Pantograph:

 

Design philosophy of Yichang pantograph

1)High-efficiency current transmission capacity

2)Reduce the maintenance rate

3)Reduce current transmission interface damage

4)Prolong life-span between the wearing interface

5)Optimize effectivity dynamic mass

6)Optimize suspension stiffness

7)Optimize aerodynamic performance

Nominal technical parameters of Yichang pantograph

Item

Typical Description

DC 1.5KV

AC 25KV

Typical running current

2000A

960A

Typical static current

540A

240A

Minimum electric clearance

54mm

Maximum running speed

160km/h

Nominal static contact force

120N

75N

Minimum working height

404mm

Folded height

254mm

Carbon strip material

Morganite MT85

Minimum action pressure

3.3bar

Minimum working pressure

3.6bar

Maximum pressure

10bar

Recommended  working pressure

6bar

Raising time

5s

Drop time

5s

Insulator height

80mm

400mm