照明工程学报

2019, v.30(06) 100-104

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LED景观照明配电系统中剩余动作电流值的选择
Selection of Residual Operating Current Values in LED Landscape Lighting Power Distribution Systems

包瑞;常相栋;何杏芳;李野;黄思平;
BAO Rui;CHANG Xiangdong;HE Xingfang;LI Ye;HUANG Siping;Academy for Engineering & Technology, Fudan University;HES Technology Group Corp, Ltd;

摘要(Abstract):

LED景观照明配电系统中剩余动作电流I_(△n)的取值,需考虑LED照明设备泄漏电流的特性,不合理的取值会影响配电系统的可靠性。本文从分析I_(△n)取值的原则入手,结合现行相关标准的规定和实际工程泄漏电流的测算结果,给出了计算确定I_(△n)合理值的方法,提出了在保证系统可靠性前提下降低I_(△n)的措施,为LED景观照明配电系统的设计和工程实施提供借鉴与指导。
The particularity of leakage current of LED lighting equipment should be taken into account when selecting the residual operating current I_(△n) in the power distribution system of LED landscape lighting. A improper I_(△n) value will affect the reliability of this system. This paper starts with analyzing the I_(△n) value-taking principles, and then proposes a reasonable method for determining the proper I_(△n) value, based on the current relevant standards and the calculation results of leakage current in actual projects. Furthermore, some measures of reducing I_(△n) value on the premise of system reliability assurance are put forward, which provides reference for the design of LED landscape lighting power distribution system.

关键词(KeyWords): LED景观照明;剩余动作电流;泄漏电流;驱动电源
LED landscape lighting;residual operating current;leakage current;driving power supply

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作者(Author): 包瑞;常相栋;何杏芳;李野;黄思平;
BAO Rui;CHANG Xiangdong;HE Xingfang;LI Ye;HUANG Siping;Academy for Engineering & Technology, Fudan University;HES Technology Group Corp, Ltd;

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