TD8510 Testing System For Magnetic Properties Of Silicon Steel Sheets
Introduction
TD8510 is composed of excitation and measurement host, Epstein square ring, single-chip magnetometer (optional) and full-automatic measurement software. It can measure the AC magnetic properties of oriented or non-oriented silicon steel sheet, transformer or electronic core in the frequency range of 45Hz~65Hz.
Reference
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GB/T 3655-2008
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GB/T 13789-2008
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IEC 60404-2
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IEC 60404-3
Application
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Epstein frame method: measuring 30 mm*(300 ~ 320) mm sheet
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Single sheet method: measuring 500 mm*500 mm sheet
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Winding method:measuring ring type, U type, CD type iron core.
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measuring Hm, Bm, Jm, Ps, Ss, a.
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Drawing hysteresis loop, P-H / P-J, -H etc.
Features
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The device has independent electrical parameter calibration function, is calibrated with a high-grade electrical standard meter.
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Exciter has strong output capability, effective excitation power of 500VA, maximum magnetization field of 10KA/m.
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Support defaulting Bm and Hm for progressive reduction demagnetization.
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Full frequency range testing with high accuracy and repeatability.
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Equip with software which could calculate result, draw curve, and manage data.
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Modular design for update and maintenance.
Parameter
Parameter of magnetic measurement
| Parameter | Typical Test Point① | Accuracy (k=2) | Repeatability |
| Hm | 10 A/m～10 kA/m | 0.3% | 0.1% |
| Jm / Bm | B10 ②... B10000 | 0.3% | 0.1% |
| Ps | P0.1 ③... P1.9 ( P1.7 ) | 0.5% | 0.2% |
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Test condition:( 23 ± 5 )℃,Epstein frame method. Need sample demagnetization before test.
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Loading way and position of sample may cause 1%～2% error.
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Remarks:
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Test points are only for reference. Actual results (Hm, Jm / Bm, Ps etc. ) are related to sample materials, testing frequency, testing current, load voltage.
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B10 is the flux density while H = 10 A/m, and so on.
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P0.1 is the specific total loss while B = 0.1 T, P1.7 is the typical test point of non-oriented silicon steel.
Parameter of electrical measurement
| Output | Exciting Voltage | 0.1 Vpk～200 Vpk |
| Exciting Current | 0.5 mApk～15 Apk | |
| Frequency | 45 Hz～65 Hz | |
| Exciting Power | 0～500 VA | |
| measurement | Voltage Accuracy (k = 2) | 0.05%*RG④ |
| Current Accuracy (k = 2) | 0.05%*RG④ | |
| Power Accuracy (k = 2) | 0.1%*FS⑤ |
Remarks ④:RG is the range；⑤:FS = Voltage range × Current range
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