VVF Controlled Hydraulik Elevator With Berlinger Inverter Valve System Saturn-Alpha

R Holzen

Thursday 1st October 1998

Ever since its introduction 30 years ago, the hydraulic elevator has been known for a considerably higher power consumption compared to a traction elevator. Introduced will be a frequency controlled hydraulic drive system of which the power consumption is similar to that of traction elevator and which does not need a machine room.

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