Latest General Concepts News
Geospacial Information System
As used in SSCM, a geospacial information system, or GIS, is a…
Global Positioning System
Development of the global positioning system, or GPS, began in 1973 under…
Motor Nameplate Information
Design and rating standards developed by the National Electrical Manufacturer’s Association (NEMA)…
Three-Phase Induction Motors
Single-phase motors become impractical in sizes much above 7.5 kW (10 hp)…
Repulsion-start, induction-run motors
A repulsion-start, induction-run motor is illustrated schematically in Figure 3.8. Unlike the…
Two-value-capacitor, induction-run motors
A schematic diagram of a two-value-capacitor, induction-run motor (also called a capacitor-start,…
Capacitor-start, induction-run motors
A capacitor-start, induction-run motor is illustrated in Figure 3.6a. An electrolytic capacitor…


