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    ߣ Դ ʱ䣺2018/2/11 16:12:47  2154
    iec 255-20-1984
    electrical relays part 20:protection(protective)systems
    ׼ͬùʱ׼iec 255-20(1984)̵ 20֣ϵͳ
    1 ÷Χ
    ׼涨ϵͳɲֵҪ
    ׼ڱϵͳеıװü뱣װĶӰ
    ׼ж
    ϵͳ䲿쳧
    ϵͳû

    豸װԱ
    ʹʦ
    ͬiec׼涨˱ϵͳɲֵļҪ󣬱׼йزЩ׼
    ¼aгijһϵͳķͼͼʾƶϵͳɲּ淶йiecίԱᡣ
    ûľӦ漰ĸίԱĹ涨һ£ЩίԱϵͳ
    2
    ͨiec 50(448)ʵ繤ʵ448£ϵͳͬʱ׼Ͷ塣
    2.1 ϵͳ protection system-protective system
    һֱԭΪij涨ܣɱװúɵij豸1ݪ
    ˵
    1ݲiec 50(448)Ķ塣
    2.2 ʽ뱣ϵͳ accelerated distance protection system
    һָͨϵľ뱣ϵͳ1ݣڸϵͳеӵźʱκβܵĶʱ䡣
    ˵
    1еľ뱣ͨѶϵ
    2.3 blocking scheme
    ʱʹ˽ֹբźŵһֱϵͳ
    2.4 ط·еĵ current transformers in idle shunt
    뱣ϵͳһεĵ
    2.5 ·ʧ鱣ϵͳ circuit-breaker fail protection system
    ѡĶ·բʧ鲻жϹϵʱʹԤȹ涨Ķ·բгϵͳϵһֱϵͳ
    2.6 ϵͳ de-blocking scheme system
    ӱÿһ˴ıźţһ˼ϵʱķ
    2.7 Ƚϱϵͳ direction comparison protection system
    ñȡõĵѹΪ׼Ƚϱ˵һֱϵͳ
    2.8 źŷϵͳϵıϵͳ protection system associated with signallingsystem
    ڱ·ĸ֮Ҫͨϵһֱϵͳ
    2.9 ڹϵ internal fault current test
    ģⱻڹϵ顣
    2.10 Զբϵͳ intertripping system
    ͳźʹԶĶ·ֱբҪԶıװö
    2.11()ϵͳ (longitudinal)differential pilot wire system
    뱻͵һֲϵͳ
    2.12 ϵͳIJ parameter of a protection system
    һ仯Ӱڲͬ¿ԸֵͬԣߵĹĵȡ
    2.13 ʽΧ뱣ϵͳ permissive overreach distance protection system
    ڹϼУһ˱ڼ⵽Ϸڱʱ㽫һźˣ˽յźţͨжϷڸö˱ķ̵㣬ʹö˶·բһֱϵͳ
    2.14 ʽǷΧ뱣ϵͳ permissive underreach distance protection system
    ڱһ˵ľ뱣ڢμ⵽ʱ㽫һźˣ˽յźţͨзԵļϵı㣬ʹö˶·բһֱϵͳ
    2.15 λȽزϵͳ phase comparison carrier system
    Ƚϱθ˵֮һֱϵͳ
    2.16 һ primary test
    Ϊϵͳɲֵûʩӵ顣
    2.17 ȶ protection stability limit
    ڳƹ涨֮£ʹκμӰļֵ
    2.18 ʣ residual connection
    ΪҪڶϵͳлߵѹĴ͵ûĽӷ
    2.19 sensitivity
    ڹ涨£ǡʹ̵ҪļСֵ
    2.20 ԽԵ through-current
    ijһĵ
    2.21 ԽԹ through fault test
    ڵԪ·һ飬ʱϵϴ
    3 ϵͳõû
    3.1 һҪ
    ijһʽıװ(ijһʽľ뱣)쳧Ϊ˱֤װõԤܣӦiec׼ӦĹұ׼ûӦ涨ļҪбҪҪ쳧Ӧ¼bйر׼ȷ(̡̬ͳ̶ȵ)
    ЩҪûҲڸû
    3.2
    Ӧiec 185׼Ҫ󣬻ӦĹұ׼(μ¼h)1ݵҪ󡣹̬ܵҪ쳧û̶
    ˵
    1ݱ׼Ӹ¼h(ο)гiec׼ӦĹұ׼
    3.3 ѹ͵ʽѹ
    ѹ͵ʽѹӦiec 186ѹӦĹұ׼(μ¼h)Ҫ
    4 뼤·
    4.1 һҪ
    װõ쳧Ӧṩɽ뼤·ϼ˵
    iec 255-5̵5̵֣ľԵ顷(μ¼h)涨ûֱӵĵ·ӦΪ2kvѹĽǿ顣ˣû߼װ֮䣬ӦоԵϡ
    ϵͳܳѹiec 255-5й涨015kvȼ
    ӦȡʩԱڽгֳװӿѹǣκοܵµѹ()ֵλ豸Ӧʹá
    ڽӵغΣ11¼¼e
    4.2 ѹ·
    ھеѹıװã쳧Ӧ˵ijԭ縺ص¶εѹʧǷܵ±װõװǷᷢ()ʧѹ
    4.3 ·
    ڵε·еIJʽ̵ȣвͳУ·Ӧֿ·󡣵һϵͳijЩڶ̽ӵλ·ⲿ(ʽ̵)ʱйصiec׼Ӧ涨Щ豸ĵֵκε·УϵʱֵѹӦ뽻ߺ͵ľԵˮƽһ(ڸ迹߷)
    Ϊƽȶʽıϵͳװõ쳧Ӧ涨θҪ(ϵͳϵͳ)
    5 Դ
    5.1 һҪ
    װõ쳧ӦṩΪȷװһĸԴϺͼҪ󣬼¼cӦȡʩԱ⸨Դװӿѹ¼e
    5.2 ֱԴ
    5.2.1 ѡı׼ֵ1
    ˵
    1ݱԭõiec 255-3׼޸ģiec 255-4ѷֹڰ޸ĺiec 255-3iec 255-6Ĺ涨д
    iec 255-3̵3֣ʱ޻Զʱ޵뼤ȼ̵255-66֣ȼ̵ͱװáֱԴѹѡõı׼ֵΪ24v48v60v110v125v220v250v
    ΧȼֵΪֵ80%110%
    ɵؼ£ʹΧļֵֵͬʱװõ쳧Ӧ涨乤ΧļֵӦĶֵ
    ڽӵ⣬11¼¼d
    5.2.2 ֱѹж
    йֱѹжҪiec 255-11̵ 11֣ȼ̵ֱжϼ(Ʋ)й涨
    װõ쳧Ӧ˵װǷֱܼԴʧѹ
    ֱԴʹûжʱ߷ԼʱװòӦ𻵻
    5.2.3 ֱ/ֱ任
    ڱ׼вֱ/ֱ任(ڼļװ)ԡ
    ·֮ĵ룬11.3
    Ӷ·ʱߵͻȻʩѹʱӦ
    6 բբ·
    ¼f
    6.1 һҪ
    բ·ж÷ʽԶغբغբغբɱװģբ·DZϵͳһ֡
    6.2 բբ
    ϵͳբբӦܱպ϶·բͺբڹ涨ʱͨõǡ(̵ּ)ЩҪϿբͺբiec 255-0-20̵̵Ĵܡ
    6.3 ·ڲ·
    ·ĸ㡢բբȦԡ()ԼԣӦiec׼Ĺ涨
    56-1 ѹ·1֣
    56-2 2֣ֵ
    56-3 3֣豸졣
    56-4 4֣ʽ顣
    56-5 5֣ж·ѡ
    56-6 6֣ѯͶͶһṩϼ䡢װά޵Ĺ
    7 ߼·
    7.1 һҪ
    һվ豸ҪлϵͳIJբ·Щл·ڱ׼гΪֱ߼·װڲ߼·ھ뱣ڲκл
    Ҫнлл··һĸߵȣϵͳӦӦվ߼·ΪʹϵͳӦվеĸѹװãͨҪڱװúբբ·֮߼·(ֱ߼)ʱ뼤·лҪ߼·(߼)
    ߼·лֶԶɡԶл£߼·ɸ뿪غͶ·ĸơ
    7.2 ·е߼
    ڵ͵ѹ·(ĸ߱)пԽл4.3
    7.3 ֱ·е߼
    ֱ߼л·ӦܱպϡͺͶϿʱڹ涨ʱܹ涨Ķ·
    8 ϵͳͨϵҪ
    8.1 һҪ
    ڶԭ򣬱ϵͳҪϵԶվͨͨ
    ʱģߵĶԶˣö˵ĵȽ(絼߷)
    ϵͳͨϵǵϵزϵߵϵ1ݡ
    ˵
    1Ҳϵ
    8.2 Զբ
    Ӧø߿ɿȵź(ź)Ա(ѹ)
    õزͨý飬ӦڷǹϽ(ź)͡
    Ӧ涨źŴӱԶ˵ʱ䡣
    8.3 뱣źŷ
    8.3.1 һҪ
    ಻ͬķźŷõǣٷʽΧʽǷΧȽϷ
    8.3.2 Ҫ
    еļҪ8.3.1涨з
    a.ϵͳ(ѹ)·뿪زź˥ۼiec 255-22-1ȼ̵ͱװõĵ1mhz(˥񵴲)顷2ݪ
    2ԭiec 255-6޶Ϊȼ̵ͱװãԭ׼¼cƶ׼iec 255-22-1
    b.ƽ·֮һźʱڣӦǹ·ıϵͳ
    c.ڵ߹״̬źŴʱ·п븽ӵ˥ϵͳӦܽյźš
    d.ûӦ涨źŴӱ˴Զ˵ʱ䡣
    (źż̵Ҫ쳧û֮ӦЭһ)
    8.4 ϵͳ
    ߹ʱϵͳ󶯻ܶȡڱϵͳơ
    ɲüӼ̵ӵ·߹ʱ
    üʱװӦڵ·ľԵֵ½𱣻ϵͳ֮ǰ併ͳ̶ȡ
    þԵֵĻ·͵ߵݵֵ쳧涨
    8.5 زϵ
    ʹõزϵʱͨź1ݣڼʱźš
    ˵
    1ʽͨƵźš
    Ȼ԰ʱԶؿʱźŴͣԱܹźͨ·κƷʽ
    Ƶ豸ͨ˥ģӦ쳧涨
    ݲõԵأʹһԼǷڵ߻λ˥ͬ
    9 źָʾ
    йرװöϢҪӦʵķָʾ
    źָʾڱװϾ͵ʾҲԴԶĿĻ()¼¼
    ͵źָʾӦбֹܣȴȷϵźָʾӦװظȷڼҲӦˡ
    ͨɱװôԶźָʾϢڹϳڼãڱʱϴϿϢĴźָʾװõĹ֮һ
    10 Ե
    10.1 һ
    ϵͳֱ·еĵ()ѹͨûмûԵҪ·ĶԵѹйء
    10.2
    ϵͳûûֱӵĵ·ڵϷֿĵ·֮ԼЩ·ԵأӦ2kvЧֵĽǿѹʱ60s
    װúû֮ѹʱڶβװӵĽǿѹ쳧û֮Э̽͡õ500v
    10.3 ûľԵҪ
    ûľԵҪӦiec 185iec 186Ӧұ׼涨
    10.4 ̵ľԵҪ
    ڱеļ̵һԵӦiec 255-5׼Ҫ
    ضʽ̵벹Ҫiec 255йزй涨iec 255-1-00л޵̵
    10.5 ֱ·(բźָʾ·ߵ·)ľԵҪ
    ̵ĸ·ľԵҪӦiec 255-5Ĺ涨բ·ľԵҪѹ涨iec 56-156-6С
    11 ӵ
    11.1 һҪ
    ƽӵϵͳѡӵص㣬Ӧǿ̬ܵӰԼϵͳƵҪ󡣳ѿǽӵغ()δʩε·ллӦɺӵ̬ѹ
    11.2 û
    ûĶε·ӦֱӽӵأֻһϽнӵأõÿĽϵͳġӵضӵߵĺӦϹұ׼мĻĶε·һҪӵء
    ڸ¼gиûӵصʵ
    11.3 ·
    װڲĸԴɽӵأҲɲӵءװҪõӵأԴڲѹ(·)֮Ӧ룬ʹֱ/ֱ任
    ڸ¼dи·ӵʵ
    11.4
    Ϊ˼ٸӰ죬(źָʾ)µĽβӦӵءڸƵҪرע⣬¼e
    12 ͨܺҪ
    12.1 Ҫ
    һβ͵ѹӦΪҲҪ
    a.Գϵͳÿѹ(κ֮ԼÿԵ֮ĵѹ)Щѹƽֵ֮Ӧ1%
    b.ϵͳƽֵ֮Ӧ1%
    c.ÿӦԵѹ֮ӦͬӦΪ2ǡ
    ⣬豸ӦģʵʵһϵͳṩҪĵֵҪֱֵ̬
    12.1.1
    £ûβʩӵ͵ѹķģһε顣
    a.ɸԶĵԴ룬ģ⸺ƫõȡ
    b.ڶƵ֮ƵµӦṩڸƵ¾֤һ鷨鷨֮໥ϵ
    £Ӧ쳧û֮Э
    12.1.2 ֱ̬
    дԽԹڲϵ(13.1.2.213.1.2.3)һֱ̬ʱ䳣Ӧ쳧ضֵС
    12.2 ʽжʹõԪģԪܺҪ
    쳧û֮ЭĸԪǣ
    a.ʱĶģԱģ
    b.ʱʡȥģ书ijЩֶ֣ЩֶܱʡȥԪǷǹؼԵġ
    ΪʽõԪӦиҪ
    12.2.1 ̵
    ̵ӦΪ涨ͺţӦ涨ķΧܵõȷֵܵϡЩ̵Ӧ涨iec 255йز֡
    12.2.2
    Ӧiec 185йĻӦұ׼Щ׼ԸֵȼĵʹҲָӦṩ쳧涨ıϵͳҪԡ
    ͵翹רõ(12.1.1)
    Ǹߵ翹͵ģӦʹʵʵĻ쳧ûӦ̶
    õ͵翹쳧ΪάֶЧ裬һκ()ƹ涨ͬȻڵ͵翹ڲһΰѲ䡣ǵʹС϶ĵʱߺʣϵҲӦһ¡
    ӦںʵıȺͶι顣
    12.2.3 ѹ
    ʽѹӦiec 186ӦĹұ׼쳧涨ɱϵͳҪԡ
    עһ£Ŀǰiec 186й涨ĵʽѹ̬Ϊٱϵͳ(رǿٱ̵)ĵѹ׼Dzʵģɴ˳ֵκӦ쳧û֮Э̡
    12.2.4 װ
    װðмۺϻȶȡװõӦ뱣ϵͳҪ
    еκرעӦ쳧涨
    12.2.5 ͨͨ
    ϵͳڵϵͳƵ߽ͨеȽϵ£ͨӦʾ·ĵ裬Լ֮صķֲݺ()еķʽģ⡣
    ߼DZһʱװõӦⲿ֡
    ͨͨͨߵĸƵͨ΢ϵijƵͨӦʵǴʱ˥ģ⡣
    12.2.6 ѹʽѹ߸
    ߸õʾ쳧Թ涨߼ĵ֮ʾܵĵֵ
    12.3 쳧ijһϵͳܺԵĹ涨
    13.1.1.2쳧Ӧ֤ıϵͳIJϱ׼ӦĹ涨Ӧȷϵͳ涨Ӧ÷Χ()쳧ԷΧʹøԪǺġ
    쳧Ӧ涨̵͵ѹԺõĸװãй£Ӧ涨ߵԼԪ֮ĵ߸
    һЩԿʹõأ絼ϵѹӦ쳧Թ涨
    ʽĽ쳧ɰĿ涨ϵͳܣ
    ȣ13.1.2.1ȷ
    ʱ䣬13.1.2.2涨
    ȶޣ13.1.2.3涨
    13
    13.1 ʽ
    13.1.1 һҪ
    涨ĸʽڸԪӦ淶йҪ½еġ
    ϵͳӦйصԪһ׵ʽ顣ЩԪԪģⲿ(ѹ·)ǿɼ쳧ṩͨɱװõ쳧ҽһΡ
    ԱϵͳشƸģӦʽ顣ʽIJĿʡԡ
    13.1.1.1()13.1.1.2Ŀ⣬ÿϵͳӦյ13.1.1.113.1.1.2涨顣
    13.1.1.1
    ʽУΪȷϵͳʹܣӰܵıϵͳԶӦоȷв֮ȷйϵ
    ϵͳӦõIJѱϹϵĽԱϵͳԪ鼴ɣһʽ顣
    13.1.1.2
    ʱҪ֤ܶʹҪļɡ
    13.1.2
    ȡʱ䡢ȶԺͶʱֵ顣
    Ӧ̶涨ֵ½С
    13.1.2.1 ıϵͳ
    Ϊȷضļ̵ȣӦиҪԱϵͳʽ顣
    Ӧ̵ֱڰϵͳ뱻ı仯ʻ̬ӦйصϵͳȷõķӦ쳧û֮Э̡
    ͹ȷȵǺġ
    Եأ

    Ե1)
    ע1)鷽Ӧ÷ΧӦ쳧û֮Э̵⡣
    ϼԵعϵIJͬ仯ıϵͳֵѧȷ⣬ӦԲͬظС
    и˵ȾͬIJϵͳȷÿһ˵ȿһʩӹϵڸ˵Բͬ£Э⣬ȷÿһ˶ڹϵӦ˵ÿһʩӹϵ⣬ҪʱӦͬʱӸʩӹϵȷȡ
    ھиƫԵIJϵͳӦڴԽԵΪʱȷСӦڵڱĶ쳧û̶ĸߵĵȷ
    ظȽ԰ȷСȵĹ½С
    ϵͳӦ˼϶˵ĵ·ʱ
    Ӧڰ쳧û̶Ŀط·ٵȷȣ
    Ӧڿط·ijһ̶ȷСȡ쳧涨зʽ֮һȷСȣ
    a.ʹȷĵ
    b.ʹȷĵõЧ·迹棻
    c.ڿӦ㷨ϵͳʹȷĵӦӰ졣
    עǰᵽЩȷʩӵƫӰԷֱ޶(13.1.2.1涨)ԵõСȡ
    13.1.2.2 ̬µĶʱ
    ʱӦڻ׼²(ڿ£iec 255йزΪ)
    iec 255ڱϵͳйع涨쳧Ӧ˵ڻȡöܶʩӵһ(򼸸)ֵ±Ķʱ䡣
    бҪΪȷһܷıӰ죬Ӧڹ£ڹ涨ϵ()Сϵѹ²ʱ䡣
    Ӧһεʱ䣺
    a.̬
    Ӧʩֱ̬Ĺϵʱ䣬ÿβĶʱ䡣
    b.ֱ̬Ľ
    λբʩκֱ̬Ĺϵελ180㷶Χڱ䶯ʱΪÿβʱ䡣ȷһεֱ̬ʱ䳣ȡָ;ʵֵ쳧涨(13.1.1.2)
    й涨κθӦΪֵ
    13.1.2.3 ϵͳȶ
    жȶҪҪλȽϷйء
    λբʩκֱ̬ĵελӦ180㷶Χڱ䶯
    ȷһε·ֱ̬ʱ䳣ȡָ;(12.1.2)ʵֵ쳧涨
    ʩʱӦ0.2sDZ涨ʱĶȡֵ
    ԳƷЧֵӦȶֵӦ
    ̬̬ͣϵͳȶԱڵǿȵڶȶֵʱС
    йϵķֲȶȵǺģ
    Եعϣ
    ϣ
    ϣ

    עܻеĵΪ2iiiӿڳѹʽȶԣ迼лӿ߱Դ(ת)Ӧ쳧û̶֮ʵ顣
    13.2 1ݪ
    ˵
    1൱ڳ顣
    ͨ쳧ڽУӦ쳧û̶֮
    13.3 ί2ݪ
    2ί൱Ͷ顣
    ûijվڽУһڱϵͳijվ豸Ͷ֮ǰС
    ίĿ쳧û̶֮
    ʵ£Ӧڱϵͳ顣
    13.3.1 ûͽ
    ̵֮ڵĵ()ѹ·(ͨ);Ե顣
    13.3.2 û
    ڹ涨ֵ¼ûԡ
    13.3.3 ӵ
    顢·ȵĽӵء
    13.3.4 Դ
    Դ۶СͿصȡ
    13.3.5 ϵͳ
    ϵͳ顣
    13.3.6 ֵ
    ʵ顣
    13.3.7 բ·
    ·ڵբ·顣
    13.3.8 һ
    Բøص(緢·)һ豸顣ڼϵͳĸ֮䣬߷򱣻ϵͳĵ͵ѹ֮ıȼԼԵȷԣڼ鵼ͨͨȷԡ
    13.4
    ӦԵؽС
    鲻ίȫ棬ҪҪ̵ԣ߼·բ·һ㲻زûԻԡ
    ¼a
    ϵͳͼ
    ()

    ͼg2 ѹĽӵ()
    ¼h
    ׼õĹʱ׼ӦĹұ׼
    (ο)
    ׼ͬiec 255-20ұ׼йءͬùʱ׼ԭ򡱣iec 255-20õiec׼û뱾׼ģӱ¼׼õĹʱ׼ӦĹұ׼ֱгʹʱο
    h1 ׼õĹʱ׼
    iec 50(448)(1987) ʵ繤ʵ448 ϵͳ
    iec 56-1(1971) ѹ·1 Ͷ
    iec 56-2(1971) ѹ·2 ֵ
    iec 56-3(1971) ѹ·3
    iec 56-4(1972) ѹ·4 ʽ
    iec 56-5(1971) ѹ·5 ѡж·Ĺ
    iec 56-6(1971) ѹ·6 顢ͶͶһṩϼ䡢װά޵Ĺ
    iec 185(1966)
    iec 186(1969) ѹ
    iec 255-0-20(1974) ̵Ĵ
    iec 255-1-00(1975) л޵̵
    iec 255-3(1989) ʱ޻Զʱ޵뼤ȼ̵
    iec 255-5(1977) ̵ľԵ
    iec 255-6(1988) ȼ̵ͱװ
    iec 255-11(1979) ȼ̵ֱж뽻(Ʋ)
    iec 255-22-1(1988) ȼ̵ͱװõĵ һ֣ 1mhz(˥񵴲)
    h2 Ӧiec׼Ĺұ׼
    gb 1207 ѹ
    gb 1208
    gb 1984 ѹ·
    gb 2900.17 繤̵̵籣װ
    gb 4703 ʽѹ
    gb 4858 ̵ľԵ
    gb 6162 ̵̬װõĵ
    gb 8367 ȼ̵ֱж뽻(Ʋ)
    gb/t 14047 ȼ̵ͱװ
    gb/t 14598.1 ̵̵Ĵ
    gb/t 14598.2 ̵л޵̵
    _____________________
    ˵
    ׼л񹲺͹ҵ
    ׼ȫ̵̵籣Զװñ׼ίԱڡ
    ׼ɵҵϾԶ豸ܳݣҵϾԶоеҵ̵оμӡ
    ׼Ҫˣ巼Լ͡Ž쿡

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