高饱和磁感应强度-有效缩小共模电感体积 high saturate induction—reduce volume of cmc，优良的阻抗-频率特性 excellent impedance frequency characteristic
一、产品介绍（introduction）：
按照客户对铁芯产品不同的磁性能要求，选取合适成分和等级带材卷绕成所需规格铁芯，在保护气氛中进行磁场热处理，获取磁性能满足客户要求的纳米晶态铁芯，按客户要求进行封装保护。
at&m will select ribbon with suitable composition and level to wind cores based the performance requirements from customers. then cores will be annealed in magnetic field to meet customers’ requirements. finally cores will be packaged according to customer’s requirements.
二、产品特点（characteristic）：
—高饱和磁感应强度-有效缩小共模电感体积
high saturate induction—reduce volume of cmc
—优良的阻抗-频率特性
excellent impedance frequency characteristic
—突出的抗不平衡电流能力
outstanding ability to resist unbalanced current
—优良的温度稳定性
excellent thermal stability
三、产品应用（application）：
与铁氧体相比较，纳米晶具有更高的居里温度，即使在高达180℃的高温时，也能可靠地工作；纳米晶具有更高的磁导率和更高的饱和磁感应强度，纳米晶铁芯可以大幅减少重量、体积，铜绕组的功率损耗通常为铁氧体的50-70%。适用于变频驱动、ev控制器、变频空调、液晶电视、电陶炉等消费电子设备，同时也适用于逆变焊机等工业电源领域的emc治理。
nanocrystalline alloy has higher curie temperature compared with ferrite and can stably work even at 180℃; it has higher permeability and saturated inductance. the weight and volume of the nanocrystalline cores are reduced. usually, the power loss of copper windings is only 50 - 70% of ferrite. nanocrystalline cores are widely applied to variable frequency drive, ev controller , air-conditioner, lcd tv, induction cooker and other consumer electronics as well as emc solution of industrial power supply such as welding machines.
1.电动汽车/混合动力汽车（ev/phev）
2.变频空调(variable frequency air conditioner）
3.电磁炉(induction cooker ）
4.逆变焊机 (inverter welding machine)
四、不同带厚纳米晶铁芯损耗对比：
五、纳米晶与铁氧体铁芯性能对比（magnetic performance comparison between nanocrystalline and ferrite cores）：
基本性能对比 (basic performance comparison)
六、应用原理及实例介绍（ principle and practical application）：
1.变频传动变频器（variable-frequency drive device ）
变频器是应用变频技术与微电子技术，通过改变电机工作电源频率方式来控制交流电动机的电力控制设备。变频器主要由整流（交流变直流）、滤波、逆变（直流变交流）、制动单元、驱动单元、检测单元、微处理单元等组成。变频器靠内部igbt的开断来调整输出电源的电压和频率，根据电机的实际需要来提供其所需要的电源电压，进而达到节能、调速的目的，随着工业自动化程度的不断提高，变频器也得到了非常广泛的应用。低磁导率纳米晶大共模电感铁芯适用于≤1000v的低压变频器，能有效抑制变频器产生的共模干扰。
frequency converter is electricity control equipment which uses variable and micro electronics technologies to control an ac motor through changing frequency of power supply for the motor. it is composed of rectifier (ac-dc), filters, inverters (dc-ac), brake unit, drive unit, test unit, micro-processing unit, etc. it adjusts the output voltage and frequency by switching internal igbt and provides required power supply voltage for energy conservation and speed control. it is widely applied as the industrial automation improves continuously. low-frequency common mode choke cores are used for low voltage inverter(≤1000v) and effectively suppress the interferences.
2.光伏发电逆变器（ pv inverter）
适用于500kw、1mw大功率集中式光伏逆变器。高磁导率大共模电感铁芯适用于大功率光伏逆变器交流侧emc滤波，利用铁芯的高电感能有效减少铁芯数量达到很好的滤波效果；低磁导率大共模电感铁芯适用于大功率光伏逆变器直流侧emc滤波，该类铁芯电感频率特性好，能有效抵抗不平衡直流分量，避免铁芯饱和造成的烧毁。
at&m cmc cores are applied to 500kw & 1mw centralized pv inverters. high-permeability cmc cores are applied to emc filters near to ac output of high-power pv inverters. the better emi suppression effect can be reached by less quantity of cmc cores due to high induction performance. low- permeability cmc cores are applied to emc filters near to dc output of high-power pv inverters. low-permeability cmc cores have excellent inductance performance depend on frequency and effective anti-dc bias performance to avoid the damage from saturated inductance.
3.风力发电变流器（wind power converter ）
适用于1mw、1.5mw、2mw、3mw等直驱和双馈变流器。采用数只纳米晶铁芯堆垛组装的单匝扼流圈是轴承电流问题的有效pg电子平台的解决方案，也是风力发电、大范围变速驱动及其他应用产生的大电流干扰（峰值从几十到100多安培）导致的超高共模噪音问题的有效pg电子平台的解决方案。这些问题通常表现为高频尖峰电流的形式。安泰科技股份有限公司生产的共模组件能轻松安全的集成到这些现有领域解决出现的问题。共模组件可由两种不同内径的磁环装配而成。组件按所需的饱和电流和电感定制设计，允许单选磁环，也可数只组装（最多7只）。
at&m cmc cores are applied to direct-drive and double-fed converters covering 1mw、1.5mw、2mw、3mw, etc. the choke design of stacking several nanocrystalline cores are effective solution for big bear current problems. meanwhile it is also effective emi solution caused by big current interfere (dozens to more than 100 a) for wind energy, variable-speed drive and other application. all those problems usually are reflected in high-frequency peak current and easily solved by at&m stacking cmc cores design. the stacking ways are depend on saturated current and induction. customer can select one core or stacked cores(up to 7 cores).
4.电动汽车/混合动力汽车（ev/phev）
纳米晶共模电感越来越多地应用在纯电动汽车和混合动力汽车的车载充电机中。在温度高达180℃时，纳米晶铁芯可安全和长期运行；受其应用温度范围~100℃限制，铁氧体铁芯不能满足使用要求。
nanocrystalline common mode is more and more applied to on-board charger of the battery electric vehicle and hybrid electric vehicle. even under temperature as high as 180℃ , nanocrystalline cores can work safely over long term; restricted by the temperature limit of around 100℃, ferrite cores can’t meet the requirement.
5.气体绝缘开关设备（gas insulated switchgears）
气体绝缘开关设备(gis)是非常可靠的电力传输网络的组件。在过去的几年,系统电压达到1.2千伏。gis的切换操作可能导致危险的瞬态电压(vfto)。在内部导体上同心的安装纳米晶铁芯作为单匝的电抗器，可以有效地抑制这些破坏性的高频(~15 mhz)电压。其他的铁芯材料如铁氧体不能解决这个问题。
gis is reliable equipment for power transmission. the system voltage has been up to 1.2kv during past years. the switch operation of gis may lead to danger vfto. the reactors with nanocrystalline cores can prevent the damage from high frequency voltage (~15 mhz). other materials cannot solve this problem such as ferrite.
6.高能粒子加速器（high energy particle accelerator）
由于纳米晶具有至少1.2特斯拉的高饱和磁通密度，适当的纳米晶铁芯是同步回旋加速器空腔调谐组件的首选pg电子平台的解决方案。在非常有限的空间进行的粒子束偏转集束器或压缩集束器，通过使用纳米晶铁芯，所需的长度比铁氧体铁芯通常可以减少50%,但缺点是工作期间功耗显著增加。不过,由于他们的低阻抗,纳米晶铁芯也避免了与离子束不利的交互作用,因此,纳米晶铁芯在全世界的几个粒子束加速器设施中得以使用。
due to the high saturation flux density of at least 1,2tesla suitable nanocrystalline cores are the preferred solution for the tuning elements in synchrotron cavities. related applications like particle beam de-bunchers or bunch compressors are often very much limited in space. by the use of nanocrystalline cores, the required length compared to ferrite cores can be reduced by typically 50% - but with the disadvantage of significantly higher power consumption during operation. but due to their low impedance, the nanocrystalline cores also avoid unfavorable interactions with the ion beam and thus, they are used in several particle beam accelerator installations worldwide.
一、尺寸图示（size chart）：
二、产品选型表（product selection table）：
