A New 3D Method for Reactor Core Vibration Based on Silicon Steel Lamination Rules and Application in UHV Shunt Reactors

Table 1

The mapping between the two coordinate systems.

	Part	RD	TD	LD
Large oil-immersed shunt reactors	Core disc	z-axis	Vertical to radial and z-axis	Radial
	Top and bottom yokes	y-axis	z-axis	x-axis
	Side yokes	z-axis	y-axis	x-axis
Small dry reactors	Core discs	y-axis	x-axis	z-axis
	Yokes	x-axis	y-axis	z-axis