DIN EN 60676 : 2012

1. Scope and object
2. Normative references
3. Definitions
4. Type of test and general conditions of their performance
   4.1 List of tests
   4.2 General conditions of test performance
5. Recommendations on technical tests
   5.1 Measurement of electrical insulation of high-current
       line
   5.2 Measurement of cooling-water flow rate and heat losses
   5.3 Measurement of the speed of electrode motion
   5.4 Check of the rated capacity of the furnace
   5.5 Carrying out a short-circuit test during normal
       operation (not applicable for d.c. direct arc furnaces)
   5.6 Determination of the main operating characteristics
       during the power-on time
   5.7 Measurement of the specific electrode wear
   5.8 Phase rotation check
Figure 1 - Wiring diagram for measurement of the resistance and
           the high-current line (three-phase short circuit)
Figure 2 - Wiring diagram for measurement of the resistance and
           reactance of the high-current line (one-phase short
           circuit)
Figure 3 - Example of a wiring diagram of an a.c. arc furnace
           equipped with saturable reactors
Annex ZA (normative) Normative reference to international
         publications with their corresponding European
         publications