CN207181351U - Transformer moisture measurement device based on PDC/FDS dielectric response methods - Google Patents

Transformer moisture measurement device based on PDC/FDS dielectric response methods Download PDF

Info

Publication number
CN207181351U
CN207181351U CN201721036065.7U CN201721036065U CN207181351U CN 207181351 U CN207181351 U CN 207181351U CN 201721036065 U CN201721036065 U CN 201721036065U CN 207181351 U CN207181351 U CN 207181351U
Authority
CN
China
Prior art keywords
oil sample
sample cup
pdc
fds
data
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.)
Active
Application number
CN201721036065.7U
Other languages
Chinese (zh)
Inventor
王南
陈浩
郭铁
赵义松
王鹏
应勇
赵振扬
宋云东
周榆晓
唐红
张远博
何建营
黄珂
李冠华
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 Liaoning Electric Power Co Ltd
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Electric Power Research Institute of State Grid Liaoning Electric Power 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 State Grid Corp of China SGCC, State Grid Liaoning Electric Power Co Ltd, Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201721036065.7U priority Critical patent/CN207181351U/en
Application granted granted Critical
Publication of CN207181351U publication Critical patent/CN207181351U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to transformer and become attached to aging technical field, more particularly to a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods.Two are set in irony casing and waits capacity oil sample cup, for holding with a batch of tested transformer oil sample, test electrode is directly connected to conducting rod in each oil sample cup;The end cap up and down of oil sample cup is equipped with oil sample cup lid;It is provided with oil sample cup groove below oil sample cup, end connection device casing under oil sample cup groove;The hole that oil sample cup groove-bottom is provided with insertion is used to the lower end of conducting rod being connected with pressurization wire through hole;Measurement terminal is clipped on conducting rod, and measurement terminal tail end connects input and output client input by measuring PDC/FDS measuring systems control circuit input in electric wire connecting test circuit, PDC/FDS measuring system control circuit output ends by com interface data wire.While the utility model realizes that the testing time is significantly reduced, ensure the comprehensive of frequency domain.

Description

Transformer moisture measurement device based on PDC/FDS dielectric response methods
Technical field
The utility model belongs to transformer and become attached to aging technical field, more particularly to a kind of is based on PDC/FDS dielectric responses The transformer moisture measurement device of method.
Background technology
Moisture has a strong impact on to the electrical endurance of transformer insulating system and mechanical life in oil-immersed power transformer, And accelerate paper oil insulation material aging, transformer safety operation is endangered, Measurement by Dielectric Method is exhausted currently for transformer oilpaper The main of edge diagnosis applies method, but the defects of time-consuming or frequency domain is not wide enough be present, lacks simple efficient transformer at present Middle moisture measurement device.
Utility model content
For technical problem present in above-mentioned prior art, the utility model provides a kind of based on PDC/FDS media sound Answer the transformer moisture measurement device of method, the purpose of utility model is to build can quick measuring transformer Oil-Paper Insulation Dielectric response, in the direct basis for estimation insulation system of the quick aging insulation degree for measuring free voltage grade transformer Water content data.
For achieving the above object, the utility model is adopted the following technical scheme that to realize:
A kind of transformer moisture measurement device based on PDC/FDS dielectric response methods, is provided with irony casing Two are waited capacity oil sample cup, and two are waited capacity oil sample cup to be used to hold with a batch of tested transformer oil sample, each oil sample cup Built with test electrode and conducting rod, test electrode is directly connected to conducting rod, and conducting rod fixes test electrode in oil sample cup Position, conducting rod UNICOM test electrode and current supply line;The end cap up and down of oil sample cup is equipped with oil sample cup lid;Below oil sample cup Provided with oil sample cup groove, end connection device casing under oil sample cup groove;The open upper end of oil sample cup groove is used to place oil sample cup, The hole that the bottom of oil sample cup groove is provided with insertion is used to the lower end of conducting rod through hole with pressurization wire being connected;Measurement On conducting rod, the tail end of measurement terminal is wired to by measurement to be located in the test circuit of irony casing side terminal clamp The input of PDC/FDS measuring system control circuits, the output end of PDC/FDS measuring system control circuits pass through com interface number According to the input of line connection input and output client.
The oil sample cup lid of the upper and lower side is fixed with anchorage clip, and the measurement terminal is movable butterfly clamp.
The PDC/FDS measuring systems control circuit includes frequency response data acquisition module, frequency response control module, PDC/FDS Data conversion integrates module, five parts of Data Analysis Services module and input-output system are sequentially connected composition.
The frequency response data acquisition module is on-site detecting unit, and the module samples data include frequency response voltage data With pressurization voltage data, frequency response control module is concatenated into by winding displacement.
The frequency response control module includes PDC test circuits and FDS test circuits, and both are to be connected in parallel.
The PDC/FDS data conversions integrate module by AD data converters, time domain/frequency domain data change-over circuit and data Integrated circuit forms, AD data converters concatenation time domain/frequency domain data change-over circuit, time domain/frequency domain data change-over circuit concatenation Data Integration circuit.
The Data Analysis Services module includes database, data comparison module.
The input-output system includes data read/write module, display, printer and keyboard, and data read/write module is led to USB connecting lines are crossed respectively with display, printer and keyboard equipment to be connected.
The advantages of the utility model and effect are:
The utility model takes into full account environment temperature and insulation physical dimension, i.e. oil and cardboard ratio, to interfacial polarization pair The influence factor of result of calculation, the tan delta curve by limiting time domain PDC, which is tested, to be carried out in low frequency, up to 0.1Hz, for Higher than the tan delta curve of 0.1Hz parts, tested, avoided using frequency domain FDS modes<0.1Hz low-frequency test, realize Ensure the comprehensive of frequency domain while testing time is significantly reduced.Target establishes the full frequency band for meeting 1000kHz to 0.001MHz Tan delta curve is tested, and the testing time will be dropped in 2h, and the measurement of water content will in full frequency band high-precision rapid survey transformer oil Ask, device has the characteristics of efficiently and accurately is widely applicable, suitable in power industry popularization and application.
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail, but is not implemented by this Example is limited.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is utility model works schematic diagram;
Fig. 3 is X-Y data explanation figure in X-Y model computation modules.
In figure:Irony casing 1, conducting rod 2, anchorage clip 3, oil sample cup lid 4, oil sample cup 5, measurement terminal 6, electrode 7 is tested, Oil sample cup groove 8, pressured conductive line 9, measurement conductor wire 10, test circuit 11, PDC/FDS measuring systems control circuit 12 are defeated Enter to export client 13.
Embodiment
The utility model is a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods, such as Fig. 1 institutes Show, Fig. 1 is the utility model structure diagram.Two are provided with irony casing 1 and waits capacity oil sample cup 5, two are waited capacity oil Sample cup 5 is used to hold to be surveyed with a batch of tested transformer oil sample, each oil sample cup 5 built with test electrode 7 and conducting rod 2 Examination electrode 7 is directly connected to conducting rod 2, and test electrode 7 is used to fix test electrode 7 to voltage needed for oil sample application, conducting rod 2 Position in oil sample cup 5, the UNICOM of conducting rod 2 test electrode 7 and current supply line 9.
The upper and lower side of oil sample cup 5 is stamped oil sample cup lid 4, and the oil sample cup lid 4 of upper and lower side is consolidated with anchorage clip 3 It is fixed;The lower section of oil sample cup 5 is oil sample cup groove 8, and 8 times end connection device casings 1 of oil sample cup groove play fixation, oil sample cup groove 8 open upper end is used to place oil sample cup 5, and the bottom of oil sample cup groove 8 is provided with the hole of insertion, for by under conducting rod 2 End is connected through hole with pressurization wire 9;Measurement terminal 6 is movable butterfly clamp, and measurement terminal 6 is clipped in the upper end of conducting rod 2 Part, for measuring the response data of oil sample, and can conveniently it take down after a measurement;The tail end of measurement terminal 6 is by measuring electric wire 10 are connected to the input of PDC/FDS measuring systems control circuit 12 in test circuit 11.
Wherein, PDC is polarization depolarization current method, and FDS is dielectric and magnetic measuring method, is two kinds of current relatively main flow The method of measuring transformer state of insulation.
As shown in Fig. 2 Fig. 2 is utility model works schematic diagram.The right side of irony casing 1 is test circuit 11, test electricity Include PDC/FDS measuring systems control circuit 12 and input and output client 13, PDC/FDS measuring system control circuits in road 11 12 output end connects the input of input and output client 13 by com interface data wire, and input and output client 13 is used for Parameter needed for input and display test result.
The PDC/FDS measuring systems control circuit 12 includes frequency response data acquisition module, frequency response control module, PDC/ FDS data conversions integrate module, five parts of Data Analysis Services module and input-output system are sequentially connected composition.
Wherein, frequency response data acquisition module is on-site detecting unit, and the module samples data include frequency response voltage number According to pressurization voltage data, frequency response control module is concatenated into by winding displacement.Frequency response voltage data is sampled by measurement terminal Obtain, pressurization voltage data is supplied to test electrode by test circuit, while sends to data conversion and integrate module.Frequency response is surveyed Control module includes PDC test circuits and FDS test circuits, and both control measurement terminal and test electrode respectively to be connected in parallel Pressurizeed using two kinds of metering systems of PDC and FDS.Frequency response control module realizes measurement terminal and test electricity
The measurement control of pole, test electrode is provided by 10 by PDC test circuits-6Required frequency pair in the range of Hz-1Hz Magnitude of voltage is answered, and carries out response data measurement.FDS test circuits are provided by required frequency in 1Hz range above test electrode Corresponding voltage value, and carry out response data measurement.PDC/FDS data conversions integrate module by AD data converters, time domain/frequency domain Data converting circuit and data integrated circuit composition, AD data converters concatenation time domain/frequency domain data change-over circuit, time domain/frequency Numeric field data change-over circuit concatenated data integrated circuit, data are transmitted successively.The electronic signal obtained by frequency response control module passes through After AD data converters are changed into data signal, time domain data is converted to same frequency domain number by time domain/frequency domain data change-over circuit According to finally combining to form a complete frequency response collection of illustrative plates by two sections of frequency domain datas of Data Integration circuit realiration.
Data Analysis Services module includes database, data comparison module.Database concatenated data read writing module, be used for Store paper insulation thickness x, y of transformer Oil-Paper Insulation, water content in oil content standard value spectral response data, environment temperature Degree, water content in oil content data.Data comparison module completes corresponding environment temperature by all data in read operation acquisition database Modeling under degree and transformer insulated geometric parameter, and the comparative analysis of modeling data and measurement data is carried out, most at last in oil Analysis of moisture content result is sent to input/output client;X-Y model computational algorithms in data comparison module:To integrate number It is target complex according to result, Water in oil amount standard value is calculated by database data using particle cluster algorithm, with integral data Comparative result analysis draws Water in oil value and transformer insulating system degree of aging.
The input-output system includes the equipment such as data read/write module, display, printer and keyboard, data read/write Module is connected with display, printer and keyboard equipment respectively by USB connecting lines, realize test result show, print and The input function of condition data.
As shown in figure 3, Fig. 3 is X-Y data explanation figure in X-Y models computational algorithm in data comparison module.In X-Y data X numerical value be transformer insulated geometry in supports insulative plate radial thickness data, numerical value Y be transformer insulated geometry in The radical length data of baffle plate.
Tested using a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods of the utility model When, its specific implementation step is as follows:
(1)The transformer insulation oil equivalent of required detection is placed in two oil sample cups, ensures that test electrode soaks completely After entering in oil sample cup, oil sample cup lid is covered, tightening anchorage clip ensures that rigid contact is non-leakage between oil sample cup and oil sample cup lid;
(2)Measurement terminal is clipped on oil sample cup upper part of the cover conducting rod, ensures that measurement terminal is good with being contacted between conducting rod It is good, can Validity Test leakage current;
(3)Turn on the power and be powered for measuring system, check whether display screen has display, ensureing system power supply state just Often carry out;
(4)Inspection system display interface data, it is ensured that working state of system is normal;
(5)Transformer insulated geometric data X-Y and ambient temperature data are sequentially input, guarantee system can complete X-Y Data modeling;
(6)Click on and start testing button progress frequency sound test, test is tested after terminating by display screen and printer record As a result.
Above-mentioned embodiment is preferred embodiment of the present utility model, and the utility model can not be defined, Specific embodiment can be determined according to the technical solution of the utility model and actual conditions, it is other any for away from this reality The change made of new technical scheme or other equivalent substitute modes, are included in the scope of protection of the utility model Within.

Claims (8)

1. a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods, it is characterized in that:In irony casing(1) Inside it is provided with two and waits capacity oil sample cup(5), two are waited capacity oil sample cup(5)For holding with a batch of tested transformer oil Sample, each oil sample cup(5)Built with test electrode(7)And conducting rod(2), test electrode(7)With conducting rod(2)It is directly connected to, Conducting rod(2)Fixed test electrode(7)In oil sample cup(5)In position, conducting rod(2)UNICOM tests electrode(7)Led with power supply Line(9);Oil sample cup(5)End cap up and down be equipped with oil sample cup lid(4);Oil sample cup(5)Lower section is provided with oil sample cup groove(8), oil Sample cup groove(8)Lower end connection device casing(1);Oil sample cup groove(8)Open upper end be used for place oil sample cup(5), oil sample Cup groove(8)Bottom be provided with the hole of insertion and be used for conducting rod(2)Lower end through hole with pressurization wire(9)It is connected Connect;Measurement terminal(6)It is clipped in conducting rod(2)On, measurement terminal(6)Tail end by measuring electric wire(10)It is connected to and is located at irony Casing(1)The test circuit of side(11)Middle PDC/FDS measuring systems control circuit(12)Input, PDC/FDS measurement system System control circuit(12)Output end pass through com interface data wire connect input and output client(13)Input.
2. a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods according to claim 1, it is special Sign is:The oil sample cup lid of the upper and lower side(4)Use anchorage clip(3)It is fixed, the measurement terminal(6)For movable butterfly Folder.
3. a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods according to claim 1, it is special Sign is:The PDC/FDS measuring systems control circuit(12)Including frequency response data acquisition module, frequency response control module, PDC/FDS Data conversion integrates module, five parts of Data Analysis Services module and input-output system are sequentially connected composition.
4. a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods according to claim 3, it is special Sign is:The frequency response data acquisition module is on-site detecting unit, the module samples data include frequency response voltage data and Pressurizeed voltage data, and frequency response control module is concatenated into by winding displacement.
5. a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods according to claim 3, it is special Sign is:The frequency response control module includes PDC test circuits and FDS test circuits, and both are to be connected in parallel.
6. a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods according to claim 3, it is special Sign is:It is whole by AD data converters, time domain/frequency domain data change-over circuit and data that the PDC/FDS data conversions integrate module Close circuit composition, AD data converters concatenation time domain/frequency domain data change-over circuit, time domain/frequency domain data change-over circuit concatenation number According to integrated circuit.
7. a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods according to claim 3, it is special Sign is:The Data Analysis Services module includes database, data comparison module.
8. a kind of transformer moisture measurement device based on PDC/FDS dielectric response methods according to claim 3, it is special Sign is:The input-output system includes data read/write module, display, printer and keyboard, and data read/write module passes through USB connecting lines are connected with display, printer and keyboard equipment respectively.
CN201721036065.7U 2017-08-18 2017-08-18 Transformer moisture measurement device based on PDC/FDS dielectric response methods Active CN207181351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721036065.7U CN207181351U (en) 2017-08-18 2017-08-18 Transformer moisture measurement device based on PDC/FDS dielectric response methods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721036065.7U CN207181351U (en) 2017-08-18 2017-08-18 Transformer moisture measurement device based on PDC/FDS dielectric response methods

Publications (1)

Publication Number Publication Date
CN207181351U true CN207181351U (en) 2018-04-03

Family

ID=61741502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721036065.7U Active CN207181351U (en) 2017-08-18 2017-08-18 Transformer moisture measurement device based on PDC/FDS dielectric response methods

Country Status (1)

Country Link
CN (1) CN207181351U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108896826A (en) * 2018-07-17 2018-11-27 国网湖北省电力有限公司孝感供电公司 Transformer oil dielectric loss test method, device and electronic equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108896826A (en) * 2018-07-17 2018-11-27 国网湖北省电力有限公司孝感供电公司 Transformer oil dielectric loss test method, device and electronic equipment

Similar Documents

Publication Publication Date Title
CN201654130U (en) Automatic measuring and calibrating device of high-impedance measuring apparatus
CN107290399A (en) Transformer moisture measurement device based on PDC/FDS dielectric response methods
CN109001598A (en) A kind of method of application depolarising electricity growth rate assessment transformer oil paper insulation ageing state
CN103823162A (en) Power transformer insulation aging state assessment method based on frequency domain Cole-Davidson model
CN207181351U (en) Transformer moisture measurement device based on PDC/FDS dielectric response methods
CN105223536B (en) A kind of portable electric meter field calibration system
CN201965224U (en) Automatic school system that examines of proof voltage instrument
CN108680834A (en) A kind of detection method of the transformer insulation state based on PDC
CN101893544A (en) Surface wettability sensor
CN201583600U (en) Device for testing the dielectric loss of high voltage transformer
CN205789242U (en) A kind of power cable semi-conductive layer resistivity test device
CN2600820Y (en) Internal resistance of source measuring instrument
CN106842098A (en) A kind of voltage sensor of suitable substation field measurement
CN204964744U (en) On --spot calibration system of portable electric energy meter
CN211426770U (en) Critical current testing device for short sample of superconducting cable
CN106404843A (en) Electrical measurement based four-point type nondestructive test probe with adaptive adjustment
CN206470386U (en) A kind of voltage sensor of suitable substation field measurement
KR20110066693A (en) Static monitoring device for high voltage motor
CN207232259U (en) A kind of detection circuit of partial discharge of transformer high frequency sensors transfer impedance
CN201903636U (en) Insulating oil breakdown voltage tester standard device based on &#39;initiative breakdown&#39; mode
CN208672704U (en) A kind of all-metal Hall current sensor
CN206657031U (en) Cell piece printing experiment contact resistance test web plate
CN205718961U (en) A kind of tantalum wire surveys wave apparatus
CN212031610U (en) On-spot electric energy loss testing arrangement
CN207232365U (en) A kind of inspection circuit of partial discharge of transformer high frequency measuring instrument detection frequency band

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant