GBT 2900-45

GB/T2900.451996GB2900.4583ElectrotechnicalterminologyHydraulicturbinestoragepumpandpump-turbine1996-05-201997-01-01IEC4()104A(1993)IEC41(1991)IEC193(1965)IEC609(1978)1()22.1hydraulicmachinery2.2hydraulicturbine2.3storagepump2.4reversibleturbinepump-turbine2.5directionofrotation2.6unit2.7inletmeasuringsectionofturbine(1A1B1C1)Hn=(hz1hz2)(1a)+(v21-v22)/2g1AHn=(z1+ahz2)(1a)+(v21-v22)/2g+(p∇/wg)11BHn=(z1+ahz2)(1a)+(v21-v22)/2g+(p∇/wg)11C2.8outletmeasuringsectionofturbine(1A1B1C21D3)A1w21aI21n)/(2)1)((gpgvzazHρε∇++−−+=BHn=(Q/Q)(z1+a-z2)(1-a)+(Q/Q)(z1+a-z2)(1-a)+v21/2g+(p∇/wg)1Q=Q+Q1D2.9inletmeasuringsectionofstoragepump(1E1F2)H=(z1+ahz2)(1a)+(v21-v22)/2g(p∇/wg)11EH=(z1+a1-z2-a2)(1-a)+(v21-v22)/2g+(p∇/w)1-(p∇/w)2/g1F2.10outletmeasuringsectionofstoragepump(1G1)(1E1F1)H=(hz1-hz2)(1-a)+(v21-v22)/2g1G2.11highpressuremeasuringsection(2)22.12lowpressuremeasuringsection(2)2.13verticalhorizontalandinclinedunit2.14regulatedhydraulicmachinery2.15non-regulatedhydraulicmachinery2.16mainvalve()33.13.1.1reactionturbine3.1.2Francisturbinemixed-flowturbine3.1.3axialturbine3.1.4Kaplanturbineaxial-flowadjustablebladpropellerturbine3.1.5Thomaturbine3.1.6propellerturbine()3.1.7tubularturbinethroughflowturbine(S)3.1.8bulbturbine(3)33.1.9pitturbine43.1.10straightflowturbinerim-generatorunit(4)3.1.11(S)tubularturbine(S-typeturbine)S(5)53.1.12diagonalturbine3.1.13Deriazturbine3.1.14fixedbladeofDeriazturbine()3.1.15impulsturbineactionturbine3.1.16Peltonturbinescoopturbine(6)63.1.17inclinedjetturbine(7)73.1.18cross-flowturbine(8)83.23.2.1()centrifugalstoragepumpmixed-flowstoragepump(9)93.2.2propellerstoragepumpaxialstoragepump(10)103.2.3diagonalstoragepump(11)113.2.4multi-stagestoragepump3.3()3.3.1singalstagepump-turbine3.3.2multi-stagepump-turbine3.43.4.1butterflyvalve(12A)3.4.2biplanebutterflyvalvethroughflowbutterflyvalve(12B)3.4.3cylindricalvalveringgate(12C)3.4.4rotaryvalvesphericalvalve(12D)3.4.5mushroomvalvehollow-conevalvehowell-Bungervalve(12E)3.4.6needlevalve(12F)123.4.7by-passvalve3.4.8vacuumbreakvalve44.14.1.1embeddedcomponent4.1.2(turbine)flume4.1.3spiralcase4.1.4stayring4.1.5stayvane4.1.6spiralcasenose4.1.7foundationringdischargering4.1.8drafttube4.1.9conicaldrafttube4.1.10elbowdrafttube4.1.11drafttubecone4.1.12drafttubeelbow4.1.13drafttubeoutletpart4.1.14drafttubepier4.1.15drafttubeliner4.1.16pitliner4.1.17distributor()4.1.18headcovertopcover4.1.19bottomringbottomcover4.1.20guidevanewicketgate()4.1.21regulatingringoperatingring4.1.22guidevaneleverwicketgatelever4.1.23splitkey4.1.24guidevanelinkwicketgatelink4.1.25guidevaneoverloadprotectiondevice4.1.26shearpin4.1.27frictiondevice4.1.28guidevanebearing4.1.29guidevanethrustbearing4.1.30guidevanestemseal4.1.31guidevaneendseal4.1.32guidevaneseal4.1.33facingplateswearplates4.1.34guidevanestopblock4.1.35guidevaneservomotor4.1.36individualguidevaneservomotor4.1.37pushandpullrodconnectingrod4.1.38regulatingshaft4.1.39balancepipe4.1.40rotatingcomponent4.1.41runner()4.1.42blade()4.1.43crown4.1.44band4.1.45runnercone4.1.46runnerseal4.1.47runnerwearingring4.1.48stationarywearingring4.1.49decompressionplate4.1.50mainshaft4.1.51guidebearing4.1.52guidebearingcollar4.1.53guidebearingshoe4.1.54guidebearinghousing4.1.55mainshaftseal4.1.56standstillseal4.1.57couplingbolt4.24.2.1runnerchamber4.2.2()innerheadcoverinnertopcover4.2.3runnerhub4.2.4mechanismofrunnerblade()4.2.5runnerbladetrunnion4.2.6rockerarm4.2.7link4.2.8crosshead4.2.9runnerbladeservomotor4.2.10combinationdevice4.2.11oilhead4.34.3.1outerguidering4.3.2innerguidering4.3.3bulb4.3.4bulbsupport4.44.4.1bucket4.4.2branchpipe4.4.3manifold4.4.4bifurcation4.4.5housing4.4.6nozzle4.4.7needle4.4.8jetdeflector4.4.9brakenozzle4.4.10needleservomotor4.54.5.1suctiontube4.5.2impeller()4.5.3impellerbladeimpellervane()4.5.4impellerbackshroud4.5.5impellerfrontshroud4.5.6spiralhousing4.5.7diffuser4.655.15.1.1specificenergyE=Ez+Ep+Ev(1)EJ/kgEzJ/kgEpJ/kgEvJ/kg5.1.2potentialenergyEz=gz(2)gm/s2zm5.1.3pressureenergyρpE=p(3)kg/m3pPa5.1.4velocityenergyEv=v2/2(4)vm/s5.25.2.1potentialheadHz=Ez/g=Z(5)Hzm5.2.2pressureheadHp=Ep/g=p/g(6)Hpm5.2.3velocityheadHv=Ev/g=v2/2g(7)Hvm5.2.4headH=Hz+Hp+Hv()Hm5.2.5grossheadHgm5.2.6netheadHnm5.2.7ratedheadHrm5.2.8designheadHdm5.2.9maximumminimumheadHmaxHminm5.2.10weightedaverageheadHwm5.2.11storagepumpheadHpm5.2.12no-dischargeheadofstoragepumpHp.om5.2.13maximumminimumheadofstoragepumpHp.maxHp.minm5.35.3.1turbinedischargeturbineflowrateQm3/s5.3.2storagepumpdischargestoragepumpflowrateQpm3/s5.3.3rateddischargeQrm3/s5.3.4no-loaddischargeofturbineQom3/s5.3.5maximumminmumstoragepumpdischargeQp.maxQp.minm3/s5.45.4.1ratedspeednrr/min5.4.2runawayspeedofturbinenrunr/min5.4.3reverserunawayspeedofstoragepumpnp.runr/min5.55.5.1()gaugepressurepPa5.5.2()atmosphericpressurepaPa5.5.3absolutepressurepabPa5.5.4vapourpressurepvaPa5.65.6.1turbineinputpowerPinkW5.6.2turbineoutputpowerPoutkW5.6.3ratedoutputpowerofturbinePrkW5.6.4storagepumpoutputpowerPp.outkW5.6.5storagepumpinputpowerPp.inkW5.6.6ratedinputpowerofstoragepumpPp.rkW5.6.7nodischargeinpu