Feasibility of DC Transmission with Forced Commutation to Remote Loads

Turanli,; Menzies,; Woodford,

doi:10.1109/mper.1984.5526095

Cited by 14 publications

(1 citation statement)

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“…It can be diminished by means of an "independent" operation of individual (or individual sets of) bridges, provided that the tap consists of, at least, two (or two sets of) bridges in series [3,4]. Alternatively, the overall magnitudes of certain characteristic harmonics can be reduced by firing the two (or two sets of) bridges at different angles [3,5]. The term "differential firing" as opposed to "equal firing" of all bridges, will be used to indicate such ideas in general.…”

Section: Introductionmentioning

confidence: 99%

Quasi Twenty Four-Pulse Operation of HVDC Series Tapping Stations

Arabi

Tarnawecky

1986

IEEE Trans. Power Delivery

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In the literature the concept of "independent" operation has been proposed to reduce the reactive power requirement of a series tap, provided that the tap consists of, at least, two (or two sets of) bridges in series. Alternatively, the overall magnitudes of certain characteristic harmonics may be reduced.In this paper, a new firing angle algorithm is presented, which, when used with two (or two sets of) series-connected bridges, enables reduced generation of certain characteristic harmonics. It is studied in the context of a classical application, which is termed as "quasi twenty four-pulse" (Q 24-P) operation.The idea not only is feasible but also has other potentially important applications.

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Section: Introductionmentioning

confidence: 99%

Quasi Twenty Four-Pulse Operation of HVDC Series Tapping Stations

Arabi

Tarnawecky

1986

IEEE Trans. Power Delivery

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New digital control of forced commutation HVDC converter supplying into load system without AC source

Kimura

Kishimoto

Matsui

1991

IEEE Trans. Power Syst.

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Adjusting converter controls for paralleled DC converters using a digital transient simulation program

Shome

Gole

Brandt

et al. 1990

IEEE Trans. Power Syst.

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A description of how accurate system modelling of a dc system with an electromagnetic transient simulation program can be used to study and correct interbipole oscillations between converters connected into a parallel multiterminal system is given. The paper shows how to decide on the detail of modelling that is required, and demonstrates that it is often not enough to use prepackaged , generic HVDC control models, supplied with these programs. The detail of control models that are used in the electromagnetic simulation programs are shown to have a significant impact, in some cases, on the simulation results. In particular, a case of six hertz oscillations, in the dc currents of two converters on the Nelson River System, is accurately simulated, and it is shown that control modifications suggested by the simulation actually do eliminate the interbipole oscillations.

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Feasibility of DC Transmission with Forced Commutation to Remote Loads

Cited by 14 publications

References 0 publications

Quasi Twenty Four-Pulse Operation of HVDC Series Tapping Stations

Quasi Twenty Four-Pulse Operation of HVDC Series Tapping Stations

New digital control of forced commutation HVDC converter supplying into load system without AC source

Adjusting converter controls for paralleled DC converters using a digital transient simulation program

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