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TRT30C

THREE-PHASE TRANSFORMER

TURNS-RATIO TEST INSTRUMENT

Manual

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Содержание TRT30C

Страница 1: ...TRT30C THREE PHASE TRANSFORMER TURNS RATIO TEST INSTRUMENT Manual ...

Страница 2: ...ameters 10 4 Error Messages 13 4 1 Error Message Excitation current too high 13 4 2 Error Message Turns ratio too low 13 4 3 Error Message Malfunction 13 4 4 Error Message Error printer 14 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 15 4 9 Error Message Connections 15 5 Technical Data 16 5 1...

Страница 3: ...erms in this Manual These terms may appear in the Manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or to other property Terms on the Device The following warning terms used in this document may appear on the device WARNING Warning ind...

Страница 4: ...he TRT30C Hazardous voltages exist on the terminals of the TRT30C when the Red LED is lit Never assume that the connections are safe even if this LED is off Switch off and unplug the TRT30C before touching the connections particularly if a fault is suspected Before putting the TRT30C into operation check the test set for any visible damage Do not operate the TRT30C under wet or moist conditions co...

Страница 5: ...erference in which case the user may be required to take adequate measures Il s agit d un produit de classe A Dans un environnement domestique ce produit peut provoquer des interférences radio auquel cas l utilisateur peut être amené à prendre des mesures adéquates 1 3 Measurement Category The TRT30C is intended to be used for measurements in Measurement Category I CAT I for voltages up to 250V Th...

Страница 6: ...ry side and measures the induced voltage at the transformer s secondary side If the test object is a three phase transformer or a three phase autotransformer the TRT30C can 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 that any uses of ...

Страница 7: ...the TRT30C is separated from the mains power supply 2 Protective Earth Connector For protection against parasitic currents or voltages always connect the TRT30C 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 Con...

Страница 8: ...arted 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 Interface Th...

Страница 9: ...ing situations Cable test leads are terminated with the specially adjusted clips The colors and markings of the test cables are shown in 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 the other connection leads It must be placed in such a way that it is completely i...

Страница 10: ...hidden Only true three phase test True 3 phase test using 3 phase voltage AUTO hidden hidden Autotransformer menu See table 4 Press ENTER to choose one of the available options in the configuration menu 1 If the vector group is selected the TRT30C 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 voltages...

Страница 11: ...on calculation is enabled the following menu is displayed for entering the name plate voltages and the tap changer positions If the name plate voltages are not entered the TRT30C 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 selection The next d...

Страница 12: ...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 previous menu Th...

Страница 13: ...repeated with a lower test voltage Another reason for an excitation current which is too high is that the connections are reversed If there are 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...

Страница 14: ... Check paper is displayed if the printer is out of paper 4 6 Error Message USB flash drive If the USB flash drive is not plugged in while trying to export the data the error message shown below will be displayed 4 7 Error Message Connect both neutral cables If one of the neutral cables is not connected to the autotransformer under test during AVGD test the error message shown below will be display...

Страница 15: ...he Emergency stop button by rotating it clockwise 4 9 Error Message Connections The Error message Connections is displayed if the H or X cables are not connected properly to the TRT30C There are also green LED lights near the connectors which light up to indicate that these connectors are connected properly Figure 4 9 Error message Connections Figure 4 8 Error message Emergency stop ...

Страница 16: ...125 1000 3999 0 125 4000 15000 0 25 80 V AC 0 8 999 0 125 1000 3999 0 25 4000 15000 0 5 40 V AC 0 8 999 0 125 1000 3999 0 25 4000 15000 0 5 8 V AC Excitation Current Range 0 2 A Typical Excitation Current Accuracy 0 25 500 μA Guaranteed Excitation Current Accuracy 0 25 1 mA Excitation Current Resolution 0 9 9999 mA 0 1 μA 10 99 999 mA 1 μA 100 999 99 mA 10 μA 1 2 A 100 μA Phase Angle Range 360 Deg...

Страница 17: ...a M T030CN 203 EN 17 5 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 18: ...KO Power AB 181 50 Lidingö Sweden These documents are protected by Swedish Copyright law and international contracts as intellectual property of the IBEKO Power AB The documents contain confidential information of IBEKO Power AB which is protected by patent copyright trademarks or otherwise as inventions trademarks or creations of IBEKO Power AB The reproduction duplication transmission or use of ...

Страница 19: ... Manufacturer Contact Information M T030CN 203 EN 19 Manufacturer Contact Information IBEKO POWER AB Box 1346 181 25 Lidingö Sweden Fax 46 8 731 77 99 E Mail support dv power com Website http www dv power com ...

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