Số hiệu tiêu chuẩn
IEC 61869-4*CEI 61869-4
Tên tiêu chuẩn
Instrument transformers - Part 4: Additional requirements for combined transformers
Ngày phát hành
2013-11-00
Tiêu chuẩn tương đương
DIN EN 61869-4 (2015-04), IDT * BS EN 61869-4 (2014-09-30), IDT * GB 20840.4 (2015), MOD * EN 61869-4 (2014-06), IDT * NF C42-569-4 (2014-12-26), IDT * PR NF C42-569-4, IDT * CAN/CSA-C61869-4 (2014-12-01), MOD * OEVE/OENORM EN 61869-4 (2015-05-01), IDT * PN-EN 61869-4 (2014-09-23), IDT * STN EN 61869-4 (2015-02-01), IDT * CSN EN 61869-4 (2014-09-01), IDT * DS/EN 61869-4 (2014-11-06), IDT * NEN-EN-IEC 61869-4:2014 en (2014-10-01), IDT * SANS 61869-4:2015 (2015-03-31), IDT
Từ khóa
Corrosion * Current transformers * Definitions * Degrees of protection * Design * Earthing * Electrical engineering * Electrical properties * Electrical properties and phenomena * Electrical safety * EMC * Instrument transformers * Insulations * Interference rejections * Limits (mathematics) * Marking * Measuring instruments * Mechanical properties * Operating conditions * Potential transformers * Protection against electric shocks * Protection devices * Qualification tests * Specification (approval) * Testing * Transformers