Sumários

TE2 and TE3

14 outubro 2014, 18:30 Luis Marcelino Ferreira

As in previous class


TE2 and TE3

14 outubro 2014, 17:00 Luis Marcelino Ferreira

TE2 and TE3

Procedures

Solutions

 

Examples of variations to experiment with


Contingency analysis

14 outubro 2014, 09:30 Luis Marcelino Ferreira

Power flow for planning

Power flow for operations

Contingency analysis

Single element contingency

Nodal contingencies

Branch contingencies

Re-factoring the Jacobian or Jacobian-like

MIL Matrix Inversion Lemma

Updating formula for contingency power flow

A circuital approach vs a math based approach: compensation methods

Compensation methods for a linear system vs a non-linear system

Compensation for a branch outage

Elaboration on basic ideas and principles

 

How to perform the computations


Class 3A

14 outubro 2014, 08:00 Luis Marcelino Ferreira

More ideas for two-bus problems

One voltage specified

Both voltages specified

V2 measured

Current specified

V1 and V2 unknown

 

Resolution of exam problems


Review, DCPF, and summary

9 outubro 2014, 11:00 Luis Marcelino Ferreira

Review of PV buses

PVQ bus, P bus

Review of procedure

Review of FDPF

Where to get the idea of sepation of P,teta and Q, V

Direct current power flow, DCPF

Analogy with a resistive circuit and nodal current injections

The same B’, P injections; unknowns are teta

The ubiquitous role of a slack generator

Which power flow method is most used?

Why? Planning problems vs operations problems

A question of linearized and assume linearity pf vs linearized and successive linearizations

 

Summary of power flow problems and power flow methods