Classification of Solar Inverters

 What is a solar inverter?

A solar inverter is a converter that converts the direct current (DC) generated by a solar panel into alternating current (AC) and feeds it into the national alternating current grid. After the solar battery, the inverter is the most important device in the solar system.

Solar inverter in China

There are 3 types of inverters in a solar power system:

Grid tie inverter: This type is for the most common grid tie system on the market.

Off-grid inverter: This type is for stand-alone systems that do not need grid power

Grid-tied and storage inverter- hybrid inverter: Type for systems that need storage and grid connection

Also See: Inverter for Solar - Transformer Power Converter

Classification

String solar inverter

Also known as central inverter. All solar cells will focus on one solar inverter.

Advantages:

Easy system maintenance Cheaper

Defect:

Vulnerable to performance impact if one of the panels is damaged

Micro solar inverter.

Micro inverter is used for each solar panel

Advantages:

High performance, the system is not affected by the performance of the damaged battery Easily monitor and maintain exactly which battery is losing performance

Defect:

More expensive than string inverters Difficult to maintain because mico inverters are usually located right on the roof

Optimal form of solar power inverter DC

Each solar cell will be equipped with a DC optimizer before focusing on a string inverter that converts DC to AC. Ensure the highest performance for the system.

Advantages:

Lower cost than Micro . inverter Easily monitor and maintain exactly which battery is losing performance

Defect:

High price

Difficult to maintain because mico inverters are usually located right on the roof

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5 important factors when choosing a solar inverter

Choosing an energy inverter often considers many factors and depends on the needs and capabilities of the customer. Vietcotek hopes to provide customers with guidance to choose the right power inverters for their needs based on the following criteria:

1️⃣ Quality & Reliability: learn about brand, origin, quality,…

2️⃣ Service & support: find out the warranty policy, warranty period, service support of the manufacturer and the installation unit

3️⃣ Features: for grid-tied applications, stand-alone, stand-alone with grid interaction, compare standards and specifications.

4️⃣ System function Monitoring: basic system needs, or with many modern utilities and features

5️⃣ Selling price: balance and choose a price based on demand and interest criteria.