System Engineering Research Laboratory

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Electric Power Systems

To improve the security and efficiency in operating power systems and to prepare for major changes toward a low-carbon society such as the large-scale introduction of renewable energies, SERL has been developing new technologies for supporting the planning and operation of power systems and control technologies for maintaining the stability of power system in the case of system disturbance.

Fundamental Technologies

  • Power system analysis and evaluation technologies
  • Power system control and protection technologies

Major Researches

Technologies for more efficient management of aging power system equipments

A large number of power system equipments have been installed during the period of high economic growth. These equipments are supposed to get close to their end of life in near future and it is important to develop maintenance and replacement strategies which can lead to the reduction of the maintenance and replacement costs. A strategic approach, which is called asset management is proposed for an efficient management of aging assets. SERL is developing techniques based on the concept of asset management to support the development of maintenance and replacement strategies.

Technologies for more efficient management of aging power system equipments equipments

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Technologies for real-time wide area monitoring and control system

Massive renewable energies such as photovoltaic generations and wind generations would cause unexpected fluctuations and eventually lead to voltage instability and angular instability. SERL is developing technologies for monitoring the power system stability in real time and stabilizing the power system through wide area measurements obtained by Phasor Measurement Units (PMUs).

Technologies for real-time wide area monitoring and control system

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