Title :
Assessment of power distribution transformers electrical and thermal parameters in harmonic environments
Author :
Separi, Faramarz ; Samakush, Mohammadreza ; Vahabzadeh, Ali-Reza
Author_Institution :
Mazandaran Distrib. Co., Sari, Iran
Abstract :
The increasing use of non-linear and solid-state based loads has caused an increase in the power system harmonic level. An increase in harmonic level causes the increase in power loss and hot spot temperature of power transformers. Hot spot temperature rise will lead to some insulation aging. Then, considering that the hot-spot temperature is the key limiting factor in transformers loading, the effect of harmonics on the hot-spot temperature is investigated using a thermal model for power transformers. Finally the effects of harmonics are inspected.
Keywords :
ageing; distribution networks; power system harmonics; power transformer insulation; power transformers; thermal analysis; electrical parameter; harmonic environments; hot spot temperature; insulation aging; power distribution transformer; thermal model; thermal parameter; Aging; Electric breakdown; Harmonic distortion; Phase locked loops; Power system harmonics; Power transformer insulation; Power transformers; Temperature; Thermal loading; Transformer cores; Harmonic distortion; distribution transforers; power quality; thermal modeling; transformer;
Conference_Titel :
Telecommunications Energy Conference, 2009. INTELEC 2009. 31st International
Conference_Location :
Incheon
Print_ISBN :
978-1-4244-2490-0
Electronic_ISBN :
978-1-4244-2491-7
DOI :
10.1109/INTLEC.2009.5351769
