CN110221133A - A kind of quick phasing adjustement of electric system high-tension line and its application method - Google Patents
A kind of quick phasing adjustement of electric system high-tension line and its application method Download PDFInfo
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- 238000009413 insulation Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 239000004020 conductor Substances 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 12
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/18—Indicating phase sequence; Indicating synchronism
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Abstract
The invention discloses a kind of quick phasing adjustements of electric system high-tension line, including shell and the Drive assembly being set in shell and feedback component, Drive assembly includes high direct voltage module and output channel switching module, the input terminal of output channel switching module is connected with high direct voltage module, the output end of output channel switching module is connected with one end of each phase of high-tension line, feedback component includes current measurement module, processor and data outputting module, the input terminal of current detection module is connected with Ground return, the output end of current detection module is connected with the input terminal of processor, the output end of processor is connected with data outputting module；The invention also discloses the application methods of the above-mentioned quick phasing adjustement of electric system high-tension line, the device of the invention is improved work efficiency compared to existing insulation resistance meter, reduce operational risk, it is safer that method of the invention compared to a phase of traditional approach is grounded remaining mutually hanging detection mode, improves safety.
Description
Technical field
Determine phase nuclear phase equipment more particularly to a kind of electric system high-tension line the present invention relates to a kind of high-tension line quickly to determine
Phase device and its application method.
Background technique
Project of transmitting and converting electricity and interval enlarging, power transmission and distribution project are newly set up in electric system or wiring changes, moves towards to become
After the high-tension line of change accesses work, main equipment overhaul, the scene of putting into operation of being completed will carry out power phase and appraise and decide test.Nuclear phase is
Refer to the phase sequence and phase by two transmission lines of electricity of measurement, is then incorporated to two lines road phase sequence and phase are consistent together.
Such as power grid merging, the Main connection form of substation, the wiring group of transformer, Secondary Connections of PTs mode require
It can wiring after nuclear phase.
When two different power-supply systems of phase sequence or the different transformer of wiring group access work, it will cause short circuit
Accident seriously damages two main transformers；Phase sequence wrong will use family three-phase rotation electric appliance and reversely rotate, and damage equipment is scrapped
Product；Power-type instrument, metering failure；If phase or the different AC power source of phase sequence side by side or cyclization, will generate very big electricity
Stream, huge electric current will cause the damage of generator or electrical equipment, influence normally production or other adverse consequences.
The mutually main insulated electro that each phase is measured by insulation resistance meter fixed to high pressure overhead power line of electric system at present
Resistance specially chooses one end ground connection of a phase, phase one end in addition is hanging, and then operator connects insulation resistance meter to determine phase
It is tested in the other end of a wherein phase, the connection of insulation resistance meter and tested phase is disconnected after being completed, and by insulated electro
Resistance table connects the other end in next phase and is tested, and the both ends of high-tension line require to arrange personnel amendment wiring, cumbersome；
And since often there are also other, dead line or the wiring on the same tower high-tension line not having a power failure, tested phase are not near high-tension line
The induced electricity that voltage is up to tens of thousands of volts can be generated when hanging phase, personal safety when this is to operator's wiring causes greatly to endanger
Evil, existing insulation resistance meter is interior to be equipped with protection circuit, just closes test function when detecting the induced electricity of voltage 70V or more
And driving voltage can not be generated, prevent operator from will be shocked by electricity when insulation resistance meter and tested phase connection by induced electricity, but this
Mutually have in faradic situation that insulation resistance meter can not detect its insulation resistance but also tested, so that phase is determined in influence.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
Kind changeable measured high voltage line road, overcome it is faradic influence, easy to operate, the simple electric system high-tension line of structure is quick
Phasing adjustement and its application method.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of quick phasing adjustement of electric system high-tension line, including shell and the Drive assembly being set in shell and feedback
Component, the Drive assembly include high direct voltage module and output channel switching module, the output channel switching module it is defeated
Entering end to connect with high direct voltage module, the output end of the output channel switching module is connected with one end of each phase of high-tension line,
The feedback component includes current measurement module, processor and data outputting module, the input terminal of the current detection module
It is connected with Ground return, the output end of the current detection module is connected with the input terminal of processor, the output of the processor
End is connected with data outputting module.
Preferably, the output end of the output channel switching module is equipped at least three voltage output channel, and the voltage is defeated
Channel is respectively mutually corresponded with high-tension line out, and the voltage output channel is connected with corresponding respectively.
Preferably, the high direct voltage module includes battery unit and high direct voltage converter unit, the battery unit
Discharge end is connected with the input terminal of high direct voltage converter unit, and the output end and output channel of the high direct voltage converter unit are cut
Change the mold the input terminal connection of block.
Preferably, the data outputting module is display module.
Preferably, the data outputting module includes A/D AD conversion unit and LED display unit, the processor
Output end is connected with the input terminal of A/D AD conversion unit, the output end and LED display unit of the A/D AD conversion unit
Input terminal connection.
Preferably, the shell is equipped at least four port, and the current detection module is by wherein 1 port and greatly
Earthed return connection, the output channel switching module are connected by other port with one end of each phase of high-tension line, the end
Mouth is connected with insulated conductor, and one end of the insulated conductor is equipped with wire clamp, and the other end of the insulated conductor, which is equipped with, to be used for and institute
State the plug of port connection.
Preferably, the insulated conductor is spring wire.
Preferably, the wire clamp is metal clip, and the handheld terminal of the wire clamp is equipped with insulation sleeve.
The present invention also provides the application methods of the above-mentioned quick phasing adjustement of electric system high-tension line, comprising the following steps:
1) start high direct voltage module, one end of each phase of high-tension line is connect with output channel switching module respectively, by electric current
Measurement module and the earth connect；
2) it chooses the other end of one phase of high-tension line vacantly and by the other end of remaining phase to be grounded, mould is switched by output channel
Block successively switches tested phase, each corresponding insulating resistance value is obtained respectively by feedback component, according to insulating resistance value pair
Tested Xiang Dingxiang, insulating resistance value infinity is mutually hanging phase；
3) step 2 is repeated, until each Xiang Junding phase of high-tension line.
Compared with the prior art, the advantages of the present invention are as follows:
1. the device of the invention generates stable high direct voltage by high direct voltage module and is output to tested phase, overcome existing
Insulation resistance meter can not lead to the problem of driving voltage in tested Xiang Shangyou induced electricity and carry out insulation measurement.
2. the device of the invention switches tested phase by output channel switching module, operator is avoided by insulated electro
It is shocked by electricity when hindering table and tested phase connection by induced electricity, while changing to be tested compared to existing insulation resistance meter and mutually carrying out wiring
It improves work efficiency.
3. method of the invention uses a phase vacantly remaining detection mode being mutually grounded, so that not having a power failure there are also other nearby
In the case where route or the wiring on the same tower high-tension line not having a power failure, the hanging induction piezoelectric voltage mutually generated is smaller, compared to tradition
One phase of mode is grounded remaining mutually hanging detection mode and improves safety.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention.
Fig. 2 is the external structure schematic diagram of the embodiment of the present invention one.
Fig. 3 is insulated conductor structural schematic diagram of the invention.
Fig. 4 is the working principle diagram of the embodiment of the present invention one.
Fig. 5 is the external structure schematic diagram of the embodiment of the present invention two.
Fig. 6 is the external structure schematic diagram of the embodiment of the present invention three.
Fig. 7 is the working principle diagram of the embodiment of the present invention three.
Marginal data: 1- shell；The port 11-；2- high direct voltage module；21- battery unit；The transformation of 22- high direct voltage is single
Member；221- high pressure leads to testing button；3- output channel switching module；The channel 31- switching push button；4- current detection module；At 5-
Manage device；6- data outputting module；61-A/D AD conversion unit；62-LED display unit；7- insulated conductor；71- wire clamp；72-
Plug.
Specific embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
Embodiment one
As shown in Figure 1, the quick phasing adjustement of electric system high-tension line of the present embodiment, including shell 1 and it is set in shell 1
Drive assembly and feedback component, the Drive assembly of the present embodiment include high direct voltage module 2 and output channel switching module
3, input terminal and high direct voltage module 2 connection of output channel switching module 3, the output end and height of output channel switching module 3
One end of each phase in crimping road connects.The feedback component of the present embodiment includes current measurement module 4, processor 5 and data output
The input terminal of module 6, current detection module 4 is connected with Ground return, the output end of current detection module 4 and processor 5 it is defeated
Enter end connection, output end and data outputting module 6 connection of processor 5.The present embodiment generates stabilization by high direct voltage module 2
High direct voltage be output to tested phase, overcome existing insulation resistance meter can not be generated when tested Xiang Shangyou induced electricity excitation electricity
Pressure carries out the problem of insulation measurement.The present embodiment switches tested phase by output channel switching module 3, avoids operator
Member will be shocked by electricity when insulation resistance meter and tested phase connection by induced electricity, while tested compared to the change of existing insulation resistance meter
Wiring is mutually carried out to improve work efficiency.
The processor 5 of the present embodiment can directly export the current value that current detection module 4 detects to data outputting module
6, operator is by being tested the voltage value of phase and the exhausted of tested phase being calculated from the current value that data outputting module 6 obtains
Edge resistance, to be carried out determining phase according to insulating resistance value.The voltage value of tested phase can also be defaulted in processor 5 by operator,
The current value that processor 5 detects preset voltage value and current detection module 4 is handled to obtain the insulation resistance of tested phase
Value, then insulating resistance value is exported to data outputting module 6 and carries out determining phase for operator by processor 5, is avoided manually with this
There is mistake in calculating, while can also be improved working efficiency.Processor 5 uses CPLD(complex programmable logic in the present embodiment
Device) chip, CPLD chip is preset with the voltage value of tested phase, and CPLD chip carries out logic to the data of voltage value and current value
Calculation process obtains the insulating resistance value of tested phase, then insulating resistance value is output to data outputting module 6.
Shell 1 in the present embodiment is plastic material, can element inside preferable protective device, prevent from using
Device, which is inadvertently fallen off, in journey causes internal component wear, avoids device electric leakage and damages to operator, also avoids
The problem of being corroded when shell 1 is using metal material.
As shown in Figure 1, the output end of the output channel switching module 3 of the present embodiment is equipped with 3 voltage output channels, voltage
Output channel is respectively mutually corresponded with high-tension line, and voltage output channel is connected with corresponding respectively.
As shown in Fig. 2, the output channel switching module 3 of the present embodiment includes channel switching push button 31, channel switching push button
31 are set on shell 1, and when operation can successively be realized the voltage output of output channel switching module 3 by pressure passageway switching push button 31
The switching in channel.
As shown in Figure 1, high direct voltage module 2 includes battery unit 21 and high direct voltage converter unit 22 in the present embodiment,
The discharge end of battery unit 21 is connected with the input terminal of high direct voltage converter unit 22, the output end of high direct voltage converter unit 22
It is connected with the input terminal of output channel switching module 3.Battery unit 21 in the present embodiment uses rechargeable lithium battery, battery list
The voltage of member 21 is 12V, and the high direct voltage converter unit 22 in the present embodiment is DC/DC high direct voltage converter unit comprising
PWM pulse-width modulation circuit and inverter, PWM pulse-width modulation circuit control voltage by changing inverter pulse voltage duty ratio
Output, has high conversion efficiency, the low advantage of power supply power consumption, and PWM pulse-width modulation circuit is controlled using SG3525 chip as PWM
Chip, the output end voltage of high direct voltage converter unit 22 are 2500V.
As shown in Fig. 2, the high direct voltage converter unit 22 of the present embodiment is equipped with the logical survey of high pressure for start unit circuit
Button 221 is tried, high pressure is led to testing button 221 and is set on shell 1.It is additionally provided with total power switch on the shell 1 of the present embodiment, is connect
After logical total power switch opens instrument, the logical testing button 221 of pressing high pressure can start high direct voltage converter unit 22 and export directly
Flow high pressure.
As shown in Figure 1, data outputting module 6 is display module in the present embodiment, allow the operator to according in display
Hold quickly and easily approved circuit phase sequence, data outputting module 6 includes A/D AD conversion unit 61 and LED display unit 62,
LED display unit 62 is set on shell 1, and the output end of processor 5 is connected with the input terminal of A/D AD conversion unit 61, A/D
The output end of AD conversion unit 61 is connected with the input terminal of LED display unit 62.The A/D AD conversion unit 61 of the present embodiment
Low level signal can directly be received simultaneously as the full simulation front end of low frequency measurement application using AD7710 analog-digital converter
Generate serial digital output.
As depicted in figs. 1 and 2, in the present embodiment, shell 1 is equipped with 4 ports 11, and port 11 is cut with output channel respectively
The input terminal in the voltage output channel and current measurement module 4 that change the mold block 3 corresponds, and output channel switching module 3 passes through
Wherein 3 ports 11 are connected with one end of each phase of high-tension line, and current measurement module 4 is by wherein other 1 port 11 and greatly
Earthed return connection.It is identified for convenience of operator, 3 ports that the present embodiment will be connect with output channel switching module 3
11 are respectively labeled as channel 1, channel 2 and channel 3, by the port 11 connecting with current measurement module 4 labeled as the end E (ground connection
End).
As shown in figures 1 and 3, for convenient for the device of the present embodiment and high-tension line and Ground return are attached,
The port 11 of the present embodiment is connected with insulated conductor 7, and one end of insulated conductor 7 is equipped with wire clamp 71, and the other end of insulated conductor 7 is set
There is the plug 72 for connecting with port 11.
As shown in figure 3, the insulated conductor 7 of the present embodiment is spring wire, storage space had not only been saved but also can be by freely stretching
Length adjustment is realized in contracting, is detected convenient for the high-tension line to eminence.
As shown in figure 3, the wire clamp 71 of the present embodiment is metal clip, the handheld terminal of wire clamp 71 is equipped with insulation sleeve to reduce operation
Electric shock risk of personnel during wiring.
As shown in figure 4, the application method of the quick phasing adjustement of electric system high-tension line of the present embodiment includes following step
It is rapid:
1) for ensure safety, power equipment operation maintenance personnel and operator by the two-terminal-grounding of A, B, C three-phase of high-tension line, so
The channel 1, channel 2 and channel 3 of the present apparatus are connected to one end of A, B, C three-phase by operator by insulated conductor 7 afterwards, simultaneously will
The end E of the invention is connected by insulated conductor 7 and the earth, then one end of the identical present apparatus of A, B, C tri- connection and the earth are disconnected
Connection, last operation personnel's opening device total power switch simultaneously press the logical starting of the testing button 221 high direct voltage transformation list of high pressure
Member 22；
2) other end of a phase is hanging, remaining phase in power equipment operation maintenance personnel selection measured high voltage line road A phase, B phase, C phase
After the other end keeps ground connection, operator is tested mutually and according to LED display unit by the switching of pressure passageway switching push button 31 every 5 seconds
62 display content obtains each corresponding insulating resistance value, using remaining hanging detection mode for being mutually grounded of a phase, attached
It is close there are also in the case where other not dead line or the wiring on the same tower high-tension line not having a power failure, the hanging induction piezoelectric voltage mutually generated
Smaller, the phase compared to traditional approach is grounded remaining mutually hanging detection mode and improves safety, then operator's root
According to insulating resistance value to tested Xiang Dingxiang, insulation resistance infinity is mutually hanging phase；
It is specific:
The earth if A phase, B connect, after C phase is hanging, the corresponding phase insulation resistance in channel 1 and channel 2 is zero, the corresponding phase in channel 3
Insulation resistance is infinitely great, then determines the corresponding phase in channel 3 for C phase；
The earth if B phase, C connect, after A phase is hanging, the corresponding phase insulation resistance in channel 2 and channel 3 is zero, the corresponding phase in channel 1
Insulation resistance is infinitely great, then determines the corresponding phase in channel 1 for A phase；
The earth if A phase, C connect, after B phase is hanging, the corresponding phase insulation resistance in channel 1 and channel 3 is zero, the corresponding phase in channel 2
Insulation resistance is infinitely great, then determines the corresponding phase in channel 2 for B phase；
3) step 2 is repeated, until each Xiang Junding phase in measured high voltage line road.
Embodiment two
As shown in figure 5, the quick phasing adjustement of electric system high-tension line of the present embodiment is basically the same as the first embodiment, difference exists
Include exchange-column shift unit (not shown) in the output channel switching module 3 of the present embodiment, so that the output of the present embodiment
Channel switching module 3 can exchange-column shift be tested phase and to save channel switching push button 31 reduce manual switching in phasing process
The operation of tested phase, further simplifies operating procedure, and the switching slot of exchange-column shift unit is 8 seconds in the present embodiment.
Embodiment three
The quick phasing adjustement of electric system high-tension line of the present embodiment is basically the same as the first embodiment, and difference is the present embodiment
Output channel switching module 3 output end be equipped with 4 voltage output channels, wherein 3 voltage output channels and high-tension line
Power transmission line correspond, in addition 1 voltage output channel corresponds to the neutral conductor of high-tension line, so that embodiment adds right
The neutral conductor determines phase detection function.
As shown in fig. 6, the shell 1 of the present embodiment be equipped with 5 ports 11, port 11 respectively with output channel switching module
3 voltage output channel and the input terminal of current measurement module 4 correspond, and output channel switching module 3 passes through wherein 4
Port 11 is connected with one end of each phase of high-tension line, and current measurement module 4 is connected by wherein other 1 port 11 and Ground return
It connects.It is identified for convenience of operator, the present embodiment marks 4 ports 11 connecting with output channel switching module 3 respectively
It is denoted as channel 1, channel 2, channel 3 and channel 4, the port 11 connecting with current measurement module 4 is labeled as the end E (ground terminal).
As shown in fig. 7, the application method of the quick phasing adjustement of electric system high-tension line of the present embodiment includes following step
It is rapid:
It 1) is to ensure safety, power equipment operation maintenance personnel and operator by the A phase, B phase, C phase and the neutral conductor of high-tension line
Two-terminal-grounding, then operator by channel 1 of the invention, channel 2, channel 3 and channel 4 by insulated conductor 7 be connected to by
One end of high-tension line A phase, B phase, C phase and the neutral conductor is surveyed, while the end E of the invention being connected by insulated conductor 7 and the earth
It connects, then A phase, B phase, C phase and the neutral conductor is disconnected with one end that the present apparatus connects with the earth, last operation personnel open
Device total power switch simultaneously presses the logical starting of the testing button 221 high direct voltage converter unit 22 of high pressure；
2) power equipment operation maintenance personnel choose a phase in A phase, B phase, C phase and the neutral conductor the other end it is hanging, remaining phase another
After one end keeps ground connection, operator is tested mutually and according to LED display unit 62 by the switching of pressure passageway switching push button 31 every 5 seconds
Display content obtain each corresponding insulating resistance value, then operator according to insulating resistance value to tested Xiang Dingxiang,
Insulation resistance infinity is mutually hanging phase:
It is specific:
If A phase, B phase, C phase connects the earth, after the neutral conductor is hanging, channel 1, the corresponding phase insulation resistance in channel 2 and channel 3 are zero,
The corresponding phase insulation resistance in channel 4 is infinitely great, then determines that the corresponding phase in channel 4 is the neutral conductor；
If B phase, C phase, the neutral conductor connect the earth, after A phase is hanging, channel 2, the corresponding phase insulation resistance in channel 3 and channel 4 are zero,
The corresponding phase insulation resistance in channel 1 is infinitely great, then determines the corresponding phase in channel 1 for A phase；
If A phase, C phase, the neutral conductor connect the earth, after B phase is hanging, channel 1, the corresponding phase insulation resistance in channel 3 and channel 4 are zero,
The corresponding phase insulation resistance in channel 2 is infinitely great, then determines the corresponding phase in channel 2 for B phase；
If A phase, B phase, the neutral conductor connect the earth, after C phase is hanging, channel 1, the corresponding phase insulation resistance in channel 2 and channel 4 are zero,
The corresponding phase insulation resistance in channel 3 is infinitely great, then determines the corresponding phase in channel 3 for C phase；
3) step 2 is repeated, until each Xiang Junding phase in measured high voltage line road.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (9)
1. a kind of quick phasing adjustement of electric system high-tension line, which is characterized in that including shell (1) and be set to shell (1)
Interior Drive assembly and feedback component, the Drive assembly include high direct voltage module (2) and output channel switching module
(3), the input terminal of the output channel switching module (3) and high direct voltage module (2) connection, the output channel switching module
(3) output end is connected with one end of each phase of high-tension line, and the feedback component includes current measurement module (4), processor (5)
And data outputting module (6), the input terminal of the current detection module (4) are connected with Ground return, the current detecting mould
The output end of block (4) is connected with the input terminal of processor (5), and the output end and data outputting module (6) of the processor (5) are even
It connects.
2. the quick phasing adjustement of electric system high-tension line according to claim 1, which is characterized in that the output channel
The output end of switching module (3) is equipped at least three voltage output channel, and the voltage output channel and each phase of high-tension line are one by one
Corresponding, the voltage output channel is connected with corresponding respectively.
3. the quick phasing adjustement of electric system high-tension line according to claim 1, which is characterized in that the high direct voltage
Module (2) includes battery unit (21) and high direct voltage converter unit (22), the discharge end and direct current of the battery unit (21)
The input terminal of high pressure conversion unit (22) connects, and the output end and output channel of the high direct voltage converter unit (22) switch mould
The input terminal of block (3) connects.
4. the quick phasing adjustement of electric system high-tension line according to claim 1, which is characterized in that the data output
Module (6) is display module.
5. the quick phasing adjustement of electric system high-tension line according to claim 4, which is characterized in that the data output
Module (6) includes A/D AD conversion unit (61) and LED display unit (62), the output end and A/D mould of the processor (5)
The input terminal connection of number converting unit (61), the output end of the A/D AD conversion unit (61) and LED display unit (62)
Input terminal connection.
6. the quick phasing adjustement of electric system high-tension line according to claim 1, which is characterized in that the shell (1)
It is equipped at least four port (11), the current detection module (4) is connected by wherein 1 port (11) with Ground return, institute
It states output channel switching module (3) to connect by other port (11) with one end of each phase of high-tension line, the port (11)
It is connected with insulated conductor (7), one end of the insulated conductor (7) is equipped with wire clamp (71), and the other end of the insulated conductor (7) is set
Have for the plug (72) with the port (11) connection.
7. the quick phasing adjustement of electric system high-tension line according to claim 6, which is characterized in that the insulated conductor
It (7) is spring wire.
8. the quick phasing adjustement of electric system high-tension line according to claim 6, which is characterized in that the wire clamp (71)
Handheld terminal for metal clip, the wire clamp (71) is equipped with insulation sleeve.
9. the application method of -8 any quick phasing adjustements of electric system high-tension line according to claim 1, feature
It is, comprising the following steps:
1) one end of each phase of high-tension line is connect with output channel switching module (3) respectively, by current measurement module (4) and greatly
Ground connection, starts high direct voltage module (2)；
2) it chooses the other end of one phase of high-tension line vacantly and by the other end of remaining phase to be grounded, mould is switched by output channel
Block (3) successively switches tested phase, each corresponding insulating resistance value is obtained respectively by feedback component, according to insulating resistance value
To tested Xiang Dingxiang, insulating resistance value infinity is mutually hanging phase；
3) step 2 is repeated, until each Xiang Junding phase of high-tension line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521273.3A CN110221133B (en) | 2019-06-17 | 2019-06-17 | Rapid phasing device for high-voltage line of power system and application method of rapid phasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521273.3A CN110221133B (en) | 2019-06-17 | 2019-06-17 | Rapid phasing device for high-voltage line of power system and application method of rapid phasing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110221133A true CN110221133A (en) | 2019-09-10 |
| CN110221133B CN110221133B (en) | 2024-08-06 |
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|---|---|---|---|
| CN201910521273.3A Active CN110221133B (en) | 2019-06-17 | 2019-06-17 | Rapid phasing device for high-voltage line of power system and application method of rapid phasing device |
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