Current Sensing of Electrical Drives

Current Sensing of Electrical Drives: Current Sensing of Electrical Drives is required for the implementation of current limit control, inner current control loop of closed-loop speed control, closed-loop torque control…

Continue Reading Current Sensing of Electrical Drives

Current Limit Control of Drives

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.…

Continue Reading Current Limit Control of Drives

Time and Energy Loss in Transient Operations

Time and Energy Loss in Transient Operations: Starting, braking, speed change and speed reversal are transient operations. Time and Energy Loss in Transient Operations can be evaluated by solving Eq.…

Continue Reading Time and Energy Loss in Transient Operations

Motor Design Parameters

Motor Design Parameters: Different parts of a load may be coupled through different mechanisms, such as gears, V-belts and crankshaft. These parts may have different speeds and different types of…

Continue Reading Motor Design Parameters

Color Picture Tube Working

Color Picture Tube Working: A Color Picture Tube Working requires correct sweep currents, input voltages and drive voltages. Having said this very quickly, it is now a good idea to…

Continue Reading Color Picture Tube Working

Television Horizontal Deflection Circuit

Television Horizontal Deflection Circuit: The function performed by these circuits is exactly the same as already described for the vertical deflection circuits. There are some practical differences. The major one…

Continue Reading Television Horizontal Deflection Circuit

Vertical Deflection Circuit in TV

Vertical Deflection Circuit in TV: The Vertical Deflection Circuit in TV include the vertical oscillator and amplifier for vertical scanning at 60 Hz and a similar horizontal arrangement for scanning…

Continue Reading Vertical Deflection Circuit in TV

Choke Balun

Choke Balun: A Choke Balun, or balance-to-unbalance transformer, is a circuit element used to connect a balanced line to an unbalanced line or antenna. Or, as is perhaps a little…

Continue Reading Choke Balun