CN109828189A - Partial discharge on-Line Monitor Device, system and method based on ubiquitous electric power Internet of Things - Google Patents
Partial discharge on-Line Monitor Device, system and method based on ubiquitous electric power Internet of Things Download PDFInfo
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- CN109828189A CN109828189A CN201910121997.9A CN201910121997A CN109828189A CN 109828189 A CN109828189 A CN 109828189A CN 201910121997 A CN201910121997 A CN 201910121997A CN 109828189 A CN109828189 A CN 109828189A
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Abstract
The invention discloses a kind of partial discharge on-Line Monitor Device based on ubiquitous electric power Internet of Things, system and method, partial discharge on-Line Monitor Device includes shell and the magnet that is arranged on shell；The enclosure interior include CPU module, LORA communication module, ultrasonic sensor, radio wave sensor and lithium battery；The ultrasonic sensor, radio wave sensor be connected with the CPU module respectively to send the high-tension switch cabinet local discharge signal that detects；The CPU module is connected with the LORA communication module externally to be communicated；The lithium battery is connected to power with the CPU module；The partial discharge on-Line Monitor Device is adsorbed on the shell of the high-tension switch cabinet by the magnet.The present invention puts the unified management of on-Line Monitor Device by playing a game, and is able to confirm that whether high-voltage switch gear cabinet equipment is in normal operating condition, finds the weak link in its insulation in time, effectively prevents accident, ensure the full reliability service of electric system.
Description
Technical field
The present invention relates to power equipment monitoring and internet of things field, are specifically designed a kind of based on ubiquitous electric power Internet of Things
Partial discharge on-Line Monitor Device, system and method.
Background technique
High-tension switch cabinet is using extremely extensive and most quantity switchgears.Due in design, manufacture, installation and operation
The problem of maintenance etc. various degrees, thus accident rate is relatively high, such as in the switchgear accident of many properties
Insulation fault mostly occurs in 10 kilovolts and above, caused by consequence it is also very serious.Especially trolley type switch cabinet, absolutely
The phenomenon that edge accident rate is higher, and often one accident occurs, brings disaster to adjacent cabinet is more prominent.
Shelf depreciation is one of dielectric electrical discharge phenomenon, and this electric discharge is only limited in one in measured medium
Bridge the insulation between conductor locally, the neighbouring of conductor may occur or may not betide for this electric discharge.Electric power
It is generally existing in high-voltage isulation ask that shelf depreciation occurs under the action of strong electrical field for certain weak parts in apparatus insulated
Topic.Although shelf depreciation will not generally cause the penetrability breakdown of insulation, can leading to dielectric, (especially Organic Electricity is situated between
Matter) local damage.If shelf depreciation long-term existence, it will lead to insulation degradation under certain condition and even puncture.Electric power is set
It is standby to carry out partial discharge test, it is not only able to understand the insulation status of equipment, moreover it is possible to find in time many in relation to manufacturing and installing
The problem of aspect, the reason of determining insulation fault and its severity.Therefore, carrying out Partial Discharge Detection to power equipment is electricity
Power device fabrication and a running important preventive trial.
It is existing that the monitoring and maintenance method that Partial Discharge Detection generally uses manual intervention is carried out to switchgear, it needs to pacify
The problem of row personnel carrying device goes site inspection unknown uncertain presence or absence, this method poor reliability, and detect
Cost is also relatively high.Also occur some on-line monitoring equipments at present, but this monitoring is often one-to-one, i.e., one inspection
Measurement equipment needs a host to be monitored, and this aspect leads to higher cost, and another aspect space hold is big, furthermore also unfavorable
In centralized management and overall arrangement.
Therefore, there is an urgent need to carry out real-time online and unified monitoring to switchgear operation conditions, according to high-tension switch cabinet
Operating status and insulation degradation, determine repair time and measure, reduce the generation of power off time and accident, improve electricity
The security reliability and the degree of automation of Force system operation.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, propose that a kind of partial discharge based on ubiquitous electric power Internet of Things exists
Line monitoring device, system and method put the unified management of on-Line Monitor Device by playing a game, and are able to confirm that high-voltage switch gear cabinet equipment
Whether it is in normal operating condition, finds the weak link in its insulation in time, effectively prevent accident, ensure the complete of electric system
Reliability service.
The present invention adopts the following technical scheme:
On the one hand, a kind of partial discharge on-Line Monitor Device based on ubiquitous electric power Internet of Things of the present invention, comprising: shell and setting
Magnet on shell；The enclosure interior include CPU module, LORA communication module, ultrasonic sensor, radio wave sensor
And lithium battery；The ultrasonic sensor, radio wave sensor be connected with the CPU module respectively to send the high pressure that detects
Partial discharge of switchgear signal；The CPU module is connected with the LORA communication module externally to be communicated；The lithium battery
It is connected with the CPU module to power；The partial discharge on-Line Monitor Device is adsorbed on the high-tension switch cabinet by the magnet
Shell on.
Preferably, the partial discharge on-Line Monitor Device further includes the status indicator lamp that the hull outside is arranged in；It is described
Status indicator lamp is connected to indicate the working condition of the CPU with the CPU module.
Preferably, the partial discharge on-Line Monitor Device further includes the input button that the hull outside is arranged in；It is described defeated
Enter button to be connected with the CPU module to control the partial discharge on-Line Monitor Device and start or stop.
Preferably, the partial discharge on-Line Monitor Device further includes that the battery capacity indication lamp of the hull outside is arranged in；It is described
Battery capacity indication lamp is connected to indicate the remaining capacity of the lithium battery with the CPU module.
Preferably, the magnet is mounted on the hull outside back or inside back.
Preferably, the CPU module uses the working mechanism of timing wake-up；The CPU module described in the preset time is automatic
It wakes up.
Second aspect, a kind of partial discharge on-line monitoring system based on ubiquitous electric power Internet of Things of the present invention, including the office
On-Line Monitor Device is put, further includes switchgear house state monitoring apparatus and server；The partial discharge on-Line Monitor Device passes through described
LORA communication module is connected to send the related letter of high-tension switch cabinet local discharge signal to the switchgear house state monitoring apparatus
Breath and lithium battery remaining capacity；The switchgear house state monitoring apparatus is communicatively coupled with the server to transmit and receive and arrive
The relevant information and lithium battery remaining capacity；The relevant information includes the maximum of high-tension switch cabinet local discharge signal
Value, average value and discharge time；The discharge time is the number in preset time more than preset value.
Preferably, the communication connection mode of the switchgear house state monitoring apparatus and the server include: cable network,
One of wireless network and serial ports are a variety of.
The third aspect, a kind of partial discharge on-line monitoring method based on ubiquitous electric power Internet of Things of the present invention, based on the office
Put on-Line Monitor Device, comprising:
The partial discharge on-Line Monitor Device calculates high-voltage switch gear according to the high-tension switch cabinet local discharge signal detected
The relevant information of cabinet local discharge signal；And by the LORA communication module by the relevant information and lithium battery remaining capacity
It is sent to switchgear house state monitoring apparatus；The relevant information includes the maximum value of high-tension switch cabinet local discharge signal, is averaged
Value and discharge time；The discharge time is the number in preset time more than preset value；
The related letter that the switchgear house state monitoring apparatus will be received by cable network, wireless network or serial ports
Breath and lithium battery remaining capacity are sent to server；
The server receives the relevant information and lithium battery remaining capacity and is stored and/or shown.
Preferably, the information that the partial discharge on-Line Monitor Device is sent further includes unique mark of the partial discharge on-Line Monitor Device
Know；The unique identification includes IP address or device identification.
Compared with prior art, beneficial effects of the present invention are as follows:
(1) the partial discharge on-Line Monitor Device of the invention based on ubiquitous electric power Internet of Things, using ultrasonic sensor and ground
Radio wave sensor, which is combined, carries out joint-detection to the shelf depreciation of switchgear, can judge shelf depreciation power, can also examine
The transient voltage of shelf depreciation is measured, detection is accurate comprehensive；
(2) the partial discharge on-Line Monitor Device of the invention based on ubiquitous electric power Internet of Things is supported not power down installation, is directly used
Magnet is adsorbed on switchgear surface, and when installation does not influence the normal operation of power distribution room, is not necessarily to external power supply using battery power supply, interior
LORA communication module is set, external cable is not necessarily to；
(3) the partial discharge on-Line Monitor Device of the invention based on ubiquitous electric power Internet of Things, CPU module use timing wake-up machine
System, other times in a dormant state, can save power supply, increase cruise duration；
(4) LORA communication module of the invention has the characteristics that covering is wide, connection is more, rate is low, at low cost, power consumption is few,
It is suitble to the application of low-power consumption Internet of Things；
(5) the partial discharge on-line monitoring system and method for the invention based on ubiquitous electric power Internet of Things, including partial discharge are supervised online
Survey device, switchgear house state monitoring apparatus and server；Partial discharge on-Line Monitor Device passes through LORA communication mode and switchgear house shape
State monitoring device carries out wireless communication, and the data content of monitoring includes that ultrasonic sensor and ground radio wave sensor monitor respectively
Partial discharge maximum value, partial discharge average value, discharge time and lithium battery remaining capacity, switchgear house state monitoring apparatus passes through again
Above- mentioned information are sent to server (Cloud Server and/or station end server) by serial ports, wired ethernet or 4G wireless mode；Energy
It is enough realized by server to the unified monitoring and management of multiple high-tension switch cabinets, while realizing that the monitoring data of data are deposited
Storage finds the weak link in its insulation to confirm whether high-voltage switch gear cabinet equipment is in normal operating condition in time, effectively pre-
Accident prevention reduces unnecessary manpower and material resources waste, ensures the full reliability service of electric system.
The above description is only an overview of the technical scheme of the present invention, in order to more clearly understand technology hand of the invention
Section, so as to be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention
It can be more clearly understood, be exemplified below a specific embodiment of the invention.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
Above-mentioned and other purposes of the invention, advantages and features.
Detailed description of the invention
Fig. 1 is the structural block diagram of the partial discharge on-Line Monitor Device of the invention based on ubiquitous electric power Internet of Things；
Fig. 2 is the structural block diagram of the partial discharge on-line monitoring system of the invention based on ubiquitous electric power Internet of Things.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
It is shown in Figure 1, on the one hand, a kind of partial discharge on-Line Monitor Device based on ubiquitous electric power Internet of Things of the present invention, packet
It includes: shell and the magnet being arranged on shell；The enclosure interior includes CPU module 10, LORA communication module 11, ultrasonic wave biography
Sensor 12, radio wave sensor 13 and lithium battery 14；The ultrasonic sensor 12, radio wave sensor 13 respectively with it is described
CPU module 10 is connected to send the high-tension switch cabinet local discharge signal detected；The CPU module 10 is communicated with the LORA
Module 11 is connected externally to be communicated；The lithium battery 14 is connected to power with the CPU module 10；The partial discharge is supervised online
Device 1 is surveyed to be adsorbed on by the magnet on the shell of the high-tension switch cabinet.
It should be noted that partial discharge of the present invention is the abbreviation of shelf depreciation, that is, indicate shelf depreciation.
Specifically, shelf depreciation is a kind of quick charge release or transition process, the electric field around guiding discharge point is answered
Power, mechanical stress and particle power out-of-balance condition and generate change in oscillation process.
The quick oscillation of mechanical stress and particle power will lead to the vibration of point of discharge surrounding medium, so that acoustic signals are generated,
By ultrasonic sensor 12, (acoustic signals are converted to electric signal, alternatively referred to as piezoelectric sensing by the probe sensor of ultrasonic wave
Device) reach measurement purpose.If there is shelf depreciation generates, the output amplitude of the ultrasonic sensor 12 changes, passes through
Variation size may determine that partial discharge intensity.
In the present embodiment, the parameter of the use of ultrasonic sensor 12 are as follows: AE sensor parameters；Centre frequency:
40kHz；Sensor peak sensitivity: 117dBV；Resolution ratio: 1dB.
In addition, generating the effect of skin effect when shelf depreciation occurs, junction is disconnected or insulate in metal, current wave turns
Move to outer surface；Electromagnetic wave rising edge encounters outer metallic surface, generates transient state voltage-to-ground (Transient Earth
Voltage).Ground electric wave amplitude is related with the attenuation degree of discharge capacity and route of transmission, to depend on spark location, equipment
Internal structure and openings of sizes are related.Using capacitive ground radio wave sensor 13, electric wave is inductively measured to detect over the ground
Transient state voltage-to-ground when shelf depreciation.
In the present embodiment, the parameter of the use of described ground radio wave sensor 13 are as follows: detection bandwidth: 1~100MHz；Detect model
It encloses: 0~60dB；Precision :+- 1dB.
The partial discharge on-Line Monitor Device 1 further includes the status indicator lamp 15 that the hull outside is arranged in；The state
Indicator light 15 is connected with the CPU module 10 to indicate the working condition of the CPU.Specifically, the CPU module 10 is using fixed
When the working mechanism that wakes up；The CPU module 10 described in the preset time automatically wakes up.When the CPU module 10 is waken up, to institute
It states the local discharge signal that ultrasonic sensor 12 and ground radio wave sensor 13 upload to be handled and externally sent, the CPU
When module 10 enters dormant state, without processing.In the present embodiment, when the CPU module 10 is waken up, the state instruction
Lamp 15 is bright, and when the CPU module 10 is in suspend mode, the indicator light extinguishes.
The partial discharge on-Line Monitor Device 1 further includes the input button that the hull outside is arranged in；The input button
It is connected with the CPU module 10 to control the partial discharge on-Line Monitor Device 1 and start or stop.In the present embodiment, the input
Button includes two start buttons 16 and a stop button 17.
The partial discharge on-Line Monitor Device 1 further includes that the battery capacity indication lamp 18 of the hull outside is arranged in；The electricity
Indicator light 18 is connected to indicate the remaining capacity of the lithium battery 14 with the CPU module 10.Specifically, the battery capacity indication lamp
18 may include it is multiple, to indicate the different remaining capacity of lithium battery 14.When such as remaining capacity 80%, a battery capacity indication lamp 18
It is bright；When remaining capacity 50%, another battery capacity indication lamp 18 is bright, etc., so as to easily observe remaining electricity at the scene
The value of amount.
Specifically, the magnet may be mounted at the hull outside and integrated with the shell, specific location can be with
It is back any position.Certainly, the magnet can also be mounted on the case inside and, specific position integrated with the shell
It sets and is also possible to back any position.
In the present embodiment, the lithium battery 14 uses 14 groups of rechargeable lithium battary.
It is shown in Figure 2, second aspect, a kind of partial discharge on-line monitoring system based on ubiquitous electric power Internet of Things of the present invention,
It further include switchgear house state monitoring apparatus 2 and server including the partial discharge on-Line Monitor Device 1；The partial discharge is supervised online
Device 1 is surveyed to be connected by the LORA communication module 11 with the switchgear house state monitoring apparatus 2 to send high-tension switch cabinet office
14 remaining capacity of relevant information and lithium battery of portion's discharge signal；The switchgear house state monitoring apparatus 2 and the server into
The relevant information and lithium battery 14 remaining capacity of the row communication connection to transmit and receive.
Specifically, the server includes station end server 3 and/or Cloud Server 4.
It should be noted that a switchgear house state monitoring apparatus 2 and the how many partial discharge on-Line Monitor Devices 1
It is connected and is configured according to specific needs, station end server 3 or Cloud Server 4 and the how many switchgear house states
Monitoring device 2 is connected also to be configured according to specific needs.
The relevant information includes maximum value, average value and the discharge time of high-tension switch cabinet local discharge signal.Specifically
, maximum value, average value and the discharge time of high-tension switch cabinet local discharge signal include being detected according to ultrasonic sensor 12
Maximum value, average value and the discharge time of the calculated high-tension switch cabinet local discharge signal of the local discharge signal arrived, are also wrapped
It includes the maximum value for the calculated high-tension switch cabinet local discharge signal of local discharge signal that ground radio wave sensor 13 detects, put down
Mean value and discharge time.When specific implementation, the two is independently calculated.
The partial discharge maximum value, which refers to, exports the result that maximum point calculates in monitoring time segment signal.The partial discharge is flat
Mean value refers to the result come out in the mean value calculation of monitoring time segment signal output.The discharge time refers in monitoring time section
More than the number of specified threshold.The remaining capacity is the result calculated according to voltage-capacity curve.
The information that the partial discharge on-Line Monitor Device 1 is sent further includes the unique identification of the partial discharge on-Line Monitor Device 1；Institute
Stating unique identification includes IP address or device identification.When in this case carrying out unified monitoring on the server, can distinguish is
The information which platform partial discharge on-Line Monitor Device 1 is sent, to perform corresponding processing.
The communication connection mode of the switchgear house state monitoring apparatus 2 and the server includes: cable network, wireless network
One of network and serial ports are a variety of.For stand end server 3, due to distance be not it is too far, can according to circumstances using string
Port transmission or Ethernet transmission.For Cloud Server 4, wireless network transmissions can be used.
Specifically, 100 meters of > of LORA wireless networking distance；Switchgear house state monitoring apparatus 2 supports modbus, 104 communications
Specification.2 downlink of switchgear house state monitoring apparatus is communicated with partial discharge on-Line Monitor Device 1 by LORA；Uplink passes through with server
GPRS wireless network, Ethernet or serial communication are communicated with server by modbus or 104 specifications.
The third aspect, a kind of partial discharge on-line monitoring method based on ubiquitous electric power Internet of Things of the present invention, based on the base
In the partial discharge on-Line Monitor Device 1 of ubiquitous electric power Internet of Things, comprising:
The partial discharge on-Line Monitor Device 1 calculates high-voltage switch gear according to the high-tension switch cabinet local discharge signal detected
The relevant information of cabinet local discharge signal；And it is by the LORA communication module 11 that the relevant information and lithium battery 14 is remaining
Electricity is sent to switchgear house state monitoring apparatus 2；The relevant information include high-tension switch cabinet local discharge signal maximum value,
Average value and discharge time；The discharge time is the number in preset time more than preset value；
The switchgear house state monitoring apparatus 2 passes through the correlation that cable network, wireless network or serial ports will receive
Information and 14 remaining capacity of lithium battery are sent to server；The server includes station end server 3 and/or Cloud Server 4；
The server receives the relevant information and 14 remaining capacity of lithium battery and is stored and/or shown.
The information that the partial discharge on-Line Monitor Device 1 is sent further includes the unique identification of the partial discharge on-Line Monitor Device 1；Institute
Stating unique identification includes IP address or device identification.
The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, all to utilize this
Design makes a non-material change to the present invention, and should all belong to behavior that violates the scope of protection of the present invention.
Claims (10)
1. a kind of partial discharge on-Line Monitor Device based on ubiquitous electric power Internet of Things characterized by comprising shell and setting are in shell
Magnet on body；The enclosure interior include CPU module, LORA communication module, ultrasonic sensor, radio wave sensor and lithium
Battery；The ultrasonic sensor, radio wave sensor be connected with the CPU module respectively to send the high-voltage switch gear that detects
Cabinet local discharge signal；The CPU module is connected with the LORA communication module externally to be communicated；The lithium battery and institute
CPU module is stated to be connected with power supply；The partial discharge on-Line Monitor Device is adsorbed on the outer of the high-tension switch cabinet by the magnet
On shell.
2. the partial discharge on-Line Monitor Device according to claim 1 based on ubiquitous electric power Internet of Things, which is characterized in that described
Partial discharge on-Line Monitor Device further includes the status indicator lamp that the hull outside is arranged in；The status indicator lamp and the CPU
Module is connected to indicate the working condition of the CPU.
3. the partial discharge on-Line Monitor Device according to claim 1 based on ubiquitous electric power Internet of Things, which is characterized in that described
Partial discharge on-Line Monitor Device further includes the input button that the hull outside is arranged in；The input button and the CPU module
It is connected and is started or stoped with controlling the partial discharge on-Line Monitor Device.
4. the partial discharge on-Line Monitor Device according to claim 1 based on ubiquitous electric power Internet of Things, which is characterized in that described
Partial discharge on-Line Monitor Device further includes that the battery capacity indication lamp of the hull outside is arranged in；The battery capacity indication lamp and the CPU
Module is connected to indicate the remaining capacity of the lithium battery.
5. the partial discharge on-Line Monitor Device according to claim 1 based on ubiquitous electric power Internet of Things, which is characterized in that described
Magnet is mounted on the hull outside back or inside back.
6. the partial discharge on-Line Monitor Device according to claim 1 based on ubiquitous electric power Internet of Things, which is characterized in that described
CPU module uses the working mechanism of timing wake-up；The CPU module described in the preset time automatically wakes up.
7. a kind of partial discharge on-line monitoring system based on ubiquitous electric power Internet of Things, which is characterized in that including such as claim 1 to 6
Any one of described in partial discharge on-Line Monitor Device, further include switchgear house state monitoring apparatus and server；The partial discharge exists
Line monitoring device is connected by the LORA communication module with the switchgear house state monitoring apparatus to send high-tension switch cabinet office
The relevant information and lithium battery remaining capacity of portion's discharge signal；The switchgear house state monitoring apparatus is led to the server
The relevant information and lithium battery remaining capacity of the letter connection to transmit and receive；The relevant information includes high-tension switch cabinet office
Maximum value, average value and the discharge time of portion's discharge signal.
8. the partial discharge on-line monitoring system according to claim 7 based on ubiquitous electric power Internet of Things, which is characterized in that described
The communication connection mode of switchgear house state monitoring apparatus and the server includes: in cable network, wireless network and serial ports
It is one or more.
9. a kind of partial discharge on-line monitoring method based on ubiquitous electric power Internet of Things, which is characterized in that based on such as claim 1 to 6
Any one of described in partial discharge on-Line Monitor Device, comprising:
The partial discharge on-Line Monitor Device calculates high-tension switch cabinet office according to the high-tension switch cabinet local discharge signal detected
The relevant information of portion's discharge signal；And the relevant information and lithium battery remaining capacity are sent by the LORA communication module
To switchgear house state monitoring apparatus；The relevant information include the maximum value of high-tension switch cabinet local discharge signal, average value and
Discharge time；
The switchgear house state monitoring apparatus by cable network, wireless network or serial ports by the relevant information received and
Lithium battery remaining capacity is sent to server；
The server receives the relevant information and lithium battery remaining capacity and is stored and/or shown.
10. the partial discharge on-line monitoring method according to claim 9 based on ubiquitous electric power Internet of Things, which is characterized in that institute
The information for stating the transmission of partial discharge on-Line Monitor Device further includes the unique identification of the partial discharge on-Line Monitor Device；The unique identification packet
Include IP address or device identification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910121997.9A CN109828189A (en) | 2019-02-19 | 2019-02-19 | Partial discharge on-Line Monitor Device, system and method based on ubiquitous electric power Internet of Things |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910121997.9A CN109828189A (en) | 2019-02-19 | 2019-02-19 | Partial discharge on-Line Monitor Device, system and method based on ubiquitous electric power Internet of Things |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579693A (en) * | 2019-09-20 | 2019-12-17 | 国网浙江省电力有限公司检修分公司 | High GIS partial discharge online monitoring device and method based on wireless transmission |
| CN110764036A (en) * | 2019-10-29 | 2020-02-07 | 南京南瑞继保电气有限公司 | Intelligent distribution transformer terminal test method and system |
| CN111289850A (en) * | 2020-02-20 | 2020-06-16 | 珠海华网科技有限责任公司 | Partial discharge acquisition system based on LoRa technology and communication method |
| CN111308239A (en) * | 2020-02-19 | 2020-06-19 | 上海迈内能源科技有限公司 | Wireless monitoring system for GIS state online monitoring |
| CN112557854A (en) * | 2020-12-22 | 2021-03-26 | 杭州电力设备制造有限公司 | Design method of built-in ultrasonic array type partial discharge intelligent sensor |
| CN112684308A (en) * | 2020-12-18 | 2021-04-20 | 南京南瑞继保电气有限公司 | Online monitoring device of intelligent power distribution network ring main unit |
| CN112986767A (en) * | 2021-03-10 | 2021-06-18 | 浙江徕米物联网科技有限公司 | On-line monitoring system is put in distribution room cubical switchboard equipment office |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508128A (en) * | 2011-10-24 | 2012-06-20 | 天津大学 | Switch cabinet local discharge transient-to-ground voltage detection system based on wireless network |
| CN202916392U (en) * | 2013-01-30 | 2013-05-01 | 梁红军 | Online monitoring system for partial discharge of switch cabinet based on pulse current method and grounding electric wave method |
| CN103605069A (en) * | 2013-11-12 | 2014-02-26 | 北京四方继保自动化股份有限公司 | Apparatus and method for realizing partial discharging monitoring of switch based on unconventional mutual inductor |
| CN203479966U (en) * | 2013-07-26 | 2014-03-12 | 广西电网公司电力科学研究院 | On-line monitoring comprehensive processing unit for partial discharge signals of high-voltage switchgear |
| CN104316846A (en) * | 2014-08-28 | 2015-01-28 | 国家电网公司 | Identification method, apparatus, and system of partial discharger mode of electrical equipment |
| CN107505549A (en) * | 2017-08-30 | 2017-12-22 | 国网上海市电力公司 | A kind of intelligent multifunction partial discharge monitoring system |
| CN209690449U (en) * | 2019-02-19 | 2019-11-26 | 福建聚实新能源科技有限公司 | Local discharge on-line monitoring device and system based on ubiquitous electric power Internet of Things |
-
2019
- 2019-02-19 CN CN201910121997.9A patent/CN109828189A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508128A (en) * | 2011-10-24 | 2012-06-20 | 天津大学 | Switch cabinet local discharge transient-to-ground voltage detection system based on wireless network |
| CN202916392U (en) * | 2013-01-30 | 2013-05-01 | 梁红军 | Online monitoring system for partial discharge of switch cabinet based on pulse current method and grounding electric wave method |
| CN203479966U (en) * | 2013-07-26 | 2014-03-12 | 广西电网公司电力科学研究院 | On-line monitoring comprehensive processing unit for partial discharge signals of high-voltage switchgear |
| CN103605069A (en) * | 2013-11-12 | 2014-02-26 | 北京四方继保自动化股份有限公司 | Apparatus and method for realizing partial discharging monitoring of switch based on unconventional mutual inductor |
| CN104316846A (en) * | 2014-08-28 | 2015-01-28 | 国家电网公司 | Identification method, apparatus, and system of partial discharger mode of electrical equipment |
| CN107505549A (en) * | 2017-08-30 | 2017-12-22 | 国网上海市电力公司 | A kind of intelligent multifunction partial discharge monitoring system |
| CN209690449U (en) * | 2019-02-19 | 2019-11-26 | 福建聚实新能源科技有限公司 | Local discharge on-line monitoring device and system based on ubiquitous electric power Internet of Things |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579693A (en) * | 2019-09-20 | 2019-12-17 | 国网浙江省电力有限公司检修分公司 | High GIS partial discharge online monitoring device and method based on wireless transmission |
| CN110764036A (en) * | 2019-10-29 | 2020-02-07 | 南京南瑞继保电气有限公司 | Intelligent distribution transformer terminal test method and system |
| CN110764036B (en) * | 2019-10-29 | 2022-02-18 | 南京南瑞继保电气有限公司 | Intelligent distribution transformer terminal test method and system |
| CN111308239A (en) * | 2020-02-19 | 2020-06-19 | 上海迈内能源科技有限公司 | Wireless monitoring system for GIS state online monitoring |
| CN111308239B (en) * | 2020-02-19 | 2022-04-05 | 上海迈内能源科技有限公司 | Wireless monitoring system for GIS state online monitoring |
| CN111289850A (en) * | 2020-02-20 | 2020-06-16 | 珠海华网科技有限责任公司 | Partial discharge acquisition system based on LoRa technology and communication method |
| CN112684308A (en) * | 2020-12-18 | 2021-04-20 | 南京南瑞继保电气有限公司 | Online monitoring device of intelligent power distribution network ring main unit |
| CN112557854A (en) * | 2020-12-22 | 2021-03-26 | 杭州电力设备制造有限公司 | Design method of built-in ultrasonic array type partial discharge intelligent sensor |
| CN112986767A (en) * | 2021-03-10 | 2021-06-18 | 浙江徕米物联网科技有限公司 | On-line monitoring system is put in distribution room cubical switchboard equipment office |
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