... the following:puX 0072.11B 4000 MVApuXpuX7556.1 0100 .1021Base: 4000 MVAeBook for YouSteps for Equivalent Network 10 REDUCED POWER SYSTEMSteps for Equivalent Network5Sh ... tie lines connected to the external system and find the new short-circuit le ellevel The chosen value for the equivalent machine base is 4000 MVA. This will represent the contribution ... The result isequivalentcompletemachineXXXXpuXpuX04389002525.002518.021Base: 100 MVApuX04389.00eBook for YouVietnamese Power System21REDUCED POWER SYSTEMVietnamese...
... ANALYSIS• To address the low voltage at buses 4, 5, 6, 8, 9, 10, 11 and 14, we placed a fixed shunt capacitor of 115 MVAR at bus 10 • Why did we placed the shunts on the low voltage side?eBook ... Reliability Test System4SYSTEM COMPONENTS• Two areas (230kV & 138kV)• 21 branches• 10 generators (implicit • 10 generators (implicit GSU transformers)• 20 loads• 5 two-winding transformers ... solution (ACCC) and build the distribution factor data fileN-1 CONTINGENCY ANALYSISeBook for You 10 IEEE 24 – N-1 CONTINGENCY ANALYSISeBook for YouAC Contingency Analysis Report18• Go to Power...
... to the value that will require a voltage regulator output of (V /10) to maintain the presentregulator output of (VRMAX /10) to maintain the present value of excitation voltage ... 1.0TE= 0.46 VRMIN= -0.9KF= 0.1TF= 1.0SE[E1]=033SE[E1] 0.33SE[E2] = 0 .10 eBook for YouDC Excitation Systems13TYPES OF EXCITERSDC Excitation SystemsThe saturation ... values E1and E2shouldThe field voltage values E1and E2 should normally be chosen near the knee of the exciter’s magnetization curve and near the exciter ceilingeBook for...
... Generator Model 17DYNAMIC FILE(GENSAL)CONs to be inserted by usereBook for YouGenerator Models 10 DYNAMIC FILEGenerator Models GENCLS: Classical generator model GENROU: Round rotor generator ... YouModels Used for Dynamic File42DYNAMIC FILEModels Used for Dynamic File Generator at bus 100 (x3)eBook for YouModels Used for Dynamic File38DYNAMIC FILEModels Used for Dynamic ... YouModels Used for Dynamic File45DYNAMIC FILEModels Used for Dynamic File Exciter at bus 100 (x3)eBook for YouRound Rotor Generator (GENROU)15DYNAMIC FILERound Rotor Generator...
... Frequency response plots Linear impulse and step responseeBook for YouAPPLICATION OF THE APPROACH 10 APPLICATION OF THE APPROACHInitial ConditionsSteady‐stateLoadFlowOperatingScenarios•Peak...
... – 4100 ) after 100 ms Single-Line-to-Ground fault following by a trip of ggy pline DI LINH – TAN DINH (4020 – 4100 ) after 100 ms (with and without auto-reclose)TAN DINH ( 4100 )TAN ... ( 4100 )TAN DINH ( 4100 ) Three-phase fault following by a trip of line DI LINH–TAN DINH (4020– 4100 ) after 100 msLINH TAN DINH (4020 4100 ) after 100 ms Single-Line-to-Ground ... (50902 – 59052)after 100 ms Single-Line-to-Ground fault following by a trip of line NMDHTRHC21– MYTHO 2 C22 (50902 –59052)after 100 ms(successful and59052)after 100 ms(successful...
... thecreate the distribution factor file• Make sure to choose the right settings• Select the source and sink subsystemseBook for You 10 IEEE 24–QVANALYSISIEEE 24 –QVANALYSISeBook ... frequency relays (loads and t)generators) Prepare for transient simulation and choose the following channelschoose the following channels Machine anglesBus voltageBus voltage ... voltage relays (loads and t)generators) Prepare for transient simulation and choose the following channelschoose the following channels Machine anglesBus voltageBus voltage...
... applicationeBook for YouOperators35CONTROL FLOW TOOLSOperators Python assignment operatorsa =10 and b=20a =10 and b=20eBook for YouLists25VARIABLESLists Most versatile of Python’s compound...
... a voltage below 0.9pu or above 1.1pugp peBook for YouRunning the Load Flow Simulation 10 LOAD FLOW ANALYSISRunning the Load Flow Simulation• Run the power flow simulationp•...
... Zsorce4CtttMVAld4.Convert constant MVA loads:• If active power is 100 % constant current, then it ,depends on V• If reactive power is 100 % t t d itt thconstant admittance, then it ... 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 ... cleared•Click onOKto tripClick on OKto trip the selected branch• Now, run the simulation for 10 more secondseBook for YouExample 1Test system information6INTRODUCTION TO THE TEST SYSTEMExample...