Power Transformers and Per-units – Part 1 of 3
This engineering online CPD live webinar will establish, through slides and discussions, the different aspects, construction and operation of ideal and practical two-winding single-phase transformers. This webinar is Part 1 of a 3-part series.
The discussions start with introduction to the characteristics and construct of ideal transformers, and develops equations that relate primary and secondary voltages and currents for these transformers. Reflection of load from one side of the transformer to the other side is covered as well as dot notation of polarity. Coverage continues with the introduction of real (practical) transformers along with their electrical model. Equations are developed to relate the primary voltages and currents from one side of the transformer to the other side. Copper and core losses for these transformers are calculated and relation between core dimension, core permeability and number of turns with different electrical parameters of the transformer are discussed. The final topics of the webinar are on the two important test protocols namely short-circuit test and open circuit test which allow calculation of the most important electrical parameters of transformers.
This 3 CPD online live webinar is intended for electrical engineers, as well as design personnel who are interested in learning fundamentals of operations of power transformers.
This PE continuing education live webinar is designed to provide you with the following specific knowledge and skills:
- Understand the fundamentals of operation of ideal as well as real (practical) single-phase two-winding transformers
- Develop and draw the electrical model of ideal and real single-phase two-winding transformers
- Calculate transformer copper and core losses
- Design open circuit and short circuit tests and calculate the internal shunt and series impedances of real (practical) transformers
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