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US 2016/0252556 A1Published application
Deterioration detecting apparatus and deterioration detecting method
AssigneeFujitsu Ten Limited
InventorsShota KAWANAKA, Sho TAMURA
Life of this patent
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Abstract
A deterioration detecting apparatus includes: a capacitor that is connected to an insulated electric power source, and is charged and discharged; a voltage detecting unit that detects a voltage of the capacitor; and a deterioration detecting unit that detects a deterioration in insulating resistors of the electric power source on the basis of the voltage of the capacitor detected by the voltage detecting unit, in which the voltage detecting unit can detect the charged negative voltage of the capacitor.
Claims11
A deterioration detecting apparatus comprising:
- a capacitor that is connected to an insulated electric power source, and is charged and discharged;
- a voltage detecting unit that detects a voltage of the capacitor;
- and
- a deterioration detecting unit that detects a deterioration in insulating resistors of the electric power source on the basis of the voltage of the capacitor detected by the voltage detecting unit,
- wherein the voltage detecting unit can detect the charged negative voltage of the capacitor.
2 more elements
A deterioration detecting method comprising:
- a voltage detecting process of charging and discharging a capacitor connected to an insulated electric power source and detecting the voltage of the capacitor;
- and
- a deterioration detecting process of detecting a deterioration in insulating resistors of the electric power source on the basis of the voltage of the capacitor detected in the voltage detecting process,
- wherein, in the voltage detecting process, it is possible to detect the charged negative voltage of the capacitor.
1 more element
Dependencies are inferred from the claim text.