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Harmonic current impact to capability of transformer #7 pulogadung s/s

Sumaryadia, Indora T.a, Sinisuka N.I.a

a PT PLN (Persero) P3B Jawa Bali Region Jakarta-Banten, School of Electrical and Informatics, Institute of Technology Bandung, Indonesia

[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]Harmonics is an indication that occurs at power systems caused by a non linear load which will generate high frequency waves resulting from the multiplication of its fundamental waves. Transformer losses can be divided into losses with loads and zero load losses. Losses that are caused by harmonic current will cause an increase of copper losses and stray flux losses. Whereas harmonic voltage will cause an increase of losses on the transformer’s core. In combination, the existence of harmonic in the transformer’s load will cause the temperature at the top oil to rise, hence it will also increase the hot spot and eventually will limit the transformer’s load and causing the technical age of the transformer to shorten due to degradation of the insulation performance. In this paper, the harmonic load’s influence on decreasing capacities and increasing temperature of the transformer will be discussed. Transformer number #7 on Pulogadung substation connected with industrial and household load will be used as example, and several plausible risks will also be discussed. © 2009 IEEE.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Copper loss,Fundamental wave,Harmonic currents,Harmonic loads,Harmonic voltages,High frequency waves,Hot spot,Household loads,Insulation performance,Nonlinear load,Power systems,Top oil,Transformer loss,Zero load[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Harmonics,Transformer[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1109/ICEEI.2009.5254735[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]