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SIVACON 8PS - System LDM

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Current range from 800 A to
800 A

- The innovative alternative to cables

- The busbar trunking system for wind turbines

Power Engineering Guide – the manual. Discover the LDM system in Section 4.5.5.
Download the Power Engineering Guide

Busbar instead of cables

SIVACON 8PS - LDM system for windturbines

 

Whether you are an investor, wind farm operator, wind turbine planning engineer, or tower manufacturer, the LDM system offers you distinct advantages specific to the design – at no extra cost. Such benefits can include improved unit availability and enhanced safety and reliability during installation and operation, for example. The LDM busbar trunking system from the SIVACON 8PS product family is thus the innovative alternative to cables. The LDM system offers reliable and efficient power transmission for currents of up 8,200 A.

 

SIVACON 8PS - LDM system: Transmit currents of up to 8,200 in wind turbines safely and efficiently
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SIVACON 8PS - LDM system: cost-efficient planning

The LDM system precisely fulfils the specific needs and requirements of every wind turbine and provides all the necessary components, significantly simplifying system planning. This enables, for example, the rotor and stator runs for double-fed asynchronous generators to be routed within a single housing. A PE conductor can be optionally included in the same routing. What’s more, specialists on Siemens' Wind Power team are there to provide you with expert advice and to support your planning efforts. Hence, you can plan cost-efficiently right from the project start.

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SIVACON 8PS - LDM system: significant time-savings for installation compared to conventional cabling

SIVACON 8PS - LDM system: efficient installation

Simply join the segments, secure with bolts, and you're done: LDM busbar trunking systems arrive at the project site in pre-assembled segments. Contrary to cables, there's no need for complex cutting to length, stripping, insulating, and screwing into place. All the busbar needs is a support on the tower wall every 3.20 metres. Compare this to cable systems, where spacing must be calculated, with some intervals less than 50 cm. 

 

In addition, busbar elements can be pre-assembled and installed in tower segments that lie horizontally prior to final erection, thereby saving time and money. On site, all that's left to do is secure the connections between the tower segments during final erection using design verified single-bolt connections. The assembly work in all phases of installation is performed using a standard torque wrench. In short: Using the LDM system substantially reduces installation time.

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SIVACON 8PS - LDM system: safe and reliable operation

The LDM busbar trunking system transmits power from the nacelle to the tower base safely and reliably. The LDM system meets all requirements of IEC 61439 Parts 1 and 6. This means that the system is subject to priordesign verification, ensures that all technical parameters are sustainably fulfilled, and rules out any overloading of the systems and consequential damage. Any short circuits arising have no impact on the LDM system. Because practically no plastics are used, the fire load is very low, immensely increasing the level of safety compared to cable systems. For wind turbine operators, this translates into reliable wind farm operation – across the entire fleet.

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SIVACON 8PS -