送变电工程公司 | Comprehensive test instrument of on-line monitoring instrument for lightning arrester |
| CN202033432U (en) * | 2011-02-22 | 2011-11-09 | 中国西电电气股份有限公司 | Monitoring device used for lightning arrester |
| CN102636768A (en) * | 2012-05-07 | 2012-08-15 | 宁波电业局 | Online check method for online monitor of lightning arrester |
| CN202502236U (en) * | 2012-02-08 | 2012-10-24 | 山东电力集团公司泰安供电公司 | Lightning arrester on-line monitor calibration apparatus |
| CN202929189U (en) * | 2012-12-11 | 2013-05-08 | 衡水供电公司 | Zinc oxide arrester detector checking apparatus |
| CN203191443U (en) * | 2013-03-14 | 2013-09-11 | 上海市电力公司 | Lightning arrester leakage current on-line monitoring device |
| CN204166118U (en) * | 2014-10-11 | 2015-02-18 | 广东电网公司江门供电局 | A kind of lightning arrester on-line computing model performance calibration equipment on the spot |
| CN204515116U (en) * | 2015-04-14 | 2015-07-29 | 国网辽宁省电力有限公司抚顺供电公司 | Arrester discharge counter comprehensive calibrator |
-
2015
- 2015-04-14 CN CN201510176426.7A patent/CN104777444B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2482097Y (en) * | 2001-06-01 | 2002-03-13 | 盐城供电局 | Checking apparatus for zinc oxide lightning arrester in-line monitoring device |
| CN201156065Y (en) * | 2007-12-04 | 2008-11-26 | 浙江省送变电工程公司 | Comprehensive test instrument of on-line monitoring instrument for lightning arrester |
| CN202033432U (en) * | 2011-02-22 | 2011-11-09 | 中国西电电气股份有限公司 | Monitoring device used for lightning arrester |
| CN202502236U (en) * | 2012-02-08 | 2012-10-24 | 山东电力集团公司泰安供电公司 | Lightning arrester on-line monitor calibration apparatus |
| CN102636768A (en) * | 2012-05-07 | 2012-08-15 | 宁波电业局 | Online check method for online monitor of lightning arrester |
| CN202929189U (en) * | 2012-12-11 | 2013-05-08 | 衡水供电公司 | Zinc oxide arrester detector checking apparatus |
| CN203191443U (en) * | 2013-03-14 | 2013-09-11 | 上海市电力公司 | Lightning arrester leakage current on-line monitoring device |
| CN204166118U (en) * | 2014-10-11 | 2015-02-18 | 广东电网公司江门供电局 | A kind of lightning arrester on-line computing model performance calibration equipment on the spot |
| CN204515116U (en) * | 2015-04-14 | 2015-07-29 | 国网辽宁省电力有限公司抚顺供电公司 | Arrester discharge counter comprehensive calibrator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104777444A (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104777444B (en) | Arrester discharge counter comprehensive calibrator and method of calibration | |
| CN201707405U (en) | Comprehensive tester for safety performance of electric tool | |
| CN201926748U (en) | Full-automatic test device of aviation power supply | |
| CN206505157U (en) | A kind of IGBT module test device | |
| CN109212357A (en) | A kind of portable SVG power module test tooling | |
| CN206235720U (en) | A kind of LED drives test system | |
| CN106771632A (en) | Multi-channel DC resistance meter | |
| CN105890474A (en) | Intelligent fuse safety testing device | |
| CN203011948U (en) | Current transformer characteristic test secondary connection device | |
| CN106125030A (en) | The multifunctional check of Portable arrester on-Line Monitor Device | |
| CN205787079U (en) | The multifunctional check of Portable arrester on-Line Monitor Device | |
| CN206710585U (en) | The control system of great current mutual inductor site error verification | |
| CN208384025U (en) | A kind of test macro of direct-current charging post | |
| CN202975222U (en) | Integrated tester for secondary circuit of current transformer | |
| CN204515116U (en) | Arrester discharge counter comprehensive calibrator | |
| CN113253079A (en) | Microcomputer type direct current system insulation monitoring test device and method | |
| CN205860889U (en) | A kind of portable fuse photoelectric properties tester | |
| CN101943733A (en) | Primary power supply scrambler | |
| CN205067670U (en) | A anti -interference medium simulator for high -voltage electrical is experimental | |
| CN107632259A (en) | A kind of testing station for realizing multimode multi-parameters test generating set | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN202502236U (en) | Lightning arrester on-line monitor calibration apparatus | |
| CN204101720U (en) | Ammeter detection device | |
| CN205786930U (en) | A kind of electronic power transformer electric energy quality detection device | |
| CN104808067A (en) | Multifunctional digital CT (Computed Tomography) secondary detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Keyi Inventor after: Pei Yujie Inventor after: Gao Wai Inventor after: Chen Jingyang Inventor after: Xu Jianguo Inventor after: Nan Yang Inventor after: Zhang Ming Inventor after: Yue Ziyao Inventor after: Qiao Boyu Inventor after: Ma Xin Inventor after: Shi Yan Inventor after: Dong Ziyu Inventor after: Zhang Li Inventor after: Xin Siqi Inventor after: Ji Peng Inventor after: Gong Chenbin Inventor after: Dong Jun Inventor after: Yue Chengcheng Inventor after: Huang Dongwei Inventor after: Shi Feng Inventor after: Guo Lan Inventor before: Gong Chenbin Inventor before: Xu Jianguo Inventor before: Nan Yang Inventor before: Zhang Ming Inventor before: Yue Ziyao Inventor before: Qiao Boyu Inventor before: Lao Yonggang Inventor before: Ren Dongxia Inventor before: Zhang Li Inventor before: He Jiang Inventor before: Dong Jun Inventor before: Yue Chengcheng Inventor before: Huang Dongwei Inventor before: Shi Feng Inventor before: Guo Lan Inventor before: Pei Yujie Inventor before: Gao Wai Inventor before: Chen Jingyang |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |