Balancing Load Outgoing Transformator 2 di Politeknik Negeri Malang

None Ika Noer Syamsiana, None Budi Eko Prasetyo, None Harry Hassidiqi, None Salsha Faradilla Firdaus
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Abstract

In an electric power system, power quality is a major problem. One of the problems is load imbalance. According to IEEE (Institute of electrical and electronic engineer) number 446-1995 for load unbalance the limit value ranges from 5% to 20% on all phases. The monitoring panel system is useful for facilitating monitoring of power quality in real time so that the efficiency of electrical energy can be maintained. The object of this research is the load on Outgoing Transformer 2 at State Polytechnic of Malang. Measurements were carried out for 7 days. On Friday the average unbalanced load value is 6.75% with a neutral current of 34.4 A and conductor losses of 0.071 kW, while for 6 days it is classified as a balanced load with an average of 3.54-4.76% with neutral current of 10.5-24.6 A and conductor losses of 0.007-0.036 kW. So according to the IEEE standard std 446-1995 the Unbalance load value does not meet the standard on Friday, which exceeds the minimum standard of 5%. To get balanced loading results, it is necessary to carry out load balancing actions, namely by means of balancing. The recommendation for balancing is to move from phase R to phase S of 4.043 A and phase T of 2.695 A. After balancing, the % unbalanced load is obtained with an average of 3%, meaning that this load is classified as balanced with a neutral current of 13.44 A and losses conductor 0.014 kW.
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平衡马朗州立理工学院 2 号出线变压器的负载
在电力系统中,电能质量是一个主要问题。其中一个问题是负载不平衡。根据IEEE(电气和电子工程师协会)编号446-1995,负载不平衡的极限值范围为所有阶段的5%至20%。该监控面板系统便于对电能质量进行实时监控,以保持电能的使用效率。本研究以玛琅国立理工学院2号出线变压器负荷为研究对象。测量进行了7天。周五的平均不平衡负载值为6.75%,中性电流为34.4 a,导体损耗为0.071 kW,而6天的平均不平衡负载值为3.54-4.76%,中性电流为10.5-24.6 a,导体损耗为0.007-0.036 kW。因此,根据IEEE标准std 446-1995,周五的不平衡负载值不符合标准,超过了5%的最低标准。为了获得均衡的负载结果,需要进行负载均衡动作,即通过均衡的方式。平衡的建议是从R相移到4.043 A的S相和2.695 A的T相。平衡后,得到的%不平衡负载平均为3%,这意味着该负载被分类为平衡负载,中性电流为13.44 a,导体损耗为0.014 kW。
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