Tiêu chuẩn quốc tế
|
Số hiệu
Standard Number
EN 61869-4:2014
Năm ban hành 2014
Publication date
Tình trạng
A - Còn hiệu lực
Status |
|
Tên tiếng Anh
Title in English Instrument transformers - Part 4: Additional requirements for combined transformersIEC 61869-4:2013
|
|
Giá:
Price Liên hệ / Contact us
|
|
Phạm vi áp dụng
Scope of standard IEC 61869-4:2013 applies to newly-manufactured combined transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. The requirements and tests of this standard, in addition to the requirements and tests of IEC 61869-1, IEC 61869-2 and IEC 61869-3 cover current and inductive voltage transformers that are necessary for combined instrument transformers. This standard replaces IEC 60044-3: Combined transformers.
|