POWERAIL LSV AND LSVG
1912 General Feed Sets
The Vahle Aluminium enclosed Powerails LSV and LSVG arecompact and safe prefabricated Electrification Systems.These systems are ideal for indoor and outdoor use, for alltypes of installations requiring a moving or movable source of
electrical power: cranes, monorails,
hoists manufacturer, electric power tools,
machine tools, storage and retrieval systems and many other
mobile machinery applications. LSV and LSVG are especially
well suited for higher ambient temperatures.The principal advantages of these systems are maximum elec-trical and personnel safety, compactness, dependability andminimal maintenance expense. They fully meet all safety requi-rements;VDE 0470 § 3; Protection IP 23, with sealing strip IP 24per DIN 40050 applies.The aluminium enclosed LSV 4- and 5pole and the PVC en-closed KSL 4- and 5pole (see cat. 4a) can be combined by
means of a transfer piece. End feeds or line feeds are available.End feed boxes 4-11 pole are designed for max. 60 Amperes;line feed boxes rate from 60 to 300 Amperes. Space-saving line
feeds with 2 m connection cables are available.The factory assembled 1 m feed-in tracks integrate in yoursystem length.
Brackets & Hangers
We do recommend to use our standard supporting brackets,
page 8 for monorail and hoist applications.Standard support spacing is 2 m. Up to 3 m support spacing ispossible when using joint covers for connecting the duct sec-
tions. Use one fix point hanger; all others are sliding hangers
(see installation instructions).
Housing Expansion Joint Sections
The system consists of two prefabricated, standardized alumi-
nium profiles which are bolted together. The polarizing long and
short lip profiles prevent accidental reversal and avoid phase
reversing of collectors. The lateral arrangement of insulators
and copper conductors allows 4-7 conductors in the LSV and
6-11 conductors in the LSVG housing.The 5, 7 and 11 pole systems use an uninsulated ground con-ductor (see page 5).Curved track sections to contour to almost any job requirementcan be furnished to order.We do recommend the anodized version for installations in coa-stal areas, river valleys or other humid and aggressive environ-
ments. Heating systems for icing conditions are available.All LSV and LSVG housings can be equipped with a Neoprenesealing strip or a Plastic shielding as shown on page 6 of this
catalog.Standard duct sections are 1, 2, 3 or 4 m long; other sectionsto coincide with your runway requirements are available.End caps close the open Powerail ends. These expansion joints can compensate for expansion and
contraction difference between aluminium housing and copper
conductors. They do not interrupt electric current flow.
Telescope & Anti-condensation sections
The telescope devices serve for length-compensation in high
temperature fluctuations, for runs exceeding 200 m. For com-
bined indoor/outdoor applications use the anti-condensation
section. A separate feeding on both sides of these units is
required.
Powerails for working areas and transfer applications see page 12.
Sectionalizing
Factory assembled conductor dead sections are available in
the air gap and the insulating piece version for control circuits.
The 60, 100 and 140 Amp. systems use side fish plates for join-ing adjacent sections; the 200 and 300 Amp. Sizes and allbolted conductor joint versions have joint covers (see page 6and 7).The lower portion of the housing serves as a smooth, rigid run-way for the collector trolleys and is aligned by grooved push
pegs.
Conductor rails on the 60, 100 and 140 Amp. sizes are splicedby
connectors manufacturer being pushed inside the hollow conductors. Bolted joints are also available for these sizes.The 200 and 300 Amp. systems exclusively use bolted joints. The current collectors are made of re-inforced polyester fiber-
glass and duroplast, for high strength and light weight. Spring
loaded carbon brushes maintaining uniform contact. Connect-
ing cables or terminal boxes and hinged or flexible towing arms
included. Double collectors for transfer applications and higher
amperage. To speed up quotations and order processing, wewould appreciate receiving your drawings or sketches
for Powerail systems with curves, dead sections, turn-
tables, switches, etc.
Please use our questionnaire, page 29 and 30.
Consider the voltage drop calculation to maintain the limits established by the motor manufacturers:
Formulas:Effective length:
AC:
U = √ 3 x I x
l
x Z U
· 100 l = L power feed located at the end of the system
U
= l = L /2power feed located at the mid-point of the system
2 D C:
U
V l = L /4power feed located at both ends of the system
= 2
l
x I x R
l = L /6power feed located at L /6 from each end of the system ∆ U
1 = Voltage drop[V] V = System Voltage ∆ U
2 = Voltage drop in % l = Power feed length[m] Z = Impedance in Ohm/1000 m I = Ampere load[A] L = System length[m] R = Resistance in Ohm/1000 m The total ampere load is determined from the nominal rated current of all motors working simultaneously on the same feed section of your electrification system. The number of feed points should be increased in case the drop is exceeding the limitations – or it may be necessary to providebooster cables.
3