Research Article
A Novel Series Connected Batteries State of High Voltage Safety Monitor System for Electric Vehicle Application
Table 1
Static insulation resistance test result.
| | Positive high voltage bus | Inserted resistance (kΩ) | 1000 | 500 | 250 | 100 | 50 | 2000 | 2000 | 2000 | 2000 | 2000 | | Measured resistance (kΩ) | 988 | 492 | 247 | 99 | 49 | 1960 | 1952 | 1958 | 1956 | 1950 | | Error (%) | 1.2 | 1.6 | 1.2 | 1.0 | 2.0 | 2.0 | 2.4 | 2.1 | 2.2 | 2.5 |
| | Negative high voltage bus | Inserted resistance (kΩ) | 2000 | 2000 | 2000 | 2000 | 2000 | 1000 | 500 | 250 | 100 | 50 | | Measured resistance (kΩ) | 1948 | 1950 | 1946 | 1954 | 1944 | 984 | 491 | 247 | 98 | 49 | | Error (%) | 2.6 | 2.5 | 2.7 | 2.3 | 2.8 | 1.6 | 1.8 | 1.2 | 2.0 | 2.0 |
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