HYDROELECTRIC POWER PLANTS – Practical Applications of Electrical Engineering Calculations

This document presents practical applications of the main electrical engineering calculations used in hydroelectric power plants, demonstrating the integrated use of methodologies and calculation spreadsheets developed for studies, projects and evaluations of electrical systems.

Examples are presented involving generation voltage, step-up transformers, auxiliary service transformers, emergency diesel generators, short-circuit currents, feeder sizing and voltage-drop calculations, allowing readers to understand how these calculations can be applied in real engineering situations.

In addition to presenting calculation results, the document shows the relationship between different electrical studies commonly performed during the design, modernization and operation of hydroelectric power plants, providing a practical reference for engineers, consultants, designers, students and professionals involved in power generation systems.

• Practical applications of electrical engineering calculations.
• Hydroelectric power plant electrical systems.
• Step-up transformers.
• Auxiliary service transformers.
• Emergency diesel generators.
• Transformer voltage calculations.
• Transformer tap selection.
• Generation voltage calculations.
• Three-phase short-circuit calculations.
• Moon H. Yuen MVA method.
• Short-circuit studies in 138 kV systems.
• Short-circuit studies in 13.8 kV systems.
• Short-circuit studies in 480 V systems.
• Feeder sizing.
• Current-carrying capacity.
• Feeder voltage drop calculations.
• Normal operating condition analysis.
• Emergency operating condition analysis.
• Approximate engineering calculations.
• Complete practical examples.
• Technical PDF document. 

Electrical engineers, designers, consultants, operation and maintenance professionals, electrical engineering students and professionals involved in power systems and energy generation. 

• Technical PDF Document.