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All Journal Journal of Business Strategy and Execution Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains
Feranita Feranita
Alumni of School of Marketing, BINUS BUSINESS SCHOOL, BINUS UNIVERSITY, JWC Campus, Jl. Hang Lekir I No. 6, Kebayoran Baru, South Jakarta 12120
Economics, Econometrics & Finance Engineering

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THE EFFECTS OF COUNTRY OF ORIGIN AND PERCEIVED RISK ON INITIAL TRUST: AN EXPERIMENTAL EVALUATION OF THE PERCEPTION OF INDONESIAN CONSUMERS ON SERVICE INDUSTRY ACROSS HIGH RISK AND LOW RISK SERVICES Farina, Tara; Feranita, Feranita
Journal of Business Strategy and Execution Vol 3, No 1 (2010): Published on November 2010
Publisher : Bina Nusantara University

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Abstract

To uncover how COO and perceived risk affect the initial trust in service industry; and to compare these effects across two service industry – high risk versus low risk. A total of 180 respondents were evaluated with different combinations across 2 service industries. The research findings confirmed the effect of country of origin and corporate reputation on initial trust and the relationship between perceived risk and COO. Before engaging to a service, respondents put into considerations for COO and corporate reputation. COO effect may differ across different service industry.
Analisa Ketidak Seimbangan Beban Terhadap Arus Netral Dan Losses Pada Transformator Distribusi Di Gedung Fakultas Teknik Universitas Riau Fahrurozi, Fahrurozi; Firdaus, Firdaus; Feranita, Feranita
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Load Imbalancing in power distribution system that has been occurred either by inconstant load factor in its phase or power on with diffrent period. The consequences of Load Imbalancing is current appears in neutral trafo and losses cannot avoid. Decreasing quality of voltage and current, trafo efficiency, enegy measuring is loss that caused. voltage and Current quality is going decrease due to 0 current distort basic wave until bad. Keywords: loadimbalance, losses, and neutral current.
Analisis Pengurangan Efek Transien Terhadap Penggunaan Switching Kapasitor Bank Pada Saluran Transmisi 150 KV Apriyal, Derry; Zakri, Azriyenni Azhari; Feranita, Feranita
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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The use of bank capacitors in an effort to increase the power factor in power quality issues, has several problems to be aware of. Switching capacitor banks during energization can cause transient surges related to transient voltages and currents. This study discusses the simulation and analysis of more transient voltage due to the switching of bank capacitors that occur in riau transmission line 150 kV using MATLAB Simulink 8.7. The effect of transient state when switching capacitor banks can have a detrimental impact, both for equipment and the system as a whole. Use Synchronous Closing Breaker as one solution to solve this problem. By using Synchronous Closing Breaker can reduce the voltage more in the transient state and dampen the oscillations that occur. The result of simulating the transient voltage value produced on Garuda Sakti bus reaches 1.35 pu, and the use of synchronous closing breaker method can reduce the transient voltage up to 1.04 pu. To reduce transient oscillations, it can also reduce transient current from a value of 532.2 A can be reduced to 476.1 A. The percentage of transient voltage reduction of synchronous closing breaker usage is 22.96%.Keywords: Electric Power System, Transient, synchronous closing breaker, Matlab R2016a/Simulink.
Analisis Pengurangan Efek Transien Terhadap Penggunaan Switching Kapasitor Bank Pada Saluran Transmisi 150 KV Apriyal, Derry; Zakri, Azriyenni Azhari; Feranita, Feranita
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The use of bank capacitors in an effort to increase the power factor in power quality issues, has several problems to be aware of. Switching capacitor banks during energization can cause transient surges related to transient voltages and currents. This study discusses the simulation and analysis of more transient voltage due to the switching of bank capacitors that occur in riau transmission line 150 kV using MATLAB Simulink 8.7. The effect of transient state when switching capacitor banks can have a detrimental impact, both for equipment and the system as a whole. Use Synchronous Closing Breaker as one solution to solve this problem. By using Synchronous Closing Breaker can reduce the voltage more in the transient state and dampen the oscillations that occur. The result of simulating the transient voltage value produced on Garuda Sakti bus reaches 1.35 pu, and the use of synchronous closing breaker method can reduce the transient voltage up to 1.04 pu. To reduce transient oscillations, it can also reduce transient current from a value of 532.2 A can be reduced to 476.1 A. The percentage of transient voltage reduction of synchronous closing breaker usage is 22.96%.Keywords: Electric Power System, Transient, synchronous closing breaker, Matlab R2016a/Simulink.
Analisis Penempatan Recloser Untuk Mendapatkan Indeks Keandalan Terbaik Menggunakan Metode Ant Colony Optimization (ACO) Dwidana, Atikah Zahrah; Sukma, Dian Yayan; Feranita, Feranita
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The distribution system is an important part of the electrical energy distribution activities as directly connected to the customers. Therefore, the distribution system is always required to have good reliability. One of solution to increase reliability is using recloser in the medium voltage feeder.Optimal placement of recloser will be able to maximize reliability. In this researched, the author used a Ant Colony Optimizization method in determining the optimal position of recloser. Objective function is combining SAIFI and SAIDI. SAIFI and SAIDI are calculated using section technique method. Simulation calculations using MATLAB (Matrix Laboratory) programming. Program testing was carried out on the Gurami Feeder network at PT. PLN (Persero) ULP West City Pekanbaru Area which distributes electrical energy sourced from the Garuda Sakti Substation. Gurami feeder is a radial distribution network. Based on the application of the ACO method, the best position for placing the addition of a recloser on the main feeder before the distribution transformer is KB-0508 (100kVA). The addition of the recloser with the best position resulted in a reduction in the SAIDI value from the initial value of 16.647 hours/year to 14.040 hours/year and the SAIFI value from the initial value of 18.907 times/year to 15,928 times/year. Keywords: reliability, ant colony optimizazition, section technique, recloser.
Co-Authors Apriyal, Derry Azriyenni Azhari Zakri Dian Yayan Sukma, Dian Yayan Dwidana, Atikah Zahrah Fahrurozi, Fahrurozi Firdaus Firdaus Tara Farina