Extras din proiect
Tema de proiectare:
Motor asincron cu datele:
Pn¬=90KW
2p=2
Un=400V
fn=50Hz
®n=95.1%
cosÆn=0.9
Ip=7.4In
Mp=2.3Mn
Mk=2.9Mn
-clasa de izolatie F iar temperaturile admisibile vor fi cele pentru clasa B.
Parametrii principali
Pn=90.000000; % kW rated Power
Vn=400.000000; % V rated line Voltage
fn=50.000000; %Hz Rated frequency
poles=2.000000; % numbers of poles
nb=3000.000000; % rpm rated synchronous speed
Torq=286.478898; %Nm Rated Torque
In=151.034180; %A Rated Current
etan=0.929104; % Rated efficiency
cosphin=0.925726 % Rated power factor
Mmax=956.097015; %Nm Peak Torque
Mp=401.52 %Nm Critical Torque
Ip=1101.06 %A Start Current
Gabarit:
D=60 C=168
GA=64 HD=590
F=18 K=22
E=140 H=250
Lmax=872 M=500
A=406 N=450
B=311 P=550
B’=349 S=19
”T=60.18
Tiparirea fisierului cu rezultate
% Parameters of Electrical machine
% This is a results file generated by e7_or.m using save_par.m
% Generated at: 18-May-2004 17:12:06
% Rated parameters
Pn=90.000000; % kW rated Power
nb=3000.000000; % rpm rated synchronous (base) speed
Vn=400.000000; % V rated line Voltage
m=3.000000; % Phase number
conex='y'; % Stator windings connections
poles=2.000000; % numbers of poles
rpos='i'; % rotor position: i -inner rotor, o - outer rotor
rwkind='s'; % kind of rotor windings: s - shortcircuit cage
designAs='m'; % Design as: m-motor, g-generator
Vfn=230.940108; %V
In=151.034180; %A Rated Current
fn=50.000000; %Hz Rated frequency
Torq=286.478898; %Nm Rated Torque
Mmax=956.097015; %Nm Peak Torque
nn=2928.689650; %rpm Rated speed
nslip=0.023770; % Rated slip
kslip=0.195112; % critical slip
rJ=0.477905; %kg*m^2 Inertial moment of rotor
Tmn=0.511602; %s Mechanical time constant (rated tork)
Tmk=0.157032; %s Mechanical time constant (peak torq)
P1n=96.867537; %kW Rated Electric power
etan=0.929104; % Rated efficiency
cosphin=0.925726 % Rated power factor
etamax=0.940238; % Maximum of efficiency
cosphimax=0.926577 % Maximum of power factor
lcpertau=0.800000; % length per pole tau (for start design)
sDeltaT=100.000000; %C Temperature rise in stator winding
rDeltaT=140.000000; %C Temperature rise in rotor winding
BoltHoles =1.000000; % Factor to allow for bolt holes in stator core
FW = 450.000000; %W Friction and windage loss at full load speed
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Conținut arhivă zip
- Proiect Masini Electrice - Motor Asincron.doc