Solar inverter for grid connection
The Protect PV solar inverter product line for South Korea delivers solutions for utility-scale applications on industrial roofs and ground mount installations. Thin-film modules can be used efficiently as the Protect PV has a power stack with advanced measuring and control technology enabling input voltages of up to 1000 VDC.
With its Protect PV series, AEG Power Solutions offers professional solutions for utility-scale solar installations or even for installation on large roofs.
Designed for use in South Korea, the PV.510/710/910 have received the KERI certification and are compliant with the national grid regulations. The inverters are also available as a turnkey container solution, equipped with two inverters, transformer and switchgear.
The technical highlight of the new inverter is its power stack PV core, designed in-house with a special control system, enabling an input DC voltage of up to 1,000 V and providing the high efficiency levels due to its optimized pulse pattern. This enables the efficient use of thin-film modules and cost-efficient overall equipment planning. The total concept is flexible and adjustable to many requirements and is applicable for almost all grid codes worldwide.
With an efficiency factor of 98.9% the Protect PV.910 well exceeds expectations for its power class. With an appropriate transformer, it can also be adapted to the medium voltage grid (e.g. 10, 20 kV).
The AEG PS solution entitled “active earthing” provides for a safer application of module technologies that require electrical grounding for operation. Another option called “copain mode” is available in which two units operate as a highly efficient team (master/slave functionality).
Maximum Power Point Tracking is designed to meet the latest requirements for quick responses to dynamic weather conditions such as spontaneous cloud cover on a clear day, and reliable day/night detection (active/passive).
Monitoring and power plant integration is based on Modbus Protocol and advanced CAN BUS communication as well as via optic fiber and ethernet between the containers. This allows for cost-effective, safe and reliable remote monitoring and control of the PV plant. The monitoring and control system can be integrated into an overriding power station control technology.
Because of the open structure, future requirements of the grid operators can also be taken into account. This communication structure enables the operator to carry out continuous monitoring, failure analysis, reporting and performance statistics. Remote monitoring and remote access are available via GSM, DSL and WebPortal, for example, and programmable alarm functions via email/SMS settings.
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