商品簡介
Senty (construction electricity, Anoka Technical College, Minnesota) explains basic single-phase and three-phase electric induction motor theory and operation; common motor control circuit schemes; reading, interpreting, and documenting motor control circuit diagrams; and providing practice circuits for connecting the actual motor control circuit components from ladder diagrams. His goal is to help students establish a foundation either for further formal study or for apprenticeship or other experience opportunities. His topics include electromagnetic induction theory, motor nameplate information, magnetic relays and contacts, motor starter circuits, and three-wire motor control. Annotation c2012 Book News, Inc., Portland, OR (booknews.com)