Số hiệu tiêu chuẩn
IEC 61557-7*CEI 61557-7
Tên tiêu chuẩn
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence
Ngày phát hành
1997-02-00
Tiêu chuẩn tương đương
DIN EN 61557-7 (1998-05), IDT * BS EN 61557-7 (1997-07-15), IDT * EN 61557-7 (1997-03), IDT * NF C42-198-7 (1997-07-01), IDT * OEVE EN 61557-7 (1997-04-16), IDT * PN-EN 61557-7 (2002-08-15), IDT * PN-EN 61557-7 (2004-04-14), IDT * SS-EN 61557-7 (1998-02-27), IDT * UNE-EN 61557-7 (1998-09-24), IDT * GOST R IEC 61557-7 (2009), IDT * TS EN 61557-7 (2002-12-18), IDT * STN EN 61557-7 (2001-10-01), IDT * CSN EN 61557-7 (1998-10-01), IDT * NEN-EN-IEC 61557-7:1997 en (1997-04-01), IDT
Thay thế cho
IEC 85/95/FDIS (1996-09)
Từ khóa
Control instruments * Controlling * Currents * Datum * Definitions * Direct current installations * Direction of rotating field * Distribution systems * Electric mains * Electrical * Electrical engineering * Electrical safety * Electromagnetic tests * Grids * Indications * Influence quantity * Inscription * Installations for rated voltages * Instructions for use * Instruments * Limits (mathematics) * Low voltage mains * Low-voltage equipment * Low-voltage installations * Measurement * Measuring * Measuring equipment * Measuring instruments * Monitoring * Nominal use * Operating instructions * Output voltage * Phase sequence * Plant * Protection * Protective measures * Rated current * Rated voltage * Reference conditions * Resistance measurement * Specification (approval) * Specimens * Supply voltages * Surveillance (approval) * Test equipment * Testing * Testing set-ups * Use * Nets * Network