Lecture Power system stability

Lecture Methods of Electric power systems analysis - Lesson 12: August 14 2003 Blackout provide students with knowledge about some electric grid risks; the real cause of most blackouts; high-impact, low-frequency events; avoidable transmission level blackouts; line outage distribution factors (LODFs); flowgates are used as proxies for other types of limits, such as voltage or stability limits;...

50p hanthienngao 15-04-2022 10 1   Download

Lecture Methods of Electric power systems analysis - Lesson 18: Synthetic electric grids, voltage stability provide students with knowledge about models of electric grids that were not created to represent any actual electric grid; the below image shows the five bus synthetic grid I used as an undergraduate; geographically-based synthetic electric grid;...

54p hanthienngao 15-04-2022 5 1   Download

Lecture Methods of Electric power systems analysis - Lesson 19: Voltage stability, economic dispatch, optimal power flow provide students with knowledge about PV curves can be traced by plotting the voltage as the real power is increased; QV curves as reactive power is increased; at least for the upper portion of the curve; two bus example PV and QV curves;...

53p hanthienngao 15-04-2022 13 1   Download

Lecture Power system operation and control - Lesson 2: Introduction, Power grid history provide students with knowledge about introduction and review of phasors & three phase; transmission line and transformer modeling; models for generators, and loads; power flow analysis and control; economic system operation/restructuring; power system stability; distribution systems; emerging topics;...

38p hanthienngao 15-04-2022 7 1   Download

Lecture Power system operation and control - Lesson 20: Transient stability provide students with knowledge about power system time scales and transient stability; power system stability terms; generator transient stability models; generator electrical model; generator mechanical model; generator swing equation; single machine infinite bus (SMIB); SMIB equilibrium points;...

25p hanthienngao 15-04-2022 7 1   Download

Lecture Power system operation and control - Lesson 21: Transient stability provide students with knowledge about competing in a simple electricity market that has a single buyer of electricity (an independent system operator [ISO]) and multiple sellers; playing one of those sellers as the owner of a portfolio of generators; other students will have the exact same portfolio;...

45p hanthienngao 15-04-2022 5 1   Download

Lecture Power system operation and control - Lesson 22: Transient stability provide students with knowledge about marginal prices; determine the current out of the generator from the initial conditions, then the terminal voltage; initial state variable are determined by solving with the differential equations;...

34p hanthienngao 15-04-2022 5 1   Download

Lecture Power system operation and control - Lesson 25: Renewable energy systems, distribution systems, smart grid provide students with knowledge about environmental aspects of wind energy, human aesthetics; shadow flicker is more of an issue in high latitude countries since a lower sun casts longer shadows; wind turbines and radar; types of wind turbines for power flow and transient stability;...

42p hanthienngao 15-04-2022 9 1   Download

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