The inverter is a converter that converts DC power (battery, storage battery) into constant frequency and constant voltage or frequency modulation and voltage regulation AC power (usually 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. In most cases, the input DC voltage is usually lower, while the output AC voltage […]
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Mercedes-Benz’s goal: By 2030, the carbon emissions of each passenger car throughout its life cycle will be reduced by an average of 50% compared to 2020. It is planned that by 2030, by promoting the use of solar and wind energy in major production bases and purchasing additional energy through the “Power Purchase Agreement”, it aims
Not all photovoltaic power plants have the same power generation efficiency. How can photovoltaic power plants improve power generation efficiency? Apart from factors such as the amount of solar radiation and the inclination angle of photovoltaic cell modules, what are the influencing factors? details as following: The amount of solar radiation When the conversion efficiency of
How to improve the power generation efficiency of photovoltaic power plants? Leer más »
The grid-connected photovoltaic power generation system can convert the DC power output by the solar cell array into AC power with the same amplitude, frequency and phase as the grid voltage, and realizes the connection with the grid and transmits electricity to the grid. The flexibility of this power generation system lies in that when the sunshine
1. Requirements for large-scale UPS power supply on site and environment (1) The equipment installation site should be an “industrial type” hard cement-type horizontal floor. If an anti-static raised floor is used, it needs to be designed according to the weight of the UPS on the basis of considering the average load of the floor. Make
Installation and design requirements of large UPS power supply Leer más »
At present, different manufacturers have different technical routes for string inverters. There are unipolar and two-level inverters. The usual practice is to use a two-level electrical structure. The front stage is a boost booster, and the rear stage is a DC-AC inverter. Variable, the maximum power tracking MPPT is generally placed in the front stage.
What is the difference between MPPT input and string input? Leer más »
At present, most of the batteries of passenger pure electric vehicles have abandoned lithium iron phosphate, a cathode material, and switched to ternary lithium materials. The main reason is because of higher requirements for battery performance, that is, higher cruising range. Require. It has been more than two hundred years since the development of chemical batteries, and
The car battery is an essential part of driving, without it, the car cannot start, so it is very important to ensure that the car battery is charged. How to charge the car battery is the key to car battery maintenance, so how to charge the car battery? Let us briefly introduce the charging method of
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“I think manganese has potential.” Recently, Tesla CEO Elon Musk said that Tesla has been exploring the use of more manganese materials in batteries. As a global pioneer of electric vehicles, Musk’s words and deeds will attract great attention from the market, and may also become a new direction for the development of automotive batteries. In
Does Tesla President Elon Musk want to use manganese? Leer más »
In the fierce global power battery production capacity chase, South Korean battery giant LG Energy Solution is still making efforts in North America: on the one hand, the joint venture power battery enterprise established by the company and auto giant Stellantis in Canada will officially land; On the one hand, it is preparing to invest heavily in the
LG North America invests $1.5 billion to build a new power battery company Leer más »
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