J. Ramos, Carlos Pocasangre, Luis Chevez, Armando Martínez, J. Osorto, Diego Escobar
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引用次数: 0
摘要
自2005年以来，在萨尔瓦多大学进行了谐波电压和闪烁测量。参照SIGET (General supervisory of Electricity and Telecommunications)发布的国家电能质量标准进行了符合性分析。自2005年以来，由于连接到配电网的负载和系统的演变，三次谐波和总谐波失真电压水平一直在持续增加。三次谐波电压的个别失真95%值即将超过SIGET, IEEE-519和EN50160标准规定的限值。公用事业报告说，由于三次谐波电流的存在，接地变压器过载。
Third harmonic voltage distortion levels in an urban distribution network in El Salvador
Harmonic Voltage and flicker measurements have been conducted at Universidad de El Salvador since 2005. Compliance has been analyzed in reference to the national power quality standard issued by SIGET (General Superintendence of Electricity and Telecommunications). Third harmonic and total harmonic distortion voltage levels have been increasing sustainably since 2005 due to the evolution of loads and systems connected to the distribution network. Individual distortion 95% values for 3rd harmonic voltage are about to exceed the limits established by SIGET, IEEE-519 and EN50160 standards. Public utilities have reported overloading of grounding transformers due to the presence of 3rd harmonic currents.
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