CN114690004A - Online analysis system for electric power partial discharge data - Google Patents
Online analysis system for electric power partial discharge data Download PDFInfo
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- CN114690004A CN114690004A CN202210406549.5A CN202210406549A CN114690004A CN 114690004 A CN114690004 A CN 114690004A CN 202210406549 A CN202210406549 A CN 202210406549A CN 114690004 A CN114690004 A CN 114690004A
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an on-line analysis system for electric power partial discharge data, which adopts the technical scheme that the on-line analysis system comprises a cabinet body, wherein a plurality of equipment cavities are arranged in the cabinet body, a partial discharge monitor, a photoelectric sensor and a gas-sensitive sensor are also arranged in the cabinet body, the photoelectric sensor is used for monitoring whether partial discharge occurs, the gas-sensitive sensor is used for detecting whether protective gas leakage occurs, a sensor control device and a gas curtain device are also arranged in the cabinet body, the sensor control device is used for controlling the monitoring state of the photoelectric sensor and controlling the equipment cavities to be separated, the gas curtain device is used for controlling a sealed gas curtain to cover a gas tank when protective gas leakage occurs, so that the protective gas is not easy to leak into the equipment cavities, and the monitoring system is arranged in the partial discharge monitor and used for carrying out on-line analysis processing. The invention can detect and analyze the partial discharge in the cabinet body on line, thereby controlling the running state of the equipment in the cabinet body and improving the use safety of the cabinet body.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to an online analysis system for power partial discharge data.
Background
The ring main unit is a group of transmission and distribution electrical equipment, mainly high-voltage switch control equipment, generally an electrical equipment for a ring network power supply unit is installed in a metal cabinet body or a non-metal cabinet body at intervals, and a load switch and a fuse are adopted in the core part of the electrical equipment, so that the advantages of power supply parameters, performance, power supply safety and the like can be improved. The method is widely applied to distribution stations and box-type substations of load centers such as large-scale public buildings, factories and enterprises.
At present, the looped netowrk cabinet generally is the closed cabinet body, can form a plurality of work cavities at the internal cabinet, for improving the operation security during the internal equipment operation of cabinet, can be at the internal protective gas that sets up of cabinet, present protective gas mostly chooses for use to be sulfur hexafluoride, sulfur hexafluoride protective gas generally can set up in the avris cavity of the cabinet body, protective gas plays the operation security of the internal equipment of protective cabinet, but because the looped netowrk cabinet belongs to the high-voltage control setting, the operation requirement to the internal equipment of cabinet is comparatively strict, when the tiny trouble appears, because it is that high-voltage environment leads to the internal partial discharge that can appear in the cabinet, probably threaten holistic operation when the partial discharge produces, can appear great incident when serious.
When the ring main unit is actually operated, the ring main unit needs to be periodically overhauled by equipment maintenance personnel, the existing overhauling mode has a real-time monitoring mode, but the real-time monitoring mode generally comprises the steps of arranging a sensor in the main unit body in an ultrasonic mode, an earth wave mode or other modes, monitoring whether partial discharge occurs in the main unit body through the sensor, giving an alarm when the partial discharge occurs, even if power failure occurs, informing the maintenance personnel to overhaul, but the ring main unit cannot easily carry out power failure overhauling, and because the sensor needs to carry out subsequent normal monitoring when a signal to be detected disappears or artificially recovers when the signal is detected, the existing mode generally needs the maintenance personnel to artificially recover, but when the equipment has partial discharge, the normal operation of the equipment is not influenced, the mode of still carrying out alarm maintenance can even lead the start and stop of the ring main unit in operation to cause that the internal equipment is damaged, the use safety and the service life of the equipment are reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an online analysis system for power partial discharge data, which is used for detecting, online analyzing and controlling the partial discharge in a cabinet body, so that the running state of equipment in the cabinet body is controlled, and the use safety of the cabinet body is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
an online analysis system for power partial discharge data, comprising:
the cabinet body is internally provided with a plurality of equipment cavities, adjacent equipment cavities are separated by partition plates, and the partition plates are provided with wire holes for wiring;
the partial discharge monitor is arranged in the cabinet body;
the photoelectric sensors are arranged in the cabinet body and are electrically connected with the partial discharge monitor, the photoelectric sensors are respectively used for detecting whether electric sparks and/or electric arcs occur in the equipment cavity, and when the electric sparks and/or the electric arcs occur, the photoelectric sensors generate electric spark signals;
the gas sensor is arranged in the detection cavity, and responds to and generates a gas leakage signal when protective gas appears outside the protective gas device;
the sensor control device comprises an index plate, a sub-control mechanism and a partition mechanism, wherein response contacts corresponding to a plurality of photoelectric sensors in number are arranged on the index plate, the response contacts are respectively electrically connected with the corresponding photoelectric sensors, the photoelectric sensors send spark signals to a partial discharge monitor, the partial discharge monitor controls response contacts correspondingly generating the spark signals to respond and changes the state of the response contacts into a response state, when the response contacts are in the response state, the partial control mechanism is used for changing the response contacts to reset to the monitoring state, when the response contacts are in the monitoring state, the partial control mechanism is used for restoring the monitoring corresponding to the photoelectric sensors, and the partition mechanism is used for partitioning adjacent equipment cavities;
the air curtain device is connected with the protective air device and comprises a sealing air curtain and a curtain distributing mechanism, the protective air device comprises an air seat and an air tank, the air seat is connected with the cabinet body, an air cavity for installing the air tank is formed in the air seat, the air seat is respectively provided with a first butt joint assembly and a second butt joint assembly along two ends of the air tank, one end of the sealing air curtain is connected with the protective air device, the other end of the sealing air curtain is connected with the curtain distributing mechanism, when the curtain distributing mechanism is connected with the first butt joint assembly positioned at the head end of the air tank, the sealing air curtain is in a folding state, and when the curtain distributing mechanism is connected with the second butt joint assembly positioned at the tail end of the air tank, the sealing air curtain covers the air tank and seals the air tank;
a monitoring system is arranged in the partial discharge monitor and comprises a spark processing module, a gas processing module and a response module, wherein when the gas sensor generates a gas leakage signal, the gas sensor sends the gas leakage signal to the gas processing module, the gas control module is used for controlling the response of the curtain arrangement mechanism so as to connect the sealing mechanism with the gas holder, and the sealing gas curtain seals the gas tank;
the spark processing module is internally provided with a detection strategy, the detection strategy comprises the steps of calling a spark signal generated by a photoelectric sensor, generating partial discharge data and sending the partial discharge data to the response module, the response module is internally provided with a response strategy, the response strategy comprises the steps of calling the partial discharge data and generating a sub-control instruction through an air leakage signal, and the sub-control instruction is used for controlling the sub-control mechanism to control the response contact and/or control the partition mechanism to partition the equipment cavity.
As a further improvement of the invention, the index plate is provided with contact slots for mounting a plurality of response contacts respectively, an electromagnetic component is arranged in each contact slot, each electromagnetic component comprises an electromagnet and a contact elastic piece, each electromagnet is used for providing magnetic force to control the response contacts to be adsorbed and repelled with each electromagnet, and each contact elastic piece is connected with each response contact and each electromagnet;
when the photoelectric sensor does not generate a spark signal, the electromagnetic assembly provides magnetic force to adsorb the response contact, the contact elastic piece is in a compression deformation force storage state, and the response contact is in a monitoring state;
when the photoelectric sensor generates a spark signal, the electromagnetic assembly provides magnetic force to repel the response contact, the contact elastic piece releases elastic force and restores to an original long state, and at the moment, the response contact is in a response state.
As a further improvement of the present invention, the sub-control mechanism includes a driving motor, a toggle member, a transmission assembly and a control assembly, a motor base is disposed on the cabinet body, the driving motor is disposed in the motor base, the transmission assembly connects the toggle member with the driving motor, a through hole is disposed in the index plate, one end of the toggle member, which is far away from the driving motor, penetrates through the through hole and the index plate, the driving motor drives the toggle member to rotate circumferentially along an axis of the index plate through the transmission assembly, a pressure head is disposed through one end of the toggle member, which is far away from the transmission assembly, the control assembly is connected with the toggle member and the pressure head, and the control assembly is configured to control the pressure head to press down the response contact, so as to actively change the response contact from a response state to a monitoring state.
As a further improvement of the invention, the transmission assembly comprises a transmission belt, a driving wheel and a driven wheel, the driving wheel is coaxially and fixedly connected with an output shaft of the driving motor, the driven wheel is coaxially and fixedly connected with the poking piece, and the transmission belt is used for connecting the driving wheel and the driven wheel.
As a further improvement of the invention, the control assembly comprises a control cylinder, a touch member and a support, the support is arranged on the toggle member, the touch member is connected with the support and rotates along the joint with the support when being acted by external force, one end of the touch member is hinged with the pressure head, the other end of the touch member is provided with a raised head, the control cylinder is arranged on the toggle member, the end part of a piston rod of the control cylinder is provided with a pushing block, and the control cylinder drives the contact to rotate along the joint of the support when pushing the pushing block to be abutted against the raised head, so that the pressure head presses the response contact downwards.
As a further improvement of the invention, the partition mechanism comprises an air pump, a partition air bag and a partition trigger assembly, the cabinet body is further provided with an auxiliary frame, the partition trigger assembly is arranged on the auxiliary frame and sleeved outside the toggle piece, the partition trigger assembly comprises a sheath, a contact piece and an electromagnetic partition piece, the sheath is arranged on the auxiliary frame, the electromagnetic partition piece is arranged in the sheath, the contact piece is hinged with the inner wall of the sheath, the toggle piece is sleeved and fixed with a contact ring, the partition plate is further provided with an air bag limiting piece, the air pump is arranged on the air bag limiting piece, the partition air bag is arranged in the air bag limiting piece, the partition air bag is annularly wound outside the wire hole, and the air pump is electrically connected with the contact piece;
when the electromagnetic isolating piece provides magnetic attraction, the contact piece is separated from the contact ring;
when the electromagnetic partition part provides repulsive force, the contact part is contacted with the contact ring to trigger the air pump to start to inflate the partition air bag, and the line hole is blocked when the partition air bag is inflated and expanded to partition the adjacent equipment cavity.
As a further improvement of the present invention, the first docking assembly includes a first magnetic member and a second magnetic member, the second docking assembly includes a third magnetic member and a fourth magnetic member, the first magnetic member and the second magnetic member attract each other and are disposed at a head end of the gas tank, and the third magnetic member and the fourth magnetic member attract each other and are disposed at a tail end of the gas tank;
the curtain distributing mechanism comprises a curtain distributing motor, a driving gear, a gear ring and an adsorption component, wherein the adsorption component comprises a fifth magnetic part and a sixth magnetic part, an output shaft of the curtain distributing motor is coaxially and fixedly connected with the driving gear, the fifth magnetic part and the sixth magnetic part are arranged in the gear ring, the fifth magnetic part and the sixth magnetic part are sucked, the gear ring is rotationally connected with the cavity along the axial direction of the sealed air curtain, the driving gear is meshed with the gear ring, and the curtain distributing motor drives the driving gear to drive the gear ring to rotate so as to drive the fifth magnetic part and the sixth magnetic part to be interchanged in position;
the adsorption component is used for attracting or repelling the first butt-joint component and the second butt-joint component.
As a further improvement of the present invention, the seal seat is further provided with an overhaul button for overhaul, and the gas treatment module is internally configured with a curtain distribution strategy, which specifically comprises:
when the gas processing module receives a gas leakage signal, a curtain distribution signal is generated and sent to a curtain distribution mechanism, the curtain distribution motor drives the driving gear to rotate to drive the gear ring to rotate, so that the fifth magnetic force piece and the sixth magnetic force piece can exchange positions, the adsorption component and the first butt joint component repel each other, the sealing gas curtain is subjected to self weight to distribute curtains and covers a gas tank, and the adsorption component and the second butt joint component attract and seal;
when the maintenance button is touched, a maintenance signal is generated and sent to the curtain distributing mechanism, the curtain distributing motor drives the driving gear to rotate, the gear ring is driven to rotate, the fifth magnetic piece and the sixth magnetic piece are reset, and the adsorption component and the second butt joint component repel each other.
As a further improvement of the present invention, the partial discharge data includes spark information and arc information, the spark information represents that partial discharge occurs in the cabinet body and is in a spark shape, the arc information represents that partial discharge occurs in the cabinet body and is in an arc shape, the response module is further configured with a partial discharge threshold, and the response policy specifically includes:
when spark information appears, if the time of the spark information appears is in the range of the partial discharge threshold, controlling the sub-control mechanism to change the state of the response contact into a monitoring state;
if the time of the spark information is longer than the partial discharge threshold value, calling whether a gas leakage signal occurs, and if the gas leakage signal occurs, controlling the partition mechanism to partition the equipment cavity with the spark information;
if no air leakage signal is generated, the sub-control mechanism is controlled to change the state of the response contact into a monitoring state, and the partition mechanism is controlled to partition the equipment cavity with spark information;
and when the electric arc information appears, controlling the separation mechanism to separate the equipment cavity with the electric arc information.
As a further improvement of the present invention, the partial discharge monitor is further communicatively connected to an external terminal, and the response module is further configured with a power-off policy and a priority policy, where the priority policy is:
dividing power supply priorities for devices in a cabinet body, wherein the power supply priorities comprise a continuous power supply level and an interruptable power supply level, the continuous power supply level represents main power supply devices, and the interruptable power supply level represents devices capable of being powered off;
the power-off strategy is as follows:
if spark information or arc information is continuous power supply level equipment, the response module generates a danger signal to an external terminal;
if the electric arc information is the interruptible power supply equipment, the response module generates a medium-risk signal to an external terminal;
and if the spark information is the interruptible power supply equipment, the response module generates a polling and checking signal to an external terminal.
The invention has the beneficial effects that: whether partial discharge occurs in the cabinet body is detected through the photoelectric sensor, whether protective gas leakage occurs is detected through the gas sensor, when partial discharge occurs, whether the state of the photoelectric sensor is recovered to be a monitoring state or not is selected and controlled by the sub-control mechanism according to the degree of the partial discharge and whether the sub-control mechanism is controlled to cut off the equipment cavity or not under the action of the sensor control device, damage to equipment operation caused by the partial discharge is reduced, under the action of the gas curtain device, the gas tank is covered when the protective gas leakage occurs, so that the protective gas is not easy to leak into the equipment cavity, the partial discharge monitor is controlled under the action of the partial discharge monitor, whether the partial discharge occurs in the cabinet body and whether the damage to the equipment operation caused by the partial discharge occurs or not are monitored and controlled, the detection and online analysis of the partial discharge in the cabinet body are realized, and the operation state of the equipment in the cabinet body is controlled, the effect of the safe in utilization of the cabinet body is improved.
Drawings
FIG. 1 is a schematic perspective view of a cabinet embodying the present invention;
FIG. 2 is a schematic flow diagram embodying a monitoring system;
FIG. 3 is a schematic view showing a partial structure of a shielding gas device and a sensor control device in a cabinet body;
FIG. 4 is an enlarged view of a portion of the sensor control device;
FIG. 5 is a schematic partial sectional view showing the index plate, the sub-control mechanism and the partition mechanism;
FIG. 6 is a schematic view, partially in section, of an electromagnetic assembly embodying an indexing disk;
FIG. 7 is a schematic view of a mechanism embodying a partition mechanism provided on a partition plate;
FIG. 8 is a schematic view showing a partial structure of a shielding gas device and an air curtain device;
FIG. 9 is a schematic partial structure showing a cross-section of an air curtain apparatus;
fig. 10 is a partial structural schematic diagram showing a sectional view of a curtain mechanism.
Reference numerals: 1. a cabinet body; 11. an equipment chamber; 12. a partition plate; 13. a wire hole; 14. an airbag stopper; 2. a partial discharge monitor; 21. a monitoring system; 22. a spark processing module; 23. a gas treatment module; 24. a response module; 25. a photoelectric sensor; 26. a gas sensor; 3. a shielding gas device; 31. an air seat; 32. a gas tank; 4. a sensor control device; 5. an index plate; 51. a responsive contact; 52. a contact slot; 53. an electromagnetic assembly; 54. an electromagnet; 55. a contact elastic member; 6. a sub-control mechanism; 61. a drive motor; 62. a toggle piece; 63. a transmission assembly; 631. a transmission belt; 632. a driving wheel; 633. a driven wheel; 64. a control component; 641. controlling the cylinder; 642. a touch piece; 643. a support; 644. a raised head; 645. a pushing block; 65. a pressure head; 66. a contact ring; 7. a partition mechanism; 71. an air pump; 72. isolating the air bag; 73. a partition triggering assembly; 731. sheathing; 732. a contact member; 733. an electromagnetic separator; 74. an auxiliary frame; 8. an air curtain device; 81. sealing the air curtain; 82. a curtain mechanism; 821. a curtain motor; 822. a drive gear; 823. a ring gear; 83. a first docking assembly; 831. a first magnetic member; 832. a second magnetic member; 84. a second docking assembly; 841. a third magnetic member; 842. a fourth magnetic member; 85. a sealing seat; 86. an adsorption component; 861. a fifth magnetic member; 862. a sixth magnetic member; 87. and (5) a maintenance button.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 10, a specific embodiment of an on-line analysis system for power partial discharge data according to the present invention includes a cabinet 1, a plurality of device cavities 11 are configured in the cabinet 1, adjacent device cavities 11 are separated by a partition plate 12, a wire hole 13 for routing is formed in the partition plate 12, the wiring in the wire hole 13 is communicated with power devices in the adjacent device cavities 11, a partial discharge monitor 2, a gas sensor 26 and a plurality of photoelectric sensors 25 are further disposed in the cabinet 1, the partial discharge monitor 2 is further communicatively connected to an external terminal, the photoelectric sensors 25 are electrically connected to the partial discharge monitor 2, the plurality of photoelectric sensors 25 are respectively used for detecting whether electric sparks and/or electric arcs occur in the device cavities 11, when electric sparks and/or arcs occur, the photoelectric sensors 25 generate spark signals, and a shielding gas device 3 is disposed in the cabinet 1, protection gas device 3 department is provided with the detection chamber, gas sensor 26 sets up in the detection intracavity, when the protection gas device 3 goes out to appear the protection gas, gas sensor 26 response and produce the gas leakage signal, because gas sensor 26 sets up in detecting the chamber, it is the part that protection gas device 3 and cabinet body 1 are connected to detect the chamber, also be the part that the protection gas leaked most easily, make gas sensor 26 can be to the more sharp detection of protection gas, it reduces the gas sensor 26 and receives the influence of the internal air of cabinet body 1 to reduce the acuteness of detection.
The cabinet body 1 is also internally provided with a sensor control device 4, the sensor control device 4 comprises an index plate 5, a sub-control mechanism 6 and a partition mechanism 7, the index plate 5 is provided with response contacts 51 corresponding to the photoelectric sensors 25 in number, the response contacts 51 are respectively electrically connected with the corresponding photoelectric sensors 25, the photoelectric sensors 25 send spark signals to the partial discharge monitor 2, the partial discharge monitor 2 controls the response contacts 51 correspondingly generating the spark signals to respond and change the state of the response contacts 51 to be a response state, when the response contacts 51 are in the response state, the corresponding photoelectric sensors 25 stop monitoring, the sub-control mechanism 6 is used for changing the response contacts 51 to be reset to a monitoring state, when the response contacts 51 are in the monitoring state, the corresponding photoelectric sensors 25 recover monitoring, and the partition mechanism 7 is used for partitioning the adjacent equipment cavities 11.
Still be provided with air curtain device 8 in the cabinet body 1, air curtain device 8 with protection gas device 3 connects, air curtain device 8 is including sealed air curtain 81 and cloth curtain mechanism 82, protection gas device 3 includes gas holder 31 and gas tank 32, gas holder 31 is connected with cabinet body 1, be formed with the air chamber that is used for installing gas pitcher 32 in the gas holder 31, be provided with first butt joint subassembly 83 and second butt joint subassembly 84 respectively along the both ends of gas pitcher 32 in the gas holder 31, sealed air curtain 81 one end is connected with protection gas device 3, cloth curtain mechanism 82 is connected to the other end, when cloth curtain mechanism 82 is connected with the first butt joint subassembly 83 that is located the gas pitcher 32 head end, sealed air curtain 81 is for taking up the state of folding, when cloth curtain mechanism 82 is connected with the second butt joint subassembly 84 that is located the gas pitcher 32 tail end, sealed air curtain 81 covers and establishes gas pitcher 32 and sealed gas pitcher 32.
The partial discharge monitor 2 is internally provided with a monitoring system 21, the monitoring system 21 comprises a spark processing module 22, a gas processing module 23 and a response module 24, when the gas sensor 26 generates a gas leakage signal, the gas sensor sends the gas leakage signal to the gas processing module 23, the gas control module is used for controlling the response of the curtain arrangement mechanism 82, so that the sealing mechanism is connected with the gas holder 31, and the sealing gas curtain 81 seals the gas tank 32. The spark processing module 22 is internally provided with a detection strategy, the detection strategy comprises the steps of calling a spark signal generated by the photoelectric sensor 25, generating partial discharge data and sending the partial discharge data to the response module 24, the response module 24 is internally provided with a response strategy, the response strategy comprises the steps of calling the partial discharge data and generating a sub-control instruction by an air leakage signal, and the sub-control instruction is used for controlling the sub-control mechanism 6 to control the response contact 51 and/or controlling the isolation mechanism 7 to isolate the equipment cavity 11.
The index plate 5 is provided with contact slots 52 for mounting a plurality of response contacts 51, in the embodiment, the contact slots 52 are arranged in a circular array, the index plate 5 is further provided with an indication mark, the response contacts 51 corresponding to the photoelectric sensors 25 in the same equipment cavity 11 are sequentially arranged along the clockwise direction of the index plate 5, the equipment cavity 11 provided with the protective gas device 3 is indicated by the starting position of the indication mark, the equipment cavities 11 sequentially arranged from the protective gas device 3 in the cabinet body 1 are correspondingly arranged along the clockwise direction of the indication mark, an electromagnetic component is arranged in the contact slot 52, the electromagnetic component 53 comprises an electromagnet 54 and a contact elastic component 55, the electromagnet 54 is used for providing attraction and repulsion between the response contacts 51 and the electromagnet 54, the contact elastic component 55 is connected with the response contacts 51 and the electromagnet 54, and the contact elastic component 55 is selected as a spring;
when the photoelectric sensor 25 does not generate a spark signal, the electromagnetic assembly 53 provides magnetic force to adsorb the response contact 51, the contact elastic piece 55 is in a compression deformation force storage state, and the response contact 51 is in a monitoring state at the moment, so that the corresponding photoelectric sensor 25 can monitor whether partial discharge occurs in the equipment cavity 11 in real time;
when the photoelectric sensor 25 generates a spark signal, the electromagnetic component 53 provides magnetic force to repel the response contact 51, the contact elastic member 55 releases the elastic force and restores to the original length state, at this time, the response contact 51 is in the response state, and the corresponding photoelectric sensor 25 stops monitoring the equipment cavity 11, which indicates that partial discharge occurs in the equipment cavity 11.
The branch control mechanism 6 comprises a driving motor 61, a shifting member 62, a transmission assembly 63 and a control assembly 64, a motor base is arranged on the cabinet body 1, the driving motor 61 is arranged in the motor base, the transmission assembly 63 is connected with the shifting member 62 and the driving motor 61, the transmission assembly 63 comprises a transmission belt 631, a driving wheel 632 and a driven wheel 633, the driving wheel 632 is coaxially and fixedly connected with an output shaft of the driving motor 61, the driven wheel 633 is coaxially and fixedly connected with the shifting member 62, the transmission belt 631 is used for connecting the driving wheel 632 and the driven wheel 633, a through hole is formed in the index plate 5, one end of the shifting member 62 far away from the driving motor 61 penetrates through the index plate 5 through the through hole, the driving motor 61 drives the shifting member 62 to rotate along the axis circumference of the index plate 5 through the transmission assembly 63, a pressure head 65 penetrates through one end of the shifting member 62 far away from the transmission assembly 63, and the control assembly 64 is connected with the shifting member 62 and connected with the pressure head 65, the control component 64 is used for controlling the pressure head 65 to press the response contact 51 downwards to actively change the response contact 51 from the response state to the monitoring state, so that when the partial discharge does not affect the normal operation of the whole device, the response contact 51 in the response state is actively controlled to change the state to the monitoring state by the sub-control mechanism 6, the corresponding photoelectric sensor 25 continues to monitor, and when the photoelectric sensor 25 is marked, the corresponding response contact 51 is marked to correspond to the mark of the photoelectric sensor 25, so that the part where the partial discharge occurs can be accurately judged through marking, and the device cavity 11 where the partial discharge is located is determined.
The control assembly 64 comprises a control cylinder 641, a touching part 642 and a bracket 643, the bracket 643 is arranged on the poking part 62, the touching part 642 is connected with the bracket 643 and rotates along the connection with the bracket 643 when being affected by external force, one end of the touching part 642 is hinged with the pressure head 65, the other end of the touching part 642 is provided with a raised head 644, the control cylinder 641 is arranged on the poking part 62, the end part of a piston rod of the control cylinder 641 is provided with a pushing block 645, when the control cylinder 641 pushes the pushing block 645 to collide with the raised head 644, the contact is driven to rotate along the connection of the bracket 643 so that the pressure head 65 presses the response contact 51 downwards, the electromagnet 54 provides suction to adsorb the response contact 51, and therefore the state of the response contact 51 is changed into a monitoring state.
The partition mechanism 7 comprises an air pump 71, a partition air bag 72 and a partition triggering assembly 73, the cabinet body 1 is further provided with an auxiliary frame 74, the partition triggering assembly 73 is arranged on the auxiliary frame 74 and sleeved outside the shifting piece 62, the partition triggering assembly 73 comprises a sheath 731, a contact piece 732 and an electromagnetic partition piece 733, the sheath 731 is arranged on the auxiliary frame 74, the electromagnetic partition piece 733 is arranged in the sheath 731, the contact piece 732 is hinged with the inner wall of the sheath 731, the shifting piece 62 is fixedly sleeved with a contact ring 66, the partition plate 12 is further provided with an air bag limiting piece 14, the air pump 71 is arranged on the air bag limiting piece 14, the partition air bag 72 is arranged in the air bag limiting piece 14, the partition air bag 72 surrounds the line hole 13, and the air pump 71 is electrically connected with the contact piece 732;
when the electromagnetic cutoff 733 provides magnetic attraction, the contact 732 separates from the contact ring 66;
when the device cavity 11 needs to be partitioned, the electromagnetic partition member 733 provides repulsive force, the contact member 732 contacts with the contact ring 66, the trigger air pump 71 is started to inflate the partition air bag 72, the partition air bag 72 blocks the line hole 13 when inflated and expanded to partition the adjacent device cavity 11, wherein specifically, when the partition is needed, the sub-control mechanism 6 controls the shifting member 62 to rotate to find the response contact 51 state as the response state position, and simultaneously, the contact member 732 contacts with the contact ring 66, so that the contact ring 66 is driven to rotate when the shifting member 62 rotates, and the trigger air pump 71 is started.
The first butt joint assembly 83 includes a first magnetic member 831 and a second magnetic member 832, the second butt joint assembly 84 includes a third magnetic member 841 and a fourth magnetic member 842, the first magnetic member 831 and the second magnetic member 832 are attracted and disposed at the head end of the gas tank 32, the third magnetic member 841 and the fourth magnetic member 842 are attracted and disposed at the tail end of the gas tank 32, the first magnetic member 831, the second magnetic member 832, the third magnetic member 841 and the fourth magnetic member 842 are respectively in a semi-arc shape, so that the first magnetic member 831 and the second magnetic member 832 are attracted to form a circular ring shape, and the third magnetic member 841 and the fourth magnetic member 842 are attracted to form a circular ring shape;
the sealing air curtain 81 is provided with a sealing seat 85, a cavity is arranged in the sealing seat 85, the curtain distribution mechanism 82 is arranged in the cavity, the curtain distribution mechanism 82 comprises a curtain distribution motor 821, a driving gear 822, a gear ring 823 and an adsorption component 86, the adsorption component 86 comprises a fifth magnetic part 861 and a sixth magnetic part 862, an output shaft of the curtain distribution motor 821 is coaxially and fixedly connected with the driving gear 822, the fifth magnetic part 861 and the sixth magnetic part 862 are arranged in the gear ring 823, the fifth magnetic part 861 and the sixth magnetic part 862 attract each other to form a circular ring shape, the gear ring 823 is connected with the cavity in a rotating manner along the axial direction of the sealing air curtain 81, so that the gear ring 823 can rotate along the axial direction of the sealing air curtain 81, the driving gear 822 is meshed with the gear ring 823, and the curtain cloth motor 821 drives the driving gear 822 to drive the gear ring 823 to rotate so as to drive the fifth magnetic member 861 and the sixth magnetic member 862 to exchange positions.
When the sealing air curtain 81 is connected with the first butt joint component 83, the fifth magnetic component 861 is attracted with the first magnetic component 831, the sixth magnetic component 862 is attracted with the second magnetic component 832, so that the sealing air curtain 81 is in a folding state, the sealing seat 85 is further provided with an overhaul button 87 for overhaul, a curtain distribution strategy is configured in the gas treatment module 23, and the curtain distribution strategy specifically comprises:
when the gas processing module 23 receives the gas leakage signal, a curtain distribution signal is generated and sent to the curtain distribution mechanism 82, the curtain distribution motor 821 drives the driving gear 822 to rotate to drive the gear ring 823 to rotate, so that the fifth magnetic member 861 and the sixth magnetic member 862 can interchange positions, the fifth magnetic member 861 repels the first magnetic member 831, the sixth magnetic member 862 repels the second magnetic member 832 to remove the adsorption to the sealing air curtain 81, the sealing air curtain 81 is covered outside the gas tank 32 under the action of self weight, when the sealing air curtain 81 is covered on the gas tank 32, the fifth magnetic member 861 and the third magnetic member 841 attract each other, and the sixth magnetic member 862 and the fourth magnetic member 842 attract each other, so that the sealing air curtain 81 and the second butt-joint component 84 are connected and sealed.
When the maintenance button 87 is touched, a maintenance signal is generated and sent to the curtain cloth mechanism 82, the curtain cloth motor 821 drives the driving gear 822 to rotate, the gear ring 823 is driven to rotate, so that the fifth magnetic member 861 and the sixth magnetic member 862 reset, the fifth magnetic member 861 and the third magnetic member 841 repel each other at the moment, the sixth magnetic member 862 and the fourth magnetic member 842 repel each other, the connection between the adsorption assembly 86 and the second butt-joint assembly 84 is released, maintenance personnel can perform maintenance, and in maintenance, when the adsorption assembly 86 is pulled to the position of the first butt-joint assembly 83, the adsorption assembly 86 and the first butt-joint assembly 83 attract each other due to the fact that the fifth magnetic member 861 and the sixth magnetic member 862 reset, and therefore, the maintenance is further convenient for the operator to perform maintenance and curtain cloth control during normal operation of the maintained equipment.
The partial discharge data comprise spark information and arc information, partial discharge occurs in the spark information characterization cabinet body 1 and is in an electric spark shape, partial discharge occurs in the arc information characterization cabinet body 1 and is in an electric arc shape, a partial discharge threshold value is further configured in the response module 24, the partial discharge threshold value represents the safe time value, and the response strategy specifically comprises:
when spark information appears, if the time of the spark information appears is in the range of the partial discharge threshold, the normal operation of the equipment cannot be influenced by partial discharge, and the partial control mechanism 6 is controlled to change the state of the response contact 51 into a monitoring state, so that the partial discharge part is overhauled during inspection;
if the time of the occurrence of the spark information is longer than the partial discharge threshold value, calling whether a gas leakage signal occurs or not, if the gas leakage signal occurs, controlling the partition mechanism 7 to partition the equipment cavity 11 in which the spark information occurs, wherein the normal operation of the equipment is not influenced by the partial discharge at the moment, but in order to avoid the influence of gaseous impurities in the equipment to aggravate the hazard of the partial discharge, the condition of aggravation of the partial discharge is reduced by partitioning the equipment cavity 11;
if no air leakage signal exists, the sub-control mechanism 6 is controlled to change the state of the response contact 51 into a monitoring state, and the partition mechanism 7 is controlled to partition the equipment cavity 11 with spark information;
when the arc information occurs, the partition mechanism 7 is controlled to partition the equipment cavity 11 in which the arc information occurs, and when the arc occurs, the condition that the equipment is damaged is indicated, so that when the arc occurs, the response contact 51 corresponding to the photoelectric sensor 25 which detects the arc is in a response state, at this time, the toggle piece 62 rotates to the position of the corresponding response contact 51, and meanwhile, the touch contact piece 732 starts the corresponding air pump 71 to work, so that the partition air bag 72 is inflated, and the equipment cavity 11 in which the arc occurs is partitioned.
The response module 24 is also configured with a power-off policy and a priority policy, where the priority policy is:
the method comprises the following steps of dividing power supply priorities for equipment in a cabinet body 1, wherein the power supply priorities comprise a continuous power supply level and an interruptible power supply level, the continuous power supply level represents main power supply equipment, and the interruptible power supply level represents equipment capable of being powered off;
the power-off strategy is:
if the spark information or the arc information is the continuous power supply level equipment, the response module 24 generates a danger signal to an external terminal;
if the arc information is the interruptible power supply equipment, the response module 24 generates a medium-risk signal to the external terminal;
if the spark information is the power-off equipment, the response module 24 generates a polling signal to the external terminal.
The external terminal is used for controlling the partial discharge monitor 2 on the same power transmission line or power supply network, the partial discharge monitor 2 is previously networked in an orca mode to form a power distribution network, when a spark signal occurs, a mark of a corresponding photoelectric sensor 25 can be displayed on the external terminal, meanwhile, a fluctuation part in the partial control mechanism 6 can rotate to a corresponding response contact 51 part, when the external terminal receives a dangerous signal, an alarm is given in time, and maintenance information is sent to maintenance personnel, so that the maintenance personnel can quickly catch up to the cabinet body 1 where partial discharge occurs and normal operation of equipment can be damaged for maintenance, when the external terminal receives a medium-risk signal, equipment at the part where arc information occurs is controlled to be powered off, the maintenance information is sent to the maintenance personnel, so that the maintenance personnel catches up to the site to maintain the part where the partial discharge occurs, and when the external terminal receives an inspection signal, the power supply equipment with spark information is controlled to be powered off to solve the problem of spark generation and form an inspection mark, so that maintenance personnel can inspect the part with partial discharge when regularly inspecting, and the serious partial discharge condition of subsequent equipment is not easy to cause. When carrying out the outage to the power supply unit in the cabinet body 1 and handling, for making whole distribution network can keep the stability of distribution, through carrying out the distribution under l ora's network deployment, make holistic distribution be difficult for appearing undulant, improve distribution network's operating stability.
The working principle and the effect are as follows:
whether partial discharge occurs in the cabinet body 1 or not is detected through the photoelectric sensor 25, whether protective gas leakage occurs or not is detected through the gas sensitive sensor 26, when partial discharge occurs, whether the state of the photoelectric sensor 25 is recovered to be a monitoring state or not is selectively controlled according to the degree of the partial discharge, and whether the device cavity 11 is controlled to be partitioned or not by the control partition mechanism 7 under the action of the sensor control device 4, so that the damage of the partial discharge to the device operation is reduced, the gas tank 32 is covered under the action of the gas curtain device 8 when the protective gas leakage occurs, so that the protective gas is not easy to leak into the device cavity 11, the control is performed under the action of the partial discharge monitor 2, the monitoring and the control of whether the partial discharge occurs in the cabinet body 1 or not and the damage of the partial discharge to the device operation is realized, and the detection and the on-line analysis of the partial discharge in the cabinet body 1 are realized, thereby controlling the running state of the equipment in the cabinet body 1 and improving the effect of the use safety of the cabinet body 1.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. An online analysis system for power partial discharge data, comprising:
the cabinet comprises a cabinet body (1), wherein a plurality of equipment cavities (11) are arranged in the cabinet body (1), adjacent equipment cavities (11) are separated by partition plates (12), and wire holes (13) for wiring are formed in the partition plates (12);
the partial discharge monitor (2), the partial discharge monitor (2) is arranged in the cabinet body (1);
the photoelectric sensors (25) are arranged in the cabinet body (1), the photoelectric sensors (25) are electrically connected with the partial discharge monitor (2), the photoelectric sensors (25) are respectively used for detecting whether electric sparks and/or electric arcs occur in the equipment cavity (11), and when the electric sparks and/or the electric arcs occur, the photoelectric sensors (25) generate spark signals;
the gas sensor (26), the inside of the cabinet body (1) is provided with a shielding gas device (3), a detection cavity is arranged at the shielding gas device (3), the gas sensor (26) is arranged in the detection cavity, and when shielding gas appears outside the shielding gas device (3), the gas sensor (26) responds and generates a gas leakage signal;
the sensor control device (4) comprises an index plate (5), a sub-control mechanism (6) and a partition mechanism (7), wherein response contacts (51) corresponding to a plurality of photoelectric sensors (25) in number are arranged on the index plate (5), the response contacts (51) are respectively electrically connected with the corresponding photoelectric sensors (25), the photoelectric sensors (25) send spark signals to the partial discharge monitor (2), the partial discharge monitor (2) controls the response contacts (51) correspondingly generating the spark signals to respond and change the states of the response contacts (51) into response states, when the response contacts (51) are in the response states, the corresponding photoelectric sensors (25) stop monitoring, the sub-control mechanism (6) is used for changing the response contacts (51) to be reset into monitoring states, when the response contacts (51) are in the monitoring states, the partition mechanism (7) is used for partitioning the adjacent equipment cavities (11) corresponding to the restoration monitoring of the photoelectric sensor (25);
the air curtain device (8), the air curtain device (8) is connected with the protective air device (3), the air curtain device (8) comprises a sealing air curtain (81) and a curtain distributing mechanism (82), the protective air device (3) comprises an air seat (31) and an air tank (32), the air seat (31) is connected with the cabinet body (1), an air chamber for installing the air tank (32) is formed in the air seat (31), a first butt joint component (83) and a second butt joint component (84) are respectively arranged at two ends of the air tank (32) in the air seat (31), one end of the sealing air curtain (81) is connected with the protective air device (3), the other end of the sealing air curtain distributing mechanism (82) is connected with the curtain distributing mechanism (82), when the curtain distributing mechanism (82) is connected with the first butt joint component (83) at the head end of the air tank (32), the sealing air curtain (81) is in a folding state, and when the curtain distributing mechanism (82) is connected with the second butt joint component (84) at the tail end of the air tank (32), the sealed air curtain (81) covers the air tank (32) and seals the air tank (32);
a monitoring system (21) is configured in the partial discharge monitor (2), the monitoring system (21) comprises a spark processing module (22), a gas processing module (23) and a response module (24), when the gas sensor (26) generates a gas leakage signal, the gas sensor sends the gas leakage signal to the gas processing module (23), the gas control module is used for controlling the response of a curtain arrangement mechanism (82) so as to enable the sealing mechanism to be connected with a gas holder (31), and the sealing gas curtain (81) seals a gas tank (32);
the spark processing module (22) is internally provided with a detection strategy, the detection strategy comprises a spark signal generated by a photoelectric sensor (25) and is generated and partial discharge data are transmitted to a response module (24), the response module (24) is internally provided with a response strategy, the response strategy comprises partial discharge data and an air leakage signal, and a sub-control instruction is generated and is used for controlling a sub-control mechanism (6) to control a response contact (51) and/or control a partition mechanism (7) to partition an equipment cavity (11).
2. The system for online analysis of power partial discharge data according to claim 1, wherein: the dividing plate (5) is provided with a contact groove (52) for mounting a plurality of response contacts (51), an electromagnetic component is arranged in the contact groove (52), the electromagnetic component (53) comprises an electromagnet (54) and a contact elastic component (55), the electromagnet (54) is used for providing magnetic force to control the response contacts (51) and the electromagnet (54) to be adsorbed and repelled, and the contact elastic component (55) is connected with the response contacts (51) and the electromagnet (54);
when the photoelectric sensor (25) does not generate a spark signal, the electromagnetic assembly (53) provides magnetic force to adsorb the response contact (51), the contact elastic piece (55) is in a compression deformation force accumulation state, and the response contact (51) is in a monitoring state;
when the photoelectric sensor (25) generates a spark signal, the electromagnetic assembly (53) provides magnetic force to repel the response contact (51), the contact elastic piece (55) releases elastic force and restores to the original length state, and the response contact (51) is in a response state.
3. The system for online analysis of power partial discharge data according to claim 2, wherein: the branch control mechanism (6) comprises a driving motor (61), a stirring piece (62), a transmission assembly (63) and a control assembly (64), a motor base is arranged on the cabinet body (1), the driving motor (61) is arranged in the motor base, the transmission assembly (63) is connected with the stirring piece (62) and the driving motor (61), a through hole is formed in the dividing disc (5), one end, far away from the driving motor (61), of the stirring piece (62) penetrates out of the dividing disc (5) through the through hole, the driving motor (61) drives the stirring piece (62) to rotate along the axis circumference of the dividing disc (5) through the transmission assembly (63), a pressure head (65) penetrates through one end, far away from the transmission assembly (63), of the stirring piece (62), the control assembly (64) is connected with the stirring piece (62) and connected with the pressure head (65), and the control assembly (64) is used for controlling the pressure head (65) to press the response contact (51), to actively change the response contact (51) from a response state to a monitoring state.
4. The system for online analysis of power partial discharge data according to claim 3, wherein: the transmission assembly (63) comprises a transmission belt (631), a driving wheel (632) and a driven wheel (633), the driving wheel (632) is coaxially and fixedly connected with an output shaft of the driving motor (61), the driven wheel (633) is coaxially and fixedly connected with the poking piece (62), and the transmission belt (631) is used for connecting the driving wheel (632) and the driven wheel (633).
5. The system for online analysis of power partial discharge data according to claim 3, wherein: the control assembly (64) comprises a control cylinder (641), a touch part (642) and a support (643), the support (643) is arranged on a shifting part (62), the touch part (642) is connected with the support (643) and rotates along the connection part with the support (643) under the action of external force, one end of the touch part (642) is hinged to the pressure head (65), the other end of the touch part is provided with a raised head (644), the control cylinder (641) is arranged on the shifting part (62), the end part of a piston rod of the control cylinder (641) is provided with a pushing and abutting block (645), and when the control cylinder (641) pushes the pushing and abutting block (645) to abut against the raised head (644), the contact is driven to rotate along the connection part of the support (643) so that the pressure head (65) presses the response contact (51) downwards.
6. The system for online analysis of power partial discharge data according to claim 2, wherein: the partition mechanism (7) comprises an air pump (71), a partition air bag (72) and a partition trigger assembly (73), the cabinet body (1) is further provided with an auxiliary frame (74), the partition trigger assembly (73) is arranged on the auxiliary frame (74) and sleeved outside the shifting piece (62), the partition trigger assembly (73) comprises a sleeve (731), a contact piece (732) and an electromagnetic partition piece (733), the sleeve (731) is arranged on the auxiliary frame (74), the electromagnetic partition piece (733) is arranged in the sleeve (731), the contact piece (732) is hinged to the inner wall of the sleeve (731), the shifting piece (62) is sleeved and fixed with a contact ring (66), the partition plate (12) is further provided with an air bag limiting piece (14), the air pump (71) is arranged on the air bag limiting piece (14), the partition air bag (72) is arranged in the air bag limiting piece (14), the partition air bag (72) surrounds the wire hole (13), and the air pump (71) is electrically connected with the contact piece (732);
the contact member (732) is separated from the contact ring (66) when the electromagnetic interruption member (733) provides a magnetic attraction force;
when the electromagnetic partition part (733) provides repulsive force, the contact part (732) is in contact with the contact ring (66) to trigger the air pump (71) to start inflating the partition air bag (72), and the line hole (13) is blocked when the partition air bag (72) is inflated and expanded to partition the adjacent equipment cavity (11).
7. The system for online analysis of power partial discharge data according to claim 1, wherein: the first docking assembly (83) comprises a first magnetic member (831) and a second magnetic member (832), the second docking assembly (84) comprises a third magnetic member (841) and a fourth magnetic member (842), the first magnetic member and the second magnetic member (832) attract each other and are arranged at the head end of the gas tank (32), and the third magnetic member (841) and the fourth magnetic member (842) attract each other and are arranged at the tail end of the gas tank (32);
the sealing air curtain is characterized in that a sealing seat (85) is arranged on the sealing air curtain (81), a cavity is arranged in the sealing seat (85), the curtain distribution mechanism (82) is arranged in the cavity, the curtain distribution mechanism (82) comprises a curtain distribution motor (821), a driving gear (822), a gear ring (823) and an adsorption component (86), the adsorption component (86) comprises a fifth magnetic part (861) and a sixth magnetic part (862), an output shaft of the curtain distribution motor (821) is coaxially and fixedly connected with the driving gear (822), the fifth magnetic part (861) and the sixth magnetic part (862) are arranged in the gear ring (823), the gear ring (823) and the cavity are rotationally connected along the axial direction of the sealing air curtain (81), the driving gear (822) is meshed with the gear ring (823), the curtain distribution motor (821) drives the driving gear (822) to drive the gear ring (823) to rotate, so as to drive the position exchange of the fifth magnetic element (861) and the sixth magnetic element (862);
the adsorption component (86) is used for attracting or repelling the first butt-joint component (83) and attracting or repelling the second butt-joint component (84).
8. The system of claim 7, wherein the system comprises: still be provided with maintenance button (87) that are used for the maintenance on seal receptacle (85), dispose the cloth curtain strategy in gas treatment module (23), the cloth curtain strategy specifically is:
when the gas processing module (23) receives a gas leakage signal, a curtain distribution signal is generated and sent to a curtain distribution mechanism (82), the curtain distribution motor (821) drives the driving gear (822) to rotate and drives the gear ring (823) to rotate, so that the fifth magnetic member (861) and the sixth magnetic member (862) can exchange positions, the adsorption assembly (86) and the first butt joint assembly (83) repel each other, the sealing gas curtain (81) is subjected to curtain distribution under the self weight and covers the gas tank (32), and the adsorption assembly (86) and the second butt joint assembly (84) attract and seal each other;
when the maintenance button (87) is triggered, a maintenance signal is generated and sent to the cloth curtain mechanism (82), the cloth curtain motor (821) drives the driving gear (822) to rotate and drives the gear ring (823) to rotate, so that the fifth magnetic piece (861) and the sixth magnetic piece (862) are reset, and the adsorption component (86) and the second butt-joint component (84) repel each other.
9. The system for online analysis of power partial discharge data according to claim 8, wherein: the partial discharge data comprise spark information and arc information, the spark information represents that partial discharge occurs in the cabinet body (1) and is in an electric spark shape, the arc information represents that partial discharge occurs in the cabinet body (1) and is in an electric arc shape, a partial discharge threshold value is further configured in the response module (24), and the response strategy specifically comprises the following steps:
when spark information appears, if the time of the spark information appears is in the partial discharge threshold range, the sub-control mechanism (6) is controlled to change the state of the response contact (51) into a monitoring state;
if the time of the spark information is longer than the partial discharge threshold value, calling whether a gas leakage signal occurs, and if the gas leakage signal occurs, controlling the partition mechanism (7) to partition the equipment cavity (11) in which the spark information occurs;
if no air leakage signal exists, the sub-control mechanism (6) is controlled to change the state of the response contact (51) into a monitoring state, and the partition mechanism (7) is controlled to partition the equipment cavity (11) with spark information;
and when the arc information appears, controlling the separation mechanism (7) to separate the equipment cavity (11) with the arc information.
10. An on-line analysis system for electric power partial discharge data according to any one of claims 1 to 9, characterized in that: the partial discharge monitor (2) is also in communication connection with an external terminal, the response module (24) is also internally configured with a power-off strategy and a priority strategy, and the priority strategy is as follows:
the method comprises the steps that power supply priorities are divided for equipment in a cabinet body (1), wherein the power supply priorities comprise a continuous power supply level and an interruptible power supply level, the continuous power supply level represents main power supply equipment, and the interruptible power supply level represents equipment capable of being powered off;
the power-off strategy is as follows:
if spark information or arc information is continuous power supply level equipment, the response module (24) generates a danger signal to an external terminal;
if the electric arc information is the interruptible power supply equipment, the response module (24) generates a medium-risk signal to an external terminal;
and if the spark information is the interruptible power supply equipment, the response module (24) generates a patrol inspection signal to an external terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210406549.5A CN114690004A (en) | 2022-04-18 | 2022-04-18 | Online analysis system for electric power partial discharge data |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210406549.5A CN114690004A (en) | 2022-04-18 | 2022-04-18 | Online analysis system for electric power partial discharge data |
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| Publication Number | Publication Date |
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| CN114690004A true CN114690004A (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210406549.5A Pending CN114690004A (en) | 2022-04-18 | 2022-04-18 | Online analysis system for electric power partial discharge data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115629228A (en) * | 2022-12-07 | 2023-01-20 | 江苏华鹏智能仪表科技股份有限公司 | Modular ammeter and installation method |
| CN116599632A (en) * | 2023-07-18 | 2023-08-15 | 湖南湘高电器制造有限公司 | Intelligent online monitoring system for partial discharge |
-
2022
- 2022-04-18 CN CN202210406549.5A patent/CN114690004A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115629228A (en) * | 2022-12-07 | 2023-01-20 | 江苏华鹏智能仪表科技股份有限公司 | Modular ammeter and installation method |
| CN116599632A (en) * | 2023-07-18 | 2023-08-15 | 湖南湘高电器制造有限公司 | Intelligent online monitoring system for partial discharge |
| CN116599632B (en) * | 2023-07-18 | 2023-09-08 | 湖南湘高电器制造有限公司 | Intelligent online monitoring system for partial discharge |
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