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6 Frequently Asked Questions about “Communication High Voltage Solar On-site Energy”
Are communication and control systems needed for distributed solar PV systems?
The survey results show that deployment of communication and control systems for distributed PV systems is increasing. The public awareness on the communication and control of grid-connected solar PV systems are raising. However the actual development of communication and control system for distributed solar PV systems are still in the early stage.
What communication technologies are used for distributed solar PV system integration?
Distributed solar PV systems generally are connected to HAN and NAN/FAN network, which is the so-called “last-mile” communication network. The following sections give an overview of existing and widespread communication technologies used for distributed solar PV system integration.
What are the communication & control functions used in solar projects?
The PV communication & control functions applied in the present solar projects in USA include: Active power of PV system: Required in some island systems, not yet in mainland. Voltage at grid coupling point of PV system: Required in some specific feeder conditions with relative high penetration. Curtailment/feed in management: Not yet required.
Can distributed solar PV be integrated into the future smart grid?
In the previous sections, the communication and control system architecture models to enable distributed solar PV to be integrated into the future smart grid environment were reviewed. The existing communication technologies, protocols and current practice for solar PV integration are also introduced.
How do distributed solar PV systems work?
This section focus on the existing concepts for integrating and coordinating the operations of the distributed solar PV systems. Currently, most PV systems are connected to the grid usually with a “fit and forget” principle. PV systems operate autonomously through the advanced solar inverter functions.
Do PV systems need communication & control functions?
In the USA, the expectation for communication & control functions during PV system integration is increasing as the penetration level is rising. Considering the long service life of PV systems, it is suggested that the PV systems deployed today should be communication integration-ready.