The imbalance of loads in the distribution transformer always arises due to uneven electricity usage. The consequence of this load imbalance is the flow of current in the neutral conductor of the transformer, leading to losses. Other losses in the transformer include power losses, core losses, and copper losses. Problem analysis using a mathematical model involves calculating the percentage of …
Roads are a vital means that need serious attention, so that the activities of people in a city can improve. Jalan Jenderal Sudirman is an area with orderly traffic and currently Jalan Sudirman has quite heavy traffic flow. As one of the arterial roads, road equipment facilities are certainly needed on this road. Therefore, the author is interested in analyzing the road equipment on Jalan Jende…
Road damage is one of the things that must be addressed at this time, one of which is on Jalan Garuda, Marpoyan Damai District, Pekanbaru City, Riau Province, with a road length of 1,600 meters and a road width of 6 meters, making it uncomfortable for motorists passing through the road, so repairs are needed. a path that starts with knowing the types of damage that exist. The aim of this rese…
This research aims to calculate estimates of heavy equipment costs and productivity in Parit Indah road repair activities, Bukit Raya District. The heavy equipment studied in this final project are dump trucks, tandem rollers, tire rollers, asphalt finishers, and asphalt sprayers. The research methodology uses a data collection method through observation and surveys which is then matched with p…
In the current era of globalization we cannot be separated from technological developments. Currently, convenience and efficiency of time and energy are the main considerations for humans in carrying out activities. The results of this technological development include the application of Arduino Uno to make automatic plant watering devices, especially for strawberry plants. Chili plant care gen…
Counting the number of visitors entering the museum area is generally still done manually by existing officers. This does not rule out the possibility of frequent errors by officers due to staff being divided in concentration or lack of accuracy which results in damage to historical relics in the museum. Due to this problem, a tool is needed that functions to count the number of visitors. This …
The Binjai – Pangkalan Brandan Toll Road is part of the Trans Sumatra Toll Road based on Presidential Regulation Number 117 of 2015. Based on information from service providers and service users, it has experienced delays in completion. The aim of this case study is to identify factors causing delays, analyze risks using a probabilistic approach with the @risk application and select risk miti…
This research aims to create a deterministic and stochastic cash flow model for the financial feasibility of Pekanbaru - Bangkinang toll road investment. Determine the financial variables that are most influential (sensitive) on toll road infrastructure project investment stochastically using @Risk software. This research is exploratory in nature by taking a case study of financial analysis in…
Herbal tea is a drink made from different types of herbs, such as the leaves, seeds, or roots of plants. Herbal tea can have various health benefits, depending on the type of plant used. The objectives to be achieved in this study were to make herbal tea from arabian bidara leaves by knowing the effect of different drying times on testing water content, yield and ash content, and comparing the …
Oil palm as a plant that produces palm oil and palm kernel is one of the favorite plantation crops which is a source of non-oil and gas foreign exchange for Indonesia. In Indonesia, the cooking oil most often used is palm cooking oil. This condition is caused by Indonesia being a palm oil producing country, this oil is also quite ideal in terms of price and availability. This feasibility study …
Citric acid is a fatty organic acid that can be obtained from plants, or from materials with a high total sugar content (molasses) with the chemical formula C6H8O7 or CH2(COOH)-COH(COOH)-CH2(COOH). In Indonesia, there is a need for citric acid for raw materials and supporting materials for food and beverages, detergents, pharmaceuticals, cosmetics and others. Citric acid can be produced through…
Sodium hydroxide (NaOH) is an important ingredient in the chemical industry because it is used in various industries such as paper, soap and textiles. The need for sodium hydroxide in Indonesia is still met by importing it from abroad. With the establishment of the sodium hydroxide factory, it is hoped that it can reduce dependence on imported sodium hydroxide and can spur industrial growth in …
Vinyl chloride is a colorless, gaseous, and highly flammable chlorinated hydrocarbon compound with the molecular formula C2H3Cl. Vinyl chloride is used in the polymer industry, such as making polyvinyl chloride (PVC). PVC is widely used as a plastic material, adhesive layer, and pipe. The raw material used in making vinyl chloride are ethylene and chlorine. The direct chlorination process of et…
Citric acid is a fatty organic acid that can be obtained from plants, or from materials with a high total sugar content (molasses) with the chemical formula C6H8O7 or CH2(COOH)-COH(COOH)-CH2(COOH). In Indonesia, there is a need for citric acid for raw materials and supporting materials for food and beverages, detergents, pharmaceuticals, cosmetics and others. Citric acid can be produced through…
Peatwater is water with a pH value ranging from 3-4, reddish-brown in color, containing high levels of organic matter, iron, and manganese, making it unsuitable for household use. One alternative to improve the quality of peat water is through the use of a multimedia biosand filter, which involves filtration using more than two types of media, such as pumice stone, quartz sand, and zeolite arra…
Peat water is a type that falls short of health standards, characterized by a reddish-brown color, high organic content, and low pH. It is prevalent in Riau Province, making it a vital water source for the community. An alternative for treating peat water is the biosand filter. This research aims to analyze the influence of varying media thickness, including gravel, pumice, quartz sand, and act…
Herbal tea is a drink made from different types of herbs, such as the leaves, seeds, or roots of plants. Herbal tea can have various health benefits, depending on the type of plant used. The objectives to be achieved in this study were to make herbal tea from arabian bidara leaves by knowing the effect of different drying times on testing water content, yield and ash content, and comparing the …
This final project report discusses the manufacture and assembly of an energy-efficient car conveyance. The purpose of this final project is to be able to make and assemble an energy-efficient car conveyance. The methods used include literature review, production design, and manufacture of conveyance. In the literature review, motorized trike drift, bike trailer, and motor fuel are studied as r…
This final project report discusses the manufacture and assembly of an energy-efficient car conveyance. The purpose of this final project is to be able to make and assemble an energy-efficient car conveyance. The methods used include literature review, production design, and manufacture of conveyance. In the literature review, motorized trike drift, bike trailer, and motor fuel are studied as r…
Project management is the application of the best knowledge, expertise, skills, technical methods with limited resources, to achieve predetermined goals and objectives in order to obtain optimal results in terms of cost performance, quality, and time, as well as work safety. Project scheduling is a form of project planning that is made with the aim that the project is completed on time. Critica…