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l(f)ڣ[2009-3-12]    [2800]ΡЇ늚ЈُW(wng)[EM39.com]{(bio)pԄӝL}
      Ք·̎ںlλÕr(sh)䌦ؽ^ֽ֧^ӳܣһՔ·Bӵľ·l(f)ýӵع·l󣬽ӵعc(din)δtĸČؽ^Ҫԓ·ڵg϶ܣN_r(sh)һ|gս^g϶ҪܸN֏(f)늉öl(f)g϶Ľ^Գɞߜ绡Ҕ늉ʹΔՔ·늉ȼl(f)չҪоn}
նȵıʾʽ

^һ(g)≺ĚwϡĿgQտgնԽ߼g(ni)w(qing)Խ͡նȵĆλNʾʽ:(1(g)mmˮy)(103bar)(˹:Pa)(1=1316Pa1=100Pa)҂ͨf՜绡҃(ni)նҪ_(d)10-4ָ绡҃(ni)Ěw(qing)H"f֮һmmˮy"༴131x10-2Pa

"ɭ"g"궨"ָg϶늉܏(qing)cw֮gP(gun)ϵD1ʾɭP(gun)ϵ"V"≺ӻ򽵵ͣߘOgg϶^(qing)C(j)߀?yn)՜绡҃?ni)նȸ10-4@ϡ՚Ŀgwӵг̞103mm՜绡@ôСݷe(ni)l(f)ײęC(j)ʎ׺˲l(f)ײxʹg϶ɭ"V"nj(sh)(yn)óģlھ늈rg϶늉Ujɱʾ:

Uj=KLa

L------g϶x

a------g϶ϵ(sh)(g϶<5mmr(sh)a=1>5mmr(sh)a=05)

ɭ"V"P(gun)ϵп(dng)ն_(d)103Еr(sh)F(xin)c(din)c(din)׃ƽ̹늉׺o׃

(dng)նȺg϶xͬr(sh)늉tS|^늘Oϰl(f)׃늘OϙC(j)е(qing)ȸc(din)ߕr(sh)g϶ē늉S֮

ս^ƉęC(j)

ǰf^՜绡@Ӹ߶նȵĿg(ni)wӵг̺ܴl(f)ײxʹg϶ڸ߉•ǿ^ǾзNս^ƉĵęC(j)°l(f)΢K΢늌(do)?lin)?/p>

°l(f)Փg϶ܰl(f)Ľ

g϶늈늘O΢^ͻְl(f)Ӱl(f)l(f)ݳײꖘOʹֲl(f)^m(x)ųxӻxײꎘOl(f)ΰl(f)໥e(do)g϶

Fowler and Noraheiml(f)I_(d)ʽ:

I=AE2e-B/E

ʽСE------늈(qing)

A------(sh)cl(f)c(din)eP(gun)

B------(sh)c늘OݳP(gun)

Сg϶(<1mm)}_늉rԺJ(rn)g϶Ɉ°l(f)Lg϶Bm(x)ӉcL}_늉£еČW(xu)J(rn)յēдC(j):

(1)ꎘOēڏ(qing)늈£ڈl(f)Ľl(f)Ч(yng)ʹꎘOͻĜض(dng)ض_(d)Rc(din)r(sh)ͻۻa(chn)

(2)ꖘOē:ꎘOl(f)ZꖘOʹijc(din)l(f)a(chn)ۻl(f)g϶a(chn)ꖘOėlc늈ϵ(sh)g϶xP(gun)

΢KĽ

O(sh)늘O渽^pɵ΢K늈£΢KÓҼ@΢Kײ늘Or(sh)ڛ_l(f)ʹ䱾ۻa(chn)

΢늌(do)g϶Ľ

늘OꎘOմl(f)΢늬F(xin)΢һNСϨ}_Ŀ늺3107Cڕr(sh)g50msmsһl(f)ڴ1mmg϶

@Щg϶ēC(j)늘OIJc늘Oırg϶Ľ^ǷdzP(gun)Iء

g϶Ľ^cȵķֺlrP(gun)

Ք·|g϶ē늉͉(sh)(yn)ǰͬrķֺl(yng)IJͬY(ji)炐(Colombo)̎O(sh)ӑՓՓ^@Ć}:ԇ(yn)24KV·~t|^~_16KA~630A|^_158mm|^lٶ11m/slٶȞ06m/sԇ(yn)ڱ1

P(gun)---l(ԇ(yn)ϵ2~5)a(chn)늉ȿdѭh(hun)(ԇ(yn)ϵ1)oĔ(sh)ֵͣ@ζ|^x늻Ӱ푶pͬr(sh)ϵ2ϵ5yõĔ(sh)ֵСϵ3ϵ4ԇ(yn)ֵ^㲨κ͘Oƺo@Ӱԇ(yn)Y(ji)C(sh)_]ʽ·|^֮gĽ^Ӱ늉30~50kV(ni)x06~2mm֮gr(sh)|^늈(qing)Ȟ25~44kV

1ԇ(yn)򼰃(ni)ݱ

ԇ(yn)̖

ԇ(yn)

(xing)̖

/ԇ(yn) 1 1-1

1-2

1-3

1-4 l-l

_^

1犹lԇ(yn)

lϨԇ(yn) 2 100%~_ 2-1

2-2

2-3

2-4 P(gun)--_

_^ԇ(yn)

1犹lԇ(yn)

lϨԇ(yn) 3 30%~_ 30%~_ֵͬO԰21~24(xing)ԇ(yn) 4 10%~_ 60%~_ֵ؏(f)M(jn)21~24(xing)ԇ(yn)

炐̎(sh)(yn)ĽY(ji)_P(gun)_՜pС^(qing)ȕ½һNձF(xin)҇ڵՔ·_Ϻg϶^½_(d)a(chn)Ʒg(sh)lĽ^ˮƽԴ(ni)߉Ք·ӆ؛Ҫ((bio)DL403--91)SՔ·늉ԇ(yn)󣬘Ogֵ͉ԭ(bio)(zhn)80%ԇ(yn)ͨ^J(rn)ԓ·ʽԇ(yn)ϸôνĿǰSՔ·Sa(chn)ƷBr(sh)(f)(qing){(dio)Ք·늉ԇ(yn)g϶Ľ^(qing){(dio)?҂10kVՔ·팦f:՜绡ҽ(jng)^g(sh)͹ˇM(jn)Og^ˮƽͬڮa(chn)Ʒ^ߺܶ_(d)Aֵh(yun)Ȯa(chn)Ʒ(bio)(zhn)Ҏ(gu)ֵ͉C(l42kV_75kV)ߵöSƷCֵԇ(yn)(dng)Ȼ늉ԇ(yn)g϶^ˮƽAֵBֵBֵ>CֵʰCֵȥУ^ԇ(yn)r(sh)಻l(f)Ϯa(chn)ƷA"ֵǴCֵSƷCֵ(dng)Ȼͨ^_ϺA"ֵB"ֵB"

՜绡ҽ^Ĵʩ

Ք·Ҫ늉ʹI(lng)l(f)չ՜绡ҔژOg^Ƴ~늉^ߵĆΪ(d)՜绡ҵĽ(jng)(j)xǾ޴ɜpٴ“(lin)ڵĔ(sh)ʹ·Y(ji)(gu)ĶO(sh)ɿԲʹO(sh)r(ji)(yng)߆Δ՜绡ҵĽ^Ҫȡʩ

՜绡҃(ni)|^g͉(qing)ȵ

ǰf^ڜ绡҃(ni)߶յr|^gڵĚwdzϡ٣ܘOg늉a(chn)xOgl(f)ǿ^Ķa(chn)׷Nս^ƉęC(j)Ľg϶(sh)Hr(sh)пǎ׷NC(j)ͬr(sh)l(f)ғ;пxw@ʩ늉a(chn)Ľ|^ጷĚwṩڴc(din)l(f)ȡдʩ՜绡|^g϶͉:

(1)xc(din)c(din)(do)СC(j)е(qing)ȺӲȴ|^

(2)A(y)|^g϶ʩӸ늉ʹ䷴(f)ʹ|^渽Ľٻ^΢ۻl(f)^"ϟ̎"

(3)|^绡ұϵĚwM(jn)мӟÓ̎

(4)xm|^Π|^늈ֲ

_|^OgĽ^֏(f)ٶ

ͨ·_ɹP(gun)I늻^|^g϶^֏(f)ٶȿ|^g϶gĕB(ti)֏(f)늉ٶͲl(f)ȼ_(d)ɹ_՜绡_r(sh)늻ųĽ늻^r(sh)ѸٔU(ku)ɢ|^ֱY(ji)_(yng)|^ߴ|(zh)ΑB(ti)|^g϶Լ_r(sh)a(chn)ĽܶܶȵӰM(jn)з(f)(sh)(yn)ȡԇ(yn)(sh)(j)оl(f)F(xin)|^ֱԽ|^g϶ԽС_Ľ^(qing)Ȼ֏(f)Խvň|^Y(ji)(gu)IJãИOõĻ^֏(f)

՜绡ҵⲿ^

՜绡ҵⲿ棬̎Ĵ֮t^͉Ǻܵ͵mϸ늉lʹãSՔ·늉Сͻl(f)չ՜绡ⲿȡЏ(qing)ʩ:

(1)íh(hun)֬^՜绡մ⚤棬h(hun)֬и߽^_늉50kV/mml͉30kV/mmƷC(j)е(qing)ȸעӹܺ^׳͏(f)wմ⚤棬Ķ_(d)绡^(qing)Ŀʹ茦ؽ^څՔ·tÎȹ߅Ĺz(f)wմ⚤ıиõĿFWC(j)е(qing)Ȅth(hun)֬g

(2)՜绡SF6w֮Уʹմ⚤SF6wSF6wֻ^≺һDzߵ

O㡡g϶Ľ^A|늹ܾ

dֻfϢվ^c(din)C(sh)ϢHD(zhun)dՈע̎




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