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TD8510 Testing System for Magnetiec Properties of Silicon Steel Sheets

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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

  • GB/T 3655-2008

  • GB/T 13789-2008

  • IEC 60404-2

  • IEC 60404-3


Application

  • Epstein frame method: measuring 30 mm*(300 ~ 320) mm sheet

  • Single sheet method: measuring 500 mm*500 mm sheet

  • Winding method:measuring ring type, U type, CD type iron core.

  • measuring Hm, Bm, Jm, Ps, Ss, μa.

  • Drawing hysteresis loop, P-H / P-J, μ-H etc.

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Features

  • The device has independent electrical parameter calibration function, is calibrated with a high-grade electrical standard meter.

  • Exciter has strong output capability, effective excitation power of 500VA, maximum magnetization field of 10KA/m.

  • Support defaulting Bm and Hm for progressive reduction demagnetization.

  • Full frequency range testing with high accuracy and repeatability.

  • Equip with software which could calculate result, draw curve, and manage data.

  • Modular design for update and maintenance.

Parameter


Parameter of magnetic measurement

Parameter

Typical Test Point

Accuracy (k=2)

Repeatability

Hm

10 A/m10 kA/m

0.3%

0.1%

Jm / Bm

B10 ... B10000

0.3%

0.1%

Ps

P0.1 ... P1.9 ( P1.7   )

0.5%

0.2%

  • Test condition:( 23 ± 5 )℃,Epstein frame method. Need sample demagnetization before test.

  • Loading way and position of sample may cause 1%~2% error.

  • Remarks:

  1. Test points are only for reference. Actual results (Hm, Jm / Bm, Ps etc. ) are related to sample materials, testing frequency, testing current, load voltage.

  2. B10 is the flux density while H = 10 A/m, and so on.

  3. 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%*RG

Current Accuracy (k = 2)

0.05%*RG

Power Accuracy (k = 2)

0.1%*FS

Remarks ④:RG is the range;⑤:FS = Voltage range × Current range



Automatic Software


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Main Interface

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Hysteresis Loop

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Multipoint Test Result

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Ps-Bm Curve

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Ps-Hm Curve

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μm-Hm Curve


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