Harmonics Temporal Profile in High-Voltage Networks: Case Study

نتاج البحث: Chapter


This chapter presents a case study about harmonics measurements in high-voltage networks. Measurements were conducted at two locations in the main interconnected system (MIS) of Oman. Voltage and current THDs were recorded for a period of 1 week. The power quality analyzer was set to record required data for a period of 1 week, and the observation period for each recorded value is 10 minutes. At the first location, the grid station (132/33) is feeding industrial as well as other customers. The second grid station (220/132/33 kV) is dedicated to large industrial customers including arc furnaces and rolling mills. The power quality analyzer was installed at the 132 kV side of power transformers at both locations. Recorded data are analyzed, and temporal harmonics profiles are studied. A clear temporal variation of harmonics similar to that of aggregate load and local voltage profiles was observed at the grid station feeding mixed residential and industrial loads. However, this correlation between system load and harmonics profile diminishes at the grid station dedicated for heavy industrial loads.

اللغة الأصليةEnglish
عنوان منشور المضيفPower System Harmonics - Analysis, Effects and Mitigation Solutions for Power Quality Improvement
رقم المعيار الدولي للكتب (الإلكتروني)978-1-78923-190-8
المعرِّفات الرقمية للأشياء
حالة النشرPublished - ديسمبر 20 2017


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