When it comes to inverter setup for home, here are two popular options—micro inverters and string inverters—how to select inverter for home?
This article aims to detail the distinctions, advantages, and applicability of each of these inverter types to Indian households. After reading this, you will be well-equipped to select your inverter according to your requirements at home.
What Are Micro Inverters and String Inverters?
Micro Inverters
Micro inverters are small devices installed on or near individual solar panels. Each of the solar panels works with its own dedicated micro inverter, giving it a once-in-a-while opportunity to work independently from the rest of the system.
Here are the benefits of micro inverters:
- Better Performance in Shaded Areas
If a single panel is either shaded or not functioning properly, it will not impact the performance of the other panels, as each panel operates independently.
- Enhanced Monitoring
Micro inverters enable panel-level monitoring. Homeowners can monitor the performance of each of their solar panels, which facilitates problem identification and resolution.
- Greater Efficiency
Because each panel operates independently, micro inverters maximize energy harvest, especially in areas with partial shading or irregular sun exposure.
String Inverters
String inverters connect multiple solar panels in a series (or “string”) to a centralized inverter. The inverter then converts the DC electricity from all the panels into AC for household use.
Key benefits include:
- Lower Upfront Cost
With a simpler design and fewer components, string inverters are more cost-effective upfront compared to micro inverters.
- Easier Installation
String inverters are relatively straightforward to install, ideal for system setups on larger, uniform rooftops.
Key Differences Between Micro and String Inverters
Understanding the distinctions between the two types of inverters can help you make a better decision. Here’s how they compare:
1. Performance in Shading
Micro inverters: Perform better in shaded conditions as they allow each panel to work independently.
String inverters: Performance drops if one panel in the string is shaded or underperforming, as the system operates at the level of the weakest panel.
2. Efficiency
Micro inverters: Offer higher overall efficiency by optimizing each panel individually.
String inverters: Are efficient but heavily reliant on uniform sun exposure across all panels.
3. System Maintenance
Micro inverters: Easier to troubleshoot as the issue can be isolated to a single panel.
String inverters: If one inverter fails, the entire system is affected, meaning more downtime.
4. Cost
Micro inverters: Higher initial investment due to their advanced technology and the need for multiple devices.
String inverters: More affordable upfront, making them a budget-friendly option for larger installations.
5. Scalability
Micro inverters: Allow for greater flexibility in system expansion since each panel operates independently.
String inverters: Expanding the system may require investing in additional inverters, increasing complexity and cost.
Which Inverter is Better for Indian Homes?
Micro inverters have relatively higher up-front costs. However, in the long run, savings in energy consumption and performance during trying conditions will usually outweigh investments.
For specific installation purposes in a house with large roof space, string inverters serve well due to simplicity in design and low cost. The downside of string inverters is that when there is partial shading or a fault in one of the panels, this could be detrimental to long-term performance.
Why Choose Sungrow for Your Home Solar System?
Sungrow is a leader in clean energy solutions and offers a range of high-quality inverters perfectly suited for residential setups in India. Here’s why Sungrow stands out:
High Efficiency: Sungrow inverters achieve industry-leading efficiency rates, ensuring maximum power output for your home.
Smart Management: With online monitoring and advanced features, Sungrow systems keep you in control of your solar energy production.
Reliable and Durable: Built with cutting-edge technology, Sungrow inverters are designed for long-term reliability in diverse weather conditions.
Flexible Options: From 2kW to 30kW systems, Sungrow caters to all residential needs with flexible and scalable solutions.
Conclusion
In deciding whether to install micro inverters or string inverters in your home solar system, consider your roof layout, shading, and budget. String inverters are cheaper for homes with simple setups while micro inverters are superior for performance and flexibility.
When it comes to Indian homes, diverse conditions in sunlight and designs of roofs would require different options for different houses. Nevertheless, whatever the type you have chosen, it is better to choose a branded name like Sungrow for better efficiency, reliability and peace of mind.
Take the first step towards renewable energy today by exploring Sungrow’s range of solar solutions for your home！
