Type Selection

How to select the right topology for your project?

The challenge with selecting the right type of power supply comes down to finding the type that is compliant to grid requirements and fits with the electrolyser’s electrical characteristics, at the lowest overall costs.

Specifications

Full IGBT Active Front End

Power Factor >0.99
Harmonics <1%
Efficiency Rectifier >98%
Modular Power Level 5MW / 10MW

Typical application

The full IGBT AFE is the most cost-effective solution for Electrolysers working on a relative high DC voltage ranging from 1000 to 1500VDC. It can be applied in an environment with strict power quality requirements. An additional benefit is the synchronization with the electrical grid and full behavior control, allowing reactive and capacitive power supply.

Cost

reference

Full IGBT Active Front End

Power Factor >0.99
Harmonics <1%
Efficiency Rectifier >98%
Modular Power Level 5MW / 10MW

Typical application

The full IGBT AFE is the most cost-effective solution for Electrolysers working on a relative high DC voltage ranging from 1000 to 1500VDC. It can be applied in an environment with strict power quality requirements. An additional benefit is the synchronization with the electrical grid and full behavior control, allowing reactive and capacitive power supply

Cost

reference

Diode-IGBT
 Chopper

Power Factor >0.96
Harmonics <8% (12-pulse), <3% (24-pulse)
Efficiency Rectifier >98%
Modular Power Level 5MW / 10MW

Typical application

The Diode IGBT chopper uses a diode bridge to create a fixed DC which thereafter is controlled by the chopper to the required DC level. This topology can be used with electrolysers working on a DC voltage ranging from 500 to 1200 VDC. The power quality characteristics are suitable for most grids.

Cost

reference

Thyristor

Power Factor >0.9 with PFC
Harmonics <8% (18-pulse)
Efficiency Rectifier >98.5%
Modular Power Level 5MW / 10MW / 35MW

Typical application

The converters set up with the thyristor semiconductor are suitable for grids with low demand on power factor and harmonics and/or electrolysers that require large currents. However, additional compensation equipment is required, which compensates for the reduced cost of the system.

Cost

reference

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Specifications

Power Factor Harmonics Efficiency Rectifier Modular Power Level
Full IGBT Active Front End >0.99 <1% >98% 5MW / 10MW
Typical application

The full IGBT AFE is the most cost-effective solution for Electrolysers working on a relative high DC voltage ranging from 1000 to 1500VDC. It can be applied in an environment with strict power quality requirements. An additional benefit is the synchronization with the electrical grid and full behavior control, allowing reactive and capacitive power supply.

Cost

reference
Full IGBT Active Front End >0.99 <1% >98% 5MW / 10MW
Typical application

The full IGBT AFE is the most cost-effective solution for Electrolysers working on a relative high DC voltage ranging from 1000 to 1500VDC. It can be applied in an environment with strict power quality requirements. An additional benefit is the synchronization with the electrical grid and full behavior control, allowing reactive and capacitive power supply

Cost

reference
Diode-IGBT
 Chopper >0.96 <8% (12-pulse), <3% (24-pulse) >98% 5MW / 10MW
Typical application

The Diode IGBT chopper uses a diode bridge to create a fixed DC which thereafter is controlled by the chopper to the required DC level. This topology can be used with electrolysers working on a DC voltage ranging from 500 to 1200 VDC. The power quality characteristics are suitable for most grids.

Cost

reference
Thyristor >0.9 with PFC <8% (18-pulse) >98.5% 5MW / 10MW / 35MW
Typical application

The converters set up with the thyristor semiconductor are suitable for grids with low demand on power factor and harmonics and/or electrolysers that require large currents. However, additional compensation equipment is required, which compensates for the reduced cost of the system.

Cost

reference