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This lecture, published by Columbia Gorge Community College, provides a detailed overview of DC injection braking. In the lecture, the presenter describes using DC injection braking to "rapidly decelerate a unidirectional motor by removing 3 phase AC and briefly applying DC to the motor windings."...

This lecture, published by Columbia Gorge Community College, provides a detailed overview of DC injection braking. In the lecture, the presenter describes using DC injection braking to "rapidly decelerate a unidirectional motor by removing 3 phase AC and briefly applying DC to the motor windings."...

This video, published by Columbia Gorge Community College, is the first part of a two part lecture that reviews "negative and fractional exponents, the order of operations, and the use of the scientific calculator" in order to use math in predicting and interpreting electrical theory. This lecture...

This video, published by Columbia Gorge Community College, is the second part of a two part lecture that reviews "negative and fractional exponents, the order of operations, and the use of the scientific calculator" in order to use math in predicting and interpreting electrical theory. This lecture...

This lecture, published by Columbia Gorge Community College, provides an overview of delta y conversions with complex impedances. The instructor shows how to "convert from a delta configuration of complex impedances to an equivalent y configuration of complex impedances and vice versa." The...

This lecture, published by Columbia Gorge Community College, provides an overview of delta y conversions with complex impedances. The instructor shows how to "convert from a delta configuration of complex impedances to an equivalent y configuration of complex impedances and vice versa." The...

This lecture, published by Columbia Gorge Community College, provides an overview of delta configurations. The objective of the lecture is to "examine electrical properties of balanced and unbalanced delta configured loads in 3 phase AC systems." The recording runs 19:52 minutes in length and part...

This lecture, published by Columbia Gorge Community College, provides an overview of delta configurations. The objective of the lecture is to "examine electrical properties of balanced and unbalanced delta configured loads in 3 phase AC systems." The recording runs 18:54 minutes in length and part...

This webinar, made available by Internet Scout Research Group, features Rachel Bower and Luis Perez discussing how educators can increase the accessibility of high quality materials for learners with disabilities. The presentation is geared towards all educators in order to make designing for...

In this video from the National Convergence Technology Center, Andrew Lutz from Johnson County Community College provides guidance on developing and hosting a cybersecurity competition for students. Lutz explores skills development, labs, rules of engagement, class integration, prizes, resources...