US 12,153,076 B2
Apparatus and method for measuring insulation resistance of vehicle
Jong Hu Yoon, Whasung-Si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Jul. 11, 2022, as Appl. No. 17/861,558.
Claims priority of application No. 10-2021-0113461 (KR), filed on Aug. 26, 2021.
Prior Publication US 2023/0062761 A1, Mar. 2, 2023
Int. Cl. G01R 27/26 (2006.01); B60L 3/00 (2019.01); G01R 27/02 (2006.01); G01R 31/12 (2020.01); G01R 31/52 (2020.01); H02H 3/16 (2006.01)
CPC G01R 27/2605 (2013.01) [G01R 31/12 (2013.01); H02H 3/16 (2013.01); B60L 3/0069 (2013.01); G01R 27/025 (2013.01); G01R 31/52 (2020.01)] 16 Claims
OG exemplary drawing
 
1. An apparatus for measuring an insulation resistance of a vehicle provided with a voltage system including a battery and a plurality of electrical components operated by receiving power stored in the battery, the apparatus including:
a controller individually identifying the electrical components electrically connected to the battery among the plurality of electrical components and determining a stray capacitance based on the electrical components electrically connected to the battery, and determining a measurement period for measuring the insulation resistance of the vehicle based on the determined stray capacitance.