Related Manuals for Arteche DFK-245 765 Series
Summarization of Contents
PRELIMINARY CONSIDERATIONS
OBSERVATIONS/
General advice on keeping the manual accessible and using the equipment safely.
SAFETY PRECAUTIONS/
Essential safety measures and warnings for operating and maintaining the equipment.
ENVIRONMENTAL CONSIDERATIONS/
Guidelines for proper disposal of oil and handling oil spills.
INTRODUCTION
FOREWORD/
Brief statement about the manual's purpose regarding high-voltage instrument transformers.
SCOPE OF APPLICATION/
Lists the specific transformer models covered by this manual.
DESIGN/
Describes the construction and components of capacitive voltage transformers and coupling capacitors.
TRANSPORT AND HANDLING
TRANSPORT/
Instructions for safe transport, packaging, and securing the equipment.
RECEIPT/
Procedures for checking equipment upon receipt and reporting anomalies.
STORAGE/
Recommendations for storing transformers to prevent damage and maintain integrity.
HANDLING/
Detailed instructions and warnings for safe manual handling of the transformer.
INSTALLATION
INSTALLATION SAFETY WARNINGS
Critical safety warnings regarding installation, including electrical hazards and physical injury risks.
MOUNTING ON THE STRUCTURE OR PLATFORM/
Instructions for securely mounting the transformer on its intended platform.
TRANSFORMER MOUNTING (multi-unit)
Step-by-step guide for assembling multi-unit transformers on the structure.
ELECTRICAL CONNECTIONS/
Primary Connections
Details on making primary connections, including material compatibility and cleaning.
Secondary Connections
Instructions for connecting secondary wires and ensuring proper terminal closure.
Grounding
Essential guidelines for proper grounding of the transformer for safety and operation.
Final Considerations
Final Safety Considerations
Crucial final safety checks, including grounding and grounding switch usage.
INSPECTION AND MONITORING
Guidelines for routine inspection and monitoring of the transformer's condition.
ANNEX I
HANDLING AND CONNECTION
Visual guide and descriptions for handling and connecting the transformers.
ANNEX II
TIGHTENING TORQUES
Table detailing specific torque values for various screws and their uses.
ANNEX III
ELECTRICAL FIELD TESTING
Overview of electrical field tests performed on ARTECHE transformers.
MEASUREMENT OF CAPACITANCE AND DIELECTRIC DISSIPATION FACTOR (tand)
CAPACITIVE VOLTAGE TRANSFORMERS AND COUPLING CAPACITORS/
Details on performing measurements on these specific transformer types.
Cn - Total rated capacitance
Defines and explains how to calculate the total rated capacitance (Cn).
C1 - High voltage capacitance
Describes how to measure the high voltage capacitance (C1).
C2 - Intermediate voltage capacitance
Explains how to measure the intermediate voltage capacitance (C2).
Capacitance of each capacitor unit
Details how to measure the capacitance of individual capacitor units.
INSULATION RESISTANCE MEASUREMENT
CAPACITIVE VOLTAGE TRANSFORMERS/
Details on performing insulation resistance tests on capacitive voltage transformers.
Neutral against Secondaries + Ground N/S+G
Procedure for measuring insulation resistance from neutral to secondaries and ground.
Secondaries against Ground S/G
Procedure for measuring insulation resistance from secondaries to ground.
Between secondaries S/S
Procedure for measuring insulation resistance between secondaries.
TRANSFORMER RATIO TEST
CAPACITIVE VOLTAGE TRANSFORMERS/
Details on performing the ratio test on capacitive voltage transformers.
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