Development of low voltage 2 level IGBT inverter and converter for industrial applications

Okamoto, Tohru; Ishida, Yasumasa; Kato, Y.; Miyazaki, Satoru

doi:10.1109/icpe.2011.5944723

Cited by 4 publications

(2 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…An example discussed in the literature by the Toshiba Mitsubishi-Electric Industrial Systems Company is a two-level IGBT converter/inverter for drives with up to 2.7 MW power levels [76]. An example discussed in the literature by the Toshiba Mitsubishi-Electric Industrial Systems Company is a two-level IGBT converter/inverter for drives with up to 2.7 MW power levels [76].…”

Section: Metal and Paper Millsmentioning

confidence: 99%

IGBT Applications

Baliga

2015

The IGBT Device

View full text Add to dashboard Cite

Section: Metal and Paper Millsmentioning

confidence: 99%

IGBT Applications

Baliga

2015

The IGBT Device

View full text Add to dashboard Cite

“…Studies focused on efficiency improvement and reducing the volume of the system have been carried out to maximize power transfer. Most inverters used in renewable energy systems, energy storage systems (ESS), uninterruptible power supply (UPS), and solid-state transformers (SST) adopt the topology of a 2-level inverter [1][2][3][4][5][6][7]. The 3-level inverter can synthesize the output by subdividing the voltage level by one more than the 3-level inverter.…”

Section: Introductionmentioning

confidence: 99%

Hybrid PWM Strategy for Power Efficiency Improvement of 5-Level TNPC Inverter and Current Distortion Compensation Method

Lee

Cho

2019

Electronics

View full text Add to dashboard Cite

This paper proposes a pulse width modulation (PWM) strategy for improving the efficiency of a 5-level H-bridge T-type neutral point clamped (TNPC) inverter. In the case of the proposed PWM strategy, unlike the conventional PWM strategy in which both of the switching legs of the H-bridge inverter operate at a high frequency, one switching leg of the inverter operates at a low frequency. As the switching frequency is lowered, the switching loss is reduced, this improving the efficiency of the system. The duty references for the switching legs and the operating principle of the inverter are described in detail. The proposed PWM strategy, however, causes distortion of the output filter inductor current. The cause of the distortion has been analyzed and a compensation method is proposed to mitigate the distortion of the current. The effect of the proposed PWM strategy can be predicted through the loss calculation of the inverter for each modulation strategy. Furthermore, current distortion mitigation obtained by compensation method is confirmed through the simulation. In order to verify the effectiveness of the proposed strategy, a 2 kW H-bridge TNPC inverter prototype is implemented and tested. The simulation and experimental results show that the efficiency of the inverter is improved when the proposed PWM strategy is applied.

show abstract