shenzhenbuyit

shenzhenbuyit

What is the difference between a low frequency inverter and a high frequency one? Which is better for solar system uses?

The primary differences between low-frequency inverters and high-frequency inverters lie in their design, efficiency, size, and application suitability, particularly in solar systems. Here’s a breakdown: Low-Frequency Inverters High-Frequency Inverters Which is Better for Solar Systems? Conclusion For most solar system…

100个逆变器行业常用术语(中英对照)100 Common Terms in the Inverter Industry (Chinese and English)

逆变器类型String Inverter组串式逆变器连接一个或多个光伏组串的光伏逆变器,功率范围通常在3kW~150kWMicroinverter微型逆变器连接单个或多个光伏组件的小型光伏逆变器,功率范围通常在0.5~3kWMLPE (Module-Level Power Electronics)组件级电力电子设备包括功率优化器和微型逆变器在内的组件级电力管理设备Central Inverter集中式逆变器用于大型光伏电站的大功率逆变器,可接入组串数量更多,功率范围通常在250kW~1000kWOn-grid Inverter并网逆变器能够将光伏电能反馈到电网的光伏逆变器Off-grid Inverter离网逆变器独立于电网运行的逆变器系统,通常与电池储能系统配合使用Hybrid Inverter混合逆变器能够同时管理光伏输入和电池储能的逆变器 Bi-directional Inverter双向逆变器 能够实现交直流双向转换的逆变器,常用于储能系统,可以充电和放电,混合逆变器的另一种说法Transformerless Inverter无变压器逆变器/高频逆变器不使用工频变压器的逆变器,效率较高,也称为高频逆变器(high- frequency inverter),这一参数常见于逆变器拓扑(Inverter Topology)Utility- frequency Inverter工频逆变器使用工频变压器的逆变器,稳定性较好,但效率不及高频逆变器,目前主要在一些稳定性要求比较高的场景下应用(精密仪器) 逆变器功能和特性MPPT (Maximum Power Point Tracking)最大功率点跟踪光伏逆变器的最关键功能之一,使光伏系统输出最大化 Anti-islanding Protection防孤岛保护当电网断电时,自动停止向电网输出电力的安全功能LVRT (Low Voltage Ride Through)低电压穿越能力逆变器在电网电压短时下降时保持并网的能力 HVRT (High Voltage Ride Through)高电压穿越能力 逆变器在电网电压短时升高时保持并网的能力 FRT (Fault Ride Through)故障穿越能力电力设备在电网故障期间保持运行的能力FFR (Fast…

Solar Panels/What is a photovoltaic stand?

What is a photovoltaic stand?Photovoltaic bracket is a metal structural bracket designed in the solar power generation system to set up, installation, and fixed solar panels. The photovoltaic bracket carries the main body of the photovoltaic power station. As the…

Energy Storage丨What is a fuel cell?

What is a fuel cell? A fuel cell is a device that converts chemical energy into electrical energy. It is an environmentally friendly, efficient and reliable energy solution. For example, a hydrogen fuel cell generates electricity by reacting hydrogen and…