In what fields are polarization indices used? What are the limitations of using a polarization index?

Feb 24, 2025 ... Description: The PaF income polarization index as proposed by Duclos J. Y., Esteban, J. and Ray D. (2004). "Polarization: concepts, measurement, ... Dec 14, 2016 ... For instance, Polarization Index Testing is referred to as the ratio of 10-minute to 1-minute insulation resistance value of a machine's ... Figure 1 displays the political polarization index over time (solid line). The circles indicate months associated with presidential elections (either when the ... This paper presents the results of an experiment done on a low-voltage synchronous permanent magnet motor as compared to its theoretical fractional-order model. Jul 25, 2010 ... The value of PI generally shall be above 2. In general, a high value of PI indicates the good condition of the insulation system. If the PI ... Nov 28, 2024 ... Polarization Index is an indicator used to evaluate the health status of insulation systems and determine the degree of insulation aging in ... Polarization index (PI) test · PI results of 1.00-2.00 would be considered acceptable for equipment with very low capacitance, such as short runs of house ... May 4, 2021 ... ... Polarization Index (API). API relies on people's like-dislike evaluations of parties and also accounts for party size. This allows for ... In this case the polarization index is equal to 0. This is because for this distribution, the income share of the bottom 50 percent is 0.5; Gini coefficient is ... Megger and PI is a very quick way to get an overall assessment of the health and cleanliness of an insulation system in just a few minutes' time.