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DC immunity composite cores, often blending amorphous and nanocrystalline materials, are critical components for modern smart watt-hour meters to ensure accurate measurement (0.5–0.1 class) even when DC components (1.5–200A) are present. They prevent transformer saturation from DC offsets in alternating current systems, adhering to standards like IEC 62053 and EN 50470-3.
Key Features and Benefits
- Strong DC Immunity: Specially designed to operate under DC current conditions, preventing saturation in current transformers (CTs).
- Composite Material Structure: Combines high-permeability nanocrystalline ribbon with amorphous material, providing high precision and low temperature drift.
- Wide Current Range: Suitable for applications spanning from 1.5A to 200A.
- Compact Design: These cores offer high accuracy with a smaller volume and lighter weight compared to traditional cores.
- High Linearity: Ensures accurate measurement across the entire primary current range, improving meter reliability.
Applications
- Electronic Energy Meters/Watt-hour Meters: Essential for smart meters that must maintain accuracy under DC interference.
- Metering Transformers: Used in electronic power systems for precise monitoring.
- Battery Systems and Electric Vehicles: Ideal for systems where constant DC direction poses saturation risks.
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Web results
DC Current Immunity Composite Cores
MH&W International Corp.
https://mhw-intl.com › amorphous-and-nickel-iron-cores
MH&W International Corp.
https://mhw-intl.com › amorphous-and-nickel-iron-cores
DC current immunity composite is combined with amorphous and nanocrystalline cores together. Magnetic features: Strong DC current immunity.Read more
Dc Immunity Composite Cores For Watt Hour Meter
Jiangsu Hongyun Precision Industry Co., Ltd.
https://www.hongertech.com › dc-immunity-composite-...
Jiangsu Hongyun Precision Industry Co., Ltd.
https://www.hongertech.com › dc-immunity-composite-...
Its robust construction ensures lasting durability. ... High Metering Accuracy Current Transformer Mu Metal Core. The high permeability 80% nickel-iron, Mu Metal ...Read more
120A Current Transformer Immunity DC Composite Core ...
Made-in-China.com
https://current-transformer.en.made-in-china.com › Chi...
Made-in-China.com
https://current-transformer.en.made-in-china.com › Chi...
Features: Unique patent hold, DC current immunity composite cores with amorphous. And nanocrystalline cores together. Strong immunity for DC currentRead more
New Line of Amorphous, Custom Nanocrystalline, & Nickel ...
Magnetics Magazine
https://magneticsmag.com › new-line-of-amorphous-cu...
Magnetics Magazine
https://magneticsmag.com › new-line-of-amorphous-cu...
Jul 31, 2019 — DC Immunity Composite Cores are made up of both nanocrystalline ... watt-hour meters as well as metering transformers in electronic power systems.Read more
Composite core for DC immune current transformer
leadongcdn.com
https://5nrorwxhmqqijik.leadongcdn.com › DC+i...
leadongcdn.com
https://5nrorwxhmqqijik.leadongcdn.com › DC+i...
PDF
Magnetic core structure features: The original patented technology, magnetic core composite of high magnetic and constant magnetic materials. Core performance ...Read more
2 pages
Missing: Watt- hour
MH&W International Corp. - NEW PRODUCT ALERT
MH&W International Corp.
https://mhw-intl.com › mhw-international-corp-new-pro...
MH&W International Corp.
https://mhw-intl.com › mhw-international-corp-new-pro...
Feb 26, 2019 — DC Immunity Composite Cores are made up of both nanocrystalline ... meters / watt-hour meters Metering transformer in electronic power systems.Read more
DC Current Immunity Composite Cores
amorphousbus.com
https://es.amorphousbus.com › anti-dc-component-transf...
amorphousbus.com
https://es.amorphousbus.com › anti-dc-component-transf...
With excellent transient characteristics, real waveform transfer, and can bear 20~40 times instantaneous impact from rated current and still be unsaturated.Read more
Missing: Watt- hour
PCT801 DC Immune Current Transformer
Xiamen ZTC Technology Co.,Ltd
https://cnzentar.com › project › pct801-dc-immune-cur...
Xiamen ZTC Technology Co.,Ltd
https://cnzentar.com › project › pct801-dc-immune-cur...
The newly developed composite magnetic core low-voltage DC Immune low-voltage current transformer has very powerful functions. It can not only complete the ...Read more
DC Current Immunity Composite Cores Suppliers ...
Jiangsu Hongyun Precision Industry Co., Ltd.
https://www.hongertech.com › dc-current-immunity-co...
Jiangsu Hongyun Precision Industry Co., Ltd.
https://www.hongertech.com › dc-current-immunity-co...
We are best DC Current Immunity Composite Cores suppliers,manufacturers,we supply DC Immunity Composite Cores for Energy Meter in best price!
DC immunity cores
Zhejiang Jingjing New Material Technology Co., Ltd.
https://www.nanocrystalline-strip.com › dc-immunity-cores
Zhejiang Jingjing New Material Technology Co., Ltd.
https://www.nanocrystalline-strip.com › dc-immunity-cores
These cores are designed for a wide current range from 1.5 to 200A, boasting robust temperature stability and competitive pricing without compromising on ...Read more