Photovoltaic grid-connected control device and method with phase selection grid-connected and power regulation functions

The invention belongs to the field of distributed photovoltaic grid-connected control, and relates to a photovoltaic grid-connected control device with phase selection grid-connected and power regulation functions, which comprises a shell, and an operation parameter acquisition module, a data processing and control module, a phase selection grid-connected execution module, a communication module, a display screen module and a power management module which are arranged in the shell. According to the invention, the obtained operation parameters are high in precision and are not influenced by human factors, so that the accuracy of grid connection is greatly improved; and the test precision is ensured, the test requirement of multi-phase automatic switching is met, and the applicability is good. 本发明属于分布式光伏并网控制领域，涉及一种具有选相并网及功率调节功能的光伏并网控制装置，包括壳体及安装在壳体内的运行参数采集模块、数据处理与控制模块、选相并网执行模块、通信模块、显示屏模块及电源管理模块。本发明获取运行参数精度高，不受人为因素的影响，从而大幅度提高了并网的准确性；还保证了测试的精度，满足了多相自动切换的测试要求，具有较好的适用性。