Utility scale solar inverters need improved commissioning and upkeep
Recurring power grid faults are testing solar inverter reactions, and have exposed issues that could seemingly be solved by improvements to commissioning, operations, and maintenance.
Solar inverter fault detection techniques at a glance
New research has categorized all existing fault detection and localization strategies for grid-connected PV inverters. The overview also provides a classification of various component failure modes and their potential causes in a tabular form.
SMA unveils new inverter for residential, commercial PV
SMA is offering a new line of four inverters with power ratings of 12kW, 15kW, 20kW and 25kW, for use in rooftop PV systems up to 135kW in size. It claims the inverters provide grid-compliant power control of entire systems and enable over-dimensioning of PV arrays by up to 150%.
Enphase to produce micro-inverters in Romania
US energy specialist Enphase will produce micro-inverters at a Flextronics factory in Timisoara, Romania, from the first quarter of 2023.
Growatt unveils new inverter for residential applications
The new device has an efficiency of up to 98.6% and a European efficiency of up to 98.1%. It features up to two maximum power point tracking (MPPT) inputs, with MPPT voltage ranging from 140-1,000V.
Delta launches new solar inverter series for residential, commercial PV
The new solar inverter series can achieve maximum efficiency of 98.7% and a European efficiency rating of 98.5%. Its rated power ranges from 15 to 20kW.
LuxpowerTek launches multi-string DC-DC converter
The Chinese electronics specialist has unveiled the first DC/DC converter in its product offering, dubbed the DC-coupled LSP 100K. The device features an efficiency of 97.9% and a European efficiency of 97.5%.
Enphase Energy acquires SolarLeadFactory, a solar sales generation specialist
This is Enphase Energy’s fourth recent acquisition, which enhances Enphase Energy’s planned digital platform for installers.
Sungrow ramps up Indian solar inverter factory to 10GW
The Chinese solar inverter manufacturer, which established its factory in India in 2018, has expanded the India fab capacity to 10GW/annum to serve different customer segments, including residential, commercial, industrial and utility-scale — both locally and globally.
Cybersecurity for distributed energy, inverter-based resources
UL and the US National Renewable Energy Laboratory have released a report on cybersecurity certification recommendations and are actively developing new requirements to create cybersecurity certification standards.
