Centralized inversion voltage transformation photovoltaic power generation monitoring complete device

The utility model discloses a centralized inversion voltage transformation photovoltaic power generation monitoring complete device. The device comprises a photovoltaic assembly string combiner detection apparatus (1), an inverter control apparatus (2), a transformer measurement and control apparatus (3) and a centralized monitoring apparatus (4); the centralized monitoring apparatus (4) is connected with the photovoltaic assembly string combiner detection apparatus (1), the inverter control apparatus (2) and the transformer measurement and control apparatus (3); the photovoltaic assembly string combiner detection apparatus (1) is disposed in a DC combiner box; the inverter control apparatus (2) is disposed in a centralized photovoltaic grid-connected inverter; the transformer measurement and control device (3) is disposed in an isolation transformer; and the centralized monitoring device (4) is disposed in the inverter or the isolation transformer. Dispersed detection, centralized communication and comprehensive management of a centralized inversion voltage transformation photovoltaic power generation system are achieved, and efficiency and automation level of the photovoltaic power generation system are improved, thereby facilitating installation, debugging, operation and maintenance.