Closed Loop Speed Control of Multi Motor Drives: When mechanical part of the load is of large physical dimension it becomes desirable to share the load between several motors. For…
Current Limit Control of Drives: Current Limit Control of Drives scheme of Fig. 3.3 is employed to limit the converter and motor current below a safe limit during transient operations.…
Modes of Operation of Electrical Drive: Three types of Modes of Operation of Electrical Drive: Steady-State Acceleration including starting Deceleration including stopping As we know already, steady-state operation takes place…
Dynamics of Electrical Drives Articles: Torque Equation of Motor Load System: A motor generally drives a load (machine) through some transmission system. While motor always rotates, the load may rotate…
Fiber Optic Communication Articles: Fiber Optics History: In 1870 John Tyndall, a natural philosopher living in England, demonstrated one of the first guided light systems to the Royal Society. His…
Power Budget in Optical Fiber: The term Power Budget in Optical Fiber is the relationship between the power losses in fiber links and associated equipment and the available input power…
Fiber Optic Testing: The Fiber Optic Testing focuses primarily on the processes and equipment used during and after the installation of fiber optic cables and their associated equipment. The Fiber…
Fiber Losses: Energy losses and signal degradation in Fiber Losses can be attributed to a variety of causes, some of which have been mentioned previously. To add to this list:…