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ADWEL DWR-10 Reporter User Manual Download Page 2

 

Copyright © 2004 ADWEL International Ltd. 

Copyright in this document is owned by ADWEL International 
Limited except for information supplied by other parties. 

No reproduction of the whole or any part is to be made without the 
authority of ADWEL International Limited 

DWR-10 Reporter™ is a trademark of ADWEL International Ltd.  

 

Head Office: 

ADWEL International Ltd. 
50 Ironside Crescent, Unit 6 
Toronto, ON, Canada 
M1X 1G4 
 
Tel: 416-321-1988 
Toll-free: 800-463-9371 (Canada/U.S.) 
Fax: 416-321-1991 
Email: [email protected] 
Web: www.adwel.com

 

 

European Office:

 

ADWEL International Ltd. 
Park House, Greenhill Crescent 
Watford Business Park 
Watford, Herts, WD18 8PH 
United Kingdom 
 
Tel: 44-(0) 1923-254433 
Fax: 44-(0) 1923-218278 
E-mail: [email protected]

 

Version 02, September 2004

 

All manuals and user guides at all-guides.com

Summary of Contents for DWR-10 Reporter

Page 1: ...User Manual Model DWR 10 Reporter Winding Resistance Test Set ADWEL International Limited All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 2: ...k of ADWEL International Ltd Head Office ADWEL International Ltd 50 Ironside Crescent Unit 6 Toronto ON Canada M1X 1G4 Tel 416 321 1988 Toll free 800 463 9371 Canada U S Fax 416 321 1991 Email info ad...

Page 3: ...eatures 2 Options and Accessories 3 Standard Accessories 3 Test Leads 3 Optional Rigid Carrying Case 4 Custom Lead Lengths 4 Optional T Version 4 Operating Principles 4 Chapter 2 Getting to Know the D...

Page 4: ...l Menu Option 26 Files Menu Option 27 System Menu Option 28 Prompt Messages 30 Regular Messages 30 Warning Messages 30 Error Messages 31 Chapter 3 Measuring with the DWR 10 33 Preparation 33 Locating...

Page 5: ...le Viewer 48 File Information 49 Delete One File 50 Delete All Files 51 Transferring Files to a PC 51 Transfer Procedure 51 DWR File Transfer Window 53 File Information 53 Printed Reports 55 Appendix...

Page 6: ...All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 7: ...the DWR 10 Safety is the responsibility of the user 1 Read all safety and operating instructions before operating the equipment 2 Retain this User Manual for future reference 3 Heed all safety warnin...

Page 8: ...ts of the equipment and related circuits Never connect the test set to energized equipment Do not use the test set in an explosive atmosphere Stand clear of all parts of the high voltage circuit inclu...

Page 9: ...damage the current output is protected against interruptions that may occur during testing The test set s two potential channels are equipped with bi polar over voltage crowbars which provide a low r...

Page 10: ...ce and has a suitable two pole three terminal grounding type connector Before plugging in the three wire power cord make sure the receptacle is properly wired and has a ground contact Do not bypass th...

Page 11: ...g resistance test also checks for correct transformer connections and changes to the tap ratio The test is performed by injecting DC current through the resistance and measuring the resulting voltage...

Page 12: ...tions Large color LCD screen 120 mm x 90 mm 4 75 x 3 5 for entering equipment details and presenting results in various languages Bright LCD screen for easy viewing on a sunny day Graphical user inter...

Page 13: ...ngth 30 ft User Manual this document accessories case training video three rolls of thermal paper for the printer calibration certificate Test Leads Each DWR 10 comes with test leads for testing a sin...

Page 14: ...sion The DWR 10 is available in an optional T version In this model measurements can be taken automatically at set intervals and the date and time of the winding resistance measurement is also recorde...

Page 15: ...urrent through the windings It uses a 10 A 30 V source which is enough to drive the core quickly into saturation where small changes in current have no effect on the measured resistance By connecting...

Page 16: ...All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 17: ...ber 2004 Page 7 Getting to Know the DWR 10 This chapter describes the various features tools and screens of the DWR 10 and how to navigate the system Chapter 2 All manuals and user guides at all guide...

Page 18: ...ield The highlight will automatically pass from field to field as you turn the knob i e clockwise scrolls down and counter clockwise scrolls up Press and hold the knob for one second to save and exit...

Page 19: ...nd off switch at top left of panel Voltage selector and indicator Part of the main power switch Use a screwdriver to switch the voltage to either 115 V or 230 V A Channel A voltage connection top cent...

Page 20: ...mergency button Buttons for T Version Item Description Clock On Off Press to start or stop the clock and enable it to count Total Time When in Timed mode you can inject current and dump data without s...

Page 21: ...knob to save measured values q Toolbars highlight and press buttons to set test current resistance range or auto range also to save and end or to scroll through results A print toolbar and keyboard t...

Page 22: ...ed transformer was entered in the Unit Definition window the main data entry screen see page 24 it will display in the upper left corner of the main status panel Otherwise this space will be blank Dat...

Page 23: ...he session Interval Time Displays the chosen interval between two saved measurements in seconds During the interval time the test set records data automatically Next meas Indicates the remaining time...

Page 24: ...be modified here Above the Save button is the measuring position information e g 03 02 The left digit tells you where the displayed measurement is located in the measuring list when you scroll throug...

Page 25: ...ge appears CROWBAR PROTECTION ACTIVATED When the current drops the crowbar circuit resets itself and all warning messages disappear Reading Stability Indicates if the voltage reading and displayed res...

Page 26: ...of the channels is not used it can be turned OFF using the range switch for that channel The channel boards display information about the tap and winding as well as readings for recorded measurements...

Page 27: ...ar graph the current build up is shown as a percentage and in amps When it reaches 100 the current has stabilized to the nominal value The amperage shown will be the same as the nominal current value...

Page 28: ...us bar appears when the current injection begins and remains until dumping has ended Do not disconnect any leads during this time A warning prompt also appears on the main status panel red background...

Page 29: ...ting by looping through a finite number of possible values as you turn the knob Press to select a value and de activate the button If you press the Back button while a setting button is activated you...

Page 30: ...ble for the new current setting If not they automatically switch to the closest most precise range value available A and B Range buttons These setting buttons can be set to one of six values as you tu...

Page 31: ...ss to print the reading report Feed Press to make thermal paper come out of the printer in increments of 1mm Press and hold down the knob to make the paper feed continuously Reset Press to make the pr...

Page 32: ...dual letters and numbers on the keyboard Turn the knob clockwise to travel from A to End on the keyboard and counter clockwise to travel in reverse from End to A When the knob highlight reaches the en...

Page 33: ...the knob for one second Both actions save the new data in the field 6 Repeat the above steps for other fields 7 Press the Back button to close the keyboard toolbar and return to the default standard...

Page 34: ...efinition Menu Option Select this option to display the Unit Definition window This window also displays when you try to save a measurement but the serial number has not yet been entered The Unit Defi...

Page 35: ...Enter your company name Station Enter a substation number Designation Enter a transformer number Manufacturer Enter the name of the transformer manufacturer Operator Enter your name Notes Enter any r...

Page 36: ...oolbar Then press the Print button on the toolbar to print the measurement data for the selected tap or winding Time Interval Menu Option Select the Time Interval option to change the time interval se...

Page 37: ...mber 2004 Page 27 Files Menu Option The Files option allows you to open the File Viewer to open or delete a single file or delete all files For detailed information on the File Viewer see page 47 All...

Page 38: ...s settings that do not influence the measuring There are five sub menu options Item Description Date Time Displays a window where you can update the date and time turn and press the knob Format is yy...

Page 39: ...nloading files to a PC Language Select the language The default is English Selecting another language will automatically convert all screen and field information to that language About Displays inform...

Page 40: ...File Viewer window indicating that you can view a measurement file then press the Back button to return to the main screen Warning Messages Warning messages are always displayed in white letters on a...

Page 41: ...rror messages may sometimes appear in a pop up window not the command prompt line They indicate problems with the DWR 10 Error messages comes with an error number which can be helpful for the service...

Page 42: ...All manuals and user guides at all guides com...

Page 43: ...controls Horizontal or vertical mounting will allow easy access to the front panel for reading and adjusting Be sure not to block the fan intake on the rear side or the fan outlet on the front panel...

Page 44: ...DWR 10 Turn on the power switch A splash window appears with the ADWEL logo and the DWR logo It also displays the code versions of the hardware Each time the instrument starts up it goes through a mem...

Page 45: ...e using only one channel use the Range button to set unused channels to the off position Press the Back button to return to the main screen List of Current Outputs and Ranges Each of the DWR 10 s four...

Page 46: ...s the speed of saturation and stability of the readings is increased because there are more amp turns contributing to the flux in the core The resistance measurement of both windings is made at the sa...

Page 47: ...lead connections Series Connection Table Current connections Voltage connections Type Test Current Current Jumper CH A CH B 1 H1 X2 H2 X0 H1 H2 X0 X2 2 H2 X3 H3 X0 H2 H3 X0 X3 Delta Wye Dyn1 5 3 H3 X...

Page 48: ...um of three alphanumeric digits In the example above the tap name is 1 If no tap name is entered the field displays with three dashes 3 To save press the End button or press and hold the knob for one...

Page 49: ...reports that include all saved data In Timed mode measurements can be taken automatically at set intervals or manually and the date and time of the winding resistance measurement is also recorded Meas...

Page 50: ...ump button again when you are finished The current indicator will turn red indicating the current is discharging 3 Do not disconnect the test leads until the reading becomes zero Testing and Saving Us...

Page 51: ...e Unit Definition window optional 3 Press the End Record Session button to save the manual file properly If desired you can conduct more tests on the transformer See Taps and Windings on page 45 Note...

Page 52: ...ings become stable When the stability indicator is green the readings may be completely stable However with large transformers the last digits of the reading may continue to drift lower for a few more...

Page 53: ...y entered and other data as desired 5 Press the Back button 6 Press the Tap Winding button and enter tap and winding information 7 At the same time disconnect the AC source that is injecting the power...

Page 54: ...another winding 1 Press the Auto On Off button to stop recording the Next meas field will display OFF 2 Press the Test Dump button 3 Change the windings 4 Press the Test Dump button again 5 Edit the...

Page 55: ...End Record Session button on the default toolbar to save the manual file Testing Tap with On load Tap Changer To test a tap on a transformer with an on load tap changer LTC you must first connect the...

Page 56: ...a de energized tap changer DETC 1 Press the Test Dump button to turn the current off 2 Change taps 3 Press the Test Dump button again to turn the current on 4 Edit the Tap and Winding fields 8 Press t...

Page 57: ...ete all files Quick Start 1 Press Open File Viewer from the menu list 2 Select and press any file 3 Review the readings in a file by pressing the Scroll Readings button in the toolbar and turning the...

Page 58: ...1 Select Open File Viewer from the menu list 2 When the list of files appears the first reading is highlighted blue by default Turn the knob to highlight a different reading if necessary 3 Press to o...

Page 59: ...ton again to exit the File Viewer File Information The File Viewer window lists the following information about each file Item Description Idx List order number Serial Serial number of the tested tran...

Page 60: ...f files appears the first reading is highlighted red by default Turn the knob to highlight a different reading if necessary 3 Press to delete the file A window displays to confirm you want to delete t...

Page 61: ...e Transfer software must be installed on the PC to handle the data transfer To install insert the CD ROM into the PC and double press on Setup DWR File Transfer to run the installation application Onc...

Page 62: ...e 8 On the PC double press on the icon DWR File Transfer This opens the file transfer software which automatically scans the port to locate the DWR 10 connection If the PC finds the DWR 10 connection...

Page 63: ...to the PC Scan Port Press to scan all available ports and check the connection with the DWR 10 File Information While transferring files the DWR File Transfer window displays status messages with hea...

Page 64: ...r characters T or M Test mode T is Timed mode and M is Manual mode 1 Number of files transformers with the same name serial number Ok or N OK indicates that the file was saved properly N means the fil...

Page 65: ...a of the print out displays all the information entered in the Unit Definition window see page 24 The recorded results of each individual measurement are displayed in the columns below the file header...

Page 66: ...B channel Res Displays the resistance value and measurement unit left column A channel right column B channel If a channel is off or over its range it will display OFF or OVER Amp Displays the test c...

Page 67: ...ted from over voltage transients and substation noise High speed current interrupt detector Audible warning horn during and after test Emergency off button Accuracy 0 25 rdg 0 25 FS Resolution 4 digit...

Page 68: ...menus and toolbars Memory At least 100 files with at least 120 measurements each in text files that are compatible with most spreadsheet formats Embedded Software Menus for setting up DWR changing lan...

Page 69: ...Appendix contains diagrams showing various options for connecting the DWR 10 to a transformer as well as ANSI vector diagrams and connection matrices Winding Diagrams Single Phase One Winding Appendix...

Page 70: ...Appendix B Connection Diagrams Page 60 September 2004 Single Phase Two Winding Test All manuals and user guides at all guides com...

Page 71: ...Appendix B Connection Diagrams September 2004 Page 61 Three Phase Two Windings Accessible Neutral All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 72: ...Appendix B Connection Diagrams Page 62 September 2004 Three Phase One Winding Non Accessible Neutral All manuals and user guides at all guides com...

Page 73: ...Appendix B Connection Diagrams September 2004 Page 63 Delta Delta Two Windings All manuals and user guides at all guides com...

Page 74: ...Appendix B Connection Diagrams Page 64 September 2004 ANSI Vector Diagrams Connection Matrices All manuals and user guides at all guides com...

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