Results 101 to 110 of about 7,459 (224)
Model based adaptive direct power control for three-level NPC converters [PDF]
In this work, a Model Based Adaptive Direct Power Control (MB-ADPC) with constant switching frequency for Three-Phase Three-Level Neutral Point Clamped (3L-NPC) converters is proposed. The rectifier and inverter operation mode are used to illustrate the
García Franquelo, Leopoldo +4 more
core +1 more source
A hybrid high‐efficiency nine‐level inverter with high DC voltage utilization ratio
This paper proposes a new hybrid nine‐level inverter topology with high efficiency and high dc voltage utilization ratio, which provides a potential for renewable energy power conversion.
Qicai Ren, Alian Chen, Xi Liu, Tong Liu
doaj +1 more source
High-Efficiency NPC Multilevel Converter Using Super-Junction MOSFETs [PDF]
Super-junction MOSFETs exhibit low on-state resistances and low switching losses. However, the reverse recovery behavior of their intrinsic diodes and their output capacitance characteristics make their deployment in freewheeling locations challenging ...
Anthony, Philip H +2 more
core +3 more sources
ANN‐Based Alternative Controllers for Three‐Phase Four‐Wire Grid‐Connected NPC Inverters
The synchronously rotating reference frame (SRRF)‐based proportional‐integral (PI) control technique has been though studied in many different inverter applications, a well‐designed and clearly presented application of this technique for the three‐phase,
Yunus Emre Yağan
doaj +1 more source
The article deals with the power analysis of semiconductor devices nowadays commonly used in perspective traction inverter topologies suitable for automotive industry applications.
Jakub Šimčák +2 more
doaj +1 more source
Numerous voltage vectors exist in a neutral-point-clamped (NPC) three-level inverter. Traditional three-level model predictive control incurs a heavy online computational burden.
Guozheng Zhang +5 more
doaj +1 more source
A MODIFIED VIRTUAL SPACE VECTOR MODULATION TECHNIQUE FOR Z-SOURCE NPC INVERTERS [PDF]
A modified virtual space vector modulation approach for the control of a Z-source neutral point clamped inverter is presented in this paper. This approach works perfectly for the traditional neutral point clamped inverter.
Francis EFFAH +4 more
doaj
Study of solution towards ground leakage current via inverter switching in different topologies for grid connected PV system [PDF]
Renewable energy sources are major issues in order to address the energy problem. Among them, the PV (Photovoltaic) system will be dominant because its availability and reliability.
Kimpol, Norhanisa
core
Reliability improvement of the Photovoltaic (PV) inverter has a high potential for reducing the cost of PV energy. The DC-link capacitor is one of the main components influencing the reliability of PV inverter systems. Various pulse-width modulation (PWM)
Jae-Heon Choi +2 more
doaj +1 more source
Simulation and Development of Unified Power Flow Controller Using Multilevel Inverter [PDF]
Heavily loaded transmission lines and the inability to control the amount and direction of power flows have became major concerns to the power utilities.
Mailah, Nashiren Farzilah
core

