CN111198336A - Auxiliary equipment for transformer direct-current magnetic bias monitoring data processing system - Google Patents
Auxiliary equipment for transformer direct-current magnetic bias monitoring data processing system Download PDFInfo
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- CN111198336A CN111198336A CN202010079801.7A CN202010079801A CN111198336A CN 111198336 A CN111198336 A CN 111198336A CN 202010079801 A CN202010079801 A CN 202010079801A CN 111198336 A CN111198336 A CN 111198336A
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Abstract
The invention discloses an accessory device for a transformer direct-current magnetic bias monitoring data processing system, which belongs to the field of transformer monitoring and can realize the auxiliary effect of the existing transformer direct-current magnetic bias monitoring data processing system, carries out on-site key investigation on a transformer with abnormal direct-current magnetic bias data, is positioned to the abnormal transformer by a technician according to the serial number, automatically downloads and introduces the abnormal direct-current magnetic bias data of the transformer, comprises historical data, simulates direct-current magnetic bias correction after data processing, and quickly installs the abnormal direct-current magnetic bias data on a direct-current magnetic bias corrector on the transformer by unlocking and separating a sub-correction director, calculates and guides the magnetic bias correction in a short period after maintenance, simultaneously collects the direct-current magnetic bias data of the transformer at high frequency for key monitoring until the direct-current magnetic bias data of the transformer is in a reasonable range within a certain time and then is recovered by a technician, the cost and the monitoring workload are obviously reduced.
Description
Technical Field
The invention relates to the field of transformer monitoring, in particular to accessory equipment for a transformer direct-current magnetic bias monitoring data processing system.
Background
With the smooth progress of the intelligent transformation project of the transformer substation in China, the state monitoring technology of the power transmission and transformation equipment becomes a key supporting technology for realizing the construction of the intelligent transformer substation, and is the core content of the construction of the intelligent transformer substation. Therefore, the construction of the power transmission and transformation equipment state monitoring and fault diagnosis system has positive and profound significance for improving the production management level of the national power grid company, strengthening the state monitoring and maintenance auxiliary decision application and promoting the construction of the intelligent power grid. In the operation and maintenance of power equipment, a power transformer belongs to the most important and expensive equipment in a power system and is one of the most accident-causing equipment in the power system, and the fault thereof may cause serious damage and influence to the power system and users, so that the on-line monitoring and diagnosis technology of the power transformer is particularly important.
Under the influence of a grounding electrode of high-voltage direct-current transmission, two substations at different direct-current potentials form a loop through a transmission line, direct current is introduced into a neutral point and a winding of a power transformer, so that the power transformer has a direct-current magnetic bias phenomenon, the variable noise is increased, vibration is aggravated, overheating and harmonic distortion of an alternating-current power grid is increased. Therefore, the direct current passing through the neutral point of the power transformer needs to be detected in real time, if the direct current is abnormal, the direct current can be quickly and timely reflected to the dispatching, and the influence of the direct current on the transformer is mastered and controlled in this way.
However, the existing power transformer dc magnetic bias monitoring mainly monitors neutral point current, vibration, temperature and other data, the large amount of data is caused by many acquisition points and many kinds of data, and the transmission and processing of data are overloaded as a remote monitoring platform, so the monitoring frequency of the power transformer is generally not very high to reduce the amount of monitoring data, so the existing transformer dc magnetic bias monitoring data processing system is specific to global and large-batch data, and its universality causes difficulty in more refined monitoring and data processing at the background, especially when abnormal data occurs, although it is difficult to find and alarm in time, there are many inconveniences when performing maintenance, firstly, the remote monitoring platform needs to send the data processing result to the transformer substation, and field maintenance is performed by the transformer substation technicians, on one hand, the debugging and the operation on the spot are troublesome, on the other hand, short-term key monitoring and tracking are lacked after the maintenance is finished, the fault is easy to occur repeatedly, and the workload and the difficulty of the direct-current magnetic biasing maintenance of the transformer are greatly increased.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an auxiliary device for a transformer direct-current magnetic bias monitoring data processing system, which can assist the existing transformer direct-current magnetic bias monitoring data processing system to perform on-site key inspection on a transformer with abnormal direct-current magnetic bias data, a technician positions the abnormal transformer according to numbers, automatically downloads and introduces the abnormal direct-current magnetic bias data of the transformer, including historical data, performs data processing, simulates direct-current magnetic bias correction, unlocks and separates a sub-correction director, quickly installs the sub-correction director on a direct-current magnetic bias corrector on the transformer by utilizing the principle of a magnetic type interface, calculates and guides magnetic bias correction in a short period after maintenance, simultaneously collects direct-current magnetic bias data of the transformer at high frequency for key monitoring, and recovers the direct-current magnetic bias data of the transformer within a reasonable range within a certain time by a technician, the method provides a convenient maintenance mode for processing the direct current magnetic bias monitoring data, and obviously reduces the cost and the monitoring workload.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An auxiliary device for a transformer direct-current magnetic biasing monitoring data processing system comprises a primary independent monitoring director, wherein a main controller module is installed in the primary independent monitoring director, a liquid crystal operation screen connected with the main controller module is installed at the front end of the primary independent monitoring director, the main controller module is connected with a main power supply module, a data storage module and a data acquisition module are connected onto the main controller module, the data acquisition module is connected with a wireless transmission module, the wireless transmission module is connected with an information integration platform, the information integration platform is connected with a station control center, the station control center is connected with a direct-current magnetic biasing monitoring IED, the direct-current magnetic biasing monitoring IED is connected with a sensor module installed on a transformer, a plurality of uniformly distributed separation grooves are formed in the right end of the primary independent monitoring director, and electric push rods are fixedly installed at the inner ends of the separation grooves, the output end of the electric push rod is fixedly connected with a separation groove, a sub-correction director is installed at the front end of the separation groove, the sub-correction director is connected with a direct-current magnetic biasing corrector, a magnetic biasing correction circuit is installed in the direct-current magnetic biasing corrector, and the magnetic biasing correction circuit is connected to the original edge of the transformer.
Further, install the sub-controller module in the sub-correction director, be connected with wireless communication module between sub-controller module and the main control unit module, be connected with vice power module and data processing module on the sub-controller module, make things convenient for to establish wireless communication between mother's independent monitoring director and the sub-correction director and be connected, avoid wiring cost and trouble, mother's independent monitoring director plays the effect of independent key monitoring, and sub-correction director then is used for the transformer direct current magnetic biasing of on-the-spot multiple spot to rectify and guides the optimization, ensures that it is located the optimum range.
Further, sub-correction director one end fixedly connected with installation lug, installation lug keeps away from sub-correction director one end and installs electric connection plug and a pair of electro-magnet, and a pair of electro-magnet is about electric connection plug symmetric distribution, electric connection plug and electro-magnet all are connected with sub-controller module, installation lug one end fixedly connected with assorted elastic expansion piece is kept away from to the electro-magnet, direct current magnetic biasing corrector and mounting panel one end all open chisel have with installation lug assorted cooperation recess, cooperation recess bottom wall mounting have with electric connection plug electric connection's electric connection slot to chisel have a pair ofly with electro-magnet assorted trigger slot, electric connection slot keeps away from electric connection plug one end and is connected with magnetic biasing correction circuit, both made things convenient for sub-correction director's separation and recovery on the one hand, on the other hand can directly realize quick installation with the cooperation of direct current magnetic biasing corrector and dismantle, the data exchange and charging can be realized, and the operation is simple.
Further, electricity links the interior bonding of slot and has the nonporous protection gasbag in center, it has the annular groove to cut on the electricity links the slot lateral wall, it has the storage gasbag that communicates each other with protection gasbag to bond in the annular groove, can protect the electricity under normal condition to link the slot on the one hand not disturbed by external force and destruction, on the other hand also can prevent that the electricity leakage phenomenon from appearing in the electricity link slot.
Further, protection gasbag and storage gasbag all adopt the elastic rubber material, and the flexible magnetic sheet of a plurality of laminating of internal surface fixedly connected with, flexible magnetic sheet is 0.08 mm's ferrite piece, and protection gasbag and storage gasbag can respond the magnetic attraction of electro-magnet just, and the protection gasbag contracts to electric connection slot lateral wall, and the storage gasbag expands to the ring channel lateral wall, forces gaseous quick transfer to make things convenient for electric connection plug to insert and establish with electric connection slot on the one hand, and on the other hand can guarantee that the protection gasbag can not disturb the connection production of electric connection plug on electric connection slot lateral wall by laminating completely, improves electric connection's stability and security.
Furthermore, inert gas is filled in the protective air bag, the inert gas is carbon dioxide or nitrogen with the filling amount of 110% -120% of the volume of the protective air bag, the inert gas is more favorable for carrying out double protection of insulation and flame retardance on an electric connection position, meanwhile, the protective air bag is easily forced to expand under the filling amount to fully realize full wrapping protection on the electric connection slot position, the gap protection is not in place easily under the low filling amount, and the danger of expansion and breakage of the protective air bag easily occurs under the high filling amount.
Furthermore, the elastic telescopic piece adopts elastic metal or plastic lamination, and the shrinkage keeps unanimous with electric connection plug length, the elastic telescopic piece is close to electro-magnet one end internally mounted and has pressure sensor, and pressure sensor and sub-controller module signal connection, plays the effect that triggers installation signal, convenient and fast practices thrift installation time.
Further, fingerprint identification ware and surveillance camera head are still installed to female independent monitoring director front end, and fingerprint identification ware and surveillance camera head all are connected with main controller module, improve the security that female independent monitoring director used, must be by professional can the unblock use, are favorable to carrying out the person of blazing simultaneously and make.
Furthermore, the IRIG-B code generator is connected with a GPS satellite, so that high-precision time synchronism of transformer direct-current magnetic bias monitoring is facilitated, and synchronous acquisition and transmission of data are facilitated.
Furthermore, the master independent monitoring director improves the frequency to collect the direct current magnetic biasing data of the transformer provided with the direct current magnetic biasing corrector, the direct current magnetic biasing data comprises but is not limited to temperature, vibration, noise and neutral point current data, key high-frequency monitoring except normal transformer monitoring can be conveniently carried out on an abnormal transformer, a large number of data samples are provided, the data processing precision is improved, and secondary abnormity or faults after transformer maintenance can be timely found.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can realize the auxiliary existing transformer direct current magnetic bias monitoring data processing system, carries out on-site key investigation on the transformer with abnormal direct current magnetic bias data, is positioned to the abnormal transformer by a technician according to the serial number, automatically downloads and imports the abnormal direct current magnetic bias data of the transformer, comprises historical data, simulates direct current magnetic bias correction after data processing, takes off a sub-correction director through unlocking and separating, quickly installs the sub-correction director on a direct current magnetic bias corrector on the transformer by utilizing the principle of a magnetic type interface, calculates and directs the magnetic bias correction in a short period after maintenance, simultaneously collects the direct current magnetic bias data of the transformer at high frequency for key monitoring, and has the technical personnel to recover after the direct current magnetic bias data of the transformer is in a reasonable range within a certain time, thereby providing a very convenient maintenance mode for the direct current magnetic bias monitoring data processing, the cost and the monitoring workload are obviously reduced.
(2) Install the sub-controller module in the sub-correction director, be connected with wireless communication module between sub-controller module and the main control unit module, be connected with vice power module and data processing module on the sub-controller module, make things convenient for to establish wireless communication between mother's independent monitoring director and the sub-correction director and connect, avoid wiring cost and trouble, mother's independent monitoring director plays the effect of independent key monitoring, sub-correction director is then used for the transformer direct current magnetic biasing of on-the-spot multiple spot to rectify and guide the optimization, ensure that it is located the optimum range.
(3) One end of the sub-correction director is fixedly connected with an installation lug, one end of the installation lug, far away from the ion correction director, is provided with an electric connection plug and a pair of electromagnets, the pair of electromagnets are symmetrically distributed about the electric connection plug, the electric connection plug and the electromagnets are both connected with the sub-controller module, one end of the electromagnet, far away from the installation lug, is fixedly connected with a matched elastic expansion sheet, one ends of the direct-current magnetic bias director corrector and the installation plate are both provided with a matching groove matched with the installation lug, the bottom wall of the matching groove is provided with an electric connection slot electrically connected with the electric connection plug, and is provided with a pair of trigger slots matched with the electromagnets, one end of the electric connection slot, far away from the electric connection plug, is connected with the magnetic bias correction circuit, on one hand, the separation and the recovery of the sub-correction director are convenient, on the other hand, the direct, the operation is simple.
(4) The protection gasbag that the electricity links the slot in bonding has the centre to have no hole, cuts open on the electricity links the slot lateral wall and has the annular groove, bonds in the annular groove and has the storage gasbag that communicates each other with the protection gasbag, can protect the electricity to link the slot on the one hand not disturbed by external force and destruction under normal condition, on the other hand also can prevent that the electricity leakage phenomenon from appearing in the electricity link slot.
(5) Protection gasbag and storage gasbag all adopt the elastic rubber material, and the flexible magnetic sheet of a plurality of laminating of interior fixed surface connection, flexible magnetic sheet is 0.08 mm's ferrite piece, protection gasbag and storage gasbag can respond the magnetic attraction of electro-magnet just, protection gasbag is to the shrink of electricity connection slot lateral wall, the storage gasbag expands to the ring channel lateral wall, force gaseous quick transfer to make things convenient for the electricity to connect the plug to insert and establish with electricity connection slot on the one hand, on the other hand can guarantee that protection gasbag is the complete laminating can not produce the interference to the connection of electricity connection plug on electricity connection slot lateral wall, improve the stability and the security of electricity even.
(6) The protection air bag is filled with inert gas, the inert gas is carbon dioxide or nitrogen with the filling amount of 110% -120% of the volume of the protection air bag, the inert gas is more favorable for insulating and flame-retardant double protection of an electric connection position, meanwhile, the protection air bag is easily forced to expand under the filling amount to fully realize full-wrapping protection of the electric connection slot position, the filling amount is low, the gap protection is not in place easily, and the risk that the protection air bag is broken due to expansion easily occurs due to the high filling amount.
(7) Elastic expansion piece adopts elastic metal or plastics lamination, and the shrinkage keeps unanimous with electric connection plug length, and elastic expansion piece is close to electro-magnet one end internally mounted and has pressure sensor, and pressure sensor and sub-controller module signal connection play the effect of triggering installation signal, and convenient and fast practices thrift installation time.
(8) The fingerprint recognizer and the monitoring camera are further installed at the front end of the female independent monitoring director and are connected with the main controller module, the use safety of the female independent monitoring director is improved, the female independent monitoring director can be unlocked and used by professional technicians, and meanwhile responsibility to people is facilitated.
(9) And the IRIG-B code generator is connected with a GPS satellite, so that high-precision time synchronism of transformer direct-current magnetic bias monitoring is realized, and synchronous acquisition and transmission of data are facilitated.
(10) The master independent monitoring director improves frequency and collects direct-current magnetic biasing data of a transformer provided with the direct-current magnetic biasing corrector, the direct-current magnetic biasing data comprises but is not limited to temperature, vibration, noise and neutral point current data, key high-frequency monitoring of an abnormal transformer is facilitated, the abnormal transformer is separated from normal transformer monitoring, a large number of data samples are provided, data processing precision is improved, and secondary abnormity or faults after transformer maintenance can be found in time.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural diagram of a DC bias corrector according to the present invention;
FIG. 4 is a schematic view of the internal structure of a portion of the present invention;
FIG. 5 is a schematic view of the mounting plate and the sub-alignment guide of the present invention in a separated state;
FIG. 6 is a schematic view of the structure of the mounting plate and the sub-alignment guide in the assembled state;
FIG. 7 is a schematic view of the structure at A in FIG. 5;
FIG. 8 is a schematic view of the structure at B in FIG. 6;
FIG. 9 is a block schematic diagram of the parent independent monitoring director and child calibration director of the present invention.
The reference numbers in the figures illustrate:
the system comprises a 1-bus independent monitoring director, a 2-liquid crystal operating screen, a 3-information integrated platform, a 4-station control center, a 5-DC magnetic biasing monitoring IED, a 6-sensor module, a 7GPS satellite, an 8-separation groove, a 9-DC magnetic biasing corrector, a 10-mounting plate, a 11-sub correction director, a 12-electric push rod, a 13-mounting bump, a 14-electromagnet, a 15-electric connecting plug, a 16-matching groove, a 17-electric connecting slot, a 18-triggering groove, a 19-elastic expansion sheet, a 20-protection air bag, a 21-annular groove, a 22-storage air bag, a 23-fingerprint recognizer, a 24-monitoring camera, a 25-main-controller module, a 26-main-power-supply module, a 27-wireless-communication module, a 28-sub-controller module, a 29-sub-power-supply module, a 30-data-storage module.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
Example 1:
referring to fig. 1, an accessory device for a transformer dc magnetic biasing monitoring data processing system comprises a primary independent monitoring director 1, a primary controller module 25 is installed in the primary independent monitoring director 1, a liquid crystal operation screen 2 connected with the primary controller module 25 is installed at the front end of the primary independent monitoring director 1, which not only can visually display transformer monitoring data and data processing results, but also facilitates technicians to perform a series of operations such as unlocking a sub-calibration director 11, including human-computer interaction of control instructions of the primary controller module 25, the primary controller module 25 is connected with a primary power supply module 26, the primary controller module 25 is connected with a data storage module 30 and a data acquisition module 31, the data acquisition module 31 is connected with a wireless transmission module 32, the wireless transmission module 32 is connected with an information integration platform 3, the information integration platform 3 is connected with a station control center 4, the station control center 4 is connected with a direct-current magnetic biasing monitoring IED5, the direct-current magnetic biasing monitoring IED5 is connected with a sensor module 6 installed on a transformer, the transformer 5 is connected with an IRIG-B code generator, and the IRIG-B code generator is connected with a GPS satellite 7, so that high-precision time synchronism of direct-current magnetic biasing monitoring of the transformer is achieved, and synchronous acquisition and transmission of data are facilitated.
Referring to fig. 2-4, the front end of the master independent monitoring director 1 is further installed with a fingerprint recognizer 23 and a monitoring camera 24, and the fingerprint recognizer 23 and the monitoring camera 24 are both connected with the main controller module 25, so that the use safety of the parent independent monitoring director 1 is improved, the parent independent monitoring director can be unlocked by professional technicians for use, simultaneously, the responsibility system is facilitated, a plurality of separating grooves 8 which are uniformly distributed are formed in the right end of the primary independent monitoring guider 1, an electric push rod 12 is fixedly installed at the inner end of each separating groove 8, the output end of the electric push rod 12 is fixedly connected with the separating groove 8, a secondary correction guider 11 is installed at the front end of each separating groove 8, the secondary correction guider 11 is connected with a direct-current magnetic bias corrector 9 and plays a role in open-loop control, a magnetic bias correction circuit is installed in the direct-current magnetic bias corrector 9, and the magnetic bias correction circuit is connected to the primary side of the transformer.
Referring to fig. 9, a sub-controller module 28 is installed in the sub-correction director 11, a wireless communication module 27 is connected between the sub-controller module 28 and the main controller module 25, and a sub-power module 29 and a data processing module 33 are connected to the sub-controller module 28, so that a wireless communication connection is conveniently established between the main independent monitoring director 1 and the sub-correction director 11, and thus, the wiring cost and trouble are avoided, the main independent monitoring director 1 plays a role of independent key monitoring, and the sub-correction director 11 is used for guiding and optimizing the on-site multipoint direct current bias correction of the transformer, and is ensured to be located in an optimal range.
Referring to fig. 5-8, an end of the sub-calibration guide 11 is fixedly connected with a mounting protrusion 13, an end of the mounting protrusion 13 away from the sub-calibration guide 11 is mounted with an electrical connection plug 15 and a pair of electromagnets 14, the pair of electromagnets 14 are symmetrically distributed about the electrical connection plug 15, the electrical connection plug 15 and the electromagnets 14 are both connected with the sub-controller module 28, an end of the electromagnet 14 away from the mounting protrusion 13 is fixedly connected with a matched elastic expansion piece 19, one ends of the dc magnetic bias corrector 9 and the mounting plate 10 are both provided with a matching groove 16 matched with the mounting protrusion 13, the bottom wall of the matching groove 16 is mounted with an electrical connection slot 17 electrically connected with the electrical connection plug 15, and is provided with a pair of trigger slots 18 matched with the electromagnets 14, one end of the electrical connection slot 17 away from the electrical connection plug 15 is connected with the magnetic bias correction circuit, on one hand, separation and recovery of the sub-calibration, on the other hand can directly cooperate with the DC magnetic bias corrector 9 to realize quick installation and disassembly, can realize data exchange and charging, the operation is simple, the protective air bag 20 without a hole at the center is adhered in the electric connection slot 17, the annular groove 21 is cut on the side wall of the electric connection slot 17, the storage air bag 22 mutually communicated with the protective air bag 20 is adhered in the annular groove 21, the electric connection slot 17 can be protected from being interfered and damaged by external force under normal state, on the other hand, the electric leakage phenomenon of the electric connection slot 17 can be prevented, the protective air bag 20 and the storage air bag 22 are both made of elastic rubber materials, the inner surface is fixedly connected with a plurality of adhered flexible magnetic sheets, the flexible magnetic sheets are ferrite sheets of 0.08mm, the protective air bag 20 and the storage air bag 22 can just respond to the magnetic attraction force of the electromagnet 14, the protective air bag 20 contracts towards the side wall of the electric connection slot 17, the storage air, force gaseous quick transfer to make things convenient for electric connection plug 15 to insert and establish with electric connection slot 17 and be connected on the one hand, on the other hand can guarantee that protection gasbag 20 is the laminating completely can not be to the connection production interference of electric connection plug 15 on electric connection slot 17 lateral wall, improve the stability and the security of electric connection, protection gasbag 20 intussuseption is filled with inert gas, inert gas is 110% -120% protection gasbag 20 volumetric carbon dioxide or nitrogen gas for the filling volume, inert gas is more favorable to carrying out insulating and fire-retardant dual protection to the electric connection department, force protection gasbag 20 inflation fully to realize full parcel protection to electric connection slot 17 department easily under this filling volume simultaneously, the low gap protection that appears in place easily of filling volume, the danger that protection gasbag 20 rises brokenly appears in the filling volume height easily.
The master independent monitoring director 1 improves the frequency to collect the direct current magnetic biasing data of the transformer provided with the direct current magnetic biasing corrector 9, the direct current magnetic biasing data comprises but is not limited to temperature, vibration, noise and neutral point current data, key high-frequency monitoring of an abnormal transformer is convenient to be separated from normal transformer monitoring, a large number of data samples are provided, the data processing precision is improved, and secondary abnormity or faults after transformer maintenance can be found in time.
The invention can realize the auxiliary existing transformer DC magnetic bias monitoring data processing system, the transformer with abnormal DC magnetic bias data is mainly checked on site, the technical personnel can automatically download and import the abnormal DC magnetic bias data of the transformer including historical data after positioning the abnormal transformer according to the serial number, the analog DC magnetic bias correction is carried out after the data processing, the sub-correction director is detached through unlocking, the sub-correction director is rapidly installed on the DC magnetic bias corrector on the transformer by utilizing the principle of the magnetic type interface, the calculation and the guidance are carried out on the magnetic bias correction in a short period after the maintenance, simultaneously the DC magnetic bias data of the transformer is collected at high frequency for the key monitoring, the technical personnel can recover the DC magnetic bias data of the transformer in a reasonable range within a certain time, and a very convenient maintenance mode is provided for the DC magnetic bias monitoring data processing, the cost and the monitoring workload are obviously reduced.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. An auxiliary equipment for a transformer direct current magnetic bias monitoring data processing system is characterized in that: the intelligent monitoring system comprises a master independent monitoring director (1), a master controller module (25) is installed in the master independent monitoring director (1), a liquid crystal operation screen (2) connected with the master controller module (25) is installed at the front end of the master independent monitoring director (1), the master controller module (25) is connected with a main power supply module (26), the master controller module (25) is connected with a data storage module (30) and a data acquisition module (31), the data acquisition module (31) is connected with a wireless transmission module (32), the wireless transmission module (32) is connected with an information integration platform (3), the information integration platform (3) is connected with a station control center (4), the station control center (4) is connected with a direct current magnetic biasing monitoring IED (5), and the direct current magnetic biasing monitoring IED (5) is connected with a sensor module (6) installed on a transformer, division groove (8) that female independent monitoring director (1) right-hand member was dug has a plurality of evenly distributed, fixed mounting has electric putter (12) in division groove (8) inner, the output fixedly connected with division groove (8) of electric putter (12), sub-correction director (11) are installed to division groove (8) front end, sub-correction director (11) are connected with direct current magnetic biasing corrector (9), install magnetic biasing correction circuit in direct current magnetic biasing corrector (9), magnetic biasing correction circuit connects in the primary edge of transformer.
2. The accessory equipment for the transformer direct-current magnetic bias monitoring data processing system according to claim 1, wherein: install sub controller module (28) in sub correction director (11), be connected with wireless communication module (27) between sub controller module (28) and main controller module (25), be connected with vice power module (29) and data processing module (33) on sub controller module (28).
3. The accessory equipment for the transformer DC magnetic bias monitoring data processing system according to claim 2, wherein: the sub-correction director (11) one end fixedly connected with installation lug (13), installation lug (13) are kept away from sub-correction director (11) one end and are installed electric connection plug (15) and a pair of electro-magnet (14), and a pair of electro-magnet (14) are about electric connection plug (15) symmetric distribution, electric connection plug (15) and electro-magnet (14) all are connected with sub-controller module (28), installation lug (13) one end fixedly connected with assorted elastic expansion piece (19) are kept away from electro-magnet (14), direct current magnetic biasing corrector (9) and mounting panel (10) one end are all opened and are dug have with installation lug (13) assorted cooperation recess (16), install on cooperation recess (16) diapire with electric connection plug (15) electric connection's electric connection slot (17) to dig have a pair of trigger slot (18) with electro-magnet (14) assorted, one end of the electric connection slot (17) far away from the electric connection plug (15) is connected with the magnetic biasing correction circuit.
4. The accessory equipment for the transformer DC magnetic bias monitoring data processing system according to claim 3, wherein: the utility model discloses an electric connection slot, including electric connection slot (17), electric connection slot (17) internal bonding has the porous protection gasbag (20) in center, it has annular groove (21) to cut on electric connection slot (17) lateral wall, the internal bonding of annular groove (21) has the storage gasbag (22) that communicate each other with protection gasbag (20).
5. The accessory equipment for the transformer DC magnetic bias monitoring data processing system according to claim 4, wherein: protection gasbag (20) and storage gasbag (22) all adopt the elastic rubber material, and the flexible magnetic sheet of a plurality of laminating of internal surface fixedly connected with, flexible magnetic sheet is 0.08 mm's ferrite piece.
6. The accessory equipment for the transformer DC magnetic bias monitoring data processing system according to claim 4, wherein: inert gas is filled in the protective air bag (20), and the inert gas is carbon dioxide or nitrogen with the filling amount of 110-120% of the volume of the protective air bag (20).
7. The accessory equipment for the transformer DC magnetic bias monitoring data processing system according to claim 3, wherein: elastic expansion piece (19) adopt elastic metal or plastics lamination, and the shrinkage keeps unanimous with electric connection plug (15) length, elastic expansion piece (19) are close to electro-magnet (14) one end internally mounted and are had pressure sensor (34), and pressure sensor (34) and sub-controller module (28) signal connection.
8. The accessory equipment for the transformer direct-current magnetic bias monitoring data processing system according to claim 1, wherein: fingerprint identification ware (23) and surveillance camera head (24) are still installed to female independent monitoring director (1) front end, and fingerprint identification ware (23) and surveillance camera head (24) all are connected with main control unit module (25).
9. The accessory equipment for the transformer direct-current magnetic bias monitoring data processing system according to claim 1, wherein: and the (5) is connected with an IRIG-B code generator, and the IRIG-B code generator is connected with a GPS satellite (7).
10. The accessory equipment for the transformer direct-current magnetic bias monitoring data processing system according to claim 1, wherein: the master independent monitoring director (1) improves the frequency to acquire the direct current magnetic bias data of the transformer provided with the direct current magnetic bias corrector (9), and the direct current magnetic bias data comprises but is not limited to temperature, vibration, noise and neutral point current data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010079801.7A CN111198336B (en) | 2020-02-04 | 2020-02-04 | Auxiliary equipment for transformer direct-current magnetic bias monitoring data processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010079801.7A CN111198336B (en) | 2020-02-04 | 2020-02-04 | Auxiliary equipment for transformer direct-current magnetic bias monitoring data processing system |
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| CN111198336A true CN111198336A (en) | 2020-05-26 |
| CN111198336B CN111198336B (en) | 2022-04-26 |
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| CN202010079801.7A Active CN111198336B (en) | 2020-02-04 | 2020-02-04 | Auxiliary equipment for transformer direct-current magnetic bias monitoring data processing system |
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| CN111198336B (en) | 2022-04-26 |
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