Control
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Personal Protective Equipment (PPE) for Electrical Works
Electrical Works – Personal Protective Equipment (PPE) To protect the employee’s body from injury Personal Protective Equipment (PPE) must be used. Basic PPE consists of: Cotton protective clothing with long…
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Types & Characteristics of Surge Arresters
Surge Arresters – Types & Characteristics Introduction Atmospheric lightning phenomenon on overhead lines and bare conductors or metallic structures of an outdoors substation and over voltages due to switching operations…
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Types of Control & Communication Cables
Types of Cables used in Control & Communication Control Cables Control cables are used to connect instrument transformers, coils of circuit breakers and contactors, control switches, meters, protection devices and…
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Electric Stress Control in Cable, Joints & Terminations
How to Control Electric Stress in Cable Joints & Terminations? Introduction Power cables are of great importance in power transmission and distribution systems. Terminations and joints are the basic accessories…
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HV And MV Switch Disconnectors And Isolators in Power System
HV/MV Switch Disconnectors And Isolators in Substation & Overhead Lines Introduction HV/MV Switch Disconnectors And Isolators High Voltage (HV) and Medium Voltage (MV)[1] installations require equipments to switching and/or isolating…
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Maintenance of Transformer – Power Transformers Maintenance, Diagnostic & Monitoring
Maintenance of Power Transformer – Transformer Diagnostic and Monitoring Introduction Being transformers static machines without any moving and turning parts, they are very reliable machines, and if maintained properly, can…
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Current Transformers (CT) – Types, Characteristic & Applications
Current Transformers (CT) – Construction, Types, Installation, Characteristic & Applications What is Current Transformer (CT) ? A C.T “Current Transformer” is a type of instrument transformer designed to step down…
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