phần 5 khóa đào tạo tính toán ổn định và ứng dụng trên phần mềm psse cho kỹ sư hệ thống điện thực hiện tính toán mô phỏng trên phần mềm psse với hệ thống điện 24 nút của ieee
... 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 capacitor of 1 15 ... the shunts on the low voltage side?eBook for You22 IEEE 24 – SHORT-CIRCUIT ANALYSISeBook for YouNegative and Zero Sequence Parameters 24 • Negative-sequence impedance is equal to positive-sequence ... ANALYSIS• Match the events in the progress window to the ploteBook for You39 IEEE 24 – DYNAMIC ANALYSISeBook for YouThe IEEE 1996 Reliability Test System4SYSTEM COMPONENTS• Two areas (230kV...
... PROCEDUREPerformance Verification Transient response to a step change [IEEE4 21.2-1990]eBook for YouDynamic Simulation Control Flags 25 DYNAMIC SIMULATION SEQUENCEDynamic Simulation Control FlagsMODEMODE ... instant by logic outside pyygthe dynamic simulationeBook for YouData Space Allocation 15 CLASSIFICATION OF VARIABLESData Space AllocationTh PSS®E di f th l t lThe PSS®E ... Excitation system open-circuit test 3: Governor test 4: Extended term dynamic simulation 5: Dynamics data is present but an initialization activity has been successfully runactivity...
... PSS®ESteam Turbine ModelsTGOV1TGOV1 Typical parameters: R = 0. 05 puT1= 0 .50 sT2/T3= 0.3T5t 9T3= 5 to 9 s eBook for YouIntroduction4TYPES OF GOVERNORSIntroduction ... TGOV3Modification of IEEEG1 and PTI recommendedModification of IEEEG1 and PTI recommended model for fast valving studies Same definitions used for IEEEG1 can be used PRMAXhas ... Gas Turbine Models 50 GOVERNOR MODELS IN PSS®EGas Turbine Models GASTTypical parametersTypical parameters...
... for Dynamic File Governor at bus 201eBook for You IEEE Type 1 Speed-Governing Model 25 DYNAMIC FILEyp pg(IEEEG1) IEEE recommended general model for steam turbine and can ... File Generator at bus 201eBook for YouGovernor Models 24 DYNAMIC FILEGovernor ModelsGeneral model (IEEEG1)General model (IEEEG1) Gas turbine (GAST)Gas turbine (GAST)Steam ... You3DYNAMIC FILEeBook for YouGenerator Representation in Power 31DYNAMIC FILEpFlow 5 TheVarlimits must reflect: 5 .The Varlimits must reflect:a. The effective admittance of the controlled...
... Modes28SMALL-SIGNAL STABILITYNature of Modes Inter-area/global modes Natural frequency: 0.1 – 0 .5 Hz Generators of one system swing against t f th t k tigenerators of another system ... rotor speed deviation weighted by the generator sizegenerator sizeeBook for YouLaunch NEVA 35 NEVA – PSS NETOMACLaunch NEVA From PSS®E, load a saved case and difildynamic fileLaunch ... Mode32SMALL-SIGNAL STABILITYDominant Mode Very significant modeeBook for YouModal Analysis 5 SMALL-SIGNAL STABILITYModal AnalysiseBook for YouCalculation ofEigenvalue37NEVA – PSS...
... Study– IEEE 24 Bus Test SystemDay 12 -Case Study – IEEE 24 Bus Test SystemPART 1July 19, 2013Prepared by: Frida Ceja-GomezeBook for You42 IEEE 24 –N-1 CONTINGENCY IEEE 24 ... 3 IEEE 24 –SAVED CASE IEEE 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, ... for YouBranch Data7SAVED CASE BUILD-UPBranch Data• The transmission line data for the IEEE 24- bus system can be found in the table beloweBook for You47N-1 CONTINGENCY ANALYSISCreating...
... Pinit (400MW)• Therefore, change Vmax to 1pu• Bus 22• Mbase= 775MVA• Pmax= Vmax*Mbase= 0. 85* 7 75= 658 . 75 MW < Pinit (660MW)• Therefore, change Vmax to 1pueBook for YouGovernor Data16BUILDING ... YouGenerator VCurves30DYNAMICS DATA VERIFICATIONGenerator V-CurveseBook for You3 IEEE 24 –BUILDING A IEEE 24 –BUILDING A DYNAMICS DATA FILEeBook for YouDynamics Data File Verification18DYNAMICS ... DATA VERIFICATIONDynamics Data File Verification•Prepare the IEEE24 saved case file (thePrepare the IEEE 24 saved case file (the one satisfying N-0 reliability conditions)...
... to choose the right settings• Select the source and sink subsystemseBook for You10 IEEE 24 –QVANALYSIS IEEE 24 –QVANALYSISeBook for YouLongTerm Voltage Stability 24 IEEE24 – ... Turbine and Boiler TGOV517 IEEE 24 – LONG TERM STABILITYSteam Turbine and Boiler TGOV5 Typical data for TGOV5eBook for YouSmall Signal Stability using NEVA31 IEEE 24 – SMALL SIGNAL ... YouLongTerm Voltage Stability 25 IEEE24 – LONG TERM STABILITYLong-Term Voltage StabilityeBook for YouUndervoltage Load Shedding Models 19 IEEE 24 – LONG TERM STABILITYgg(LVSH)...
... str1[0] # Prints first character of the stringHdth>>>print str1[2 :5] # Prints characters starting from 3rdto 5 thllo>>>print str1[2:] # Prints string starting from 3rdcharacter ... applicationeBook for YouOperators 35 CONTROL FLOW TOOLSOperators Python assignment operatorsa=10 and b=20a=10 and b=20eBook for YouLists 25 VARIABLESLists Most versatile of Python’s ... can be used to span the t i lti l listring across multiple lineseBook for YouLoops 50 CONTROL FLOW TOOLSLoops For loop statementsExamplesExampleseBook for YouOperators32CONTROL...
... Global PowerPOWER SYSTEM STABILITY CALCULATION TRAININGD14 15 A t ti i P thDay 14- 15 -Automation using PythonDecember 5, 2013Prepared by: Mohamed El Chehaly eBook for YouDynamic ... You29SUBSYSTEM DEFINITIONSUBSYSTEM DEFINITIONeBook for YouIntroduction to PSS®E Automation 5 INTRODUCTIONIntroduction to PSS®E AutomationPythonprograms:Pythonprograms: ... YouPURG22POWER FLOW OPERATIONPURGUse this API to delete an equipmenteBook for YouData Retrieval 45 SINGLE ELEMENT AND SUBSYSTEM DATA RETRIEVALData Retrieval Type of retrieved data:Return...
... 4000 MVApuXpuX 755 6.10100.1021Base: 4000 MVAeBook for YouSteps for Equivalent Network10REDUCED POWER SYSTEMSteps for Equivalent Network 5 Sh tiitll 5 .Short-circuit ... sequence impedances111 The result isequivalentcompletemachineXXXXpuXpuX0438900 252 5.00 251 8.021Base: 100 MVApuX04389.00eBook for YouVietnamese Power System21REDUCED ... for Equivalent Network 5. Short-circuit levels3. Verify that the error difference between the original and the new short-circuit levels does not exceed 5% exceed 5% 4. In the original system,...
... for the 50 0kV Buses(Flat pre-fault diti )conditions)eBook for You28N-1 CONTINGENCY ANALYSISContingencies causing non-convergence• For the loss of line from Bus 52 002 to Bus 52 062, ... in MVA (Misc options menu)MVA (Misc, options menu)eBook for YouLimit Checking Reports 15 LOAD FLOW ANALYSISLimit Checking Reports•Verify if there are any voltage violations ... busbus acceptable?Iit•Is it necessary to split the bus?eBook for YouAC Contingency 25 N-1 CONTINGENCY ANALYSISAC Contingency Analysis Reports• Go to Power Flow, Reports, AC...
... required to perform today’s exercise are the following:• Day5_savnw.sav• Day5_savnw.sldD5 d•Day 5 _savnw.dyreBook for YouExample 1Interarea flow report8INTRODUCTION ... cannot be used for steady state power flow analysiseBook for YouViewing the recorded channels 35 PLOTTING THE OUTPUTSViewing the recorded channels• Go to the Plot Tree View, double-click ... system•23 bus system• System divided in 3 areas:• FLAPCO• LIGHTCO• WORLD• Voltage levels: 50 0kV, 230kV, 21.6kV, 20kV, 18kV, and 13.8kV•No motors present•No motors present• Generators,...