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Semikron has launched its newest MINISKIIP IGBT power semiconductor module, which is now also available in three-level topology.

The module features a rated current of 4.9A/cm and one phase leg per module, enabling the development of compact inverters with output power of up to 85kVA.

The MINISKIIP is characterised by the fast and easy single-screw assembly and therefore optimised for the efficient manufacture of three-level solar inverters and UPS systems.

The rated current per unit of area is up to twice that of other three-level modules, according to the company.

Since no solid busbars are needed between the three phases/modules, more compact inverters can be made.

The reverse voltage of the IGBTs and diodes used has been increased to 650V to enable DC link voltages of 900V for 480V three-phase power applications typical in commercial or industrial settings in the US.

Each module has a three-level phase leg with sufficient space for 10 power semiconductors each.

Thermal and electrical connection between the module, the heat sink and the driver board is established with a single screw or two screws for rated module currents of up to 150 or 200A, respectively.

This means that solder equipment and time-consuming soldering processes are done away with in the assembly stage.

For solar-inverter output power of 60kVA and above, modules with screw connections were previously used for the busbars.

With MINISKIIP 200A three-level modules, the busbars can be replaced with cheaper PCBs in inverters with outputs of up to 85kVA.

Former complex eight-screw connections have been reduced to simple two-screw-assembly solutions.

The three-level product range from Semikron covers rated currents of 20 to 600A: featuring SEMITOP solder modules for up to 150A, MINISKIIP spring contact modules for up to 200A and SKIM screw connection modules for up to 600A.

SEMIKRON, a private and financially independent family enterprise, was founded in 1951 and employs 2,900 people worldwide. The headquarters is located in Nuremberg, Germany. The company develops and produces reliable and efficient power electronic components and solutions for wind power generators, solar power, electric and hybrid vehicles, power supplies, industrial applications, electric drives, welding machines, lifts, conveyor belts and the rail industry. As a significant innovator in the power electronics sector, many of SEMIKRON’s progressive developments have been accepted as industrial standards.

A global network of 35 companies, production sites and solution centres guarantees fast and competent on-site customer support and service. The products range from 1kW to 10MW: chips, discrete diodes/thyristors, power modules (IGBT/MOSFET/diode/thyristor) to customer-specific solutions and integrated power electronic systems.  

According to a survey carried out by BTM Consult Apes, the total wind power capacity installed until 2009 was 122GW. 57GW comprises semiconductors from SEMIKRON.

As the market leader in the field of diode/thyristor semiconductor modules, SEMIKRON enjoys a 37 per cent share of the worldwide market.*

*Source: IMS-Research — 'The worldwide market for power semiconductor discretes and modules' — 2008

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