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Instruction Manual

Composite
insulator

Industrial landfill
properly licensed

Other materials

Industrial landfill
properly licensed

The  disposal  of  oil  and  components
contaminated with oil directly into the soil
or water is prohibited.

For  further  information  or  clarifications,
contact  GE  environment  department:  +55
35 36297112.

Содержание KOTEF 72.5

Страница 1: ...GE Grid Solutions INSTRUCTION MANUAL MIITR102 COMBINED INSTRUMENT TRANSFORMER KOTEF 72 5 245...

Страница 2: ...Instruction Manual GE Grid Solutions 2 GE Grid Solutions Av Nossa Senhora da Piedade 1021 37504 358 Itajub MG Brasil AIB 00 07 28 21 FML FES Owner revision Date Prepared Approved...

Страница 3: ...as the inherent capacitance may have electric charges with voltage at the lethal level In addition a ground rod should stay on the line terminal as long as people work on the unit In the event an elec...

Страница 4: ...3 3 Unpacking 8 3 4 Storage 9 4 BELLOWS BLOCKING SYSTEM AND ASSEMBLY IN THE STRUCTURE 9 4 1 Bellows blocking system 9 4 2 Assembly in the structure 10 5 CONTACT SURFACES PREPARATION 10 6 CONNECTIONS 1...

Страница 5: ...to the picture below 1 Top Cover 2 Oil Level Indicator metallic bellows 3 Primary Reconnection Terminals 4 Primary terminals aluminum or copper 5 CT Headhousing current transformer part 6 Porcelain or...

Страница 6: ...All secondary windings are enclosed in an aluminum box which protects them against high frequency disturbances while acting as a low voltage shielding electrode This aluminum box is extended up to the...

Страница 7: ...t mounted to the crate skid and the head resting on damping foam For overseas shipment the CIT is packed in wooden crates designed according to SEI cat 4 specification The crates can be stacked but no...

Страница 8: ...extremities Attention NEVER lift a transformer by its primary terminals Lift it by the lifting eyes on the transformer top All four lifting eyes must be used during lifting operation To lift the tran...

Страница 9: ...tly compressed by the top cover A protection of plastic film is also put in place around the bellows to protect it against contact with the top cover In order to remove the blocking system place the t...

Страница 10: ...with sandpaper 150 grain in order to eliminate the oxidation layer Scrub the contact surfaces with a metallic brush diameter of the thread 0 3mm and impregnate with grease of the type PENETROX or equi...

Страница 11: ...peration 6 5 Terminal marking Primary and secondary terminal marking are done according to the specified standard please refer to the set of drawing Primary and secondary connection scheme are shown o...

Страница 12: ...s taken in the factory are important as so the measurements during commissioning of each transformer The comparison between test results measured at the field allows following the evolution of each pa...

Страница 13: ...tion and thereafter at four year intervals depending on availability of the 1 Ratio TTR 2 Polarity Polarity meter 3 Saturation Voltage ac voltage source Voltmeter and Ammeter 4 Ohm Resistance Wheatsto...

Страница 14: ...ndfill properly licensed Other materials Industrial landfill properly licensed The disposal of oil and components contaminated with oil directly into the soil or water is prohibited For further inform...

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