It is expected to achieve approximately 40% reduction in power consumption compared to the thyristor method while maintaining dust collection performance. (During intermittent load charging)
IGBT (Insulated Gate Bipolar Transistor) has recently garnered attention as a power semiconductor device for power control, serving as an alternative to traditional thyristors. IGBTs combine high-speed switching performance with excellent power control capabilities, making them widely used in various fields, from household appliances to industrial equipment and renewable energy systems. Our company was the first in Japan to adopt IGBT-based high-voltage power supplies in electric dust collectors. This has achieved significant energy savings compared to conventional methods, reducing power consumption during operation and contributing to lower CO₂ emissions. Our IGBT-based high-voltage power supplies balance energy efficiency and environmental considerations with high-efficiency operation, meeting the diverse needs of our customers. Please feel free to consult us regarding new installations or updates to high-voltage power supplies.
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basic information
【Advantages】 ■ The device body is compact and lightweight ■ Ripple voltage is low, allowing for stable charging ■ Three-phase input power is possible ■ High power factor ■ High power efficiency (low heat loss) ■ Fast response speed during sparking 【Effects】 ■ Reduction in the weight of the framework ■ Difficult to generate sparks even at high charging voltages, maintaining dust collection performance ■ Cost reduction for primary electrical equipment ■ Low power consumption ■ Immediate cessation of charging possible during abnormal conditions with frequent sparking
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Applications/Examples of results
【Application Example】 ■ By replacing the high-voltage power supply unit of the electric dust collector from a thyristor type to an IGBT type and implementing intermittent load operation, approximately 40% of power consumption (CO2 emissions) has been reduced. ■ We have already delivered 7 electric dust collectors equipped with IGBT high-voltage power supply units, and the results are increasing. (Domestic: 1 unit, Overseas: 6 units)
Detailed information
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By changing the high-voltage power supply system from thyristor to IGBT and implementing intermittent load operation, a reduction of approximately 40% in power consumption (CO2 emissions) can be expected.
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The recommended replacement period for conventional thyristor-based high-voltage power supply systems is said to be 15 years. We recommend this for those who have been using it for over 15 years and are considering energy-saving measures. Our test equipment can propose the reduction effects on power consumption (CO2 emissions). Please feel free to consult with us.
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Company information
Our company has been engaged in providing high environmental engineering and repair and maintenance technologies that support non-ferrous metal smelting. As an engineering company where each individual possesses high technical skills and contributes to society, we will work together as one team to make efforts. Please feel free to consult us if you have any requests.
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