Key Takeaways The average 401 (k) balance for 50-year-olds provides a helpful benchmark for retirement planning, but the numbers vary by plan provider.

The modular multilevel converter (MMC) becomes attractive for high-voltage and high-power applications due to its high modularity, availability, and power quality. The voltage balance issue of ...

This letter focuses on the power module (PM) capacitor voltage balancing of a -kV/1000-MW modular multilevel converter (MMC). For this MMC, the current flowing through the IGBTs will exceed the ...