| 摘要 |
The invention relates to a method for determining the pressure in a fluid-conveying system, comprising a fluid-conveying pump and an electric motor, wherein the fluid-conveying pump can be driven by the electric motor and the electric motor can be controlled by means of a control signal, wherein the following steps are performed: determining the electrical power of the electric motor, calculating the torque of the electric motor by using the determined electrical power, determining the pressure in the fluid-conveying system with the help of the torque. |
