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     ИI(y)YӍ w С M(jn)ӡ(y)P(gun)]
    ʽ@MS(du)׃©ň(chng)Ӱ

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    ]䣺laihongcn@163.com
    ҂Yϣ
    Ї(gu)늚Ј(chng)ُ(gu)W(wng)
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    l(f)ڣ[2006-4-13]    [4999]ΡЇ(gu)늚Ј(chng)ُ(gu)W(wng)[EM39.com]{(bio)pԄ(dng)L}
          1 ǰ

    S(gu)(jng)(j)IJl(f)չ(du)Խ(li)Խ׃S֮늉l(f)չ؄eĿǰ{̵ĽO(sh)Ҫa(chn)늉׃Ŀǰ(gu)ѽ(jng)Ƴ1000MVAϵľ׃ԇƷ1800MVA҇(gu)׃_(ti)Ҳ_(d)720MVA

    S׃_(ti)͉@MҲS֮еĸ_(d)f(wn)ڴ׃͉@MʽY(ji)(gu)@ڵ͉@MЄ(sh)شһSԓS͉@MӋ(j)׃©żpĕr(sh)](mi)_(d)һ̶ټӋ(j)ď(f)sy˺S(du)©ň(chng)ӰJ(rn)@MľѶͬSAh(hun)·(sh)H׃@MÌ(do)һѾoһ@ƶɵÿѾԡ؄eʽ@MSԽ(li)Խ@һЩ׃Ҍ(du)Ƿ(yng)ԓԵӰɆ(wn)؄enj(du)ش׃ԓӰܷ(hu)ʹ׃FļY(ji)(gu)a(chn)ֲ^(gu)˸@Щ(wn)}бҪ(du)@һa(chn)©ň(chng)M(jn)Ԕ(x)ìF(xin)늴ň(chng)Ӌ(j)㼼g(sh)_Ӌ(j)]@һ׃©ň(chng)ķֲԼɴˮa(chn)ēpģ@_(ki)l(f)®a(chn)Ʒr(sh)ȡʩa(chn)ؓ(f)Ч(yng)ָ(do)a(chn)ƷO(sh)Ӌ(j)

    @M׃Юa(chn)ň(chng)ĸԴ@MΠ׃wY(ji)(gu)̎λֱӰ׃©ŷֲ׃߉@MһÃ(ni)Bm(x)ʽ͉@MʽBm(x)ʽ@Mɺܶ(g)S“(lin)M@ƕr(sh)ݗ“(lin)@Ƴһ(g)ȻáD(zhun)^ĩ^Qλã(jng)Qλ@ڶBm(x)ʽ@MÿһжѾѡc֮gÉ|K_(ki)ʽ@Mɶ⌧(do)“(lin)B@ɵģgÉ|K_(ki)(j)@MĴС@MɲÆp34ȽY(ji)(gu)ʽ@MÿЎׂ(g)ǎÿ@M(sh)Խ࣬@MԽ?nʽ@MǴ(n-1)?

    ڲ鿴P(gun)׃©Ӌ(j)īI(xin)r(sh)l(f)F(xin)SīI(xin)](mi)п]׃@Mdž(wn)}е@MͬSAh(hun)·O(sh)@MgПo(w)ޱĽ^оѾoܵ@Mռȫg@MڏSp@ؽֲ(sh)H׃@Mñ⌧(do)һѰһ@ƶɵģÿ֮gÿ(g)cˮƽgAһ̶(sh)ֵĽǶȡԲHЈAܷ߀S

    ´ڞg[DƬ

    ؄eǶʽ@MԸ@׃͉@Mһ34@Ʒʽе׃{(dio)@M߀8ҪӋ(j)ʽ@MSӰ횰׃@MČ(sh)HΠ׺ģ͡

    Ҫᘌ(du)׃ʽ@MIJͬȆ(wn)}(du)׃©ň(chng)M(jn)Ӌ(j)㣬(j)Ӌ(j)Y(ji)^˲ͬ@MS(du)׃©ň(chng)Ӱ푳̶

    2 ģx

    ʽ@MS(wn)}w(chng)ͬr(sh)ǰҾ(du)Qo(w)(du)Q̎ڽģ͕r(sh)횿]׃ȫ׃͉ʽ@Mһ㶼100(g)ҵľgɢ͵g͵ǃɷNͬIJM(jn)зքeʷ(sh)HrģͣʷֵϢஔ(dng)ټ߉@MFġAȘ(gu)F(xin)еӋ(j)YԴo(w)M(jn)ʷf(shu)©ň(chng)Ӌ(j)(du)׃(sh)HY(ji)(gu)M(jn)һĺ(jin)̎

    (du)ڶ@Mÿ@Mһ(g)w@w@c(sh)Hrȫһ¡һ_(ti)240MVAĆ׃Ӌ(j)㌍(sh)ԓ_(ti)׃͉@Mõ4ʽY(ji)(gu)߉@Mõǃ(ni)Bm(x)ʽY(ji)(gu)˽ģ͕r(sh)˹(ji)ʡӋ(j)YԴ߉@MͬSAh(hun)͉̎@MͬȺ͟o(w)rģܵF(xin)Ӌ(j)YԴƣֻӋ(j)˵͉@M32168o(w)ķNr׃©ň(chng)ķֲ˸N@MS(du)©ň(chng)Ӱ푡(du)ڵ͉@M4r(sh)׃©ň(chng)Ӌ(j)ĿǰӋ(j)YԴ߀o(w)(sh)F(xin)^(gu)ɸ(j)ķNrӋ(j)Y(ji)Եط͉@M4r(sh)S(du)©ň(chng)Ӱ

    Su(chng)Ӌ(j)ҪӋ(j)YԴ(j)ԓ(wn)}c(din)Ҫоʽ@MS(du)׃©ň(chng)Ӱ푣Ӌ(j)r(sh)¼O(sh)

    (1)Fă(ni)u(du)©ň(chng)ӰJ(rn)=0

    (2)ٽY(ji)(gu)AIJϞ龀ԡ

    (3)λ

    (4)Ըߵ͉@M(ni)h(hun)u(du)©ň(chng)Ӱ

    (5)Ӌ(j)·r(sh)׃©ŷֲJ(rn)һ@M֮͞

    3 c(din)

    3.1 Üu(chng)׃ʽ@M(wn)}

    đ(yng)Ansoftl늴ň(chng)Ӌ(j)ܛĜu(chng)׃ʽ@M(wn)}u(chng)Ӌ(j)ԭǑ(yng)늴ň(chng)̼Maxwell

    ڹlrλӰ푣Maxwell£

    ´ڞg[DƬ

    3.2 (du)׃ñ迹

    (dng)׃늴ň(chng)M(jn)͌(do)w͸(du)Сr(sh)(chng)ݶȌa(chn)׃@NrƵJ(rn)(chng)ڌ(do)w(ni)ֻSر淨ݶ׃ʹ(do)(ni)ɞһSⲿĈ(chng)һЧ迹@Ӿʹ(do)w^(q)(chng)ֻڱԪ

    ˃(ni)(ji)c(din)迹ɶx飺

    ´ڞg[DƬ

    ñ迹횝MЗl

    (1)(do)wļwh(yun)h(yun)СĽY(ji)(gu)ߴ

    (2)ڌ(do)w(ni)ň(chng)ر淨˥pо˥pöࡣ

    (3)Դh(yun)xu(chng)a(chn)ı

    ׃һxA3(j)wӋ(j)㹫ʽ

    ´ڞg[DƬ

    ʽЦԴĽlrad/s

    Ҳϵ늌(do)ʣS/m

    rϵ(du)Ō(do)

    0еĴŌ(do)H/m

    (du)A3=5.6×106S/mr=200ʽ(5)ɵļwȦ=1.5mmh(yun)СĽY(ji)(gu)ߴ˿Ɍ(ni)迹߅ڽģ͕r(sh)䱾^(q)(ni)ă(ni)߅@ӿɱ(ni)ʷּ⣬ɹ(ji)sӋ(j)YԴ

    4 ͬʽ@M׃©ň(chng)ֲӋ(j)Y(ji)

    4.1 ʽ@MS(du)FС(j)©ň(chng)Ӱ

    Nʽ@MS(du)FС(j)©ň(chng)ӰҊ(jin)D1ɈD1Կͬʽ@MSFС(j)ݗᵽݗSָ׃͉(c)(du)@Mλá©ŷֲڅ(sh)ͬ@Mɶݗ©^@Mв©^С֮ͬ̎Ǹͬʽ@M©ŷֵͬԽ@M@Mɶ˵ķֵ^ֵ׃^o(w)@M@Mɶ˵ķֵ^x_(ki)@Mɶλô½^졣@Mв^(gu)׃r(sh)Խ@M׃ҲԽo(w)r(sh)׃^ĈD΁(li)co(w)32@MS(du)FС(j)©ň(chng)Ӱ^16@M֮8@MӰ^С4lķֲP(gun)ϵɶԵД(dng)?sh)͉@M4r(sh)FС(j)ݗ©ŷֲ(yng)Bxm0cBxm8֮gˣJ(rn)鮔(dng)?sh)͉@M4r(sh)S(du)FС(j)©ň(chng)Ӱ푺СԺԲӋ(j)

    ´ڞg[DƬ

    4.2 ʽ@MS(du)©ň(chng)Ӱ

    Nʽ@MS(du)©ň(chng)ӰD2ʾЈD2a鲻ͬȵ͉@M׃ݗ߶ȵķֲɈD2Կͬ@Mݗ©ŷֲڅ(sh)ͬ@Mɶ˴@Mв©ͨ^(gu)Ҹ׃©ŷ4lľwֲDzֲͬҎ(gu)ɞSʽ@Mǵ©ֵF(xin)λ@MвƫֵҲ(yng)©c(din)ͨ^(gu)c(din)^@M׃ݶ^o(w)r(sh)׃ݶСͨ^(gu)(du)D2a4lı^Կ32ʽ@MS(du)©ň(chng)Ӱ16֮8co(w)ɗl^ӽ˿ɶԵД(dng)?sh)͉@M4r(sh)ݗ©ŷֲ(yng)Bxm0cBxm8֮g˿J(rn)鮔(dng)?sh)͉@M4r(sh)S(du)©ň(chng)Ӱ푺СԺԲӋ(j)D2b߶ȵķֲɈDԿڟo(w)r(sh)ܺСS͉@Mǵ@Mɶ˵Խ(li)Խcݗһ(g)(sh)(j)D2cS߶ȵķֲ

    ´ڞg[DƬ

    4.3 Nʽ@MS(du)͉@M©ň(chng)Ӱ

    Nʽ@MS(du)͉@M©ň(chng)ӰҊ(jin)D3ЈD3a鲻ͬȵ͉@Mݗ@M߶ȵķֲɈDԿͬʽ@Mڵ͉ݗ©ŷֲ@Mɶ˴^@Mв©ͨ^(gu)Ҹ׃©ŷֲҎ(gu)ɞSʽ@Mǵ©ֵ(yng)©ͨ^(gu)c(din)^@M׃ݶ^o(w)r(sh)׃ݶСͨ^(gu)(du)D2a4lı^Կ32ʽ@MS(du)͉@M©ň(chng)Ӱ16֮8co(w)ɗl^ӽӰС˿ɶԵД(dng)?sh)͉@M4r(sh)͉@Mݗ©ŷֲ(yng)Bxm0cBxm8֮gM(jn)J(rn)鮔(dng)?sh)͉@M4r(sh)S(du)͉@M©ň(chng)Ӱ푺СԺԲӋ(j)D3b͉@M@M߶ȵķֲɈDԿڟo(w)r(sh)͉@M(ni)ܺСS͉@Mǵ@Mɶ˵Խ(li)Խ@MвҲӣ؄e32ʽ@M@Mɶ˼в^D3c͉@MS@M߶ȵķֲ4lķֲڅ(sh)ͬ@Mв@Mɶ˴½

    ´ڞg[DƬ

    4.4 Nȵʽ@MS(du)߉@M(ni)©ň(chng)Ӱ

    Nʽ@MS(du)߉@M(ni)©ň(chng)ӰҊ(jin)D4ЈD4a鲻ͬȵ͉@M׃߉@M(ni)ݗ@M߶ȵķֲD4b߉@M(ni)@M߶ȵķֲɈDԿڟo(w)r(sh)߉@M(ni) СS͉@Mǵ@Mɶ˵Խ(li)Խ@MвҲֲҎ(gu)c͉@Mܵķֲ@f(shu)@MS(du)һӰ؄e@MăɶӰҪһЩD4c߉@M(ni)S@M߶ȵķֲ4l@Mв^@Mɶ^С

    ´ڞg[DƬ
    ´ڞg[DƬ

    4.5 ͬȵʽ@MڊA©ŷֲcԇ(yn)Y(ji)ı^

    D5ķNʽ@M׃ڊAݗ©ŷֲԓ̎Č(sh)y(c)ֵķֲɈD5ԿķNrڅ(sh)һµڊA¶ݗ©^A϶©upС¶32©0С϶32©^Сұ^ӽ@@MS(du)A¶Ӱ^(du)A϶˻](mi)ӰSǵӰҲ(sh)y(c)ֵڟo(w)c8֮g@ڌ(sh)Ha(chn)Ʒ4ʽ@M@ҲC˱ՓĵӋ(j)ģǿŵ

    ´ڞg[DƬ

    5 Y(ji)Փ?

    ĸ(j)ķNʽY(ji)(gu)32168͟o(w)r׃©ň(chng)Ӌ(j)

    Y(ji)ɵó½Y(ji)Փ?

    (1)ͬ@M׃Fļݗ©ŷֲڅ(sh)һµ@

    Mɶݗ©^@Mв©^С֮ͬ̎Ǹͬʽ@M©ŷֵͬԽ@M@Mɶ˵ķֵ^ֵ׃^o(w)@M@Mɶ˵ķֵ^x_(ki)@Mɶλô½^@Mв^(gu)׃r(sh)Խ@M׃ҲԽ죬o(w)r(sh)׃^

    (2)Sʽ@Mǵڵ͉@Mă(ni)ݗ©ֵ(yng)

    ©^(gu)c(din)^@M׃ݶ^󣻶o(w)r(sh)׃

    ݶڵ͉@M漰߉@M(ni)©ҲSǵӡSʽ@Mǵڸ̎S©ŷ΢׃@ҪSʽ@Mǵ@MpС

    (3)(sh)H׃ȡ4ʽY(ji)(gu)(du)©ŵӰ푑(yng)08֮gе©ŷֲ(li)Ĺ̵ĽǶȳl(f)J(rn)Ӱ푲(hu)ܴ

    (li)Դ׃

    dֻfϢվ^c(din)C(sh)ϢHD(zhun)dՈ(qng)ע̎




    һƪʲô^
    ƪʽ@MS(du)׃©ň(chng)Ӱ푩늚ُ(gu)W(wng)(ُ(gu)W(wng))ИI(y)„
    һƪʲô^
     
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