Book overview: Dynamic Security of Interconnected Electric Power Systems
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Brief Overview
ByDr. Eng. Mohamed EL-Shimy Mahmoud
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Publisher:
• LambertAcademic
Publisher /OmniscriptumGmbh & CompanyKg., 2015
The book consists oftwo volumes
• Volume 1:
• ISBN 978-3-659-
71372-9• No. of pages:
116
• Volume 2:
•
ISBN 978-3-659-80714-5
• No. of pages:648
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• Associate professor in the EPM department – Facultyof Engineering – Ain Shams University.
• Expert in the electromechanical electric energysystems and technical trainer.
• Teaches several undergraduate and graduate courses
• Published many research articleshttps://goo.gl/yqyAog
• Prepared and presented many international trainingcourses
• Please visit http://shimymb.tripod.com for someother info
Dr. Mohamed EL-Shimy Mahmoud
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• Main operational requirements of powergrids – Economic feasibility cost minimization
–Ecological constraints
– Power balance requirements
– Operational constraints
– Power quality constraints
– N-k reliability
– Adequacy (static security)
– Dynamic security
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• Characterization of power sources
– Variability
– Intermittency
– Predictability
– Installed and available capacities
– Dispatchability
– … etc
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• Feasible use of variable sources without storage –
distributed vs. centralized sources
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• Generalized applications of variable sources
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• Power imbalance disturbances – Large changes in the loads
– Forced outage of generators
–Faults in the power grids• Generator disconnection
• Load disconnection
• Network insufficiency
• Islanding – Fuel insufficiency in non-variable generators
– Inherently variable sources (e.g. wind and solar)
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• System security – operational states
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•The ability of the system towithstand credible contingencieswithout violating the normaloperating limits.
System security – definition
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Security studies
Static Security
Detects any potential
overload of a systembranch or an out of limitvoltage following a given
list of contingencies
Dynamic Security
Evaluate the system
dynamic behavior in termsof transient stability ordynamic voltage stability
when subjected toperturbations
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Main functions of
system securityand control centers
System monitoring,
modeling & S.E
Non-synchronized
Synchronized
Contingency analysis
Off-line
On-line
Corrective actions
Analysis:
Off-line
Analysis:
On-line
Implementation:
On-line
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Electromechanical equivalency and
dynamic order reduction for fast
dynamic security evaluation
Off-line methods
Coherency and datasets
On-line methods
On-line synchronized measurementsand advanced reduction techniques
considering new technologies
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• Construction of tools for fast and onlinedynamic security evaluation andenhancement
•
Modeling, simulation, and analysis ofpower systems for dynamic stabilityanalysis – Considering some emerging technologies
• Stability improvements and stabilizationcontrol of power grids
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This book is written for
High-level students
and researchersworking in the fields ofpower system security
and stability.
Engineers involved in
the operation, control,and planning ofelectric power
systems.22
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