A three-phase converter has a d-c rating of 120kw and 600volts. Assuming an efficiency of 94 percent and a power factor of 0.95, calculate: (A) the direct-current output (B) the slip-ring voltage and the slip-ring current (C) Also determine the kilovolt-ampere load on each of the transformers.
Quantization and Resolution
Quantization is a methodology of carrying out signal modulation by the process of mapping input values from an infinitely long set of continuous values to a smaller set of finite values. Quantization forms the basic algorithm for lossy compression algorithms and represents a given analog signal into digital signals. In other words, these algorithms form the base of an analog-to-digital converter. Devices that process the algorithm of quantization are known as a quantizer. These devices aid in rounding off (approximation) the errors of an input function called the quantized value.
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This topic is widely taught in many undergraduate and postgraduate degree courses of:
DEGREE: Electrical Engineering
SUBJECT/COURSE: AC Circuits
TOPIC: Converter and Rectifier
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PROBLEM:
A three-phase converter has a d-c rating of 120kw and 600volts. Assuming an efficiency of 94 percent and a power factor of 0.95, calculate:
(A) the direct-current output
(B) the slip-ring voltage and the slip-ring current
(C) Also determine the kilovolt-ampere load on each of the transformers.
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