This paper investigates the different control objectives, such as loss reduction, neutral point
(NP) balance and noise reduction of the space vector modulation (SVM), for the three-level …

The neutral-point voltage unbalance problem holds back the extensive application of neutral-
point-clamped (NPC) multilevel converters with more than three voltage levels in industry …

Unique pitfalls in parallel three-level T-type inverters (3LT 2 Is) are potential zero-sequence
circulating currents (ZSCCs) which are more complex than parallel two-level inverters and …

Virtual space vector pulsewidth modulation (VSVPWM) provides a new approach to neutral
point voltage (NPV) control and common mode voltage (CMV) suppression. Few values of …

Neutral-point (NP) voltage imbalance is an inherent problem of three-level neutral-point
clamped (NPC) converter. To solve this problem, an improved virtual space vector pulse …

Novel switching sequences have been proposed recently for a neutral-point-clamped three-
level inverter, controlled effectively as an equivalent two-level inverter. It is shown that the …

This paper investigates a Vienna rectifier as a charger for series-connected battery packs.
Focusing on carrier-based pulsewidth modulation (CBPWM), the ripple current flowing …

Recently, a few fault-tolerant control strategies have been proposed for T-type three-level
inverters to improve the reliability of the inverter system. However, the neutral-point (NP) …

In order to solve the neutral-point voltage unbalancing problem for three-level inverters, this
paper proposes a method to balance the neutral-point voltage for three-level inverters with …

Balanced issues of neutral-point (NP) voltage in the neutral-point-clamped (NPC) three-level
photovoltaic converter have been studied in depth. Numerous algorithms for NP voltage …