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On-Grid Inverter

Company advantages

Quality Control

Our products have obtained multiple certifications. We regard quality as the life of the enterprise, and comprehensive control of the industrial chain ensures product quality.

Long Warranty

We assure 12 years limited warranty on materials and workmanship, 10 years limited warranty for 90% linear power output, 25 years limited warranty for 80% linear power output warranty.

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We focus on photovoltaic system design, research and development, production and provide customers with high-quality photovoltaic installation, commissioning.

 

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We provide high-quality services that meet the highest industry standards. We follow best practices in our work processes and adhere to strict quality control measures to ensure that we deliver the best results to our clients.

What is On-Grid Inverter

 

 

A grid-tie inverter (GTI for short) also called on-grid inverter, which is a special inverter. In addition to converting direct current into alternating current, the output alternating current can be synchronized with the frequency and phase of the mains. Can go back to mains. Grid-tied inverters are commonly used in applications where some DC voltage sources (such as solar panels or small wind turbines) are connected to the grid.Of course, the premise of operating alone is that the solar array can provide enough power at the time. If the load is too large or the sunshine conditions are poor, the inverter cannot output enough power, and the terminal voltage of the solar cell array will drop, thereby reducing the output AC voltage and entering a low-voltage protection state. When the power grid is restored, it will automatically switch to the feedback state.

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On-grid inverters are essential components of grid-tied solar systems, efficiently converting DC electricity from solar panels into AC power for immediate use or export to the grid. They ensure seamless integration with the utility grid, optimizing energy production and enabling net metering for potential cost savings.

Benefits of On-Grid Inverter

 

Slash Your Electric Bills
An on-grid solar inverter helps cut your electric costs big time. It turns sunlight into electricity for your house. If your solar panels make more power than you need, the extra power goes back to the grid. This can lower your bill or even earn you money, thanks to net metering.

 

Eco-Friendly Choice
Using an on-grid inverter is a thumbs-up for Mother Earth. It lets you use clean energy instead of relying on fossil fuels. This means you're helping to reduce harmful emissions and doing your bit to fight climate change.

 

Dependable Energy Source
Solar power is reliable. The sun shows up every day without fail. Your on-grid inverter ensures that you get a steady supply of power to your home. It's a dependable way to keep your lights on and gadgets running.

 

Low Maintenance Costs
On-grid solar inverters are pretty low-maintenance. Once installed, they don't need much care. Just a check-up now and then to make sure everything's working right. This saves you time and hassle.

 

Increases Home Value
Homes with solar power systems, including an on-grid inverter, can see a bump in property value. People like the idea of saving on bills and helping the environment. So, if you ever sell your home, this could be a big plus.

 

Supports the Local Grid
When your system sends extra power to the local grid, it helps your community. It can reduce the load on the grid during peak times. This support can even prevent blackouts in your area when everybody needs power the most.

 

Eligible for Government Incentives
Many governments encourage solar power. They offer tax breaks or incentives to homes that install solar systems. This can make setting up an on-grid solar inverter even more cost-effective.

What are the Applications of On-Grid Inverter
 

Outdoor

In outdoor activities, lighting, fans, tablets, and mobile phones are mainly used to power digital electronic products. The solar inverter adopts a portable design, with small size, light weight, high performance, practicality, and durability.

Household appliances

Usually, the DC current is directly converted into AC current and then used to power devices. The electrical appliances that can be used include desk lamps, fans, computers, rice cookers, TVs, refrigerators, washing machines, air conditioners, soybean milk makers, electric kettles, ovens, projectors, hair dryers, and induction cookers for the vast majority of household appliances.

Agricultural

Irrigation is a particularly important work in the agricultural industry, especially in arid areas where water sources are limited, but the intensity and time of sunlight in other dry climates are high. Therefore, the application of solar power generation systems can efficiently carry out breeding yard work. By using the role of solar photovoltaic panels to absorb the radiation of light, and using an inverter to directly provide electricity to agricultural equipment, the operation of the breeding yard is no longer limited by distance, terrain, and power, greatly reducing the operating costs of agriculture. It is an ideal green new technology energy that integrates economy, reliability, and environmental benefits.

Power generation field

Solar power generation can be installed in a portable manner and does not occupy too much soil resources. It has the characteristics of saving cost input, safe and reliable power generation, and effectively reducing energy input costs such as communication base stations, monitoring systems, and reducing carbon emissions, thereby lowering the minimum energy cost input and reducing the impact on the environment.

 
 
Types of On-Grid Inverter
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String Inverters

These solar inverters are directly connected to the grid. They are the most widely used category of solar inverter for both domestic and commercial purposes. String inverters usually do not come with a battery backup. That being said, you do not need a battery in an on-grid solar system: the grid does the job.

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Micro-Inverters

The Micro inverters are relatively smaller in size but costlier than the string inverters. This category of inverters usually comes with a capacity range of 200-350 W.Installed individually on the back of each solar panel, the micro-inverters are ideal for places where there is a disparity in the amount of sunlight received by an individual solar panel.

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Applications of On-Grid Solar Inverter

The on-grid inverter is a cost-effective and sustainable energy conversion option. Therefore, it is suitable for domestic and commercial use.However, different types of on-grid inverters are suitable for particular applications.Solar inverters like the string inverter and micro inverters are best used for domestic applications. Meanwhile, high-capacity central inverters are best suited for industrial applications.Also, when somebody says, hybrid solar inverters, they actually mean an on-grid inverter that's connected to a battery bank.

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Price of On-Grid Solar Inverter in India

The price of an on-grid inverter varies according to its capacity, the manufacturer, the technology used to build the inverter, and a lot more. However, on-grid inverters are generally cost-efficient as they have a very long life. Some manufacturers also offer warranties as high as 10 or 15 years. The good ones require less servicing and are very economical in the longer run.

 

 

Components of On-Grid Inverter
 

Cable and Wiring
Grid Tied Solar System ComponentsTo transfer generated power from solar panels to the inverter and then to the utility grid, proper wiring required. Conducting material and insulation are two factors differentiating wire types. Here is a list of factors to be considered for wires for usage in solar power systems.

 

Combiner Box
Grid Tied Solar System ComponentsThis component brings the output from several solar strings together. Each string conductor is connected to a fuse terminal. The output of fused inputs is then combined onto a single conductor connecting the combiner box to the inverter. A solar combiner box also consolidates incoming power into one main feed that further distributes it to a solar inverter. Both overcurrent and overvoltage protection is provided to the inverter further enhancing its reliability and protection.

 

Racks and Mounts
To hold solar panels in one place, racks and mounts are required. After all, you cannot just leave your solar panels on a bare roof. It is necessary to place them on racks or mounts as this enables proper ventilation and inclination of panels. Sun changes its position throughout the day and flat-lying solar panels cannot get enough sunlight during different hours of the day. Inclination or orientation of panels with mounts and racking enables setting them up at a certain angle for maximum sunlight exposure.

 

Net Meter (Power Meter)
Grid Tied Solar System ComponentsThis device is the basic necessity in the list of grid-tied solar system components. It calculates the input and output of power to and from the utility grid. It is similar to electric meters already installed at houses, but net meters measure the import and export of power. Whereas electric meters are just for measuring the unit of electricity supplied and used from the grid.

 

Solar Panels
These are the main components of any solar panel system. There are 3 types of solar panel system available in the market, namely monocrystalline, polycrystalline, and thin-film (amorphous) solar panels. The first two are mostly solar panels used in residential, commercial, and industrial rooftop solar systems. Typically, a 6-kW solar system will require 15 solar panels, but this number may increase or decrease depending on their efficiency and type. This is because mono panels are more efficient than poly panels.

 

Utility Grid
This is the device to which the local or government electricity supply mainline is connected and then supplied to the house. It is a complex power generation, distribution, and transmission network. Energy production and delivery are managed by grid operators. Inverters are connected to this utility grid for transferring power generated by solar panels. After this, let's learn about grid tied solar system working or grid-connected PV system working.

Fuctions of on-grid inverter

Automatic Operation And Stop Function
After sunrise in the morning, the solar radiation intensity gradually increases, and the output of the solar cell also increases. When the output power required by the on-grid inverter is reached, the inverter starts to run automatically. After entering into operation, the inverter will monitor the output of the solar cell module all the time. As long as the output power of the solar cell module is greater than the output power required for the inverter to work, the inverter will continue to run; it will stop at sunset, even if it is cloudy and rainy.

 

Maximum Power Tracking Control Function
The output of a solar cell module varies with the intensity of solar radiation and the temperature of the solar cell module itself (chip temperature). In addition, since the solar cell module has the characteristic that the voltage decreases with the increase of the current, there is an optimum operating point where the maximum power can be obtained. The intensity of solar radiation is changing, and obviously the optimal working point is also changing. Relative to these changes, the operating point of the solar cell module is always at the maximum power point, and the system always obtains the maximum power output from the solar cell module.

 

Power Grid Detection And Grid Connection Function
Before the grid-tie inverter is connected to the grid for power generation, it needs to take power from the grid, detect the parameters such as voltage, frequency, phase sequence, etc. of the grid power transmission, and then adjust the parameters of its own power generation to be synchronized with the grid electrical parameters. It will be connected to the grid to generate electricity.

 

Zero (low) Voltage Ride Through Function
When an accident or disturbance in the power system causes a voltage sag at the grid-connected point of the photovoltaic power station, within a certain voltage drop range and time interval, the photovoltaic power station can ensure continuous operation without being disconnected from the grid.

 

Detection And Control Of Islanding Effect
During normal power generation, the on-grid power generation system is connected to the large power grid and transmits active power to the grid. However, when the grid loses power, the grid-tie power generation system may continue to work and operate independently from the local load. This phenomenon is called the islanding effect. When the islanding effect of the inverter occurs, it will cause great safety hazards to personal safety, power grid operation, and the inverter itself. Therefore, the grid connection standard of the inverter stipulates that the grid-tie inverter must have the detection and control function of the islanding effect.

How to Choose On-Grid Inverter
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Choose Your System
Do you want the independence of an off-grid system or prefer to have the security of an on-grid system? If the power grid in your area is unreliable, a hybrid inverter may be better suited to your needs. The hybrid inverters available on can automatically switch between off-grid and on-grid modes to achieve the best energy outcomes. If you plan to have several modules that experience different levels of shading, micro inverters may be the best option to maximize power output.

 

Compare the Efficiencies
Conversion efficiency determines how much current is lost when DC is turned into AC. Small inefficiencies can add up over time to cost you a fair sum in electricity loss. Thus, you should aim for an efficiency of 96% or higher. The maximum efficiency of an inverter could be as high as 98.6% in some on-grid models with MPPT efficiency of up to 99.5%. MPPT stands for maximum power point tracking and it is the process of optimizing the match between system components to maximize energy extraction.

 

Check Key Parameters
Many features determine how well your solar inverter works. Some of these critical parameters are rated output voltage, output power, and overload capacity. The single-phase voltage level for most countries is between 220V and 240V. However, in the US, the standard voltage level is 120V for most everyday electronics and 240V for appliances such as washing machines and ovens. Your output voltage should be in the safe operating range for your electronics.

 

Look for Quality Construction
Since solar inverters are often installed outdoors, invest in models made of quality materials that can withstand the elements. For instance, the micro inverters on are designed to be waterproof. They avoid deterioration by preventing rainwater from pooling on the inverter surface. Your inverter should also feature an efficient cooling system to prevent overheating due to continued operation or strong sunlight. Look for units with a good working temperature and humidity range.

 

Consider Additional Features
Solar inverters can come with additional features or accessories that add value to your solar energy system. For example, certain hybrid inverters have built-in timers that can switch your inverters on during the day and off during the night. Inverters can come with digital LCD panels that display detailed operational information or be fitted with Wi-Fi data collector devices that enable you to monitor and track your energy data.

How to Maintain On-Grid Inverter

 

 

Keep The Inverter Cool
As your inverter changes electricity from DC to AC, it naturally gets hot. To ensure the inverter gets proper airflow, it's recommended you keep at least twelve inches of open space around your equipment.If your inverter has a fan, make sure nothing blocks it or could get sucked up into it. If your fan stops working, the inverter could overheat and lose efficiency.Lastly, make sure nothing flammable sits near your inverter, as that object could catch on fire if the equipment gets too hot.

 

Keep The Air Intake Filter Clean
Depending on the location of your inverter, the air intake filter can get dirty over time. If the filter accumulates too much dust and debris, it won't be able to cool as well, which affects the inverter's efficiency.If the filter does get dirty, we recommend that you call a professional to clean the filter instead of doing it yourself, as you may need to take apart some of the equipment.

 

Check for Error Codes
While you don't need to check your inverter daily, you should check it periodically to make sure everything's working as expected. This includes looking on the inverter screen for any error codes, or a different light than normal. If anything seems amiss, call a professional to assess the situation.

 

Use Solar Monitoring Technology
If the manufacturer of your solar power system provides you with technology like a smartphone app to monitor the system, you should use it. This solar tech can provide regular updates about the status of your solar panels and inverter, and give you prompt access to customer service and technicians if needed.Keep in mind, however, that all technology can occasionally have issues, so it's still good to regularly check the inverter in person for any signs of trouble.

 
Our factory

 

D.T. MULTI TECH Co., Ltd. is a leading player in the Chinese solar industry, based in Xiamen, Fujian. Specializing in comprehensive photovoltaic solutions, our diverse product range includes inverters, solar panels, energy storage batteries, and mounting structures.Collaborating with renowned brands like Growatt, Kingdom, Trina Solar, and others, our diverse product line includes various energy storage solutions, such as wall-mounted, integrated, and containerized options.With a state-of-the-art manufacturing center boasting an annual capacity of 10GW, we are a high-tech enterprise committed to research and development, production, and global distribution in the field of photovoltaic new energy.

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FAQ
 

Q: What is an on-grid inverter?

A: An on-grid inverter converts solar power DC which is constantly varying and feed it into the mains power supply. It synchronises its output voltage and frequency to the mains power supply it is connected to. As the power of the solar increases, so does the output but it can do this at leisure.

Q: What is the difference between on-grid and off-grid inverter?

A: Being grid-tied is beneficial because you don't have to buy an expensive battery back-up system to store any excess energy. Being off-grid means you are not connected in any way to your grid's power system or utility company. This is appealing because you are 100% self-sustaining your energy use.On-grid solar systems are battery-less and therefore not able to function or generate electricity during a blackout, due to safety reasons.

Q: Can on-grid inverter work without battery?

A: Yes, if you are connected to an electrical grid, you can use solar panels and inverters without battery storage. However, it's important to note that grid-tied solar systems are usually shutoff during power outages to prevent the backflow of electricity from harming utility workers.

Q: Which is better hybrid or off-grid inverter?

A: Off-grid inverters cannot synchronise with the utility grid. These are designed to work alone. An off-grid inverter cannot feed power derived from solar or battery into the utility grid. On the other hand, the hybrid inverter can feedback on the power to the utility grid.

Q: How many batteries do I need for a 2000 watt inverter?

A: Total 850 A H battery is needed. whose discharge rate will be 5 Hour rated. You can install 4 nos 200 AH battery for this inverter if it is fully loaded to 2000 watt. Discharge rate of the battery must be 5 Hour rated or battery is inverter duty grade.

Q: Which is better on grid or off-grid?

A: Off-grid systems allow for complete freedom from the utility, but they're often more expensive. Grid-tied systems marry significant electricity savings with grid-backed dependence, so you'll never have to worry about not having the electricity needed to power your house or business.

Q: Which is better on grid off-grid or hybrid?

A: Hybrid systems are better in terms of reliability while on-grid solar systems are a plus for people on a budget. You can select which solar system would be better for you— as per your needs, after going through this comprehensive explanation of both systems.

Q: What happens when the grid goes down with solar panels?

A: Since a grid-tied solar system must turn off (by National Electric Code) when the grid goes down, installing rooftop solar panels doesn't guarantee that you will have power during a grid outage. However, if you combine your solar system with battery storage you can tap into stored solar power during a power failure.

Q: Can solar panels damage the grid?

A: The incorporation of solar energy into the electrical grid might cause the system to become unstable, resulting in power interruptions, outages, and equipment damage.Inverters will draw power from your batteries when not in use, and the unit is turned on. This can vary from around . 02 amps right up to 2amps depending on the unit and design of their standby systems.

Q: What happens to grid tied inverter when grid power is off?

A: However, there is a downside to grid-tied systems. Because they are connected to the electric grid, they're required to shut off when the grid goes down - even though they can still, technically, produce electricity. While this may be frustrating, it's for a good reason.

Q: Do inverters pull power when not in use?

A: Does the inverter consume power when it is turned off? Yes, the battery inverter still consumes some power when turned off. This is because the pure sine wave inverter needs to keep some circuits and electronic components on standby so that it can start up quickly when needed.

Q: How long will a 100 amp hour battery run a 2000 watt inverter?

A: Calculate Inverter Run Time on 12 Volt Battery.Therefore, using a 12 volt, 100 Ah battery, a 2000 watt inverter will run for approximately 36 minutes. Based on the calculation above, we can conclude that a 2000 watt inverter will run for approximately 36 minutes on a 12 volt battery.

Q: How long can a 200Ah battery run a 1500w inverter?

A: How long can I run a 1500 Watt inverter? It depends on your battery capacity or power supply, the higher the battery capacity, the longer the run time. If you are using a 12V 200Ah battery, then it can run for 16 hours.

Q: Do I need a generator if I have solar?

A: Unfortunately, that's not the case. Solar panels don't provide backup power on their own, and when the grid goes down, all grid-tied solar systems are automatically shut off. To maintain power during an outage, you'll need to install solar battery storage or a backup generator with your solar system

Q: How many solar panels does it take to run a house off the grid?

A: If your energy requirements were as such as the average mentioned above (7 Kw) and you were to use 200-watt solar panels, then you'd need more or less 35 panels to take your home off-grid. Or if you used 350-watt solar panels, you'd need 20 panels.

Q: How can I use solar panels directly without a battery?

A: Connect the solar panels: Connect the solar panels to the inverter. The inverter will convert the DC power generated by the panels into AC power that can be used to power your home or business. Use the power generated: You can use the power generated by the solar panels immediately.

Q: What happens if my solar panels produce more electricity than I use?

A: Say you've installed a solar panel system and you live in an area with a net metering program. When your photovoltaic system produces more electricity than you're using at any point during the day, the electricity is sent back to the grid, running your electric meter in reverse.

Q: What is the main problem of solar panel?

A: Solar panel connection issues are often caused by faulty wiring. The most common problem is a loose connection between the wires and the terminals on either the solar panels or the inverter. This can be due to corrosion, damage, or simply a poor connection.

Q: Will my solar panels work in a blackout?

A: Solar panels will not be able to provide your home or business with electricity during a power outage. There are, however, two exceptions to this: your system is equipped with energy storage, or you forgo the benefits of grid-tied solar and opt for an off-grid system.

Q: How long can you leave a power inverter on?

A: The length of time you can run a power inverter on your battery depends on a few factors, including the capacity of the battery and the power draw of the inverter. In general, a fully charged 12-volt car battery can run a 100-watt power inverter for about 10 hours.The best course of action is to charge the battery to 100% before putting it in storage if the battery is a “sealed kind” that you cannot open or drain. You will need to recharge it to 100% every 5 to 6 months while it is in storage.

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