Syllabus of Master's in power system Engineering

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:
  1. Introduction to power system risk: Risk in power system, Basic concept of power system risk assessment
  2. Outage models of system components: Models of outages, In dependent outages, dependent outages
  3. 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
  4. Elements of risk evaluation methods: Methods for simple system; methods for complex system
  5. 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
  6. 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.
  7. Risk evaluation of transmission system operation planning: concept risk evaluation in operation planning; risk evaluation methods; determination of lowest risk operation mode; case studies
  8. 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.
  9. Selection of substation configuration: Load curtailment models; risk evaluation approach; selection of lowest cost substation configuration
  10. Reliability centered maintenance: Basic tasks in RCM; transmission system maintenance scheduling; workforce planning in maintenance; case studies


  1. 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
  2. Reliability based transmission pricing: Basic concept; calculation methods; rate design; applications.

References:

  1. Wenyuan Li, “Risk assessment of power systems”, Wliey-Interscience, 2005.
  2. Billinton R and Allan R, “Reliability evaluation of power systems”, Plenum Press, 1992
  3. Billinton R and Li Wenyuan, “ Power System Reliability evaluation using Monte Carlo Methods”,  Plenum Press, 1994


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