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Megger IDAX Series, User Manual

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Megger IDAX Series User Manual Download Page 7

IDAX

7

© 2009 Megger AB

1.2

Instrument Panels

1.2.1

IDAX-300 Front Panel

Overview

 

Power

a) Power ON/OFF switch

Turns unit on and off.

b) Mains connector

For connecting to mains outlet.

c) Fuse

Use small screwdriver to gently pry out
to change the fuse, F1, 2A slow blow.

Interface

d) USB Port

for connecting computer

e) ETHERNET

RJ45 connector for Ethernet connection
via twisted pair cable.

      

Summary of Contents for IDAX Series

Page 1: ...2009 Megger AB IDAX User s Manual...

Page 2: ...rol Part II Results User Interface 25 26 1 Results Menus and Commands 63 2 Test Browser Part III IDAX Error Messages 66 70 1 347 Output voltage is not within specified limits 70 2 361 Overvoltage 70 3...

Page 3: ...re given in sections Specifications System and accessories Safety precautions 1 1 1 Specifications The Insulation Diagnostic System IDAX measures the insulation impedance at different frequencies for...

Page 4: ...UST 1 UST 2 UST 1 GST Guard 2 UST 2 GST Guard 1 UST 1 2 GST Calibration Calibration box allows field calibration recommended interval 2 years General Mains Input nominal 90 265 V ac 50 60 Hz Power Co...

Page 5: ...IDAX 5 2009 Megger AB 1 1 2 System and Accessories 1 1 2 1 IDAX 300 System and Accessories IDAX 300 Transport case Cables...

Page 6: ...d between mains outlet protective ground and the test object protective ground then additional measures described in local safety standards should be applied to ensure personal safety The measurement...

Page 7: ...ower ON OFF switch Turns unit on and off b Mains connector For connecting to mains outlet c Fuse Use small screwdriver to gently pry out to change the fuse F1 2A slow blow Interface d USB Port for con...

Page 8: ...tor output connector h Active Red high intensity LED Is lit when the output is switched on dark when the output is switched off External i AMPLIFIER Connector for external amplifier Input j Input 1 an...

Page 9: ...s theoretical models used for presenting measurement results 1 4 1 How Impedance is Measured IDAX measures impedance By measuring the impedance at one point i e at a specific frequency and amplitude p...

Page 10: ...angular Two simple models which are usually used in circuit analysis although more seldom in insulation analysis are capacitance C and resistance R The equivalent RC circuit models available are serie...

Page 11: ...of the sample described in terms of the geometrical capacitance C0 has to be defined In the illustration below a vacuum or air filled capacitor of defined geometry is shown Since no material is betwe...

Page 12: ...ted as follows The impedance value Z used in the calculation is the first measurement point in the actual measurement 1 5 Getting Started with IDAX This describes how to perform a diagnostic measureme...

Page 13: ...necting IDAX 1 5 1 Measurement 1 Make sure that IDAX is properly connected to mains outlet 2 Turn on IDAX using the mains switch POWER on the front panel The IDAX performs a self test and start up pro...

Page 14: ...equence when using IDAX 300 The specimen to be measured using the built in capacitance box built into the system that terminates at the front panel The respective capacitances are C10 2 5 nF C12 4 7 n...

Page 15: ...nd Specimen have been followed 2 Connect the output to the lower capacitance connector 3 Connect Current 1 and Sense 1 to the top capacitance connector 4 Remove possible ground connections from somewh...

Page 16: ...from the connection pins 5 Turn on the output switch activate the output and then start the measurement 6 Wait until measurement is finished or abort earlier by stopping the measurement 1 5 1 2 Compar...

Page 17: ...moved between test 2 and test 3 between test 4 and test 5 If use IDAX 206 IDA 200 on a three winding transformer the leads need to be moved between every test If using IDAX 300 with two electrometers...

Page 18: ...lue is the output voltage from the second electrometer The output voltage from the electrometer is a function of the current through the sample 3 The instrument stops automatically after the last meas...

Page 19: ...ch parameters are of interest to the user the measurement data can be presented using different models E g in the tand model the dissipation and or power factor as well as capacitance can be displayed...

Page 20: ...Hz Data tab is active 1 5 4 Selecting Models 1 Select Configuration Models in Results window and all available models will be presented as shown below In this picture both the Dielectric and C PF Tan...

Page 21: ...system hard disk or the measurement computer s hard disk on an IDAX 300 system and can be opened and analysed at any time For comparison purposes many measurements can be loaded into the same Results...

Page 22: ...and current curve forms 1 6 1 Message Window Messages from IDAX system to the user will be displayed in the Messages window For example if a measurement was aborted prematurely by the program the rea...

Page 23: ...l control The gain of the input channels can be adjusted with the two vertical slide bars next to the Grid check box at the oscilloscope window The voltage range is displayed beside the Ch0 and Ch1 ch...

Page 24: ...eset The settings for a cable set can be edited What the different settings means is explained in this table Generator Input 1 Input 2 Ground R Ohm Resistance of centre conductor Resistance of centre...

Page 25: ...every two years 1 6 8 Calibration Procedure IDAX 300 It is recommended to calibrate the IDAX 300 at least once a year There are two options regarding calibration of IDAX 300 The IDAX unit can be sent...

Page 26: ...files etc Edit Menu Editing and changing properties of opened measurements Diagram Menu Zooming features View Menu Selection of presentation form Configuration Menu Configuration of Results window set...

Page 27: ...e As Save the current template under a new name Load D file Temporarily load a measurement file into Results Import Import measurement data Export Export measurement data Print Print short summary of...

Page 28: ...IDAX User s Manual 28 2009 Megger AB 2 Select appropriate object template by using Browse button and press Open 3 Enter name for the new object for example Test capacitor obj and press OK...

Page 29: ...s 2 From File menu select File New Measurement Template enter a name e g template icf for new template and press Save New empty template will appear in Text View mode for editing See also section IDAX...

Page 30: ...nt file s is imported Note Before creating new Measurement Sequence at least one measurement template must be associated with the test object 1 To create new test sequence select New Measurement Seque...

Page 31: ...files for selected measurement object using this command It invokes a dialog window where user can manipulate with available Measurement Templates see picture below This dialog window can be also inv...

Page 32: ...equence Object All sweeps in all data files in all Measurement Sequences under selected Object 2 1 1 5 File Remake Measurement In cases when user is dissatisfied with a certain measurement it is possi...

Page 33: ...ingle measurement files D files During loading a Temporary Object and Temporary Sequence are created as shown in picture below All subsequent data files are opened under the same Temporary Sequence Th...

Page 34: ...ct Templates Import selected Object Templates 2 1 1 9 1 File Import IDA Zip File Short cut keys Ctrl Alt I Import the data in from archived izf format Data are inserted among existing measurements pre...

Page 35: ...009 Megger AB 4 Select the Measurement Sequence 5 Select measurement s to be imported By default all measurements located in given directory are imported Deselect those which not to import by unchecki...

Page 36: ...n be imported from a selected location on the IDAX hard drive or user s computer It is done by invoking a dialog window shown below from menu File Import Measurement Templates 1 Choose directory where...

Page 37: ...location on the IDAX hard drive or user s computer It is done by invoking a dialog window shown below from menu File Import Object Templates 1 Choose directory where the template s to be imported are...

Page 38: ...rt of the data in an archived izf format By exporting data into an IDA Zip File the data structure is preserved It is possible to export individual measurements Object and Measurement Sequence informa...

Page 39: ...rface 39 2009 Megger AB Moreover it is possible to export also the measurement file itself by checking checkbox Include D File which may be favourable when exporting to floppy disk 2 1 1 10 3 Header E...

Page 40: ...IDAX User s Manual 40 2009 Megger AB Export without header 2 1 1 10 4 Point Comma Point as a decimal separator Comma as a decimal separator...

Page 41: ...w shown below from menu File Export Measurement Templates 1 Select templates to be exported side from available templates in the left hand 2 Press Add button or double click by left mouse button 3 Cho...

Page 42: ...te 1 Select it from the right hand side from selected templates 2 Press Remove button or double click by left mouse button 2 1 1 11 File Print Shortcut keys Ctrl P The Print command allows user to pri...

Page 43: ...special set of drivers only option available when creating report on IDAX MS Word Create Report using features Microsoft Word text editor Requires MS Word application installed on computer 2 1 1 12 1...

Page 44: ...1 1 12 2 MS Word Report MS Word report generator allows for designing viewing and printing reports using Microsoft Word features When invoking MS Word report generator a dialog window allows for choos...

Page 45: ...made from menu Configuration Program where the appropriate executable file is selected in dialog box Now the data file loaded into Results can be sent to the chosen external program from File Send to...

Page 46: ...4 File Rename File Folder 1 Select the file or folder to be renamed 2 Choose Rename File Folder from menu or right click on the file or folder 3 Type new file or folder name and press Enter 2 1 1 15 F...

Page 47: ...object s or text to clipboard Copy All Copy all selected objects or text to clipboard Cut Cut object s or text to clipboard Paste Paste object s or text from clipboard Select All Select all object s o...

Page 48: ...7 Edit Toggle Sweep Toggles between Mark Sweep and Unmark Sweep i e displays or hides the selected sweep s in the graph table and the values at power frequency The effect of Toggle Sweep depends on p...

Page 49: ...is hidden 2 1 2 10 Edit Change Sweep Color Changes colour appearance of selected sweep Change Sweep Color invokes a colour dialog window from which a desired colour for sweep can be selected This com...

Page 50: ...IDAX User s Manual 50 2009 Megger AB 2 The marked area will the be magnified to cover the entire graph area as shown below...

Page 51: ...ment Templates 2 1 4 1 View Browser Toggles between hide and show Test Browser It may be convenient to hide it in order to maximise the area for graphical output as well as for table and when editing...

Page 52: ...ys information relevant to given measurement occasion Measurement Sequence can be edited using also Text view mode The changes made here will however be unique for the given Measurement Sequence only...

Page 53: ...to existing object s Information Measurement Plan Measurement Plan displays the same information as Measurement Template and can be edited also using Text view mode In the Text view mode appearance of...

Page 54: ...owever multiple variables and commands can be entered in the same row if they are separated with semicolons When the measurement is started current Measurement Plan is copied to a file LastC icf in D...

Page 55: ...measured values loss tangent power factor PF capacitance C and others in Table mode also hum current DC offset and object s capacitance are shown for specified configurations 2 1 4 8 View 50 60 Hz Dat...

Page 56: ...les D files but their editing is disabled 2 1 4 10 View Show Measurement Templates Shows or hides Measurement Templates associated to objects in Test Browser Hiding templates saves space in Test Brows...

Page 57: ...n the alternatives appear as a drop down menu see below and user can select the appropriate one 3 Highlighting settings allows user to change the color scheme for appearance of text editor see example...

Page 58: ...llows the names scales grid prefixes etc on the axes to be modified The dialog is divided into three parts Title X axis Y axis 2 1 5 2 2 1 Autoscale Autoscale automatically sets the scale so that all...

Page 59: ...lues are not possible to display in logarithmic scale 2 1 5 2 2 5 Precision Precision sets how many digits of the point is presented in the Graph Table 2 1 5 2 2 6 Prefix Scientific Changes between Pr...

Page 60: ...et to white 2 1 5 3 Configuration Table Allows user to choose between displaying or hiding the disturbance data when in Table mode 2 1 5 4 Configuration Power Data Configures display of desired values...

Page 61: ...urther data analysis This is done by providing the search path to this program as shown below 2 1 5 6 Configuration Models Shortcut keys Ctrl M Command Configuration Models invokes a window where avai...

Page 62: ...lts window where one can choose which parameters are to be shown Below the Dielectric and C PF Tan Delta models are chosen to be used in Results and e as a parameter is displayed in the graph 2 1 6 Im...

Page 63: ...paration of measurements and presentation of results Command and Variable Reference Reference of programming directives IDAX Error Messages Error messages generated by IDAX and possible countermeasure...

Page 64: ...ce is created in order to make a measurement and therefore at least one Measurement Template must be associated with the Object Measurement structure In order to perform a measurement a Measurement Se...

Page 65: ...W CH measurement of insulation between high voltage winding and ground 2W CHL measurement of insulation between high and low voltage windings 2W CL measurement of insulation between low voltage windin...

Page 66: ...emplates Object Templates are templates which are recommended to use when creating new objects Available pre specified templates are Test Capacitor General Specimen Autotransformer with Tertiary Bushi...

Page 67: ...typing error 210 Boolean is expected for check box CB Check boxes can have only Boolean values 211 Not an integer Parameter values must be of the same type as in the parameter declaration 212 Not a re...

Page 68: ...ments in a command 314 No Amplitude Amplitude must be assigned See User s Manual Appendix A 5 for options 315 No Frequency Frequency must be assigned See User s Manual Appendix A 5 for options 319 No...

Page 69: ...x error in Calibration or Selftest files 361 Overvoltage An overvoltage occurred 364 Measured capacitances don t match Disagreement between values of capacitance measured for different configurations...

Page 70: ...ted due to overvoltage detected on measuring electrode Lo Potential difference between signal ground and real ground exceeds limiting value Possible reasons and countermeasures 1 Ground electrode is n...

Page 71: ...10 higher value than measured capacitance select another measurement configuration if possible decrease in test voltage allows for measuring at higher frequencies 3 6 367 Measured DC current MaxDCCur...

Page 72: ...6 60 Current Range 3 D Diagram Zoom In 49 Zoom Out 49 51 Directives Emmision 3 Immunity 3 LVD 3 Mechanics 3 Dissipation factor 10 E Edit Change Sweep Color 47 49 Copy 47 Copy All 47 48 Cut 47 48 Mark...

Page 73: ...ies 5 IDAX 206 System Control Comments 21 Message Window 21 Oscilloscope 21 Selftest 21 Impedance Measurement 9 Models 10 Impedance Models 62 Import 34 File to Structure 34 IDA Zip File 34 Measurement...

Page 74: ...3 User Interface 25 View Menu 51 S Safety 6 Scale 59 Scientific 59 Settings for Graph 58 Specifications 3 T Table Tab 19 Temperature 3 Operating 3 Storage 3 Test Browser 63 Data Structure 64 Measureme...

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