Số hiệu tiêu chuẩn
NF C42-501
Tên tiêu chuẩn
Measuring instruments. Single-phase voltage transformers. Characteristics.
Ngày phát hành
1973-03-01
Tiêu chuẩn tương đương
CEI 60186:1969,EQV
Tiêu chuẩn liên quan
C54-110 * C42-500 * C42-501
Thay thế bằng
NF EN 60044-2:200011 (C42-544-2) * NF EN 60044-5:200409 (C42-544-5)
Lịch sử ban hành
NF EN 60044-2:200011 (C42-544-2)*NF EN 60044-5:200409 (C42-544-5)*NF C42-501
Từ khóa
Precision * Type testing * Electrical measurement * Nominal thermal output * Routine check tests * Insulation levels * Marking * Specifications * Trials * Electrical equipment * Rated voltage * Heat * Rated power * Errors * Potential transformers * Approval testing * Type tests * Definitions * Electric discharges * Heating tests * Testing * Water-absorption tests * Electrical protection equipment * Instrument transformers * Dielectric-strength tests
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NF C42-501
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