Dynamic Reliability Analysis of Gear Transmission System of Wind Turbine in Consideration of Randomness of Loadings and Parameters

Table 2

Dynamic reliability of each component of planetary gear system with random parameters.

Influencing factors	Variation coefficient	Reliability of sun gear		Reliability of planetary gear		Reliability of internal gear		Reliability of large gears in medium-level speed		Reliability of small gears in medium-level speed		Reliability of large gears in high-level speed		Reliability of small gears in high-level speed
		Mean	RMS	Mean	RMS	Mean	RMS	Mean	RMS	Mean	RMS	Mean	RMS	Mean	RMS
𝜌	0	0.987387	0.007365	0.991021	0.007327	0.995148	0.007324	0.979066	0.007367	0.971572	0.007631	0.975882	0.007483	0.963271	0.007790
	0.05	0.980301	0.007366	0.984813	0.007327	0.991275	0.007324	0.978731	0.007369	0.965088	0.007638	0.971755	0.007489	0.950338	0.007795
	0.1	0.953633	0.007371	0.959300	0.007332	0.975381	0.007335	0.950280	0.007371	0.931572	0.007652	0.942372	0.007506	0.927510	0.007803
𝑒	0	0.962833	0.007802	0.970332	0.007789	0.983727	0.007756	0.958207	0.007803	0.936281	0.007817	0.952283	0.007804	0.932588	0.007832
	0.05	0.948471	0.007815	0.955783	0.007795	0.970115	0.007758	0.944342	0.007815	0.920175	0.007822	0.947502	0.007815	0.901392	0.007863
	0.1	0.911502	0.007843	0.927009	0.007804	0.943928	0.007781	0.909252	0.007845	0.883011	0.007827	0.897641	0.007844	0.877252	0.007904