Iml-Electricity 4 7e - Tapa blanda

The fourth book in Delmar's Electricity 1-4 series, "Electricity 4: AC/DC Motors, Controls and Maintenance, 7E introduces readers to DC and AC motors, as well as many types of manual, magnetic and electronic controls. Throughout this edition, motors are described in detail enabling the reader to develop a working knowledge of the operations, advantages and disadvantages of each type. A wide variety of controls are also explained to aid understanding, while discussion of AC motors and associated controls helps to develop an appreciation of control schemes applied to various applications of the motors.