




从20世纪60年代开始,以丹佛斯为代表的高技术企业开始批量化生产变频器,开启了变频器工业化的新时代。直到21世纪后,我国本土变频器才逐步崛起。目前我国高端变频器市场市场长期以来被国外品牌所垄断。
由于市场极具诱惑力,潜在容量十分可观,不断吸引着行业新参与者进入,而现有市场业已形成一定规模,发展日渐成熟,未来的资源掠夺、市场争战将是必然。随着技术上不断进步,产品质量的稳定性逐渐提升,加上服务和价格等方面的优势,国内厂家的竞争力将愈加强大。
有统计数据显示,近年来中国变频器产品行业工业总产值增长迅速。在与国外知名变频器品牌的产品竞争中,业内人士认为国内变频器企业在巩固中低压变频器市场地位的同时,应加速推进高端化的产品结构转型,通过与变频器用户深入交流,应用前沿技术,开发生产令用户满意的高端变频器产品,利用产品研发和产品创新,建立品牌优势,实现品牌发展。
矢量控制是基于理论上认为:异步电动机与直流电动机具有相同的转矩产生机理。矢量控制方式就是将定子电流分解成规定的磁场电流和转矩电流,分别进行控制,同时将两者合成后的定子电流输出给电动机。因此,从原理上可得到与直流电动机相同的控制性能。采用转矩矢量控制功能,电动机在各种运行条件下都能输出大转矩,尤其是电动机在低速运行区域。
现在的变频器几乎都采用无反馈矢量控制,由于变频器能根据负载电流大小和相位进行转差补偿,使电动机具有很硬的力学特性,对于多数场合已能满足要求,不需在变频器的外部设置速度反馈电路。这一功能的设定,可根据实际情况在有效和无效中选择一项即可。
与之有关的功能是转差补偿控制,其作用是为补偿由负载波动而引起的速度偏差,可加上对应于负载电流的转差频率。这一功能主要用于定位控制。
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EABBG1-0.75G-A3
EABBG1-1.5G-A3
EABBG1-2.2G-A3
EABBG1-4G/5.5P-A3
EABBG1-5.5G/7.5P-A3
EABBG1-7.5G/11P-A3
EABBG1-11G/15P-A3
EABBG1-15G/18.5P-A3
EABBG1-18.5G/22P-A3
EABBG1-22G/30P-A3
EABBG1-30G/37P-A3
EABBG1-37G/45P-A3
EABBG1-45G/55P-A3
EABBG1-55G/75P-A3
EABBG1-75G/93P-A3
EABBG1-93G/110P-A3
EABBG1-110G/132P-A3
EABBG1-132G/160P-A3
EABBG1-160G/185P-A3
EABBG1-185G/200P-A3
EABBG1-200G/220P-A3
EABBG1-220G-A3
EABBG1-250G-A3
EABBG1-280G-A3
EABBG1-315G-A3
EABBG1-350G-A3
EABBG1-400G-A3
EABBG1-450G-A3
EABBG1-500G-A3
EABBG1-630G-A3
RDI67-0.75KW G 380V
RDI67-1.5KW G 380V
RDI67-2.2KW G 380V
RDI67-4KW G 380V
RDI67-5.5KW G 380V
RDI67-7.5KW G 380V
RDI67-11KW G 380V
RDI67-15KW G 380V
RDI67-18.5KW G 380V
RDI67-22KW G 380V
RDI67-30KW G 380V
RDI67-37KW G 380V
RDI67-45KW G 380V
RDI67-55KW G 380V
RDI67-75KW G 380V
RDI67-90KW G 380V
RDI67-110KW G 380V
RDI67-132KW G 380V
RDI67-160KW G 380V
RDI67-200KW G 380V
RDI67-250KW G 380V
RDI67-280KW G 380V
RDI67-400KW G 380V
FR-A840-00023-2-60
FR-A840-00038-2-60
FR-A840-00052-2-60
FR-A840-00083-2-60
FR-A840-00126-2-60
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FR-A840-00380-2-60
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FR-A820-01540-2-60
FR-A820-01870-2-60
FR-A820-02330-2-60
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FR-A820-03800-2-60
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FR-F840-00023-2-60
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FR-F820-0.75K-1
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FR-D720S-1.5K-CHT
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FR-E720S-0.4K-CHT
FR-E720S-0.75K-CHT
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FR-E720S-2.2K-CHT
YT880N0.7MB
YT880N1.5MB
YT880N2.2MB
YT880L0.7MB
YT880L1.5MB
YT880L2.2MB
YT900N0.7GB
YT900N1.5GB
YT900N2.2GB
YT900L0.7GB
YT900L1.5GB
YT900L2.2GB
YT900L4.0GB/5.5P
YT900L5.5GB/7.5P
YT900L7.5GB/11P
YT900L11GB/15P
YT900L15G/18P
YT900L18G/22P
YT900L22G/30P
YT900L30G/37P
YT900L37G/45P
YT900L45G/55P
YT900L55G/75P
YT900L75G/93P
YT900L93G/110P
YT900L110G/132P
YT900L132G/160P
YT900L160G/185P
YT900L185G/200P
YT900L200G/220P
YT900L220G/250P
YT900L250G/280P
YT900L280G/315P
YT900L315G/350P
YT900L350G
YT900L400G
YT900L500G
YT1000N0.7GB
YT1000N1.5GB
YT1000N2.2GB
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YT1000L1.5GB
YT1000L2.2GB
YT1000L4.0GB/5.5P
YT1000L5.5GB/7.5P
YT1000L7.5GB/11P
YT1000L11GB/15P
YT1000L15GB/18P
YT1000L18G/22P
YT1000L22G/30P
YT1000L30G/37P
YT1000L37G/45P
YT1000L45G/55P
YT1000L55G/75P
YT1000L75G/93P
YT1000L93G/110P
YT1000L110G/132P
YT1000L132G/160P
YT1000L160G/185P
YT1000L185G/200P
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YT1000L220G/250P
YT1000L250G/280P
YT1000L280G/315P
YT1000L315G/350P
YT1000L350G
YT1000L400G
YT1000L500G
RKV1-P 5.5kW
RKV1-P 7.5kW
RKV1-P 11kW
RKV1-P 15kW
RKV1-P 18.5kW
RKV1-P 22kW
RKV1-P 30kW
RKV1-P 37kW
RKV1-P 45kW
RKV1-P 55kW
RKV1-P 75kW
RKV1-P 93kW
RKV1-P 110kW
RKV1-P 132kW
RKV1-P 160kW
RKV1-P 185kW
RKV1-P 200kW
RKV1-P 220kW
RKV1-P 250kW
RKV1-P 280kW
RKV1-P 315kW
RKV1-P 350kW
RKV1-P 400kW
RKV1-P 500kW
RKV1-P 560kW
RKV1-G 0.75kW 220V
RKV1-G 1.5kW 220V
RKV1-G 2.2kW 380V
RKV1-G 4kW 380V
RKV1-G 5.5kW 380V
RKV1-G 7.5kW 380V
RKV1-G 0.75kW 380V
RKV1-G 1.5kW 380V
RKV1-G 11kW 380V
RKV1-G 15kW 380V
RKV1-G 18.5kW 380V
RKV1-G 22kW 380V
RKV1-G 30kW 380V
RKV1-G 37kW 380V
RKV1-G 45kW 380V
RKV1-G 55kW 380V
RKV1-G 75kW 380V
RKV1-G 93kW 380V
RKV1-G 110kW 380V
RKV1-G 132kW 380V
RKV1-G 160kW 380V
RKV1-G 185kW 380V
RKV1-G 200kW 380V
RKV1-G 220kW 380V
RKV1-G 250kW 380V
RKV1-G 280kW 380V
RKV1-G 315kW 380V
RKV1-G 355kW 380V
RKV1-G 400kW 380V
RKV1-G 500kW 380V
RKV1-G 560kW 380V
RKV1-G 630kW 380V
SRM8000-0.75KW-T4
SRM8000-1.5KW-T4
SRM8000-2.2KW-T4
SRM8000-4KW-T4
SRM8000-5.5KW-T4
SRM8000-7.5KW-T4
SRM8000-11KW-T4
SRM8000-15KW-T4
SRM8000-18.5KW-T4
SRM8000-22KW-T4
SRM8000-30KW-T4
SRM8000-37KW-T4
SRM8000-45KW-T4
SRM8000-55KW-T4
SRM8000-75KW-T4
SRM8000-90KW-T4
SRM8000-115KW-T4
SRM8000-132KW-T4
SRM8000-160KW-T4
SRM8000-185KW-T4
SRM8000-200KW-T4
SRM8000-220KW-T4
SRM8000-250KW-T4
SRM8000-280KW-T4
SRM8000-315KW-T4
SRM8000-350KW-T4
SRM8000-400KW-T4
SRM8000-450KW-T5
SRM8000-500KW-T5