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Type: TDO 6, TJO 6, TJO 7,  
VOG-24, VOL-24, VOL-40.5

Instruction for installation,  
use and maintenance

Outdoor voltage transformers

Summary of Contents for TDO 6

Page 1: ...Type TDO 6 TJO 6 TJO 7 VOG 24 VOL 24 VOL 40 5 Instruction for installation use and maintenance Outdoor voltage transformers ...

Page 2: ...unting 7 4 5 1 Primary connection 7 4 5 2 Secondary connections 8 5 Maintenance and overviews during exploitation 10 5 1 Maintenance 10 5 2 Overviews during exploitation 10 6 Instruction for use 10 7 Package transport and storage 11 8 Disposal 11 9 Voltage transformer handling 11 10 Normative references 12 11 Wiring diagram examples 12 12 Connections of voltage transformers examples 14 13 Dimensio...

Page 3: ...h this sign carefully Installation connection operation and maintenance should be carried out by authorized personnel only This manual should always be accessible for the user s personnel Voltage transformers are high voltage devices and must be used according to the appropriate safety rules ...

Page 4: ...tdoor conditions where the ambient air may be polluted by dust smoke corrosive cases vapours or salt The voltage transformers are designed for standard ambient temperature between 40 C and 40 C and altitude lower than 1000 m above the sea level The average value of the ambient temperature measured over a period of 24 hours should not exceed 35 C The transformers may be used also in higher or lower...

Page 5: ...VT s rating plate TJO 7 type Figure 3b Example of VT s rating plate VOL 40 5 SN 1YMP015TJO00460 Serial number Type TJO 7 Transformer type code f 50 Hz Rated frequency 33000 3 100 3 100 3 V Rated voltage ratio a n Terminal marking for first secondary winding da dn Terminal marking for auxiliary secondary winding for open delta connection 50VA 100 VA Rated power 0 5 6P Accuracy classes 36 70 170 kV ...

Page 6: ...e 2 5 kV coil megaohmmeter to measure the resistance between short circuited terminals of primary winding and base insulation resistance of earthed transformer with one insulated primary terminal shall not be lower than 200 MΩ Use 1 kV coil megaohmmeter to measure the resistance between short circuited terminals of primary winding and base Prior to measurements of insulation resistance for earthed...

Page 7: ...r depending on version see dimensional drawing for exact location Tightening torque for steel screws used in voltage transformers Screw Min Torque Nm Max torque Nm M5 2 8 3 5 M6 3 4 M8 16 20 M10 20 35 M12 56 70 Maximum allowed torque for primary terminals screw connections is 20 Nm 4 5 1 Primary connection Terminal screw connections may be tightened with maximum allowed torque of 20 Nm Maximum all...

Page 8: ...The cover of the terminal box is provided with lead seal lock In outdoor voltage transformers degree of IP54 protection for terminal boxes Figure 10 Examples of voltage transformers terminal boxes TDO 6 Fig 10a Designation of the secondary windings Figure 11 Examples of voltage transformers terminal boxes TJO 6 Fig 11a Designation of the secondary windings Figure 12 Examples of voltage transformer...

Page 9: ...terminal boxes VOG 24 Fig 13a Designation of the secondary windings Figure 14 Examples of voltage transformers terminal boxes VOL 24 Fig 14a Designation of the secondary windings Figure 15 Examples of voltage transformers terminal boxes with fuse as option VOL 40 5 ...

Page 10: ...tarting The overview should include cleaning the surface of instrument transformer checking condition of the transformer resin body surface checking condition of mounting screws and checking the condition of all electrical connections on primary and secondary terminals and earthing terminals measurement of main insulation resistance measurement of secondary winding insulation resistance Cut off th...

Page 11: ...stored in dry and clean places protected from direct exposure to precipitation and solar radiation 8 Disposal Materials used in instrument transformers are considered as materials without dangerous environmental impact and materials are not toxic Disposal of instrument transformers is controlled by national legislation of communal waste 9 Voltage transformer handling Voltage transformers equipped ...

Page 12: ...by cus tomers and confirmed by manufacturer Normative reference for a given voltage transformer is always indicated on the transformer s rating plate Standard examples IEC 61869 1 IEC 61869 3 IEC 60044 2 GOST 1983 2001 On requests voltage transformers may be designed and manufactured in accordance with other revisions of standard or standards specified above upon a prior agreement between manufact...

Page 13: ...dary windings h Single pole insulated voltage transformer with two secondary tapped wind ings one of which is auxiliary winding for open delta connection i Double pole insulated voltage transformer with one secondary winding j Double pole insulated voltage transformer with one secondary tapped winding k Double pole insulated voltage transformer with two secondary windings l Double pole insulated v...

Page 14: ...one single pole transformer Line to ground voltage measurement One pole of the transformer should be fully insulated Star connection with broken delta system Line to ground voltage and residual voltage measurement One pole of the transformer should be insulated Star connection Line to line voltage measurement Connection may have an broken delta system for residual voltage measurement One pole of t...

Page 15: ...voltage measurement One pole of the transformer should be insulated Receivers are connected for line to ground measurement Both poles of the transformer have to be fully insulated Receivers are connected for line to line voltage measurement Both poles of the transformer have to be fully insulated Connection name Wiring diagram Application ...

Page 16: ...16 Instruction manual Two receivers are connected for line to line voltage measurement Both poles of the transformer have to be fully insulated Connection name Wiring diagram Application ...

Page 17: ...Instruction manual 17 330 30 340 67 30 474 325 499 M10 IP54 Rating plate 300 180 230 175 4x 14 50 320 450 410 M12x30 PG21 M6 Weight 60kg Creepage distance 1250mm 13 Dimensional Drawings TDO 6 ...

Page 18: ...18 Instruction manual 512 30 340 30 67 325 486 Rating plate M10 IP54 50 412 PG21 M12x30 M6 300 175 180 332 230 4x 14 Weight 57kg Creepage distance 1250mm TJO 6 ...

Page 19: ...75 M12 IP54 Rating plate 5 R125 115 PG21 M6 M8 310 190 220 340 4x 12 Weight 52 55kg Creepage distance 1120mm 55 33 450 170 680 637 375 M12 IP54 Rating plate 5 R125 115 PG21 M6 M8 310 190 220 340 4x 12 Weight 52 55kg Creepage distance 1120mm TJO 7 ...

Page 20: ...20 Instruction manual 36 19 339 188 290 480 507 452 M10 IP54 145 198 Rating plate PG21 M8 M6 375 250 300 305 4x 12x25 Weight 39kg Creepage distance 800mm VOG 24 ...

Page 21: ...Instruction manual 21 18 36 188 336 450 M10 IP54 415 342 475 M6 M8 PG21 Rating plate 375 250 300 305 4x 12x25 Weight 43kg Creepage distance 800mm VOL 24 ...

Page 22: ...22 Instruction manual VOL 40 5 2RFA016266 version with baseplate ...

Page 23: ...Instruction manual 23 VOL 40 5 2RFA016267 version with rails ...

Page 24: ...f this document without prior notice With regard to purchase orders the terms and conditions agreed shall apply ABB Sp z o o does not accept any responsibility whatsoever for potential errors or possible lack of information in this document We reserve all rights to this document and the subject matter and illustrations contained herein Any reproduction disclosure to third parties or utilisation of...

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