1. Distinguish trigger delay angle, phase-shifter angle, extinguish angle, trigger lead angle, and extinguish lead angle, paying attention to their operating areas.
2. Discuss the steady load flow control method of DC transmission.
3. Compare load flow calculation models with and without DC transmission lines.
4. Give an appropriate value L, C, and draw the curve of SVC equivalent reactance XSVC-b denoted in (5.121).