CN107167756A - A kind of major loop conduction rod for bushing type rheological test - Google Patents
A kind of major loop conduction rod for bushing type rheological test Download PDFInfo
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- CN107167756A CN107167756A CN201710469667.XA CN201710469667A CN107167756A CN 107167756 A CN107167756 A CN 107167756A CN 201710469667 A CN201710469667 A CN 201710469667A CN 107167756 A CN107167756 A CN 107167756A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The present invention relates to a kind of major loop conduction rod for bushing type rheological test, the conducting of primary circuit is carried out by being connected with casing current transformer, bushing type rheological test is realized, the major loop conduction rod includes：Power module, for being powered for major loop conduction rod；Control module is turned on, the casing cover with power module and casing current transformer is connected respectively, the conducting for controlling whether progress primary circuit；Mechanical conduction module, is connected with turning on the casing cover of control module and casing current transformer respectively, the conducting for carrying out primary circuit under the control of conducting control module；Wiring module, is connected, the complete loops for transmitting external voltage and forming sleeves formula rheological test to power module with external power source, power module, conducting control module, casing current transformer and outside test instrument respectively.Compared with prior art, the present invention has the advantages that automation performance is high, simple to operate, security performance is high and result of the test is accurate.
Description
Technical field
The present invention relates to large-scale power transformer bushing type rheology routine test field, it is used for sleeve pipe more particularly, to one kind
The major loop conduction rod of formula rheological test.
Background technology
Bushing type rheology (casing current transformer) is widely used in the power transformer of each voltage class, and its experiment will
Ask primary circuit to pass through sleeve pipe, be then passed through current transformer to form conducting.The characteristics of due to casing current transformer itself,
Contain a large amount of transformer oil in sleeve pipe, it is impossible to while opening sleeve pipe two end cover plate, how fast and accurately to complete current transformer
The ON operation of primary circuit during experiment, the big headache problem as testing crew.
Current Shanghai, Jiangsu, the electric power enterprise such as Jiangxi is using traditional casing current transformer experiment major loop conducting
Method：Stretched into 2 experimenters in testing ground by one piece of ground connection band iron or long metal bar in sleeve pipe, pound the pipe that conforms to a conventional pattern
Lid is painted, so that ground connection band iron or long metal bar, sleeve cover contact and then mutual with universal meter measurement electric current
The method whether major loop of sensor experiment turns on.Testing crew will take a significant amount of time and energy is turning on the work of major loop
On work, actually spend and had been over just in the time of the medium-and-large-sized major loop conducting of bushing type rheology of extra-high voltage project
The time of formula experiment.Therefore development one kind is needed to meet test measurement required precision, it is safe easily and fast, being accurately particularly
On the basis of complete major loop ON operation novel sleeve type rheological test with major loop turn on instrument.
The content of the invention
The purpose of the present invention is to provide a kind of major loop conduction rod for bushing type rheological test regarding to the issue above.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of major loop conduction rod for bushing type rheological test, is carried out once by being connected with casing current transformer
The conducting in loop, realizes bushing type rheological test, and the major loop conduction rod includes：
Power module, for being powered for major loop conduction rod；
Control module is turned on, the casing cover with power module and casing current transformer is connected respectively, for controlling whether
Carry out the conducting of primary circuit；
Mechanical conduction module, is connected with turning on the casing cover of control module and casing current transformer, for leading respectively
The conducting of primary circuit is carried out under the control of logical control module；
Wiring module, respectively with external power source, power module, conducting control module, casing current transformer and outside examination
Instrument connection is tested, the complete loops for transmitting external voltage and forming sleeves formula rheological test to power module.
The conducting control module includes：
Conduction detection circuit, is connected with power module, the casing cover of casing current transformer and mechanical conduction module respectively,
For detecting whether completing the conducting of primary circuit；
Turn-on control circuit, is connected with power module, conduction detection circuit and mechanical conduction module, is led for basis respectively
The working condition of the testing result control machinery conduction module of logical detection circuit.
The conduction detection circuit includes the turn-on transistor and auxiliary reclay that are sequentially connected, the turn-on transistor with
Power module is connected, and the auxiliary reclay is connected with turn-on control circuit, when not turned in primary circuit, the pole of conducting three
Pipe ends, and the auxiliary reclay is disconnected, and when being turned in primary circuit, the turn-on transistor is led with auxiliary reclay, machinery
Logical module, casing cover and power module collectively form loop, the auxiliary reclay closure.
The conduction detection circuit also includes light emitting diode, when the light emitting diode is turned in primary circuit, with machine
Tool conduction module, casing cover and power module collectively form loop, in luminance.
The turn-on control circuit includes the first switch and second switch of series connection, and the first switch connects with power module
Connect, the second switch is connected with conduction detection circuit and mechanical conduction module respectively, and the second switch is according to conduction detection
The testing result of circuit, is closed when primary circuit is not turned on, and is disconnected when primary circuit is turned on.
The mechanical conduction module includes：
Motor, is connected with conducting control module, is realized once for being produced according to the testing result of conducting control module
The power of the conducting in loop；
Drill bit, is connected with casing cover, for boring brokenly the insulating barrier of casing cover so as to realize the conducting of primary circuit；
Brush is linked, is connected respectively with motor, drill bit and conducting control module, it is logical for being constituted with conducting control module
Whether road, auxiliary conducting control module detection primary circuit turns on.
The power module includes：
Externally fed terminals, are connected by Wiring module with external power source, the voltage for receiving outside offer；
Transformer, is connected with externally fed terminals and conducting control module, for externally fed wiring to be terminated respectively
The voltage of receipts is changed into the operating voltage of conducting control module, is powered for conducting control module；
Battery, is connected, the dump energy for storing external power source offer with transformer and conducting control module respectively,
And powered when externally fed terminals are not connected with external power source for conducting control module.
The power module also includes mu balanced circuit, and the mu balanced circuit connects with transformer and conducting control module respectively
Connect.
The Wiring module includes：
Power interface, is connected with power module and external power source respectively, for being provided to power module transmission external power source
Electric energy；
Outside test instrument terminals, are connected with outside test instrument, the complete loops for forming sleeves formula rheological test；
Turn on control module terminals, respectively with conducting control module and casing current transformer be connected, for conducting
Control module constitutes path, and whether auxiliary conducting control module detection primary circuit turns on.
The major loop conduction rod also includes the hollow insulation body of rod, the power module, conducting control module, machinery conducting
Module and Wiring module may be contained within the inside of the hollow insulation body of rod, and the mechanical conduction module is located at the of the hollow insulation body of rod
One end, the power module, conducting control module and Wiring module are respectively positioned on the second end of the hollow insulation body of rod.
Compared with prior art, the invention has the advantages that：
(1) Wiring module is coordinated to be that mechanical conduction module is powered by power module, so that mechanical conduction module exists
Working condition go down decannulation current transformer casing cover on insulating barrier, simultaneously turn on control module can automatically insulation
Layer is removed rear control machinery conduction module and is stopped, and reduces working strength and work of the testing crew on conducting major loop
Make the time, automaticity is high.
(2) conducting control module includes conduction detection circuit and turn-on control circuit, is returned by conduction detection electric circuit inspection
Whether road turns on, and by turning on control module to the working condition of control machinery conduction module, is realized by the cooperation of the two
The Automatic Control of mechanical conduction module, without artificial monitoring.
(3) conduction detection circuit is realized by auxiliary reclay and turn-on transistor, whether can be with by the break-make in loop
Realize whether insulating barrier is removed complete judgement on casing cover, and detection method is simple and is easily achieved, and practical performance is strong.
(4) also include light emitting diode on conduction detection circuit, can directly pass through luminous two when primary circuit is turned on
Pole pipe prompting testing crew loop has been turned on, and is easy to testing crew to differentiate, while occurring in conduction rod wrong with casing cover contact point
When position is scratched and causes the major loop to disconnect, conducting origin can also be returned to by the instruction of the light emitting diode.
(5) turn-on control circuit includes the first switch and second switch of series connection, and artificial return is realized by first switch
Road conducting control, realizes that the break-make under automatic detection result is controlled by second switch, by the two common cooperation, realizes automatic
The break-make control that change degree is high and security performance is high.
(6) mechanical conduction module includes motor, drill bit and link brush, coordinates drill bit to make a return journey decannulation by motor
The insulating barrier covered, alleviates the working strength of staff, by linking brush and conducting control module composition path, so that
Realize the detection function whether conducting control module turns on to loop.
(7) power module includes externally fed terminals, transformer and battery, and externally fed terminals coordinate transformer
Can realize the externally fed of major loop conduction rod, and battery is by storing electric energy, when external cabling is inconvenient, directly based on
Loop conduction rod is powered, and power supply mode is flexibly, practical.
(8) power module also includes mu balanced circuit, and stable voltage is provided for conducting control module, improves the master and returns
The job stability and operating accuracy of road conduction rod.
(9) Wiring module includes power interface, outside test instrument terminals and conducting control module terminals, can be direct
The main electrical scheme of the test instrument of current transformer is switched in this major loop conduction rod, wiring is simple, easy to operate, is easy to sleeve pipe
The progress of formula rheological test.
(10) outside of major loop conduction rod is the hollow insulation body of rod, and inside uses 12V direct current ON operation voltages, and 5V is straight
The disconnected detection voltage of circulation, complies fully with the Electrical Safety regulation in national grid safety work order under particular surroundings, many-sided
Prevent Danger Electric shock risk factor, it is safe.
Brief description of the drawings
Fig. 1 is the cut-away view of major loop conduction rod；
Fig. 2 is the external structure of major loop conduction rod；
Fig. 3 is the structural representation of power module；
Fig. 4 is the structural representation of mechanical conduction module；
Fig. 5 is the structural representation of Wiring module；
Fig. 6 is the schematic diagram of conduction detection circuit；
Fig. 7 is the schematic diagram of turn-on control circuit
Wherein, 1 is power module, and 2 be conducting control module, and 3 be mechanical conduction module, and 5 be outside test instrument, and 11 be change
Depressor, 12 be battery, and 13 be mu balanced circuit, and 21 be auxiliary reclay, and 22 be turn-on transistor, and 23 be light emitting diode, 24
It is motor for voltage-regulator diode, 31,32 be drill bit, and 33 be link brush, and 41 be power interface, and 42 be outside test instrument wiring
End, 43 be conducting control module terminals.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
The present embodiment provide a kind of major loop conduction rod for bushing type rheological test, by with casing current mutual inductance
Device connection carries out the conducting of primary circuit, realizes bushing type rheological test, the major loop conduction rod includes：Power module 1, is used for
Powered for major loop conduction rod；Control module 2 is turned on, the casing cover with power module 1 and casing current transformer is connected respectively,
Conducting for controlling whether progress primary circuit；Mechanical conduction module 3, it is mutual with conducting control module 2 and casing current respectively
The casing cover connection of sensor, the conducting for carrying out primary circuit under the control of conducting control module 2；Wiring module, respectively
It is connected with external power source, power module 1, conducting control module 2, casing current transformer and outside test instrument 5, for power supply
Module 1 transmits the complete loops of external voltage and forming sleeves formula rheological test.
Wherein, conducting control module 2 includes：Conduction detection circuit, respectively with power module 1, casing current transformer
Casing cover and mechanical conduction module 3 are connected, for detecting whether completing the conducting of primary circuit；Turn-on control circuit, respectively with
Power module 1, conduction detection circuit and mechanical conduction module 3 are connected, for being controlled according to the testing result of conduction detection circuit
The working condition of mechanical conduction module 3.Conduction detection circuit includes the turn-on transistor 22 and auxiliary reclay 21 being sequentially connected,
Turn-on transistor 22 is connected with power module, and auxiliary reclay 21 is connected with turn-on control circuit, when not turned in primary circuit,
Turn-on transistor 22 ends, and auxiliary reclay 21 disconnects, when being turned in primary circuit, turn-on transistor 22 and auxiliary reclay
21st, mechanical conduction module, casing cover and power module collectively form loop, and auxiliary reclay 21 is closed, to turn-on control circuit
Second switch produce attraction so that second switch disconnect.Conduction detection circuit also includes light emitting diode 23, light-emitting diodes
When pipe 23 is turned in primary circuit, loop is collectively formed with mechanical conduction module 3, casing cover and power module 1, in luminous shape
State, while the two ends of auxiliary reclay 21 are connected with voltage-regulator diode 24, casing cover insulating barrier is turned in mechanical conduction module 3
During, drill bit rotates electric break-make that can be with sleeve shell formation high frequency when peeling insulating barrier off, causes auxiliary reclay 21 to exist
Moment it is multiple electric and dead electricity, reverse voltage-regulator diode 24 in parallel can prevent the both sides of auxiliary reclay 21 from overvoltage occur,
Auxiliary reclay 21 is avoided to burn out.Turn-on control circuit includes the first switch and second switch of series connection, first switch and electricity
Source module 1 is connected, and second switch is connected with conduction detection circuit and mechanical conduction module 3 respectively, and second switch is examined according to conducting
The testing result of slowdown monitoring circuit, is closed when primary circuit is not turned on, and is disconnected when primary circuit is turned on.Mechanical conduction module 3 is wrapped
Include：Motor 31, is connected with conducting control module 2, is once returned for producing realization according to the testing result of conducting control module 2
The power of the conducting on road；Drill bit 32, is connected with casing cover, for boring brokenly the insulating barrier of casing cover so as to realize leading for primary circuit
It is logical；Brush 33 is linked, is connected respectively with motor 31, drill bit 32 and conducting control module 2, for turning on the structure of control module 2
Into path, whether the auxiliary conducting detection of control module 2 primary circuit turns on.Power module 1 includes：Externally fed terminals, lead to
Cross Wiring module to be connected with external power source, the voltage for receiving outside offer；Transformer 11, respectively with externally fed terminals
Connected with conducting control module 2, the voltage for externally fed terminals to be received is changed into the work electricity of conducting control module 2
Pressure, powers for conducting control module 2；Battery, is connected with transformer 11 and conducting control module 2, for storing outside respectively
The dump energy that power supply is provided, and powered when externally fed terminals are not connected with external power source for conducting control module 2.Electricity
Source module 1 also includes mu balanced circuit, and mu balanced circuit is connected with transformer 11 and conducting control module 2 respectively.Wiring module includes：
Power interface 41, is connected with power module 1 and external power source respectively, for transmitting the electricity that external power source is provided to power module 1
Energy；Outside test instrument terminals 42, are connected, the complete loops for forming sleeves formula rheological test with outside test instrument 5；Conducting
Control module terminals 43, are connected with conducting control module 2 and casing current transformer respectively, for turning on control module 2
Path is constituted, whether the auxiliary conducting detection of control module 2 primary circuit turns on.Major loop conduction rod also includes hollow insulating bar
Body, power module 1, conducting control module 2, mechanical conduction module 3 and Wiring module may be contained within the inside of the hollow insulation body of rod,
Mechanical conduction module 3 is located at the first end of the hollow insulation body of rod, and power module 1, conducting control module 2 and Wiring module are respectively positioned on
Second end of the hollow insulation body of rod.
According to said structure, the internal structure and external structure for the major loop conduction rod realized in the present embodiment are respectively as schemed
Shown in 1 and Fig. 2, the cylindrical object in Fig. 2 is concrete structure such as Fig. 1 inside the hollow insulation body of rod, hollow insulating bar body
Shown, the internal structure is main by power module 1, conducting control module 2, mechanical conduction module 3 and the part group of Wiring module four
Into.
The concrete structure of power module 1 is as shown in figure 3, civil power 220V passes through transformation, and rectification obtains 12V secondary directs electricity
Source.12V dc sources can charge to battery simultaneously, be powered to operating electrical part；, can be by when being inconvenient to use 220V civil powers
12V direct-flow storage batteries are powered to operating electrical part, are that testing crew is gone out, are brought convenience to substation field work, simultaneously
Control module is turned on due to the presence of mu balanced circuit in power module, 5V direct current detection voltage backs is employed and powers, inside uses 12V
Direct current ON operation voltage, 5V direct currents break-make detection voltage, is complied fully with national grid safety work order under particular surroundings
Electrical Safety regulation, it is ensured that the safety of device.
Mechanical conduction module 3 is as shown in figure 4, mainly by 12V dc motors 31, drill bit 32, also most important chain
Connect brush 33 to constitute, set a brush to be electrically connected with motor shaft formation in motor front portion, broken sleeve pipe electricity is bored for increase drill bit 32
Current transformer lid paint when and lid contact area, the larger drill bit in the present embodiment Choice of Bits obtuse angle.
Wiring module is as shown in figure 5, be provided with 3 patch jacks, as shown in figure 4,41 be the power input of this conduction rod
Socket；42 be the first pole terminals of current transformer test instrument, and 43 be the exit of this conduction rod conduction detection functional loop,
It is connected to sleeve shell.
As shown in Figure 6 and Figure 7, the conducting control module 2 includes conduction detection circuit to the concrete structure of conducting control module 2
(Fig. 6) and turn-on control circuit (Fig. 7), as seen from Figure 7, presses K1, loop conducting, 12V direct current generators are bored during work
Cut paintwork.K2 is the disconnected node in loop, bores broken by conduction detection electric circuit inspection to paint, drill bit 32 well connects with lid
Signal and disconnected after touch, leave the motor off work；In Fig. 6, the conduction detection circuit is carried out with linking the grade of brush 33 part
Connection, link brush 33 is arranged on front side of the main shaft of motor 31, real by the structure and main shaft of similar motor brush with main shaft
Existing electrical circuit connection, using the main shaft of dc motor 31, drill bit 32, also lid are connected after paint is damaged in itself, then are led to
The structure of link brush 33 is crossed, the passage of electric signal is realized, using this passage, break-make measure loop is achieved, CT experiments
The major loop of instrument is turned on, the 5V power supplys come out through mu balanced circuit (being chopper circuit in the present embodiment), bores broken in drill bit 32
Whole loop conducting after paint, the energized action of auxiliary reclay 21 disconnects K2 normally closed contacts, and electric motor loop dead electricity shows brokenly
Lacquerer has terminated, and is automatically stopped work；LED is bright simultaneously, shows that major loop has been turned on, and can start CT experiments.
The mode of connection of major loop conduction rod operationally is specially：First pole terminals of current transformer test instrument
Connector socket accesses the first pole of test wire, and the first pole is connected to sleeve shell, is equally to turn on master using linking brush 33
Loop, will link brush 33 and is placed in the front rather than rear of the main shaft of motor 31, accordingly even when motor after being stopped
There is the presence of surplus excitation electric field inside it, also do not interfere with the first pole, the loop of the second pole conducting, so simple knot
The improvement of structure position, it is to avoid influence of the uncertain factor to test loop, improves the accuracy of test data.
According to the above-mentioned mode of connection, the step of CT test instrument primary circuits are turned on using the major loop conduction rod is as follows：
S1 negative terminal mouthful (the power failure machine terminals after conducting of control module terminals 43, i.e. conduction detection) will be turned on wire
Son) it is connected on sleeve pipe, constitute and be electrically connected with the shell of sleeve pipe；
S2) with wire by outside test instrument terminals 42, i.e. CT test '+' binding posts are connected to the on CT test instruments
One end；
S3) conduction rod is slowly put into it from the sleeve upper end taken apart, the drill bit 32 at the top of conduction rod is touched set
The cover plate that pipe opposite side is not switched on；
S4) press conduction rod motor power button and start conduction rod, now working power indicator lamp is lighted；
S5 the motor control button for starting ON operation) is pressed, conduction rod can complete ON operation in 2~5S, treat back
Road conducting indicator lamp is lighted, and motor decontrols button after stopping；
S6) step s5) in loop conducting lighting for indicator lamp show that the major loop ON operation of CT test instruments has been completed,
The second end of CT test instruments is connected on sleeve pipe with wire, constitutes and is electrically connected with the shell of sleeve pipe, next just can open
CT test instruments, carry out arrange parameter by the test operation explanation of test instrument and are tested.
Claims (10)
1. a kind of major loop conduction rod for bushing type rheological test, is once returned by being connected with casing current transformer
The conducting on road, realizes bushing type rheological test, it is characterised in that the major loop conduction rod includes：
Power module, for being powered for major loop conduction rod；
Control module is turned on, the casing cover with power module and casing current transformer is connected respectively, for controlling whether to carry out
The conducting of primary circuit；
Mechanical conduction module, is connected with turning on the casing cover of control module and casing current transformer respectively, in conducting control
The conducting of primary circuit is carried out under the control of molding block；
Wiring module, respectively with external power source, power module, conducting control module, casing current transformer and outside test instrument
Connection, the complete loops for transmitting external voltage and forming sleeves formula rheological test to power module.
2. the major loop conduction rod according to claim 1 for bushing type rheological test, it is characterised in that the conducting
Control module includes：
Conduction detection circuit, is connected with power module, the casing cover of casing current transformer and mechanical conduction module, is used for respectively
Detect whether the conducting of completion primary circuit；
Turn-on control circuit, is connected with power module, conduction detection circuit and mechanical conduction module, for being examined according to conducting respectively
The working condition of the testing result control machinery conduction module of slowdown monitoring circuit.
3. the major loop conduction rod according to claim 2 for bushing type rheological test, it is characterised in that the conducting
Detection circuit includes the turn-on transistor and auxiliary reclay being sequentially connected, and the turn-on transistor is connected with power module, institute
Auxiliary reclay is stated to be connected with turn-on control circuit, when not turned in primary circuit, the turn-on transistor cut-off, the centre
Relay disconnects, when turn in primary circuit, the turn-on transistor and auxiliary reclay, machinery conduction module, casing cover and
Power module collectively forms loop, the auxiliary reclay closure.
4. the major loop conduction rod according to claim 3 for bushing type rheological test, it is characterised in that the conducting
Detect that circuit also includes light emitting diode, when the light emitting diode is turned in primary circuit, with mechanical conduction module, casing cover
Loop is collectively formed with power module, in luminance.
5. the major loop conduction rod according to claim 2 for bushing type rheological test, it is characterised in that the conducting
Circuit is controlled to include the first switch and second switch of series connection, the first switch is connected with power module, the second switch
Be connected respectively with conduction detection circuit and mechanical conduction module, the second switch according to the testing result of conduction detection circuit,
Close, disconnected when primary circuit is turned on when primary circuit is not turned on.
6. the major loop conduction rod according to claim 1 for bushing type rheological test, it is characterised in that the machinery
Conduction module includes：
Motor, is connected with conducting control module, and primary circuit is realized for being produced according to the testing result of conducting control module
Conducting power；
Drill bit, is connected with casing cover, for boring brokenly the insulating barrier of casing cover so as to realize the conducting of primary circuit；
Brush is linked, is connected respectively with motor, drill bit and conducting control module, for constituting path with conducting control module,
Whether auxiliary conducting control module detection primary circuit turns on.
7. the major loop conduction rod according to claim 1 for bushing type rheological test, it is characterised in that the power supply
Module includes：
Externally fed terminals, are connected by Wiring module with external power source, the voltage for receiving outside offer；
Transformer, is connected with externally fed terminals and conducting control module, for receive externally fed terminals respectively
Voltage is changed into the operating voltage of conducting control module, is powered for conducting control module；
Battery, is connected, the dump energy for storing external power source offer with transformer and conducting control module respectively, and
Powered when externally fed terminals are not connected with external power source for conducting control module.
8. the major loop conduction rod according to claim 7 for bushing type rheological test, it is characterised in that the power supply
Module also includes mu balanced circuit, and the mu balanced circuit is connected with transformer and conducting control module respectively.
9. the major loop conduction rod according to claim 1 for bushing type rheological test, it is characterised in that the wiring
Module includes：
Power interface, is connected with power module and external power source respectively, for transmitting the electricity that external power source is provided to power module
Energy；
Outside test instrument terminals, are connected with outside test instrument, the complete loops for forming sleeves formula rheological test；
Control module terminals are turned on, are connected respectively with conducting control module and casing current transformer, for turning on control
Whether module composition path, auxiliary conducting control module detection primary circuit turns on.
10. the major loop conduction rod according to claim 1 for bushing type rheological test, it is characterised in that the master
Loop conduction rod also includes the hollow insulation body of rod, the power module, conducting control module, mechanical conduction module and Wiring module
The inside of the hollow insulation body of rod is may be contained within, the mechanical conduction module is located at the first end of the hollow insulation body of rod, the power supply
Module, conducting control module and Wiring module are respectively positioned on the second end of the hollow insulation body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469667.XA CN107167756B (en) | 2017-06-20 | 2017-06-20 | Main loop guide rod for sleeve type rheological test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469667.XA CN107167756B (en) | 2017-06-20 | 2017-06-20 | Main loop guide rod for sleeve type rheological test |
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| CN107167756A true CN107167756A (en) | 2017-09-15 |
| CN107167756B CN107167756B (en) | 2023-07-21 |
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| CN201710469667.XA Active CN107167756B (en) | 2017-06-20 | 2017-06-20 | Main loop guide rod for sleeve type rheological test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113533911A (en) * | 2021-06-11 | 2021-10-22 | 中国电力科学研究院有限公司 | Experimental device and testing method for high-voltage bushing insulation test and temperature detection |
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