THE ELECTRICAL ENGINEERING LIBRARY
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From generating stations to the equipment inside a substation, explore the systems that keep electricity moving.
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Protection · Switchgear
Anti-Pumping Relay: Why a Circuit Breaker Does Not Keep Closing
An anti-pumping function prevents a circuit breaker from repeatedly closing and opening in response to one continuous closing command. The…
2026-10-31
Switchgear · Protection
Current Transformer FAQ: Ratios, Burden and Safety
A conventional current transformer (CT) helps instruments and protective relays work with a representation of alternating current flowing…
2026-10-31
Transmission · Switchgear
Busbar FAQ: Arrangements, Materials and Safety
A busbar is a common conductor used to connect electrical circuits. In a substation, it provides a connection point for circuits operating…
2026-10-31Protection
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Protection
Faults in Power Systems
An electrical fault is an abnormal condition that disrupts the intended operation of a power system. Faults can occur in transmission or…
2026-10-31
Protection
Introduction to Power System Protection
Power-system protection uses measurements and protective devices to respond to electrical faults and other abnormal conditions. Its purpose…
2026-10-31
Protection
OVERVIEW OF GENERATOR PROTECTION
INTRODUCTION Protection of generators is a challenging task because of their system is connected to the power grid, prime mover, and DC…
2022-12-24Generation
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Generation
Direct Current Systems in Generating Stations
A generating station can have direct-current equipment in addition to the systems used to produce and distribute alternating-current power.…
2026-10-31
Generation
Four Ways Electricity Can Be Produced
Hydroelectric, wind, steam-turbine and solar photovoltaic installations are four examples of ways to produce electricity. They are not a…
2026-10-31
Generation
TYPES OF EXCITATION SYSTEM
Classified into three broad categories based on the excitation power source: • DC excitation systems • AC excitation systems Static…
2022-12-23Keep exploring
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