光伏逆变器共模滤波磁芯Photovoltaic inverter nanocrystalline common-mode core
光伏逆变器纳米晶共模磁芯
Photovoltaic inverter nanocrystalline common-mode core
光伏逆变器中的纳米晶共模磁芯是一种关键磁性元件，主要用于抑制共模噪声，提升系统的电磁兼容性（EMC）。
The nanocrystalline common mode core in the photovoltaic inverter is a key magnetic component, which is mainly used to suppress common mode noise and improve the electromagnetic compatibility (EMC) of the system.
在光伏逆变器中的作用：
Role in PV inverter:
- 共模噪声抑制：光伏逆变器因高频开关（如IGBT/MOSFET）产生共模电流，纳米晶磁芯通过高阻抗路径将其滤除。
- Common-mode noise suppression: Photovoltaic inverters generate common-mode currents due to high-frequency switches (e.g., IGBT/MOSFETs), which are filtered out by nanocrystalline cores through high-impedance paths.
- EMC合规：帮助满足EN 61000-6-2/4等标准，防止干扰电网或其他设备。
- EMC compliance: Help meet standards such as EN 61000-6-2/4 and prevent interference with power grids or other equipment.
- 系统可靠性：减少绝缘老化风险，避免漏电流导致的保护误动作。
- System reliability: Reduce the risk of insulation aging and avoid protection malfunction caused by leakage current.
产品性能特点：
Product performance characteristics:
- 高磁导率：纳米晶合金（如Fe-Si-B-Nb-Cu）具有极高的初始磁导率（可达10万以上），能高效吸收高频噪声。
- High permeability: Nanocrystalline alloys (such as Fe-Si-B-Nb-Cu) have extremely high initial permeability (up to more than 100,000) and can efficiently absorb high-frequency noise.
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宽频带优势：在kHz~MHz范围内磁性能优异，适合光伏逆变器开关频率（通常几十kHz到数百kHz）下的噪声抑制。
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Broadband advantage: excellent magnetic performance in the range of kHz~MHz, suitable for noise suppression under the switching frequency of photovoltaic inverter (usually tens of kHz to hundreds of kHz).
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低损耗：纳米晶的矫顽力小，高频涡流损耗低，减少发热，提升效率。
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Low loss: The coercivity of nanocrystals is small, and the high-frequency eddy current loss is low, which reduces heat generation and improves efficiency.
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饱和磁感应强度高（约1.2T）：比铁氧体更高，抗直流偏置能力强，适合大电流场景。
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High saturation magnetic induction intensity (about 1.2T): higher than ferrite, strong DC bias resistance, suitable for high-current scenarios.
产品选型表：
Product Selection Table:
| 序号serial number | 料号Part number | 磁环尺寸Magnetic ring size | 成品尺寸Finished product dimensions | 单匝电感量Single-turn inductance（10 kHz） | 单匝电感量Single-turn inductance（100 kHz） |
| 1 | JS1608P1 | 16*11*8 | 18.7*9.1*10.2 | 28uH-53uH | 9.5uH min |
| 2 | JS2008P1 | 20*12*8 | 22*10.2*10.5 | 38.5uH-70uH | 13uH min |
| 3 | JS2010P1 | 20*12*10 | 22.5*10.8*12.3 | 12.5uH-25uH | 10uH-20uH |
| 4 | JS2210P1 | 22*17*10 | 24.8*14.9*12.7 | / | 9.5uH min |
| 5 | JS2210P2 | 22*17*10 | 24.8*14.9*12.7 | / | 12uH min |
| 6 | JS2221P1 | 22*17*21 | 24.7*15*24 | 61.3uH-102uH | / |
| 7 | JS2310P1 | 23*15*10 | 26*13.1*12.3 | / | 23.8uH min |
| 8 | JS2315P1 | 23*15*15 | 25.6*15.1*18.1 | 60uH-105uH | 20uH min |
| 9 | JS2310P2 | 23*16*10 | 25.2*14.1*17.45 | 45uH min | / |
| 10 | JS2310P3 | 23*18*10 | 25*16.6*11.4 | 23uH-44uH | 8uH-15uH |
| 11 | JS2510P1 | 25*15*10 | 28*13.1*12.3 | 49.5uH-90uH | 16uH-31uH |
| 12 | JS2510P2 | 25*16*10 | 27.5*14*12.7 | 43.8uH-76.2uH | / |
| 13 | JS2510P3 | 25*17*10 | 27.9*15.3*13.1 | 45uH min | 13uH min |
| 14 | JS2510P4 | 25*17*10 | 27.9*15.5*12.4 | / | 21uH min |
| 15 | JS2510P5 | 25*20*10 | 27.6*17.4*12.8 | 22uH-38uH | 7uH-13.5uH |
| 16 | JS2610P1 | 26*16*10 | 29.1*14.1*12.8 | 60uH min | / |
| 17 | JS2610P2 | 26*19*10 | 28.7*16.2*12.4 | 30.5uH-50uH | 10uH-18uH |
| 18 | JS2710P1 | 27*20*10 | 29*18.3*13 | 31uH-51uH | 10uH-18.5uH |
| 19 | JS2810P1 | 28*18*10 | 29.9*16.5*12.5 | 45uH-75uH | 14uH-25uH |
| 20 | JS2815P1 | 28*18*15 | 30*16.3*17.04 | 80uH min | / |
| 21 | JS2812P1 | 28*19*12 | 30.4*17.1*14.3 | 45uH-78uH | 15uH min |
| 22 | JS2912P1 | 29*20*12 | 31.9*17.8*14.8 | 56.2uH-82.6uH | / |
| 23 | JS3008P1 | 30*20*8 | 32.8*18.2*10 | 35uH min | / |
| 24 | JS3010P1 | 30*20*10 | 32.8*17.6*12.5 | 45uH min | 13uH min |
| 25 | JS3012P1 | 30*20*12 | 32.8*18.2*14.7 | / | 18uH-24.5uH |
| 26 | JS3012P2 | 30*20*12 | 32.8*18.2*14.7 | / | 21uH min |
| 27 | JS3012P3 | 30*20*12 | 32.8*18.2*14.7 | / | 28uH-37uH |
| 28 | JS3012P4 | 30*20*12 | 32.8*18.2*14.7 | / | 28uH min |
| 29 | JS3015P1 | 30*20*15 | 33.8*17.8*17.8 | 76uH min | 18.5uH min |
| 30 | JS3015P2 | 30*20*15 | 33.8*17.8*17.8 | / | 30.5uH min |
| 31 | JS3015P3 | 30*20*15 | 33.8*17.8*17.8 | 60uH min | 33uH min |
| 32 | JS3210P1 | 32*20*10 | 34.5*17.4*12.9 | 55.5uH min | 13.5uH min |
| 33 | JS3210P2 | 32*25*10 | 34.3*22.9*12.9 | / | 13uH min |
| 34 | JS3210P3 | 33*23*10 | 35.8*21.1*12.9 | 35uH-60uH | 12uH min |
| 35 | JS3315P1 | 33*23*15 | 35.8*21.2*17.6 | 51uH-96uH | 16.5uH-32uH |
| 36 | JS3515P1 | 35*26*15 | 39.8*22.8*18.6 | 35.3uH-49uH | 15.2uH min |
| 37 | JS3715P1 | 37*25*15 | 39.8*22.8*17.9 | 60uH min | 31.5uH-39.5uH |
| 38 | JS4010P1 | 40*25*10 | 43.4*22.5*14.2 | 48uH-75uH | 15uH-28uH |
| 39 | JS4015P1 | 40*25*15 | 43.6*21.8*18.5 | 65uH min | 23uH min |
| 40 | JS4015P2 | 40*25*15 | 43.6*21.8*18.5 | / | 38uH min |
| 41 | JS4015P3 | 40*32*15 | 45*28.8*18.7 | 40uH min | / |
| 42 | JS4015P4 | 40*32*15 | 45*28.8*18.7 | 7.2-15uH min | / |
| 43 | JS4515P1 | 45*30*15 | 48.7*27*17.8 | / | 24uH min |
| 44 | JS5015P1 | 50*30*15 | 54.5*27.2*17.8 | 75uH-120uH | 25uH-48uH |
| 45 | JS5015P2 | 50*32*15 | 53.7*29.1*18.2 | 65uH-116uH | 21uH-40uH |
| 46 | JS5020P1 | 50*32*20 | 54*28.3*23.9 | 85uH-150uH | 28uH-54uH |
| 47 | JS5020P2 | 50*40*20 | 53.5*36.3*23.4 | 48.5uH-81uH | 14uH-28uH |
| 48 | JS5920P1 | 59*40*20 | 63.5*36.9*24.1 | 77uH-120uH | 25uH min |
| 49 | JS6010P1 | 60*50*10 | 63.3*42.8*10.9 | 18uH-30uH | 5.5uH min |
| 50 | JS6425P1 | 64*40*25 | 67.2*37.1*29.1 | 42uH-53uH | / |
