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Browsing Power Systems Engineering by Issue Date

Browsing Power Systems Engineering by Issue Date

Now showing items 1-20 of 120

Efficiency Improvement of Distribution System by Optimal Placement of Voltage Regulator and Capacitor:

Addisu, Molla (2019-09)

Distribution system provides a final link between the high voltage transmission system and the consumers. Most Ethiopian electric power system has fed by a radial distribution system. Gondar is one of the cities supplied ...
Modeling and performance evaluation of existing solar powered water-pumping system installed at Merawi kolella- Ethiopia

Ewuntie, Edmealem (2019-09)

Solar energy is a very attractive renewable source of energy than other renewable source of energy due to relative small system size, free and sustainable generation source or fuel, noise free operation due to the absence ...
Enhancement of A Power System Dynamic Stability Using Statcom And Flc Based Stabilizer

Endalamaew, Habitamu (2019-10)

A power system network is an interconnection of large number of generating stations, long transmission lines, and distribution network loads. This an interconnected power system network will face to different instability ...
Voltage Stability Analysis of Ethio-Sudan Power System Interconnection, Its Potential Impacts and Improvement Methods

Yigzaw, Yalemsew (2019-10)

The Ethiopian Electric Power (EEP) is, undertaking a huge electric power generation, transmission and distribution expansion and it also started exporting electric power to neighboring East African Power Pool (EAPP) member ...
Investigation and Minimization of Power Loss and Voltage Profile Enhancement Using Unified Power Flow Controller (Case Study: North Western Region of Ethiopia 230 Kv and 400 Kv Transmission Systems)

Tsehay, Asresahegn (2019-10)

Power transmission system plays a vital role in transmitting the electric power generated at the generation station to the distribution system. When the power transmission system operates with heavily loaded lines resulting ...
Transient Stability Evaluation and Enhancement of the Ethiopian 230 Kv And 400 Kv Transmission Network Using Statcom

Baye, Getnet (2019-10)

In this thesis, transient stability enhancement using Static Synchronous Compensator (STATCOM) is presented. The test system was Ethiopian 230 kV and 400 kV power network. The study focuses on the effect of three phase ...
Mitigating Adverse Impact of Distributed Generation on Protection of Distribution Network

Takele, Haymanot (2019-11)

Distributed Generation (DG) is popularly used to improve the reliability, stability and voltage profile of a power system. In addition to the improvement, it arises problem in the protection of Distribution Network (DN) ...
Performance Evaluation of Line Stability Indices and Voltage Stability Monitoring of Power System Networks

HAGOSE, AGEGNEHU (2020)

Voltage instability has recently become a challenging problem for many power systems. It is one phenomenon that could happen in power system networks (PSNs) due to its overloaded condition. The result would be the occurrence ...
POWER FLOW CONTROL IN RADIAL DISTRIBUTION SYSTEM USING STATIC VAR COMPENSATOR (SVC): CASE STUDY ON DEBRE MARKOS TOWN DISTRIBUTION SYSTEM

MOLLA, AMELEWORK (2020)

Distribution system is the final stage in the delivery of electricity to end users. This system network carries electricity from the transmission system and delivers it to consumers. In the radial distribution system, there ...
INVESTIGATION AND DESIGN OF CAPACITOR COMPENSATION FOR LOSS MINIMIZATION AT WONJI SUGAR FACTORY

BIRHANU, ANDUALEM (2020)

In an electrical power system, the generated power is transferred through a high voltage transmission system, and it reaches the low voltage consumers at the distribution side. In a distribution system, real power loss is ...
Minimization of Losses on Electric Power Transmission Line Using UPFC (A Case Study of Bahir Dar to Debremarkos Transmission Line)

ADMAS, ASMAMAW (2020)

Power systems continuously subjected to various types of disturbances, which cause a lot of power system instability which lowers its efficiency. Power loss is the major one which decreases the efficiency of electrical ...
DESIGNING, MODELING AND ANALYSIS OF SOLAR AIDED BAGASSE DRYER SYSTEM TO IMPROVE POWER GENERATION IN WONJI SHOA SUGAR FACTORY

GEREMEW, ENDALE (2020)

This research work presents a method to design, model and analyze solar-aided bagasse dryer system to improve power generation and meet power demand of WSSF by reducing the moisture content of wet bagasse. WSSF is established ...
POWER QUALITY PROBLEMS IN INDUSTRIAL ENTERPRISES AND THEIR MITIGATION TECHNIQUES (CASE STUDY IN AMHARA PLASTIC PIPE FACTORY)

TSEGAYE, FIREW (2020)

Electric energy is essential for real world. Electric power system is the integration of generation, transmission and distribution stations. It is a network of electrical components deployed to supply, transfer, and use ...
TRANSIENT STABILITY ENHANCEMENT IN POWER GENERATION SYSTEM USING INTERLINE POWER FLOW CONTROLLER

AWOKE, BAYABLE (2020)

In Ethiopia the power demand has been increasing rapidly, power generation and transmission are being affected due to limited resources, environmental restrictions and other losses. Transient stability control plays a vital ...
IDENTIFICATION AND CORRECTION OF POWER QUALITY PROBLEMS USING DYNAMIC VOLTAGE RESTORER CASE STUDY: AMHARA-PLASTIC PIPE FACTORY

ALEMU, GETNET (2020)

Electrical energy is one of the simplest used forms of energy and with the betterment of technology, the dependency on the electrical energy has been increased rapidly. But, the quality of power is affected by different ...
Substation Design and Modeling for Amhara Metal Industry And Machine Technology Development Enterprise with IEEE Standards

KAHSAY, HAILEYESUS (2020)

Substations are part of a power system in which voltage transformation and switching take place. The need for building a new substation may arise to satisfy the load growth of customers or when the number of outgoing bays ...
MODELING AND SIMULATION OF FUZZY BASED AGC AND AVR WITH PSS TO IMPROVE SYNCHRONOUS GENERATOR SPEED DEVIATION OF HYDROPOWER PLANT (CASE STUDY ON TANA BELES HYDROELECTRIC PLANT )

LEUL, NEGESSE (2020)

Power systems operation become more important as the load demand increases. Therapid increase in load demand forces power systems to operate near critical limits. The aimof power systems operation is to serve energy with ...
Operational Reliability Evaluation of Hydroelectric power Stations Case Study:- Beles Hydroelectric power station

Worku, Woldemariam (2020)

By virtue of the vital nature of electric power, both to the economic and personal wellbeing, a power system is expected to supply electrical energy as economical as possible and with a high degree of quality and reliability. ...
VOLTAGE SAG AND PHASE ANGLE JUMP COMPENSATION USING FAULT CURRENT LIMITER (FCL) (CASE STUDY: BAHIR DAR SUBSTATION II)

GASHAW, MIHRET (2020)

An increasing of utilization of electrical energy, distribution system construction problems and load variations are subjected to increase the fault current level. The cause of voltage sags and phase angle jump is due to ...
DFT Based Phasor Estimation Algorithm Development and Voltage Stability Prediction Using Stability Indices in a Distribution Feeder

Gizaw, Kassaye (2020-01)

Nowadays power systems often operate close to their stability limit due to the rapid growth of new customers and inauguration of industrial sectors in the existing distribution networks. Even though the evolution of renewable ...

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Browsing Power Systems Engineering by Issue Date

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