Siemens CARECO Operating Instructions Manual

Siemens CARECO Operating Instructions Manual

Cast-resin transformer

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GEAFOL- / CARECO-Cast-resin Transformer/ Operating Instructions
GEAFOL- / CARECO-
Cast-resin Transformer
Operating Instructions
siemens-energy.com
Siemens Energy is a trademark licensed by Siemens AG.
© 2021 Siemens Energy
Edition 09/2021
Page 1

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Summarization of Contents

General Information and Safety Notes
General Information
Provides general context about the manual, Siemens Energy AG's role, and rights regarding product updates and support.
Intended Use
Specifies the intended stationary use of transformers in general engineering and industrial applications, adhering to IEC 60076-11.
Obligations of the User
Outlines user responsibilities for ensuring personnel safety, operational integrity, and environmental protection during transformer use.
The Five Safety Rules
Details the essential five safety rules for working in a voltage-free state, as per EN 50110-1, to prevent accidents.
Particular Types of Hazards
Identifies specific dangers associated with transformers, including high voltage, extreme temperatures, sharp edges, falling, and magnetic fields.
Occupational Safety and Protective Equipment
Lists necessary protective measures and personal protective equipment (PPE) required for safe transformer operation and maintenance.
Usage
Operating Conditions and Classification
Details cooling air requirements, altitude effects, and classification according to IEC 60076-11, including environmental and fire behavior classes.
Description
Transformer Components and Construction
Details the main components like core, windings, insulation, supports, and their construction, explaining materials and design features.
Transport, Goods Receipt, and Storage
Unloading, Lifting, and Transport Methods
Covers safe procedures for unloading, lifting by crane, road/sea transport, and forklift operations, including cautions.
Placement, Examination, and Storage
Explains moving, placement, unpacking, inspection for damage, and proper storage conditions to maintain transformer integrity.
Covers and Delta Connection Handling
Details handling of high-voltage tapping covers and procedures for disassembling delta connections, emphasizing safety.
Installation Setup and Clearances
Covers transformer installation requirements, ventilation, and minimum clearance distances based on voltage and altitude.
Transformer Room Ventilation
Explains how to ensure adequate cooling and ventilation for the transformer room and outdoor installations to prevent overheating.
Connecting
Connection Routing and Terminal Connections
Describes how to route connections and connect high-voltage (HV) and low-voltage (LV) terminals, ensuring strain relief.
Surface Preparation for Electrical Connections
Details the necessary surface preparation for bolted and terminal connections to ensure good conductivity and prevent corrosion.
Fastenings, Contact Pressure, and Grounding
Covers fasteners, bolt tightening torques, contact pressure, and transformer grounding requirements for safe and reliable connections.
Temperature Monitoring and Optional Features
Details temperature monitoring, optional devices, Sensformer, fans, and coolers for enhanced functionality and performance.
High Voltage Tapping Modifications
Details how to change transformer voltage by adjusting connecting brackets and covers on taps, emphasizing safety precautions.
Inspection and Cleaning
Routine Inspection and Cleaning Activities
Summarizes recommended inspection tasks, time intervals, and descriptions for maintaining the transformer, including visual checks and connection checks.
Faults, Causes, and Remedies
Product Support and Spare Parts
Lists contact information for product support and a table of standard spare parts for cast-resin transformers.
Troubleshooting Common Faults
Details common faults, their potential causes, and recommended test steps or remedies for troubleshooting transformer issues.

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