GE OSKF72 Instruction Manual
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GE OSKF72 Instruction Manual

GE OSKF72 Instruction Manual

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INSTRUCTION MANUAL - 19101
CURRENT TRANSFORMER
TYPE OSKF72
© GE Grid Solutions

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Summary of Contents for GE OSKF72

  • Page 1 INSTRUCTION MANUAL - 19101 CURRENT TRANSFORMER TYPE OSKF72 © GE Grid Solutions...
  • Page 2 Instruction Manual GE Grid Solutions Av. Nossa Senhora da Piedade, 1021 37504-358 Itajubá - MG – Brasil 04/05/2021 10/11/2017 24/11/2013 TCRP Owner revision Date Prepared Approved © GE Grid Solutions...
  • Page 3 Warning! Any person involved with transport, installation, energizing, operation and maintenance of Current Transformer (CT) type OSKF72 must read these instructions prior to any action related to these current transformers. These CT are built under strict conditions which guarantee the Highest Quality achievement. In order to keep this high-quality during CT’s lifespan, it is utmost important that the instructions in...

  • Page 4: Table Of Contents

    Grounding ......................... 9 6.5. Secondary terminals ......................9 6.6. Terminal marking ......................9 OIL LEVEL INDICATOR ......................9 INSPECTION BEFORE FIRST ENERGIZING ............... 10 MAINTAINENCE AFTER ENERGIZING ................10 PROPER DISPOSAL OF TRANSFORMERS COMPONENTS AFTER LIFESPAN .... 12 © GE Grid Solutions...

  • Page 5: General Drawing

    Instruction Manual 1. GENERAL DRAWING Description and characteristics of the OSKF72 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. Aluminum casting head housing 6.

  • Page 6: Design And Construction

    This aluminum extended up to the base by an aluminum The active part of the OSKF72 current tube which contains all secondary leads. transformer is located above the cross section earth insulator.

  • Page 7: Cast Aluminum Tank

    In case of damages, the customer inspector in charge of receipt shall notify 2.5. External metallic parts GE and the insurance representative. All The external metallic parts do not contact information is indicated on require maintenance and they are shipment insurance documents.

  • Page 8: Storage

    Scrub the contact surfaces with a metallic brush (diameter of the thread 0.3mm) and impregnate with grease of Example of lifting a crate of OSKF72 the type “PENETROX” or equivalent. All the surfaces must be completely 3.4. Storage covered with grease.

  • Page 9: Double / Triple Reconnection Primary Type (If Applicable)

    6.3. Double / Triple Reconnection 6.5. Secondary terminals Primary type (if applicable) Connect protection and/or measure The current ratio of the OSKF72 can be instruments to the secondary terminals single with only one single bar, double or as shown on the nameplate. See the triple primary ratio.

  • Page 10: Inspection Before First Energizing

    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. General drawing for the oil level indicator Important remark: During commissioning, 8.
  • Page 11 “Primary Terminals” of this document; In case of doubts, please contact the 4) Secondary terminal box: If necessary technical assistance support of GE: +55 clean inside the terminal box. 35 3629 7042 or 7038 or 7000 © GE Grid Solutions...

  • Page 12: Proper Disposal Of Transformers Components After Lifespan

    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. © GE Grid Solutions...

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