Controlled Rectifier Fed DC Drives: Controlled Rectifier Fed DC Drives are used to get variable dc voltage from an ac source of fixed voltage. Controlled Rectifier Fed DC Drives are…
Armature Voltage Control using Transformer: Variable voltage for the dc motor control can also be obtained by either using an auto-transformer or a Armature Voltage Control using Transformer with tappings…
Ward Leonard Method of Speed Control: Known after the name of its inventor Ward Leonard Method of Speed Control (1891), it consists of a separately excited generator feeding the dc…
Speed Control of DC Motor Drives: The Speed Control of DC Motor Drives can be any of the following methods: Armature voltage control Field flux control Armature resistance control Speed-torque…
Transient Analysis of DC Motor: Starting, braking, reversing speed changing and load changing are the Transient Analysis of DC Motor which commonly occur in an industrial drive. One is interested…
DC Shunt Motor Starter Design: Maximum current that a DC Shunt Motor Starter Design can safely carry during starting is limited by the maximum current that can be commutated without…
Types of DC Motor: The commonly used Types of DC Motor are shown in Fig. 5.1. In a separately excited motor, the field and armature voltages can be controlled independent…
Motor Rating Various Duty Cycles: From the point of view of calculation of motor rating various Motor Rating Various Duty Cycles can be broadly classified as: Continuous duty. Fluctuating loads.…