خرید و دانلود نسخه کامل کتاب Motors & Drives: A Practical Technology Guide 2nd Edition

This  practical guide developed by Dave Polka, an industry veteran with more  than 30 years of experience, is an invaluable resource for design  engineers, automation and control specialists, maintenance technicians,  and students. The basic theories of AC and DC drives haven’t changed but  the technology certainly has, and this new edition takes a fresh look  at how market demands have advanced motor and drive technology to lead  the industry in new directions. The second edition incorporates significant new material, including  discussions on: AC drives and machine safety Application-specific drives and soft-starters Enhanced programmability for AC drives including adaptive, function  block, sequential, and IEC-61131-3 programming Master(leader)-follower, Ethernet, fiber-optic, and PLC communications The principles of DC and variable frequency AC drive technology An overview of drive components and types of drives, with special  emphasis given to common applications and energy savings DC and AC motor and drive operation, as well as AC vector, servo, and  permanent magnet motors Inside you will also find easy to understand explanations, summaries,  review questions, glossaries, reference tables for formulas and  conversions. Great for a tutorial or desk reference!