Optimal Operation of a Single Unit with an Adjustable Blade in an Interbasin Water Transfer Pumping Station Based on Successive Approximation Discretization for Blade Angle

Table 3

Optimal approach scheme of blade angle under typical head and working load.

Daily average head (m)	Water pumping load	Successive approximation number	Discrete step of blade angle (°)	Optimal approach scheme of blade angle in each divide time period (period 1–9)
3.13	110	1	2	0	0	4	4	4	2	4	4	4
		2	1	1	1	3	4	4	2	2	4	4
		3	0.5	0.5	1	4	4	4	1	3	4	4
4.13	105	1	2	0	0	2	2	2	0	0	2	2
		2	1	−1	0	2	2	2	0	0	2	2
		3	0.5	0	0	1.5	2	2	−0.5	0	2	2
4.53	90	1	1	Shutdown	−3	0	0	0	−2	−1	0	0
		2	0.5	Shutdown	−4	0	0	0	−1.5	0	0	0