Abstract
The operating constraints, regarding current and voltage regimes, involved in power transmission of long AC cable links are presented and here throughout developed. The possibility of transmitting high power rating is examined and the transmission length limits are evaluated. The procedure, which considers positive sequence models (as in Chapter 2), is essentially based on the classical transmission equations and their pertaining diagrams.This chapter has been particularly devoted to XLPE cables and gas insulated lines, but the procedure is worth applying to any distributed-parameter transmission line included overhead lines. The capability charts are a useful tool to highlight the operating characteristics of a cable link and a guide to evaluate the results of different degrees of reactive compensation. The results can offer the transmission system operators very effective means in order to evaluate the existing and future underground cable links to achieve high performances and a long lifetime [1].KeywordsReactive PowerPower FlowVoltage LevelCircuit BreakerSteady State RegimeThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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