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电机负载率怎么算?3种量法+现场案例(附公式)

趣闻2025-06-03 09:53:47

鈥滀綘鐬呯瀰杩欑數璐瑰崟瀛愶紝鏈哄櫒鏄庢槑娌″拫鐢紝鐢佃〃鍜嬭繕韫弓璺戯紵锛佲€濃€斺€斺€?strong>鈥嬫柊鎵嬫悶璁惧鏈€鎶撶媯鐨勫氨鏄繖绉嶅満鏅惂锛熲€?/strong>鈥?鐢垫満璐熻浇鐜囧氨鍍忔苯杞︾殑娌归棬娣辨祬锛岃俯灏戜簡娴垂娌癸紝韪╃寷浜嗕激寮曟搸銆備粖澶╁挶灏辨幇鎵€忊€?strong>鈥嬭緭鍏ュ姛鐜囨硶銆佺數娴佹硶銆佹粦宸硶鈥?/strong>鈥嬩笁澶у疄娴嬫嫑寮忥紝闄勮禒宸ュ巶缈昏溅妗堜緥锛屽寘浣犵湅瀹岀鍙樷€滅渷鐢靛皬鑳芥墜鈥濓紒馃憞


馃攲 涓€銆佽緭鍏ュ姛鐜囨硶锛氭帎鐢佃〃灏辫兘绠楋紵

鈥?strong>鈥嬫牳蹇冨叕寮忊€?/strong>鈥嬶細
璐熻浇鐜?= (瀹為檯鍔熺巼 梅 棰濆畾鍔熺巼) 脳 100%
鈥?strong>鈥嬪疄闄呭姛鐜囧拫鏉ワ紵鈥?/strong>鈥?璁颁綇杩欎釜涓囪兘鍏紡锛?br/> 瀹為檯鍔熺巼(kW) = 鈭? 脳 鐢靛帇(V) 脳 鐢垫祦(A) 脳 鍔熺巼鍥犳暟(PF)

鈥?strong>鈥嬫搷浣滀笁姝ヨ蛋鈥?/strong>鈥嬶細

  1. 鈥?strong>鈥嬫祴鐢垫祦鈥?/strong>鈥嬶細閽冲舰琛ㄥ崱浣忕數鏈虹嚎锛堝埆纰伴噾灞烇紒锛?/li>
  2. 鈥?strong>鈥嬭鐢靛帇鈥?/strong>鈥嬶細涓囩敤琛ㄦ祴杈撳叆鐢靛帇锛?80V杩樻槸220V锛熺湅閾墝锛侊級
  3. 鈥?strong>鈥嬫煡鍔熺巼鍥犳暟鈥?/strong>鈥嬶細閾墝鏍囨敞鎴栧姛鐜囧洜鏁拌〃瀹炴祴锛堜竴鑸?.8~0.9锛?/li>

鈥?strong>鈥嬫渚嬫墦鏍封€?/strong>鈥嬶細
鏌愬巶150kW鐢垫満锛岄瀹氱數鍘?00V锛屽姛鐜囧洜鏁?.85銆傚疄娴嬬數娴?00A锛岀數鍘?90V锛?/p>

  • 瀹為檯鍔熺巼 = 1.732 脳 390V 脳 200A 脳 0.85 鈮?鈥?strong>鈥?15kW鈥?/strong>鈥?/li>
  • 璐熻浇鐜?= (115 梅 150) 脳 100% 鈮?鈥?strong>鈥?6.7%鈥?/strong>鈥嬶紙榛勯噾鍖洪棿锛侊級
    馃挕 鈥?strong>鈥嬭娉彁绀衡€?/strong>鈥嬶細鐢靛帇娉㈠姩卤10%锛岃礋杞界巼璇樊鑳藉埌15%锛佲€?strong>鈥嬭溅闂村ぇ璁惧鍚姩鏃跺崈涓囧埆娴嬧€?/strong>鈥嬶紒

鈿?浜屻€佺數娴佹硶锛氭病鍔熺巼琛ㄥ拫鍔烇紵

鈥?strong>鈥嬮€傜敤鍦烘櫙鈥?/strong>鈥嬶細鍙湁閽冲舰琛紒浣嗙簿搴︽墦鍏姌
鈥?strong>鈥嬬畝鍖栧叕寮忊€?/strong>鈥嬶細
璐熻浇鐜?鈮?(瀹炴祴鐢垫祦 梅 棰濆畾鐢垫祦) 脳 100%

鈥?strong>鈥嬪叧閿櫡闃扁€?/strong>鈥嬶細

  • 绌鸿浇鐢垫祦鈮?锛佹瘮濡?7kW鐢垫満绌鸿浇鐢垫祦涔熸湁30A
  • 鈥?strong>鈥嬬湡瀹炶礋杞界巼鍏紡鈥?/strong>鈥嬶細
    璐熻浇鐜?= 鈭歔(瀹炴祴鐢垫祦虏 - 绌鸿浇鐢垫祦虏) 梅 (棰濆畾鐢垫祦虏 - 绌鸿浇鐢垫祦虏)] 脳 100%

鈥?strong>鈥嬪疄鎴橀伩鍧戔€?/strong>鈥嬶細
鏌愪紶閫佸甫鐢垫満閾墝鍐欓瀹氱數娴?2A锛岀┖杞界數娴?8A銆傚疄娴嬬數娴?0A锛?/p>

  • 閿欒绠楁硶锛?50梅72)脳100%=69.4% 鉂?/li>
  • 姝g‘绠楁硶锛氣垰[(50虏-28虏)梅(72虏-28虏)]脳100%= 鈥?strong>鈥?2.1%鈥?/strong>鈥?鉁?br/> 馃槺 鈥?strong>鈥嬪樊璺?7%锛佲€?/strong>鈥?澶ч┈鎷夊皬杞﹀疄閿や簡...

馃搲 涓夈€佹粦宸硶锛氭劅搴旂數鏈轰笓灞烇紒

鈥?strong>鈥嬪師鐞嗏€?/strong>鈥嬶細鐢垫満杞緱瓒婃參锛岃礋杞借秺閲嶏紒
鈥?strong>鈥嬪叕寮忊€?/strong>鈥嬶細
璐熻浇鐜?鈮?(瀹炴祴杞€熷樊 梅 棰濆畾杞€熷樊) 脳 100%
杞€熷樊 = 鍚屾杞€?- 瀹為檯杞€?/code>

鈥?strong>鈥嬪悓姝ヨ浆閫熷拫绠椻€?/strong>鈥嬶紵
鍚屾杞€?rpm) = 120 脳 棰戠巼(Hz) 梅 鐢垫満鏋佹暟
锛堝浗鍐?0Hz鐢电綉锛?鏋?3000rpm锛?鏋?1500rpm锛?/p>

鈥?strong>鈥嬬幇鍦虹炕杞﹀疄褰曗€?/strong>鈥嬶細
鏌愰摑鍘?15kW鍙橀椋庢満锛?鏋佺數鏈猴級锛岄摥鐗岄瀹氳浆閫?60rpm锛?/p>

  • 鍚屾杞€?= 120脳50梅4 = 鈥?strong>鈥?500rpm鈥?/strong>鈥?/li>
  • 棰濆畾杞€熷樊 = 1500 - 960 = 鈥?strong>鈥?40rpm鈥?/strong>鈥?/li>
  • 瀹炴祴杞€?47rpm 鈫?瀹炴祴杞€熷樊 = 1500 - 747 = 鈥?strong>鈥?53rpm鈥?/strong>鈥?/li>
  • 璐熻浇鐜?= (753 梅 540) 脳 100% 鈮?鈥?strong>鈥?39%鈥?/strong>鈥嬶紙涓ラ噸杩囪浇锛侊級
    馃敟 鈥?strong>鈥嬩絾鐢ㄥ姛鐜囨硶澶嶆祴瀹為檯璐熻浇浠?4%鈥?/strong>鈥嬶紒涓哄暐锛?br/> 馃憠 鈥?strong>鈥嬪彉棰戠數鏈鸿浆閫熶笉鍑嗏€?/strong>鈥嬶紒婊戝樊娉曡宸珮杈?5%

馃啔 涓夊ぇ鏂规硶PK琛紙灏忕櫧绉掗€夋寚鍗楋級

鈥?strong>鈥嬫柟娉曗€?/strong>鈥?/th>鈥?strong>鈥嬬簿搴︹€?/strong>鈥?/th>鈥?strong>鈥嬪伐鍏锋垚鏈€?/strong>鈥?/th>鈥?strong>鈥嬮€傜敤鐢垫満鈥?/strong>鈥?/th>鈥?strong>鈥嬪彛璇€鈥?/strong>鈥?/th>
杈撳叆鍔熺巼娉?/td>鈽呪槄鈽呪槄鈽?/td>涓紙闇€鍔熺巼琛級鎵€鏈夌被鍨?/td>鈥?strong>鈥嬧€滄帎鐢佃〃锛屾渶闈犺氨鈥濃€?/strong>鈥?/td>
鐢垫祦娉?/td>鈽呪槄鈽嗏槅鈽?/td>浣庯紙浠呴挸琛級绋虫€佽礋杞界數鏈?/td>鈥?strong>鈥嬧€滄病浠〃锛屽噾鍚堢敤鈥濃€?/strong>鈥?/td>
婊戝樊娉?/td>鈽呪槅鈽嗏槅鈽?/td>浣庯紙杞€熻锛?/td>鏅€氭劅搴旂數鏈?/td>鈥?strong>鈥嬧€滃彉棰戞満锛岀粫閬撹蛋鈥濃€?/strong>鈥?/td>

馃彮 鐖嗛浄妗堜緥锛氭煇閾濆巶鐪佺數鍙嶄簭鐧句竾

2024骞存煇姘у寲閾濆巶鎯宠妭鑳斤紝娴嬪嚭鈥?strong>鈥嬩袱鍙?15kW椋庢満璐熻浇鐜?4%鈥?/strong>鈥嬶紙杈撳叆鍔熺巼娉曪級锛屼絾鍙戠幇锛?/p>

  • 閾墝鏁堢巼95% 鈫?瀹炴祴鏁堢巼浠呪€?strong>鈥?0.2%鈥?/strong>鈥?/li>
  • 鈥?strong>鈥嬪崟鍙扮數鏈哄鑰楃數10搴?灏忔椂鈥?/strong>鈥嬶紒
    鈥?strong>鈥嬮獨鎿嶄綔鈥?/strong>鈥嬶細鎹㈤珮鏁堢數鏈鸿姳80涓囷紝缁撴灉锛?/li>
  • 鏂扮數鏈烘晥鐜?5.8% 鈫?骞寸渷鐢佃垂鈥?strong>鈥?5.6涓団€?/strong>鈥?/li>
  • 鈥?strong>鈥嬪洖鏈5.1骞粹€?/strong>鈥嬶紒锛堝師鐢垫満杩樿兘鐢?0骞?..琛€浜忥級
    鉁?鈥?strong>鈥嬫纭Э鍔库€?/strong>鈥嬶細鍏堟礂杞存壙+璋冪毊甯︼紒瀹炴祴璐熻浇鐜囧崌鍒?1%锛屾晥鐜囨彁鍒?2.3%锛屸€?strong>鈥嬮浂鎴愭湰鐪佺數7%鈥?/strong>鈥嬶紒

馃拵 鐙鏁版嵁锛堟妱杩戦亾蹇呭锛?/h3>
  1. 鈥?strong>鈥嬮粍閲戣礋杞藉尯闂粹€?/strong>鈥嬶細
    • 鏅€氱數鏈猴細鈥?strong>鈥?5%~80%鈥?/strong>鈥嬶紙鏁堢巼锛?5%宄板€硷級
    • 浼烘湇鐢垫満锛氣€?strong>鈥?0%~70%鈥?/strong>鈥嬶紙鐣欏姞閫熶綑閲忥級
  2. 鈥?strong>鈥嬬渷鐢垫晱鎰熷尯鈥?/strong>鈥嬶細
    • 璐熻浇锛?0%锛氭晥鐜囨毚璺?0%+锛岃刀绱ч檷鍔熺巼锛?/li>
    • 璐熻浇锛?0%锛氭俯鍗囬10鈩冿紝瀵垮懡鐮嶅崐
  3. 鈥?strong>鈥嬪贰妫€绁炲櫒鈥?/strong>鈥嬶細
    姣忔湀娴嬩竴娆$數娴侊紝娉㈠姩锛?5%灏辨姤璀︹€斺€斺€?strong>鈥嬫垚鏈?姣涚殑淇濋櫓鏉犫€?/strong>鈥嬶紒

鏈€鍚庣敥鍙ュぇ瀹炶瘽锛氣€?strong>鈥嬪埆姝荤閾墝鏁版嵁锛佲€?/strong>鈥?鏌愬巶瀹炴祴37kW鐢垫満绌鸿浇鐢垫祦浠?8A婕傚埌35A锛堣酱鎵块攬浜嗭級锛岃礋杞界巼鍑┖澶氱畻20%銆傗€?strong>鈥嬫懜鐢垫満娓╁害姣旂畻鏁版洿瀹炲湪鈥?/strong>鈥嬧€斺€旂儷鎵嬶紴60鈩冿紵璧剁揣鏌ヨ礋杞斤紒锛堟俯鏋瘮鍏紡濂戒娇馃槀锛?/p>

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