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Define Cables - Generation and Absorption of Reactive Power?
It is well known that the shunt capacitance of the cable is very large as compared to that of an overhead line. This is because the phase conductor of a cable is very close to the outer earthed metallic sheath. Hence, cables are generators of reactive power. For example, a 275 kV, 240 MVA cable produces 10 to 12 MVAr per mile and a 33 kV cable produces 0.2 MVAr per mile. Consequently they are not used for long a.c. transmission.
Q. Explain Power semiconductor-controlled drives? Power electronics deals with the applications of solid-state electronics for the control and conversion of electric power. Con
Consider an electromagnet, as shown in Figure, which is used to support a solid piece of steel and is excited by a coil of N = 1000 turns carrying a current i = 1.5 A. The cross-se
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This assessment requires you to reflect on an intercultural communication event that you have experienced between yourself and an Australian. a) Describe the event without eval
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Q. Explain working of Voltmeter? In order tomeasure the potential difference between two terminals or nodes of a circuit, a voltmeter is connected across these two points. A pr
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