2019-01-23

Why is the inverter starting voltage higher than the minimum voltage?

  There is a strange parameter in the photovoltaic grid-connected inverter, the inverter input starting voltage is about 30V higher than the minimum working voltage, such […]
2019-01-21

Why Should The Grid-Connected Inverter Stop Working When Power Grid Blackout?

Some people install a photovoltaic system, they will hold a mentality of “even if the power grid is out of power, their home can use the […]
2019-01-18

The main advantages of microgrid systems compared to pure off-grid systems

❶ The application scope is wider, the off-grid system can only be used away from the large power grid, and the micro-grid system includes all applications […]
2019-01-16

310-200kW Medium and Large System

Photovoltaic and off-grid energy storage systems with powers above 10 kW and below 200 KW are recommended if industrial and commercial projects where photovoltaics cannot be […]
2019-01-14

What is the 10kW-21kW medium and small off-grid system

Small and medium-sized off-grid systems, the main users are relatively rich areas of power shortage, such as some herders, island residents, medium-sized fishing boats, relatively remote […]
2019-01-11

What is small off-grid system below 11kW

The main users of small off-grid system are poor and non-electrical areas, such as remote mountainous areas, some poor countries in Africa, it is mainly to solve the […]
2019-01-09

Inverter Waveform:Modified Wave and Sine Wave

The waveforms of the inverter are mainly divided into two categories, one is a sine wave inverter and the other is a modified wave inverter. The modified wave inverter […]
2019-01-07

PWM controller and MPPT controller

According to the charging method, the solar controller has two kinds of PWM and MPPT. The PWM controller has only one switch between the component and […]