DISPERSIVE-TYPE POWER SUPPLY SYSTEM

PROBLEM TO BE SOLVED: To provide a dispersive-type power supply system that can detect reduction in precision of detecting voltages of a system power supply.SOLUTION: The dispersive-type power supply system has a controller 16 including a first A/D converter 16a receiving a first detection circuit o...

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Hauptverfasser: NAOI NORIHIRO, YAI KATSUNORI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a dispersive-type power supply system that can detect reduction in precision of detecting voltages of a system power supply.SOLUTION: The dispersive-type power supply system has a controller 16 including a first A/D converter 16a receiving a first detection circuit output from a system voltage detection circuit 31 and a first reference voltage, a second A/D converter 16b receiving a second detection circuit output from the system voltage detection circuit 31 and a second reference voltage, a comparator 16c inputting and comparing a first A/D output value from the first A/D converter 16a and a second A/D output value from the second A/D converter 16b, and a detection accuracy determination unit 16d determining the accuracy of detecting the system power supply voltage based on the result of comparison received from the comparator 16c. 【課題】分散型電源システムにおいて、系統電源の電圧の検出精度悪化の検出をする。【解決手段】分散型電源システムの制御装置16は、第一基準電圧が入力されるとともに、系統電圧検出回路31からの第一検出回路出力が入力される第一A/D変換部16aと、第二基準電圧が入力されるとともに、系統電圧検出回路31からの第二検出回路出力が入力される第二A/D変換部16bと、第一A/D変換部16aからの第一A/D出力値および第二A/D変換部16bからの第二A/D出力値を入力して比較する比較部16cと、比較部16cから入力した比較結果に基づいて系統電源電圧の検出精度の判定を行う検出精度判定部16dと、を備えている。【選択図】 図2