Power System
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Failures In Electrical Systems, Equipments & Materials
Failures In Electrical Systems, Causes & Prevention Introduction Electrical systems, equipments and materials are subjected to failures that can cause the total destruction of equipments and severe power outages. For…
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What is Shunt Reactor – Types, Construction & Applications
Why to use Shunt Reactors? Different between Power Transformer & Shunt Reactor What is Shunt Reactor? Shunt reactor is same as power transformer but it has only one winding per…
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Transformers Insulation Materials in Oil-Immersed & Dry Type T/F
Types of Transformers Insulation Materials Insulation in Oil-Immersed Transformers The most common insulation today for high-voltage windings in transformer is an enamel coating on the wire, with kraft paper used…
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Power System Restoration – Outage, Voltage Collapse & Switching Programs
Power System Restoration – Power Outage & Restoring the Power Introduction Modern power grids are extremely complex and widespread. Surges in power overhead lines and other faults can cause massive…
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Working on De-Energized Electric Circuits, Networks & Equipments
De-Energized Work procedure & Safety in Electrical Engineering Introduction Electricity presents to the workers and installations different hazards and for this reason local operations and maintenance of electrical equipment should…
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Electrical Shock Hazards & Its Effects on Human Body
Electrical Shock Hazards & Effects What is Electrical Hazard? Electrical hazard or Electric Shock may be defined as “Dangerous event or condition due to direct or indirect electrical contact with…
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Protective Actions to Avoid & to Reduce Electric Hazardous
Protective Actions to Reduce & Avoid Electric Hazardous General Rules As general safety rules for EHV, HV and MV installations (EHV: Extra High Voltage – V ≥ 150 kV. HV:…
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Electrical Transmission Networks – EHV and HV Overhead Lines
Electrical Transmission Networks and Overhead Lines Generally, EHV and HV (High Voltage; 60 kV ≤ V < 150 kV, EHV: Extra High Voltage; V ≥ 150 kV) is used for…
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Busbars and Connectors in HV and EHV installations
Busbars and Connectors in Indoor & Outdoor Installations What is Electric Busbar? A conductor or group of conductor used to collect the power from incoming feeders and distribute to the…
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Cables Feeder Protection – Faults Types, Causes & Differential Protection
Cables Feeder Protection – Overcurrent & Differential Protection Common Types of Faults Common failure modes and faults of cables are: Electrically induced failures Mechanically induced failures Thermally induced failures Metallic…
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