CN109061348A - Extra-high voltage project no residual voltage lightning arrester monitor detection device through-flow greatly - Google Patents
Extra-high voltage project no residual voltage lightning arrester monitor detection device through-flow greatly Download PDFInfo
- Publication number
- CN109061348A CN109061348A CN201810894905.6A CN201810894905A CN109061348A CN 109061348 A CN109061348 A CN 109061348A CN 201810894905 A CN201810894905 A CN 201810894905A CN 109061348 A CN109061348 A CN 109061348A
- Authority
- CN
- China
- Prior art keywords
- capacitor
- lightning
- lightning arrester
- extra
- arrester
- 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.)
- Pending
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
本发明公开了特高压工程用无残压大通流避雷器监测器检测装置，包括避雷器，避雷器通过导电线接地，导电线中部断开，当雷电击中避雷器时，电压能击穿导电线中部的断路，使导电线连通，其特征是：监测器装置还包括一避雷器监测器，避雷器监测器内设有电源，电源通过整流回路连接一电容器并为电容器充电，电容器与一计数器串联，电容器与计数器的回路上接有一晶闸管，晶闸管的门极通过感应线圈接在导电线上，晶闸管的阳极与阴极分别连接电容器与计数器，当导电线有电流通过时，感应线圈感应到电流，使晶闸管的门极通电，触发晶闸管动作，电容器对计数器放电，从而使计数器动作。
The invention discloses a detector detection device for a non-residual-voltage large-flow lightning arrester for UHV engineering, including a lightning arrester, the lightning arrester is grounded through a conductive wire, and the middle part of the conductive wire is disconnected. When lightning strikes the lightning arrester, the voltage can break through the open circuit in the middle of the conductive wire , so that the conductive wires are connected, it is characterized in that: the monitor device also includes a lightning arrester monitor, the lightning arrester monitor is provided with a power supply, the power supply is connected to a capacitor through a rectification circuit and charges the capacitor, the capacitor is connected in series with a counter, and the capacitor and the counter are connected in series. There is a thyristor connected to the circuit, the gate of the thyristor is connected to the conductive wire through the induction coil, the anode and the cathode of the thyristor are respectively connected to the capacitor and the counter, when the conductive wire has a current passing through it, the induction coil senses the current, and the gate of the thyristor is energized , trigger the action of the thyristor, and the capacitor discharges the counter, thus making the counter action.
Description
Technical field
The invention belongs to the technical fields that arrester is detected with monitoring device, and in particular to extra-high voltage project is big with no residual voltage
Through-flow lightning arrester monitor detection device.
Background technique
No residual voltage is through-flow greatly monitoring device for lightning arrester (abbreviation JCQ (W) type monitor) is with no residual voltage, big through-flow, high-precision
The characteristics of spending is not necessarily to outer attached power supply when work, and suitable for High-voltage AC Network, under specified operation phase voltage, follow current is (entirely
Electric current) be greater than 0.2mA(virtual value) gapless metal-oxide lighting arrester, obtained largely answering in ultra-high voltage transformer station
With.Since it is different from traditional lightning arrester monitor composed structure and working principle, conventional test methods pair can not be used
Tested.
Lightning arrester monitor is made of discharge counter and leakage current table, and conventional method is distinguished using two test equipments
Test the two: discharge counter test method is to carry out simulation lightning stroke to it using a high-voltage capacitance electric discharge, makes it
It acts and counts；Leakage current table is generally tested using common current calibration equipment.And in no residual voltage arrester through-flow greatly
With in monitor, discharge counter operation condition not only needs to simulate the external high pressure of lightning stroke, it is also necessary to provide operating current pair
The charging of monitor internal capacitor, therefore above-mentioned test method is not able to satisfy discharge counter operation condition；Leakage current table is then
Used high impedance current circuit, general electric current calibration equipment can not Injection Current, additional large capacity electric current need to be used to verify
Device is tested, and when test must carry additional equipment.
Therefore we need new test method, with reach quick and precisely to no residual voltage monitoring device for lightning arrester through-flow greatly into
The target of row test, and then realize the purpose for guaranteeing that arrester can accurately protect power system device to be safely operated.
Summary of the invention
The technical problem to be solved by the present invention is to solve the above shortcomings of the prior art and to provide one kind can be widely applied to
In the lightning arrester discharge counter on-the-spot test of various voltage class, the extra-high voltage of electric discharge counting and leakage current can be measured simultaneously
Engineering no residual voltage lightning arrester monitor detection device through-flow greatly.
To realize the above-mentioned technical purpose, the technical scheme adopted by the invention is as follows:
Extra-high voltage project passes through conductor wire with no residual voltage lightning arrester monitor detection device through-flow greatly, including arrester, arrester
Ground connection disconnects in the middle part of conductor wire, and when thunder and lightning hits arrester, open circuit in the middle part of voltage energy disruptive conduction line connects conductor wire
It is logical, it is characterized in that: monitor apparatus further includes a lightning arrester monitor, power supply is equipped in lightning arrester monitor, power supply passes through whole
It flows back to road to connect a capacitor and charge for capacitor, capacitor is connected with a counter, on the circuit of capacitor and counter
It is connected to a thyristor, the gate pole of thyristor is connect on conductor wire by induction coil, and anode and the cathode of thyristor are separately connected
Capacitor and counter, when conductor wire has electric current to pass through, induction coil senses electric current, and the gate pole of thyristor is made to be powered, touching
The movement of rutilated quartz brake tube, capacitor discharge to counter, to make counter action, leakage current table is serially connected on conductor wire.
To optimize above-mentioned technical proposal, the concrete measure taken further include:
Above-mentioned power supply is 1000KV bus.
Above-mentioned 1000KV bus can be cut-off with arrester simultaneously to be connect, when to arrester functional test, with 1000KV
Bus is struck by lightning to arrester input current, simulation.
Above-mentioned monitor apparatus further includes lightning-arrest test device, is equipped with supplying cell and master in lightning-arrest test device
Controller, supplying cell voltage are divided into two-way, are supplied respectively to Inverter and auxiliary power module；Inverter connects
It after connecing high-pressure modular, connect with capacitor, powers for capacitor, main controller controls capacitor output voltage tests discharge gage
Number, accessory power supply connect an amplifier power supply, and amplifier power supply is connect with Leakage Current table, and Leakage Current table is converted by channel signal
After module and A/D conversion module, it is connect with master controller.
Above-mentioned master controller is single-chip microcontroller.
Above-mentioned supplying cell is 12V/500mAH rechargeable lithium battery, and cruise duration is 2-3 days.
Mouse interface, USB interface, discharge test socket, leakage electricity are provided on the panel of above-mentioned lightning-arrest test device
Stream test socket and power switch.
Display screen is provided on the panel of above-mentioned lightning-arrest test device.
Above-mentioned display screen is liquid crystal display.
When arrester operates normally, 1000 kV buses, arrester and lightning arrester monitor form series loop and connect
Ground.Commutating circuit charges to internal capacitor in monitor, and when Lightning disturbance bus, the breakdown of monitor internal clearance is taken shelter from the thunder
Device discharges thunder and lightning of releasing over the ground；The sensed coil of pulsating current and commutating circuit that monitor internal clearance generates when puncturing, touching
The movement of rutilated quartz brake tube, capacitor discharges to counter, to make counter action.
From the working principle of monitor it is found that discharge counter movement needs 2 conditions: 1. arrester operating current is to it
Internal capacitor charging；2. providing discharge voltage, make its gap breakdown.When doing commissioning test, arrester is not charged, no residual voltage
Big through-flow monitoring device for lightning arrester only can not make monitor counter action with the method for electric discharge without operating current.
For no residual voltage monitoring device for lightning arrester feature through-flow greatly, we also further devise lightning-arrest test device, make
Testing equipment model machine can satisfy the requirement that monitor minimum continues working 1 mA of electric current, do the test of monitor discharge counter
When, 1.2 mA electric current of pre-add, then discharge monitor, to meet discharge counter operation condition.
In lightning-arrest test device, it is integrated with electric current calibration equipment, is realized and is only used set of device and can be completed to nothing
The target for monitoring device for lightning arrester test that residual voltage is through-flow greatly.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the circuit module connection diagram of lightning-arrest test device；
Fig. 3 is the panel schematic diagram of lightning-arrest test device.
Appended drawing reference therein are as follows: arrester 1, lightning arrester monitor 2, capacitor 3, counter 4, thyristor 5, the line of induction
Circle 6,1000KV bus 7, Leakage Current table 8, lightning-arrest test device 9.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Extra-high voltage project of the invention no residual voltage lightning arrester monitor detection device through-flow greatly, including arrester 1 are taken shelter from the thunder
Device 1 is grounded by conductor wire, is disconnected in the middle part of conductor wire, disconnected in the middle part of voltage energy disruptive conduction line when thunder and lightning hits arrester 1
Road is connected to conductor wire, it is characterized in that: monitor apparatus further includes a lightning arrester monitor 2, is equipped in lightning arrester monitor 2
Power supply, power supply connect a capacitor 3 by commutating circuit and charge for capacitor 3, and capacitor 3 is connected with a counter 4, capacitor
A thyristor 5 is connected on the circuit of device 3 and counter 4, the gate pole of thyristor 5 is connect on conductor wire by induction coil 6, brilliant lock
The anode and cathode of pipe 5 are separately connected capacitor 3 and counter 4, and when conductor wire has electric current to pass through, induction coil 6 is sensed
Electric current makes the gate pole of thyristor 5 be powered, and triggering thyristor 5 acts, and capacitor 3 discharges to counter 4, to keep counter 4 dynamic
Make.
In embodiment, power supply is 1000KV bus 7.
In embodiment, 1000KV bus 7 can be cut-off with arrester 1 simultaneously to be connect, when to 1 functional test of arrester, with
1000KV bus 7 is struck by lightning to 1 input current of arrester, simulation.
In embodiment, monitor apparatus further includes lightning-arrest test device 9, is equipped with supplying cell in lightning-arrest test device 9
And master controller, supplying cell voltage are divided into two-way, are supplied respectively to Inverter and auxiliary power module；Inverter
It after module connects high-pressure modular, connect with capacitor 3, powers for capacitor 3, the examination of 3 output voltage of main controller controls capacitor
It tests electric discharge to count, accessory power supply connects an amplifier power supply, and amplifier power supply is connect with Leakage Current table 8, and Leakage Current table 8 passes through logical
After road signal conversion module and A/D conversion module, it is connect with master controller.
In embodiment, master controller is single-chip microcontroller.
In embodiment, supplying cell is 12V/500mAH rechargeable lithium battery, and cruise duration is 2-3 days.
In embodiment, mouse interface is provided on the panel of lightning-arrest test device 9, USB interface, discharge test socket, is let out
Reveal current testing socket and power switch.
In embodiment, display screen is provided on the panel of lightning-arrest test device 9.
In embodiment, display screen is liquid crystal display.
Lightning-arrest test device 9 of the invention is mainly made of two large divisions, and top half is that power supply produces and exports control,
Lower half portion is master controller and its peripheral hardware, and structure is as shown in Figure 2:
Device performance and feature have:
1) 12V/500mAH rechargeable lithium battery built in, cruise duration was up to 2-3 days；
2) cell voltage is divided into two-way, is supplied respectively to Inverter and auxiliary power module；
3) discharge voltage is stored in internal mass capacitor both ends, by relay after high-voltage rectifying filters by inverter
Output voltage test electric discharge is controlled to count；
4) leakage current testing exports, and is to export control signal by master controller, is generating 50Hz just by DDS waveform generator chip
String wave signal, then export to amplifier power supply module, it is exported after being boosted by transformer isolation；
5) leakage current is converted through channel signal, is converted to the direct current signal of real available value, after A/D is converted, by master controller
It reads and shows.
Panel design is as shown in figure 3, include following sections:
1) discharge test terminal
Including red, black two output terminals, centre is that output indicator will be stored under discharge test mode by the terminal
The voltage output at internal capacitance both ends, counts discharge counter.
2) leakage current test terminal
Including red, black two output terminals, centre is output indicator, defeated by the terminal under leakage current table correction mode
Adjustable alternating current out.
3) ground terminal
The ground terminal of instrument, is connected with panel and shell, ensures safe operation.
4) power input
External 220V electric main, charging indicator light is bright, charges to internal lithium battery.
5) power switch
Control electric power starting and the closing of instrument.
6) display screen
Menu in Chinese is shown entirely, the feature operations such as various settings, model selection.
7) mouse
One key shuttle type keystroke pattern, three kinds of modes of operation of left-handed, dextrorotation and intermediate determination key.
Master controller of the invention is selected as STM32F103VBT6 type single-chip microcontroller, the sine wave fundamental wave of leakage current be by
DDS waveform generator AD9833 is generated.Leakage current signal is sent after the amplification filtering of amplifier OP07 circuit to RMS conversion
Device LTC1966 is converted into DC voltage, then exports to the A/D converter of AD7705, is converted into digital signal, finally transmits
It is calculated and is handled to master controller.Electrion output par, c is made of inverter, is controlled by the PWM that SG3525 is formed
12V DC voltage is converted into the alternating voltage of 1000V by device, using rectifying and wave-filtering, and is stored in large bulk capacitance both ends,
It is exported by relay.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (9)
1. extra-high voltage project no residual voltage lightning arrester monitor detection device through-flow greatly, including arrester (1), the arrester
(1) it is grounded by conductor wire, is disconnected in the middle part of the conductor wire, when thunder and lightning hits arrester (1), voltage energy disruptive conduction line
The open circuit at middle part, is connected to conductor wire, it is characterized in that: monitor apparatus further includes a lightning arrester monitor (2), described is lightning-arrest
Power supply is equipped in device monitor (2), power supply charges by commutating circuit connection one capacitor (3) and for capacitor (3), described
Capacitor (3) is connected with a counter (4), is connected to a thyristor (5) on the circuit of the capacitor (3) and counter (4),
The gate pole of the thyristor (5) is connect on conductor wire by induction coil (6), the anode and cathode of the thyristor (5)
Capacitor (3) and counter (4) are separately connected, when conductor wire has electric current to pass through, induction coil (6) senses electric current, makes crystalline substance
The gate pole of brake tube (5) is powered, and triggering thyristor (5) movement, capacitor (3) discharges to counter (4), to make counter (4)
Movement, leakage current table (8) are serially connected on conductor wire.
2. extra-high voltage project according to claim 1 no residual voltage lightning arrester monitor detection device through-flow greatly, feature
Be: the power supply is 1000KV bus (7).
3. extra-high voltage project according to claim 1 no residual voltage lightning arrester monitor detection device through-flow greatly, feature
Be: the 1000KV bus (7) can be cut-off with arrester (1) simultaneously to be connect, when to arrester (1) functional test, with
1000KV bus (7) is struck by lightning to arrester (1) input current, simulation.
4. extra-high voltage project according to claim 1 no residual voltage lightning arrester monitor detection device through-flow greatly, feature
Be: monitor apparatus further includes lightning-arrest test device (9), be equipped in the lightning-arrest test device (9) supplying cell and
Master controller, the supplying cell voltage are divided into two-way, are supplied respectively to Inverter and auxiliary power module；Described
It after Inverter connects high-pressure modular, connect with capacitor (3), powers for capacitor (3), the main controller controls
The test electric discharge of capacitor (3) output voltage counts, and the accessory power supply connects an amplifier power supply, the amplifier power supply with let out
Reveal ammeter (8) connection, after the Leakage Current table (8) is by channel signal conversion module and A/D conversion module, with master control
Device connection processed.
5. extra-high voltage project according to claim 4 no residual voltage lightning arrester monitor detection device through-flow greatly, feature
Be: the master controller is single-chip microcontroller.
6. extra-high voltage project according to claim 5 no residual voltage lightning arrester monitor detection device through-flow greatly, feature
Be: the supplying cell is 12V/500mAH rechargeable lithium battery, and cruise duration is 2-3 days.
7. extra-high voltage project according to claim 6 no residual voltage lightning arrester monitor detection device through-flow greatly, feature
It is: is provided with mouse interface, USB interface, discharge test socket, Leakage Current on the panel of the lightning-arrest test device (9)
Test socket and power switch.
8. extra-high voltage project according to claim 7 no residual voltage lightning arrester monitor detection device through-flow greatly, feature
It is: is provided with display screen on the panel of the lightning-arrest test device (9).
9. extra-high voltage project according to claim 8 no residual voltage lightning arrester monitor detection device through-flow greatly, feature
Be: the display screen is liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894905.6A CN109061348A (en) | 2018-08-08 | 2018-08-08 | Extra-high voltage project no residual voltage lightning arrester monitor detection device through-flow greatly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894905.6A CN109061348A (en) | 2018-08-08 | 2018-08-08 | Extra-high voltage project no residual voltage lightning arrester monitor detection device through-flow greatly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109061348A true CN109061348A (en) | 2018-12-21 |
Family
ID=64678518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810894905.6A Pending CN109061348A (en) | 2018-08-08 | 2018-08-08 | Extra-high voltage project no residual voltage lightning arrester monitor detection device through-flow greatly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109061348A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736022A (en) * | 2020-06-18 | 2020-10-02 | 国网新疆电力有限公司检修公司 | A kind of DC high voltage generator test device and test method thereof |
| 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 |
| CN114609567A (en) * | 2022-02-23 | 2022-06-10 | 江苏省送变电有限公司 | Tester of monitor of lightning arrester for extra-high voltage engineering |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205139349U (en) * | 2015-11-22 | 2016-04-06 | 江苏省电力公司苏州供电公司 | Arrester discharge counter and leakage current table check gauge |
| CN208654260U (en) * | 2018-08-08 | 2019-03-26 | 江苏省送变电有限公司 | Monitoring device for non-residual voltage and large current arrester monitoring device for UHV engineering |
-
2018
- 2018-08-08 CN CN201810894905.6A patent/CN109061348A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205139349U (en) * | 2015-11-22 | 2016-04-06 | 江苏省电力公司苏州供电公司 | Arrester discharge counter and leakage current table check gauge |
| CN208654260U (en) * | 2018-08-08 | 2019-03-26 | 江苏省送变电有限公司 | Monitoring device for non-residual voltage and large current arrester monitoring device for UHV engineering |
Non-Patent Citations (1)
| Title |
|---|
| 叶萍: "《无残压大通流避雷器监测器测试仪的研发》", 《苏州市职业大学学报》, pages 1 - 3 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736022A (en) * | 2020-06-18 | 2020-10-02 | 国网新疆电力有限公司检修公司 | A kind of DC high voltage generator test device and test method thereof |
| 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 |
| CN114609567A (en) * | 2022-02-23 | 2022-06-10 | 江苏省送变电有限公司 | Tester of monitor of lightning arrester for extra-high voltage engineering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104407272B (en) | A kind of cable identification device | |
| CN201628747U (en) | Suspension insulator insulation resistance online detection device | |
| WO2015032343A1 (en) | Testing system of gis electronic mutual inductor and method therefor | |
| CN104793058B (en) | High-voltage insulating resistance monitoring alarm instrument and its method of work | |
| CN106526330A (en) | Portable impact current generator for measuring impact ground resistance | |
| CN109061348A (en) | Extra-high voltage project no residual voltage lightning arrester monitor detection device through-flow greatly | |
| CN107064641A (en) | High-voltage insulating resistance online monitoring alarm instrument and method of work | |
| CN109884439A (en) | A black-start test system and method for a power system | |
| CN201903637U (en) | Checking instrument for monitoring discharge counter on line | |
| CN111521964B (en) | Electromagnetic field test platform for simulating power grid event disturbances | |
| CN110018287A (en) | A kind of explosive electrostatic test instrument for simulating static electricity on human body's spark discharge | |
| CN114966218B (en) | A grounding resistance detection device and method for a substation grounding grid | |
| CN106646307A (en) | Lightning arrester counter calibration device | |
| CN109470914A (en) | A VFTO signal measuring device | |
| CN205139349U (en) | Arrester discharge counter and leakage current table check gauge | |
| CN203117319U (en) | Combination waveform generator | |
| CN109490812A (en) | Nanosecond the impulse voltage generator and detection system for detecting mutual inductor overvoltage | |
| CN208654260U (en) | Monitoring device for non-residual voltage and large current arrester monitoring device for UHV engineering | |
| CN206114884U (en) | Arrester counter calibration equipment | |
| CN212229146U (en) | Electromagnetic field test platform for simulating power grid incident disturbance | |
| CN109655744A (en) | A kind of dc circuit breaker test voltage generative circuit and generation method | |
| CN204515022U (en) | Anti-interference transmission line of electricity high-voltage insulating resistance proving installation | |
| CN203773008U (en) | Impact characteristic simulation test device for grounding body with large simulated size and large amplitude value | |
| CN205920211U (en) | Portable capacitive on -line monitoring sensor tester | |
| CN114578138A (en) | Portable grounding device impact test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |