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The STATCOM (Synchronous Static Compensator) based on VSC (Voltage Source Converter) is used for voltage regulation in transmission and distribution systems. The STATCOM can rapidly generate or absorb dynamic reactive power during system faults for voltage regulation. Strict requirements of STATCOM loss and total system loss penalty preclude the use of PWM (Pulse-Width Modulation) for STATCOM applications...
The 48-pulse series connected 3-level neutral point clamped (NPC) converter approach has been used in unified power flow controller (UPFC) application due to its near sinusoidal voltage quality. This paper investigates the control and operation of series and shunt converters with 48-pulse voltage source converters (VSC) for UPFC application. A novel controller for series converter is designed based...
This paper presents a new approach for the modeling and dynamic control of the back-to-back systems which are based on voltage source converters. The state-space average method is used to derive the non-linear model of the system. Through a non-linear transformation and power balance fact a linear model for the system is developed. It is shown that DC link of the system can be regulated only from...
Voltage source converter (VSC) based STATCOM (synchronous static compensator) is used for voltage regulation in transmission and distribution systems. Over-currents and trips of the STATCOM during and after system faults or bus voltage harmonic distortions may occur in STATCOM without PWM control. Selecting proper DC capacitor (Cdc) may keep negative-sequence and harmonic currents low, and as a result,...
The STATCOM (synchronous static compensator) based on voltage source converter (VSC) is used for voltage regulation in transmission and distribution systems. However, strict requirements of STATCOM losses and total system loss penalty preclude the use of high frequency PWM (pulse-width modulation) for VSC based STATCOM applications. This constraint of implementing VSC without PWM results in VSC DC...
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