00748nam a2200217 4500 0 4 udc 0 0 CPL CPL GEN 2018-09-07 0 621.38 2018-4079919837 2018-09-07 00:00:00 3E18540 2018-09-07 BK 207370 207368 Ge_NSL 20180907151955.0 180907s1995 uk ||||| |||| 00| 0 eng d 0632022264 9780632022267 eng 621.38 Bush, K. G. 67824 Electrical variable speed drives / K. G. Bush. Oxford : Blackwell Science, 1995. vi, 138 p. Summary: This comprehensive survey of electrical variable speed drives is aimed at those engineers who work with, select or recommend for use variable speed drives and systems. ფიზიკა ელექტრონიკა udc BK