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Integrated System of Production, Monitoring and Management of Photovoltaic(PV) Power Station

  The Integrated System of Production, Monitoring and Management of Photovoltaic(PV) Power Station achieves the function of collecting real-time data during the power generation process, monitoring the status of key equipment such as grid-connected inverter and combining manifolds, helping with breakdown maintenance by locating the faulty area timely and accurately, improving the efficiency of power station by analyzing complicated indicators in mixed areas such as energy resource, energy consumption and equipment operation. In general, by programming the operation process, the system can help improve the degree of automation in PV power station and help increase the operating efficiency and decrease the manpower demand of the power station.

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PV Power Optimizer

  Photovoltaic power optimizer is the key part in photovoltaic power generation optimization system. It can calculate the optima output power of each PV module and implement maximum power point tracking (MPPT) on each PV module individually. It has functions of communication, data collection, and maximum energy conversion. It can be used in grid-connected PV power stations of different scales.

Product Features

    Maximum power point tracking(MPPT) on every module to increase power output by 5-25%;
 Voltage, current, power and temperature monitoring on every PV module;
 Capability to turn off the PV module if needed to help improve security of the station;
 Life span of 25 years, in line with the lifetime of every PV module;
 Wireless communication capabilities, intelligent networking with data collector, flexible installation;
 Capability to work with remote data management platform;
 Capability to be installed on existing PV power stations;
 Compatibility for power stations of different scales.

 PV power optimizer was installed in a 1MW power station in Kangkang, Xinjiang in October 2015. The power output of the station was increased by more than 10% with the help of the optimizer.

On-Site Implementation

In February 2016, PV optimizer was installed in a 25KW PV power station in Leping, Guangdong Province. Because of the vulnerability of the rooftop PV power station to building shadows and bird droppings and the variation in components, the MPPT processed by the existing inverter could not meet the demand for full power output. Moreover, the lack of real-time data added to the difficulty of breakdown maintenance for engineers, which caused electricity leakage and low operation efficiency. The installation of PV power optimizer system has improved the power output of the station by 16.1% on average and therefore helped improve the efficiency of the station and enhance the management level.

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