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PWM-controlled series compensation with low harmonic distortion
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UNSPECIFIED (1997) PWM-controlled series compensation with low harmonic distortion. IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION, 144 (6). pp. 555-563. ISSN 1350-2360.
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Abstract
The paper describes a pulse width modulation (PWM)-controlled series compensator with continuously variable reactance, employing simple PWM duty ratio control. Each phase of the compensator comprises a switched reactor and parallel capacitor. The duty ratio control gives a wide range of capacitive and inductive compensation. The harmonics created by the switched reactor have been analysed. The switched reactor and parallel capacitor have been simulated with a range of switching frequencies and duty ratios. With appropriate choice of capacitor and reactor, a scaled-down experimental model of the compensator has been simulated and constructed. The harmonics have been found to be small even with the switching frequency of the controlled turn-off switches as low as 400 Hz. A large step change in duty ratio from maximum capacitive compensation to inductive compensation shows the rapid dynamic response of the compensator with a fast settling time. This demonstrates that the proposed compensator should be considered as another useful FACTS controller for series compensation.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
Journal or Publication Title: | IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION | ||||
Publisher: | IEE-INST ELEC ENG | ||||
ISSN: | 1350-2360 | ||||
Official Date: | November 1997 | ||||
Dates: |
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Volume: | 144 | ||||
Number: | 6 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 555-563 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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