using inverters to control ac motors_ bai bao hoi thao hut_nov 2003

Upload: hung-vu-xuan

Post on 05-Apr-2018

217 views

Category:

Documents


0 download

TRANSCRIPT

  • 7/31/2019 Using inverters to control AC motors_ Bai Bao Hoi Thao HUT_Nov 2003

    1/8

    5

    bh `bh jgb pb gv nmgb bh l gb }kew lmgv

    P\" Pzb _b Pmbm# N\" _ ]vb Mbh

    5" p b Pzkbh ll } bhmgq lbh bhmgq gl | `bh bh l gb pzvwb lmvwb bh

    lmk ll dw |b }vp c qm jgb" Nmg cq p dp bh l gb lmk dp lmvwb bh bk# lmbh pe lb lm pg ll pmbh | bm c lbh |vp# lk|# dkdfb# qmbh qmq gvlmbm pl """

    Mgb bew gl | `bh bh l gb bmgv bg lb bmgv cbh qm" Lm lb nmk |p| uve dp g } bhmgq lmbh pe lbh l pm pmw bhew bmbh jp mq c " Bmbh jpmq c l pm `k cg lmb qmbh b pmgp n# mkl `k cg b mbm nmbh bh lm "gb mbm bmp pzkbh gl cbh qm pzb d lmbh pe l pm nml qml l c | `bh

    bh l nmbh mq c" bh l gb nmg | `bh nmbh mq c | l mgv |vp# lk| pmq"gb mbm le ckg cbh qm bw c bh l nmbh bh j jgb q cd gl bkb pg"Bhvwb bmb le gl cd gl bkb pg c `k nmg pmgp n bh l l lmb l lbh |vpcb mb lbh |vp pg# pmd k c `k |b }vp nmbh mp lbh |vp bmgv bhvwbbmb nml be"

    Mgb bew m pzvwb bh Jgb pb $ bh l gb nmbh bh j zpk cbh |l -LNJ' l | `bh zp qm jgb `k L NJ l lv pk b hgb# cd gl pgb lw# p qmgjk `bh" Dp nml `k | qmp pzgb dbm d le n pmvp g } c g gv nmgb lmk qmq gv nmgb pmg hgeb pml g lmp cbh gv nmgb zp lek `g gv lmbmzbh" gv `b pg }v mbh pmew pm pzgp m pzvwb bh gb ngbm gb | `bhbh l gb dp lmgv jbh m pzvwb bh gb jgb pb $ bh l gb nmbh bh j

    zpk cbh |l"

    _g | cbh bh l nmbh bh j l | `bh zp cb bhw lbh pbh# lmg qmlmk bbh cbh b mbm bh l c zp cb# dp qmb nmbh bm bbh cbh j pgv mek`g `bh bmgp# l jgp qmb bbh cbh cb j pgv mek pzkbh uv pzbm nmg bh# cdqmp bbh pzkbh bh l# hgd pvg pm le pmgp j" Bhkg ze nmg bh l cd gl g jgbpb `k gb q nmbh |gb cd lmk uv pzbm gb p# gb l# pb pmp bbh cbh pzkbh bhl `gb jgb qml pq l bmgv gd nml |k g pzbh mq bh l nmbh bh jl lq gb p cg" @k w gl bh `bh m Jgb pb $ L NJ bg lmvbh jg pkbbbh lek mgv uv | `bh bbh cbh nmg b mbm m jgb pb $ L NJ bg zgbh ebhc gd bbh mgb bew pmv mp l | uveb pd le bh k hgg lmvwb db pzkbhbl bl bhkg"

    Pzkbh jg bw lmbh pg | hgg pmgv dp | n pmvp gv nmgb m jgb pb $ L NJebh l | `bh lmk ll pmgp j pzkbh lbh bhmgq dp | np uv bhmgb lv bbhlek mgv |vp nmg b mbm m Jgb pb $ L NJ "

    :" \ nmg le m jgb pb $ L NJ

  • 7/31/2019 Using inverters to control AC motors_ Bai Bao Hoi Thao HUT_Nov 2003

    2/8

    :

    \ nmg le m jgb pb l | `bh pzkbh lbh bhmgq 9

    pb `bh l bbh cbh pz cg nmg bh l cd gl lm md pg |gbm# pmpe l pm | `bh | mbm :" Pvw bmgb | bw nm qml pq cd pbh hg pmbm pmgpj l qmb dlm bh cl dlm gv nmgb -qmg `bh : @\Q pmbh pmbh mkl dp@\Q nq l lml bbh bm: @\Q pmbh pmbh' bb p hq pzkbh ll pmgp j lbh bhmgq "

  • 7/31/2019 Using inverters to control AC motors_ Bai Bao Hoi Thao HUT_Nov 2003

    3/8