phần 4 khóa đào tạo tính toán ổn định và ứng dụng trên phần mềm psse cho kỹ sư hệ thống điện nguyên tắc mô phỏng ổn định động và thư viện mô hình mô phỏng trên phần mềm psse
... flow()peBook for YouPerformance Verification 48 OVERVIEW OF SIMULATION PROCEDUREPerformance Verification Transient response to a step change [IEEE421.2-1990]eBook for YouDynamic Simulation ... mechanical powers, stabilizer outputs, excitation limiter outputs 4: Apply special calculations in initialization of 4: Apply special calculations in initialization of induction ... control systems CONEC: responsible for all other modelseBook for YouGeneral Classification 4 CLASSIFICATION OF VARIABLESGeneral Classification Constants: Parameters that do not vary...
... Models GASTTypical parametersTypical parameters eBook for YouHydro Turbine Models 42 GOVERNOR MODELS IN PSS®EHydro Turbine Models HYGOV Typical parameters eBook for YouSteam ... diagonal flow Deriazturbines with adjustible runner bladeseBook for YouGas Turbine Models 49 GOVERNOR MODELS IN PSS®EGas Turbine Models GASTModelModel eBook for YouSteam ... R = 0.05 puT1= 0.50 sT2/T3= 0.3T5t 9T3= 5 to 9 s eBook for YouIntroduction 4 TYPES OF GOVERNORSIntroduction The turbine-governor models are designed to give representations...
... the new machine base (40 00 MVA) are thethe new machine base (40 00 MVA) are the following:puX 0072.11B 40 00 MVApuXpuX7556.10100.1021Base: 40 00 MVAeBook for ... isequivalentcompletemachineXXXXpuXpuX 043 89002525.002518.021Base: 100 MVApuX 043 89.00eBook for YouVietnamese Power System21REDUCED POWER SYSTEMVietnamese Power System 4. Islanded busesRepeat ... the external system and find the new short-circuit le ellevel The chosen value for the equivalent machine base is 40 00 MVA. This will represent the contribution of the external systemeBook...
... voltage at buses 3 and 24, we added a fixed shunt capacitor of 75 MVAR at bus 3LOAD FLOW ANALYSIS• To address the low voltage at buses 4, 5, 6, 8, 9, 10, 11 and 14, we placed a fixed shunt ... Fault Results 46 DYNAMIC ANALYSIS• Match the events in the progress window to the ploteBook for You39IEEE 24 – DYNAMIC ANALYSISeBook for YouThe IEEE 1996 Reliability Test System 4 SYSTEM COMPONENTS• ... shunts on the low voltage side?eBook for You22IEEE 24 – SHORT-CIRCUIT ANALYSISeBook for YouNegative and Zero Sequence Parameters 24 • Negative-sequence impedance is equal to positive-sequence...
... TRAININGD4DiSiltiPiilPt3Day 4 -Dynamic Simulation Principles Part 3July 9, 2013Prepared by: Mohamed El Chehaly eBook for YouModels Used for Dynamic File 41 DYNAMIC ... (TGOV1)Steam turbine (TGOV1)H d t bi (HYGOV)Hydro turbine (HYGOV)eBook for You 49 MODEL VERIFICATIONMODEL VERIFICATIONeBook for YouSalient Pole Generator Model 17DYNAMIC ... generator model GENSAL: Salient pole generator modeleBook for YouModels Used for Dynamic File 42 DYNAMIC FILEModels Used for Dynamic File Generator at bus 100 (x3)eBook for YouModels...
... transmission lineseBook for YouCalculation ofEigenvalue 40 NEVA – PSS NETOMACCalculation of EigenvalueeBook for YouIntroduction 34 NEVA – PSS NETOMACIntroduction Program used for modal ... YouMode Overview19SMALL-SIGNAL STABILITYMode OvervieweBook for YouEIGEN-VALUE ANALYSIS 4 EIGENVALUE ANALYSISApplied to a Linearized Model of the Power SystemSystem Importance...
... Study–IEEE 24 Bus Test SystemDay 12 -Case Study –IEEE 24 Bus Test SystemPART 1July 19, 2013Prepared by: Frida Ceja-GomezeBook for You 42 IEEE 24 –N-1 CONTINGENCYIEEE 24 –N-1 ... 3IEEE 24 –SAVED CASEIEEE 24 –SAVED CASE BUILD-UPeBook for You38LOAD FLOW ANALYSISCorrecting the voltage issues• To address the low voltage at buses 4, 5, 6, 8, 9, 10, 11 and 14, ... righteBook for You 44 N-1 CONTINGENCY ANALYSISPreparing the input files for the DFAX file• Write a subsystem file defining the whole system as well a subsystem for each areaeBook for You 48 N-1 CONTINGENCY...
... Initialization Errors 25DYNAMICS DATA VERIFICATIONGovernors• Bus 18• Mbase= 44 8MVA• Pmax= Vmax*Mbase= 0.85 *44 8=380.8 MW < Pinit (40 0MW)• Therefore, change Vmax to 1pu• Bus 22• Mbase= 775MVA• Pmax= ... SYSTEM STABILITY CALCULATION TRAININGDay 13 & 14 -Case Study–IEEE 24 Bus Test SystemDay 13 & 14 -Case Study –IEEE 24 Bus Test SystemPART 2July 22-23, 2013Prepared ... AIEEE 24 –BUILDING A DYNAMICS DATA FILEeBook for YouDynamics Data File Verification18DYNAMICS DATA VERIFICATIONDynamics Data File Verification•Prepare the IEEE 24 saved case...
... to choose the right settings• Select the source and sink subsystemseBook for You10IEEE 24 –QVANALYSISIEEE 24 –QVANALYSISeBook for YouLongTerm Voltage Stability 24 IEEE 24 – ... Stability using NEVA 34 IEEE 24 – SMALL SIGNAL STABILITYSmall Signal Stability using NEVA• PSS at bus 7 (more unstable)eBook for YouSmall Signal Stability using NEVA35IEEE 24 – SMALL SIGNAL ... using NEVA29IEEE 24 – SMALL SIGNAL STABILITYSmall Signal Stability using NEVA• Maximum participated stateeBook for YouSmall Signal Stability using NEVA28IEEE 24 – SMALL SIGNAL STABILITYSmall...
... part of the comment A line can be commented by ALT+3 and tdb ALT +4 uncommented by ALT +4 eBook for YouLoops 49 CONTROL FLOW TOOLSLoops For loop statementsBlock repeatedly executed ... Identifiers Reserved wordseBook for YouDecision Making 42 CONTROL FLOW TOOLSDecision Making IF…ELSE statementseBook for YouDecision Making 40 CONTROL FLOW TOOLSDecision Making IF statementseBook ... TOOLSOperators Python membership operators Python identity operatorseBook for YouStrings 24 VARIABLESStrings Set of characters between quotation marksmarks>>>str1 = 'Hello...
... DISTRIBUTIONA Division of Global PowerPOWER SYSTEM STABILITY CALCULATION TRAININGD 14 15A t ti i P thDay 14 -15 -Automation using PythonDecember 5, 2013Prepared by: Mohamed El ... element or modify an existing oneBUSDATA3BUS_DATA_3 BRANCH_DATA LOAD_DATA _4 TWO_WINDING_DATA _4 PLANT_DATA MACHINE_DATA_2eBook for YouCASE16POWER FLOW OPERATIONCASEUse ... a=1, b=2):def temp ( a 1, b 2):print aprint bprint breturn temp(i 4) temp( _i, 4) eBook for YouModules for Python13PSS®E EXTENSION MODULESModules for PythonElPidPthf...
... generate a report of the non-converged caseseBook for You 48 VIETNAM SYSTEM–VOLTAGEVIETNAM SYSTEM –VOLTAGE STABILITYeBook for You 44 SHORT-CIRCUIT ANALYSISShort-CircuitShortCircuit ... generatorseBook for You 49 PV ANALYSISPV Analysis • We are going to study the maximummaximum power transfer from the Central Region to the SoutheBook for YouLimit Checking Reports 14 LOAD FLOW ... contingency solution output file and gy psolveeBook for YouShort-Circuit Analysis Rl220kV 47 SHORT-CIRCUIT ANALYSISResults –220kV• Is the fault level at this busbus acceptable?Iit•Is...
... Flow menu2. Select: Convert Loads and Generators3. Convert Generators: Select Zsorce 4 CtttMVAld 4 .Convert constant MVA loads:• If active power is 100% constant current, ... data of this dynamics file to the already existing data• So in this case, choose the dynamics data file optioneBook for YouRunning the system before any faults29RUNNING ... 1• A list of the recorded channels will now be visibleeBook for YouRemoving the disturbance 48 RUNNING A DYNAMIC SIMULATION 2Removing the disturbance• We again follow the same procedure...