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TRT3x 

THREE-PHASE TRANSFORMER 

TURNS-RATIO TEST INSTRUMENT 

Manual 

 
 
 

 

 
 
 
 
 
 

 

 

 

 

Содержание TRT3 Series

Страница 1: ...TRT3x THREE PHASE TRANSFORMER TURNS RATIO TEST INSTRUMENT Manual ...

Страница 2: ... Message Malfunction 13 4 4 Error Message Error printer 13 4 5 Error Message Check paper 14 4 6 Error Message USB flash drive 14 4 7 Error Message Connect both neutral cables 14 4 8 Error Message Emergency Stop 14 4 9 Error Message Connections 15 5 Troubleshooting Guide 16 6 Customer Service 17 7 Packing the Instrument for Shipment 17 8 Technical Data 18 8 1 Mains Power Supply 18 8 2 Output data 1...

Страница 3: ... in the Manual WARNING Warning indicates that potential hazard may occur CAUTION Caution indicates that potential damage may occur to the instrument or to the test object connected to the instrument Terms on the Device The following warning terms used in this document may appear on the device WARNING indicates that potential hazard may occur CAUTION indicates that potential damage may occur to the...

Страница 4: ...ing connections particularly if a fault is suspected Before putting TRT3x into operation check the test set for any visible damage Do not operate TRT3x under wet or moist conditions condensation Do not operate TRT3x if explosive gas or vapors are present Only external devices that meet the requirements for SELV equipment according to EN 60950 or IEC 60950 should be connected to TRT3x through the s...

Страница 5: ...be used for measurements in Measurement Category I CAT I for voltages up to 250V The device is also designed to withstand occasional transient overvoltage up to 1000Vpk WARNING AVERTISSEMENT This equipment is classified as measurement category I and must not be used within measurement category II III and IV Cet équipement est classée dans la I catégorie de mesure et ne doit pas être utilisé pendan...

Страница 6: ...apply either three single phase test voltages in turns or a true three phase test voltage to the transformer primary windings Three induced voltages at the transformer s secondary side are measured Please note any use of TRT3x other than the ones described in this Manual are considered improper and will void the device warranty ...

Страница 7: ...on TRT3x is separated from the mains power supply 2 Protective Earth Connector For protection against parasitic currents or voltages always connect TRT3x protective earth connector to the protective ground PE Use only the original cable For safety reasons always establish this connection before establishing any other connection and remove this connection as the very last step 3 Operator Control Di...

Страница 8: ... be started Red LED Lights continuously in case of an operational error Lights continuously when a test is started and a test voltage is applied 4 H and X Terminals H cable terminal The terminal for connecting the H test cable X cable terminal The terminal for connecting the X test cable 5 Emergency Stop Turns off output voltage in case of an emergency 6 Interface and Flash Drive Connectors Interf...

Страница 9: ... terminated with the specially adjusted clips The colors and markings of the test cables are shown in the Table 1 Table 1 Test lead colors and markings If the primary neutral connection does not exist the 1N H0 N lead should be left isolated from the transformer i e the test object and from the other connection leads It must be placed in such a way that it is completely isolated from other connect...

Страница 10: ... hidden hidden Only true three phase test True 3 phase test using 3 phase voltage AUTO hidden hidden Autotransformer menu See the Table 4 Press ENTER to choose one of the available options in the configuration menu 1 If the vector group is selected TRT3x will perform both the true three phase test by applying true three phase test voltage and the phase by phase test by applying single phase test v...

Страница 11: ...ratio deviation calculation is enabled the following menu is displayed to enter the name plate voltages and the tap changer positions If the name plate voltages are not entered TRT3x will perform the test and display the results but it will not calculate or display the turns ratio deviation After the name plate voltages and tap changer position s are entered press ENTER to confirm a selection The ...

Страница 12: ...sition of the transformer Test Record can contain the results of all tap changer positions or the complete results obtained from one transformer Note Manual selection of record reading will delete results from the existing memory locations Once these parameters are defined pressing ENTER changes the status to the READY state If one of the values has to be changed press STOP to return to the previo...

Страница 13: ... no connections errors found there may be a short circuit within the transformer itself 4 2 Error Message Turns ratio too low This message is displayed if the turns ratio of the transformer under the test is lower than 0 8 In this case the user should check whether H and X cables are misplaced reversed 4 3 Error Message Malfunction In the case of an internal error TRT3x will display the massage Ma...

Страница 14: ...7 Error Message Connect both neutral cables If one of the neutral cables is not connected to the autotransformer during the AVGD test this message will be displayed User needs to connect both neutral cables to avoid this message 4 8 Error Message Emergency Stop This message is displayed when the Emergency stop button on the front panel of the device is pressed Release the Emergency stop button by ...

Страница 15: ...ge Connections The Connections is displayed if the H or X cables are not connected properly to TRT3x There are also green LED lights next the connectors that lights up to indicate these connectors are connected properly Figure 4 9 Error message Connections ...

Страница 16: ...rform the test three four times using each test voltage Save all results 2 Connect the shorted primary and secondary cables clamps of TRT3x instrument to the primary side of the transformer as shown in the figure below Perform the test three four times using each test voltage Save all results 3 Take the secondary cables clamps of TRT3x instrument from the primary side of the transformer and connec...

Страница 17: ... busy telephone lines do not delay the response 7 Packing the Instrument for Shipment Prior to sending the instrument to DV Power for servicing please contact the DV Power Customer Service at Local support Sweden 46 8 731 78 24 International support 46 70 0925 000 E mail support dv power com for the return instructions Note DV Power is not responsible for any damage during shipping Please carefull...

Страница 18: ... resolution 5 digits Typical turns ratio accuracy 0 8 999 0 05 1000 3999 0 05 4000 15000 0 1 80 or 100 V AC 0 8 999 0 05 1000 3999 0 1 4000 15000 0 2 40 V AC 0 8 999 0 05 1000 3999 0 1 4000 15000 0 2 8 or 10 V AC 0 8 999 0 05 1000 1999 0 1 1 V AC Guaranteed turns ratio accuracy 0 8 999 0 125 1000 3999 0 125 4000 15000 0 25 80 or 100 V AC 0 8 999 0 125 1000 3999 0 25 4000 15000 0 5 40 V AC 0 8 999 ...

Страница 19: ...Maximum relative humidity 95 non condensing 8 5 Dimensions and Weight Dimensions W x H x D 480 x 197 x 395 mm 18 9 x 7 75 x 15 55 in Weight 8 kg 17 5 lbs 8 6 Applicable Standards Installation overvoltage category II Pollution degree 2 Safety LVD 2006 95 EC CE Conform Standard EN 61010 1 2001 EMC Directive 2004 108 EC CE Conform Standard EN 61326 1 2006 ...

Страница 20: ...le 3 m 3 connection with TTA clamps HC 03 03MCWC X winding test cable 3 m 3 connection with TTA clamps XC 03 03FCWC H winding test cable 10 m 3 connection with TTA clamps HC 10 03MCWC X winding test cable 10 m 3 connection with TTA clamps XC 10 03FCWC H winding test lead 3 m 1 connection with TTA clamps HC 03 01MCWC X winding test lead 3 m 1 connection with TTA clamps XC 03 01FCWC H winding test l...

Страница 21: ...urate and up to date as possible IBEKO Power AB assumes no responsibility for errors or omissions or for damages resulting from the use of the information contained herein IBEKO Power AB cannot take over liability resulting in any way from the use of this document or parts thereof The product information pictures drawings and all technical data contained within this manual are not contractually bi...

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