Special case of distributing type grid -connected PV

• Main Authors: TIAN BAOSHU, LIANG XIAOJUAN, FANG ZHONGHE, TAO JINGZHI, GUO YANG, LIU BING, WANG JIA, FENG TIEMIN, DONG JIAN, ZHONG YINAN, WANG YUNJIAN, YU HUI
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2018
• 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

The utility model provides a special case of distributing type grid -connected PV, for box body type structure, open the door in the front portion, the inside electric elements mounting panel that isequipped with of box. The electric elements of installation has on the electric elements mounting panel: switch QS, current sensor CT, voltage sensor PT, RTU, GPRS DTU, contactor K1, circuit breaker QF1, earth -leakage protector QF2, arrester SPD and 24V DC power supply. The box top of the special case of grid -connected PV is equipped with rain -proof cover, and the rain -proof is covered end onecorner and is installed the antenna protection casing, the antenna protection casing inside have and GPRS the antenna that DTU is connected, antenna bottom adsorb in the rain -proof and cover the end, through the wire GPRS inside with the box DTU is connected. Be used for distributed photovoltaic power generation user to be incorporated into the power networks, cancel large -scale ammeter and beincorporated into the power