00898nam a2200229Ia 4500 CTU_35516 210402s9999 xx 000 0 und d 812.000đ 812000 621.3021 C556 Christoffer, V. F. Handbook of electric tables and design criteria V. F. Christoffer New York McGraw-Hill 1998 The book features tables and data for aluminum and cooper conductors; calculation forms for voltage drop and derating of conductors; circuit design data for three-phase motors and transformers; data for power factor correction; NEMA ratings for enclosures; fault-current tables, data, and calculation forms. Electric engineering Tables Minh, QHieu Trung tâm Học liệu Trường Đại học Cần Thơ