CN110995845A - Power transformer defect detection system - Google Patents

Power transformer defect detection system Download PDF

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Publication number
CN110995845A
CN110995845A CN201911256081.0A CN201911256081A CN110995845A CN 110995845 A CN110995845 A CN 110995845A CN 201911256081 A CN201911256081 A CN 201911256081A CN 110995845 A CN110995845 A CN 110995845A
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China
Prior art keywords
output
data
input
bidirectional connection
power transformer
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Pending
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CN201911256081.0A
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Chinese (zh)
Inventor
杜继林
刘自力
赵伟岭
赵建锋
翟学峰
刘宗耀
闫建锋
安伟伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201911256081.0A priority Critical patent/CN110995845A/en
Publication of CN110995845A publication Critical patent/CN110995845A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Computing Systems (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a power transformer defect detection system which comprises a UPS (uninterrupted power supply), a data communication module and a network management center, wherein the UPS is in bidirectional connection with the data communication module, the data communication module is in bidirectional connection with the network management center, the network management center is in bidirectional connection with a detection mobile terminal, the network management center is in bidirectional connection with a transformer monitoring system, the transformer monitoring system comprises a central processing unit, the central processing unit is in bidirectional connection with a power networking module, and the central processing unit is in bidirectional connection with a registering module. The power transformer defect detection system solves the problems that an existing power transformer is often unstable when in use, but does not have a corresponding power transformer detection system, so that the existing power transformer is unsafe to use, and a circuit system is long compared, so that a lot of dangerous conditions can occur in the process of power transmission, but the power transformer cannot feed back quickly.

Description

Power transformer defect detection system
Technical Field
The invention relates to the technical field of power transformers, in particular to a power transformer defect detection system.
Background
Power transformers are one of the core devices of production plants and substations. The transformer has the advantages that the transformer is used in many aspects, the voltage can be increased to transmit electric energy to an electricity utilization area, and the voltage can be reduced to various levels of service voltages, so that the electricity utilization requirement of each household is met. In general, both the step-up and step-down must be accomplished by a transformer. During the process of delivering electric energy in an electric power transmission system, a certain amount of electric loss is necessarily generated, and under the condition of delivering the same power, the voltage loss is inversely proportional to the voltage, and the power loss is inversely proportional to the square of the voltage. The voltage is increased by the transformer, and the loss caused by power transmission can be effectively reduced.
When the existing power transformer is used, an unstable phenomenon often occurs, sometimes explosion occurs, but a corresponding power transformer detection system is not available, so that the existing power transformer is unsafe to use, and because a circuit system is relatively long, power can occur in the transmission process, so that real-time detection needs to be performed on the power system and the power transformer, and therefore a power transformer defect detection system is urgently needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a power transformer defect detection system, which solves the problems that the existing power transformer is often unstable and sometimes explodes when in use, but the existing power transformer is unsafe to use due to the fact that a corresponding power transformer detection system is not available, and the existing power transformer is dangerous due to the fact that a circuit system is long, and the power cannot be fed back quickly when in transmission.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a power transformer defect detection system comprises a UPS continuous power supply, a data communication module and a network management center, the UPS continuous power supply is in bidirectional connection with the data communication module, the data communication module is in bidirectional connection with the network management center, the network management center is in bidirectional connection with the detection mobile terminal, the network management center is in bidirectional connection with the transformer monitoring system, the transformer monitoring system comprises a central processing unit which is in bidirectional connection with the power networking module, the central processor is connected with the register module in a bidirectional way, the register module is connected with the information storage module in a bidirectional way, the central processing unit is connected with the alarm unit in a bidirectional mode, the input end of the alarm unit is connected with the output end of the feedback element, and the output end of the feedback element is connected with the input end of the power networking module.
Preferably, the alarm unit includes smog warning, temperature-sensing, humidity response and warning light, central processing unit's output is connected with smog warning's input, smog warning's output is connected with the input of warning light, the warning light includes yellow warning light, red warning light and purple warning light.
Preferably, the output end of the central processing unit is connected with the input end of the temperature sensor, the output end of the central processing unit is connected with the input end of the warning lamp, the output end of the central processing unit is connected with the input end of the temperature sensor, the output end of the temperature sensor is connected with the input end of the warning lamp, and the input end of the alarm unit is connected with the output end of the feedback element.
Preferably, the network management center comprises a server main processor, the server main processor is in bidirectional connection with a data management system, the data management system is in bidirectional connection with the high-efficiency data communication module, and the server main processor is in bidirectional connection with the display unit.
Preferably, the server main processor is in bidirectional connection with the information prompting unit, the information prompting unit is in bidirectional connection with the high-efficiency data communication module, the input end of the server main processor is connected with the output end of the input editing module, and the server main processor is in bidirectional connection with the circulating unit.
Preferably, an input end of the circulation unit is connected with an output end of the information storage module, an input end of the information storage module is connected with an output end of the server main processor, and an input end of the server main processor is connected with an output end of the control element.
Preferably, the transformer monitoring system comprises a feedback element, the feedback element is provided with a first transformer sensor, a first transformer sensor and a first transformer sensor, and the data communication module uploads the data to the network management center through communication modes such as Modem data, short messages, NB-IOT, WIFI and Bluetooth.
Preferably, the data transceiver comprises an auxiliary processor, an output end of the auxiliary processor is connected with an input end of the data encryptor, and an output end of the data encryptor is connected with an input end of the data transmitter.
Preferably, the output end of the data transmitter is connected with the output end of the antenna, the output end of the antenna is connected with the input end of the amplifier, and the output end of the amplifier is connected with the input end of the data receiver.
Preferably, the output end of the data receiver is connected with the input end of the data converter, and the output end of the data converter is connected with the input end of the auxiliary processor.
(III) advantageous effects
The invention provides a power transformer defect detection system. Compared with the prior art, the method has the following beneficial effects:
(1) the power transformer defect detection system realizes bidirectional connection between the UPS and the data communication module through the UPS continuous power supply, the data communication module and the network management center, realizes bidirectional connection between the network management center and the detection mobile terminal, and realizes bidirectional connection between the network management center and the transformer monitoring system, wherein the transformer monitoring system comprises a Central Processing Unit (CPU) which realizes bidirectional connection with a power networking module, a Central Processing Unit (CPU) which realizes bidirectional connection with a register module, a register module which realizes bidirectional connection with an information storage module, a central processing unit which realizes bidirectional connection with an alarm unit, the input end of the alarm unit is connected with the output end of a feedback element, and the output end of the feedback element is connected with the input end of the power networking module, thereby solving the problem that the existing power transformer is often unstable when in use, sometimes, explosion happens, but a corresponding power transformer detection system is not available, so that the existing power transformer is unsafe to use, and because a circuit system is long, a lot of dangerous situations can occur in the power transmission process, but the power cannot be fed back quickly.
(2) The power transformer defect detection system comprises a smoke alarm, a temperature sensor, a humidity sensor and a warning lamp in an alarm unit, wherein the output end of a central processing unit is connected with the input end of the smoke alarm, the output end of the smoke alarm is connected with the input end of the warning lamp, the output end of the central processing unit is connected with the input end of the temperature sensor, the output end of the central processing unit is connected with the input end of the warning lamp, the output end of the central processing unit is connected with the input end of the temperature sensor, the output end of the temperature sensor is connected with the input end of the warning lamp, the input end of the alarm unit is connected with the output end of a feedback, solves the problems of inconvenient monitoring equipment, laggard alarm system and less classification facilities of the alarm inductor when in use, the alarm unit can be used for rapidly alarming the inside of the communication equipment, so that the use is more convenient.
(3) The power transformer defect detection system comprises a server main processor in a network management center, the server main processor is in bidirectional connection with a data management system, the data management system is in bidirectional connection with a high-efficiency data communication module, the server main processor is in bidirectional connection with a display unit, the server main processor is in bidirectional connection with an information prompt unit, the information prompt unit is in bidirectional connection with the high-efficiency data communication module, the input end of the server main processor is connected with the output end of an input editing module, the server main processor is in bidirectional connection with a circulating unit, the input end of the circulating unit is connected with the output end of an information storage module, the input end of the information storage module is connected with the output end of the server main processor, the input end of the server main processor is connected with the output end of a control element, and information of an alarm system can be quickly integrated through the And processing, the information can be arranged and transmitted through the high-speed communication module through the matching of the server main processor and the information management module.
(4) This power transformer defect detecting system, through including the auxiliary processor at data transceiver, the output of auxiliary processor is connected with the input of data encryption ware, the output of data encryption ware is connected with the input of data sender, the output of data sender is connected with the output of antenna, the output of antenna is connected with the input of amplifier, the output of amplifier is connected with the input of data receiver, the output of data receiver is connected with the input of data converter, the output of data converter is connected with the input of auxiliary processor, current data acquisition device has been solved, can not treat the receiving terminal with the quick transmission of data, make data processing speed reduce, the problem of unable satisfaction requirement, make the device can increase substantially the processing speed of information data.
Drawings
FIG. 1 is a schematic block diagram of the architecture of the system of the present invention;
FIG. 2 is a schematic block diagram of the transformer monitoring system according to the present invention;
FIG. 3 is a schematic block diagram of the alarm unit of the present invention;
FIG. 4 is a schematic block diagram of the network management center according to the present invention;
FIG. 5 is a schematic block diagram of the structure of the feedback element system of the present invention;
FIG. 6 is a schematic block diagram of the structure of a system for detecting a mobile terminal according to the present invention;
fig. 7 is a structural schematic block diagram of the warning light system of the present invention.
In the figure, 1-UPS continuous power supply, 2-data communication module, 3-network management center, 4-transformer monitoring system, 5-detection mobile terminal, 6-central processing unit, 7-power networking module, 8-register module, 9-information storage module, 10-alarm unit, 11-feedback element, 111-first transformer sensor, 112-second transformer sensor, 113-third transformer sensor, 114-fourth transformer sensor, 12-smoke alarm, 13-temperature induction, 14-humidity induction, 15-alarm lamp, 151-yellow alarm lamp, 152-red alarm lamp, 153-purple alarm lamp, 16-server main processor, 17-data management system, 18-input editing module, 19-circulation unit, 20-control element, 22-high-efficiency data communication module, 23-display unit, 24-information prompting unit, 25-auxiliary processor, 26-data encryptor, 27-data transmitter, 28-antenna, 29-amplifier, 30-data receiver and 31-data converter.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a power transformer defect detection system comprises a UPS (uninterrupted power supply) 1, a data communication module 2 and a network management center 3, wherein the UPS 1 is bidirectionally connected with the data communication module 2, the data communication module 2 is bidirectionally connected with the network management center 3, the network management center 3 is bidirectionally connected with a detection mobile terminal 5, the network management center 3 is connected with a transformer monitoring system 4, the transformer monitoring system 4 comprises a central processing unit 6, the central processing unit 6 is bidirectionally connected with a power networking module 7, the central processing unit 6 is bidirectionally connected with a register module 8, the register module 8 is bidirectionally connected with an information storage module 9, the central processing unit 6 is bidirectionally connected with an alarm unit 10, the input end of the alarm unit 10 is connected with the output end of a feedback element 11, the output end of the feedback element 11 is connected with the input end of the power networking module 7, the problem of current power transformer when using, the unstable phenomenon often can appear, can explode sometimes, but does not have corresponding power transformer detecting system, leads to current power transformer to use insecurely, because circuit system compares the corridor length, power can appear many dangerous situations in the in-process of transmission, but can not feedback relatively fast is solved.
The alarm unit 10 comprises a smoke alarm 12, a temperature sensor 13, a humidity sensor 14 and a warning lamp 15, wherein the output end of the central processing unit 6 is connected with the input end of the smoke alarm 12, and the output end of the smoke alarm 12 is connected with the input end of the warning lamp 15.
The output of central processing unit 6 is connected with temperature-sensing 13's input, central processing unit 6's output is connected with warning light 15's input, central processing unit 6's output is connected with temperature-sensing 13's input, temperature-sensing 13's output is connected with warning light 15's input, warning light 15 includes yellow warning light 151, red warning light 152 and purple warning light 153, alarm unit 10's input is connected with feedback element 11's output, in use, it is inconvenient to have solved supervisory equipment, alarm system is relatively laggard behind, the less problem of warning inductor classified facilities during the use, through the warning that the inside ability of using alarm unit 10 with communication equipment is quick, it is more convenient during the use.
The network management center 3 comprises a server main processor 16, the server main processor 16 is in bidirectional connection with a data management system 17, the data management system 17 is in bidirectional connection with a high-efficiency data communication module 22, and the server main processor 16 is in bidirectional connection with a display unit 23.
The server main processor 16 is connected with the information prompting unit 24 in a bidirectional mode, the information prompting unit 24 is connected with the high-efficiency data communication module 22 in a bidirectional mode, the input end of the server main processor 16 is connected with the output end of the input editing module 18, and the server main processor 16 is connected with the circulating unit 19 in a bidirectional mode.
The input end of the circulation unit 19 is connected with the output end of the information storage module 9, the input end of the information storage module 9 is connected with the output end of the server main processor 16, the input end of the server main processor 16 is connected with the output end of the control element 20, the information of the alarm system can be quickly integrated and processed through the server main processor 16 and the data management system 17 of the network management center 3, the information can be arranged and transmitted through the efficient data communication module 22 through the cooperation of the server main processor 16 and the data management system 17.
The transformer monitoring system 4 comprises a feedback element 11, the feedback element 11 is provided with a first transformer sensor 111, a first transformer sensor 112, a first transformer sensor 113 and a first transformer sensor 114, and the data communication module 2 uploads data of a Modem, a short message, an NB-IOT, WIFI, Bluetooth and other communication modes to the network management center 3.
The data transceiver 3 comprises a secondary processor 25, an output of the secondary processor 25 being connected to an input of a data encryptor 26, an output of the data encryptor 26 being connected to an input of a data transmitter 27.
An output of the data transmitter 27 is connected to an output of the antenna 28, an output of the antenna 28 is connected to an input of an amplifier 29, and an output of the amplifier 29 is connected to an input of a data receiver 30.
The output end of the data receiver 30 is connected with the input end of the data converter 31, the output end of the data converter 31 is connected with the input end of the auxiliary processor 25, the problem that the existing data acquisition device cannot transmit data to a receiving end quickly, so that the data processing speed is reduced, the requirement cannot be met is solved, and the processing speed of the device can be greatly improved.
When the transformer monitoring system works, the transformer monitoring system 4 is firstly merged into a circuit, the transformer monitoring system 4 processes information through a central processing unit 6 in communication modes such as Modem data, short messages, NB-IOT, WIFI, Bluetooth and the like, then the data of the information storage module 9 is called through the power networking module 7, the information is sent out through the power networking module 7, the data information in the transformer monitoring system 4 can pass through the server main processor 16 through the data management system 17 of the network management center 3, the data of the transformer monitoring system 4 can be stored through the information storage module 9, the system built in the network management center 3 can be self-edited through the input editing module 18, the high-efficiency data communication module 22 of the network management center 3 transmits the information of the network management center to the client 21, when in operation, the network management center 3 can pass through the display unit 23, the transformer monitoring system 4 can display information to the client 21 at any time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a power transformer defect detecting system, includes UPS continuous power supply (1), data communication module (2) and network management center (3), UPS continuous power supply (1) realizes both way junction with data communication module (2), data communication module (2) realizes both way junction with network management center (3), its characterized in that: the intelligent monitoring system is characterized in that the network management center (3) is in bidirectional connection with the detection mobile terminal (5), the network management center (3) is in bidirectional connection with the transformer monitoring system (4), the transformer monitoring system (4) comprises a central processing unit (6), the central processing unit (6) is in bidirectional connection with the power networking module (7), the central processing unit (6) is in bidirectional connection with the registering module (8), the registering module (8) is in bidirectional connection with the information storage module (9), the central processing unit (6) is in bidirectional connection with the alarm unit (10), the input end of the alarm unit (10) is connected with the output end of the feedback element (11), and the output end of the feedback element (11) is connected with the input end of the power networking module (7).
2. A power transformer fault detection system according to claim 1, wherein: alarm unit (10) are including smog warning (12), temperature-sensing (13), humidity response (14) and warning light (15), the output of central processing unit (6) is connected with the input of smog warning (12), the output of smog warning (12) is connected with the input of warning light (15), warning light (15) are including yellow warning light (151), red warning
A lamp (152) and a purple warning lamp (153).
3. A power transformer fault detection system according to claim 2, wherein: the output of central processing unit (6) is connected with the input of temperature-sensing (13), the output of central processing unit (6) is connected with the input of warning light (15), the output of central processing unit (6) is connected with the input of temperature-sensing (13), the output of temperature-sensing (13) is connected with the input of warning light (15), the input of alarm unit (10) is connected with the output of feedback component (11).
4. A power transformer fault detection system according to claim 1, wherein: the network management center (3) comprises a server main processor (16), the server main processor (16) is in bidirectional connection with a data management system (17), the data management system (17) is in bidirectional connection with a high-efficiency data communication module (22), and the server main processor (16) is in bidirectional connection with a display unit (23).
5. A power transformer fault detection system according to claim 4, wherein: the server main processor (16) is in bidirectional connection with the information prompt unit (24), the information prompt unit (24) is in bidirectional connection with the high-efficiency data communication module (22), the input end of the server main processor (16) is connected with the output end of the input editing module (18), and the server main processor (16) is in bidirectional connection with the circulating unit (19).
6. A power transformer fault detection system according to claim 5, wherein: the input end of the circulation unit (19) is connected with the output end of the information storage module (9), the input end of the information storage module (9) is connected with the output end of the server main processor (16), and the input end of the server main processor (16) is connected with the output end of the control element (20).
7. A power transformer fault detection system according to claim 1, wherein: the transformer monitoring system (4) comprises a feedback element (11), wherein the feedback element (11) is provided with a first transformer sensor (111), a first transformer sensor (112), a first transformer sensor (113) and a first transformer sensor (114), and the data communication module (2) uploads data of a Modem, short messages, NB-IOT, WIFI, Bluetooth and other communication modes to the network management center (3).
8. A power transformer fault detection system according to claim 1, wherein: the data transceiver (3) comprises an auxiliary processor (25), an output end of the auxiliary processor (25) is connected with an input end of a data encryptor (26), and an output end of the data encryptor (26) is connected with an input end of a data transmitter (27).
9. A power transformer fault detection system according to claim 8, wherein: the output of the data transmitter (27) is connected to the output of an antenna (28), the output of the antenna (28) is connected to the input of an amplifier (29), and the output of the amplifier (29) is connected to the input of a data receiver (30).
10. A power transformer fault detection system according to claim 9, wherein: the output end of the data receiver (30) is connected with the input end of a data converter (31), and the output end of the data converter (31) is connected with the input end of the auxiliary processor (25).
CN201911256081.0A 2019-12-10 2019-12-10 Power transformer defect detection system Pending CN110995845A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838881A (en) * 1995-07-14 1998-11-17 Electric Power Research Institute, Inc. System and method for mitigation of streaming electrification in power transformers by intelligent cooling system control
CN106655499A (en) * 2016-11-16 2017-05-10 合肥普望电子有限责任公司 Information monitoring system of smart distribution network transmission line
CN108549295A (en) * 2018-05-21 2018-09-18 安徽国电京润电力科技有限公司 A kind of power emergency automated management system
CN109686044A (en) * 2019-01-28 2019-04-26 武汉恒泰通技术有限公司 A kind of communication apparatus intelligent monitoring and alarming system
CN109708695A (en) * 2018-12-21 2019-05-03 杭州志远科技有限公司 A kind of GIS data acquisition device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838881A (en) * 1995-07-14 1998-11-17 Electric Power Research Institute, Inc. System and method for mitigation of streaming electrification in power transformers by intelligent cooling system control
CN106655499A (en) * 2016-11-16 2017-05-10 合肥普望电子有限责任公司 Information monitoring system of smart distribution network transmission line
CN108549295A (en) * 2018-05-21 2018-09-18 安徽国电京润电力科技有限公司 A kind of power emergency automated management system
CN109708695A (en) * 2018-12-21 2019-05-03 杭州志远科技有限公司 A kind of GIS data acquisition device
CN109686044A (en) * 2019-01-28 2019-04-26 武汉恒泰通技术有限公司 A kind of communication apparatus intelligent monitoring and alarming system

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Application publication date: 20200410