| Budget Amount *help |
¥15,080,000 (Direct Cost: ¥11,600,000、Indirect Cost: ¥3,480,000)
Fiscal Year 2011: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2010: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2009: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2008: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
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| Research Abstract |
The magnetic properties of electrical steel sheets used for iron cores of electric machines such as transformers and motors are evaluated by means of a testing method based on a single sheet tester(SST) equipped with Japanese proposed H-coil technique for measuring the magnetic field strength. In this research, factors affecting the measurement accuracy of the testing method are examined with the aim of the international standardization. It is clarified that flatness of end surface contacting a specimen is considerably sensitive to the measurement accuracy. Its effect is remarkable, especially in an SST for 500 mm-width specimen proposed by the International Electrotechnical Commission.
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