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© GE Grid Solutions

INSTRUCTION MANUAL - 19201

CURRENT TRANSFORMER

TYPE OSKF

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Summary of Contents for OSKF

Page 1: ...GE Grid Solutions INSTRUCTION MANUAL 19201 CURRENT TRANSFORMER TYPE OSKF...

Page 2: ...ruction Manual GE Grid Solutions 2 GE Grid Solutions Av Nossa Senhora da Piedade 1021 37504 358 Itajub MG Brasil AIB 01 10 11 2017 RGO FML AIB 00 24 11 2013 TAA TCRP Owner revision Date Prepared Appro...

Page 3: ...STORED IN A HORIZONTAL POSITION FOR MORE THAN FOUR MONTHS IF THE TIME OF TRANSPORTION AND STORAGE EXCEEDS THIS PERIOD IT IS MANDATORY TO UNPACK AND PUT THE TRANSFORMER INTO A VERTICAL POSITION FIXING...

Page 4: ...7 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 10 6 1 Primary...

Page 5: ...stics of the OSKF Current Transformers For more details see set of drawings 1 Top Cover 2 Oil Level Indicator metallic bellows 3 Lifting eyes 4 Primary terminals aluminum or copper 5 Cast aluminum 6 P...

Page 6: ...th gaps OSKF may have metering and protection cores with different loads and different accuracy classes Secondary turns are evenly wound around the circumference of the ring shaped cores Changing rati...

Page 7: ...ny sign of damage or oil leakage the customer inspector or the service agent in charge of receipt shall make a written remark on shipment documents The receipt control mainly for the porcelain insulat...

Page 8: ...for the slings nylon belts reinforced and avoids blows and vibrations Follow the instructions shown in the drawing below for lifting the CT All cables or slings shall be kept in vertical position duri...

Page 9: ...is also put in place on the periphery of the bellows to protect it against contact with the top cover In order to remove the blocking system place the current transformer in vertical position on a fla...

Page 10: ...he structure If not it is necessary to insert a shim before putting the fixation screws Remove the lower lid of black plastic if applicable from secondary terminal box It is only used for transport It...

Page 11: ...g connector supplied with the equipment 6 5 Secondary terminals Connect protection and or measure instruments to the secondary terminals as shown on the nameplate See the tightening torque in drawings...

Page 12: ...sealed If required small quantity of oil can be taken Always verify oil level indicator before take oil samples Never complete oil volume without prior formal authorization of GE Important remark Duri...

Page 13: ...6 Remove the top cover to have access to the bellows and verify if there is any signal of oil leakage near the fixation of the bellows and or if the bellows is in good condition Tests It is recommend...

Page 14: ...with resin Oil disposing company properly licensed to perform such activity Oil PCB free classified as Class I hazardous residue Oil disposing company properly licensed to perform such activity Mater...

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