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OPERATING AND MAINTENANCE MANUAL

Product:

Transformer Polarity Tester

Type:

TPT9000

DESIGNED AND MANUFACTURED BY:

T & R Test Equipment Limited

15-16 Woodbridge Meadows, Guildford, Surrey, GU1 1BJ, United Kingdom
Telephone: 01483 207428
Email:

Web: www.trtest.com

Содержание TPT9000

Страница 1: ...roduct Transformer Polarity Tester Type TPT9000 DESIGNED AND MANUFACTURED BY T R Test Equipment Limited 15 16 Woodbridge Meadows Guildford Surrey GU1 1BJ United Kingdom Telephone 01483 207428 Email sa...

Страница 2: ...re that systems that the unit is to be connected to are dead Do not connect and disconnect leads whilst outputs are switched on Breaking the output circuit with current flowing may cause arcing Termin...

Страница 3: ...ker manufacturers state that strong magnetic fields may affect operation The TPT9000 may induce large magnetic fields in transformers and should therefore not be operated by or in the vicinity of pers...

Страница 4: ...4 SAFETY TERMS AND SYMBOLS The following safety symbols appear on the equipment WARNING Refer to manual Test Button...

Страница 5: ...otection 12 2 Theory of Operation 13 2 1 Main current output 13 3 APPLICATIONS 15 3 1 Transformer Testing 15 3 1 1 CT Testing 15 3 1 2 Transformer Testing 17 3 1 3 High Primary Impedance Transformer T...

Страница 6: ...cted incorrectly The set also includes a proving unit to check the correct operation of the unit in the field The TPT9000 is designed to be used on dead systems i e no externally supplied voltages are...

Страница 7: ...7 1 1 Connections controls display Figure 1 1 TPT9000...

Страница 8: ...erminal Connect to P2 of the test transformer E Black terminal Connect to S2 of the test transformer F Red terminal Connect to S1 of the test transformer G Forward LED Indicates that both windings of...

Страница 9: ...9 Figure 1 2 Proving Unit Ref Item Function A Polarity Switch Switch test polarity between Forward and Reverse B Connectors Connectors to fit the proving unit into the TPT9000 terminals...

Страница 10: ...1 second flash The Red LED will light for 1 second when the transformer under test has been connected with the windings in a different polarity Figure 1 5 Amber LED 1 second flash The Amber LED light...

Страница 11: ...under test has a voltage present or that there is a connection between the Primary and Secondary windings Note that the TPT9000 cannot test auto transformers Figure 1 7 Amber LED 1 second flash The B...

Страница 12: ...IP20 in use 1 2 2 Supply requirements The TPT9000 requires a single PP3 9V battery to operate The battery level is automatically monitored the device will not perform a test if the battery voltage has...

Страница 13: ...pulse of current into the Primary winding The unit then waits for a resulting pulse on the Secondary winding If the detected pulse is in the same polarity to the injected pulse the transformer under...

Страница 14: ...nt of the proving unit can be set so that it appears as either a forward or reverse connected transformer Select forward or reverse and then press the test button The corresponding forward reverse or...

Страница 15: ...CT has been marked P1 and P2 or the direction of the current through the CT is known this should be observed when connecting the TPT9000 The Brown output wire from the TPT9000 must be looped through t...

Страница 16: ...the CT or any of the wires during the test Press the test button on the TPT9000 The TPT9000 will first test to see if the test transformer has been connected correctly If the Error led illuminates ch...

Страница 17: ...e Connect the Brown P1 wire from the TPT9000 to the P1 terminal of the test transformer Connect the Blue P2 wire from the TPT9000 to the P2 terminal of the test transformer For the unknown secondary c...

Страница 18: ...d flashes for 1 second the TPT9000 has not detected any response from the test transformer Check that the connections to the test transformer have been made correctly If the connections are ok but the...

Страница 19: ...o energise the transformer Despite the test transformer being properly connected the Amber ERROR light will show that no return pulse has been detected If the secondary winding has a much lower impeda...

Страница 20: ...sformer Do not touch the test transformer or any of the wires during the test The TPT9000 will display the result of the test The TPT9000 will first test to see if the test transformer has been connec...

Страница 21: ...e unit to a test transformer whilst it is removed from its case 4 1 Replacing the Battery Remove the test leads form the TPT9000 Remove the battery cover from the bottom of the case Remove and disconn...

Страница 22: ...r S000 0768 c 1 off 1m Red fused lead part number S000 0769 d 1 off 1m Blue fused lead part number S000 0770 e 1 off 1m Brown fused lead part number S000 0771 f Operating Maintenance Manual g Unit car...

Страница 23: ...23 6 REVISION Product Type Transformer polarity tester TPT9000 File OM0035 1 docx Author G Bond Issue Date 1 20 07 21 Modified By Checked By N Eldridge Date 15 12 2021...