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Chapter 2 — Getting to Know the DWR-10 

Page 26 

September 2004 

Mode Menu Option 

The 

Mode 

option on the menu

 

list allows you to select the 

measuring mode for the DWR-10, either manual or timed. 

Manual 

mode is the default value. 

 

For detailed information on these modes, see page 39. 

Print Menu Option 

Select the 

Print 

option to display the Print toolbar. 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 setting after it has been entered in 

Timed 

mode. 

The 

Time Interval 

setting window appears. 

Change the number of seconds by turning the knob and 
pressing 

OK

 when the correct number is highlighted. The 

default value is 

15 

seconds. It can be set from 5 seconds 

to 100 seconds.  

All manuals and user guides at all-guides.com

all-guides.com

Содержание DWR-10 Reporter

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

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

Страница 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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