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The 8th IEE International Conference on AC and DC Power Transmission (ACDC 2006)
Progress on the New Zealand HVDC upgrade
The upgrading of the existing 600 MW New Zealand DC transmission link to the 1240 MW 'DC Hybrid Link' is currently one of the largest capital, infrastructure investment projects in New Zealand. The unique approach to contractual arrangement...
Small series converter station specification and cost evaluation
Power systems planning studies should consider HVDC alternatives, mainly when long distances are involved. On this context emerges the question about the economical and technical viability of supplying small loads along the lines. Looking f...
HVDC tapping station: power tapping from a DC transmission line to a local AC network
The authors describe a new concept for tapping off a small amount of power from a high voltage direct current (HVDC) transmission line to a local network. The proposed new concept for a series tapping implies power conversion in two steps f...
HVMDC: a new concept to feed small loads
Feeding small loads from HVDC transmission lines is a problem that has been investigated by many authors. The high voltage modulated direct current transmission (HVMDC) is a new concept to feed small loads which uses basically the same equi...
Multiterminal HVDC system control using a distributed computing technique
HVDC schemes are poised for a more significant level of acceptance in the large power transmission grid because of the proven experience that has been accumulated over many years with two terminal systems. Recent trends indicate that more m...
Stability and safety margins of a weak station within a multiterminal HVDC system
Interaction with inverters at AC power systems with low relative short-circuit capacity have been summarized recently. In a multiterminal HVDC system an inverter station which is weak in rated power, in the short-circuit-ratio, or both, pos...
Simulator study on line fault clearing by DC circuit breakers in a meshed MTDC system
HVDC multiterminal power systems, here referred to as MTDC systems, request increasing interest after the first schemes of this kind are in operation or under commissioning, respectively. A variety of system configurations can be defined wh...