Final a single [50,51]. For that reason, the annual emission including PEF CDEy.m and
Final 1 [50,51]. Thus, the annual emission like PEF CDEy.m along with the corresponding avoided CO2 emissions CDEy.3m were evaluated as the follows: CDEy.m = CDEy.m PEF. CDEy.3m = CDEy.3 – CDEy.m . (15) (16)where PEF = 2.two is the main power factor evaluated. A default PEF value of 2.5 ought to be applied in accordance with directive 2012/27/EU [50]. However, current studies indicated the should revise this element to 1.8.2 [52,53]. According to this, PEF = 2.2 was adopted in this study. six. Outcomes and Discussions Figure 4 shows the catalogue points of the pump head-flow characteristic calculated according to Equation (two) head-flow curves and reference handle curve for the two.2 kW pump as an instance. Table 4 shows the calculation benefits for the pump performances throughout the operating cycle. Table 5 shows the (��)-Jasmonic acid site Interpolated PDS efficiency at the pump operating points indicated in Figure 2 for the four power ratings deemed.Resveratrol analog 2 Biological Activity Mathematics 2021, 9, 2679 Mathematics 2021, 9, x FOR PEER REVIEW8 of 16 eight ofFigure four. Calculated head-flow curves the pump at 75, one hundred, and 110 flow and initial points of your Figure four. Calculated head-flow curves ofof the pump at 75, one hundred, and 110 flow and initial points from the 2.two kW pump, and reference handle curve. two.2 kW pump, and reference control curve. Table four. Performances of your pumps of diverse energy ratings during the operating cycle. Table 4. Performances of your pumps of diverse energy ratings in the course of the operating cycle.No. Pump No. ofof Pump No. of Load Point (i)1 1 (NB(NB 50-200/210, 50-200/210, 2.two kW) 2.2 kW)1 222 (NB 80-315/305, (NB 80-315/305, 15 kW) 15 kW)1 23 3 (NB 150-400/375, (NB 150-400/375, 75 kW) 75 kW)1 24 four (NB 250-500/445, (NB 250-500/445, 200 kW) 200 kW)1 2No. of Load 1 75 2 100 3 110 175 2 three 1 2 three Qi 100 110 75 100 110 Point, (i) 23.four 35.two 38.7 93.8 125.0 137.five 331.0 441.three 485.4 Qi , m3 /h QHi i, , m 7512.0 one hundred 110 75 one hundred 110 75 one hundred 110 13.7 14.four 25.4 29.0 30.5 39.four 45.0 47.2 -4 -5 a3 -0.0038 38.7 Qi, m2 /h 23.4 35.two 93.8 -5.5371 ten 137.5 125.0 331.0 -8.8848 10 485.four 441.three a1 0.066 0.0398 0.0318 H i , a0 m 12.0 13.7 25.four 29.0 30.5 39.four 45.0 47.two 16.27 14.4 33.18 48.83 0.195 0.116 0.051 a2k -0.0038 -5.5371 10-4 -8.8848 10-5 b six.855 14.5 22.49 a1 0.066 0.0398 0.0318 npump.i , rpm 1310 1450 1508 1310 1450 1508 1310 1450 1508 a0 33.18 48.83 npump.i , 90.3 16.27 100.0 104.0 90.3 100.0 104.0 90.three 100.0 104.0 pump .i , 68.9 0.195 69.8 69.5 75.9 76.8 76.3 82.9 84.four 84.1 k 0.116 0.051 Pmech.i , kW 1.25 1.88 2.18 eight.54 12.86 14.95 42.82 64.09 74.29 b 14.five 22.49 Pmech .i , 56.9 6.855 85.5 99.2 56.9 85.7 99.7 57.1 85.five 99.1 Tpump.irpm , N 9.18 1450 12.44 1508 13.87 1310 62.50 85.32 95.52 313.two 424.four 473.three npump.i, 1310 1450 1508 1310 1450 1508 npump.i, 90.three one hundred.0 104.0 90.3 one hundred.0 104.0 90.3 100.0 104.0 pump.i, 68.9 69.8 five.69.five 75.9 76.eight 76.three 82.9 84.4 84.1 Table Interpolated efficiencies of selected power drive systems. Pmech.i, kW 1.25 1.88 2.18 eight.54 12.86 14.95 42.82 64.09 74.29 Interpolated Motor Efficiency M.i.m , inside the Load Points Pmech.iType of Motor, , 56.9 85.5 99.two 56.9 85.7 99.7 57.1 85.five 99.1 m 2.2 kW 15 kW 75 kW IE Class 9.18 Tpump.i, N 12.44 13.87 62.50 85.32 95.52 313.two 424.four 473.1 1 two 3 SynRM, IE4 IM, IE4 IM, IE3 two 3 1 2 three 1 21 2 three 75 one hundred 110 639.four 852.5 937.eight 75 one hundred 110 52.six 60.1 63.1 -5 639.4-3.7879 10 937.8 852.5 0.286 52.six 60.1 63.1 63.00 0.0352 -3.7879 10-5 30.05 0.286 1310 1450 1508 63.00 90.3 100.0 104.0 79.6 81.5 81.two 0.0352 115.1 171.three 198.6 30.05 57.6.
