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Electronic Ballast Design for UV Lamps Based on UV Dose, Applied to Drinking Water Purifier

机译:基于紫外线剂量的紫外线灯电子镇流器设计,用于饮用水净化器

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This paper presents a design methodology for an electronic ballast applied to ultraviolet radiation (UV) lamps for a drinking water purifier, providing adjustable UV dose in order to ensure the inactivation of microorganisms’ reproduction, commonly found in untreated water, which can be harmful to human health. The design methodology is based on the multiple segment summation source model, used for defining the UV dose applied to penstock purifiers, considering immersed lamps on a water slide enclosure, which in combination with its hydraulic behavior, provide a good performance for the microorganisms UV absorption along the entire purifier structure ducts. Thus, the water purifier was designed using hydrostatic simulations, in order to ensure compliance with the NSF/ANSI Standard 55, for commercial and residential applications. Thereby, an electronic ballast that guarantees a controlled preheating process for the UV lamp electrodes before its ignition and sets the nominal power point on the steady state, was implemented in order to guarantee the designed UV dose. Furthermore, the ballast incorporates a power factor correction flyback input rectifier stage, in discontinuous conduction mode, with universal input voltage range (90 V –240 V ), attending the limits imposed by IEC 61000-3-2 Standard, for class-C devices.
机译:本文介绍了一种用于电子镇流器的设计方法,该电子镇流器用于饮用水净化器的紫外线(UV)灯,提供可调节的紫外线剂量,以确保灭活通常在未经处理的水中发现的微生物繁殖,这可能对人体有害。人类健康。设计方法基于多段总和模型,用于定义应用于压力管式净水器的紫外线剂量,考虑到将水浸灯放在水滑道外壳上,并结合其水力行为,从而为微生物提供了良好的紫外线吸收性能。沿着整个净化器结构的管道。因此,该净水器是使用静水压力模拟设计的,以确保符合用于商业和住宅应用的NSF / ANSI Standard 55。因此,为了保证设计的紫外线剂量,实施了一种电子镇流器,该镇流器可确保在其点燃之前对紫外线灯电极进行可控的预热过程,并将标称功率点设置为稳态。此外,镇流器在不连续传导模式下集成了功率因数校正反激输入整流器级,具有通用输入电压范围(90 V –240 V),符合IEC 61000-3-2标准对C类设备施加的限制。

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