Related Manuals for ABB MWD
Summarization of Contents
About this document
Validity
Specifies the validity period and scope of these operating instructions for surge arresters.
Target group
Identifies the intended audience for these operating instructions, focusing on professionals in high-voltage technology.
Safety
Symbols and warnings
Explains warning signs, symbols, and their meanings to ensure safe operation and prevent hazards.
Basic safety precautions
Details essential safety measures regarding product handling, personnel training, and organizational procedures for safe operation.
Description
Intended use
Specifies the applications for which the surge arresters are designed, including voltage ranges and protection functions.
Structure and function
Describes the construction of surge arresters, their operational principles, and the role of metal-oxide resistors.
Technical data
Provides information on performance characteristics, dimensions, and installation distances, referencing external data sheets.
Transporting, unpacking and storage
Transporting
Provides guidelines and precautions for the safe transportation of surge arresters, including securing them.
Unpacking
Details the procedure for unpacking surge arresters, checking for damage, and handling packaging materials.
Storage
Outlines the requirements for storing surge arresters, including environmental conditions and packaging.
Commissioning
Safety
Details critical safety measures and warnings related to high-voltage systems during commissioning.
Electrical checking before commissioning
States that pre-commissioning electrical checks are not necessary as products are factory tested.
Installation location and protective distance
Explains the importance of correct installation location and protective distance for effective surge protection.
Mounting
System voltage
Addresses potential damage from incorrect system voltage and provides guidance for AC/DC system compatibility.
Connections
Describes how to connect the surge arrester terminals, including material requirements and torque specifications.
Surge arrester with disconnecting device
Mounting grading ring (POLIM-I, -S, -H only)
Provides step-by-step instructions for mounting the grading ring on specific surge arrester models.
Transportation during mounting
Installation position
Specifies the correct installation orientation for surge arresters, ensuring sheds point downward for optimal performance.
Distances between surge arresters and earth
Earthed installation
Details procedures for earthed installation of surge arresters, including connection methods and torque values.
Insulated installation
Describes requirements for insulated installation, especially when monitoring devices are used.
Earthing
Surge arrester with disconnecting device
Outlines specific earthing requirements for surge arresters equipped with a disconnecting device.
Maintenance
Safety
Highlights safety procedures for performing maintenance on high-voltage surge arresters.
Cleaning in case of heavy pollution
Provides instructions on cleaning surge arresters in environments with heavy pollution, including recommended methods.
Replacement after overloading or damages caused by animals
Advises on inspecting and replacing surge arresters that have been overloaded or damaged by animals.
Disconnecting device
States that the disconnecting device, if installed, requires no maintenance.
Disposal
Constituent components
Lists the various materials that make up the surge arresters and their environmental properties.
Constituent components of the disconnecting device
Details the components of the disconnecting device and their disposal considerations, noting hazardous waste if not tripped.
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