Bài giảng Ổn định hệ thống điện

Lecture Power system stability - Lesson 1: Overview and Numeric Solution of Differential Equations provide students with knowledge about power system examples; major power grid components; three-phase systems; synchronous electric grids; power system time frames;...

33p hanthienngao 15-04-2022 11 1   Download

Lecture Power system stability - Lesson 2: Numeric Solution of Differential Equations provide students with knowledge about static versus dynamic analysis; slow versus fast dynamics; positive sequence versus full three-phase; power flow versus dynamics; interactive simulation: powerworld dynamics studio (DS);...

42p hanthienngao 15-04-2022 8 1   Download

Lecture Power system stability - Lesson 3: Numeric Solution of Differential Equations, Electromagnetic Transients provide students with knowledge about fourth urder Runge-Kutta; multistep methods; multistep motivation; numerical instability; stiff differential equations; trapezoidal linear case;...

32p hanthienngao 15-04-2022 8 1   Download

Lecture Power system stability - Lesson 4: Electromagnetic Transients provide students with knowledge about special case 2: wave equation; determining the constants; equivalent circuit representation; lumped parameter model; including line resistance; numerical integration with trapezoidal method; full solution over three cycles;...

46p hanthienngao 15-04-2022 5 1   Download

Lecture Power system stability - Lesson 5: Three-Phase Line Modeling, Stability overview provide students with knowledge about lumped capacitance model; modeling transmission lines; untransposed lines with ground conductors; modeling line capacitance; frequency dependence;...

47p hanthienngao 15-04-2022 7 1   Download

Lecture Power system stability - Lesson 6: Symmetrical Component Review, Stability overview provide students with knowledge about dallman after the accident; symmetric components; positive, negative and zero sequence sets; symmetrical component conversion; symmetrical components to decouple unbalanced networks;...

42p hanthienngao 15-04-2022 9 1   Download

Lecture Power system stability - Lesson 7: Stability Overview, Synchronous Machine Modeling provide students with knowledge about symmetric line spacing – 69 kV; returning to the simulation: generator angles on different reference frames; plot designer with new plots with the wscc nine bus case; dynamic load models;...

51p hanthienngao 15-04-2022 10 1   Download

Lecture Power system stability - Lesson 9: Synchronous Machine Modeling provide students with knowledge about two-axis mode; flux decay model; rotor angle sensitivity to Tqop; classical model justification; subtransient models; GENSAL block diagram; comparison between gensal and flux decay;...

57p hanthienngao 15-04-2022 6 1   Download

Lecture Power system stability - Lesson 10: Exciters provide students with knowledge about dynamic models in the physical structure: exciters; larger scale stability study; functional block diagram; potential types of exciters; block diagram basics; integrator block; first order lag block;...

50p hanthienngao 15-04-2022 7 1   Download

Lecture Power system stability - Lesson 8: Synchronous Machine Modeling provide students with knowledge about assuming a linear magnetic circuit; key simulation parameters; dynamic model development; rotor currents; final complete model; single-machine steady-state; stator flux differential equations;...

54p hanthienngao 15-04-2022 3 0   Download

Lecture Power system stability - Lesson 11: Exciters and Governors provide students with knowledge about exciter models; functional block diagram; coupling with the machine models; desired performance; transient response; small signal performance; AC exciter system overview; initial state determination;...

37p hanthienngao 15-04-2022 5 1   Download

Lecture Power system stability - Lesson 13: Governors, PID Controllers provide students with knowledge about Governor models; TGOV1 model; IEEEG1 model; frequency deadbands in ERCOT; gas turbine; GAST model; play-in (playback) models; powerworld infinite bus signal generation; simple diesel model;...

45p hanthienngao 15-04-2022 8 1   Download

Lecture Power system stability - Lesson 14: Time-Domain Simulation Solutions (Transient Stability) provide students with knowledge about GGOV1 block diagram; power system stability assessment; power system stability terms; transient stability multimachine simulations; power system multimachine simulations;...

55p hanthienngao 15-04-2022 8 1   Download

Lecture Power system stability - Lesson 15: Time-Domain Simulation Solutions (Transient Stability) provide students with knowledge about subtransient models; GENROU block diagram; powerWorld GENROU initial states; solving with Euler's; norton equivalent current injections; bus admittance matrix;...

63p hanthienngao 15-04-2022 6 1   Download

Lecture Power system stability - Lesson 16: Load Modeling provide students with knowledge about done with transient stability solutions: on to load modeling; ZIP model coefficients; discharge lighting models; static load model frequency dependence; squirrel cage rotor picture; basic induction machine model;...

32p hanthienngao 15-04-2022 7 1   Download

Lecture Power system stability - Lesson 17: Load Modeling, Voltage Stability provide students with knowledge about induction motor stalling; impact of model protection parameters; motor stalling with longer fault; transient limit monitors; motor starting: fast dynamics; multi-rate explicit integration;...

39p hanthienngao 15-04-2022 8 1   Download

Lecture Power system stability - Lesson 18: Voltage Stability, Power System Oscillations provide students with knowledge about power system voltage stability; small disturbance voltage stability; maximum loadability when power flow jacobian is singular; relationship between stability and power flow jacobian;...

34p hanthienngao 15-04-2022 4 1   Download

Lecture Power system stability - Lesson 19: Oscillations, Modal Analysis provide students with knowledge about fictitious system oscillation; causes of power system oscillations; observing modes and damping; resonance with interarea mode; an on-line oscillation detection tool; small signal stability analysis;...

51p hanthienngao 15-04-2022 8 1   Download

Lecture Power system stability - Lesson 12: Governors provide students with knowledge about governor models; prime movers and governors; frequency response for generation loss; governor response: thermal versus hydro; some good references; frequency response definition; WECC interconnection performance;...

35p hanthienngao 15-04-2022 7 0   Download

Lecture Power system stability - Lesson 20: SMIB Eigenvalues, Measurement-Based Modal Analysis provide students with knowledge about single machine infinite bus; calculating the A matrix; saving a two bus equivalent; small signal analysis and measurement-based modal analysis; ring-down modal analysis;...

40p hanthienngao 15-04-2022 4 0   Download