Electrical Engineering

High Voltage Busbar Protection Author: Velimir Lackovic A well-designed electrical protection system should cover all components against possible faults. Line protection concepts,... Read More

Fundamentals of Measurement Transducers and Synchronizers Author: Velimir Lackovic The precise measurement of voltage, current or other power system parameters is a... Read More

AC Motor Protection Author: Velimir Lackovic AC motors are available in a wide range of configurations and features which allows them to... Read More

Switching Transients Analysis Fundamentals Author: Velimir Lackovic Switching transients severe enough to cause problems in industrial power systems are most often associated... Read More

Shunt Capacitor Bank Design and Protection Basics Author: Velimir Lackovic Shunt capacitor units are typically used to deliver capacitive reactive compensation or... Read More

PV Systems Safety Author: Velimir Lackovic This course is intended to be a reference with helpful and easily-accessible instructions on how to... Read More

Principles of HVDC Transmission Author: Velimir Lackovic Designers must decide between AC and DC transmission. This course addresses this challenge by exploring... Read More

Practical Power Cable Ampacity Analysis Author: Velimir Lackovic Cable ampacity studies calculate the current-carrying capacity (ampacity) of power cables in underground or... Read More

Power Quality Measurements – Essential Theory Author: Velimir Lackovic The decline in quality of power is a big issue due to an... Read More

Overcurrent Protection Fundamentals Author: Velimir Lackovic Protecting relays against high current was the earliest relay protection mechanism developed. From this basic method,... Read More

Arc Flash Basics and Hazard Planning Program Author: Velimir Lackovic This course gives an overview of arc flash hazards and explains the... Read More

Arc Flash Calculation Methods Author: Velimir Lackovic This course provides an overview of arc flash hazard computations as specified by IEEE and... Read More

Limiting Arc Flash Exposure Author: Velimir Lackovic Arc flash incidents may happen despite precautions taken to avert them. Arc flash incidents can... Read More

Introduction to Protective Device Coordination Analysis Author: Velimir Lackovic The objective of a protection scheme in a power system is to minimize... Read More

Introduction to Motor Starting Analysis Author: Velimir Lackovic The starting current of most AC motors is several times normal full load current.... Read More

Harmonic Analysis Basics Author: Velimir Lackovic A harmonic-producing load can affect other loads if significant voltage distortion is caused. The voltage distortion... Read More

Grounding System Theory and Practice Author: Velimir Lackovic The flow of current from an underground-fault condition will result in voltage gradients within... Read More

Gas Insulated Substation Definitions And Basics Author: Velimir Lackovic Determining whether to use AIS or GIS technology requires assessing many elements and... Read More

Distance Protection of Electrical Power Systems Author: Velimir Lackovic Distance protection, is a non-unit protection arrangement providing significant financial and technical benefits.... Read More

Power System Transient Stability Study Fundamentals Author: Velimir Lackovic The ability of a power system, containing two or more synchronous machines, to... Read More