BUILDING POWER SUPPLY SWITCHING SYSTEM

• Main Authors: FUTAMI SATOSHI, NAKAMURA YOSHINOBU
• Format: Patent
• Language: English; Japanese
• Published: 27.12.2021
• Subjects: BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

To provide a building power supply switching system that switches between a single-phase two-wire 100 V portable generator and a commercial power supply.SOLUTION: A system that switches power supplied to a building to which power is supplied from a commercial power supply between the commercial power supply and an external power supply includes a switch for performing switching, which exists in a path for supplying the commercial power to a branch breaker provided in the existing distribution board in the building, and the switch is a three-pole specification corresponding to a single-phase three-wire system, and the commercial power supply is connected to the first inlet side, the external power supply is connected to the second inlet side, and the supply line to the branch breaker is connected to the outlet side, the external power supply is a single-phase two-wire 100 V generator, and the generator is connected to a first voltage pole and a neutral pole on the second inlet side of the switch, and in the switch, the first voltage pole and a second voltage pole on the second input side are connected by crossover wiring.SELECTED DRAWING: Figure 1 【課題】単相２線式１００Ｖのポータブル発電機と商用電源との切替えを行う建物の電力供給切替システムを提供する。【解決手段】商用電源から電力が供給される建物に対し、上記建物に供給する電力を、上記商用電源と外部電源とのあいだで切替えを行うシステムであって、上記建物に既設の分電盤に備わった分岐ブレーカに対して上記商用電源を供給する経路に存在し、上記切替えを行うための切替器を備え、上記切替器は、単相３線式に対応する３極仕様であり、第１の入側に上記商用電源が接続され、第２の入側に上記外部電源が接続され、出側に上記分岐ブレーカへの供給線が接続され、上記外部電源が単相２線式１００Ｖの発電機であり、上記発電機が上記切替器の上記第２の入側における第１電圧極と中性極に接続され、上記切替器は、上記第２の入側における第１電圧極と第２電圧極が、渡り配線によって接続されている。【選択図】図１