RSS

Blog Posts of '2022 June'

How to Improve Efficiency of Solar Panels?
The efficiency of a solar panel is the conversion of the solar panel's ability to convert solar radiation into usable electricity. It is the most commonly used criterion by consumers when evaluating the quality of solar panels. Taking two PV modules as an example, under the same sunlight for the same amount of time, the more efficient one produces more energy than the other.
Micro Inverter Price List
A solar micro inverter is a plug-and-play device used in photovoltaics, which converts direct current (DC) generated by a single solar module to alternating current (AC). Micro inverters contrast with conventional string and central solar inverters, in which a single inverter is connected to multiple solar panels. The output from several micro inverters can be combined and often fed to the electrical grid. Micro inverters can achieve maximum power point tracking (MPPT) at the panel level, which has advantages over central inverters. In this way, the output power of each module can be optimized to maximize the overall output power.
How Does Wind Turbine Generate Electricity?
A wind turbine is a device that converts the kinetic energy of wind into electrical energy. Hundreds of thousands of large turbines, in installations known as wind farms, now generate over 650 gigawatts of power, with 60 GW added each year. They are an increasingly important source of intermittent renewable energy, and are used in many countries to lower energy costs and reduce reliance on fossil fuels.
Working Principle of Hybrid Solar Inverter
Hybrid solar inverters combine solar energy with another energy source. It operates as a unit. For example, solar inverters can combine solar energy with energy from batteries. When solar energy is combined with wind energy, greener hybrid solar inverters can be obtained.
Is the Car Inverter Safe?
Car inverters can also connect household appliances to the output of the power converter, enabling these devices to be used in the car. Such as mobile phones, laptops, cameras, shavers, power tools, etc. can be charged anytime, anywhere, very convenient. But some people are worried, will this kind of equipment be unsafe? Let us answer the following questions for you, whether the car inverter is safe or not, and what problems should be paid attention to when using it?
Failure Analysis of Solar Inverter
Low insulation resistance Unplug all the strings on the input side of the solar inverter, and then connect them one by one. Use the function of the solar inverter to start up to detect the insulation resistance to detect the faulty strings. After finding the faulty strings, check whether the DC connectors are flooded with short-circuit brackets. Or burn the short-circuit bracket, and also check whether the component itself has black spots on the edge to burn, causing the component to leak to the ground grid through the frame.
Does the Car Inverter Damage the Car?
As people spend more and more time in the car, the requirements for automotive electrical appliances also increase. Therefore, the ordinary 12V power supply is basically unable to meet the demand. At this time, the 12V DC on the vehicle can be converted into 220V AC through the car inverter, so that the car power inverter can play a greater role. But is it really safe to use a car inverter?
How Does Wind Turbine Work Better Behind Hills?
Engineers have gone to great lengths to make wind turbines as exposed as possible, placing their blades on high towers on hilltops or in desolate, unprotected seas miles from shore. A new study presents an interesting curveball that could open up new avenues for renewable energy generation, demonstrating that turbines placed behind hills can actually produce more energy than those in open areas.
How does a Solar Photovoltaic System Work?
Solar photovoltaic systems are mainly divided into off-grid photovoltaic power generation systems and grid-connected photovoltaic power generation systems. The off-grid photovoltaic power generation system is mainly composed of solar cell components, controllers, and batteries. To supply power to the AC load, an AC inverter needs to be configured. The grid-connected photovoltaic power generation system is that the direct current generated by the solar module is converted into the alternating current that meets the requirements of the mains grid through the grid-connected inverter, and then directly connected to the public grid.
Precautions for Using Car Inverter
As a DC-to-AC converter used in mobile, the car power inverter will bring a lot of convenience to our life. And it is a standing vehicle electronic equipment. Today, we will briefly introduce the precautions that should be paid attention to when using the car inverter. Use the car inverter strictly in accordance with the user manual. In normal use, the input fuse of the car inverter is burned out, it is best not to replace it yourself. 99% of car inverter input fuse blows are due to input MOSFET breakdown. If you replace the fuse and continue to use it, it is easy to burn the fuse on the car. The correct way is to contact the dealer or the after-sales service of the manufacturer.
Heat Dissipation Methods of Solar Inverter
The solar power inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current from the photovoltaic modules into alternating current that meets the requirements of the grid. As a power electronic device, inverters, like all electronic products, face challenges brought about by temperature. In all electronic product failure cases, up to 55% of them are caused by temperature. The electronic components inside the inverter are also very sensitive to temperature.
Why You Need a Pure Sine Wave Inverter?
The output waveform of the pure sine wave inverter is good, the distortion is very low, and its output waveform is basically the same as the AC waveform of the mains grid. Pure sine wave inverter has little interference with radio, communication equipment and precision equipment, low noise, strong load adaptability, can meet the application of all AC loads, and the whole machine has high efficiency.
Difference between String Inverter and Micro Inverter
As the core equipment of the photovoltaic power generation system, the inverter is used to convert the variable DC voltage generated by the photovoltaic modules into the alternating current of the mains frequency, which is one of the important system balances in the photovoltaic array system. At present, the common inverters on the market are mainly string inverters and micro inverters. Now, let us compare and analyze between them.
What does a Car Inverter do?
With the development of the economy, the era of one car per person has arrived. After having a car, a trip that says go away is no longer the slogan of a few people, but the choice of more people. In this era where everything can be "mobile". Office, communication and entertainment can all be carried out in a mobile state. Especially when you want to use your home appliances outdoors, you need a magic box. Then car inverter appears. With it, you can a lot thing outside just like at home. Rice cookers, hair dryers, computers, and small refrigerators can all be used.
What are the Components of a Solar Power System?
The solar power generation system consists of solar panels, solar controllers, and batteries. If the output power is AC 220V or 110V, an inverter is also required. Here's what each part does. The solar panel is the core part of the solar power generation system, and it is also the most valuable part of the solar power generation system. Its function is to convert the radiant energy of the sun into electrical energy, or send it to the battery for storage, or drive the load to work. The quality and cost of the solar panel will directly determine the quality and cost of the entire system.
Main Technical Indicators should be considered When Selecting Solar Inverters
In the photovoltaic system, the electric energy generated by the solar cell is first stored in the battery, and then converted into 220V or 380V alternating current through the inverter. However, the battery is affected by its own charge and discharge, and its output voltage varies widely. For example, for a nominal 12V battery, its voltage value can vary between 10.8 and 14.4V (exceeding this range may cause damage to the battery).
What is a Grid Tie Inverter?
The grid tied inverter is generally used in the system of large-scale photovoltaic power stations. Many parallel photovoltaic strings are connected to the DC input end of the same centralized inverter. Generally, 3 phase IGBT power modules with high power are used, and the power is relatively high. Small uses field effect transistors, while using a DSP conversion controller to improve the quality of the power produced, making it very close to a sine wave current.
On Grid Inverter vs. Micro Inverter
Solar inverter is the core power conditioning device of photovoltaic system, which accounts for 10-15% of system cost, and has high technical content. Solar inverter converts the direct current generated by solar cells into alternating current energy that can be directly integrated into the grid and load through power electronic conversion technology. However, what is the difference between a grid tied inverter and a micro inverter?
Can A Portable Solar Generator Power Refrigerator?
A modern, self-contained refrigerator requires 35-100W of power per hour to operate, while a 15-cubic-foot refrigerator requires 300-400W of solar power. The size, capacity and temperature of any refrigerator will affect its power consumption. The good thing about solar generators is that they come in different sizes and have a variety of power output options.
Solar Inverter Troubleshooting
Solar inverter is the brain of the photovoltaic power generation system. In the process of photovoltaic power generation, the power generated by the photovoltaic array is DC power, but many loads require AC power. The DC power supply system has great limitations— it is inconvenient to convert voltage, and the load application range is also limited. Except for special electricity loads, inverters are required to convert DC power into AC power. The solar inverter is the heart of the photovoltaic power generation system, which converts the direct current generated by the photovoltaic modules into alternating current, and transmits it to the local load or grid. It is a power electronic device with protection functions.