ABB ZX2 - Page 71

5. OPERATION 71
BB1 (front)
BB2 (rear)
BB1 (front)
BB2 (rear)
—
Fig. 5.2.3.1.3:
Closing the ground-
ing switch (busbar
2) in the bus tie
—
Fig. 5.2.3.1.4:
Closing the cir-
cuit-breaker in the bus
tie: Busbar 1 grounded
—
Fig. 5.2.3.1.3
—
Fig. 5.2.3.1.4