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Browsing Faculty of Electrical and Computer Engineering by Submit Date

Browsing Faculty of Electrical and Computer Engineering by Submit Date

Now showing items 1-20 of 281

MITIGATION OF VOLTAGE SAG, SWELL AND SINGLE-PHASE OUTAGE USING DYNAMIC VOLTAGE RESTORER (DVR) WITH DIRECT CONVERTER

ASGEDOM, BEWKET (2020-03-16)

The overall production process of modern Industries of our country is highly supported by various linear and nonlinear loads like micro controllers, microprocessor’s, I/O interfacing devices, sensors and PLC’s. These loads ...
Voltage proﬁle improvement and power loss minimization using Static Var Compensator (SVC) in Bahirdar Distribution system

TAKELE, ABERE (2020-03-16)

Distribution systems hold a very signiﬁcant position in the power system since it is the main point of link between bulk power and consumers. Distribution systems are always suﬀering from some important problems such as ...
Reliability Assessment of distribution system with Distribution generation (Study Area Dangila distribution substation

Mamo, Addisu (2020-03-16)

The economic and social effects of loss of electric service have significant impacts on both the EEP and EEU supplying electric energy for end users of electric service. A stable and reliable manner of electric power supply ...
TRANSIENT STABILITY IMPROVEMENT USING UNIFIED POWER FLOW CONTROLLER WITH FUZZY LOGIC (CASE STUDY ON: - BAHIR DAR SUBSTATION II)

KASSIE, ALEBACHEW (2020-03-16)

Power systems continuously subjected to various types of disturbances, which cause the problem of losing stability. The cause of instability is disturbances. Many techniques have applied to decrease the negative impact of ...
EVALUATION AND ENHANCING THE RELIABILITY OF SUBSTATIONS BASED ON PROTECTION FAILURE (CASE STUDY: BAHIR DAR II SUBSTATION)

GETANEH, ALEMAYEHU (2020-03-16)

Substations are connecting the generating station, transmission systems and load centers. Most studies about substation reliability focus on only reliability adequacy by neglecting the protection failures. The reliability ...
EXCITATION LOSS DETECTION OF SYNCHRONOUS GENERATOR ON POWER SYSTEM PERFORMANCES

Ygzaw, Alganesh (2020-03-16)

Generating steadiness of synchronous generators is highly dependent on their exciter, as the direct current from excitation system sustains generator stator and rotor windings magnetically coupled. However, any excitation ...
NEURAL NETWORK BASED DEMAND RESPONSE ANALYSIS IN SMART GRID

BEYENE, ASSEFA (2020-03-16)

Conventional power grid which allows single directional power flow is basically controlled and managed using electromechanical systems. Such conventional system has many problems including high loss, no responsiveness to ...
Design and Economic Analysis of Solar/Biomass Electric Power Generation to Replace the Existing Power Supply Utility For TZA Dairy Farm and Milk Processing Factory

Tilahun, Assemie (2020-03-16)

Ethiopia is experiencing shortage of electric power that is likely to be decreasing day to day, and which tends to use renewable energy resources to execute energy crisis. Tiret is one of the endowment companies in Ethiopia ...
EVALUATION AND MITIGATION OF POWER QUALITY PROBLEMS IN THE INDUSTRIAL PLANTS, (CASE STUDY: UNIQUE MACARONI AND PASTA FLOUR FACTORY IN BAHIRDAR CITY)

Bayu, Atinkut (2020-03-16)

This thesis focuses on the evaluation and mitigation of power quality problems of Unique Macaroni PLC factory which is found in Bahir Dar town. The evaluations investigate the major electrical power quality problems of the ...
IMPROVEMENT OF DISTRIBUTION SYSTEM RELIABILITY USING DISTRIBUTED GENERATION AND CIRCUIT RECLOSERS (CASE STUDY: MOTTA SUBSTATION)

GETIE, BEWKETU (2020-03-16)

Reliable power supply is the best factor for the economic, social and technological growth of a country. For assuring this the efficient usage and management of available energy is mostly required. The problems of utilities ...
OPTIMAL ALLOCATION AND SIZING OF DISTRIBUTED GENERATION IN DISTRIBUTION SYSTEMS FOR VOLTAGE PROFILE IMPROVEMENT AND POWER LOSS REDUCTION (Case Study at Bahir Dar Power Distribution Network)

YESHAMBEL, DEREBE (2020-03-16)

Electrical energy plays a vital role in the socio-economic development of a nation. Distributed Generation (DG) integration in electrical distribution system represents a reliable option to combat for the power system ...
INVESTIGATION AND MITIGAION OF POWER QUALITY ISSUES USING UNIFIED POWER QUALITY CONDITIONER (A Case Study in Bahir Dar Textile Share Company)

BITEW, DESSALEGN (2020-03-16)

The electrical energy is one of the best and easily used forms of energy and with the advancement of technology; the dependency on the electrical energy has been increased greatly. However, the quality of power being ...
Design a PV Power Supply System for Water Pumping System (Case study for Wada Barwaqo Kebele)

ASNAKE, ELIAS (2020-03-16)

Different media broadcasted1 that some parts of the country, especially Oromia, Ethio - Somali and Afar National Regional States faced the worst drought in 50 years triggered by El Nino in 2017. The livelihoods of the ...
FEASIBILITY STUDY OF SOLAR PHOTOVOLTAIC POWERED DC SUPPLY FOR OFFICE EQUIPMENT

KASSAHUN, ELIAS (2020-03-16)

In normal condition, almost all office buildings are designed to use AC supply for powering the office equipment like computers, laptops, fans, lights, fax, printers etc. But most of the equipment consumes the power first ...
PERFORMANCE ENHANCEMENT OF DISTRIBUTION SYSTEM USING OPTIMALLY ALLOCATED DISTRIBUTED GENERATION: - A CASE STUDY ON BAHIR DAR POWER DISTRIBUTION

Mandefro, Elias (2020-03-16)

The rapid growth of power demand and urbanization needs a quality and reliable power supply system. On the other hand, the existing passive distribution network and high cost of power transmission from generation can’t ...
DESIGN OF FUZZY LOGIC CONTROLLED WIND –DIESEL HYBRID POWER GENERATION SYSTEM (CASE STUDY: BERBERA DISTRICT)

MUSE, FAISAL (2020-03-16)

Energy is critical to the economic growth and social development of any country. The ever increasing and continuously unpredictable fluctuating diesel prices, with a location that is rich in different renewable energy ...
CONTINGENCY ANALYSIS OF ETHIOPIAN POWER SYSTEM ON 230 kV AND 400 kV TRANSMISSION LINES

BEWKET, GENANEW (2020-03-16)

To ensure Ethiopian transmission system is planned and operated safely, economically and reliably, steady state contingency analysis must be performed. Contingency analysis is an energy management system to give the operators ...
DESIGN AND MODELLING OF 33KV OVERHEAD RING DISTRIBUTION NETWORK FOR BAHIR DAR TOWN (INDUSTRIAL ZONE AND FACTORY AREAS)

YARED, HABITU (2020-03-16)

Since all of Distribution network of Bahir Dar Town is only 15KV, Radial, and unreliable, all customers having the same area tapped with one radial feeder due to these rehabilitations is required and implemented starting ...
OPTIMAL NETWORK RECONFIGURATION AND DISTRIBUTED GENERATION ALLOCATION IN DISTRIBUTION SYSTEM FOR POWER LOSS MINIMIZATION AND VOLTAGE PROFILE ENHANCEMENT: A Case Study of Bahir Dar Distribution Network

Aberie, Habtemariam (2020-03-16)

In a radial distribution system, which is typical for Ethiopian electric power distribution network, not only a substantial amount of power is lost but also the voltage profile of distant nodes from the main supplying ...
INVESTIGATION and RELIABILITY IMPROVEMENT of RADIAL DISTRIBUTION SYSTEM using FLISR TECHNOLOGY /Case study on Asella Distribution System/

Mindaye, Hailemichael (2020-03-16)

Asella DN is selected as case study in which customers has complained due to highly rated power outage in the distribution system. Asella DN is radial in nature that makes them vulnerable to customer interruption due to ...

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