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Revision Standard – Active.Metal-enclosed (ME) bus assemblies for indoor and outdoor use are discussed in this standard. The types of assemblies covered are nonsegregated-phase bus, cable bus, segregated-phase bus, and isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 1058 V through 38 kV with continuous-current ratings of 600 A through 26 000 A for self-cooled ratings and up to 50 000 A for forced-cooled ratings. Rated maximum voltage levels of dc ME bus assemblies range from 300 V through 3200 V with continuous-current ratings of 600 A through 15 000 A. Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed. A guide for calculating losses in isolated-phase bus is included.
Product Details
- Published:
- 05/17/2016
- ISBN(s):
- 9781504420747, 9781504406505, 9781504406512
- Number of Pages:
- 80
- File Size:
- 1 file , 4 MB
- Product Code(s):
- STD20772, STDPD20772, STDPL20772