CN109164360A - A kind of Portable PD On-Line monitoring device - Google Patents

A kind of Portable PD On-Line monitoring device Download PDF

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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
Authority
CN
China
Prior art keywords
shelf depreciation
module
transformer
gis
switch cabinet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811085522.0A
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Chinese (zh)
Inventor
李昌
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.)
Wei Chen Science And Technology (wuhan) Co Ltd
Original Assignee
Wei Chen Science And Technology (wuhan) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wei Chen Science And Technology (wuhan) Co Ltd filed Critical Wei Chen Science And Technology (wuhan) Co Ltd
Priority to CN201811085522.0A priority Critical patent/CN109164360A/en
Publication of CN109164360A publication Critical patent/CN109164360A/en
Pending legal-status Critical Current

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    • 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
    • G01R31/12Testing 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
    • G01R31/1209Testing 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
    • 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
    • G01R31/12Testing 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
    • G01R31/1227Testing 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
    • G01R31/1254Testing 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

A kind of Portable PD On-Line monitoring device
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.
CN201811085522.0A 2018-09-18 2018-09-18 A kind of Portable PD On-Line monitoring device Pending CN109164360A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN201811085522.0A CN109164360A (en) 2018-09-18 2018-09-18 A kind of Portable PD On-Line monitoring device

Publications (1)

Publication Number Publication Date
CN109164360A true CN109164360A (en) 2019-01-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811085522.0A Pending CN109164360A (en) 2018-09-18 2018-09-18 A kind of Portable PD On-Line monitoring device

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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