泵站变速节能的优化计算

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W2E8AOμcAl3δ°∞E∞Et9943 10090f. 1aAA131x70A1x>80e 0AI t+NOE2@A0μCA138°eEc2+994N = 345.122+ 1 338.806Q - 484.868Q2TiNsi. tA0e C>UtaE∪ψμ%UuAE8.ETEia .A: lanDu998"3$$wx.xUxQ.TAET No= I 600 kWAOODSAE 7m.o=93%i 5 cupe, ADEDxRe °∞E- wA _0Aa h。EIuAQO iE8+999OEOEDDxEAT -0160。+ >uxeμAxeA|2iEy s, V0+f 1if0≌CσμA4AO4"320中国煤化工OEDExOA+Ai Qc =5.0 m /s£66 H = 70 mfp￥i>E@AεAUAxDjE士t[H.CNMHGE0x+OBjvoheLY 0UAu2AEAD£29 EeEzBEi £0U%h1i1。+>1xeuAxeA!2TEy s;r"E0, ,aEOEUL2000 - 02 - 220>uxeta9A iS"s/mrO4. 8203.7503.0063.945 4 . 556f"+4TAta/- E0AN4120Optimizing Calculation of Energy Saving forPumping Stations with Variable SpeedsZhou Longcai'Zhao Tianyu2£UAbstract£Y For providing decision- making of optimum speed for en-ergy saving with variable speeds for pumping stations£ rand consideringthat the pump unit can regulate its speed with stepless regulatingfE tak-ing minimum unit water energy consumption as objective under certaindischargeE an optimizing calculation model for that the multiple units ofa pumping station operate with variable speeds meanwhilef-is estab-lished. And according to the objective function which takes its extremevalue£- then forming a constant quantity which equals the reciprocal ofthe mean fficiency of the pumping stationE -this special significance£-the numerical lorithm is studied!fUKey worl中国煤化工，saving with variable speedsoptir:TYHCNMHGAuthors' Addresses 1. Wuhan University£ -Wuhan 430072f-China£》2. Qingtai Water Works£- fanya City of Hainan ProvinceL China