Beyond Derby, at Bell Gorge, tiered pools of dark water, Shadowed by ochre cliffs and connected by a tumbling cascade, lay at the end of an increasingly verdant bush walk.

The largest space of the project, Taikoo Square, creates the impression of a series of terraces and is typified by two large longitudinal pools connected by a cascade and a small water table.

This paper discusses the basic principle which the inverted firing angle of thyristor inverter has the influence on power factor of a cascade connected device.