Inverter control circuit and power device collocation
Control circuit of the inverter The main circuit of the inverter needs to have a control circuit to achieve, generally there are two control methods of square wave and sine […]
For the comparison of several power conversion circuits
The power conversion circuit of the inverter generally includes a push-pull inverter circuit, a full-bridge inverter circuit and a high-frequency boost inverter circuit. The main circuits are shown in Figures […]
Inverter classification and circuit structure
There are many principles for the classification of inverters. For example, according to the number of phases of the inverter output AC voltage, it can be divided into single-phase inverters […]
Inverter function and technical requirements
1. Function of the inverter Inverters are an important application aspect of power electronics technology. Power electronics technology is a comprehensive technology in which various technologies such as electricity, electronics, […]
Pulse Width Modulation (PWM) three-stage charge controlle
The cost of solar cells is very high, accounting for more than 60% of the total cost of solar street lamps. Improving the utilization rate and charging efficiency of solar […]
Parallel and series charge and discharge controllers
Parallel type charge and discharge controller The basic circuit principle of the parallel type (also called bypass type) charge and discharge controller is shown in Figure 1. The switching device T1 […]
Classification of photovoltaic controllers
Photovoltaic charge and discharge controllers can be basically divided into six types: parallel type, series type, pulse width modulation (PWM) type, multi-channel controller, intelligent type and maximum power tracking type. […]
Basic principle of battery over-discharge protection
The following takes lead-acid battery as an example to introduce the over-discharge protection principle of the controller. 1. Discharge characteristics of lead-acid batteries The discharge characteristics of lead-acid batteries are […]
Basic principles of battery charge control
At present, the lead-acid battery is still the most used in the photovoltaic power generation system. Therefore, only the lead-acid battery is used as an example to introduce the basic […]
Wireless network management technology related to solar road lighting
Since solar street lights are not connected to the power grid, it is difficult to switch the lights [...]
Characteristics and scope of application of solar photovoltaic lighting devices
The characteristics of the solar photovoltaic lighting device are that it does not need a power grid[...]
How to choose the electric light source in solar photovoltaic lighting
Among electric light sources, the most ideal light source for solar photovoltaic lighting in the future should be LED.
