Open Conductor Systems
48Pages

Open Conductor Systems

General VAHLE copperhead conductors were invented in 1912 by engineer Paul Vahle. The T-profile, with their attached copperhead, replaced conventional bare copper wires, which encountered frequent contact difficulties, considerable spark formation and wire breaks. Attaching a copper profile to a T-shaped steel foot achieved a level of mechanical stability which provided safe contact between conductor and current collector . This results in a higher service life of the system, wear to the copper conductor is hardly detectable. As a result of continual development, our conductors and...

IEC 60 204–32 (2009 excerpt) This standard applies for the use of electric and electronic equipment and systems for hoisting gear and corresponding equipment. Conductor lines and slipring bodies Protection against direct contact Conductor lines and slipring bodies must be installed or enclosed to ensure that protection is provided against direct contact during usual access to the lifting gear, e.g. over the track platform or crane carrier platform by one of the following protective measures: This is the preferred measure. a protection category of at least IPXXB or IP2X (see IEC 60364–4–41,...

phase spacing Insulator and support distance Conductors L 20, A 20, C 20 (Dimension L): distance max. 2.0 m all other conductors (Dimension L): distance max. 2.5 m The support brackets are attached to the crane track or respective structures. Phase distance (holes in the support brackets): 150 mm with low voltage, 350 mm with medium voltage up to 10 kV. In confined space conditions, the phase distance of conductors L 20, A 20 and C 20 must be no less than 100 mm and no less than 120 mm for all other conductor types. The support brackets must be aligned during assembly so that the conductors...

In order to simplify the selection of the conductors and current collectors, depending on ambient conditions, there is a table for selecting conductors on this page and a table for selecting current collectors on page 32. In addition to the electrical layout, the tables will assist in choosing the correct conductor quickly. These tables limit the different conductors in their respective areas of application and provide an overall overview of their application depending on the ambient temperature. In steel mills with a high degree of particle contamination, note F 45/100 or min. C 45 with...

(1) Continuous current details at AT = 35 0C (2) Impedance of conductors at 150 mm distance between phases and 50 Hz

The position of the feed point can initially be determined according to on-site circumstances, usually at the end of the system (end power feed). If nothing else is specified, a guideline value for the max. voltage drop in the conductor of 3% of the nominal voltage can be assumed. If this value is exceeded, the voltage drop can be reduced by changing the power feed length (l) or by arranging additional feeds. If necessary, the next larger conductor may even have to be selected. Power feed lengths (I): - With endfeeder clamp: l = L - With middle feeder clamp: 1 = 2 - With feeder clamps at...

Reference code: L = Steel T-profile, light version 20 = T-proflle foot width b in mm 14 = Copper cross-section (mm2) Bending at the factory: Minimum bending radius: R min. = 600 mm max. support distance: 600 mm Bending over the foot, head and lip is possible Bending over the copperhead is not possible with L 20/14 ■ Standard length: ■ Short sections: ■ Support distance: ■ Suitable current collectors: 7 m on request 2 m in straight runs DVD, GSV1 The steel profile can be supplied hot galvanized or coated. Expansion joint (required for system lengths over 100 m) Determination of quantity of...

Rigid joint Type Feeder clamps The feeder clamps are mounted at the intended feed points of the conductor. Type Cu must be soldered onto the copperhead of the conductor. Please clean the contact surfaces and apply contact grease.

Steel-Copperhead conductors F 35 Reference code: F = Steel T-Profile 35 = T-profile foot width b in mm 30 = Copper cross-section (mm2) Bending at the factory: Minimum bending radius: R min. = 1000 mm max. support distance: 1000 mm Bending over the foot, head and lip is possible Bending over the copperhead is not possible with F 35/30 Short sections: on request Support distance: 2.5 m in straight runs Suitable current collectors: GSV 2, GSV 4, GSV 8 The steel profile can be supplied hot galvanized or coated. Max. support bracket distance to the expansion joint = 250 mm (possibly install...

Rigid joint Type Feeder clamps The feeder clamps are mounted at the intended feed points of the conductors. Type Cu must be soldered onto the copperhead of the conductor. Please clean the contact surfaces and apply contact grease.

7 m on request 2.5 m in straight runs GSV 2, GSV 4, GSV 8 Steel-Copperhead conductors F 45 Reference code: F = Steel T-profile 45 = T-profile foot width bin mm 50 = Copper cross-section (mm2) Bending at the factory: Minimum bending radius: R min. =1000 mm max. support distance: 1200 mm Bending over foot, head and lip is possible Bending over the copperhead is not possible with F 45/50 Standard length: Short sections: Support distance: Suitable current collectors: The steel profile can be supplied hot galvanized or coated. Steel mills: max. expansion joint distance 42 m Max. support bracket...

Expansion joint with increased expansion value (e.g. building expansion joint) (required for system lenths over 100 m) Max. support bracket distance to the expansion joint = 250 mm (possibly install additional support brackets)

Feeder clamps The feeder clamps are mounted at the intended feed points of the conductors. Type Cu must be soldered onto the copperhead of the conductor. Please clean the contact surfaces and apply contact grease.

Reference code: A = Aluminum T-profile 20 = T-profile foot width b in mm 14 = Copper cross-section (mm2) Bending at the factory: Minimum bending radius: R min. = 600 mm max. support distance: 600 mm Bending over the foot and lip is possible Standard length: Short sections: Support distance: Suitable current collectors: 7 m on request 2 m in straight runs DVD, GSV 1 Bending over the copperhead is not possible with A 20/14