Distributed Drives Monitoring and Control: A Laboratory Setup

Table 3

Sensitivity of performance variables of three-phase IM.

(Output power = full load = 3.7 kW.  𝑠=0.043)
Parameters	𝑅𝑠	𝑅𝑟	𝑋𝑠	𝑋𝑟	𝑋𝑚	𝑉	𝑓
Power input	−0.022	−0.891	−0.099	−0.014	0.035	2.010	−0.078
Power output	−0.107	−0.888	−0.103	−0.021	0.085	2.090	−0.037
Efficiency	−0.085	0.003	−0.004	−0.006	0.051	0.078	0.041
Power factor	0.029	−0.235	−0.050	−0.038	0.289	0.000	0.202
Stator current	−0.052	−0.658	−0.050	0.023	−0.254	1.000	−0.280
Starting current	−0.184	−0.131	−0.352	−0.309	−0.022	1.000	−0.681
Magnetizing current	−0.052	0.063	−0.050	−0.004	−0.950	1.000	−1.003
Torque	−0.103	−0.854	−0.099	−0.020	0.082	2.010	−0.036
Starting torque	−0.367	0.734	−0.702	−0.707	0.047	2.010	−1.357