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America’s Greatest Projects and Their Engineers IV
America’s Greatest Projects and Their Engineers IV Author: Dominic Perrotta This fourth course in the series of America’s Greatest Projects and their Engineers describes the perseverance as well as the innovations developed and implemented on Project Mercury at a critical time in our nation’s history. It also highlights the extensive careers of the seven brave…
America’s Greatest Projects and Their Engineers III
America’s Greatest Projects and Their Engineers III Author: Dominic Perrotta American engineers achieved phenomenal success by creating the Trans-Alaska Pipeline, a project that many thought was almost impossible for a variety of reasons. Not only was the climate against them, but they also had to deal with the environment, the ecology, mountain ranges, and precipitous…
Voltage Transformers
Voltage Transformers Author: Velimir Lackovic Voltage transformers are constructed in two configurations based on their intended purpose: magnetic voltage transformers (VT) and capacitive voltage transformers (CVT). The magnetic voltage transformers are more economical for voltages up to 145 kV, and the capacitive voltage transformers are more economical for voltages higher than 145 kV. A CVT…
Power Transformer Testing
Power Transformer Testing Author: Velimir Lackovic Transformers may be tested using either AC or DC voltage. AC voltage is preferable to DC voltage for transformer testing because it simulates the internal stress that the transformers face during operating conditions. This course is suitable for engineers interested in learning about commonly used transformer testing procedures. It…
Power Transformer Maintenance
Power Transformer Maintenance Author: Velimir Lackovic Transformer preventative maintenance involves routine inspection, adjustment, testing, minor fixes, and special handling instructions. The trouble-free and reliable operation of transformers over their usable life depends on proper installation, operation, and maintenance. This course provides an overview of the typical procedures that are performed as part of transformer preventive…
Power Cable Testing
Power Cable Testing Author: Velimir Lackovic This course covers power cable testing procedures including visual inspection, cable failures and their analysis, insulation and conductor defects, field testing of medium voltage cables and different cable testing methods. It covers issues related to different failure types such as mechanical failures, overheating, chemical actions etc. and ways to…