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氢能作为能源载体:Knick 测量技术助力能源转型

氢能是当今能源生产和存储领域的核心要素。Knick 能够针对各种严苛的应用要求提供电气测量解决方案,并已成为可靠的产业合作伙伴。我们的变送器可监测电压、电流和温度等变量,能够确保在高压环境下精确、安全地完成测量。这些变送器具有一个共同点:在电路设计中集成有可靠的电气隔离功能。

行业新发展要求精度、准确性与电气安全保障

通过电力和化学工艺制氢的电解槽性能持续提升,而用于高效存储并将氢能转化回电能的燃料电池系统性能也日益增强。

然而,这些技术进步也带来了新的挑战。电解槽和燃料电池系统均包含多个低压模块,这些模块排列成更大的单元,即“电堆”。而多个电堆又常被串联组合为性能更强的系统,即“电池串”。电池串规模越大,整体电势就越高。这意味着,在监测电池单体形成的低压模块和测量其功率时,还必须确保整个系统免受高压的影响。这并非易事,需要精心设计的方案以及能够满足特殊要求的硬件。

Knick 变送器具备出色的精确性和准确度,可提供所需的低压和高压测量分辨率,同时通过高度隔离原则确保必要的电气防护。在同样需要高压隔离技术的温度与电流监测过程中,这些变送器同样性能出众。Knick 已成功将这些产品应用于 2,000 V 以上的直流氢能项目,并且具备应对更高电压等级的能力,以匹配业内不断提高的功率等级要求。

电解槽控制

燃料电池监测

整流器验证

现场数据采集

为何选择 Knick?
Knick 在制造与研发领域深耕逾 80 年,积累了深厚经验,能够满足氢能领域专家面临的严苛应用需求。我们的产品具有高达 4.8 kV 的持续电气隔离能力,可为关键高压应用提供安全保障。这些产品遵照多种严格标准与认证要求,进一步证明了其卓越性能,相关信息均清晰列于每台设备的数据表中。

技术亮点 – 通过 SIL 认证硬件保障氢能应用功能安全

鉴于氢能生产和存储环节的潜在危险性,相关系统与工艺需满足高安全等级要求。在高压环境中,遵循 SIL 认证的功能安全标准尤为重要,以确保安全回路以成熟、高容错性的方式设计。

Knick 推出的 SIL 等级变送器专为氢能环境下的电气安全电路设计,在满足功能安全要求的同时提供极致可靠的测量。该系列变送器开创行业先河,在关键应用中可达到安全等级 SIL 2,冗余配置下更可提升至 SIL 3。

此外,Knick 还可提供经 SIL 认证的信号倍增器选件。例如,当连接至安全控制回路中的门传感器或流量开关等设备时,这些选件尤为实用。 如此一来,这些传感器信息还可用于数据采集或状态监测,从而扩展现有传感器网络的功能范围。

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