Energy Conservation in Electrical Drives

Measures for Energy Conservation in Electrical Drives

Measures for Energy Conservation in Electrical Drives: Following Measures for Energy Conservation in Electrical Drives: Use of efficient semiconductor converters. Use of efficient motors. Use of variable speed drives. Energy efficient operation of drives. Improvement of power factor. Using a motor of right rating. Improvement of quality of supply. Use of single- to three-phase semiconductor …

Measures for Energy Conservation in Electrical Drives Read More »

Power Factor Improvement Methods

Power Factor Improvement Methods: There are many drives which operate at a low power factor. Some of Power Factor Improvement Methods are: An induction motor direct on line. ac-dc diode rectifier and line commutated thyristor converter fed dc motor and variable frequency ac motor drives. ac regulator fed induction motor drives. Induction motor drive with …

Power Factor Improvement Methods Read More »

Energy Efficient Operation of Drives

Energy Efficient Operation of Drives: In many Energy Efficient Operation of Drives applications involving constant speed operation, induction motors operate under no load or light load for prolonged periods, such as in pressing machine, conveyors, rock crushers, centrifuges, drill presses, wood saw and, some machine tools. In such applications, saving in energy can be achieved …

Energy Efficient Operation of Drives Read More »

Application of Variable Speed Drives

Application of Variable Speed Drives: Several drives are driven at constant speeds by induction or synchronous motors, although operation of Application of Variable Speed Drives could lead to saving of substantial amount of energy. Such practice was adapted in the past because of nonavailability of efficient methods of speed control of induction and synchronous motors. One …

Application of Variable Speed Drives Read More »

Use of Efficient Semiconductor Converters

Use of Efficient Semiconductor Converters: Prior to development of Use of Efficient Semiconductor Converters, inefficient power modulators were employed in several applications. While replacement of these power modulators by the semiconductor converters in appropriate applications brings about substantial amount of energy saving, the cost of replacement can be recovered in a short period ranging from …

Use of Efficient Semiconductor Converters Read More »