家電製品における最新のパワーエレクトロニクス技術 - 東芝
家電製品における最新のパワーエレクトロニクス技術 - 東芝
家電製品における最新のパワーエレクトロニクス技術 - 東芝
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Latest Power Electronics Technologies in Household Electrical Appliances<br />
<br />
<br />
<br />
<br />
MATSUO Katsuharu<br />
<br />
TANAKA Toshimasa<br />
<br />
MAEDA Masahiko<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
Inverter technologies are of great importance in recent household electrical appliances because of the significant progress made<br />
in enhancing the merits of such technologies.<br />
Toshiba has taken the initiative in the industry in applying inverter technologies, and has become the industry leader in<br />
commercializing various household electrical appliances incorporating these technologies. Among the latest examples are the<br />
direct-drive (DD) inverter fully automatic washing machine that achieves super silence, twin-cooling refrigerators that achieve<br />
improved food freshness preservation along with energy saving, and a microwave oven with a half-bridge inverter system that<br />
achieves the best efficiency and highest output in the industry. These products have been well received in the market.<br />
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2 DD<br />
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DD<br />
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DC<br />
DD <br />
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DD inverter automatic washing machine<br />
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1,000<br />
DD<br />
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DC<br />
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DC<br />
Nrpm<br />
500<br />
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5<br />
IA<br />
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0<br />
0 10<br />
TNm<br />
DD <br />
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Variable speed control of DD inverter motor<br />
20<br />
0<br />
DC<br />
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DC DC<br />
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L R<br />
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vVsin<br />
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Woei<br />
TKei/N<br />
WmRi 2<br />
Wsvi<br />
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Downsizing of inverter circuit adopting electrical braking system<br />
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DC <br />
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DC voltage correction method for pure sine wave<br />
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3<br />
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R<br />
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Cooling system of GR471K refrigerator<br />
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D<br />
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C<br />
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4<br />
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Comparison of inverters<br />
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Y <br />
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Y<br />
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W 1,430 1,250<br />
A 14.4 13.1<br />
99 95<br />
W 900 700<br />
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33kHz<br />
3953kHz<br />
cm 3 1,165 1,395<br />
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PWM<br />
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PWM<br />
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PWM<br />
PWM<br />
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Comparison of inverter switching systems<br />
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IGBT<br />
Comparison of IGBTs<br />
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AC100V<br />
CT<br />
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Tr12GT50G321<br />
Tr1<br />
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Tr<br />
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CTCurrent Transformer<br />
Tr2<br />
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ICTB1035N<br />
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VCESV 430 900<br />
ICA 50 60<br />
VCESatV typ. 1.8 2.3<br />
t fs typ. 0.3 0.25<br />
VFV max. 2.0 2.0<br />
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trrs max. 0.2 2.5<br />
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Circuit configuration of half-bridge inverter<br />
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5 <br />
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MATSUO Katsuharu<br />
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TANAKA Toshimasa<br />
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MAEDA Masahiko<br />
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