Cigr

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Cigré/BrasilCE B5 Proteção e Automação

• Seminário Interno de Preparação para a Bienal
  2006
• Rio de Janeiro, setembro/06

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Dados do Artigo

• Número
• 206
• Título
• Use of an Integrated AC/DC Special Protection
  Scheme at Manitoba Hydro
• Autoria
• Narinder S. Dhaliwal, J. Brett Davies, David A.
  N. Jacobson Manitoba Hydro, Winnipeg, Canada
• Richard Gonzales Excel Engineering,
  Minneapolis, USA
• País
• Canada / USA

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Objetivo
After briefly presenting the Manitoba Hydro
electrical system and highlighting some of the
difficulties experienced under high import /
export conditions (namely that the loss of any
one of the interconnection lines without remedial
action can result in cascading tripping of all
the remaining ties between the Manitoba Hydro
system and the U.S., Ontario and Saskatchewan
systems, resulting in islanding of the Manitoba
Hydro system), this paper describes the use of an
integrated AC/DC special protection scheme to
maintain system stability following loss of any
of the Manitoba to U.S. tie lines. The importance
of the described SPS translates into sustained
high export levels and corresponding gains. The
SPS has shown high reliability and
maintainability degrees through appropriate
design and triplication of equipments.
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Objetivo
Use of an Integrated AC/DC Special Protection
Scheme at Manitoba Hydro
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Objetivo
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Destaque
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Dúvidas
1. Que tipo de dispositivo e qual o tempo de
latência das informações de fluxo? 2. Qual é a
ação do Controller para múltiplas contingências?
3. Se o SPS não utiliza o sistema de votação e
as informações são duplicadas, qual a vantagem
de ser triplicado os controllers?
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Conclusões
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Respostas às questões do REP

• Número da questão
• 2.3
• Questão
• Papers 203 and 206 address the importance of
  Special Protection Schemes (SPS) for the
  interconnected operation of large HV systems (AC
  and/or DC). Both recognise that reliability of
  protection, control and telecommunication
  equipment plays a pivotal role in SPS
  performance. This has led to duplication and, in
  one case, triplication of devices.
• How important are communication issues
  (availability, reliability, etc.) for the
  implementation of SPS? Have any risks been
  identified involving overfunction in case of
  duplication/triplication of equipments? Have any
  misoperations been experienced that have had an
  influence on decisions concerning systems
  maintenance?
• Resposta