Page 102 - Practical Power System and Protective Relays Commissioning

100 Practical Power System and Protective Relays Commissioning

FIGURE 8.1 Air insulated switchgear line construction. 1: line; 2: surge arrester; 3: current
0
transformer; 4: isolator line side; 5: circuit breaker; 6: isolator (disconnector); 6 : earthing
switch; 7: busbar tubular rigid; 8: postinsulator support; 9: strain insulator for 1; 10: gantry
(beam); 11: support structure; 12: shielding conductor (ACSR).

FIGURE 8.2 Horizontally-upright mounted disconnect switch.