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Question & Answer
Q&A on flexible solar modules lpvisola
What is the Hoymiles T-junction set with AC cable?
The Hoymiles T-Node Set with a 3-meter AC cable is a specialized connecting element for integrating Hoymiles HMT microinverters into grid-tied photovoltaic systems. It enables the safe and standard-compliant transmission of the alternating current generated by the inverter to the household grid or public power grid.
What is the function of the T-node with AC cable?
The T-node serves as the central interface between the microinverter and the main AC line. The pre-assembled 3 m long connection cable reliably conducts the alternating current and feeds it into the power grid via a suitable plug connection. The plug is individually mounted at the open cable end, depending on the planned installation concept (e.g., feed-in via Wieland or Schuko plug).
Is it necessary to use a T-node per HMT inverter?
Yes, a separate T-junction with an AC cable is required for each individual Hoymiles HMT microinverter. This is the only way to ensure a proper connection between the microinverter and the main AC line. The use of multiple T-junctions is essential, especially when connecting multiple inverters in series.
Who is allowed to connect to the power grid?
The electrical connection of the AC cable to the power grid may only be performed by a qualified electrician. This ensures compliance with applicable VDE guidelines and is required by law to ensure the safety of the system and the installation.
What additional accessories are required for a complete Hoymiles HMT system?
A complete microinverter system based on the HMT series requires, in addition to the T-node with AC cable, additional system components to ensure the installation complies with standards and is permanently reliable:
End cap – For secure closure of the open connection string
Unlocking aid – For the safe disassembly of plug connections
Separation aid (optional) – Facilitates the separation of already assembled components
Connection cap (optional) – For protective covering of open connection points
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