motorsincronsinteza stator rotor
TRANSCRIPT
-
8/10/2019 Motorsincronsinteza Stator Rotor
1/16
SINTEZA 2 (Stator+Rotor) %exemplu de calcul
'Date nominale si de catalog'
Pn=52000 %puterea mecanica la ax, in W
p=2 %nr perechi poli
f1n=50cosfi1n=0. %capaciti!
fi1n=acos"cosfi1n#% fi1n $0,pt cosfin capaciti!
%fi1n=acos"cosfi1n#% fi1n &0,pt cosfin inducti!
sinfi1n=sin"fi1n#
rann=.1
efn=cosfi1n(rann
)m=2 % )m=)m*)n, se diminuea+a daca ddo&0
n=Pn*"rann(cosfi1n#
sumapn="1rann#(cosfi1n
prefn=sumapn*- %pierderi de referinta pt p1n=pen=pfen/pmecn
=250 %gaarit,in mm
'Date nominale calculate, din triunghiul curentilor'
mm=)m(efn
%ienc=mm % curent de excitatie,in u.r., nominal,din triunghiul simplificat
alcurentilor
ienc=)m("1/efn#*2 %curent de excitatie nominal,corectat
imnc=srt"ienc32cosfi1n32#sinfi1n %curent de magneti+are,!e+i diagrama
curentilor
xmnc=1*imnc % estimare reactanta de magneti+are
tetanc=atan"cosfi1n*"imnc/sinfi1n## %unghi intern nominal,in radiani
tetagnc=tetanc(140*pi
'parametri schemei echi!alente'
p1nc=sumapn*- % ipote+a pierderilor uniform distriuite
ponc=sumapnp1nc % ponc=pmec/pfe1/pen =const
r1n=p1nc
xs1n=0.1(xmnc %se estimea+a reactanta de scapari
+1n=r1n/(xs1n
u1+=1 %origine de fa+a
i1+c=exp"(fi1n#
um+=u1++1n(i1+c
umc=as"um+#
xmn=umc*imnc %reactanta de magneti+are,corectata
r6n=umc32*ponc %re+istenta echi!alenta pierderilor constante
+mn=(xmn(r6n*"r6n/(xmn#
'77 789:;
-
8/10/2019 Motorsincronsinteza Stator Rotor
2/16
hfe=A15- 144 252 -B0 5B0 1200 2400 B000 10>00 1?200 2?000C %int. c.
magnetic,*m
ppfet=A2.B -.1 -.? >.> 5.1 5. B.B ?.5 4.> .> 10.>C% W*@g ,tael,tola 0.5 mm
fet=A> 5 ? 1- 22 >B 100 11 ->1 5?BC %0
@fo=1.5
@f1"n#=@fo/n(d@ %factorul de geometrie stator
E"n#="@f1"n#1#*@f1"n#3-%factorul de compatiilitate &>*2?
sp"n#=spo(@f1"n# %!ectorul Ponting
ap"n#=e*sp"n# %suprafata Ponting
%dimensiuni principale
a"n#=ap"n#*pi % a"n#=d"n#(l"n#=ap"n#*pi
"n#=2(p("@f1"n#1#*"pi(af1# % "n#=d"n#*l"n#
d"n#=srt"a"n#("n##%diametrul interior stator
l"n#=srt"a"n#*"n##%lungimea acti!a stator
!1"n#=pi(f1n(d"n#*p%!ite+a periferica a campului in!artitor
tau"n#=pi(d"n#*"2(p# %pasul polar
plot"@f1,d,@f1,l# %dimensiunile principale ale masinii
% solicitari electromagnetice
es"n#=!1"n#(d*srt"2# %intensitatea campului electric indus,prin
rotatie,!aloare efecti!a,"*m#
a1"n#=sp"n#*es"n# % pan+a de curent,a1=s!aloare efecti!a, "
-
8/10/2019 Motorsincronsinteza Stator Rotor
3/16
h1"n#=@1(d"n#*"2(p#%inaltime ug stator
de"n#=d"n#/2(hc1"n#/2(h1"n# %diametru exterior,tola stator
+1m"n#=d*"@i+fe1("@+1/hc1"n#*d"n### %inductia de calcul,medie, la 1*2 dinte
trape+oidal
%+1m"n#=+1 %dinte drept
den"n#=Den(n*n %diametru impus "orientati!#
plot"@f1,hc1,'',@f1,h1,'.'#
1.5 2 2.5 3 3.50.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
% Eig.2
plot"@f1,de,'',@f1,den,'x',@f1,d,'.',@f1,l,'('#%re+ulta solutie @f1x pt de=den
"impus#,aici @f1=2.5
1.5 2 2.5 3 3.5
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.55
%Eig.-
%consumuri specifice materiale acti!e stator
1.5 2 2.5 3 3.51.5
2
2.5
3
3.5
4
4.5
5x 10
-3
-
8/10/2019 Motorsincronsinteza Stator Rotor
4/16
% Eig >
ccu1"n#=dcu1(p1n*"ro1(1"n#32# %consum specific de cupru "@g*
-
8/10/2019 Motorsincronsinteza Stator Rotor
5/16
gamae=2*-%pondere +ona oinata"crestata#in rotor
alfat=gamae %poli inecati
%inductii magnetice impuse
2=1.B % inductia in ugul rotor,reglea+a ddo$0
+2=1.2 % inductia minima"spre intrefier#in dinte trape+oidal
@2=d*"2(@i+fe2#
@+2o=d*"+2(@i+fe2#%date infasurare de excitatie
ro2=ro1dcu2=dcu1xcu2=xcu1
af2=pi*- %Ff2*tau,factorul +onei frontale,inf.excitatie poli inecati
@u2=0.? %factor de umplere crestatura rotor
@p2=0.? %cota alocata pierderilor oule in exc,"0.50.?# din dpo"parametru
regla pt ddo$0
p2"n#=@p2(dpo"n# %pierderi Joule,in u.r., alocate in excitatie "c.c.#
pm!"n#=dpo"n#p2"n# %pierderi mecanice si !entilatie,in u.r.
% dimensiuni principale rotor
@f2"n#=1/"af2*af1#("@f1"n#1#%factorul mediu,al +onei frontale ,infas. de
excitatie
G2t"n#=p2"n#(@s(sp"n#*@f2"n# %flux termic unitar,infas. de excitatie
G1tn"n#=G1t(n*n plot"@f1,G1tn,'.',@f1,G2t,''#%figB
1.5 2 2.5 3 3.52400
2500
2600
2700
2800
2900
3000
3100
3200
% solicitari electromagnetice rotor
@f=">*pi#(sin"alfat(pi*2#*"alfat(pi*2#
@ae="2(srt"2#*pi#(@ad(@61*@f a2"n#=@ae(ien(a1"n# %pan+a de curent in rotor "excitatie#
2"n#=G2t"n#*"ro2(a2"n## %densitatea de curent in infas. de excitatie
%dimensiuni trans!ersale rotor"de re!a+ut hc2 pt masina
%a#.crestatura dreptunghiulara ,dinte trape+oidal
hc2"n#=a2"n#*"alfat(@u2("1@+2o#(2"n## %inaltime crest dreapta ,rotor
"oinat pe 2*- din periferie
h2"n#=@2(d"n#*"2(p#%inaltime ug rotor
di"n#=d"n#2(hc2"n#2(h2"n#%diametru interior"magnetic#rotor
ddo"n#="di"n#do#*2 %$0 conditie de reali+ailitate"se pot scade )m si @p2#
plot"@f1,ddo,'',@f1,hc2,'.',@f1,h2,'o'# %ddo$0,conditie de reali+ailitate
-
8/10/2019 Motorsincronsinteza Stator Rotor
6/16
1.5 2 2.5 3 3.5-0.02
0
0.02
0.04
0.06
0.08
0.1
0.12
%Eig.?
%os. consumul si costul specific de materiale acti!e in rotor
ccu2"n#="dcu2(p2"n#*"ro2(2"n#32## %consum specific cupru in exc.
@@2"n#=1"h2"n#*d"n##"2(hc2"n#*d"n##
cfe2"n#=dfe2(@@2"n#(h2"n#*"@s(sp"n##
cfe+2"n#=dfe2("@+2ohc2"n#*d"n##(hc2"n#*"@s(sp"n##%ipote+a crestarii
uniforme a rotorului
cfe2"n#="cfe2"n#/cfe+2"n##/dfe2(pi("di"n#32do32#(l"n#*">(n#
cm2"n#=ccu2"n#/cfe2"n#
@m2"n#="ccu2"n#(xcu2/cfe2"n#(xfe2#
cfe"n#=cfe1"n#/cfe2"n#
ccu"n#=ccu1"n#/ccu2"n#
cm"n#=ccu"n#/cfe"n#
@m"n#=@m1"n#/@m2"n#
plot"@f1,cm,'',@f1,@m,'.'#
-
8/10/2019 Motorsincronsinteza Stator Rotor
7/16
1.5 2 2.5 3 3.53.5
4
4.5
5
5.5
6
6.5
7x 10
-3
%fig.
%modulul IK5 pierderile de putere reacti!a in rotor,fe2
fe+2"n#=interp1"fe,fet,+2m"n## %
-
8/10/2019 Motorsincronsinteza Stator Rotor
8/16
1.5 2 2.5 3 3.51.8
2
2.2
2.4
2.6
2.8
3
3.2
3.4x 10
-3
% fig.11
grid
end
'I:;MF9
-
8/10/2019 Motorsincronsinteza Stator Rotor
9/16
'dimensiuni principale'
Fx=l"nx#
Dx=d"nx#
hc1x=hc1"nx#
h1x=h1"nx#
Dex=de"nx#
epsiDex="DexDen#*Den %aatere fata de De impus ' Eig. desen,-D, mie+ feromagnetic stator"fara crestaturi#'
'#performante economice stator'
ccu1x=ccu1"nx#
cfe1x=cfe1"nx#
cfe+1x=cfe+1"nx#
cfe1x=cfe1"nx#
cm1x=cm1"nx#
@m1x=@m1"nx#
'K. IN9NI'
'solicitari electromagnetice'
@f2x=@f2"nx# %factor de geometrie rotor
p2x=p2"nx# %pierderi oule in excitatie"puterea de excitatie#
pm!x=pm!"nx# %pierderi mecanice si !entilatie
G2tx=G2t"nx# %flux termic ,oina rotor
-
8/10/2019 Motorsincronsinteza Stator Rotor
10/16
2
fi1nx =
25.4>1
cosfi1nx =
0.000
rannx =
0.100
)nx =
--.10>2
)mx =
2
Dex =
0.>250
Gt1x =
-000
sumapnx =
0.0410
prefx =
0.02?0
ans =
parametri schemei echi!alente in9
r1x =
0.02?0
xsix =
0.04?-
-
8/10/2019 Motorsincronsinteza Stator Rotor
11/16
r6x =
1.14->
xmx =
0.440
ienx =
1.410
imnx =
1.1>>
umnx =
1.01?4
ans =
NFM97< NP97)2
J1 =
5.2>-e/00B
ans =
dimensiuni principale
Fx =
0.2>>B
Dx =
0.2?>
hc1x =
0.021?
h1x =
0.0>1-
Dex =
0.>2-5
-
8/10/2019 Motorsincronsinteza Stator Rotor
13/16
epsiDex =
0.00->
Eig. desen,-D, mie+ feromagnetic stator"fara crestaturi#
#performante economice stator
ccu1x =
-.5522e00>
cfe1x =
0.001-
cfe+1x =
-.02?e00>
cfe1x =
0.001B
cm1x =
0.0020
@m1x =
-
8/10/2019 Motorsincronsinteza Stator Rotor
14/16
0.00->
ans =
K. IN9NI
ans =
solicitari electromagnetice
@f2x =
2
p2x =
0.020>
pm!x =
0.020>
G2tx =
2.4-54e/00-
e/00>
J2 =
-.5--Be/00B
ans =
dimensiuni trans!ersale rotor
deltacx =
0.00-2
d2cx =
0.210
hc2x =
-
8/10/2019 Motorsincronsinteza Stator Rotor
15/16
0.0B?4
h2x =
0.0-5
dix =
0.0?B-
ddox =
0.00-4
@miux =
1.21
ans =
Eig.,desen,-D,mie+ feromagnetic rotor "fara crestaturi#
ans =
performante economice rotor
ccu2x =
5.1B2e00>
cfe2x =
0.001-
cm2x =
-
8/10/2019 Motorsincronsinteza Stator Rotor
16/16
0.001
@m2x =
0.00-1
ans =
performante economice stator/rotor
cmx =
0.00-
@mx =
0.005?
$$
Nser!atiiH
se !or e!identia principalele sec!ente de calcul ale algoritmului Ponting
pentru stator si rotor "!e+i semnificatia marimilor si relatiile de calcul#,cu
e!identierea marimilor adoptate"ex.date de material,factori de umplere,etc.#,
respecti! calculate
se !or comenta graficele otinute,axe de coordonate,semnificatia
marimilor,unitati de masura,etc.
se !a ustifica alegerea solutiei optime statorrotor "@f1opt#,a!and in
!edere conditiile de reali+ailitate"ex. ddo po+iti!, @miun inferior 1.-1.> #si
criteriile de optimi+areH De=Den, respecti!,cm,sau @m =min.
se !a completa setul de !alori optimale cu semnificatia "denumirea#
marimii adoptate, unitati de masura,etc
se !or completa dimensiunile schita stator ,rotor