Data Acquisition Articles

Data Acquisition Articles: Data Acquisition System: A typical Data Acquisition System consists of individual sensors with the necessary signal conditioning, data conversion, data processing, multiplexing, data handling and associated transmission,…

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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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Control Techniques for Electric Drives Articles

Control Techniques for Electric Drives Articles: Introduction Control Techniques in Electric Drives: An electric drive is a well established industrial drive as it has several ad­vantages and special features. Its…

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Classification of High Voltage Laboratories

Classification of High Voltage Laboratories: Classification of High Voltage Laboratories depending on the purpose for which they are intended and the resources (finances) available, can be classified into four types.…

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Dielectric Constant and Loss

Dielectric Constant and Loss: Many insulating substances have dielectric constant greater than unity and have Dielectric Constant and Loss when subjected to a.c. voltages. These two quantities, namely, the dielectric…

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Insulation Coordination of Substation

Insulation Coordination of Substation: For steep fronted lightning waves at Insulation Coordination of Substation and at different points on lines, the voltages at sub-stations may exceed the protective level depending…

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Distortion of Travelling Waves

Attenuation and  Distortion of Travelling Waves: As a Travelling Waves moves along a line, it suffers both attenuation and distortion. The decrease in the magnitude of the wave as it…

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