Device for inductive transfer of electrical energy and method for use thereof

A device for inductive transmission of electrical energy from a stationary unit having a current supply and a primary inductance to a vehicle adjacent the stationary unit having a secondary inductance and a battery for charging with a charging current from the secondary inductance, the device comprising:

• a primary control element included with the stationary unit for controlling power supplied to the primary inductance;
• a first measuring device included with the primary control element for measuring an operating electrical parameter of the current supply, the operating electrical parameter determined by power withdrawn from the secondary inductance;
• a secondary control element included within the vehicle for controlling power withdrawn from the secondary inductance, the secondary control element having:
• a switching device for varying amounts of power withdrawn from the secondary inductance;
• a second measuring device for measuring the charging current;
• and
• a computing device for determining if the charging current (IB) measured by the second measuring device deviates from a predetermined target value, wherein if a measured value of the charging current (IB) deviates from the predetermined target value, the computing device determines a temporal sequence of switching processes for execution by the switching device, the temporal sequence of switching processes determined according to a ratio between the predetermined target value and the measured value of the charging current (IB).