update user manual on electrical consumers

Documentation/User Manual/5-input-and-output-files/VMOD.md

@@ -74,7 +74,7 @@ $P_{avg} = \frac{1}{simulation interval} \int{P(t) dt}$.
 | P_busAux_PS_gen            | [kW]      | Mechanical power demand for the air compressor to produce Nl_busAux_gen air. *(only in .vmod file if bus auxiliaries are used)*                                                                                                                                                                                                                                                                                |
 | P_busAux_PS_gen_max        | [kW]      | Mechanical power demand for the air compressor to produce the maximum air volume. (Used for correcting the total fuel consumption in case of smart pneumatic system) *(only in .vmod file if bus auxiliaries are used)*                                                                                                                                                                                        |
 | P_busAux_PS_gen_drag       | [kW]      | Mechanical power demand for the air compressor if no air is produced (compressor is in drag only, used for correcting the total fuel consumption in case of smart pneumatic system) *(only in .vmod file if bus auxiliaries are used)*                                                                                                                                                                         |
-| P_aux_<XXX>                | [kW]      | Power demand for every individual auxiliary. Only if the run has auxiliaries.                                                                                                                                                                                                                                                                                                                                  |
+| P_aux_<XXX>                | [kW]      | Mechanical power demand for every individual auxiliary. Only if the run has auxiliaries. In case of fully electrical auxiliaries for trucks the electrical power demand is converted to mechanical power using the alternator efficiency. For Buses with fully electrical auxiliaries the consumer is connected to the electrical system and thus the according column reports 0 power demand.                                                                                                                                                                                                                                                                                                                                   |
 | P_WHR_el                   | [kW]      | Power generated by an electric WHR system, interpolated from WHR map.                                                                                                                                                                                                                                                                                                                                          |
 | P_WHR_el_corr              | [kW]      | Power generated by an electric WHR system after applying                                                                                                                                                                                                                                                                                                                                                       |
 | P_aux_ESS_mech             | [kW]      | Power demand of the auxiliaries considered during engine off periods, multiplied by the engine start/stop utility factor. The final fuel consumption (.vsum) is correctedd for this power demand in a [post-processing step](#engine-fuel-consumption-correction). This power demand has no influence on FC-Map.                                                                                               |

Documentation/User Manual/5-input-and-output-files/VSUM.md

@@ -35,7 +35,7 @@ The .vsum file includes total / average results for each calculation run in one
 | E_fcmap_pos                            | [kWh]                                              | Total positive work provided by the combustion engine.                                                                                                                                                                                                                                                                      |
 | E_fcmap_neg                            | [kWh]                                              | Total energy                                                                                                                                                                                                                                                                                                                |
 | E_powertrain_inertia                   | [kWh]                                              | Total work of engine, torqueconverter, and gearbox inertia                                                                                                                                                                                                                                                                  |
-| E_aux_xxx                              | [kWh]                                              | Energy demand of auxiliary with ID xxx. See also [Aux Dialog](#auxiliary-dialog) and [Driving Cycle](#driving-cycles-.vdri). In Declaration Mode the following auxiliaries always exists: E_aux_FAN (Fan), E_aux_PS (Pneumatic System), E_aux_STP (Steering Pump), E_aux_ES (Electrical System), E_aux_AC (Air Condition)   |
+| E_aux_xxx                              | [kWh]                                              | Energy demand of auxiliary with ID xxx applied as torque demand to the engine (i.e. mechanical energy demand). See also [Aux Dialog](#auxiliary-dialog) and [Driving Cycle](#driving-cycles-.vdri). In Declaration Mode the following auxiliaries always exists: E_aux_FAN (Fan), E_aux_PS (Pneumatic System), E_aux_STP (Steering Pump), E_aux_ES (Electrical System), E_aux_AC (Air Condition). In case of fully electrical auxiliaries for trucks the electrical power demand is converted to mechanical power using the alternator efficiency. For Buses with fully electrical auxiliaries the consumer is connected to the electrical system and thus the according column reports 0 power demand.   |
 | E_aux_sum                              | [kWh]                                              | Total energy demand of all auxiliaries. This is the sum for all E_aux_xxx columns and the bus auxiliaires.                                                                                                                                                                                                                  |
 | E_clutch_loss                          | [kWh]                                              | Total energy loss in the clutch                                                                                                                                                                                                                                                                                             |
 | E_tc_loss                              | [kWh]                                              | Total torque converter energy loss                                                                                                                                                                                                                                                                                          |