Product category:
DC/AC Inverters
News Release from: Semikron | Subject: Semikube
Edited by the Electronicstalk Editorial
Team on 29 July 2005
Modular platform creates custom inverter
designs
The Semikube is a modular inverter/convertor platform for applications up to 900kW.
New from Semikron, the Semikube is a modular inverter/convertor platform for applications up to 900kW The new platform can accommodate cubes in compact or high-power configurations to offer ratings from 320 to 1550A
This article was originally published on Electronicstalk on 26 Sep 2005 at 8.00am (UK)
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A Semikube comprises one, two or three cubes, each of which contains two, three or four blocks.
Each block can contain diodes, thyristors or two half-bridge IGBT modules mounted on a high-performance, purpose-designed heatsink.
A cube also incorporates its own bank of capacitors, which is separately fan-cooled to reduce size and maximise reliability.
A purpose-designed, optimised driver is incorporated into each cube.
The driver for any cube has a common user interface, which is accessible from the outside of the Semikube unit.
This driver provides all necessary protection features, including galvanic isolation, a safe extra low voltage (SELV) interface, temperature monitoring, short-circuit protection, current scaling and current balancing.
Blocks are interconnected by a modular, coplanar busbar system.
Each block incorporates a high-speed, closed-loop current sensor.
This configuration offers rapid and versatile assembly and, because it can accommodate one system fan per block if required, offers a power/volume ratio previously only available from water-cooled systems.
The Semikube system allows very compact inverters, convertors and other topologies to be constructed.
The cubes themselves are small and, in addition, clever design of the interconnect busbars allows thee cubes to be mounted very close to each other.
Off-the-shelf cubes and off-the-shelf platforms allow rapid assembly of a very wide range of solutions.
Semikube's power connection system (patent applied for) is very easy to dismount and routes DC polarities together to reduce inductance and, therefore, oscillating currents.
By using common diode, thyristor or IGBT modules, capacitors, heatsinks, fans, busbars and current sensors across the range, Semikron can offer short lead times; lower costs due to higher quantities; proven, qualified parts; and easy maintenance with a reduced reference list of spares.
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