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Low Voltage Switchgear Author: Velimir Lackovic Arc Low-voltage switchgear generally refers to metal-enclosed or metal-clad low-voltage power circuit breaker switchgear that is rated for 600V alternating current (AC) and below. The metal-enclosed switchgear is completely enclosed on all sides and the top with metal sheets, has stationary primary power... Learn More

Generator Protection Author: Velimir Lackovic Protection relays are used as part of generator protection schemes, and they are available in various configurations that allow them to be used under a variety of conditions. These protection relays protect the generator or prime mover from damage, and they also provide protection... Learn More

Earth Fault Protection Author: Velimir Lackovic Fault statistic suggests that earth faults are the most common fault type. Therefore, earth fault protection is of great importance in electrical networks. The type of earth fault protection selected depends primarily on the type of grounding method. This course describes protection principles... Learn More

Current Transformers Author: Velimir Lackovic Current transformers are a specific transformer configuration used for current measurement. The common engineering laws are applicable to the current transformers and can be used in their design. The most important roles of current transformers are: To transform currents, from a high value to... Learn More

Webinar: Slope Processes, Landslides and Subsidence Scheduled:  Thursday, July 25, 2024, 4:00 – 6:00 pm Author: Michael Penzo This Live Webinar course provides an overview of slope processes, landslides, and subsidence. Slopes are dynamic evolving features, depending upon topography, rock types, climate, vegetation, water, and geologic time; materials are... Learn More

Webinar: Soils and the Environment Scheduled: Thursday, July 11, 2024, 4:00 – 6:00 pm Author: Michael Penzo This Live Webinar course provides an overview of soils and their relationship to the environment. Soil supports plant life, and soil properties are critical for waste disposal. The impacts of natural hazards... Learn More