CN108414884A - A kind of transformer fault monitoring method - Google Patents
A kind of transformer fault monitoring method Download PDFInfo
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- CN108414884A CN108414884A CN201810452519.1A CN201810452519A CN108414884A CN 108414884 A CN108414884 A CN 108414884A CN 201810452519 A CN201810452519 A CN 201810452519A CN 108414884 A CN108414884 A CN 108414884A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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Abstract
A kind of transformer fault monitoring method of the present invention belongs to transformer fault monitoring field；A kind of transformer fault monitoring method is applied to transformer fault monitoring device, and the transformer fault monitoring device includes power supply device, magnetic field monitoring device and warning device；The power supply device provides electric energy for the warning device, at the same in the magnetic field monitoring device electric current increase, start the warning device；The magnetic field monitoring device and mounting disc are used cooperatively, and no dead angle monitors Magnetic Leakage Field of Transformer at this position and changes；Fixed coil, which is cascaded, to be ensured, when breaking down, the electric current that each coil is collected into becomes larger transformer, and overall current is multiplied, and can improve the monitoring sensitivity of magnetic field monitoring device to greatest extent.
Description
Technical field
A kind of transformer fault monitoring method of patent of the present invention belongs to transformer fault monitoring field.
Background technology
Power transformer is one of electrical equipment important in electric system, it can be transformed into a kind of voltage of grade
The voltage of another grade；The power grid of different voltages can be bound up using it, forms complicated power grid；People open
The research and application for the concern Transformer's Condition Monitoring that begins；Power transformer is the core equipment of electric power networks, the health of transformer
Situation and life cycle are extremely crucial to power grid security reliability service；In the operation of the transformer, effectively to transformer into
Row fault diagnosis accurately judges the operating status of transformer and the development trend of failure, is conducive to producers and scientifically pacifies
The production schedule is arranged, the generation of accident is reduced；Transformer is during longtime running, due to voltage, heat, chemistry, mechanical oscillation
And the influence of other factors, there is the phenomenon that insulation ag(e)ing, Material degradation, and external destruction and influence etc., inevitably draws
Send out transformer fault accident；Meanwhile there may be some quality problems during design and manufacture for transformer, and pacifying
It may also be damaged during dress, thus will cause some Hidden faults.
In recent years, there are mainly four types of power supply modes for the power supply of for transformer monitoring device：Storage battery power supply is matched existing
Use accumulator to power for sensor between electricity, the disadvantage is that replacing inconvenient and cannot be guaranteed duration more；Photovoltaic-accumulator supplies
Electricity, although photo-voltaic power supply mature, it cannot be operated in no sunlight even insufficient place of sunlight strength, such as distribution
Between, buried cable, and photovoltaic battery panel easily accumulates dust, and it is inconvenient to safeguard, installation is inconvenient；Laser powered sensor, laser power supply transmission
Power it is smaller, short life is expensive, cannot meet the energy supply demand of the various monitoring devices of power circuit；In transformer
In malfunction monitoring and power supply system, there are no people to consider from magnetic field angle, is carried out using high-power transformer itself stray field
Monitoring to transformer fault.
Invention content
In view of the above-mentioned problems, patent of the present invention discloses transformer fault monitoring device, power supply device, monitoring device
And warning device, it works in coordination, transformer itself stray field can be utilized to power for monitoring device, while monitoring stray transformer flux
Field variation accomplishes that early warning is timely before failure generation.
What the purpose of patent of the present invention was realized in：
Transformer fault monitoring device, including power supply device, magnetic field monitoring device and warning device；
The power supply device provides electric energy for the warning device, at the same in the magnetic field monitoring device electric current increase,
Start the warning device；
The power supply device includes being collected for electric installation, and conversion circuit starts for electric installation and indicator light；It is described to be collected for
Electric installation connects the startup for electric installation and indicator light, while the startup is institute for electric installation by the conversion circuit
State warning device power supply；
The conversion circuit includes protection circuit, rectification circuit, filter circuit and constant voltage DC device M；
It includes adjustable resistance R1, bilateral diode D1 and D2 to protect circuit；After the bilateral diode D1 and D2 differential concatenations and
The adjustable resistance R1 is in parallel, while electric installation is collected for described in parallel connection；The rectification circuit includes four rectifier diodes
After VD1, VD2, VD3 and VD4, the VD1 and VD2 series connection, VD3 and the VD4 series connection VD1 and VD2 series connection simultaneously described in parallel connection
VD3 and VD4；The electric installation bottom end that is collected for connects the VD3 cathode, and the electric installation head end that is collected for connects the VD1
Cathode；The filter circuit includes capacitance C1, resistance R2, resistance R3, capacitance C2, capacitance C3, inductance L1, capacitance C4, capacitance C5,
Resistance R4, resistance R5 and capacitance C6；The resistance R3 and resistance R4 the capacitance C1 in parallel, the capacitance C2 and capacitance after connecting
The capacitance C1 in parallel after C3 series connection, while the upper ends the capacitance C1 connect the L1 left ends, the lower ends capacitance C1 ground connection；Institute
It is in parallel to state the capacitance C4 and resistance R4, the capacitance C5 and the resistance R5 are in parallel；The capacitance C4 and the resistance R4 are simultaneously
The connection series connection capacitance C5 and resistance R5, while the inductance L1 right ends connect the capacitance C4 and the upper ends resistance R5, institute
Capacitance C5 and the lower ends resistance R5 ground connection are stated, the upper ends the capacitance C6 connect the inductance L1 right ends, the connection of the lower ends the capacitance C6
Ground；The capacitance C6 is connected in parallel the constant voltage DC device simultaneously；The constant voltage DC device is directly that the startup is powered
Device provides direct current.
Above-mentioned transformer fault monitoring device, the electric installation that is collected for includes that two power supply collectors and power supply acquire
Adjust controller；Described two power supply collectors are distributed in the power supply acquisition adjustment controller both sides；
The power supply collector includes coil controllers a, coil controllers b, coil controllers c, coil controllers d, shines two
Grade pipe a, light emitting diode b, light emitting diode c, light emitting diode d, light emitting diode e, light emitting diode f, light emitting diode
G, light emitting diode h, light emitting diode i, light emitting diode j, light emitting diode k, light emitting diode l and power supply collector installation
Disk；
The coil controllers a, coil controllers b, coil controllers c and coil controllers d, which are connected in parallel, to be arranged in the confession
In electric collector mounting disc；
The Light-Emitting Diode a anodes connect the coil controllers a, and cathode connects the coil controllers b；Described luminous two
Grade pipe b anodes connect the coil controllers b, and cathode connects the coil controllers a；The Light-Emitting Diode c anodes connection
The coil controllers b, cathode connect the coil controllers c；The Light-Emitting Diode d anodes connect the coil controllers
C, cathode connect the coil controllers b；The Light-Emitting Diode e anodes connect the coil controllers c, described in cathode connection
Coil controllers d；The Light-Emitting Diode f anodes connect the coil controllers d, and cathode connects the coil controllers c；Institute
It states Light-Emitting Diode g anodes and connects the coil controllers a, cathode connects the coil controllers d；The Light-Emitting Diode h
Anode connects the coil controllers d, and cathode connects the coil controllers a；The Light-Emitting Diode i anodes connect the line
Controller a is enclosed, cathode connects the coil controllers c；The Light-Emitting Diode j anodes connect the coil controllers c, cathode
Connect the coil controllers a；The Light-Emitting Diode k anodes connect the coil controllers b, and cathode connects the coil control
Device d processed；The Light-Emitting Diode l anodes connect the coil controllers d, and cathode connects the coil controllers b；
The Light-Emitting Diode a, light emitting diode b, light emitting diode c, light emitting diode d, light emitting diode e, light-emitting diodes
Pipe f, light emitting diode g, light emitting diode h, light emitting diode i, light emitting diode j, light emitting diode k and light emitting diode l
The bright power supply acquisition adjustment controller that secretly controls start and close, the power supply acquisition adjustment controller, which starts and closes, to be controlled
Make the coil controllers a, the variation of coil controllers b, coil controllers c and the positions coil controllers d.
Above-mentioned transformer fault monitoring device, the magnetic field monitoring device include magnetic field monitoring device current collector,
Current converter and magnetic field monitoring device pre-alarm device；The magnetic field monitoring device current collector passes through the current converter
The magnetic field monitoring device pre-alarm device is connected, while the magnetic field monitoring device pre-alarm device connects the warning device；Institute
It includes fixed coil a, fixed coil b, fixed coil c, fixed coil d, fixed coil to state magnetic field monitoring device current collector
E, fixed coil f and mounting disc；
The fixed coil e, fixed coil f and mounting disc are disposed in parallel in below the fixed coil c and fixed coil d, institute
Fixed coil c and fixed coil d is stated to be disposed in parallel in below the fixed coil a；The fixed coil a, fixed coil b, Gu
Alignment circle c, fixed coil d, fixed coil e and fixed coil f are arranged by Triangle-Profile in the mounting disc.
It is collected for electric installation application method in above-mentioned transformer fault monitoring device, is included the following steps：
The Denso that is collected for is seated at high-power transformer enclosure location by step a, while by the power supply collector
It is placed on the oil tank of transformer both sides；
Step b connects described two power supply collectors and power supply acquisition adjustment controller；
Step c, according to the Light-Emitting Diode a, light emitting diode b, light emitting diode c, light emitting diode d, light emitting diode
E, light emitting diode f, light emitting diode g, light emitting diode h, light emitting diode i, light emitting diode j, light emitting diode k, hair
Optical diode l luminances trigger the power supply acquisition adjustment controller action；The power supply acquisition adjustment controller action,
The coil controllers a, coil controllers b, coil controllers c and coil controllers d is adjusted to install in the power supply collector
Position on disk；
The Light-Emitting Diode a shines, and judges that electric current is big at coil controllers a, and it is dynamic to trigger the power supply acquisition adjustment controller
Make, the power supply acquisition adjustment controller action adjusts the coil controllers b and moved close to the positions coil controllers a, successively
Analogize；
Step d, described two power supply collector coil controller a, coil controllers b, coil controllers c and coil controllers
D stops movement, while the Light-Emitting Diode a, light emitting diode b, light emitting diode c, light emitting diode d, light emitting diode
E, light emitting diode f, light emitting diode g, light emitting diode h, light emitting diode i, light emitting diode j, light emitting diode k and hair
Optical diode l stops shining, and finds coil controllers optimal distribution position at this time；
Step e disconnects the Light-Emitting Diode a, light emitting diode b, light emitting diode c, light emitting diode d, light emitting diode
E, light emitting diode f, light emitting diode g, light emitting diode h, light emitting diode i, light emitting diode j, light emitting diode k, hair
Optical diode l and the coil controllers a, coil controllers b, coil controllers c are connected with coil controllers d.
Monitoring device current collector parameter determination method in magnetic field in above-mentioned transformer fault monitoring device, including it is following
Step：
Step a, according to fixed coil a, fixed coil b, fixed coil c, fixed coil d, fixed coil e and fixed coil f half
Diameter is r1；
The fixed coil c and the centers of circle fixed coil d horizontal symmetrical are arranged at left and right sides of the mounting disc center of circle；The fixation
Mounting disc circle center distance described in coil c and fixed coil d distance of center circle is 2r1；The fixed coil b and fixed coil f is perpendicular
It is straight that both sides are set above and below the mounting disc center of circle；Mounting disc circle center distance described in the fixed coil f distance of center circle is 4r1；Institute
Fixed coil a and the setting of fixed coil c horizontal symmetricals are stated in the both sides the fixed coil b, described in the fixed coil a distance of center circle
Fixed coil b circle center distances are 4r1；
Determine that the mounting disc radius isr1+r1；
Step b is according to the mounting disc radiusR1+r1 determines the mounting disc center of circle described in the fixed coil f distance of center circle
Vertical distance isr1。
Above-mentioned transformer fault monitoring device application method, includes the following steps：
Step a, connect it is described be collected for electric installation, conversion circuit starts for electric installation and indicator light；The collection is powered
Device is placed at high-power transformer enclosure location, while the power supply collector is placed on the oil tank of transformer two
Side；
Step b finds coil controllers optimal distribution position, by the power supply device and the monitoring device, report
Alarm device connects；The electric installation that is collected for connects the startup for electric installation and indicator light, simultaneously by the conversion circuit
Described start is powered for electric installation for the warning device；
Step c, when transformer breaks down, magnetic field monitoring device current collector electric current becomes larger in the magnetic field monitoring device,
The electric current of variation starts the warning device alarm by current converter and magnetic field monitoring device pre-alarm device.
Advantageous effect：
It is collected for electric installation and the startup is connected for electric installation and indicator light by the conversion circuit；The conversion circuit includes
Protect circuit, rectification circuit, filter circuit and constant voltage DC device；The protection circuit can generate event being collected for electric installation
In the case of barrier, to the protection that rectification circuit is enough, electricity of the instantaneous overvoltage clamper in safety of electric installation generation will be collected for
It presses in range；The rectification circuit, filter circuit and constant voltage DC assembly are closed, and filtering circuit AC compounent will be collected for Denso
The AC conversion of collection is set into direct current, the direct current ensured is not floated with electric installation collected current size is collected for
It is dynamic.
Description of the drawings
Fig. 1 is transformer fault monitoring device overall schematic of the present invention.
Fig. 2 is power supply device schematic diagram in transformer fault monitoring device of the present invention.
Fig. 3 is to be collected for electric installation schematic diagram in transformer fault monitoring device of the present invention.
Fig. 4 is that magnetic field monitoring device is intended in transformer fault monitoring device of the present invention.
Fig. 5 is to convert circuit diagram in transformer fault monitoring device of the present invention.
Fig. 6 is power supply collector schematic diagram in transformer fault monitoring device of the present invention.
Fig. 7 is power supply collector schematic diagram in transformer fault monitoring device of the present invention.
Fig. 8 is monitoring device current collector schematic diagram in magnetic field in transformer fault monitoring device of the present invention.
In figure：1- power supply devices, the magnetic fields 2- monitoring device, 3- warning devices；11- is collected for electric installation, 12- conversions
Circuit, 13- AC powers, 14- indicator lights, 111- power supply collectors, 112- power supply acquisition adjustment controllers, 1111- coil controls
Device a processed, 1112- coil controllers b, 1113- coil controllers c, 1114- coil controllers d, 1115- Light-Emitting Diode a,
1116- Light-Emitting Diodes b, 1117- Light-Emitting Diode c, 1118- Light-Emitting Diode d, 1119- Light-Emitting Diode e, 1120- are luminous
Diode f, 1121- Light-Emitting Diode g, 1122- Light-Emitting Diode h, 1123- Light-Emitting Diode i, 1124- Light-Emitting Diode j,
1125- Light-Emitting Diodes k, 1126- Light-Emitting Diode l, 1127- Light-Emitting Diode, 1127- power supply collector mounting discs, 21- magnetic
Field monitoring device current collector, 22- current converters, the magnetic fields 23- monitoring device pre-alarm device, 211- fixed coils a, 212-
Fixed coil b, 213- fixed coil c, 214- fixed coil d, 215- fixed coil e, 216- fixed coil f, 217- mounting disc.
Specific implementation mode
Patent specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment one
The present embodiment is the specific embodiment of transformer fault monitoring device of the present invention.
Transformer fault monitoring device, including power supply device 1, magnetic field monitoring device 2 and warning device 3；
The power supply device 1 is that the warning device 3 provides electric energy, at the same in the magnetic field monitoring device 2 electric current increasing
Add, starts the warning device 3；
As shown in Fig. 2, the power supply device 1 includes being collected for electric installation 11, conversion circuit 12 starts for 13 He of electric installation
Indicator light 14；The electric installation 11 that is collected for connects the startup for electric installation 13 and indicator light by the conversion circuit 12
14, while described start is powered for electric installation 13 for the warning device 3；
As shown in figure 5, the conversion circuit 12 includes protecting circuit, rectification circuit, filter circuit and constant voltage DC device M；
It includes adjustable resistance R1, bilateral diode D1 and D2 to protect circuit；After the bilateral diode D1 and D2 differential concatenations and
The adjustable resistance R1 is in parallel, while electric installation 11 is collected for described in parallel connection；The rectification circuit includes four rectifier diodes
After VD1, VD2, VD3 and VD4, the VD1 and VD2 series connection, VD3 and the VD4 series connection VD1 and VD2 series connection simultaneously described in parallel connection
VD3 and VD4；11 bottom end of electric installation that is collected for connects the VD3 cathode, described to be collected for described in the connection of 11 head end of electric installation
VD1 cathode；The filter circuit includes capacitance C1, resistance R2, resistance R3, capacitance C2, capacitance C3, inductance L1, capacitance C4, capacitance
C5, resistance R4, resistance R5 and capacitance C6；The capacitance C1 in parallel after the resistance R3 and resistance R4 series connection, the capacitance C2 and
The capacitance C1 in parallel after capacitance C3 series connection, while the upper ends the capacitance C1 connect the L1 left ends, are terminated under the capacitance C1
Ground；The capacitance C4 and resistance R4 is in parallel, and the capacitance C5 and the resistance R5 are in parallel；The capacitance C4 and the resistance
The R4 parallel connections series connection capacitance C5 and resistance R5, while the inductance L1 right ends connect on the capacitance C4 and resistance R5
End, the capacitance C5 and the lower ends resistance R5 ground connection, the upper ends the capacitance C6 connect the inductance L1 right ends, the lower ends the capacitance C6
Connection ground；The capacitance C6 is connected in parallel the constant voltage DC device simultaneously；The constant voltage DC device is directly the startup
Direct current is provided for electric installation 13.
Specific embodiment two
The present embodiment is the specific embodiment of transformer fault monitoring device of the present invention.
As shown in figure 3, the transformer fault monitoring device, the electric installation 11 that is collected for includes that two power supplies acquire
Device 111 and power supply acquisition adjustment controller 112；Described two power supply collectors 111 are distributed in the power supply acquisition adjustment control
112 both sides of device；
The power supply collector 111 includes coil controllers a1111, coil controllers b1112, coil controllers c1113, coil
Controller d1114, Light-Emitting Diode a1115, light emitting diode b1116, light emitting diode c1117, light emitting diode d1118,
Light emitting diode e1119, light emitting diode f1120, light emitting diode g1121, light emitting diode h1122, light emitting diode
I1123, light emitting diode g1124, light emitting diode k1125, light emitting diode l1126 and power supply collector mounting disc 1127；
The coil controllers a1111, coil controllers b1112, coil controllers c1113 and coil controllers d1114 are in parallel
Connection is arranged in the power supply collector mounting disc 1127；
As shown in Figure 6 and Figure 7, the Light-Emitting Diode a1115 anodes connect the coil controllers a1111, and cathode connects institute
State coil controllers b1112；The Light-Emitting Diode b1116 anodes connect the coil controllers b1112, described in cathode connection
Coil controllers a1111；The Light-Emitting Diode c1117 anodes connect the coil controllers b1112, and cathode connects the line
Enclose controller c1113；The Light-Emitting Diode d1118 anodes connect the coil controllers c1113, and cathode connects the coil
Controller b1112；The Light-Emitting Diode e1119 anodes connect the coil controllers c1113, and cathode connects the coil control
Device d1114 processed；The Light-Emitting Diode f1120 anodes connect the coil controllers d1114, and cathode connects the coil control
Device c1113；The Light-Emitting Diode g1121 anodes connect the coil controllers a1111, and cathode connects the coil controllers
d1114；The Light-Emitting Diode h1122 anodes connect the coil controllers d1114, and cathode connects the coil controllers
a1111；The Light-Emitting Diode i1123 anodes connect the coil controllers a1111, and cathode connects the coil controllers
c1113；The Light-Emitting Diode g1124 anodes connect the coil controllers c1113, and cathode connects the coil controllers
a1111；The Light-Emitting Diode k1125 anodes connect the coil controllers b1112, and cathode connects the coil controllers
d1114；The Light-Emitting Diode l1126 anodes connect the coil controllers d1114, and cathode connects the coil controllers
b1112；
The Light-Emitting Diode a1115, light emitting diode b1116, light emitting diode c1117, light emitting diode d1118 shine
Diode e1119, light emitting diode f1120, light emitting diode g1121, light emitting diode h1122, light emitting diode i1123,
The bright of light emitting diode g1124, light emitting diode k1125 and light emitting diode l1126 secretly controls the power supply acquisition adjustment control
Device 112 processed starts and closes, coil controllers a1111 described in power supply acquisition adjustment controller 112 startup and closing control,
The variation of the position coil controllers b1112, coil controllers c1113 and coil controllers d1114.
In the present embodiment, the electric installation 11 that is collected for includes two power supply collectors 111 and power supply acquisition adjustment control
Device 112 is used cooperatively, and the coil controllers can utilize transformer itself stray field, and the magnetic field of variation is converted into needs
Electric current；Coil controllers and Light-Emitting Diode can find transformer under the adjusting that power supply acquires adjustment controller 112 simultaneously
Magnetic fluxleakage distribution optimum position is current maxima to ensure to be collected for 11 collected current of electric installation.
This set makes full use of Magnetic Leakage Field of Transformer, and it is difficult to solve the power supply of high-power transformer monitoring device
Problem is in the past to use directly to directly lead out power supply from monitoring interior to the power supply of fault monitoring device；High-power transformer is supervised
For measurement equipment, farther out, external power supply is inconvenient for distance monitoring room, is adjusted using two power supply collectors 111 and power supply acquisition
Whole controller 112 is used cooperatively, and is greatly saved cost.
Specific embodiment three
The present embodiment is the specific embodiment of transformer fault monitoring device of the present invention.
As shown in figure 4, the transformer fault monitoring device, the magnetic field monitoring device 2 includes magnetic field monitoring device
Current collector 21, current converter 22 and magnetic field monitoring device pre-alarm device 23；The magnetic field monitoring device current collector
21 connect the magnetic field monitoring device pre-alarm device 23 by the current converter 22, while the magnetic field monitoring device is forecast
Alert device 23 connects the warning device 3；The magnetic field monitoring device current collector 21 includes fixed coil a211, fixed coil
B212, fixed coil c213, fixed coil d214, fixed coil e215, fixed coil f216 and mounting disc 217；
As shown in figure 8, the fixed coil e215, fixed coil f216 and mounting disc 217 are disposed in parallel in the fixed coil
Below c213 and fixed coil d214, the fixed coil c213 and fixed coil d214 are disposed in parallel in the fixed coil
Below a211；The fixed coil a211, fixed coil b212, fixed coil c213, fixed coil d214, fixed coil e215
It is arranged in the mounting disc 217 by Triangle-Profile with fixed coil f216.
The fixed coil a211, fixed coil b212, fixed coil c213 simultaneously, fixed coil d214, fixed coil
E215, fixed coil f216 are connected in series.
In the present embodiment, fixed coil e215 described in the magnetic field monitoring device 2, fixed coil f216 and mounting disc
217 are disposed in parallel in below the fixed coil c213 and fixed coil d214, the fixed coil c213 and fixed coil
D214 is disposed in parallel in below the fixed coil a211；The fixed coil a211, fixed coil b212, fixed coil
C213, fixed coil d214, fixed coil e215 and fixed coil f216 are arranged by Triangle-Profile in the mounting disc 217
On；This arrangement mode of fixed coil can ensure, stray transformer flux at this position is monitored without dead angle in the mounting disc 217
Field variation；The fixed coil a211, fixed coil b212, fixed coil c213 simultaneously, fixed coil d214, fixed coil
E215, fixed coil f216 are connected in series；Being cascaded can ensure, transformer is when breaking down, each line
It encloses the electric current being collected into become larger, overall current is multiplied, and can improve the sensitive monitoring of magnetic field monitoring device 2 to greatest extent
Degree.
Previous transformer fault monitoring, is all that transformer is out of service, takes out the insulating oil in transformer, carry out physics
It chemically and electrically analyzes, to show whether transformer can be continuing with；This monitoring method is time-consuming and laborious, while being also pair
The significant wastage of resource；In the present embodiment, the variation in each coil monitoring transformer magnetic field, can timely detect electric power
Influence of the failures such as system single-phase earthing to transformer makes timely early warning, greatly facilitates the use of transformer equipment in power grid.
Specific embodiment four
The present embodiment is the specific embodiment that electric installation application method is collected in transformer fault monitoring device of the present invention.
It is collected for electric installation application method in the transformer fault monitoring device, is included the following steps：
The electric installation 11 that is collected for is placed at high-power transformer enclosure location by step a, while the power supply being acquired
Device 111 is placed on the oil tank of transformer both sides；
Step b connects described two power supply collectors 111 and power supply acquisition adjustment controller 112；
Step c, according to the Light-Emitting Diode a1115, light emitting diode b1116, light emitting diode c1117, light emitting diode
D1118, light emitting diode e1119, light emitting diode f1120, light emitting diode g1121, light emitting diode h1122, luminous two
Pole pipe i1123, light emitting diode g1124, light emitting diode k1125, light emitting diode l1126 luminances trigger the confession
Electricity acquisition adjustment controller 112 acts；The power supply acquisition adjustment controller 112 acts, and adjusts the coil controllers
A1111, coil controllers b1112, coil controllers c1113 and coil controllers d1114 are in the power supply collector mounting disc
Position on 1127；
The Light-Emitting Diode a1115 shines, and judges that electric current is big at coil controllers a1111, triggers the power supply acquisition adjustment
Controller 112 acts, and the power supply acquisition adjustment action of controller 112 adjusts the coil controllers b1112 close to coil control
The positions device a1111 processed are moved, and so on；
Step d, described two power supply collectors 111 coil controller a1111, coil controllers b1112, coil controllers
C1113 and coil controllers d1114 stops moving, while the Light-Emitting Diode a1115, light emitting diode b1116, and luminous two
Pole pipe c1117, light emitting diode d1118, light emitting diode e1119, light emitting diode f1120, light emitting diode g1121, hair
Optical diode h1122, light emitting diode i1123, light emitting diode g1124, light emitting diode k1125 and light emitting diode
L1126 stops shining, and finds coil controllers optimal distribution position at this time；
Step e disconnects the Light-Emitting Diode a1115, light emitting diode b1116, light emitting diode c1117, light emitting diode
D1118, light emitting diode e1119, light emitting diode f1120, light emitting diode g1121, light emitting diode h1122, luminous two
Pole pipe i1123, light emitting diode g1124, light emitting diode k1125, light emitting diode l1126 and the coil controllers
A1111, coil controllers b1112, coil controllers c1113 are connected with coil controllers d1114.
Specific embodiment five
The present embodiment is monitoring device current collector parameter determination method in magnetic field in transformer fault monitoring device of the present invention
Specific embodiment.
Monitoring device current collector parameter determination method in magnetic field in the transformer fault monitoring device, including it is following
Step：
Step a, according to fixed coil a211, fixed coil b212, fixed coil c213, fixed coil d214, fixed coil
E215 and fixed coil f216 radiuses are r1；
The fixed coil c213 and the centers of circle fixed coil d214 horizontal symmetrical are arranged in 217 center of circle of the mounting disc or so two
Side；217 circle center distance of mounting disc described in the fixed coil c213 and fixed coil d214 distance of center circle is 2r1；The fixing line
The circle b212 and fixed coil f216 is vertically arranged in 217 center of circle of mounting disc both sides up and down；The fixed coil f216
217 circle center distance of mounting disc described in distance of center circle is 4r1；The fixed coil a211 and the setting of fixed coil c213 horizontal symmetricals exist
The both sides the fixed coil b212, fixed coil b212 circle center distances described in the fixed coil a211 distance of center circle are 4r1；
Determine that 217 radius of the mounting disc isr1+r1；
Step b is according to 217 radius of the mounting discR1+r1 is determined and is installed described in the fixed coil f216 distance of center circle
217 center of circle vertical distance of disk isr1。
Specific embodiment six
The present embodiment is the specific embodiment of transformer fault monitoring device application method of the present invention.
The transformer fault monitoring device application method, includes the following steps：
Step a, connect it is described be collected for electric installation 11, conversion circuit 12 starts for electric installation 13 and indicator light 14；It will be described
It is collected for electric installation 11 to be placed at high-power transformer enclosure location, while the power supply collector 111 being placed on described
Oil tank of transformer both sides；
Step b finds coil controllers optimal distribution position, by the power supply device 1 and the monitoring device 2,
Warning device 3 connects；The electric installation 11 that is collected for is connected the startup for electric installation 13 and is referred to by the conversion circuit 12
Show lamp 14, while described start is powered for electric installation 13 for the warning device 3；
Step c, when transformer breaks down, monitoring device current collector 21 electric current in magnetic field becomes in the magnetic field monitoring device 2
Greatly, the electric current of variation starts the alarm of the warning device 3 by current converter 22 and magnetic field monitoring device pre-alarm device 23.
It should be noted that in the embodiment above, as long as reconcilable technical solution can carry out permutation and combination, this
Field technology personnel can be possible to according to the mathematical knowledge limit of permutation and combination, and therefore, the present invention is no longer to permutation and combination
Technical solution afterwards is illustrated one by one, but it is understood that presently disclosed for the technical solution after permutation and combination.
Claims (2)
1. a kind of transformer fault monitoring method, is, includes the following steps：
Step a is connected and described is collected for electric installation（11）, conversion circuit（12）, start for electric installation（13）And indicator light
（14）；It is collected for electric installation by described（11）It is placed at the high-power transformer enclosure location, while by the power supply collector
（111）It is placed on the oil tank of transformer both sides；
Step b finds coil controllers optimal distribution position, by the power supply device（1）With the monitoring device
（2）, warning device（3）Connection；It is described to be collected for electric installation（11）Pass through the conversion circuit（12）, connect the startup power supply
Device（13）And indicator light（14）, while the startup is for electric installation（13）For the warning device（3）Power supply；
Step c, when transformer breaks down, the magnetic field monitoring device（2）Middle magnetic field monitoring device current collector（21）Electricity
Rheology is big, and the electric current of variation passes through current converter（22）With magnetic field monitoring device pre-alarm device（23）, start the alarm dress
It sets（3）Alarm.
2. a kind of transformer fault monitoring method according to claim 1, is, it is applied to transformer fault monitoring dress
It sets, the transformer fault monitoring device includes power supply device（1）, magnetic field monitoring device（2）And warning device（3）；
The power supply device（1）For the warning device（3）Electric energy, while the magnetic field monitoring device are provided（2）Middle electricity
The increase of stream starts the warning device（3）；
The power supply device（1）Including being collected for electric installation（11）, conversion circuit（12）, start for electric installation（13）And finger
Show lamp（14）；It is described to be collected for electric installation（11）Pass through the conversion circuit（12）, the startup is connected for electric installation（13）With
Indicator light（14）, while the startup is for electric installation（13）For the warning device（3）Power supply；
The conversion circuit（12）Including protecting circuit, rectification circuit, filter circuit and constant voltage DC device M；
It includes adjustable resistance R1, bilateral diode D1 and D2 to protect circuit；After the bilateral diode D1 and D2 differential concatenations and
The adjustable resistance R1 is in parallel, while electric installation is collected for described in parallel connection（11）；The rectification circuit includes four two poles of rectification
Pipe VD1, VD2, VD3 and VD4, institute in parallel after the VD1 and VD2 series connection, VD3 and VD4 series connection while the VD1 and VD2 connect
State VD3 and VD4；It is described to be collected for electric installation（11）Bottom end connects the VD3 cathode, described to be collected for electric installation（11）Head end connects
Connect the VD1 cathode；The filter circuit includes capacitance C1, resistance R2, resistance R3, capacitance C2, capacitance C3, inductance L1, capacitance
C4, capacitance C5, resistance R4, resistance R5 and capacitance C6；The resistance R3 and resistance R4 the capacitance C1 in parallel, electricity after connecting
Hold the capacitance C1 in parallel after C2 and capacitance C3 connects, while the upper ends the capacitance C1 connect the L1 left ends, the capacitance C1
Lower end is grounded；The capacitance C4 and resistance R4 is in parallel, and the capacitance C5 and the resistance R5 are in parallel；The capacitance C4 and institute
The resistance R4 parallel connections series connection capacitance C5 and resistance R5 is stated, while the inductance L1 right ends connect the capacitance C4 and resistance
The upper ends R5, the capacitance C5 and the lower ends resistance R5 ground connection, the upper ends the capacitance C6 connect the inductance L1 right ends, the capacitance C6
Lower end connection ground；The capacitance C6 is connected in parallel the constant voltage DC device simultaneously；The constant voltage DC device is directly described
Start for electric installation（13）Direct current is provided.
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| CN113791366A (en) * | 2021-09-15 | 2021-12-14 | 华北电力大学 | Transformer fault online detection system and method based on magnetic flux leakage |
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Effective date of registration: 20210118 Address after: 226600 198 Jianghai West Road, Hai'an town, Hai'an City, Nantong City, Jiangsu Province Applicant after: Nantong Dazheng Electric Co.,Ltd. Address before: 750306 42 Heshuote Road, BAYANHOT Town, Alxa Left Banner, Alxa League, Inner Mongolia Autonomous Region Applicant before: Guo Xiaohong |
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