Research Article

An Improved Phase-Locked-Loop Control with Alternative Damping Factors for VSC Connected to Weak AC System

Table 7

Limits of power transmission with different .

Max Max
(rectifying operation)(inverting operation)

80°385 MW (1.283 pu)460 MW (1.533 pu)
81°390 MW (1.300 pu)458 MW (1.527 pu)
82°397 MW (1.323 pu)456 MW (1.520 pu)
83°408 MW (1.360 pu)455 MW (1.517 pu)
84°415 MW (1.383 pu)452 MW (1.507 pu)
85°420 MW (1.400 pu)450 MW (1.500 pu)