POWER SUPPLY SYSTEM
PROBLEM TO BE SOLVED: To provide a power supply system that secures sufficient reliability and in which no outage time is substantially generated when power supply to a load (8) is switched from a power system (16) to power storage means (14) and vice versa in addition.SOLUTION: Changeover switching...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a power supply system that secures sufficient reliability and in which no outage time is substantially generated when power supply to a load (8) is switched from a power system (16) to power storage means (14) and vice versa in addition.SOLUTION: Changeover switching means (22) installed in a cross board 6 is composed of a first mechanical switch (24) and a semiconductor switch (26) that are mutually connected in parallel and a second mechanical switch (28) that is connected with the first mechanical switch (24) and the semiconductor switch (26) in series. Charge/discharge switch means (32) installed in a charge/discharge device (12) is also composed of a first mechanical switch (34) and a semiconductor switch (36) that are mutually connected in parallel and a second mechanical switch (38) that is connected with the first mechanical switch (34) and the semiconductor switch (36) in series.SELECTED DRAWING: Figure 2
【課題】負荷(8)への給電を電力系統(16)から蓄電手段(14)に切り替える際及び蓄電手段(14)から電力系統(16)に切り替える際に停電時間が実質上生成されることがないことに加えて充分な信頼性が確保される給電システムを提供する。【解決手段】切替盤6に配設されている切替スイッチ手段(22)は、相互に並列接続した第一の機械的スイッチ(24)及び半導体スイッチ(26)と共にかかる第一の機械的スイッチ(24)及び半導体スイッチ(26)に直列接続された第二の機械式スイッチ(28)から構成されている。充放電装置(12)に配設された充放電スイッチ手段(32)も、相互に並列接続した第一の機械的スイッチ(34)及び半導体スイッチ(36)と共にかかる第一の機械的スイッチ(34)及び半導体スイッチ(36)に直列接続された第二の機械式スイッチ(38)から構成されている。【選択図】図2 |
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