Microprocessors and Control for Electric Drives Articles

Microprocessors and Control for Electric Drives Articles: Introduction to Microprocessors and Control of Electric Drives: Conventionally, control of thyristor converter fed electrical drives (both dc and ac) is performed using…

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Generating Voltmeter Principle and Construction

Generating Voltmeter Principle and Construction: High voltage measuring devices employ generating principle when source loading is prohibited (as with Van de Graaff generators, etc.) or when direct connection to the…

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Protection of Alternators

Protection of Alternators: The generating units, especially the larger ones, are relatively few in number and higher in individual cost than most other equipment's. Therefore, it is desirable and necessary…

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Power Factor Improvement

Power Factor Improvement: The low power factor is mainly due to the fact that most of the power loads are inductive and, therefore, take lagging currents. In order for Power…

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Inverter Control using Terminal Voltage Sensing

Inverter Control using Terminal Voltage Sensing: The Inverter Control using Terminal Voltage Sensing of the synchronous motor is obtained using the triggering pulses to the inverter which are synchronized with…

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Function Generation and Linearisation

Function Generation and Linearisation: An important aspect of the closed loop control system is the use of Function Generation and Linearisation, e.g. in the control of induction motors there exists…

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Turbocompressors

Turbocompressors: The turbocompressors and blowers in the industry require drives rated up to 40 MW. Drives of large rating are also required in steel industry blast furnace blowers in natural…

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