scholarly journals Short Circuit Analysis on Distribution Network 20 kV Using Etap Software

2021 ◽  
Vol 1 (2) ◽  
pp. 49
Author(s):  
Afif Arizaldi ◽  
S Salahuddin ◽  
M Muhammad ◽  
Vishal Jain ◽  
Govinda Prashad Pandey ◽  
...  
Keyword(s):  
Short Circuit ◽  
Fault Simulation ◽  
Circuit Breaker ◽  
Electrical Energy ◽  
Electrical Equipment ◽  
Electric Power System ◽  
Protection Device ◽  
Two Phase ◽  
System A ◽  
Short Circuit Analysis

In an electric power system, electricity is generated by the power plant and then channeled to a transmission line and then distributed to consumers, in the process of distributing electrical energy, the system does not always work in normal conditions, sometimes the system can experience disturbances such as one-phase, two-phase, and three-phase disturbances. This interference can disrupt the electrical system and can damage equipment if left unchecked, therefore it is necessary to install a protection device that can decide the interference so as not to damage other equipment when a disturbance occurs. Here the protection device used is a circuit breaker. In a fault condition, the circuit breaker must be able to separate the points of the fault so as not to damage other electrical equipment. In this case, to determine the capacity of the best protection device for the system, a short circuit fault simulation is performed. To simplify the calculation process here the author uses the help of ETAP software (Electrical Transient Analysis Program).

scholarly journals Development of a Method and Algorithm for Inhibiting an Automatic Transfer Switch of the Circuit Breaker for a Sustained Short-Circuit

2020 ◽  
Vol 220 ◽  
pp. 01011
Author(s):  
Igor Nikolaevich Fomin ◽  
Roman Pavlovich Belikov ◽  
Tatyana Anatolyevna Kudinova ◽  
Nailya Kamilevna Miftakhova
Keyword(s):  
Short Circuit ◽  
Circuit Breaker ◽  
Electrical Equipment ◽  
Ring Network ◽  
Circuit Breakers ◽  
Emergency Situations ◽  
Short Circuit Currents

Circuit breakers with automatic transfer switches (ATS) are designed in such a way that when the voltage disappears during a short-circuit (SC) in the ring network line, the ATS device is triggered. At the same time, its switch is turned on at short-circuit, then it is turned off with acceleration. Even a shortterm switching on of the automatic transfer switch for a sustained short-circuit leads to emergency situations [1,2]. The electrical equipment of the ring network spare line is exposed to high emergency short-circuit currents, and the consumers powered by the spare transformer are turned off. It is possible to minimize and eliminate the damages caused by the above mentioned cases by inhibiting the switching on of the circuitbreaker of the automatic transfer switch.

scholarly journals SOCIALIZATION OF THE RIGHT ELECTRIC USAGE TO PREVENT HAZARDOUS FIRE IN TUGU SELATAN VILLAGE, KOJA, NORTH JAKARTA

ICCD ◽  
2019 ◽  
Vol 2 (1) ◽  
pp. 363-368
Author(s):  
Rummi Sirait ◽  
Nifty Fath ◽  
Eka Purwa Laksana
Keyword(s):  
Short Circuit ◽  
Electrical Energy ◽  
Electrical Equipment ◽  
Fire Hazards ◽  
Knowing How ◽  
The Future ◽  
The Government ◽  
The Right ◽  
The Cost ◽  
Extension Program

The use of electrical equipment that is not in accordance with the standards established by SNI (Standar Nasional Indonesia) and the installation of electrical equipment that is not in accordance with the provisions are still often found in people's homes, so that the threat of electric fire hazards will be possible. Data from the recapitulation of fire incidents in DKI Jakarta Province in 2018 revealed that the biggest cause of fire was due to electrical short circuit, as many as 494 fire incidents occurred in a total of 1667 residences. This is quite alarming because many of the fires are caused by the low quality and installation of cables in most people's homes and residents do not understand the dangers of using inappropriate electrical energy. To participate in assisting the government inconducting socialization about the right electricity usage to prevent fires, the PPM activities in the form of socialization and direct assistance to residents' homes. The purpose of this activity is so that in the future residents of the Tugu Selatan Village of North Jakarta are more concerned about the electrical installations andthe electrical equipment they use by following with specified standards. This activity is very useful for the residents, proven by their enthusiasm in participating in the extension program with questions about the correct use of electrical energy and people's curiosity in knowing how to save electricity usage at home and calculate the cost of using electricity in their homes.

scholarly journals Pelatihan Penyambungan Kabel Tegangan Menengah 20 KV

2021 ◽  
Vol 2 (1) ◽  
pp. 8-14
Author(s):  
Syafriyudin Abubakar ◽  
Keyword(s):  
Service Life ◽  
Electric Power ◽  
Short Circuit ◽  
Electrical Energy ◽  
Electric Power System ◽  
Electricity Sector ◽  
Insulation Material ◽  
Electrical System ◽  
Insulation Failure ◽  
The Right

A reliable electric power system is needed in distributing electrical energy to customers, in the process of distributing electrical energy, interference in its distribution cannot be avoided, in general, electrical disturbances occur in underground channels, disturbance areas that are prone to and often occur usually at cable connections (Jointing). On cables that are insulated, the emergence of heat is something that must be considered. The current capacity of a cable is influenced by the characteristics of the cable components. Overheating will damage the insulation material and reduce the service life of the cable. The connection process must use the right and correct equipment and materials, to avoid insulation failure in the connection due to excessive heating on the connection which will result in a short circuit which will result in a shutdown of the electrical system. Increasing the skills of workers in the electricity sector is needed to reduce the risk of failure in the electrical system. Key words: cable jointing, insulation failure, skills

scholarly journals Analisa Kualitas Daya Listrik Pada Gardu Distribusi Universitas Khairun

2021 ◽  
Vol 4 (1) ◽  
pp. 28
Author(s):  
Ramly Rasyid ◽  
Miftah Muhammad
Keyword(s):  
Power Factor ◽  
Measurement Method ◽  
Harmonic Distortion ◽  
Electrical Energy ◽  
Electrical Equipment ◽  
Electric Power System ◽  
Telecommunication System ◽  
Nonlinear Loads ◽  
System Power ◽  
Very High

The large number of applications of nonlinear loads in the electric power system has made the system current very distorted with a very high percentage of current harmonic content, THD (total harmonic distortion) can damage the power factor compensation capacitor, making the system power factor worse, causing interference. to the telecommunication system, increase system losses, cause various kinds of damage to sensitive electrical equipment, all of which cause the use of electrical energy to be ineffective which results in poor power quality. In this study, the collection of data obtained was based on methods such as the following, namely the measurement method. This measurement method measures the harmonic voltages and currents caused by non-linear loads.

scholarly journals Analysis of Voltage Sag Due to Short Circuit on the Sub System in Central Sumatera

2018 ◽  
Vol 1 (2) ◽  
pp. 1-5
Author(s):  
Hamzah Eteruddin ◽  
Hendry Hendry ◽  
Atmam Atmam
Keyword(s):  
Power Quality ◽  
Fault Location ◽  
Short Circuit ◽  
Electrical Energy ◽  
Electrical Equipment ◽  
Fault Analysis ◽  
Voltage Sag ◽  
Voltage Dip ◽  
Three Phase ◽  
Short Circuit Fault

Power quality is closely related to electrical energy which is directly related to voltage and current interference. Electrical equipment used daily requires good power quality. The thing that affects the quality of the power is the voltage dip. Based on the IEEE 1159-1995 standard, voltage sag is a decrease in RMS voltage with duration of 0.5 cycle to 1 minute. Sag voltage that occurs can have an effect on electronic equipment and other problems that often arise in the industrial environment. Therefore, a short circuit fault analysis was conducted to determine the voltage sag based on the type of fault in the sub system in Central Sumatera. Short circuit fault analysis is done using Powerworld Simulator 7.0 Students Edition. This study is intended to determine the sag voltage when there is a short circuit fault. The biggest voltage sag occurs when a short circuit fault of single phase to ground at 75% fault location and the smallest voltage sag when the three-phase short circuit of 0.7 fault location.

scholarly journals Development of Fast Acting Electronic Circuit Breaker

2020 ◽  
pp. 149-152
Author(s):  
K. Siva Shankar ◽  
D. Gayatri ◽  
Ganesh B ◽  
T. Ramarao ◽  
N. Sai Kumar ◽  
...  
Keyword(s):  
Power Supply ◽  
Electronic Circuit ◽  
Short Circuit ◽  
Circuit Breaker ◽  
Electrical Energy ◽  
Operational Reliability ◽  
Current Transformer ◽  
Short Period ◽  
In Series ◽  
Fast Acting

The rapid increase in population has more demand and consumption of electrical energy in the market, use of equipments such as electrical and electronic components are also costlier. In order to protect the system from overload, or short circuit here is one possibility, which is by fast acting electronic circuit breaker. A circuit breaker is an automatically operating switch designed to shut down the power supply when it is overloaded. The tripping depends on the current passing through the CT’s which is connected in series with load. The project is designed to develop the power supply which shuts down when it is overloaded by using a fast acting electronic circuit breaker. The concept of developing a electronic circuit breaker came into focus realizing that the conventional circuit breakers such as MCB’s and fuse take longer time to trip. Therefore for sensitive loads it is very important to activate the tripping mechanism within short period of time. We know that the Modern technologies are paramount to provide operational reliability and financial profitability, so it is very important to develop an electronic circuit breaker by using a micro controller arduino. Here an electronic circuit breaker is designed using arduino in which program is dumped and a particular is set so that the system can shut down when it is overloaded. Here the voltage is sensed and rectified to DC and then it is compared with a preset voltage by a level comparator to generate an output that drives a relay to trip the load. The relay is preferred in place of semiconductors because such solid state switches would invariably fail in case of accidental short circuits. This project is designed to overcome the drawback of thermal type of circuit breaker like MCB based on a thermal bimetal lever trip mechanism which is very slow. This project is based on the current sensing across a series element typically a CT (Current Transformer). The current sensed which is compared against the preset value proportional to the voltage by comparator which is inbuilt in arduino to generate an output that drives a relay to trip the load very fast.

scholarly journals Design of Electrical Setting Protection System Indarung VI Cement Plant (Case Study New Cement Plant Construction at PT Semen Padang)

2021 ◽  
Vol 11 (1) ◽  
pp. 43-49
Author(s):  
DIAN EKA PRASETYAWAN
Keyword(s):  
Power Flow ◽  
Short Circuit ◽  
Rapid Development ◽  
Circuit Breaker ◽  
Short Circuit Current ◽  
Electrical Energy ◽  
Protection System ◽  
Cement Plant ◽  
Plant Uses ◽  
Overcurrent Relay

Along with the rapid development of technology and the development of civilization, electrical energy is very important in all fields. This research will conduct a study on the electrical protection system design of PT Semen Padang's Indarung VI Cement Plant using the ETAP 12.6 software. PT Semen Padang's Indarung VI Cement Plant uses three transformers of 150 / 6.3 kV of 30/35 MVA (ONAN / ONAF) and each Main Substation has substations that will supply all the loads to be used. The power flow study shows that the addition of a capacitor bank and a tap changer setting will improve the power factor and voltage of the system, thereby reducing the power supply sent by PLN. The short circuit study shows that the largest short circuit current, which is 35 kA, can be protected by a circuit breaker with a breaking capacity of 40 kA. The protection system coordination study shows that the results of the overcurrent relay setting can protect the electrical system of Indarung VI Cement Plant selectively and safely.

scholarly journals Single-phase ground short circuits in the 6–10 kV mains and electrical traumas in the coal mines

2020 ◽  
pp. 113-123
Author(s):  
Kuzmin Sergei ◽  
Keyword(s):  
Single Phase ◽  
Short Circuit ◽  
Coal Mines ◽  
Electrical Energy ◽  
Electrical Equipment ◽  
Electrical Safety ◽  
Electrical Systems ◽  
Switching Overvoltage ◽  
Short Circuits ◽  
Quality Of Electrical Energy

Introduction. This article provides analysis of electrical traumas and single-phase ground short circuits (SPGSC) in the 6–10 kV electrical systems in the period from 1995 to 2018. It has been shown that reduction in the number of SPGSC will improve electrical safety at coal mines. Research aim is to determine the interrelation between the indicated factors based on the statistical data in the 6–10 kV mains of coal mines according to SPGSC minor and moderate electrical traumas. Methodology. Coal production, development of single-phase ground short circuit and changes in numbers of injuries in the period from 1995 to 2018 have been analyzed making it possible to vividly and qualitatively estimate the dynamics of changes in coal output, the number of SPGSC, electrical traumas and determine the interrelation between these parameters. The discovered interrelation between SPGSC and electrical traumas allows to handle the problem of improving the electrical safety more seriously by means of reducing the number of SPGSC. Results. This article shows the main reasons of single-phase ground short circuit incidence depending on time. The article shows the main ways to lower the amount of single-phase ground short circuit in the 6–10 kV electrical systems of coal mines. Summary. Significant reduction in the number of single-phase ground short circuit in the 6–10 kV electrical systems and, as a consequence, reduction of electrical traumas at coal mines can be achieved by means of effectively limiting switching overvoltage, overvoltage in the mode of single-phase ground short circuit, reaching high selectivity of protection from ground short circuit and improving the quality of electrical energy, and limiting the overloading of electrical equipment and cables.

scholarly journals STATE OF THE ISSUE OF THE POWER SUPPLY SYSTEM'S RELIABILITY

2018 ◽  
pp. 47-79
Author(s):  
A. N. Shpiganovich ◽  
A. A. Shpiganovich ◽  
V. I. Zatsepina ◽  
E. P. Zatsepin
Keyword(s):  
Power Supply ◽  
Production Systems ◽  
Electrical Energy ◽  
Electrical Equipment ◽  
Electric Power System ◽  
Electricity Supply ◽  
Optimum Level ◽  
Industrial Enterprises ◽  
Increased Risk ◽  
Supply Systems

The electric power system of the Russian Federation was most developed in the 80-90s of the last century, after which there was an almost twofold decline in the generation and transmission of  electrical energy in the system with subsequent growth. The main  problem of fuel and energy complexes is the progressive aging of  fixed production assets in conditions of increasing energy  consumption requirements, which is a source of increased risk of  major accidents. In this case, negative disturbances can arise both in the system itself and be external to it and can lead not only to a low  quality of electrical energy but also to interruptions in power supply.  The studies carried out to date are devoted to a quantitative  assessment of the reliability of power supply systems and their  equipment and do not take into account the effects of electrical equipment failures on the characteristics of production processes and the operation of technological machines. To consider the reliability of power supply systems in isolation from the operation of other systems (technological, relay protection, automation, ventilation, dewatering, etc.) means not to use the whole range of measures  aimed at improving the reliability of electricity supply, as a result it is impossible to ensure the optimum level of reliability of electricity  supply. Reliability of the power supply system must be evaluated taking into account the interaction of electrical equipment with the  equipment of all production systems. The problem of increasing the  efficiency of the functioning of industrial enterprises by optimizing  the parameters of the reliability of power supply systems is topical and of great economic importance.

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