Tema de proiectare: Sa se proiecteze un motor asincron trifazat cu datele de mai jos, avand clasa de izolatie F si temperatura pentru clasa B. Pn=15000 W 2p=6 Un=400V f=50Hz η=78.2 cosφ=0.69 In=41A Ip=184.5A Ip/In=4.5 nn=148 Mp/Mn= 1.9 Mmax/Mn=2.3 lg Js JR Bagsp elsp Cosφn ηn Mp/Mn Mmax/Mn Ip/In 0.7 1.7 2.4 0.7 20 0.681 0.854 1.22 1.866 4.423 0.6 1.6 2.3 0.6 20 0.7 0.87 0.576 1.01 4.944 0.6 1.6 2.1 0.5 18 0.723 0.909 1.65 2.32 3.654 0.4 1.5 1.5 0.4 21 -- -- 3.15 3.536 -- 0.4 1.6 1.7 0.5 22 0.77 0.91 2.475 3.21 5.976 0.3 1.1 1.3 0.5 22 0.8 0.916 2.321 3.112 6.654 0.3 0.8 1.0 0.6 20 0.69 0.782 1.943 2.355 4.534 %filename m1.m %input parameter for induction machine design % %Used in idesign.m % %Lucian Tutelea Aug. 1999 Pn=15; %kW, rated Power nb=1000; %rpm, rated (base) sped nmax=3*nb; Vn=400; %V, rated line Votage m=3; % Phae number conex='y'; % Stator windings conections % y for star and d for poligon conection poles=2; % numbers of poles etaSpec=0.782; % rated eficiency cosPhiSpec=0.69; % rated power factor rpos='i'; % rotor position: i -iner rotor, o - outer rotor rwkind='s'; % kind of rotor windings: s - shortchircuit designAs='m'; % Design as: m-motor, g-generator lg=0.3; %mm length of airgap; % Stator slots - Primary dimensions sSlotShape = ['b']; % Stator slot shape sMs=2.6; % Mouth of stator slot mm. sh4=.8; % height of slot mouth mm. sAlpha=22.5; % degrees sh2=0; % in this case as winding fills slot %Rotor slots - Primary dimensions %rSlotSkew=27; % Rotor skew = 1/rSlotSkew of rotor periphery rSlotShape= ['b']; % Rotor slot shape rMs=1.5; % Mouth of rotor slot mm. rh1=0.5; %charge of materials Js=0.8; %A/mm^2 Stator current density Jr=1.0; %A/mm^2 Rotor current density Jendring=4; %A/mm^2 Current denssity in rotor end ring of rotor cage elsp=20; %kA/m Specificate electric load sBToothsp=2; %T Specificate magnetic inductin in stator Tooth sBYokesp=1.7; %T Specificate magnetic inductin in stator yoke rBToothsp=2.1; %T Specificate magnetic inductin in rotor Tooth rBYokesp=2.1; %T Specificate magnetic inductin in rotor yoke Bagsp=0.6; %T Specificate magnetic inductin in air gap sSlotFills=0.48;% Specificate stator sllot fill
Ne pare rau, pe moment serviciile de acces la documente sunt suspendate.
