EN 60646:1998

Foreword
1 Scope and object
2 Normative references
3 Definitions
4 Type of test and general conditions of tests
    4.1 General conditions for performance of tests
    4.2 List of tests
    4.3 Conditions for performing the tests
5 Methods for tests and measurements
    5.1 Electrical withstand test of the inductor assembly
    5.2 Pressure test of cooling water circuits
    5.3 Flow test of cooling water circuits
    5.4 Measurement of temperature rise of the coolant
    5.5 Determination of power P[1] and power factor cos phi[1]
          of the furnace power circuit
    5.6 Determination of holding power P[h]
    5.7 Determination of specific energy consumption, melting
          and/or superheating rate
    5.8 Measurement of the temperature of furnace structural
          components
Annex A (normative) - Explanatory diagrams for symbols and definitions
                      relating to the furnace power circuit
Annex ZA (normative) Normative references to international publications
                      with their corresponding European publications

Applies to electroheating installations comprising industrial coreless (crucible) induction furnaces for melting and for holding at temperature a molten charge. Standardizes test methods to determine the essential parameters and technical characteristics of electroheating installations comprising the furnaces indicated above.