Sumários

DCPF; contingency analysis

15 outubro 2015, 11:00 Luis Marcelino Ferreira

What is DCPF?

Derivation from FDLF method

What makes DCPF so important?

Analogy with DC circuits

How to compute losses with DCPF

Compensation by MIL

Analysis of MIL

Application to single line contingency

MIL and contingency analysis in the FDLF context

An introduction to circuit compensation methods


Stott’s FDLP (continued)

13 outubro 2015, 09:30 Luis Marcelino Ferreira

Review of Stott’s FDLP

Advantage of physical properties

Loose physical interaction between P and Q

Convergence characteristics

Iteration and half iteration

Testing a load flow program

Special challenges posed by special network types

Tap changing -- how to handle that

PV buses converted to PQ and PQ reconverted to PV

Approach by retriangulating B”

MIL matrix inversion lemma

Approach by correction of voltages by a linear coefficient of sensitivity

Outages, security and contingencies

Generation outages

Introduction to branch outages

 


Problem2

13 outubro 2015, 08:00 Luis Marcelino Ferreira

Problem2 

Variations


PF2 and PF3

8 outubro 2015, 17:00 Luis Marcelino Ferreira

PF2 and PF3 

Variations


pf adjustments and fdlf

8 outubro 2015, 11:00 Luis Marcelino Ferreira

pf adjustments

PV nodes that may convert to false PQ nodes
false PQ nodes that may convert to PV nodes
adjustments based on intermediate pf solutions such as tap changing xfs
Fast Decoupled Load Flow and B Stott
Going thru Sott's paper
Why Newton-like methods work
Advantages and disadvantages of FDLF
Nonlinearity and successive linearization 
Linearity