00863nam a2200205Ia 4500 CTU_57876 210402s9999 xx 000 0 und d 33600 621.317 Th103 Nguyễn, Hồng Thái Rơle số lý thuyết và ứng dụng Nguyễn Hồng Thái, Vũ Văn Tẩm Hà Nội Giáo Dục 2001 Nội dung gồm các khái niệm cơ sở về Rơle bảo vệ, biến dòng điện và biến áp, bảo vệ quá dòng, các sơ đồ bảo vệ khoảng cách và chức năng kết hợp.... Electric relays,Relay control system,Electric power systems Qhieu Trung tâm Học liệu Trường Đại học Cần Thơ