Microcomputers based loss-of-field protection for large generators

• Autores: Shi Shiwen, Yi Cheng
• Localización: Mini and Microcomputers and their applications / Emilio Luque Fadón (ed. lit.), 1988, págs. 68-71
• Idioma: inglés
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• Resumen

  • This article proposes an algorithm of loss-of-field protection based on dqo coordinate system and realized by phase current and voltage sampled quantities. Protection scheme, hardware and software are described. Dinamic model test of a prototype shows that the protection operates correctly and typed data coincide whit those from oscillogram.