ETC Technical Specification
Electric Turbo Compounding (ETC) technology is our solution to the challenge of improving energy efficiency for the stationary power generation industry.
Bowman’s ETC Technology
Bowman’s ETC systems comprise a turbo charger, turbo generator and power electronics unit. These components work together in order to either increase the efficiency of your genset or increase the power output.
Through recovering the exhaust gases from the turbo charger, a turbo generator produces power which is cleaned by the power electronics in order to be clean and grid quality.
How the TG works
-Waste heat energy (exhaust gas) feed through TG inlet
-The force of the exhaust gas causes the TG wheel to spin at >30k RPM, unused energy is feed back to main exhaust stack
-The TG wheel is directly coupled to High speed electrical machine (alternator)
-The alternator produces a non stable AC current, which is exported to the Power Electronic unit (PE)
The ETC system consists of turbo generator (TG) and power electronics (PE) unit.
ETC 1000 Axial flow, horizontal axis turbo generator
-Lubrication and cooling integrated with host genset
-Built-in-bypass provision (rotor lock)
-3 turbine variants for broad applicability
How the PE works
-The AC current produced by the Alternator enters the Power electronics’ module.
-This AC input current is converted to DC before the final conversion to a 3 phase AC grid standard (50/60Hz) output.
ETC 1000 Power Electronics
-110kWe, 220A rating
-400V/50Hz or 480V/60Hz operation
-Broad grid code compliance
To find out more, you can download the technical specification by completing the form on the bottom of this page.
The ETC 300 is suited to gas and diesel-fulled gensets in the 150kW-400kW range as a single system.
The ETC 600 is suited to gas and diesel-fulled gensets in the 300kW-600kW as a single system and in the 500kW-1200kW as a twin system.
ETC 1000 is suited to gas and diesel-fuelled gensets in the 600kW-1100kW range as a single system and 1100kW-2000kW gensets as a twin system.
What is ETC?
Electric Turbo Compounding (ETC) technology is our solution to the challenge of improving energy efficiency for the stationary power generation industry
ETC for Open Genset
The Electric Turbo Compounding system is suitable for new build or retrofit application for a gas and diesel-fuelled open genset, improving overall energy efficiency and power density.
ETC for Containerised Gensets
The Electric Turbo Compounding system is equally suited for integration with containerised gensets, improving the efficiency of rental units.
We’ve compiled a list of frequently asked questions about our Electric Turbo Compounding systems, from performance and reliability to installation, operation, and maintenance.