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Damping of Electro-Mechanical Oscillations in a Multimachine System by Direct Load Control

Samuelsson, Olof LU and Eliasson, B. (1997) In IEEE Transactions on Power Systems 12(4). p.1604-1609
Abstract
Utility controlled customer loads as actuators

present new possibilities for power system control. The use of

active loads controlled by local bus frequency is proposed for

damping of electro-mechanical oscillations. The viability of

the idea is studied for one load in a three machine system

with a meshed network. Active power mode controllability

and phase angle mode observability are determined from the

eigenvectors of a differential algebraic description of the

uncontrolled system. The geographical variations in the entire

network of controllability and observability are shown to be

identical. It is presented graphically on a 3D-view of... (More)
Utility controlled customer loads as actuators

present new possibilities for power system control. The use of

active loads controlled by local bus frequency is proposed for

damping of electro-mechanical oscillations. The viability of

the idea is studied for one load in a three machine system

with a meshed network. Active power mode controllability

and phase angle mode observability are determined from the

eigenvectors of a differential algebraic description of the

uncontrolled system. The geographical variations in the entire

network of controllability and observability are shown to be

identical. It is presented graphically on a 3D-view of the

network topology and is used as a generalization of the term

mass scaled electrical distance. System zeroes limit the

maximum damping. An electro-mechanical mode pendulum

analog is introduced that explains this. Time simulations

verify the final controller design (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
IEEE Transactions on Power Systems
volume
12
issue
4
pages
1604 - 1609
publisher
IEEE--Institute of Electrical and Electronics Engineers Inc.
external identifiers
  • scopus:0031272971
ISSN
0885-8950
DOI
10.1109/59.627865
language
English
LU publication?
yes
id
b72947d7-492b-4a05-8804-6a9e90c402ac (old id 4333204)
date added to LUP
2014-02-28 13:29:25
date last changed
2017-09-24 04:42:38
@article{b72947d7-492b-4a05-8804-6a9e90c402ac,
  abstract     = {Utility controlled customer loads as actuators<br/><br>
present new possibilities for power system control. The use of<br/><br>
active loads controlled by local bus frequency is proposed for<br/><br>
damping of electro-mechanical oscillations. The viability of<br/><br>
the idea is studied for one load in a three machine system<br/><br>
with a meshed network. Active power mode controllability<br/><br>
and phase angle mode observability are determined from the<br/><br>
eigenvectors of a differential algebraic description of the<br/><br>
uncontrolled system. The geographical variations in the entire<br/><br>
network of controllability and observability are shown to be<br/><br>
identical. It is presented graphically on a 3D-view of the<br/><br>
network topology and is used as a generalization of the term<br/><br>
mass scaled electrical distance. System zeroes limit the<br/><br>
maximum damping. An electro-mechanical mode pendulum<br/><br>
analog is introduced that explains this. Time simulations<br/><br>
verify the final controller design},
  author       = {Samuelsson, Olof and Eliasson, B.},
  issn         = {0885-8950},
  language     = {eng},
  number       = {4},
  pages        = {1604--1609},
  publisher    = {IEEE--Institute of Electrical and Electronics Engineers Inc.},
  series       = {IEEE Transactions on Power Systems},
  title        = {Damping of Electro-Mechanical Oscillations in a Multimachine System by Direct Load Control},
  url          = {http://dx.doi.org/10.1109/59.627865},
  volume       = {12},
  year         = {1997},
}