Análisis comparativo de normas IEEE112 e IEC 60034 2-1 para la evaluación energética en motores de inducción de jaula de ardilla

Abstract

This project proposes a methodology to evaluate the energy efficiency of motors from the comparative analysis of the techniques used in the IEEE112 and IEC60034-2-1 standards. To do this, method B of the IEEE112 standard is documented, tested and compared with the direct method of the IEC 60034 2-1 standard on an induction motor with a squirrel cage rotor from the Santo Tomás University laboratory. During laboratory tests of the cited standards, it is found that although they are based on the calculation of motor power losses, they do not take into account the largest number of factors that can affect the final efficiency of the complete three-phase motor system. That is why, in addition, the IEEE1459-2010 standard is consulted since it presents a more complete mathematical definition of apparent power by considering these factors, such as the harmonics of the source or under non-sinusoidal conditions of the voltage wave system input. Finally, the proposed methodology is evaluated in a Matlab simulation, which adds the calculations of the apparent input power of the IEEE1459 standard, to the B and R_eh methods tested in the USTA laboratory established by the IEEE112 and IEC6034 standards respectively. . The results of the energy efficiency obtained from the simulation are satisfactory (73.14%), with respect to the methodologies implemented in the laboratory tests (IEEE112 with 88.76% and IEC60034-2-1 with 69.04%) .