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Megger IDAX 300, Руководство пользователя

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44

IDAX 300/322/350

ZP-AG03E

AG033586EE

8 SPECIFICATIONS 

Index

A

Analysis window ............................................ 31

C

Calibration ..................................................... 34
Configurations ............................................... 17
Connection examples .................................... 17

E

Error messages ............................................. 36

F

Front panel .............................................. 12, 14
Front panel IDAX 322 .................................... 13

I

IDAX 322 Interlock positions ......................... 17
Impedance is measured ................................ 38
Individual Temperature Correction ................. 23
Installation ..................................................... 15
Installation of IDAX 5 software ...................... 15
Instrument safety ............................................. 8
ITC1 ............................................................... 23

M

Maintenance .................................................... 9
Measurement technique ................................ 38
Modelling principles ....................................... 39
Moisture test .................................................. 20

O

Operating IDAX 5 .......................................... 24

P

Preparing instrument ..................................... 16
Preparing test object...................................... 16
Product description .......................................... 6

S

Safety .............................................................. 8
Safety instructions ........................................... 9
Sample modelling .......................................... 40
Service and support......................................... 7
Specifications ................................................ 42
Standard Accessories .................................... 15
Start the IDAX 5 software .............................. 20
Symbols ........................................................... 8

T

Test modes .................................................... 17

Test object ..................................................... 16

W

Warning and Caution Notices .......................... 8
Warranty .......................................................... 7
Warranty repair ................................................ 7

Содержание IDAX 300

Страница 1: ...User guide Art No ZP AG03E Doc AG033586EE V06a 2020 IDAX 300 322 350 IDAX 5 Software Insulation diagnostic analyzers...

Страница 2: ......

Страница 3: ...atics and technical descriptions or software listings that disclose source code are for informational purposes only Reproduction in whole or in part to create working hardware or software for other th...

Страница 4: ...es 17 Connection examples Power transformers 17 4 IDAX 5 Software 20 4 1 Moisture test 20 Start the IDAX 5 software 20 Measurement 21 Disconnect re connect 22 4 2 Measurement using Individual Tempera...

Страница 5: ...AG033586EE ZP AG03E IDAX 300 322 350 5...

Страница 6: ...or reliable test results in high interference environments The software makes testing both easier and faster allowing transformer moisture and oil assessment in about 23 minutes 20 C IDAX measures the...

Страница 7: ...e factory for repair must be shipped prepaid and insured Contact your Megger representative for instructions and a return authorization RA number Please indicate all pertinent information including pr...

Страница 8: ...d These notices appear in the format shown below and are defined as follows Warning Warning as used in this manual is defined as a condition or practice which could result in personal injury or loss o...

Страница 9: ...properly grounded both through its AC power cord and through the ground connector The AC power cord is the disconnecting device 8 Always disconnect test leads from test specimen before attempting to d...

Страница 10: ...the test set can be maintained by occasional cleaning of the case panel and cable assemblies The outside of the carrying case can be cleaned with detergent and water Dry with a clean dry cloth The co...

Страница 11: ...AG033586EE ZP AG03E IDAX 300 322 350 11 2 Safety...

Страница 12: ...and Input 2 blue First and second input channel Do not connect to mains or energized test objects Do not connect directly to Generator output 8 TEST Test inputs Can be used for controlling basic func...

Страница 13: ...ction to test object ground This is also used as measurement input Always connect the instrument to station earth ground using the separate earth ground cable The separate earth ground wire should be...

Страница 14: ...ound connector Connector for connection to test object ground This is also used as measurement input Always connect the instrument to station earth ground using the separate earth ground cable The sep...

Страница 15: ...the unit using the on off mains switch and disconnecting the mains cord IDAX 350 can be used as a central computer controlling other test instruments e g Megger FRAX and TTR Megger software is checke...

Страница 16: ...The IDAX unit will be detected by the IDAX software and the address identified Allow connection to the IDAX instrument Note If you have several instrument connected via e g a company network confirm a...

Страница 17: ...ing to change cable connections on the transformer The extended versions IDAX 300S and IDAX 350 as well as IDAX 322 have dual separate current measurement channels that allows for two completely indep...

Страница 18: ...a three winding transformer the IDAX 300 second input channel is utilized The test leads need to be moved between test 2 and test 3 and between test 4 and test 5 If using IDAX 300S 322 or IDAX 350 wit...

Страница 19: ...AG033586EE ZP AG03E IDAX 300 322 350 19 3 Instrument description...

Страница 20: ...former 4 Enter mandatory temperature data for ambient and object temperature highlighted Object temp C refers to insulation temperature Top oil or winding temperature is normally used as insulation te...

Страница 21: ...ccording to the picture in Hook up tab 13 Remove any grounding connection from the windings before you start the measurement 14 Connect to the IDAX instrument using the Connect button located on the r...

Страница 22: ...Recommendations in IEC 60422 and IEEE C57 106 Assessment of liquid conductivity is also based on experience as well as on IEC 60422 and IEEE C57 106 due to lack of more specific standards The limits f...

Страница 23: ...he IDAX 300 instrument and to the station ground near the test object transformer This cable acts as safety ground AND test input lead 10 Make sure that all HV phase terminals and any exposed neutral...

Страница 24: ...loaded to the IDAX 5 when it is re connected 4 3 Operating IDAX 5 Left section of the main window When no file is loaded the left section shows the latest used files for quick access and a button for...

Страница 25: ...ght closes the file At the bottom there is a button for deleting the selected sweep as well as the button for opening a new file Middle section of the main window Nameplate tab The Nameplate Tab shows...

Страница 26: ...s for capacitance dissipation factor tan delta and excitation current can be measured Multiple recordings can be made by repeating start Results are presented in table format DC In the DC tab you can...

Страница 27: ...two internal voltage sources One of maximum 200 V peak approximately 140 V RMS output voltage The second source has maximum 10 Vpeak approximately 7 V RMS By selecting External VAX and connecting the...

Страница 28: ...alysis are available based on single or two materials Single material Single material analysis is invoked when measuring bushings current transformers and other rather homogeneous materials 1 Press Ed...

Страница 29: ...t materials will let you choose which materials to use in the analysis window for specific objects A transformer usually has cellulose while an instrument transformer typically has Kraft paper as insu...

Страница 30: ...2 0 program in IDAX 4 1 Export Opens up a dialog box to export measurement data into text format compatible with e g MODS 2 0 Report Opens a dialog where selection between HTML PDF and MS Word report...

Страница 31: ...Change test voltage level by changing test voltage Change temperature of object insulation tested Start Stop Remake 1 Press button Start to start a test and press the button Stop to stop a test If yo...

Страница 32: ...asurement with automatic estimation of moisture content Besides qualitative analysis of moisture content parameters such as capacitance dissipation factor both measured and calculated at 20 C accordin...

Страница 33: ...AG033586EE ZP AG03E IDAX 300 322 350 33 4 IDAX 5 Software...

Страница 34: ...Cat No AG 90010 The second option means that the IDAX instrument is available since it does not need to be sent away for calibration The calibration procedure is easy to perform using the optional Ca...

Страница 35: ...AG033586EE ZP AG03E IDAX 300 322 350 35 5 Calibration...

Страница 36: ...s Lower the InitFrequency in the measurement plan see also Measurement variables Lower the test voltage 4 If you try to use an old version of IDAX software version 3 2 or earlier but the firmware in I...

Страница 37: ...ectrode and guard e g measuring a UST configuration between high and low voltage windings of a two winding transform er the low voltage winding has too low impedance to ground inductive voltage transf...

Страница 38: ...red by applying a voltage across the sample This voltage will generate a current through the sample By accurately measuring the voltage and the current the impedance can be calculated see illustration...

Страница 39: ...indings as one simple capacitance is a simplification of the real conditions This is one of the reasons why the modelled geometry may not correspond exactly to the real geometry in the transformer In...

Страница 40: ...f is frequency Another model more often used in insulation diagnostics is the complex capacitance model describing the insulation impedance as a complex capacitance where the imaginary part of the cap...

Страница 41: ...ither a dielectric model or a conductive model In the dielectric model the material capacitance the permittivity is a complex function describing both the capacitance and the loss Whereas in the condu...

Страница 42: ...higher Accuracy 0 5 0 0001 45 70 Hz C 100 pF with VAX 020 and IDAX 322 0 5 0 0002 45 70 Hz C 300 pF 1 0 0003 1 mHz 100 Hz C 1000pF 2 0 0005 100 Hz 1 kHz C 1000 pF Max AC interference 1mA 1 10 SNR IDA...

Страница 43: ...AG033586EE ZP AG03E IDAX 300 322 350 43...

Страница 44: ...nstallation 15 Installation of IDAX 5 software 15 Instrument safety 8 ITC1 23 M Maintenance 9 Measurement technique 38 Modelling principles 39 Moisture test 20 O Operating IDAX 5 24 P Preparing instru...

Страница 45: ...AG033586EE ZP AG03E IDAX 300 322 350 45 8 Specifications...

Страница 46: ...nt Low Resistance Ohmmeters Motor Phase Rotation Test Equipment Multimeters Oil Test Equipment Portable Appliance Tool Testers Power Quality Instruments Recloser Test Equipment Relay Test Equipment T1...

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