H~ thong k[Ch truyen diing thuy hre vii khi nen

I, R2=LR 4, Nhu v~y mQt cau can bang la cau co:

b) Irllyen d?!118 hoi m.le giao IIlum·banil con rang III&ng

2.4.2. H~ thong k[Ch truyen diing thuy hre vii khi nen

2.4.2.1. Chii'c

nang

luc

Ciie h¢ th6ng !ruytll dQng

lhuy

de

di~u chinh h!c khi sir dl,lng lu6ng chal long/khi nen. II~ th6ng kich (fuyen dQng

thuy It,rc va khl nen c6 kef

cUll

de

dieu khien cae Ihaoh pMn dieu khi~n cu6i, co thli Slr dl,lng M k,ch h0<.tt C;:lc van Ian va cae thiet b, dieu khilin cOng sual eao khac. Thuemg Ihict b, di~u khic"n khf nen yeu cUu lin hi~u

ap

20

dl'jng d~ng nay la khii nang m!n cua khi. H¢ 11l1i/lg tJlU~; '!/t. co the

sa

Hlnh 2,36 th~ hi~n nguyen 11 cua b¢ ehlly~n d6i dong di~n Ihanh rip SUitt. Thiet bi nay c6 th~ duqe Sl{ dl,!ng de bien doi dong di~n- dall fa khoang 4 den 20mA tll: ml'jt bl'j dieu khi~n thanh mQt ap suat thu)' l'!c 20 de'n lOOkPa

M

v!

M

Dong diM dau vao

~N'm'him

.~ _{- :h',"}

-Jr

III

Hlnh2.36: Chl/yill ddi dong di¢1I Ilulnh tip SIlI]'1

Thuem.g sa do thuy I,!c va khi nen thuang duqe the hi¢n duai d<:tng m<;leh nhu ml'jt m'.lch di~n. Hinh 2.37 the hi¢n mQt ml.lch CC1 sa cua h~ thuy l,!C va co the chia ra lhanh: phfin cap ngu6n va phan truy€n dQng, Thea quan ditm CO khi truyen thong thi h~ thong thuy ll,fe chuyin deli va truyen, chuyen life cd - dau vao thanh ll!c eua dong chat long-dao ra. Dieu flay dUde thl!e hi¢n bai bom chuyen deli dau vao (toe di) va momen quay eua tr~c roto) thanh nang IUQ'I1g d<)ng du6i d~ng dong chay. Lue dau vao, tuc nang luc:mg cd duqe chlly~n deli thanh nang lUQ'I1g d¢ng cua dong chilt long thl nang luqng dau vao da co the duqc truycn den bat cu vj tri n~lO trang may, nai yeu cau ll!c nha h~ dlIOng 60g dan de'n diem do, Chat long dlIqc philn phoi ~cn dc diem nay nha mQt so' van dieu chinh toc dQ, up suat va hlICmg thuy il!c phil hqp thea cac yeu du chue nang cua may. T<;Ii nhililg diem mfY, nang llIqng d9ng dong chay co the' tLrng philn

ho;)e loan bQ dlfqe bien d6i I<).i Ih(mh nang iuqng co

lx1i

Ihuy Il,le (11,10 mQI ehuy6n dqng tjoh lien hOi)e quay Iron). ho~c Pl9t philn co the

b,