CSA C60044-3 :2007

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

Applies to combined instrument transformers for use with electrical measuring instruments and electrical protective devices. The requirements and tests specified in this Standard complement the requirements and tests specified in CAN/CSA-C60044-1, CAN/CSA-C60044-2, and CAN/CSA-C60044-5.