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Maintenance interval: sprinting towards the 10,000 hour target

Maintenance interval: sprinting towards the 10,000 hour target

View of the building services in the energy cellar. The image shows the cooling water supply for the test benches above. We have set ourselves a very high bar: our target for a generator module is 10,000 maintenance-free operating hours. This is a record that is...
Hybrid drive for heat pumps: secured power supply and more

Hybrid drive for heat pumps: secured power supply and more

The heat pump is a remarkable machine: it is able to convert the energy input up to 6 times into heating energy. However, there is a small downside to the otherwise very sophisticated and quiet mode of operation: on the coldest days, its efficiency (COP = coefficient...