CN109164360A - A kind of Portable PD On-Line monitoring device - Google Patents
A kind of Portable PD On-Line monitoring device Download PDFInfo
- Publication number
- CN109164360A CN109164360A CN201811085522.0A CN201811085522A CN109164360A CN 109164360 A CN109164360 A CN 109164360A CN 201811085522 A CN201811085522 A CN 201811085522A CN 109164360 A CN109164360 A CN 109164360A
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- China
- Prior art keywords
- shelf depreciation
- module
- transformer
- gis
- switch cabinet
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1209—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using acoustic measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1254—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention relates to a kind of Portable PD On-Line monitoring devices, including tester host, and the combined type TEV sensor, HF current transformer, ultrasonic sensor and the uhf sensor that are detachably electrically connected with the tester host respectively.A kind of Portable PD On-Line monitoring device of the present invention includes tester host, and combined type TEV sensor, HF current transformer, ultrasonic sensor and the uhf sensor being detachably electrically connected with the tester host respectively, a kind of device can be used to can detect the shelf depreciation situation of tri- kinds of transformer, switchgear and GIS equipment, and each sensor is detachably connected with tester host, is carried and used all very convenient.
Description
Technical field
The present invention relates to partial discharge monitorings, and in particular to a kind of Portable PD On-Line monitoring device.
Background technique
Power transformer, switchgear and GIS are that most important equipment, operation conditions are directly closed in transmission and disttrbution network
It is the safety and stability and economical operation to system.And the reliability service of power grid largely to rely on the manufacture of high-tension apparatus with
And installation quality, once the power failure of the locally even whole district will be caused by breaking down.However power transformer, switchgear and
Different degrees of defect is always had in the built-in electrical insulation of GIS device, as contain in solid or liquid medium magazine, moisture,
Air gap, minute bubbles etc..These defects are long-term in various operation factors such as electric field change, temperature change, mechanical stress and dampness etc.
Under effect, make insulation system that aging, decomposition and crack occur.This is the main reason for causing shelf depreciation inside power equipment.
By being monitored on-line to transformer, switchgear and GIS partial discharge, can discovering device built-in electrical insulation in time latency
Defect, to judge the degree of equipment built-in electrical insulation cracking.Therefore equipment can sensitively be disclosed from the development of shelf depreciation
Internal various electrical and non-electrical failures, ensure transformer safety operation.Existing partial discharge monitoring function is more single
One, a kind of equipment can only individually detect one of tri- kinds of power transformer, switchgear and GIS equipment shelf depreciation situation,
If necessary to detect the shelf depreciation situation of tri- kinds of power transformer, switchgear and GIS equipment, it is necessary to three sets of equipment are used,
It carries and uses inconvenience.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of Portable PD On-Line monitoring devices, use a kind of device
The shelf depreciation situation of tri- kinds of detectable transformer, switchgear and GIS equipment.
The technical scheme to solve the above technical problems is that a kind of Portable PD On-Line monitoring device, including
Tester host, and be detachably electrically connected with the tester host respectively combined type TEV sensor, high-frequency current mutual inductance
Device, ultrasonic sensor and uhf sensor;
The combined type TEV sensor is used to acquire the local discharge signal of inside switch cabinet, and by the switchgear of acquisition
Internal local discharge signal is sent to the tester host;
The HF current transformer is used to acquire the local discharge signal of inside transformer, and will be in the transformer of acquisition
The local discharge signal in portion is sent to the tester host;
The ultrasonic sensor is used to acquire the shelf depreciation auxiliary signal of inside transformer, and by the transformer of acquisition
Internal shelf depreciation auxiliary signal is sent to the tester host;
The uhf sensor is used to acquire the local discharge signal inside GIS, and the GIS partial discharge of acquisition is believed
Number it is sent to the tester host;
The tester host is used to receive the shelf depreciation letter of inside switch cabinet by selecting corresponding receiving channel
Number, in the shelf depreciation auxiliary signal and GIS partial discharge signal of the local discharge signal of inside transformer, inside transformer
Any or any two signals, and the signal received is handled, detect the shelf depreciation situation of inside switch cabinet,
Or/and measure the shelf depreciation situation of inside transformer or/and subsidiary goes out the shelf depreciation situation of inside transformer,
Or/and measure shelf depreciation situation inside GIS.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the tester host includes central control module, and is electrically connected respectively with the central control module
Channel selecting module, inside switch cabinet Partial Discharge Detection module, the inside transformer measurement of partial discharge module, transformer connect
Measurement of partial discharge module and display module inside internal shelf depreciation subsidiary module, GIS;
The central control module is used for control channel selecting module, inside switch cabinet Partial Discharge Detection module, transformation
Measurement of partial discharge module, inside transformer shelf depreciation subsidiary module, the inside GIS measurement of partial discharge module inside device
With display module co-ordination;
The channel selecting module for selecting corresponding receiving channel, receive inside switch cabinet local discharge signal,
Appointing in the local discharge signal of inside transformer, the shelf depreciation auxiliary signal and GIS partial discharge signal of inside transformer
A kind of or any two signals;
The inside switch cabinet Partial Discharge Detection module is used to handle the local discharge signal of inside switch cabinet,
Detect the shelf depreciation situation of inside switch cabinet;
The inside transformer measurement of partial discharge module is used to handle the local discharge signal of inside transformer,
Measure the shelf depreciation situation of inside transformer;
The inside transformer shelf depreciation subsidiary module is used for the shelf depreciation auxiliary signal to inside transformer
It is handled, subsidiary goes out the shelf depreciation situation of inside transformer;
Measurement of partial discharge module is measured in GIS for handling GIS partial discharge signal inside the GIS
The shelf depreciation situation in portion;
The display module is used to show shelf depreciation situation, the shelf depreciation feelings of inside transformer of inside switch cabinet
Condition and the inside GIS shelf depreciation situation.
Further, the tester host further includes communication module, the communication module and the central control module phase
Even, it is used for shelf depreciation inside the shelf depreciation situation of inside switch cabinet, the shelf depreciation situation of inside transformer and GIS
Situation is uploaded to host computer.
Further, it is additionally provided with USB interface on the tester host, the USB interface is electrically connected with the central controller
It connects.
Further, further include charger, be additionally provided in the tester host for the tester host supplying power
Rechargeable battery, the charger are used to charge to the rechargeable battery.
Further, the size of the tester host is 250mm × 50mm × 30mm, weight 1.5kg.
Further, the uhf sensor is hyperfrequency micro-strip paster antenna, and antenna a length of 5cm, width 3.5cm are thick
Degree is 0.2cm, and bandwidth is 0.4GHz~2.7GHz.
Further, the communication module includes wire communication module and wireless communication module.
The beneficial effects of the present invention are: a kind of Portable PD On-Line monitoring device of the present invention includes tester host, with
And combined type TEV sensor, the HF current transformer, supersonic sensing being detachably electrically connected with the tester host respectively
A kind of device can be used to can detect the shelf depreciation feelings of tri- kinds of transformer, switchgear and GIS equipment for device and uhf sensor
Condition, and each sensor is detachably connected with tester host, is carried and used all very convenient.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of Portable PD On-Line monitoring device of the present invention;
Fig. 2 is the internal module figure of tester host in a kind of Portable PD On-Line monitoring device of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, a kind of Portable PD On-Line monitoring device, including tester host, and respectively with the survey
Combined type TEV sensor, HF current transformer, ultrasonic sensor and the hyperfrequency sensing that examination instrument host is detachably electrically connected
Device;
The combined type TEV sensor is used to acquire the local discharge signal of inside switch cabinet, and by the switchgear of acquisition
Internal local discharge signal is sent to the tester host;
The HF current transformer is used to acquire the local discharge signal of inside transformer, and will be in the transformer of acquisition
The local discharge signal in portion is sent to the tester host;
The ultrasonic sensor is used to acquire the shelf depreciation auxiliary signal of inside transformer, and by the transformer of acquisition
Internal shelf depreciation auxiliary signal is sent to the tester host;
The uhf sensor is used to acquire the local discharge signal inside GIS, and the GIS partial discharge of acquisition is believed
Number it is sent to the tester host;
The tester host is used to receive the shelf depreciation letter of inside switch cabinet by selecting corresponding receiving channel
Number, in the shelf depreciation auxiliary signal and GIS partial discharge signal of the local discharge signal of inside transformer, inside transformer
Any or any two signals, and the signal received is handled, detect the shelf depreciation situation of inside switch cabinet,
Or/and measure the shelf depreciation situation of inside transformer or/and subsidiary goes out the shelf depreciation situation of inside transformer,
Or/and measure shelf depreciation situation inside GIS.
It is specific:
As shown in Fig. 2, the tester host includes central control module, and electric with the central control module respectively
Channel selecting module, inside switch cabinet Partial Discharge Detection module, the inside transformer measurement of partial discharge module, transformation of connection
Shelf depreciation subsidiary module, GIS inside measurement of partial discharge module and display module inside device;
The central control module is used for control channel selecting module, inside switch cabinet Partial Discharge Detection module, transformation
Measurement of partial discharge module, inside transformer shelf depreciation subsidiary module, the inside GIS measurement of partial discharge module inside device
With display module co-ordination;
The channel selecting module for selecting corresponding receiving channel, receive inside switch cabinet local discharge signal,
Appointing in the local discharge signal of inside transformer, the shelf depreciation auxiliary signal and GIS partial discharge signal of inside transformer
A kind of or any two signals;
The inside switch cabinet Partial Discharge Detection module is used to handle the local discharge signal of inside switch cabinet,
Detect the shelf depreciation situation of inside switch cabinet;
The inside transformer measurement of partial discharge module is used to handle the local discharge signal of inside transformer,
Measure the shelf depreciation situation of inside transformer;
The inside transformer shelf depreciation subsidiary module is used for the shelf depreciation auxiliary signal to inside transformer
It is handled, subsidiary goes out the shelf depreciation situation of inside transformer;
Measurement of partial discharge module is measured in GIS for handling GIS partial discharge signal inside the GIS
The shelf depreciation situation in portion;
The display module is used to show shelf depreciation situation, the shelf depreciation feelings of inside transformer of inside switch cabinet
Condition and the inside GIS shelf depreciation situation.
In this embodiment, the tester host further includes communication module, the communication module and the center
Control module is connected, and being used for will be in the shelf depreciation situation of inside switch cabinet, the shelf depreciation situation and GIS of inside transformer
Portion's shelf depreciation situation is uploaded to host computer.
In this embodiment, USB interface, the USB interface and the center are additionally provided on the tester host
Controller electrical connection.
The invention also includes charger, be additionally provided in the tester host for the tester host supplying power can
Rechargeable battery, the charger are used to charge to the rechargeable battery.
In this embodiment, the size of the tester host is 250mm × 50mm × 30mm, weight 0.5kg.
In this embodiment, the uhf sensor is hyperfrequency micro-strip paster antenna, and antenna a length of 5cm is wide
For 3.5cm, with a thickness of 0.2cm, bandwidth is 0.4GHz~2.7GHz.
In this embodiment, the communication module includes wire communication module and wireless communication module.
A kind of Portable PD On-Line monitoring device of the present invention includes tester host, and respectively with the tester master
Combined type TEV sensor, HF current transformer, ultrasonic sensor and the uhf sensor that machine is detachably electrically connected, can
It can detect the shelf depreciation situation of tri- kinds of transformer, switchgear and GIS equipment, and each sensor and tester using a kind of device
Host is detachably connected, and is carried and used all very convenient.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of Portable PD On-Line monitoring device, it is characterised in that: including tester host, and respectively with the test
Combined type TEV sensor, HF current transformer, ultrasonic sensor and the hyperfrequency sensing that instrument host is detachably electrically connected
Device;
The combined type TEV sensor is used to acquire the local discharge signal of inside switch cabinet, and by the inside switch cabinet of acquisition
Local discharge signal be sent to the tester host;
The HF current transformer is used to acquire the local discharge signal of inside transformer, and by the inside transformer of acquisition
Local discharge signal is sent to the tester host;
The ultrasonic sensor is used to acquire the shelf depreciation auxiliary signal of inside transformer, and by the inside transformer of acquisition
Shelf depreciation auxiliary signal be sent to the tester host;
The uhf sensor is used to acquire the local discharge signal inside GIS, and the GIS partial discharge signal of acquisition is passed
It send to the tester host;
The tester host is used to receive the local discharge signal of inside switch cabinet by selecting corresponding receiving channel, become
Any in the shelf depreciation auxiliary signal and GIS partial discharge signal of local discharge signal, inside transformer inside depressor
Kind or any two signals, and the signal received is handled, detect the shelf depreciation situation of inside switch cabinet, or/and
The shelf depreciation situation or/and subsidiary of measuring inside transformer go out the shelf depreciation situation of inside transformer, or/and
Measure shelf depreciation situation inside GIS.
2. a kind of Portable PD On-Line monitoring device according to claim 1, it is characterised in that: the tester host
Including central control module, and be electrically connected respectively with the central control module channel selecting module, inside switch cabinet office
Portion's discharge examination module, inside transformer measurement of partial discharge module, inside transformer shelf depreciation subsidiary module, GIS
Internal measurement of partial discharge module and display module;
The central control module is in control channel selecting module, inside switch cabinet Partial Discharge Detection module, transformer
Portion's measurement of partial discharge module, inside transformer shelf depreciation subsidiary module, measurement of partial discharge module and aobvious inside GIS
Show that module coordination works;
The channel selecting module receives local discharge signal, the transformation of inside switch cabinet for selecting corresponding receiving channel
Any one of the shelf depreciation auxiliary signal of local discharge signal, inside transformer inside device and GIS partial discharge signal
Or any two signals;
The inside switch cabinet Partial Discharge Detection module is detected for handling the local discharge signal of inside switch cabinet
The shelf depreciation situation of inside switch cabinet out;
The inside transformer measurement of partial discharge module is measured for handling the local discharge signal of inside transformer
The shelf depreciation situation of inside transformer out;
The inside transformer shelf depreciation subsidiary module is used to carry out the shelf depreciation auxiliary signal of inside transformer
Processing, subsidiary go out the shelf depreciation situation of inside transformer;
Measurement of partial discharge module is measured inside GIS for handling GIS partial discharge signal inside the GIS
Shelf depreciation situation;
The display module for show the shelf depreciation situation of inside switch cabinet, the shelf depreciation situation of inside transformer and
Shelf depreciation situation inside GIS.
3. a kind of Portable PD On-Line monitoring device according to claim 2, it is characterised in that: the tester host
It further include communication module, the communication module is connected with the central control module, is used to put the part of inside switch cabinet
Shelf depreciation situation is uploaded to host computer inside electric situation, the shelf depreciation situation of inside transformer and GIS.
4. a kind of Portable PD On-Line monitoring device according to claim 2 or 3, it is characterised in that: the tester
USB interface is additionally provided on host, the USB interface is electrically connected with the central controller.
5. a kind of Portable PD On-Line monitoring device according to any one of claims 1 to 3, it is characterised in that: also wrap
Charger is included, is additionally provided in the tester host for the rechargeable battery to the tester host supplying power, the charging
Device is used to charge to the rechargeable battery.
6. a kind of Portable PD On-Line monitoring device according to any one of claims 1 to 3, it is characterised in that: described
The size of tester host is 250mm × 50mm × 30mm, weight 0.5kg.
7. a kind of Portable PD On-Line monitoring device according to any one of claims 1 to 3, it is characterised in that: described
Uhf sensor is hyperfrequency micro-strip paster antenna, and a length of 5cm of antenna, width 3.5cm, with a thickness of 0.2cm, bandwidth is
0.4GHz~2.7GHz.
8. a kind of Portable PD On-Line monitoring device according to claim 3, it is characterised in that: the communication module packet
Include wire communication module and wireless communication module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811085522.0A CN109164360A (en) | 2018-09-18 | 2018-09-18 | A kind of Portable PD On-Line monitoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811085522.0A CN109164360A (en) | 2018-09-18 | 2018-09-18 | A kind of Portable PD On-Line monitoring device |
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CN201811085522.0A Pending CN109164360A (en) | 2018-09-18 | 2018-09-18 | A kind of Portable PD On-Line monitoring device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110780237A (en) * | 2019-09-18 | 2020-02-11 | 国网北京市电力公司 | Distributed ultrahigh frequency sensor |
CN111999620A (en) * | 2020-09-22 | 2020-11-27 | 珠海华网科技有限责任公司 | Multi-channel joint positioning method for partial discharge of power equipment |
-
2018
- 2018-09-18 CN CN201811085522.0A patent/CN109164360A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110780237A (en) * | 2019-09-18 | 2020-02-11 | 国网北京市电力公司 | Distributed ultrahigh frequency sensor |
CN111999620A (en) * | 2020-09-22 | 2020-11-27 | 珠海华网科技有限责任公司 | Multi-channel joint positioning method for partial discharge of power equipment |
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Application publication date: 20190108 |