... value must equal the MVA rating of the controlled inductor g element of the SVC Step-up transformer must not be used ZSORCE must be very large (0 + j 999 ) eBook for You Generator Representation ... 28 DYNAMIC FILE Hydro Turbine Governor Model y (HYGOV) eBook for You Straightforward hydro electric plant governor 29 DYNAMIC FILE Static Var Compensator Generator model (CSVGN1) eBook for ... Emulates a field controlled alternator field-controlled rectifier excitation system 23 DYNAMIC FILE IEEE Type ST1 Excitation System yp y (EXST1) eBook for You Potential source controlled rectifier...
... SYSTEM COMPONENTS The IEEE 199 6 Reliability Test System Two areas (230kV & 138kV) • 21 branches • 10 generators (implicit GSU transformers) • 20 loads • two-winding transformers with OLTC • fixed ... the transformers eBook for You • 31 PV ANALYSIS PV Analysis Go the PV Analysis window and create the distribution factor file • Set the initial transfer increment to 10MW • Make sure to choose ... STABILITY eBook for You 28 29 PV ANALYSIS • Recall that this analysis helps to identify the maximum power transfer without causing a voltage collapse • We will study the power transfer from Area to...
... controlled or non controlled non-controlled rectifiers eBook for You AC Excitation Systems 27 TYPES OF EXCITERS AC Excitation Systems Stationary rectifier systems eBook for You Non-controlled ... (IEEE DC2A) 49 EXCITER MODELS IN PSS®E DC Exciters EXDC2 and ESDC2A KA = 300 TA = 0.01 TB = TC = TE = 1.33 KF = 0.1 TF = 0.675 SE[E1] = 2 79 0.2 79 SE[E2] = 0.117 E1 = 05 3.05 E2 = 2. 29 KE = 1.0 ... systems eBook for You Bus fed Transformer fed 34 TYPES OF EXCITERS ST Excitation Systems Compound source rectifier systems eBook for You Non-controlled Controlled 35 TYPES OF EXCITERS ST...
... OVERVIEW OF SIMULATION PROCEDURE Performance Verification eBook for You Transient response to a step change [IEEE421.2- 199 0] 49 OVERVIEW OF SIMULATION PROCEDURE Performance Verification Typical ... 421.2- 199 0) Ceiling field voltage determined mainly by the saturation characteristic of the exciter and by the maximum output (DC exciter systems) Higher ceiling voltages tend to improve transient ... Solution for the electric network given the machine internal flux linkages and the load boundary conditions eBook for You KPAUSE 28 DYNAMIC SIMULATION SEQUENCE Dynamic Simulation Control Flags 0:...
... PSS®E Hydro Turbine Models Represents a straightforward hydro electric plant governor with a simple hydraulic representation of the penstock with unrestricted head race and tail race and no surge ... conditions eBook for You HYGOV 39 GOVERNOR MODELS IN PSS®E Hydro Turbine Models The model is valid for mechanical governors (Woodward, English Electric…) and for electrohydraulic governors (ASEA) ... introduced by the gas turbine rotor The maximum fuel valve opening VMAX is an operational control The ambient temperature load limit is a turbine design parameter eBook for You GAST 49...
... and Tuning of Damping g g p g Controllers eBook for You Approach NATURE OF MODES Swing Modes Co t o e odes Controller Modes Voltage/Speed Regulators FACTS Controllers Monotonous with Strong Damping Many modes near the Origin (Low ... High Frequency/Strong Damping eBook for You Inter-Area Modes SWING MODES eBook for You CONTROLLER MODES Controller Impact eBook for You Damping Factor Participation Factor Siting Indices (Transfer Function Residues) ... methods are developed by the evaluation of transfer function residues eBook for You Controller Siting 25 SMALL-SIGNAL STABILITY Controller Siting eBook for You Transfer function residues 26 SMALL-SIGNAL...
... NONH TRACH 220 KV eBook for You 26 27 SCENARIO eBook for You Slider Diagram 28 SCENARIO Load Flow Trip line NMDHTRHC21 – NMDHTRHC22 (5 090 2 – 5 091 2) Line NMDHTRHC21– MYTHO C22 (5 090 2 – ( 590 52) ... N-0: 29 SCENARIO Faults Three phase fault following by a trip of line Three-phase NMDHTRHC21– MYTHO C22 (5 090 2 – 590 52) after 100 ms Single-Line-to-Ground fault following by a trip of line ... fault following by a trip of line NMDHTRHC21– MYTHO C22 (5 090 2 – 590 52) after 100 ms (successful and unsuccessful auto-reclose) eBook for You NMDHTRHC21(5 090 2) SCENARIO 7: FAULTS DAK NONG 220...
... BUILD-UP GSU Transformer We will not model the generator step-up transformers explicitly • Enter RTran = 015pu and Xtran = 125pu for all machines 0.015pu 0.125pu • These values are the step-up transformer ... CASE BUILD-UP Transformer OLTC We will add an on-load tap changer to the two-winding transformers • The information for the OLTC of our two-winding transformers is shown below: • Controlled Bus: ... and the frequency as 60Hz • We will input the transformer ratings in MVA units • For non-transformer branches the current will be expressed as non transformer MVA • The heading lines are just...
... file that you just created • Perform activity DOCU to verify the model parameters eBook for You • 19 DYNAMICS DATA VERIFICATION Dynamics Data File Verification The models highlighted in yellow have ... gains? eBook for You • 22 DYNAMICS DATA VERIFICATION • Go to the Dynamics menu, and select activity STRT under the Simulation option to i verify any errors found during initialization eBook for You ... Therefore, change Vmax to 1pu 26 DYNAMICS DATA VERIFICATION Initialization Errors Run activity STRT to verify that there are no other initialization issues eBook for You • 27 DYNAMICS DATA VERIFICATION...
... of each one of the transformers eBook for You PV Distribution Factor File Input PV ANALYSIS • Go the PV Analysis window and create the distribution factor file • Make sure to choose the right settings ... ANALYSIS PV Analysis Results Build a case with the lowest maximum transfer between the two areas using “Implement PV transfer Implement transfer” • Convert the case and prepare for dynamic simulation ... Initialize • Run for second • Apply a bus fault on one side of the selected transformer • Clear after cycles by tripping the transformer • Run for 10 seconds eBook for You • IEEE 24 – QV ANALYSIS...
... 3.14 24 VARIABLES Strings >>>str1 = 'Hello World!‘ >>>print str1 # Prints complete string Hello World! >>>print str1[0] # Prints first character of the string H d >>>print str1[2:5] # Prints characters ... >>>print str1[2:] # Prints string starting from 3rd character llo World! >>>print str1*2 # Prints string two times Hello World! Hello World! >>> print str1 + "TEST" # Prints concatenated string Hello ... (‘), double (“) and triple (‘’’ or “””) quotes to denote string The same types of quote should start and end the string d th t i The triple quotes can be used to span the string across multiple...
... dist_branch_trip: S t a line or a t h t i Set li two-winding i di transformer to out-of-service dist bus trip: Disconnect a bus dist_bus_trip: dist_3wind_trip: Set a three-winding transformer ... Element and Subsystem Data Retrieval • Results Data Retrieval eBook for You • INTRODUCTION eBook for You INTRODUCTION Response files or “idv”: Contains a set of idv : instructions and inputs emulating ... (count) eBook for You Type of retrieved data: RESULTS DATA RETRIEVAL MODULE eBook for You 46 47 RESULTS DATA RETRIEVAL MODULE API routines used as to retrieve results from the solutions/calculations...
... IFLAG = TRUE.: The solution has converged eBook for You MIDTRM = FALSE.: State-space simulation MIDTRM = TRUE.: Extended term simulation 41 NON-STANDARD MODELS USING FORTRAN IBDOCU and KTRIP ... admittance matrix eBook for You IBDOCU indicates the mode of operation of DOCU and DYDA 42 NON-STANDARD MODELS USING FORTRAN IBDOCU and KTRIP KTRIP = -1: In activities STRT and MSTR, one or ... for You Indicates the type of simulation 40 NON-STANDARD MODELS USING FORTRAN MIDTRM, MIDTRM ITER and IFLAG MIDTRM indicates whether state-space or extended simulation ITER indicates the...
... STABILITY eBook for You 48 49 PV ANALYSIS • We are going to study the maximum power transfer from the Central Region to the South eBook for You PV Analysis 50 PV ANALYSIS PV Distribution Factor File ... to trip each of the branches in the high voltage transmission system t eBook for You • 21 N-1 CONTINGENCY ANALYSIS Creating the DFAX file Go to AC contingency solution (ACCC) and build the distribution ... represents the 500kV transmission system t i i t eBook for You • THE VIETNAMESE POWER SYSTEM The Vietnamese Power System High voltage transmission at 500kV and 220kV • Medium voltage transmission at...
... select Trip line, click on the select button and trip branch from bus 211 to bus 201 eBook for You • 49 RUNNING A DYNAMIC SIMULATION Running after disturbance has been cleared Click on OK to trip ... select Trip line, click on the select button and trip branch from bus 211 to bus 201 eBook for You • 32 Running a dynamic simulation Running after disturbance has been cleared Click on OK to trip ... and 13.8kV • No motors present • Generators, fixed shunts, passive loads, transformers and branches eBook for You • INTRODUCTION TO THE TEST SYSTEM Example – Test system area based report area-based...
... Representation of F lt t ti f Faults eBook for You • Symmetrical Components eBook for You SYMMETRICAL COMPONENTS SYMMETRICAL COMPONENTS SYMMETRICAL SEQUENCE COMPONENTS A C Positive Sequence q A ... SEQUENCE IMPEDANCE Transmission Lines Ia Ea Ib Ic Ec Z1 = E/I eBook for You Eb 10 ZERO SEQUENCE IMPEDANCE Transmission Lines I I I Z0 = E/I eBook for You E 11 ZERO SEQUENCE IMPEDANCE Transformers I ... Ampere‐turns are equal in each HV and LV Winding eBook for You I 12 ZERO SEQUENCE IMPEDANCE Transformers I I H I I L E n H Z0 n eBook for You I I L 13 ZERO SEQUENCE TRANSFORMER CONNECTIONS H A A ZO B eBook for You B L Switches A&B initially OPEN...
... the IO Control menu and click on ECHO (Set echo device) • A window will open prompting you to type the name of the IDEV file to be ( created (or select an existing file) eBook for You • 19 RECORDING ... IDEV file • Creating an IDEV file for plotting eBook for You • Introduction to PSSPLT INTRODUCTION TO PSSPLT eBook for You INTRODUCTION TO PSSPLT What is PSSPLT? PSSPLT is a separate PSS module ... the IDEV file To stop recording commands to the IDEV file, go to the IO Control menu and click on ECHO,OFF (Turn off ECHO) eBook for You • 26 RECORDING AN IDEV FILE Verifying the IDEV file Open...
... Dynamics WT3E: Electrical control model eBook for You Qcontrol 29 DYNAMIC MODELS OF WIND FARMS Type (WT3) in Dynamics WT3E: Electrical control model eBook for You Pcontrol 30 DYNAMIC MODELS ... Pcontrol eBook for You Qcontrol 34 DYNAMIC MODELS OF WIND FARMS Type (WT4) in Dynamics WT4G: Generator model Remote bus voltage control Po er factor control Power Reactive power control ... model Qcontrol PLL eBook for You Pcontrol Terminal voltage phase angle h l 27 DYNAMIC MODELS OF WIND FARMS Type (WT3) in Dynamics WT3G2: Generator model Qcontrol eBook for You Pcontrol Low Voltage...
... MODEL LIBRARY eBook for You Basic Program Structure 16 SIMULATION MODEL LIBRARY PSS®E Main Skeleton Data input Data output Numerical integration Electric network solution Does not contain ... • Basic Dynamic Simulation BASIC DYNAMIC SIMULATION eBook for You BASIC DYNAMIC SIMULATION Construction of a set of differential equations describing the behavior of the physical system Determination ... for You Most models are called directly by PSS®E NUMERICAL INTEGRATION STABILITY eBook for You 19 20 NUMERICAL INTEGRATION STABILITY Achieved only if the time increment ∆t is sufficiently small...