Table 1 MMC-based DC grid parameters.

From: Enhancing HVDC transmission line fault detection using disjoint bagging and bayesian optimization with artificial neural networks and scientometric insights

Sections

Nominal voltage (kV)

Impedance

Noise (db)

On-shore AC grid (MMC 3, 4)

400

1.77 + j17.7 Ω

900 MVA

Off-shore Wind farm (MMC 1, 2)

400

1.77 + j17.7 Ω

900, 1200 MVA

AC converter voltage

320

1.34 + j13.4 Ω

None

DC Capacitor

320

Arm capacitance 29.3(1,2,3) 39(4) [µF]

None

DC-link

320

Arm resistance 0.885(1,2,3),0.67(4)[Ω]

DC station reactor 84.8(1,2,3),63.6(4) [mH]

DC-line lengths

(1–3,1–4) 200 km, (2–4) 150 km,

(1–2,3–4) 100 km

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