Improved Neutral-Point Voltage-Shifting Strategy for Power Balancing in Cascaded NPC/H-Bridge Inverter
نویسندگان
چکیده
منابع مشابه
Harmonic Compensation and Load Balancing Using Cascaded H- bridge Multilevel Inverter in High Voltage Systems
This paper presents detailed modeling and simulation of a compensator for Load balancing and harmonics Compensation based on a five-level cascaded H-bridge multilevel voltage source inverter. This type of compensator, which is installed in parallel with the load, is usually referred to as the shunt active power filters (APF). Nowadays use of high voltage non-linear loads are widely used in indu...
متن کاملA Novel Controller Based on Single-Phase Instantaneous p-q Power Theory for a Cascaded PWM Transformer-less STATCOM for Voltage Regulation
In this paper, dynamic performance of a transformerless cascaded PWM static synchronous shunt compensator (STATCOM) based on a novel control scheme is investigated for bus voltage regulation in a 6.6kV distribution system. The transformerless STATCOM consists of a thirteen-level cascaded H-bridge inverter, in which each voltage source H-bridge inverter should be equipped with a floating and iso...
متن کاملZero-voltage switching for the neutral-point-clamped (NPC) inverter
This paper proposes a transformer-assisted pulsewidth-modulation zero-voltage-switching neutral-pointclamped (NPC) inverter. With the assistance of a transformer-assisted small-rating lossless auxiliary circuit, the main switches work with zero-voltage switching without suffering from any voltage/current spikes, under simple explicit control. The technique allows for higher operating frequency ...
متن کاملA Cascaded NPC/H- Bridge Inverter with Superior Harmonic Content and Improved DC Link Voltage Control for Grid Interface Application
Modeling of Cascaded Multilevel converter has put more emphasize on conventional cascaded Hbridge inverter. First a new phase shifted SPWM control algorithm for cascaded NPC/H-bridge inverter is proposed. Its Superior harmonic suppression is verified by comparing its harmonic spectrum with that of the conventional multicarrier approach. For DCbus capacitor voltage control, a new, balance circui...
متن کاملA Cascaded Dual Buck Half-Bridge Inverter for Efficient Power Flow Control in Grid
This paper presents a single phase 7-level half bridge cascade dual buck multilevel grid-tied inverter with both active and reactive power flow control in a wide range under two types of renewable energy. The power flow is controlled by varying the switching pulse of the power semiconductor device used in the half bridge cascade dual buck multilevel grid-tie inverter. The multicarrier sinusoida...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Electronics
سال: 2018
ISSN: 2079-9292
DOI: 10.3390/electronics7090167