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 1
Summary of optimal operation results under typical operating conditions.
Daily average head (m)
Operation load (%)
Target TWPQ (104m3)
Successive approximation number
Actual TWPQ (m3)
MOC (RMB)
UMOC (RMB·10−4m−3)
3.13
100
315.5
1
3159592
25761.52
81.534
2
3159592
25761.52
81.534
3
3157493
25737.59
81.513
105
331.3
1
3318423
27455.71
82.737
2
3318655
27432.83
82.662
3
3316058
27394.42
82.611
110
347.1
1
3475580
30622.17
88.107
2
3474629
30529.6
87.864
3
3473636
30480.26
87.747
3.53
100
307.1
1
3076763
26962.46
87.633
2
3073519
26915.20
87.571
3
3073518
26905.19
87.539
105
322.4
1
3226322
28678.68
88.890
2
3226555
28660.30
88.826
3
3226555
28660.30
88.826
110
337.8
1
3382865
31977.66
94.528
2
3382865
31977.66
94.528
3
3382644
31962.37
94.489
4.13
100
293.5
1
2936932
28693.26
97.698
2
2936891
28677.15
97.645
3
2936844
28658.29
97.582
105
308.2
1
3092250
30704.30
99.294
2
3085541
30633.32
99.280
3
3084177
30601.35
99.220
4.53
90
255.3
1
2556365
25854.82
101.139
2
2554791
25810.26
101.027
A% load refers to A% of the TWPQ of the single pump unit operating at a designed blade angle of 0° and rated speed of 150 r/min for 24 h under the daily average head.
