Courses
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Practical Power Cable Ampacity Analysis
Course number
EE-04-919
PDH credits
4
Practical Power Cable Ampacity Analysis Author: Velimir Lackovic Cable ampacity studies calculate the current-carrying capacity (ampacity) of power cables in underground or above ground installations. This ampacity is determined by the maximum allowable conductor temperature. In turn, this temperature is dependent on the losses in the cable, both I2R and dielectric, and thermal coupling between…
Power Quality Measurements – Essential Theory
Course number
EE-04-917
PDH credits
4
Power Quality Measurements – Essential Theory Author: Velimir Lackovic The decline in quality of power is a big issue due to an increase in the use of inverters in power electronics, an increase of unbalanced loads from large furnaces or rectifiers, and complex power distribution associated with power network interconnections for new energy plants. Poor…
Overcurrent Protection Fundamentals
Course number
EE-05-914
PDH credits
5
Overcurrent Protection Fundamentals Author: Velimir Lackovic Protecting relays against high current was the earliest relay protection mechanism developed. From this basic method, the graded overcurrent relay protection system, a discriminative short circuit protection, has been formulated. This course is provides an overview of overcurrent protection fundamentals. It presents coordination technique, rules for time/current grading, IDMT…
Arc Flash Basics and Hazard Planning Program
Course number
EE-03-913
PDH credits
3
Arc Flash Basics and Hazard Planning Program Author: Velimir Lackovic This course gives an overview of arc flash hazards and explains the different causes, nature, findings, directions and processes related with arc flash hazards. An electric arc or an arcing fault is a flashover of electric current through air in electrical devices from one exposed…
Arc Flash Calculation Methods
Course number
EE-05-912
PDH credits
5
Arc Flash Calculation Methods Author: Velimir Lackovic This course provides an overview of arc flash hazard computations as specified by IEEE and NFPA. Students are encouraged to consult the standards for additional details. It is suitable for engineers with a desire to understand procedures for completing arc flash studies. The course covers arc flash calculation…
Limiting Arc Flash Exposure
Course number
EE-02-910
PDH credits
2
Limiting Arc Flash Exposure Author: Velimir Lackovic Arc flash incidents may happen despite precautions taken to avert them. Arc flash incidents can be minimized by use of adequate equipment, proper preventive care, planning and coordination of operation, as well as skill improvement and real experience. Also crucial is the mental and physical circumstances of the…
Introduction to Protective Device Coordination Analysis
Course number
EE-03-909
PDH credits
3
Introduction to Protective Device Coordination Analysis Author: Velimir Lackovic The objective of a protection scheme in a power system is to minimize hazards to personnel and equipment while allowing the least disruption of power service. Coordination studies are required to select or verify the clearing characteristics of devices such as fuses, circuit breakers, and relays…
Introduction to Motor Starting Analysis
Course number
EE-04-908
PDH credits
4
Introduction to Motor Starting Analysis Author: Velimir Lackovic The starting current of most AC motors is several times normal full load current. Both synchronous and induction motors can draw five to ten times full load current when starting them across the line. Motor-starting torque varies directly as the square of the applied voltage. If the…