Series compensation schemes reducing the potential of subsynchronous resonance

Journal Article · Wed Jan 31 23:00:00 EST 1990 · IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (USA)

DOI:https://doi.org/10.1109/59.49109· OSTI ID:7146607

Edris, A A ^[1]

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1. ABB Power Systems, AB Vasteras (SE)

The paper presents new series compensation schemes which reduce the potential of subsynchronous resonance problems in series compensated electrical power systems. The schemes are phase-wise compensation schemes with three different combinations of inductive and capacitive elements. The combinations are chosen such that their frequency characteristics given equal reactances at the power frequency and unequal reactances at the other frequencies. This implies that subsynchronous oscillations drive unsymmetrical three phase currents. The developed electric torque will be, therefore, lower than what it would be if the three phase currents are symmetrical. This results in a lower coupling strength between the mechanical and the electrical systems at asynchronous oscillations. The validity and effectiveness of the schemes have been demonstrated on the Second IEEE Benchmark Model, by means of time simulation analysis using the EMTP program.

• OSTI ID: 7146607
• Journal Information: IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (USA), Journal Name: IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (USA) Vol. 5:1; ISSN ITPSE; ISSN 0885-8950
• Country of Publication: United States
• Language: English

Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
240100* -- Power Systems-- (1990-)
CALCULATION METHODS
COMPUTER CODES
E CODES
ELECTRICAL TRANSIENTS
ENERGY SYSTEMS
FREQUENCY MEASUREMENT
POWER SYSTEMS
SIMULATION
TRANSIENTS
VOLTAGE DROP