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FYP presentation 4/01/2013

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Ling Hsih Hwa

on 26 January 2013

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Transcript of FYP presentation 4/01/2013

Power System Modeling Supervisor - Dr Deepak Laxmanrao Waikar
Co-supervisor - Mr Chia Soo Ping
Members - Ng Junhui
Ang Seng Hong
Ling Hsih Hwa INTRODUCTION Fundamental concepts of power system analysis in Year 2
Ensure that the system will operate safely, economically, and efficiently
Applications to real-world problems (load flow studies, cable capacity studies, short-circuit studies, relays coordination studies, stability studies, and routine motor-starting considerations )
Design new network
Planning future expansion of network
Test existing network
Determine the best operation in existing network OBJECTIVE 1. Educate students

2. Design Concept SOFTWARE Application Minimize risk

Does not expose to possible risk of accident

Design any desired network

Mistakes and errors can be made, analyze and learn

Real-time simulation etap Components are given in detail
Operates in real-time
Able to do the necessary analysis that we need
Simulations and outputs are realistic and can be use
Software is available in SP Power System Simulation lab PROJECT TIMELINE Start on 1st etap 1st Presentation Consolidate results 18/6 3/10 11/12 03/8 2012 28/9 11&25/11 28/9 7&10/11 11/12 Completion of etap simulation Start on SP network Meet Estate department Site visit 1 Site visit 2 Result Analysis Short-Circuit Short circuit is a low-resistance connection established by accident or intention between two points in an electric circuit
No resistance and no voltage drop across the short
Excessive electric current potentially causes circuit damage, overheating, magnetic stress, arcing, fire or explosion
STUDIES are done to determine the magnitude of the currents flowing throughout the power system after a fault occurs
Provide necessary over current protection devices
minimize damage to system components and limit the extent and duration of service interruptions
Relays co-ordination To minimize hazards/damages to personnel, equipments and least disruption of power service
To select or verify the clearing characteristics of fuses, breakers, relays and protective device setting
Devices are located at strategic/coordinated points
Limit the resulting power outage to only the portion of the circuit downstream of the protective device
Power supply to loads in the remainder of the system is maintained
To achieve an optimum balance between equipment protection and selective fault isolation Load flow Firstly, to determine the voltage, current, active and reactive power and power factor in a power system
Contingency conditions, such as the loss of a generator, a transmission line, a transformer, or a load
Alert the user to conditions that may cause equipment overloads or poor voltage levels
Secondly, to determine the optimum size and location of capacitors for power factor improvement
Thirdly, system voltages under conditions of suddenly applied or disconnected loads
Lastly, starting points for stability studies
Newton-Rapson Method used for load flow analysis to determine whether the bus bar at the load is overloaded. Why a study? Planning, design and operation of power systems
To assist in the evaluation of the initial and future system performance, system reliability, safety, and the ability to grow with respective requirements
To ensure that the system will operate safely, economically, and efficiently
Examples are load flow studies, cable capacity studies, short-circuit studies, coordination studies, stability studies, and routine motor-starting considerations
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