A
a.c. voltage regulator,
18/34
direct frequency converter,
18/35
A.c. and d.c. systems, interaction between,
32/36–42
a.c./d.c. system strength,
32/36
classification of the a.c./d.c. system strength,
32/39
high SCR a.c./d.c. system,
32/39
low SCR a.c./d.c. system,
32/39
critical short-circuit ratios,
32/40–1
low short-circuit ratio,
32/42
a.c. and d.c. overvoltages,
32/42
conditions at the rectifier end,
32/42
recovery after a.c. and d.c. faults,
32/42
steady-state stability,
32/42
maximum-power curve,
32/38
short-circuit ratio as a guide to system ...