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Դغӽ׿Ƽ ڣ2018-05-28 15

 

 

 

 

1̸ſϵͳۺϷʩ¼棺1칫Դһİװ

2Դߵİװ

3ŵȵλӵذװ

4Ͻӵۺϲߣ

 (5)ӵعĿڡ

ʩݱֲֳ˿ѧ֯ʩҲȷ̷ʩ淶ĿҪʩҪĻ

2

99D562ʩװ׼ͼ

GB50057-94ƹ淶

GB50300-2001ʩͳһ׼

GB50303-2002ʩչ淶

3     Ŀϵʩ岼

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Ϊ˱֤ʩɸùʩҹ˾齨׹Ŀ飬Թ̽֯ʵʩ

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       ΰĿȫȨʩ֯ʵʩȫڲⲿϵ칫ص㣺ֳ

帺𹤳ʩΪ׷ҷڹ涨Ľ϶ʱڽʩ̷Ϊĸʩ飬вʩ
ֳİȫϴʩʱ飬ȷʩͰҪһպϸ񣬰ʱͶʹá
ٸʩϡ豸ӦڱϹ䱸һ̨
ʩʩͰȫʩ
ȷʩϵͳİȫɿӦϸͼֽʩͽߣڲƷаװǰӦƷͺšѹͨԴ𼰽ӿʽͶǰȫԱмȷϺ󷽿ͨͶСʩȫʩʩϸйز̽УžҰʩ곡壻ͬʱʩ
Ϊ˱֤ú칫ϵͳۺϷ׹̵˳ʵʩҹ˾ַƣ֯ǿİӣԹ˾ܾ˧ĹĿ
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Ŀִййؼ׼͹˾ƶȣ
ȫ渺ĿΧڵĹȡɱȫաЭɹƽ浵ȼල
ȷĿΧԱְȨ
ǿЭڻ򲻶׷㱨̽չ
Ŀξ帺ĸʩʩ֯ƻšԱ估Э
Ŀ帺ʩලڲգʩȫϲɹյȡ
 

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Ʋͺšļʱ䰲ţ豸ͺŹʱ䰲šṩݼ豸ɹݣԱйƺʽšΪǩʩͬʩͼֽ׼ʩʹʩ
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ͨƹ̷Ԥ㣬ȷͬɣԱȺͬгɱͿƣΪṩʽʹüƻ
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Ҫʩ֯ʩҪʩͶ䱸䱸ȫʩӹίУҪֲʩȼƻȱƣʹʩȷķʩ׼ʩ
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41ϸʩʩ
42ʩԱÿԼ죻
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ڰװǰӦȷϵͳǷѶϵ磬ںբǷƣʩҪר˼໤
һеӦΪBVRͣҲС10mm2߽治С6mm2߽治С2.5mm2ེͭߣӵĸӵһˣҪʹͭ߱ǣϽơ
İװҪ
 1ԴİװװҪ
11ϱ뵽λ
12ϸҪϣ
13ÿֻ̱꣬뵼죻
14װն˹̶ɲƬš̶˿ҡÿ֧ɶڸ֧豸·ϰװڰװǰӦȷϵͳǷѶϵ磬ںբǷƣʩҪר˼໤
һװڴ¥ˣĿ10/350μSε׵壬ļӦ㣺ͨ35KA/࣬ѹС6KV
ڶװڻڵ¥Ҫ豸ڵ¥߶˶ˣ׵粨ͨһйź׵粨10/350μSתΪ8/20μSкܴ豸ͳѹҪ󣬰װڶ׵һ似ָӦ㣺ͨ15KA/࣬ѹС4.5KV
װڱ豸ǰ˻򽻻ڻ豸UPSй磬UPS豸֮ľϽװUPSԴǰĿʹ豸ͳѹﵽ豸Ŀġ淶ҪָӦ㣬ͨ3KA/࣬ѹС1.5KV
ԴԴҪ
һԴʹ10mm2ɫߣʹ10mm2ɫߣʹ6 mm2˫ɫߣ䳤Ȳ˳5ףڶԴʹ6 mm2ɫߣʹ6 mm2ɫߣʹ6mm2˫ɫߣ䳤Ȳ˳5ףԴʹ2.5mm2ɫߣʹ2.5mm2ɫߣʹ2.5mm2˫ɫߣ䳤Ȳ˳5ףӵ˱ͭӣӴ˨ѹ豸ӵӵػ˨Ӵͽߴ豸ȵλӵӦС6mmͭߣӵ߽ӦС35mm2
߾Ϊͭоߡѹ˿šм϶ɶߵĽ߶˲©ͭ⣬ӦʹѹͷLNPE·ʱӦʹͭӣͭͷѹǯѹѹ󣬲϶Ӧɫܽš˨м϶ɶLNPE롢ۡ߾Եãˣ߲תֱǣ뱣“U”ͻȣ
2ȵλӵػʩ
   ӵػ豸ӵ߲˨ӴӦͭӣ豸ĵȵλӵ߲ӦС6mmͭߣܽӵ߽ӦС10mm2
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