An SL2CC Approach for Eliminating Commutation Failure in HVDC system - Softcover

Inhaltsangabe

Commutation failure in HVDC (High Voltage Direct Current) systems is a critical issue that occurs when the current fails to transfer between thyristors during the inverter operation, potentially leading to system instability, damage to equipment, or even system shutdown. This issue arises due to factors like voltage fluctuations, poor control of current, or sudden changes in system parameters.The SL2CC (Selective Load Commutation Control) approach is an advanced method to mitigate commutation failure in HVDC systems. It is specifically designed to prevent the occurrence of commutation failure by selectively controlling the inverter’s load and ensuring that the voltage and current waveforms remain stable under varying operational conditions. The core concept of SL2CC involves adjusting the control signals in real-time to ensure smooth transitions between the thyristors during the commutation process.

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