Many work related electric accidents occurred in electric energy industries and they were very often fatal. The situation of electric accidents in electric companies worldwide is investigated by reviewing the scientific literature, to offer perspectives on the types and kinds of statistics available, the factors regarded as influencing their occurrence, their consequences, and also methodological shortcomings. Worldwide, reliable comparable data exist and indicate a downward trend in fatal electric accidents. Difficulties were encountered in compiling international statistics because of differences in how accident data were defined and recorded, variations in mandatory practices, lack of suitable data and indices, accident insurance systems, and lack of correlation between technical, financial, and medical aspects.
A variable speed wind generator system, having a wind turbine which drives a double-output induction generator DOIG is presented. The generator is connected to power electronic converters for the transformation from variable voltage-variable frequency, to constant voltage-constant frequency. The excitation voltage applied to the rotor makes the control of generated voltage and frequency and of active power.Laboratory tests were carried out for various operation modes determined by the characteristics of the wind speed. In order to study the effects of parameters variation on the power generated, the methodology we used was the comparison of the system's behavior operating with and without wind turbine by an experimental laboratory bench tests. Results for scenarios considering different parameters variations are presented and discussed.
Only a low percent of women follow studies and develop careers in the field of engineering and computer technologies (E/CT). An initiative for motivating and supporting young women towards future educational paths and careers in this field was undertaken in the framework of a European thematic network with the involvement of universities from almost all European countries. Mentoring was one of the most significant considerations during the first stage of the project. Twenty-six partners contributed with their views, suggestions and answers to a specific questionnaire on identifying the various qualifications building the profile of a prospective mentor. The paper discusses the important elements of mentoring schemes addressed to women deciding engineering education and career and analyses the proper mentor's competencies. The study reveals that mentors should have a wide range of qualifications apart from their technical background, such as good professional level and training experience, as well as willingness, communication skills and other individual characteristics related to their personality.
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