Old course of MSPS, IOE Pulchowk
Advanced Mathematics
|
EG 801 EE
|
Optimization Techniques: Linear programming, Non-linear
programming, Quadratic programming; Differential equations: Non-linear
differential equations, partial differential equation; Simultaneous equation: Matrix
and determinants, Eigen values and Eigen vectors; Probability and statistical
analysis.
Digital Simulation and Analysis of Power System
|
EG 802 EE
|
Static Modeling of Power System and its Components:
Modeling of lines, transformers, generators & loads, Zbus and Ybus
formation; Load flow Methods: Gauss-Seidel method, N-R method, fast
decoupled methods, D.C. load flow, Sparcity of network admittance matrices
& triangular decomposition; Power system security: Short circuit studies
for large power system networks, static security assessment contingencies
screening & analysis; Network reduction & static equivalents; Transient
in Power systems: Surge characteristics of transmission lines, Electromagnetic
transient calculations, Over voltage on sudden loss of load, Voltage dips,
control strategies; Application of power system software packages.
Distribution System Planning and Management
|
EG 803EE
|
Rural & urban distribution: Major characteristic
differences, load density, load patterns, load forecasting & load
management; Assumptions & input data required for load forecast, load
forecast methodology, optimal load management criterion & constraints
Distribution system load flow techniques: Various load flow criterion for
radial distribution networks, considerations of looped networks; Distribution
system planing: Primary and secondary distribution route alignment, area
substation selection, technical & non-technical losses, technical &
financial constraints, economical analysis; Voltage Control: Voltage drops due
to real and reactive component of load, optimal VAR control, voltage
regulators; Distribution system protection :Over-current protection devices for
distribution system, fault current calculation, coordination of protective
devices; Distribution system automation :
Power System Dynamics and Stability
|
EG 804EE
|
Dynamic modeling of power system components: Generators
(Non-linear and linear, excitation system (IEEE standard models), turbine and
speed governing system, loads, flexible AC transmission system (FACTS) devices;
Transient stability analysis: Single machine-infinite bus system, multi-machine
stability, network reduction and numerical integration methods; Small signal
stability analysis: Eigen value and participation factor analysis, single
machine-infinite bus and multi-machine simulation, effect of excitation system
and AVR, power system stabilizer and
SVS supplementary controls;
Voltage stability: P-V and Q-V curves, impact of load and tap-changer dynamics,
static analysis, sensitivity and continuation methods.
POWER
SYSTEM PLANING AND ECONOMICS
EG 851 EE
Introduction to power system planning;
Characteristics of electricity demand and its representation; Electricity
demand forecast; Demand side management: end-use efficiency improvement,
techno-economic analysis; Characteristics of electricity generating
technologies; Dynamic programming and
unit commitment based on dynamic programming; Levelized busbar cost analysis;
Screening curve analysis Generation system reliability; Insvesment planning
model ; WASP IV - generation planning program; Transmission planning and pricing; Electricity pricing : Peak load
pricing, Marginal cost pricing, Avoided cost pricing; Environmental considerations in power
POWER
SYSTEM OPERATION AND CONTROL EG 852EE
Economic Operation: Economic load dispatch, Use of
loss formulae, Linear programming to E.L.D, Economic emission dispatch, Water discharge
characteristic of hydro units, Hydro thermal scheduling, Unit commitment; Power
system security: System security, Optimal power flow considering security
constraints; Reactive Power Generation Control: Control strategy of reactive
power generation, Methods of supplying reactive power, Reactive power
capability of alternator, Basic concept of reactive power dispatch; State
Estimation: State estimation fundamental, DC state estimation, Least-squares
estimation, AC state estimation, Advanced topics in state estimation,
Application of power system state estimation; Load Frequency Control/AGC
Control: Block diagram and transfer function representation of turbine model,
Modeling of governing system, Generator and load modeling, Static and dynamic
response, Secondary ALFC, Control area, Multi-area system, Tie-line model, PID
controllers.
POWER
ELECTRONICS AND DRIVES (ELECTIVE) EG 873EE / EG923EE
Review of Power Electronic Devices and Firing
circuits; Rectifiers: Single phase and
three phase rectifier, Semi controlled and fully controlled rectifiers , 6 pulse and 12 pulse operation,
PWM controlled rectifier; Inverters : Single phase and three phase inverter,
Effect of harmonics in torque production, PWM inverter, Current source inverter;
DC Chopper : Step down chopper, Step up chopper, Four quadrant operation of
chopper; AC voltage controller: Single phase and three phase ac voltage
controller, Cylco-converter, AC voltage controller with PWM control;
Applications in dc and ac drives; Applications
in Power System: HVDC transmission system, VAR compensation, Transformer tap
changer, Phase shifting transformer.
POWER
SYSTEM RELIABILITY (ELECTIVE) EG 876 EE / EG927EE
Basic probability theory; Engineering applications
of binomial distribution; Network modeling and evaluation of simple systems and
complex systems; Probability distribution in reliability evaluation; System
reliability evaluation using probability distributions; Discrete markov chains
and Continuos markov process; Frequency and duration techniques; Approximate system reliability
evaluation; generating capacity.
FLEXIBLE AC TRANSMISSION
SYSTEMS(ELECTIVE) G 872EE
/ EG922EE
Introduction : Need and Concepts of FACTS
Controllers; Reactive Power Control in Power Systems: Uncompensated
Transmission Lines, Lines with Passive Compensation-Shunt Compensation and Series Compensation; Conventional Reactive
Power Compensators: Synchronous Condensers, Thyristor Controller Reactor (TCR) , Thyristor
Switched Capacitor (TSC), Fixed Capacitor – TCR, Comparison of different controllers; SVC Control : Basic Control
System Components, Modelling of
SVCs, Concepts of SVC Voltage Control,
Design of Voltage Controller; Applications of Static Var Compensators : Load
Compensation, Increase in Steady State Power Transfer Capacity, Enhancement of Transient Stability,
Improvement of System Damping, Suppression of Sub-synchronous Resonance,
Prevention of Voltage Instability, Improvement of HVDC Link Performance;
Thyristor Controlled Series Capacitor (TCSC) : Principle of Operation, Control
of TCSC, Modelling of TCSC; Applications
of TCSC : Improvement of System Stability,
Enhancement of System Damping,
Suppression of SSR, Prevention of
Voltage Instability; Emerging FACTS Controllers: Static Synchronous Compensator
(STATCOM), Static Synchronous Series Compensator (SSSC), Unified Power Flow
Controller (UPFC)
EXTRA HIGH VOLTAGE AC TRANSMISSION
(ELECTIVE) EG 878EE / EG928EE
EHV Transmission Line Trends : Standard Voltage, Power handling Capability, HVAC & HVDC,
Electric Fields and their estimation, Types of Fields; Electrical Aspects of
EHV lines : Over voltages on EHV Lines, power frequency, switching &
Lightning over voltages, over voltage protection schemes & Insulation
co-ordination; Partial Discharge(PD) & Corona : Types of PD & Coronas
(Glow, streamer & Leader), Corona Power loss, EMI & AN due to corona,
Selection of conductors based on corona performance; HV power cables & Gas
insulated systems: their development;
design and performance Series & Shunt compensations: Sources &
sinks of reactive power, sub synchronous Resonance & Ferro Resonance, Fixed
and static VAR compensation; EHV Testing & Laboratory Equipment : Standard
wave shapes of lightning and switching Impulse Voltages, Generation &
measurement of high AC, DC and Impulse Voltages, Non-destructive testing.
ELECTRIC UTILITY MANAGEMENT
(ELECTIVE) EG 879EE
/ EG929EE
Organization
of Electric Utilities; Regulation of Electric Utilities; Deregulation of
Electric Utilities; Restructuring and
Privatization of Electric Power Industries; Financing of Power Sector
Investment, Traditional Financing, Project Financing and Risk Analysis;
Electric utility Financial Statement Analysis, Income Statement, balance Sheet,
Funds Flow Statement; Projection of Financial Statement; Corporate Financial
Simulation Model
PROJECT APPRAISAL TECHNIQUE (ELECTIVE) EG881EE/EG931EE
Economic
Concept: Difference between financial and economic analysis, Shadow pricing,
Inflation and escalation, Discount rate; Cost and Benefits of Project: Cost
Concepts, Component of project cost, Assessment of Benefits; Externalities;
Preparation of Project Cash flow: Depreciation Concepts, Effect of taxation,
incremental cash flow, cash flow statements; Project Evaluation Criteria:
Present worth criteria, yield criteria, Payback criteria; Capital Budgeting
Decision: Method of financing, Cost of capital, choice of minimum attractive
rate of return, Capital Budgeting; Project Risk and Uncertainty: Origin of
Project risk, method of describing project risk, probability concepts for
investment decision, probability distribution of NPV; Decision Tree Analysis:
Structuring a decision tree diagram, sequential decision process, worth of
obtaining additional information, decision tree and risk; Case Study 1:
Hydropower Project; Case Study 2: Transmission Line Project; Case Study3: Rural
Electrification Project.
ARTIFICIAL INTELLIGENCES (ELECTIVE) EG880EE/EG930EE
Introduction
to Artificial Intelligence(AI): Definitions, Branches of AI; Data Mining and
Knowledge Discovery: Data processing and Normalization, Multivariate data
analysis tools(PCA, PLS); Inference Methods: Rule base reasoning & Expert
systems, Case base reasoning, Model base reasoning, Causal reasoning, Genetic
Algorithms, Application concept of the above approaches; Fuzzy Set Theory and
Fuzzy Logic Control: Fuzzy set theory and operations, fuzzy rules, approximate
reasoning, defuzzification methods, fuzzy logic expert systems, fuzzy logic
control systems; Artificial Neural Networks: Structures and Learning paradigms,
simple and multilayer perceptrons, adaline and delta rule, back propagation
learning, radial basis function networks, unsupervised neural networks,
competitive learning, Kohonen’s self organizing maps, Hopfield network;
Integration of fuzzy logic and neural networks; Neuro-fuzzy applications:
system identification, fault diagnosis and control, pattern recognition and
Clustering, AI applications in Power System.
Distributed Generation Technology
(EG883EE/EG933 EE)
Credit: 4
1.
Introduction
1.1.
Energy
demand trends in world, Depletion of fossil fuel
1.2.
Electrical
grid introduction; vertically control grid
1.3.
Needs
for distributed generation
Distributed
generation, distributed energy resources (DER), storage technologies
Domain
of DERs
1.4.
Integration
and interconnection of distributed energy resources
Issues
Power
electronics control technology
Protection
Penetration
level
1.5.
Microgrid
2.
Electrical System Modeling and Simulation
2.1.
Modeling
scope and assumptions
2.2.
Power
system simulation
Tools;
PSCAD, Matlab, EMTP etc
Time
frame of interest; short-term, mid-term and long-term
Instantaneous,
average and phasor simulation
Steady
state simulation; load flow studies, short-circuit analysis
Dynamic
simulation
2.3.
Modeling
of Wind turbine generator system
Wind
Energy capture, Weibull and Reilygh distribution function
Turbines
and generators
2.4.
Photo
voltaic model
2.5.
Storage
technologies
Short,
mid and long-term storage
Batteries,
Hydrogen
technology (Fuel cell, Electrolyzer and storage)
Supercapacitor
and Superconducting magnetic energy storage
2.6.
Model
development using simulation tools
3.
Control and Interconnecting Schemes for DERs
3.1.
Interconnection
and intregation
3.2.
Relevant
standards; IEEE P1547 and others
3.3.
Ac
vs. dc interconnection
3.4.
Power
electronic interfaces for DERs
Wind
power ,PV, Storage
3.5.
Operation
of DERs (grid-connected and isolated mode)
3.6.
Model
development using simulation tools
4.
Microgrid
4.1.
Needs,
benefits and issues
4.2.
Resource
evaluation
4.3.
Optimizing
integrated system
4.4.
Microgrid
control, operation and management
4.5.
Islanded
operation
4.6.
Model
developments using simulation tools
References
[1] Microgrid
and Active distribution Network, S. Chowdury, S. P. Chowdury and P. Crosslay, The Institution of Engineering
and Technology, London, 2009
[2] Integration Of
Alternative Sources Of Energy, Felix A. Farret, M. Godoy Simos, John Wiley
& Sons, Inc., Publication, 2006
[3] POWER
ELECTRONICS FOR MODERN WIND TURBINES, Frede Blaabjerg and Zhe Chen, Institute
of Energy Technology Aalborg University, Morgan & Claypool Publishers’ series 2008.
[4] Renewable and Efficient
Electric Power Systems, Gilbert M. Masters Stanford University, A JOHN WILEY
& SONS, INC., PUBLICATION
Risk Assessment of Power
Systems
MSc in Power Systems Engineering
Credit : 4 (EG884EE/EG934 EE)
Objectives:
-
To familiarize
with different types of risks in power systems; introduce quantitative risk evaluations techniques, measures of
risk reduction and acceptable limits;
-
To give broad
overview of generating system risk evaluation techniques, transmission system
risk evaluation techniques
-
To give broad
overview of RCM and its application to transmission system maintenance
scheduling; analysis of probabilistic spare equipment analysis
-
To update recent
developments in transmission system pricing- reliability based transmission
pricing.
General outline of the course:
- Introduction to power
system risk: Risk in power system, Basic concept of power system risk assessment
- Outage models of
system components: Models of outages, In dependent outages, dependent
outages
- Parameter estimation
in outage models: Point estimation of mean and variance of failure data;
Interval estimation of mean and variance failure data; Failure frequency
of individual components; Failure probability estimation from Binomial
distribution; Experimental
distribution of failure data; Parameter estimation in aging failure modes
- Elements of risk
evaluation methods: Methods for simple system; methods for complex system
- Risk evaluation
techniques for power systems: Techniques used in Generation-Demand
systems; Techniques used in distribution system; techniques used in substation
configurations; techniques used in composite generation-transmission systems
- Risk evaluation in
transmission system planning: Concept of probabilistic planning; risk
evaluation approach; selection of lowest cost planning alternative;
comparison of application of different planning criteria.
- Risk evaluation of
transmission system operation planning: concept risk evaluation in
operation planning; risk evaluation methods; determination of lowest risk
operation mode; case studies
- Risk evaluation in
generating system planning: concept of reliability based generating
systems planning; Generation risk cost; selection of lowest cost
generation alternatives; decommission of old generating unit.
- Selection of
substation configuration: Load curtailment models; risk evaluation
approach; selection of lowest cost substation configuration
- Reliability centered
maintenance: Basic tasks in RCM; transmission system maintenance
scheduling; workforce planning in maintenance; case studies
- Probabilistic spare
equipment analysis: spare equipment analysis based on reliability
criteria; spare equipment analysis using probabilistic cost method;
determination no. of spare transformer units; determination of spare EHV
reactors
- Reliability based
transmission pricing: Basic concept; calculation methods; rate design;
applications.
References:
- Wenyuan Li, “Risk
assessment of power systems”, Wliey-Interscience, 2005.
- Billinton R and Allan
R, “Reliability evaluation of power systems”, Plenum Press, 1992
- Billinton R and Li
Wenyuan, “ Power System Reliability evaluation using Monte Carlo
Methods”, Plenum Press, 1994
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