2MW-windconverter_Apr2013_EN

Optimized DC bus connection between the half bridges – low stray inductance
Usage of “long caps” to reduce the temperature, Much better compared to short and big caps
2 MW Power Unit with SKiiP Technology
April 2013
High Power module - SKiiP - „all in one“
SKiiP Driver Controller interface Power supply Gate driver Power section V sensor I sensor T sensor Protection circuit
SKiiP2414GB17E4 - - - - - - up to 1.2 MW
April 2013
15 10.05.2013
Flexible design with different SKiips
1700V/2400A
1700V/3600A
April 2013
16
Focus May 2013
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-
wenku.baidu.com
New design proposal – up to 2 MW Full Size
April 2013
5 10.05.2013
New design with SKiiP3614GB17E4
SKiiP3614GB17E4 Water cooled heat sink – flexible
Holes on both side to improve the cooling
Long caps, very good for cooling,
Fan is considered for cap cooling
Alternative - Caps can be cooled by water cooled heat sink – heat sink is connected to the IGBT heat sink
April 2013
11 10.05.2013
New design proposal – up to 4 MW full Size
800 mm
800 mm
reactors
reactors
April 2013
12 10.05.2013
New power unit – weight estimation
Liquid or air cooling
SKiiP Power Modules in 1200V/1700V - Technology
1200A – 2400A
1800A to 3600A
April 2013
Product&Power range: 400kW – 2 MW
Circuit
1200V
Release 30th May 2013
“MiniSKiiP Inverter design”
compact design cost reduction reduce manufacturing cost reliability up to 90kW
Weight information
- DC bus caps (1500uF/700V)(center point) 10 x 1.6 kg = 16 kg - DC bus caps (560uF/1300V – no center point 10 x 1.6kg = 16 kg - SKiiP with heat sink = 12 kg - Alu frame = 2 kg - Copper parts = 1 kg - Alu bus bar = 2 kg - Total 33 kg
Handle bars for easy assembly
All mounting screws are accessible from front April 2013
6 10.05.2013
Dimension of power unit
April 2013
7 10.05.2013
New design with SKiiP3614GB17E4
1814GB12E4-3D
1700V
1814GB17E4-3D
6-fold (GB) 4-fold (GB) 3-fold (GB)
+
ICnom = 1800A
-
+
2414GB12E4-4D
2414GB17E4-4D
ICnom = 2400A
-
3614GB12E4-6D
+
3614GB17E4-6D
ICnom = 3600A
10.05.2013
13
Flexibility – one cabinet with one converter and reactor
2 MW converter with reactor
April 2013
14 10.05.2013
Flexibility in power – same platform
All screws are unscrewed from the front
Very compact and flexible design
April 2013
10 10.05.2013
New design – DC bus bars already installed in cabinet
+ - + - + Stray inductance between the half bridges can be reduce by connecting 3 inductance in parallel Fans for the caps
April 2013
8 10.05.2013
Box design with SKiiP3614Gb17E4
April 2013
9 10.05.2013
Cabinet dimension for 2 MW full size converter
Power units can be take out from the front