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ʱ:2017-11-2

һƥ

    뻻ƥ棬һͨƥʹĵ繦ʣڷҪһѵĸز£ѻ迹任ѸأҲ迹任ã

ͨƥʹЧߣڻо翹ԭɹƵϵѹ͵һλӶʹʵòʹЧʽͣڷ˲ϻһ෴ĿʹΪ裬Ҳгáɴ˿ɼƥĺûֱӰŹʳԴIJЧʡ

 

迹ƥ

ΪʹʷŴڵԴѹҪȡڸ迹һD࿪͹䷢ѹЧRl'ϵʱʽΪ

ʽУVAmΪЧϵĻȣ

vccΪԴѹvcesΪŹܱѹ

    Ϊ˱֤ϵͳһ(ѹĩƥ·ĵ趼ģpo' ҪһԼ1415ϵpoΪ15Po'

ʽ֪ڵԴѹ֮ʵĴСȡڵЧRLĿǰʳĸΪѹͻ迹ԼΪʮŷķŷķ䣬ΪҪﵽҪĶʣҪԻRL迹任ɸ迹任Ϊ迹һ㳣õķͨѹijμȦȽб任ѹγΪnmPOʱij

ҪһڻϵĹΪ1000WֱVCCΪ220VVCES=10VӦһPO=1.5PO'=1500Wѹ

6.5

гʱЧRL200ѹμȦ

    ϳν迹任ͨѹʵеġ

    ѹdz迹ƥ䡢书ʵҪƹնԷĹȫʮҪġ©СŵȷʽӰ·Ĺ©лγѹҪԭΪˣʱӦѡȡиߴͨܶBߵʦ̣ߵʦc ͽHcĸ߱ͲоһڷֹƵѹ˲̬ʱʱҪע¼㣺

    1ͨܶBѡȡ

    оϵĴŸӦBȦ٣ֱRҲСӶȦͭ PmҲСBȡøʱǰؾˣƱѹʱѡȡߴͨܶȵIJоԽͱѹġСǺġΪ˱̬ɹзͣһѡȡͨܶBBs3ΪˣBsΪоʹͨܶȡ

    2.Ҫ֤㹻

    һҪѹ迹ӦʽϵWLl15RL'RL' Ϊμ㵽ߵĵЧֵWLlΪип̫СŵȽϴŵ󣬱ѹĽӣ֮ߣӶBsʹѹ뱥͵Ŀ

    3ҪǡЧӦӰ    

 ڸƵʱߵĵЧӦ൱ڼ˵Ч˵ߵĵ裬Ӷߵѹ󣬵±ѹ¶ߣ˱ѹ뱥͵ΣԣСֱĶɵ߲Ƶķ

 

    гƥ

    ѹ绻оCoоLOڻг״̬ʱϵĵѹVRLIRLһλǦգPOVRLIRLcosաڦյĴڣ ﲻֵֻе=0ʱʴֵΪʹϵѹVRLIRLͬ  (=0)ڻϣϻһĿѹ绻ԣϻһ L0ɣӦϻһC0

    ѹ绻迹ɵЧ·ͼ152ʾ

    ڵЧ·ͼ 

 ʽR'(f)X'(f)Ϊ͵翹R(f)G(f)B(f)Ϊ衢絼͵ɡǶƵ ĺгʹгʽȷ

DZȽһֵгIJ   

ͼ1-531-54һֵֻгߣɼ

1ڻĴ翹Ȳ翹СL

2гı任絼Ӧг絼Ӧ˫壬ԲͼΪصԲ

3гйȲгйСгɻԵ͵衣

 

4ӴгǹΪԲгڴг

5Ŀǰڹʳôг϶࣬⣬еж·ʱгедڷ·УʹŸȫ·ʵƥ·УʱҪԵԸΪãԹŵ·еĩŷ伫ϴһСпҲкôǰҲᵽΪѹصD๦ţԸɶԸߴгĶ·ãشΣաҲҪעԸػʹӷѹӡ

ġƥе

ƥͨȦĵУɰʽ㡣

 

ʽЦΪȦScΪоЧ(cm2)lcоƽ·(cm)eоЧŵʣ

ʽУ~оŵ,lgозǴ¼϶(cm)Ϊlg/lc1~,

ɴ˿ɼL϶lgƳɷȣlg϶ɵLO

Ƶ¼裻

(1) scѡо

ʽVΪѹЧֵ(V)fΪƵ(Hz)BΪоŸӦǿȡ

һѡMXOһ2000Eʹо϶࣬£

(2)о϶lg

   

 (3)ȷ

    ǵߴгͳƵʽϸߣ˳ƼƵڽЧӦͼЧӦءf>10kHzʱڽЧӦĽR~ԼΪֱRd210ͭprҲҪֱͭProͬΪk

Pr=kPro

ˣΪάֵȦ£ܶȱ밴ճֵ1k-1ѡ

ڼЧӦøƵĴ͸Bʾ

ʽУΪߴŵʣrΪߵ絼ʡ

ΪټЧӦӰ죬ѡֱDС͸Bñƽ߻߸Ƶߡ

ڹʳƵΪ15-40ǧյƥе߿Բöܽߣһⲻ

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