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Содержание TRM-20

Страница 1: ...RM 20 and TRM 40 TRANSFORMER RESISTANCE METERS USER S MANUAL Vanguard Instruments Company Inc 1520 S Hellman Ave Ontario California 91761 USA TEL 909 923 9390 FAX 909 923 9391 August 2017 Revision 1 5...

Страница 2: ...g including test preparation test lead connection actual testing and test lead disconnection SAFETY WARNING AND CAUTIONS The TRM 20 40 shall be used only by trained operators All transformers under te...

Страница 3: ...st Record Header Information 20 3 7 Setting the Date and Time 23 3 8 Setting the Interface Language 24 3 9 Performing a Resistance Test 25 3 10 Performing a Load Tap Changer Voltage Regulator Resistan...

Страница 4: ...al Single Phase TRM Connections 18 Figure 5 Typical TRM Connections Diagram for 2 Windings 18 Figure 6 Typical Resistance Test Results Printout 33 Figure 7 Typical LTC Voltage Regulator Test Report Pr...

Страница 5: ...RM 40 S USED IN the followin 0 and TRM 4 s used only in knob on the e referenced output is sh ns are provid ption 3 shou es are indica arning mess are indicate te details USER S MA N THIS DO ng conven...

Страница 6: ...gs against the factory test resistance values A special test mode allows the TRM to collect data automatically for up to 90minutes at 60 second sampling interval or 45 minutes at 30 second sampling in...

Страница 7: ...s An alpha numeric keypad is used to enter test information and to operate the unit Computer Interfaces The TRM can be connected to a PC via the unit s RS 232C USB or Bluetooth interface A PC can be u...

Страница 8: ...windin H x 9 D 53 cm 50 60 Hz 2000 Ohms to 500 Ohms micro ohms 0 iohms 1 re ms 1 5 read ncrements TR ing 18V DC m sistance readin 64 x 128 dot g wide thermal pr ords Each reco st records on e SB and B...

Страница 9: ...The purpose of the controls and indicators may seem obvious but users should become familiar with them before using the TRM Accidental misuse of the controls will usually cause no serious harm Users s...

Страница 10: ...the TRM printer paper press and release the key 2 4 Printer Paper The TRM s built in thermal printer uses 2 5 inch wide thermal paper for printing test results To maintain the highest print quality a...

Страница 11: ...p mal paper rmal paper w USER S MA al Printer P sed inside a w rinter cover rmal paper r paper roll nto the slot cally pull the the paper ho d align the th er a chemical co rint head In will show a re...

Страница 12: ...on the power on the TRM d If this is the first time you are connecting the unit to the PC Windows will recognize it as a new device and automatically install necessary drivers If using Windows XP you...

Страница 13: ...the Settings icon The following window will be displayed Make sure the Use USB Port option is UN checked Then from the COM Port drop down menu select the COM port that corresponds to the port that the...

Страница 14: ...pair the TRM to a PC via Bluetooth For Windows XP a Make sure the TRM is turned on Then double click on the Bluetooth system tray icon on the bottom right corner of your computer screen b The My Bluet...

Страница 15: ...ext button d The following window will be displayed asking for a secret key to connect to the TRM Type the word default without the quotes and in all lower case and then click on the Next button e The...

Страница 16: ...een will be displayed Click on the Finish button g The TRM 20 will now be displayed in the My Bluetooth Places window Note the port number listed under the device name In the above case the port numbe...

Страница 17: ...MANUAL 13 For Windows 7 a Make sure the TRM is turned on Then double click on the Bluetooth system tray icon on the bottom right corner of your computer screen b The Bluetooth Devices window will be...

Страница 18: ...tooth devices will be listed The TRM will be listed as TRM S N where S N is the device s serial number Click on the icon for the TRM and then click on the Next button d The device pairing screen will...

Страница 19: ...R S MANUAL 15 e The following window will be displayed Type the word default without the quotes and in all lower case in the text box and click on the Next button f The following screen will be displa...

Страница 20: ...evices Right click on the TRM 20 icon and select Properties from the pop up menu h The properties window will be displayed Click on the Hardware tab Note the port number listed after the device name C...

Страница 21: ...lt in he test clips ely discharge he transform M Connection ANUAL Tap Chang tions to a Loa ections ect any test l ent is being c n electric sh from the tra ed the transf mer bushing ns Diagram fo ger...

Страница 22: ...TRM 20 AND TRM 40 USER S MANUAL REV 1 5 18 Figure 4 Typical Single Phase TRM Connections Figure 5 Typical TRM Connections Diagram for 2 Windings...

Страница 23: ...l t cable plugs l jacks st cable clam TRM self calibrate w TEST P DIAGNOST USER S MA M are outline ubstation gr nect the TRM any transfor TRM le into a pow s and voltag mps to the tr e and then TICS 1...

Страница 24: ...s been entered it will apply to all subsequent test records To enter the header information a Start from the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 1 ke...

Страница 25: ...ng the keypad and then press the ENTER key f The following screen will be displayed Type the manufacturer name using the keypad and then press the ENTER key g The following screen will be displayed Ty...

Страница 26: ...pe the transformer s KVA rating using the keypad and then press the ENTER key j The following screen will be displayed Type the operator s name using the keypad and then press the ENTER key All header...

Страница 27: ...The following screen will be displayed Type the current date using the keypad The following screen will be displayed Enter the time using the keypad When the time has been entered you will be immediat...

Страница 28: ...T LANGUAGE c The following screen will be displayed Select the preferred interface language by pressing the corresponding key on the keypad 1 2 or 3 The interface language will be set and a confirmati...

Страница 29: ...be displayed Press the 2 key NO d The following screen will be displayed Press the 1 key V1 V2 RES TEST if you would like to perform a V1 V2 test Press the 2 key V1 ONLY RES TEST if you would like to...

Страница 30: ...f you wish to convert readings to standard temperature The following screen will be displayed Press the 1 key COPPER Tk 234 5 to select copper as the winding material Continue to step g Press the 2 ke...

Страница 31: ...onvert readings to standard temperature Continue to step i g The following screen will be displayed Use the PAPER Contrast and PAPER Contrast keys to adjust the D U T Device Under Test temperature Pre...

Страница 32: ...TART key t g screen will libratin ease wai V2 TE 0 amp te t to ru or op to a WARNING OUS FLAS CCUR IF SCONNECT to confirm t calculate the reen will be er that the n e be displaye to run the te be dis...

Страница 33: ...ge dep en the resist n as shown b he test and u ess you can reen to the is process ca anger LTC e Please see ge Regulato ressed the d een RESS 14 ST AMPS m m ZED RESS 14 AMPS m m ING t ZED ANUAL libra...

Страница 34: ...lowing screen will be displayed 1 YES Press the 1 key YES to print the test results on the built in thermal printer A sample test results printout is shown in Figure 6 Continue to step n 2 NO Press th...

Страница 35: ...working memory When a test is finished the user can append the new test results to the previous test results in the working memory as long as the unit s power has not been turned off between tests Pr...

Страница 36: ...ollowing screen will be displayed 1 YES Press the 1 key YES to save the test record Continue to step q 2 NO Press the 2 key NO if you do not want to save the test record The following screen will be d...

Страница 37: ...cord n has been ND TRM 40 g screen will e record num y to return to Figure 6 number 0 n saved USER S MA be displaye mber is auto o the START Typical Res 01 ANUAL d matically ass T UP menu sistance Tes...

Страница 38: ...t each tap position the resistance is measured displayed on the LCD screen and stored The TRM then instructs the user to change to the next tap position and repeat the testing process Use the steps be...

Страница 39: ...n is correct press the 1 key YES and continue to step f If the tap information is incorrect press the 2 key NO and return to step d f The following screen will be displayed Press the 1 key V1 V2 RES T...

Страница 40: ...if you wish to convert readings to standard temperature The following screen will be displayed Press the 1 key COPPER Tk 234 5 to select copper as the winding material Continue to step i Press the 2...

Страница 41: ...onvert readings to standard temperature Continue to step k i The following screen will be displayed Use the PAPER Contrast and PAPER Contrast keys to adjust the D U T Device Under Test temperature Pre...

Страница 42: ...V2 TE 0 AMP TE ap to 3 T to RU OR OP TO A WARNING OUS FLAS CCUR IF SCONNECT to confirm t calculate the be displaye e be displaye egulator tap ess and hold the button w Press the S be displaye ng t ES...

Страница 43: ...elow Press the ENTER key to accept and save the readings o The following screen will be displayed Once the reading has been saved the following screen will be displayed momentarily TEST IN PROGRESS 14...

Страница 44: ...e following screen will be displayed after the last Raise position s resistance reading is stored 1 YES Press the 1 key YES to print the test results on the built in thermal printer A Typical LTC Volt...

Страница 45: ...u do not wish to save the test record press the 2 key NO The following screen will be displayed Press the 1 key DO NOT SAVE RECORD to NOT save the test record You will be returned to the START UP menu...

Страница 46: ...TRM 20 AND TRM 40 USER S MANUAL REV 1 5 42 Figure 7 Typical LTC Voltage Regulator Test Report Printout...

Страница 47: ...a Start from the START UP menu Press the 1 key TEST XFMR b The following screen will be displayed Press the 2 key SPECIAL RES TEST c The following screen will be displayed Press the 1 key V1 V2 SPEC T...

Страница 48: ...ress the 6 key CUSTOM if you would like to enter a custom test current and then enter the current between 1A 40A on the next screen f The following screen will be displayed 1 YES Press the 1 key YES i...

Страница 49: ...essing the PAPER Contrast key You can decrease the Tk value by 0 5 C increments by pressing the PAPER Contrast key Press the ENTER key to confirm the temperature setting Continue to step e 2 NO Press...

Страница 50: ...he following warning screen will be displayed This warning is a reminder that the next sequence of test steps will run current through the test load Press any key to continue j The following screen wi...

Страница 51: ...size of the winding s inductance l The TRM determines when the resistance reading is stable and shows the resistance value on the LCD screen as shown below the first line shows the remaining test tim...

Страница 52: ...ES to sav NO if you d played DO NOT SA ned to the S SAVE RECO be displaye umber is au t record has or further inf out o the START 03 RE BE LOST SAVE REC CORD RD TRM 20 A d e the test re do not want AV...

Страница 53: ...REV 1 5 TRM 20 AND TRM 40 USER S MANUAL 49 Figure 8 Typical Special Test Report Printout...

Страница 54: ...AL RES T MIC LTC T USS WINDI TEST P DIAGNOST c LTC Tes conduct a re for 240 seco taps during iod Use the sults can onl our test resu orming this t P menu TEST be displaye MIC LTC TEST be displaye e op...

Страница 55: ...d Press the START key to run the test f The following screen will be displayed momentarily After the TRM has finished its internal calibration the following screen will be displayed When the TRM has d...

Страница 56: ...est If you have completed cycling through the taps it is recommended to stop the test manually If the test is performed for the duration of 240 seconds the graph printout will be rather long h When th...

Страница 57: ...en will be displayed Press any key to return to the START UP menu 2 NO Press the 2 key NO if you do not want to save the test results The following screen will be displayed Press the 1 key DO NOT SAVE...

Страница 58: ...TRM 20 AND TRM 40 USER S MANUAL REV 1 5 54 Figure 9 Typical Dynamic LTC Test Results Printout Showing an Opened Circuit...

Страница 59: ...P menu Press the 3 key USER DIAGNOSTICS b The following screen will be displayed Select the test current by pressing the corresponding numeric key on the keypad Press the 6 key CUSTOM if you would lik...

Страница 60: ...splayed Press the START key e The V1 V2 and test current I will be displayed as shown below Press the STOP key to end the test and return to the START UP menu USER DIAGNOSTICS V1 35 86 mV V2 38 43 mV...

Страница 61: ...ING c The following screen will be displayed Select the degaussing current by pressing the corresponding key on the alpha numeric keypad d The following screen will be displayed Press the ENTER key to...

Страница 62: ...l be displayed on the screen as shown below When the process is complete you will be returned to the START UP menu DEGAUSSING XFMR SETTING CORE CHARGING REVERS RESETTING CORE XFMR ENERGIZED DEGAUSSING...

Страница 63: ...2 key SETUP b The following screen will be displayed Press the 2 key PRINT RECORD c The following screen will be displayed 1 PRINT TO LCD Press the 1 key PRINT TO LCD to view the test record on the LC...

Страница 64: ...TRM 20 AND TRM 40 USER S MANUAL REV 1 5 60 2 PRINT TO PRINTER Press the 2 key PRINT TO PRINTER to print the test record on the unit s thermal printer You will then be returned to the START UP menu...

Страница 65: ...y SAVE R ORE RECOR RECORD RD DIRECT E RECORD TO THUMB RD ID T RECORD RESTORE TIME LANGUAGE TEST P DIAGNOST USER S MA to a Test R r is presente Drive If the remain in th ormed and th om the work e save...

Страница 66: ...RNALLY to save the test record to the unit s Flash EEPROM Continue to step e 2 SAVE TO THUMB DRIVE Press the 2 key SAVE TO THUMB DRIVE to save the test record to the connected USB Flash Drive The foll...

Страница 67: ...store a e START UP key SETUP g screen will key SAVE R g screen will tion 5 COPY nnected to t key RESTO ORE RECOR RECORD RD DIRECT E RECORD TO THUMB RD ID T RECORD RESTORE TIME LANGUAGE TEST P DIAGNOST...

Страница 68: ...h driv en will be dis ey INTERNA screen will b the steps be NUMBER ENTER REC restore The number using he following E RECORD R ORE RECOR RECORD N L TO SELE NAL STORA DRIVE ORD NUMBER LECT TRM 20 A d ve...

Страница 69: ...s the 2 key SCROLL TO SELECT to scroll through a directory of the test records The following screen will be displayed Press the PAPER Contrast key or the PAPER Contrast key to display the next or prev...

Страница 70: ...t the restored test record on the unit s built in thermal printer You will be returned to the START UP menu after printing is finished Press the 2 key NO if you do not want to print the restored test...

Страница 71: ...TRM s USB Flash drive port USB MEM port Then start from the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 3 key SAVE RESTORE RECORD c The following screen will...

Страница 72: ...d will be restored to the unit s working memory and the following screen will be displayed Press the 1 key YES if you would like to print the restored test record on the unit s built in thermal printe...

Страница 73: ...s USB MEM port and then start from the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 3 key SAVE RESTORE RECORD c The following screen will be displayed Press...

Страница 74: ...B Flash drive The following screen will be displayed Type the record number using the alpha numeric keypad and then press the ENTER key The test record will be copied to the USB Flash drive and the fo...

Страница 75: ...records from the TRM s Flash EEPROM to the connected USB Flash drive All test records will be copied from the unit to the connected USB Flash drive The following screen will be displayed when the pro...

Страница 76: ...enu Press the 2 key SETUP b The following screen will be displayed Press the 3 key SAVE RESTORE RECORD c The following screen will be displayed Press the 3 key RECORD DIRECTORY 1 RESTORE RECORD 2 SAVE...

Страница 77: ...ou will be returned to the START UP menu Press the 2 key SHORT DIRECTORY to print a short directory This lists the last 10 records stored in the TRM s memory After the directory is printed you will be...

Страница 78: ...nu Press the 2 key SETUP b The following screen will be displayed Press the 3 key RESTORE RECORD c The following screen will be displayed Press the 4 key ERASE RECORD 1 RESTORE RECORD 2 SAVE RECORD 3...

Страница 79: ...GLE E ALL RE OP TO E USER S MA be displaye USB Flash dr en will be di key ERASE I the steps b C ERASE SING played number that he following E RECORD ER ASE RECOR SINGLE E ALL REC OP TO EX INTERNA E THU...

Страница 80: ...o cancel the process and return to the START UP menu Press the ENTER key to proceed with deleting all the test records from the unit s Flash EEPROM The following screen will be displayed during the er...

Страница 81: ...b The following screen will be displayed Press the 3 key RESTORE RECORD c The following screen will be displayed Press the 4 key ERASE RECORD d The following screen will be displayed Press the 2 key E...

Страница 82: ...test record will be erased from the USB Flash drive and the following screen will be displayed Press any key to continue You will be returned to the beginning of step e Press the STOP key to return to...

Страница 83: ...records You will be returned to the START UP menu Press the ENTER key to proceed with deleting all the test records from the connected USB Flash drive The following screen will be displayed when all t...

Страница 84: ...ent resistance value at a different temperature The conversion is accomplished by the following formula Rs Rm Ts Tk Tm Tk Where Rs is the resistance at desired temperature Rm is the measured resistanc...

Страница 85: ...S Hellman Ave Ontario CA 91761 USA Phone 909 923 9390 Fax 909 923 9391 www vanguard instruments com Copyright 2017 by Vanguard Instruments Company Inc TRM 20 40 User s Manual Revision 1 5 August 1 201...

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