Browse Publications Technical Papers 2002-01-3206
2002-10-29

Power Quality Specification Development for More Electric Airplane Architectures 2002-01-3206

Power quality has become a subject of increased attention for electrical power systems on both commercial and military aircraft. Several power quality guidelines and specification documents exist that govern today's power system operation and the contributing characteristics of electrical load equipment. This paper presents power quality requirements for future Boeing commercial airplanes, driven by advances in aerospace applications of power electronic equipment, increased load demand and complexity, as well as new power system architectures. The influence of new equipment types on electrical system power quality is described including the effects of motor controllers, AC power converters, and large dynamic loads. The impact of power type classifications such as variable frequency AC power and multiple DC voltage levels is also discussed. Simulation results are presented to develop and validate these power quality requirements.

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