POWER CONTROL UNIT, PHOTOVOLTAIC POWER GENERATION SYSTEM AND PROGRAM

• Main Authors: EGUCHI MASAKI, IZUMI AKIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 22.07.2019
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES; SYSTEMS FOR STORING ELECTRIC ENERGY

To provide a power control unit capable of recovering power generation efficiency of a power cell module.SOLUTION: A power control unit (30) is connected with a double-sided electrode type solar cell module (10) with a grounded frame and a system power network (2) and when an electromotive voltage in the solar cell module is under a predetermined voltage, a control signal is generated to make a ground potential of a negative electrode side input terminal (132) in which a negative electrode side of an output voltage of the solar cell module is input positive.SELECTED DRAWING: Figure 1 【課題】太陽電池モジュールの発電効率の低下を回復できる電力制御装置を提供する。【解決手段】電力制御装置（３０）は、フレームが接地している両面電極型の太陽電池モジュール（１０）および系統電力網（２）に接続されており、前記太陽電池モジュールにおける起電圧が所定の電圧を下回る場合、前記太陽電池モジュールの出力電圧の負極側を入力する負極側入力端子（１３２）の対地電位を正とするための制御信号を生成する。【選択図】図１