Analysis on Vibration Influence Factors of Hybrid Permanent Magnet Governor Rotor

doi:10.12096/j.2096-4528.pgt.18246

Abstract

Abstract:

In order to study the effect of the conductor rotor of a hybrid PMG with radial and axial magnetic circuits on the vibration of the hybrid PMG, firstly, a rotor simulation model of the hybrid permanent magnet governor was established and the vibration reasons of the hybrid permanent magnet governor were analyzed. Secondly, based on Donnell's shell theory, a hybrid PMG conductor rotor model was established. Finally, finite element software was used to complete the vibration simulation analysis of the PMG conductor rotor. The results show that the higher the thickness difference between the axial and radial conductor rotors, the worse the vibration effect of the conductor rotors. The radial conductor rotor can suppress the vibration of the axial conductor rotor. The vibration effect of the conductor rotor is proportional to the thick-diameter ratio and inversely proportional to the length-diameter ratio.

Key words: hybrid permanent magnet governor, finite element modal analysis, Donnell shell theory

CLC Number:

TK01
TM38

Changsheng ZONG, Qingzhong GAO, Yutong HE, Bai YANG. Analysis on Vibration Influence Factors of Hybrid Permanent Magnet Governor Rotor[J]. Power Generation Technology, 2021, 42(3): 389-394.

Figures/Tables 6

References 13

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参数		数值
轴向参数	铜盘外径/mm	210
	铜盘厚度/mm	8
	永磁钢盘外径/mm	220
	永磁钢盘内径/mm	90
	永磁钢盘厚度/mm	10
	磁钢外径/mm	200
	磁钢内径/mm	110
	磁钢厚度/mm	20
	磁钢数量	6
轴向参数	铜环外径/mm	240
	铜环内径/mm	224
	铜环厚度/mm	8
	铜环轴向长度/mm	35
	永磁钢环外径/mm	188
	永磁钢环厚度/mm	15
	磁钢环外径/mm	218
	磁钢环内径/mm	188
	磁钢环厚度/mm	15
	磁钢数量	12

参数		数值
轴向参数	铜盘外径/mm	210
	铜盘厚度/mm	8
	永磁钢盘外径/mm	220
	永磁钢盘内径/mm	90
	永磁钢盘厚度/mm	10
	磁钢外径/mm	200
	磁钢内径/mm	110
	磁钢厚度/mm	20
	磁钢数量	6
轴向参数	铜环外径/mm	240
	铜环内径/mm	224
	铜环厚度/mm	8
	铜环轴向长度/mm	35
	永磁钢环外径/mm	188
	永磁钢环厚度/mm	15
	磁钢环外径/mm	218
	磁钢环内径/mm	188
	磁钢环厚度/mm	15
	磁钢数量	12

铜环/mm	铜盘/mm	x方向系数	s方向系数	z方向系数
8	8	3.127 6×10^-9	1.401 2×10^-7	3.705 7×10^-8
10	10	3.879 6×10^-9	3.190 2×10^-7	1.742 9×10^-6
12	12	4.256 3×10^-9	0.475 28	0.001 1×10^-4
12	8	8.784 9×10^-9	0.443 48	9.5 318×10^-2
8	12	3.893 5×10^-9	2.683 1×10^-8	3.986 6×10^-7
10	8	2.601 2×10^-9	8.744×10^-7	8.253 5×10^-8
8	10	3.348 5×10^-8	2.672 4×10^-7	1.090 8×10^-8
10	12	4.069 7×10^-9	4.846 3×10^-7	5.545 5×10^-6
12	10	5.177 5×10^-9	0.284 78	0.021 563

铜环/mm	铜盘/mm	x方向系数	s方向系数	z方向系数
8	8	3.127 6×10^-9	1.401 2×10^-7	3.705 7×10^-8
10	10	3.879 6×10^-9	3.190 2×10^-7	1.742 9×10^-6
12	12	4.256 3×10^-9	0.475 28	0.001 1×10^-4
12	8	8.784 9×10^-9	0.443 48	9.5 318×10^-2
8	12	3.893 5×10^-9	2.683 1×10^-8	3.986 6×10^-7
10	8	2.601 2×10^-9	8.744×10^-7	8.253 5×10^-8
8	10	3.348 5×10^-8	2.672 4×10^-7	1.090 8×10^-8
10	12	4.069 7×10^-9	4.846 3×10^-7	5.545 5×10^-6
12	10	5.177 5×10^-9	0.284 78	0.021 563

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