By performing intermittent load operation of the IGBT-type high-voltage power supply device, it is expected to achieve approximately 40% reduction in power consumption compared to the thyristor type while maintaining dust collection performance.
IGBT (Insulated Gate Bipolar Transistor) is a power semiconductor device characterized by high-speed switching, which has recently been used in a wide range of fields from general households to industrial equipment as a replacement for thyristors for power regulation. Our company was the first in the country to adopt IGBT-based high-voltage power supply units in electric dust collectors, aiming to achieve energy savings (electricity) and reduce CO2 emissions.
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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 is possible in case of frequent sparking anomalies
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Applications/Examples of results
【Application Example】 ■By replacing the high-voltage power supply unit of the electric dust collector from thyristor type to IGBT type and implementing intermittent load operation, approximately 40% of power consumption (CO2 emissions) has been reduced. ■Seven electric dust collectors equipped with IGBT-type high-voltage power supply units have already been delivered, 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 type to IGBT type 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 the system for over 15 years and are considering energy-saving measures. Our test equipment can propose the reduction effects on power consumption (and CO2 emissions). Please feel free to consult with us.
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Company information
Our company has been engaged in business as a provider of high environmental engineering and repair and maintenance technology that supports 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. Please feel free to consult us if you have any requests.