To provide a structure capable of determining a limit value of input power or output power according to temperature of a power storage unit in an on-vehicle DCDC converter.SOLUTION: In a DCDC converter 1, a determination unit uses a system for determining whether or not input power of an input side conduction path reaches an input power limit value to be determined according to input voltage of the input side conduction path and a temperature range to which temperature of an input side power storage unit belongs, or a system for determining whether or not output power of an output side conduction path reaches an output power limit value to be determined according to output voltage of the output side conduction path and a temperature range to which temperature of the output side power storage unit belongs.SELECTED DRAWING: Figure 1
【課題】車載用のDCDCコンバータにおいて入力電力又は出力電力の制限値を蓄電部の温度に合わせて定めることができる構成を提供する。【解決手段】DCDCコンバータ1において、判定部は、入力側導電路の入力電力が、入力側導電路の入力電圧と入力側蓄電部の温度が属する温度範囲とに応じて定まる入力電力制限値に達したか否かを判定する方式、又は、出力側導電路の出力電力が、出力側導電路の出力電圧と出力側蓄電部の温度が属する温度範囲とに応じて定まる出力電力制限値に達したか否かを判定する方式を用いる。【選択図】図1
ON-VEHICLE DCDC CONVERTER
車載用のDCDCコンバータ
2019-10-10
Patent
Electronic Resource
Japanese
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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