Clamping Circuit

Clamping Circuit: Negative and Positive Voltage Clamping Circuits - A clamping circuit, also known as a dc restorer, changes the dc voltage level of a waveform, but does not affect…

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Half Wave Rectifier with Capacitor Filter

Half Wave Rectifier with Capacitor Filter: Half Wave Rectifier with Capacitor Filter - When a sinusoidal alternating voltage is rectified, the resultant waveform is a series of positive (or negative)…

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Half Wave Rectifier Circuit

Half Wave Rectifier Circuit: A basic diode Half Wave Rectifier Circuit is shown in Fig. 3-1(a). An alternating input voltage is applied to a single diode connected in series with…

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Traction Drives Articles

Traction Drives Articles: Electric Traction Services: Electric Traction Services can be broadly classified as: Electric Trains. Electric buses, trams (or tramways) and trolleys. Battery driven and solar powered vehicles. Electric…

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Induction Motor Drives Articles

Induction Motor Drives Articles: Three Phase Induction Motors: Three Phase Induction Motors are of two types: squirrel-case and wound-rotor. In squirrel-cage, the rotor consists of longitudinal conductor-bars shorted by circular…

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DC Traction

DC Traction using Semiconductor Chopper Controlled DC Motors: Chopper control has replaced resistance control in all dc traction schemes, such as 1500 V dc main line and suburban traction, 750…

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Semiconductor Converter Controlled Drives

Semiconductor Converter Controlled Drives: These are now widely used both in ac and dc tractions involving dc and ac motors, and the conventional drives have all become outdated, and will…

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Conventional DC and AC Traction Drives

Conventional DC and AC Traction Drives: The commonly used Conventional DC and AC Traction Drives are The dc Traction Drives Employing Resistance Control: The dc traction drives employing resistance control…

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