2009
DOI: 10.1109/tpwrs.2008.2004733
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Wide-Area Measurements-Based Two-Level Control Design Considering Signal Transmission Delay

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Cited by 224 publications
(104 citation statements)
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“…In the previous section, no time delay is considered since the main concern was to show that the method works for different scenarios and is comparable with the existing approach. The time delay in this section has been approximated by the second order Pade approximation [23]. To design a robust controller based on multi-model optimization approach for the uncertainty in time delay, the time delay incorporates the worst case (OP3).…”
Section: Time Delaymentioning
confidence: 99%
“…In the previous section, no time delay is considered since the main concern was to show that the method works for different scenarios and is comparable with the existing approach. The time delay in this section has been approximated by the second order Pade approximation [23]. To design a robust controller based on multi-model optimization approach for the uncertainty in time delay, the time delay incorporates the worst case (OP3).…”
Section: Time Delaymentioning
confidence: 99%
“…With rapid advancements in wide-area measurement system (WAMS) technology, remote signals in the power systems are made to be available in local controls by utilizing synchronized PMUs at a rate up to 60 Hz [8,9], and using the measured phase angle as an auxiliary signal for modifying VSC power reference settings. However, typical time delays can be up to 1s [9] depending on the distance, transmission channel and other technical factors.…”
Section: B Droop Control With Measured Phase Angle As Inputmentioning
confidence: 99%
“…However, typical time delays can be up to 1s [9] depending on the distance, transmission channel and other technical factors. This is close to the time constants for the controls employed in the VSC HVDC link, and possibly deteriorates the controllers' dynamic performance.…”
Section: B Droop Control With Measured Phase Angle As Inputmentioning
confidence: 99%
“…The two-layer PSS structure serves the following two functions [15]: (1) both local and inter-area oscillation modes can be suppressed; and (2) in case the adaptive WADC fails to act due to loss of PMU data or communication network failure, the independent local power system stabilizer (LPSS) remains operational and is capable of suppressing local oscillation modes and supply a certain amount of damping to the inter-area oscillation modes. …”
Section: Design Of Adaptive Wadc For Remote Signal Based Pssmentioning
confidence: 99%