Reflecting the latest trends and practices from industry, the cutting-edge new ELECTRICAL CONTROLS FOR MACHINES, 7e delivers a thorough introduction to the range of technologies found in todayas electrical machine controls. Completely up to date, circuit diagrams and the descriptions of the circuits illustrate a modern representation of the controls circuits. The text also offers expansive coverage of the power and control circuitry required to operate electrical machinery. While it discusses the trend away from relay control to PLC control, the text maintains solid coverage of relay circuits. Its emphasis on the critical importance of worker and equipment safety in industrial settings includes a detailed explanation of the risk assessment process and a safety relay circuit. In addition, the inclusion of international equipment specifications reflects the dramatic impact of globalization and integration of businesses on the way industries function. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.In addition, all the motors will be de-energized through operation of the one common stop push-button. This circuit is shown in Figure 14-12. Note that the start pushbutton must be pressed and held until #3 motor starter coil is energized andanbsp;...
|Title||:||Electrical Control for Machines|
|Publisher||:||Cengage Learning - 2015-01-01|