Temperature (0:00). Figure 5. Temperature (10:00). Figure 6. Temperature (20:00).

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... electrical data of the second stator core magnetization test is consistent with that of the first test (as shown in Table 2). For the first test overheat position, the whole process of real-time temperature monitoring is carried out in this test, relevant data are shown in Table 4 Figure 4 10:00 54.5 See Figure 5 20:00 63.5 See Figure 6 30:00 77.7 See Figure 7 45:00 90.2 See Figure 8 55:00 94.3 See Figure 9 Note: Initial temperature: Excitation side 27 It can be seen from Table 3, Table 4 and Figure 9,after processing, the maximum temperature between 32 and 33 grooves on excitation side (axial section 1 of core) is 94.3 ℃, temperature rise 66.8K, temperature difference 57.9K, compared with the first test, the maximum temperature, temperature rise and temperature difference all decreased to a certain extent, however, it still does not meet the relevant requirements of 7.1 and 7.2 of GB / T 20835-2016 guide for magnetization test of generator stator core. ...