產(chǎn)品詳情
FR - HCR2 - H560K 是三菱電機(jī)專為大功率工業(yè)電力系統(tǒng)打造的限流電阻，常配套 FR - HC2 系列高功率因數(shù)變流器使用，核心作用是抑制設(shè)備啟動(dòng)時(shí)的浪涌電流，保障大功率變流系統(tǒng)穩(wěn)定啟動(dòng)與運(yùn)行，廣泛適配鋼鐵、化工、重型機(jī)械等領(lǐng)域的 560kW 級(jí)大功率設(shè)備供電系統(tǒng)。以下是其超千字的詳細(xì)介紹：
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核心基礎(chǔ)參數(shù)與物理特性
- 適配功率與電氣適配性：該器件專為 560kW 級(jí)大功率場(chǎng)景設(shè)計(jì)，匹配三菱 FR - HC2 - H560K 等高功率因數(shù)變流器，是對(duì)應(yīng)功率等級(jí)變流系統(tǒng)的核心配套部件。其適配的電力系統(tǒng)為三相 400V 級(jí)，可兼容 380 - 500V 的寬電壓輸入范圍，能應(yīng)對(duì)工業(yè)電網(wǎng)中常見(jiàn)的電壓波動(dòng)，適配 50/60Hz 通用工頻標(biāo)準(zhǔn)，無(wú)需因地域電網(wǎng)頻率差異進(jìn)行額外調(diào)整，適配全球多數(shù)工業(yè)用電場(chǎng)景。從系統(tǒng)協(xié)同性來(lái)看，它與同功率等級(jí)的整流單元、濾波電容等部件電氣參數(shù)高度匹配，可無(wú)縫融入大功率共直流母線系統(tǒng)。
- 結(jié)構(gòu)與安裝規(guī)格：該限流電阻有帶溫控器（BKO - CA1996H31）和不帶溫控器（BKO - CA1996H21）兩種版本，基板厚度均為 2.5mm，這種基板規(guī)格既能保證結(jié)構(gòu)強(qiáng)度，又能滿足散熱需求。安裝方面，手冊(cè)明確要求需用螺釘或螺栓將其牢固安裝在水平或垂直平面上，防止設(shè)備運(yùn)行中的振動(dòng)導(dǎo)致松動(dòng)，保障電路連接穩(wěn)定性。其外形尺寸與同系列 H280K、H400K 等型號(hào)保持設(shè)計(jì)一致性，方便成套設(shè)備的標(biāo)準(zhǔn)化安裝與布局，且可與 FR - HCC2 系列濾波電容、FR - HCL2 系列電抗器等部件按固定接線規(guī)范組合安裝，簡(jiǎn)化了成套系統(tǒng)的布線流程。
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核心功能與工作原理
- 浪涌電流抑制核心作用：工業(yè)大功率變流系統(tǒng)啟動(dòng)時(shí)，電容等儲(chǔ)能元件會(huì)產(chǎn)生瞬時(shí)超大浪涌電流，極易燒毀整流橋、電容等核心元器件。FR - HCR2 - H560K 通過(guò)自身電阻特性，在系統(tǒng)啟動(dòng)瞬間接入電路，限制充電電流的上升速率，大幅降低浪涌電流峰值。待系統(tǒng)完成啟動(dòng)、母線電壓穩(wěn)定后，電路中的接觸器會(huì)將該限流電阻短接，避免其長(zhǎng)期工作產(chǎn)生能耗與損耗，既實(shí)現(xiàn)了啟動(dòng)保護(hù)，又不影響系統(tǒng)正常運(yùn)行效率。這種 “啟動(dòng)接入，穩(wěn)態(tài)斷開(kāi)” 的工作模式，是大功率變流系統(tǒng)延長(zhǎng)使用壽命的關(guān)鍵保障。
- 與系統(tǒng)協(xié)同的輔助功能：它可配合 FR - HC2 系列變流器實(shí)現(xiàn)共直流母線系統(tǒng)的穩(wěn)定運(yùn)行。在多臺(tái)變頻器共用直流母線的場(chǎng)景中，多臺(tái)設(shè)備同時(shí)啟停時(shí)的電流沖擊更為復(fù)雜，該限流電阻能協(xié)同多組濾波電容、電抗器，均衡各支路啟動(dòng)電流，防止單支路電流過(guò)大破壞系統(tǒng)平衡。同時(shí)，帶溫控器的版本可實(shí)時(shí)監(jiān)測(cè)電阻工作溫度，當(dāng)出現(xiàn)異常過(guò)熱情況時(shí)，能及時(shí)觸發(fā)保護(hù)信號(hào)，與系統(tǒng)的整體保護(hù)機(jī)制聯(lián)動(dòng)，避免因電阻過(guò)熱引發(fā)火災(zāi)等安全隱患，進(jìn)一步提升了系統(tǒng)的安全冗余。此外，它還能輔助改善系統(tǒng)的電磁兼容性，減少啟動(dòng)時(shí)電流突變產(chǎn)生的電磁干擾，保障周邊控制電路的穩(wěn)定工作。
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性能優(yōu)勢(shì)與可靠性設(shè)計(jì)
- 高適配性與兼容性：該型號(hào)屬于 FR - HCR2 系列，該系列包含 H280K、H400K、H560K 等多個(gè)功率等級(jí)型號(hào)，各型號(hào)在安裝接口、控制邏輯上保持統(tǒng)一標(biāo)準(zhǔn)，方便用戶根據(jù)設(shè)備功率升級(jí)或降級(jí)時(shí)進(jìn)行部件替換。其不僅適配三菱自有品牌的變流系統(tǒng)，在符合電氣規(guī)范的前提下，也可與其他品牌同參數(shù)等級(jí)的大功率變流器配套使用，兼容性較強(qiáng)。同時(shí)，它能適配持續(xù)再生運(yùn)行等復(fù)雜工況，比如流水線、起重設(shè)備等頻繁啟停的場(chǎng)景，可反復(fù)承受啟動(dòng)時(shí)的電流沖擊，性能穩(wěn)定性不受工況復(fù)雜度影響。
- 強(qiáng)環(huán)境適應(yīng)與長(zhǎng)壽命設(shè)計(jì)：作為工業(yè)級(jí)部件，其采用耐高溫、耐腐蝕的電阻材料與基板材質(zhì)，可適應(yīng)工業(yè)車間常見(jiàn)的粉塵、潮濕等環(huán)境。搭配變流系統(tǒng)的強(qiáng)制通風(fēng)冷卻方式，能有效散除啟動(dòng)時(shí)產(chǎn)生的瞬時(shí)熱量，避免高溫積累導(dǎo)致的電阻老化。從系統(tǒng)壽命協(xié)同性來(lái)看，其設(shè)計(jì)壽命與 FR - HC2 系列變流器匹配度高，減少了成套設(shè)備中因單一部件提前損壞導(dǎo)致的頻繁停機(jī)維護(hù)。此外，其電路連接點(diǎn)經(jīng)過(guò)強(qiáng)化處理，能抵抗工業(yè)環(huán)境中的振動(dòng)與電磁侵蝕，降低接觸不良等故障風(fēng)險(xiǎn)。
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系統(tǒng)集成與應(yīng)用場(chǎng)景
- 標(biāo)準(zhǔn)化系統(tǒng)集成方案：在實(shí)際應(yīng)用中，它需按固定接線規(guī)范融入系統(tǒng)，通常安裝在電抗器 1 的輸出側(cè)或限流接觸器的輸入側(cè)，與濾波電容、電抗器等部件構(gòu)成完整的前端保護(hù)電路。接線時(shí)需注意與報(bào)警檢測(cè)器的常閉觸點(diǎn)、緩沖繼電器等元件聯(lián)動(dòng)，確保異常情況下能及時(shí)切斷電路。系統(tǒng)中還可通過(guò)參數(shù) Pr.32 查看限流電路中繼電器、接觸器及該限流電阻的使用壽命，便于提前規(guī)劃維護(hù)，減少突發(fā)故障。
- 多元化工業(yè)應(yīng)用場(chǎng)景：在鋼鐵行業(yè)，它可配套大功率變流器用于軋鋼機(jī)、連鑄機(jī)等設(shè)備的供電系統(tǒng)，這些設(shè)備啟動(dòng)時(shí)功率需求極大，該限流電阻能保障供電系統(tǒng)穩(wěn)定啟動(dòng)，避免因電流沖擊導(dǎo)致生產(chǎn)中斷；在重型機(jī)械領(lǐng)域，如礦山提升機(jī)、港口起重機(jī)等，設(shè)備頻繁啟停產(chǎn)生的浪涌電流危害顯著，該部件可有效延長(zhǎng)其供電系統(tǒng)的使用壽命。此外，在化工行業(yè)的大型壓縮機(jī)、水泥行業(yè)的回轉(zhuǎn)窯驅(qū)動(dòng)系統(tǒng)等大功率設(shè)備中，它也是保障成套電氣設(shè)備安全運(yùn)行的關(guān)鍵配套部件，助力這些行業(yè)實(shí)現(xiàn)連續(xù)、穩(wěn)定的工業(yè)化生產(chǎn)。
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維護(hù)要點(diǎn)與安全規(guī)范
- 日常維護(hù)與檢測(cè)：日常需定期檢查其安裝固件是否松動(dòng)，基板有無(wú)變形、灼燒痕跡，接線端子是否氧化、松動(dòng)。對(duì)于帶溫控器的版本，要檢測(cè)溫控信號(hào)傳輸是否正常，確保過(guò)熱時(shí)能及時(shí)觸發(fā)保護(hù)。結(jié)合系統(tǒng)參數(shù) Pr.32 的壽命提示，當(dāng)接近使用壽命閾值時(shí)，需提前采購(gòu)備件進(jìn)行更換。同時(shí)，要保持其安裝區(qū)域的通風(fēng)通暢，避免粉塵堆積影響散熱。
- 安全操作規(guī)范：安裝與更換時(shí)必須切斷上級(jí)電源，并等待母線電容完全放電，防止觸電風(fēng)險(xiǎn)。嚴(yán)禁將易燃物放置在該電阻附近，因其啟動(dòng)時(shí)會(huì)產(chǎn)生瞬時(shí)熱量，若接觸易燃物可能引發(fā)安全事故。此外，非專業(yè)人員不得擅自更改其接線方式或拆卸部件，維修需由具備資質(zhì)的技術(shù)人員按手冊(cè)規(guī)范操作，避免因操作不當(dāng)損壞整個(gè)變流系統(tǒng)。
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FR-HCR2-H560K FR-HCM2-H560K FR-EJ740-0.4K-CHT FR-EJ740-0.75K-CHT FR-EJ740-1.5K-CHT FR-EJ740-2.2K-CHT FR-EJ740-3.7K-CHT FR-EJ740-5.5K-CHT FR-EJ740-7.5K-CHT FR-ASF-H15K FR-BMF-H15K FR-D720-0.4K-60 FR-D720-0.75K-60 FR-A7PS FR-A840-03250-2-60 FR-A840-03610-2-60 FR-A840-04320-2-60 FR-A840-04810-2-60 FR-A840-05470-2-60 FR-A840-06100-2-60 FR-A840-06830-2-60 FR-D720EX-1.5K-14 FR-BU2-7.5K FR-ABR-11K FR-HEL-15K FR-A8APR FR-A8AZ FR-D720S-025-EC FR-D710W-042-NA FR-D710W-025-NA FR-A8CN03 SF-PR-CN 55kW 4P 380V 50Hz FR-F840-00023-2-60 FR-F840-00038-2-60 FR-F840-00052-2-60 FR-F840-00083-2-60 FR-F840-00126-2-60 FR-F840-00170-2-60 FR-F840-00250-2-60 FR-F840-00310-2-60 FR-F840-00380-2-60 FR-F840-00470-2-60 FR-F840-00620-2-60 FR-F840-00770-2-60 FR-F840-00930-2-60 FR-F840-01160-2-60 FR-F840-01800-2-60 FR-F840-02160-2-60 FR-F840-02600-2-60 FR-F840-03250-2-60 FR-F840-03610-2-60 FR-F840-04320-2-60 FR-F840-04810-2-60 FR-F840-05470-2-60 FR-F840-06100-2-60 FR-F840-06830-2-60 FR-F820-0.75K-1 FR-F820-1.5K-1 FR-F820-2.2K-1 FR-F820-3.7K-1 FR-F820-5.5K-1 FR-F820-7.5K-1 FR-F820-11K-1 FR-F820-15K-1 FR-F820-18.5K-1 FR-F820-22K-1 FR-F820-30K-1 FR-F820-37K-1 FR-F820-45K-1 FR-F820-55K-1 FR-F820-75K-1 FR-F820-90K-1 FR-F820-110K-1 FR-A8TP FR-HEL-90K FR-HEL-110K FR-HEL-H355K FR-F840-00023-2-60(J) FR-F840-01800-2-60(J) FR-F840-03250-2-60(J) FR-HEL-H315K SF-PR-CN 5.5kW 2P 380V 50Hz SF-PR-CN 7.5kw 2P 380V 50HZ SF-PR-CN 15kw 2P 380V 50HZ SF-PRV-CN 3.7kw 2P 380V 50HZ A8NPRT_2P A8NEIP_2P FR-A8NS SF-PR-CN 7.5kw 4P 380V 50HZ SF-PR-CN 15kw 4P 380V 50HZ FR-D740-0.75K FR-D740-1.5K FR-F820-00105-2-60 FR-F820-00340-2-60 FR-ABR-0.4K FR-A840-00023-2-60CRN FR-F820-00046-2-60 FR-F820-00167-2-60 FR-LU08-01 FR-HEL-5.5K FR-ABR-15K FR-A840-30K-1 FR-A8AL FR-A8NCA FR-A840-5.5K-1 FR-A840-11K-1 FR-F842-07700-2-60 FR-CC2-H400K-60 SF-PRP 15KW 4P 380V 50HZ FR-A8NF FR-CC2-H560K-60P FR-A842-12120-2-60P SF-PR-CN 0.75KW 4P 380V 50HZ SF-PR-CN 1.5KW 4P 380V 50HZ SF-PR-CN 2.2KW 4P 380V 50HZ SF-PR-CN 3.7KW 4P 380V 50HZ SF-PR-CN 5.5KW 4P 380V 50HZ SF-PR-CN 11KW 4P 380V 50HZ SF-PR-CN 18.5KW 4P 380V 50HZ SF-PR-CN 22KW 4P 380V 50HZ SF-PR-CN 30KW 4P 380V 50HZ SF-PR-CN 37KW 4P 380V 50HZ SF-PR-CN 45KW 4P 380V 50HZ SF-PR-CN 22KW 6P 380V 50HZ FR-A840-00023-2-60R2R FR-A840-00038-2-60R2R FR-A840-00052-2-60R2R FR-A840-00083-2-60R2R FR-A840-00126-2-60R2R FR-A840-00170-2-60R2R FR-A840-00250-2-60R2R FR-A840-00310-2-60R2R FR-A840-00380-2-60R2R FR-A840-00470-2-60R2R FR-A840-00620-2-60R2R FR-A840-00770-2-60R2R FR-A840-00930-2-60R2R FR-A840-01160-2-60R2R FR-A840-01800-2-60R2R FR-A840-02160-2-60R2R FR-A840-02600-2-60R2R FR-A840-03250-2-60R2R FR-A840-03610-2-60R2R FR-A840-04320-2-60R2R FR-A840-04810-2-60R2R FR-A840-05470-2-60R2R FR-A840-06100-2-60R2R FR-A840-06830-2-60R2R FR-HAL-H355K FR-A842-07700-2-60 FR-A842-08660-2-60 FR-A842-09620-2-60 FR-A842-10940-2-60 FR-A842-12120-2-60 FR-CC2-H315K-60 FR-CC2-H355K-60 FR-CC2-H450K-60 FR-CC2-H500K-60 FR-CC2-H560K-60 FR-CC2-H630K-60 FR-A840-0.4K-1 FR-A840-15K-1 FR-A840-75K-1 FR-A840-90K-1 FR-A820-3.7K-1-60 FR-A820-11K-1 FR-A820-18.5K-1 FR-A820-22K-1 FR-A820-30K-1 FR-A820-37K-1 FR-BU2-H220K FR-A840-00052-1-60 FR-A840-00126-1-60 FR-A840-00250-1-60 FR-A820-0.4K-1 FR-A840-2.2K-1 FR-A840-3.7K-1 FR-F840-00620-2-06 FR-F840-00770-2-06 FR-E720EX-0.75K GV-SF-L 0.4KW FR-D710W-0.1K FR-D710W-0.2K FR-F842-08660-2-60 FR-F842-09620-2-60 FR-F842-10940-2-60 FR-F842-12120-2-60 FR-A840-0.75K-1 FR-A8CN02 FR-A8CN06 FR-A8CN01 FR-A8CN05 FR-A840-1.5K-1 SF-PRB-CN 0.75KW 4P 380V 50HZ SF-PRB-CN 1.5KW 4P 380V 50HZ SF-PRB-CN 2.2KW 4P 380V 50HZ FR-A820-00046-2-60R2R FR-A820-00077-2-60R2R FR-A820-00105-2-60R2R FR-A820-00167-2-60R2R FR-A820-00250-2-60R2R FR-A820-00340-2-60R2R FR-A820-00490-2-60R2R FR-A820-00630-2-60R2R FR-A820-00770-2-60R2R FR-A820-00930-2-60R2R FR-A820-01250-2-60R2R FR-A820-01540-2-60R2R FR-A820-01870-2-60R2R FR-A820-02330-2-60R2R FR-A820-03160-2-60R2R FR-A820-03800-2-60R2R FR-A820-04750-2-60R2R FR-E740-0.4KNC-60 FR-F820-00077-2-60 FR-F820-00250-2-60 FR-F820-00490-2-60 FR-F820-00630-2-60 FR-F820-00770-2-60 FR-F820-00930-2-60 FR-F820-01250-2-60 FR-F820-01540-2-60 FR-F820-01870-2-60 FR-F820-02330-2-60 FR-F820-03160-2-60 FR-F820-03800-2-60 FR-F820-04750-2-60 FR-CS84-012-60 FR-CS84-022-60 FR-CS84-036-60 FR-CS84-050-60 FR-CS84-080-60 FR-CS84-120-60 FR-CS84-160-60 FR-F840-00170-2-06 FR-F840-00250-2-06 FR-F840-00310-2-06 FR-F840-00380-2-06 FR-F840-00470-2-06 FR-CS84-230-60 FR-CS84-295-60 FR-CS82S-025-60 FR-CS82S-042-60 FR-CS82S-070-60 FR-CS82S-100-60 SF-PRP-CN 15KW 4P 380V 50HZ SF-PRV-CN 0.75KW 4P 380V 50HZ SF-PRV-CN 1.5KW 4P 380V 50HZ SF-PRV-CN 2.2KW 4P 380V 50HZ SF-PRV-CN 3.7KW 4P 380V 50HZ SF-PRV-CN 5.5KW 4P 380V 50HZ FR-A840-00038-E2-60 FR-A840-00052-E2-60 FR-A840-00083-E2-60 BU-3700-TEIKOUKI GRZG200 GM-D 0.4KW 4P 1/40 380V 50HZ FR-A840-00126-E2-60 FR-A840-00170-E2-60 FR-A840-00250-E2-60 FR-A840-00310-E2-60 FR-A840-00380-E2-60 FR-A840-00470-E2-60 FR-F840-00023-E2-60 FR-F840-00038-E2-60 FR-F840-00052-E2-60 FR-F840-00083-E2-60 GM-SHYPF-RH 0.75KW 4P 1/100 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