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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Edufisika: Jurnal Pendidikan Fisika Jurnal Psikologi Perseptual Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Pengembangan Rekayasa dan Teknologi Elektrika Jambura Journal of Electrical and Electronics Engineering International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) Electrician : Jurnal Rekayasa dan Teknologi Elektro Tematik Jurnal Pembelajaran dan Ilmu Pendidikan Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Gotong Royong Journal of Community Engagement in Health

Titik Nurhayati

Program Studi Teknik Elektro, Universitas Semarang

Author-ID : 3401623

Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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Desain dan Implementasi Maximum Power Solar Tracker Menggunakan Panel Photovoltaic di Kota Semarang Harmini, Harmini; Nurhayati, Titik
Elektrika Vol 15, No 2 (2017): Oktober
Publisher : Elektrika

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The purpose of this research is to design and implementation Maximum Solar Power Tracking system using photovoltaic panel, in order to increase solar panel efficiency and power. Data collection is done for the condition in Semarang city. The result of the research is expected to be base in planning of solar power system in Semarang city, whether it is for lighting lamp planning and for Solar Home System (SHS). This MPPT system design uses standard 180 degree servo motor to drive photovoltaic panel and control circuit using ATmega IC, while simulation using MATLAB program. Tracking is done by online tracking method by moving the photovoltaic panel to the radiation of the sun. Tracking simulation is done with step 20, 50 and 180 step. The average of voltage generated by system without tracking is 3.97 Volt while the average voltage generated by tracking system is 4.72 Volt. Efficiency between system without tracking and tracking system is 66.28% for tracking system and 78.78% for tracking system

EVALUASI INSTALASI LISTRIK PADA GEDUNG MULTI CENTRE OF EXCELLENT (MCE) RUMAH SAKIT ISLAM SULTAN AGUNG SEMARANG Wahyu Pramon, Eko; Karnoto, Karnoto; Nurhayati, Titik
Elektrika Vol. 9 No. 1 (2017): April 2017
Publisher : Universitas Semarang

MCE Building Sultan Agung Islamic Hospital Semarang is a public facility that requires an electrical installation system that is in accordance with PUIL 2000. The purpose of evaluating electrical installations at the Multi Center of Excellent (MCE) building in Sultan Agung Semarang Islamic Hospital is to find out electrical installations in accordance with PUIL 2000 Evaluation of electrical installations includes calculation of MCB security and calculation of cable size. Calculation using manual calculation method and calculation using Ecodial Calculation 4.7 software. The calculation results are then compared to the installed units. From the results of the comparison it can be seen whether the electrical installation is in accordance with PUIL 2000. The results of the analysis can be concluded that the electrical installation system in the MCE building of Sultan Agung Semarang Islamic Hospital is in good condition and safe. In MCB installed units, they are in accordance with the PUIL 2000 standard. In the cable sizes installed several are in a condition not in accordance with the PUIL 2000 standard so cable replacement is required. For example, on the 1st floor divider panel SDP cable where the installed cable is 4x35 mm2, it is replaced by 4x95 mm2.Keywords: Evaluation of Electrical Installation, PUIL 2000, Ecodial Advance Calculation 4

DESAIN DAN IMPLEMENTASI MAXIMUM POWER SOLAR TRACKER MENGGUNAKAN PANEL PHOTOVOLTAIC DI KOTA SEMARANG Harmini, Harmini; Nurhayati, Titik
Elektrika Vol. 10 No. 1 (2018): April 2018
Publisher : Universitas Semarang

The purpose of this research is to design and implementation Maximum Solar Power Tracking system using photovoltaic panel, in order to increase solar panel efficiency and power. Data collection is done for the condition in Semarang city. The result of the research is expected to be base in planning of solar power system in Semarang city, whether it is for light-ing lamp planning and for Solar Home System (SHS). This MPPT system design uses standard 180 degree servo motor to drive photovoltaic panel and control circuit using ATmega IC, while simulation using MATLAB program. Tracking is done by online tracking method by moving the photovoltaic panel to the radiation of the sun. Tracking simulation is done with step 20, 50 and 180 step. The average of voltage generated by system without tracking is 3.97 Volt while the average volt-age generated by tracking system is 4.72 Volt. Efficiency between system without tracking and tracking system is 66.28% for tracking system and 78.78% for tracking system.Keywords: MPPT,Solar Photovoltaic, Tracking.

DESAIN SISTEM POMPA AIR SOLAR PHOTOVOLTAIC (SPV) 125 WATT DI DESA RAMBAT, KECAMATAN GEYER, KABUPATEN GROBOGAN Harmini, Harmini; Nurhayati, Titik
Elektrika Vol. 10 No. 1 (2018): April 2018
Publisher : Universitas Semarang

In this research will be designing a prototype of a water pump system using solar photovoltaic (SPV) that is designing a SPV in accordance with the needs of PV with the capacity of water pump. The power generated by the photovoltaic system will be used to drive the water pump. One of the areas in Central Java region that have not received water source is Dusun satreyan, Rambat Village Geyer Subdistrict Grobogan District. The solar photovoltaic (SPV) water pump system is de-signed using SPV panels, Solar Charge Controller, Battery and Inverter for the needs of 1 family head with water capacity per day is 300 Liter. The water pump capacity is 125 Watt, the number of SPV panels of 2 each with a capacity of 100 Wp, battery capacity, solar charge controller and inverter is 60 Ah, 10.42 Ampere and 12 volts DC 220 VAC. The average effi-ciency rating of the SPV water pump system as a whole is 61.18%Keywords: MPPT,Solar Photovoltaic, Tracking.

PEMODELAN SISTEM PEMBANGKIT HYBRID ENERGI SOLAR DAN ANGIN Harmini, Harmini; Nurhayati, Titik
Elektrika Vol. 10 No. 2 (2018): Oktober 2018
Publisher : Universitas Semarang

Hybrid energy system is to combine two energy sources that will provide power to the load. Sources of solar energy and wind energy will be used to generate power. In this research will be designed a model of hybrid system of solar energy and wind energy. The system is made equipped with energy storage systems in the form of batteries. Simulation or modeling using a circuit with components appropriate to the field application. Analysis of this system is the performance of hybrid generator characteristics based on load changes in the form of voltage, current and power values. The power generated by the PLTS is 3,000 Watts and the wind generator is 1,000 Watt with a resistive load of 4,000 Watt. Hybrid system generates a power of 2640 Watt so that the efficiency of hybrid system by 66%Keywords: Hybrid system, wind energy, solar energy

SIMULASI PH AIR UNTUK AIR BOILER DAN AIR CHILLER PADA MESIN PRODUKSI REFRIGERATOR DENGAN MENGGUNAKAN LOGIKA FUZZY Irawan, Andhika; Heranurweni, Sri; Nurhayati, Titik
Elektrika Vol. 11 No. 1 (2019): April 2019
Publisher : Universitas Semarang

The need for water is very important for the production process, the water quality must also be considered the pH value so that the water is suitable for use in boilers or chillers. Seeing from these needs a simulation was made on matlab R2017a using a fuzzy toolbox that can find out the water quality with fuzzy mamdani method. This fuzzy logic simulation can determine the standard value of boiler water pH (10.5-11.5) and the standard pH value of chiller water (6-8) in the production machine. The methods in fuzzy logic used are mamdani and centroid methods as deffuzification with R2017a matlab simulation tool. The fuzzy inference system used is the mamdani method. This study made a simulation of mamdani method that can determine the quality of the PH water produced by using fuzzy logic. Chiller water pH can be used if iron ion values (0-2 ppm), silica ions (50-150 ppm), Total Dissolved Solid (TDS) (500-1000 ppm), total Hardness (100-200 ppm), M-alkalinity (500-750 ppm) from the standard value, the pH of the chiller water can be proven to reach a water pH value of 6-8. Boiler water pH can be used if iron ion values (0-2 ppm), silica ions (100-150 ppm), Total Dissolved Solid (TDS) (2000-3500 ppm), total Hardness (0-3 ppm), M-alkalinity (700-800 ppm) from the standard value, the pH of boiler water can be proven to reach a water pH value of 10.5-11.5.Keywords: fuzzy logic, Mamdani method, pH of boiler water

Desain Solar Power Inverter pada Sistem Photovoltaic Harmini, Harmini; Nurhayati, Titik
Elektrika Vol. 12 No. 1 (2020): April 2020
Publisher : Universitas Semarang

Solar power inverter is one of the main components in the PLTS system in order to produce the power or energy needed by the load. Solar power inverter is used to convert from DC energy (Direct Current) to AC (Alternating Current) to load. In this research a simulation of a solar power inverter system on a photovoltaic system will be designed. Simulation is done using SIMULINK-MATLAB software. Solar power inverter is designed using a boost converter as a controller and a Full-Bridge Inverter. Boost Converter is designed from 12VDC - 17 VDC to 300 VDC. Full Bridge Inverter produces AC voltage of 240 VAC with modulation index 0.8 and frequency 60 Hz. Total Harmonic Distortion is 46.07%. Power of Photovoltaic Solar panels generated at 3500 Watts at 1000 Watt / m2 irradiation conditions and temperature temperatures of 25 degrees Celsius.

Co-Authors Aditya Pradana, Aditya Andi Kurniawan Andi Kurniawan Nugroho aryan, isya Budiani Destyningtias Budiani Destyningtias Destiningtyas, Budiani Dinar Mutiara K.N Fariansyah, Irham Hardani Widhiastuti Harmini Harmini Harmini, Harmini Irawan, Andhika Istata, Marita Dony ISYA ARYAN, ISYA ARYAN SULISTYO Juliartadi, Hendra Ady Karnoto . Nurul, Yusuf Rusliyana Nuarita, Rusliyana Samsuri Samsuri Satria Pinandita Septiani, Tri Asih Sianipar, Niko Ardiansa Sri Heranurweni Supari Supari Supari, Supari Wahyu Pramon, Eko Wijayanto, Muhammad Alvis Yudi Kurniawan

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