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Electric Power Systems has been an essential book in power systems engineering for over thirty years. Bringing the content firmly up-to-date whilst still retaining the flavor of Weedy`s extremely popular original, this Fifth Edition has been revised by experts Goran Strbac and Nick Jenkins. This wide-ranging text still covers all of the fundamental power systems subjects but is now expanded to cover increasingly important topics like climate change and renewable power generation. Updated material includes an analysis of today`s markets and an examination of the current economic state of power generation1 Introduction Characteristics Influencing Generation and TransmissionOperation of GeneratorsEnergy ConversionRenewable Energy SourcesEnergy StorageEnvironmental Aspects of Electrical EnergyTransmission and Distribution Systems2 Basic ConceptsThree-Phase SystemsThree-Phase TransformersActive and Reactive PowerThe Per-Unit SystemPower Transfer and Reactive PowerHarmonics in Three-Phase SystemsUseful Network Theory3 Components of a Power SystemSynchronous MachinesEquivalent Circuit Under Balanced Short-Circuit ConditionsSynchronous Generators in ParallelThe Operation of a Generator on Infinite BusbarsAutomatic Voltage Regulators (AVRs)Lines, Cables, and TransformersTransformersVoltage Characteristics of Loads4 Controls of Power and FrequencyThe Turbine GovernorControl LoopsDivision of Load between GeneratorsThe Power-Frequency Characteristic of an Interconnected SystemSystem Connected by Lines of Relatively Small Capacity5, Control of Voltage and Reactive PowerThe Generation and Absorption of Reactive PowerRelation between Voltage, Power, and Reactive Power at a NodeMethods of Voltage Control:Methods of Voltage Control:Combined Use of Tap-Changing Transformers and Reactive-Power InjectionPhase shift transformerVoltage CollapseVoltage Control in Distribution NetworksLong LinesGeneral System Considerations6 Load FlowsCircuit analysis versus load flow analysisGauss Siedal methodLoad flows in radial and simple loop networksLoad flows in Large SystemsExample of a Complex Load FlowComputer simulations7 Fault AnalysesCalculation of Three-Phase Balanced Fault CurrentsMethod of Symmetrical ComponentsRepresentation of Plant in the Phase-Sequence NetworksTypes of FaultFault Levels in a Typical SystemPower in Symmetrical ComponentsSystematic Methods for Fault Analysis in Large NetworksNeutral GroundingInterference with Communication Circuits--ElectromagneticCompatibility (EMC)8 System StabilityEquation of Motion of a Rotating MachineSteady-State StabilityTransient StabilityTransient Stability--Consideration of TimeTransient Stability Calculations by ComputerDynamic or small signal stabilityStability of Loads Leading to Voltage CollapseFurther AspectsMultimachine SystemsEnergy-Type FunctionsImprovement of stability9 Direct-Current TransmissionCurrent Source and Voltage Source ConvertersSemi-conductor Valves for High Voltage DC ConvertersCurrent Source h.v.d.c.Voltage Source h.v.d.c.10 Over voltages and Insulation RequirementsGeneration of over voltagesProtection Against Over voltagesInsulation CoordinationPropagation of SurgesDetermination of System Voltages Produced by Travelling Surges Electromagnetic Transient Program (EMTP)11 Substations and ProtectionSwitchgearQualities Required of ProtectionComponents of Protective SchemesProtection SystemsDistance ProtectionUnit Protection SchemesGenerator ProtectionTransformer ProtectionFeeder ProtectionSystem Monitoring and ControlSystem Security and Emergency Control12 Fundamentals of the Economics of Operation and Planning of Electricity SystemsEconomic Operation of Generation SystemsFundamental principles of Generation System PlanningEconomic Operation of Transmission SystemsFundamental principles of Transmission System PlanningDistribution and Transmission Network security considerationsDrivers for changeA new edition of a well-established and widely used textbook, featuring broad, comprehensive coverage of power system analysis and power system technologies including electromagnetism, network theory and control systems.Supplies an updated chapter on power system economics and management issues and extended coverage of power system components. Updated to take into account the challenges posed by different world markets and pays greater attention to up-to-date renewable power generation methods such as wind power.Includes modernized presentation and greater use of examples to appeal to today`s students also retains the end of chapter questions to assist with the learning process. Also shows students how to apply calculation techniques.ISBN - 9788126540723
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Pages : 512
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