SENERYTEC Services – Part 2
Question 6: Can Sunengjie inverters be connected to thin film modules?
At present, the more commonly used thin film components are divided into two categories:
amorphous (Amorphous) and copper indium gallium selenide (CIGS). These two components have
different structures and different processing methods.
Amorphous: Since the structure is different from crystalline (single crystal, polycrystalline)
components, when used with a non-isolated (Transformerless) inverter, in order to prevent TCO
corrosion, it must be added between the AC output terminal of the inverter and the mains A low-
frequency transformer is isolated and grounded at the PV+ or PV- terminal. There are also
amorphous components (such as FIRST SOLAR) that do not require a low-frequency transformer on
the market. Please contact the component supplier.
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CIGS: Since CIGS does not have TCO corrosion problems, or is less serious, most of the components
currently on the market are connected without problems. However, for the sake of caution, please
confirm with the component supplier again whether the transformerless inverter can be connected
Question 7: Are there any special restrictions on the inverter installation environment? What should be
paid attention to?
Shengnengjie inverters are made of one-piece aluminum alloy. The advantages of this design are
solidity and durability. Especially in harsh environments, it can give full play to its advantages. The
external baking paint uses special paint, which has higher weather resistance than general
products. So there are almost no restrictions on the installation environment. Whether it is high
humidity, the beach, the chicken (pig) house, the farm, or the outdoors, it can