CSA C60044-3 :2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INSTRUMENT TRANSFORMERS - PART 3: COMBINED TRANSFORMERS
Hardcopy , PDF
12-01-2014
English
01-01-2011
FOREWORD
1 Scope and object
2 Definitions
3 Normal and special service conditions
4 Ratings
4.1 General
4.2 Limits of temperature rise
5 Design requirements
5.1 General
5.2 Transmitted overvoltages
6 Tests
6.1 Classification of tests
6.2 Type tests
6.3 Routine tests
6.4 Special tests
7 Type tests
7.1 General
7.2 Temperature-rise test
7.3 Impulse tests on primary windings
8 Routine tests
8.1 General
8.2 Power-frequency withstand test on the primary winding
9 Special tests
9.1 General
9.2 Measurement of capacitance and dielectric dissipation
factor
9.3 Transmitted overvoltage measurement
10 Marking
10.1 Rating plate marking
10.2 Terminal marking
11 Additional requirements for measuring and protective
combined transformer
11.1 General
11.2 Mutual influence
11.3 Type test for accuracy of measuring and protective
combined transformer
11.4 Routine accuracy tests for measuring and protective
combined transformers
Annex A - (informative) The mutual influence of current and
voltage transformers
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