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Power System Operation and Control by Sivanagaraju and Sreenivasan
Power System Operation and Control Contents
- Chapter 1 Financial Features
- Chapter 2 Financial Load Dispatch-I
- Chapter 3 Financial Load Dispatch-II
- Chapter 4 Optimum Unit Dedication
- Chapter 5 Optimum Power-Move Downside—Answer Method
- Chapter 6 Hydro-Thermal Scheduling
- Chapter 7 Load Frequency Control-I
- Chapter 8 Load Frequency Control-II
- Chapter 9 Reactive Power Compensation
- Chapter 10 Voltage Control
- Chapter 11 Modeling of Prime Movers and Turbines
- Chapter 12 Modeling of Velocity Governing and Excitation Programs
- Chapter 13 Power System Safety and State Estimation
Preface to Power System Operation and Control
This e-book entitled Power System Operation and Control has been meant to be used by undergraduate college students in Indian universities.
With a even handed mixture of superior matters, the e-book can also be helpful for some establishments as a primary course for postgraduates.
The group of this e-book displays our want to offer the reader with a radical understanding of the essential rules and methods of energy system operation and management.
Written to deal with the necessity for a textual content that clearly presents the idea of financial system operation in a way that kindles curiosity, the matters are handled utilizing a lucid method that will profit newcomers in addition to superior learners of the topic.
It has been designed as a purposeful support to assist college students be taught independently.
Chapter 1 introduces the financial elements of energy system and offers definitions for the varied phrases utilized in its evaluation. It explains reserve necessities, the significance of load forecasting, and its classification.
Chapter 2 describes system variables and their features. The traits of thermal and hydropower items are illustrated on this unit. Non-smooth price features with multi-valve impact and with multi-fuel impact are briefly mentioned.
This chapter explains the mathematical formulation of financial load dispatch amongst varied items by neglecting transmission losses, and it additionally offers an outline of the purposes of varied computational strategies to unravel the optimization downside.
The flowchart required to acquire the optimum scheduling of producing items can be described right here.
Chapter 3 appears to be like on the derivation of the expression for transmission loss and explains the mathematical dedication of financial load dispatch taking transmission loss into consideration.
The idea of incremental transmission loss and penalty issue is clearly mentioned. It additionally analyzes the optimum scheduling of producing items, decided with the assistance of a flowchart.
Chapter 4 expounds on the optimum unit dedication downside and its resolution strategies by taking a dependable instance. Reliability and start-up concerns in optimum unit dedication issues are successfully mentioned.
Chapter 5 explains the optimum power-flow downside and its resolution methods with and with out inequality constraints.
On this chapter, inequality constraints are thought of first on management variables, and then on dependent variables. Kuhn–Tucker circumstances for the answer of optimum energy move are offered on this unit.
Chapter 6 spells out the necessary precept of hydrothermal scheduling and its classification. It discusses the final mathematical formulations and strategies of fixing long-term and short-term hydro-thermal scheduling issues.
Chapter 7 offers with single-area load frequency management. It describes the traits of the velocity governor and its adjustment within the case of parallel working items.
Generator controllers, specifically, P–f and Q–V controllers, the speed-governing system mannequin, the turbine mannequin, and the generator–load mannequin and their block diagram representations are clearly mentioned.
Regular- and dynamic-state analyses of a single-area load frequency management system are additionally defined. The chapter additionally discusses the evaluation of integral management of a single-area load frequency management system.
Chapter 8 offers with the response of a two-area load frequency management for uncontrolled and managed instances very successfully.
A dynamic-state variable mannequin for a two-area load frequency management and for a three-area load frequency management system is derived.
Chapter 9 delineates reactive-power compensation together with the goals of load compensation.
This chapter discusses uncompensated transmission strains below no-load and masses circumstances and compensated transmission strains with the results of sequence and shunt compensation utilizing thyristor-controlled reactors and capacitors.
It additionally elucidates the idea of voltage stability and makes clear how the evaluation of voltage stability is carried out utilizing P–V curves and Q–V curves. The connection between lively energy, reactive energy, and voltage is derived in Chapter 10.
This chapter additionally speaks in regards to the strategies of voltage management and the situation of voltage-control gear.
Chapter 11 offers with the rules of modeling hydro-turbines and steam generators. It additionally appears to be like on the modeling of synchronous machines together with the simplified mannequin with the impact of saliency.
The dedication of self-inductance and mutual inductance, and the event of basic machine equations are mentioned on this chapter. Park’s transformation and its inverse, the derivations of flux linkage equations and voltage equations of synchronous machines, and the steady-state and dynamic-state mannequin evaluation are elucidated.
Chapter 12 gives an perception into the modeling of speed-governing programs for steam- and hydro-turbines. Mechanical–hydraulic-controlled speed-governing programs, electro–hydraulic-controlled speed-governing programs, and the final mannequin for speed-governing programs for steam generators are defined intimately.
It throws mild on excitation system modeling in varied elements corresponding to strategies of offering excitation, classification of excitation programs, and varied elements with their switch features. Commonplace block diagram representations for the totally different excitation programs are illustrated on this chapter.
Chapter 13 explains the steady-state safety evaluation and the transient safety evaluation of an influence system. The idea of state estimation is developed on this chapter, and the strategy of least squares estimation of a system state has been clearly defined.