Huawei unveiled its Luna 2000 energy storage system, a household battery, at the Smart Energy Conference in Sydney last week. Modular batteries represent the entry of Chinese companies into the storage of Australian rooftop solar booms. In this segment, electricity export prices plummeted due to increased government subsidies and the penetration of sunlight. Increasing influence of virtual power plants (VPP) Opens a new source of income for battery owners.
Huawei Australia’s solar business product managers Simon Wang and Haider Khan Photovoltaic Magazine Australia An overview of the features of the battery system and where they see it as fitting to the Australian landscape. This battery, which sells for less than $ 10,000 on a 10 kWh system, has already been approved. South Australia Home Battery Scheme Subsidy.
Huawei is also working with Discover Energy to try out the Luna 2000 on a virtual power plant platform, Kahn said. The platform basically aggregates home batteries via software, allowing them to enter the profitable power spot market.
Luna 2000 basics
Storage systems consisting of 5 kWh modules can be stacked directly on top of each other to create a 15 kWh system. Three other modules (up to 15 kWh) can be combined in parallel and placed side by side to expand the battery system to a total capacity of 30 kWh. The maximum output per module is 2.5kW.
Batteries can be combined with both single-phase and three-phase residential inverters. Huawei wants retailers to facilitate both system installation and sales.
The battery can be wall mounted or placed on the ground outdoors and is both waterproof and dustproof.
Each battery module weighs about 50 kg, and each power module that comes with the stack weighs 12 kg. In other words, the 5kWh system weighs about 62kg, and the 15kWh system weighs up to 162kg. Sounds a lot, but the Luna 2000 has the same sophisticated design as the popular Tesla Powerwall, giving the system a lightweight look.
on the other hand Huawei is primarily targeted at the residential PV segment, and the expandability of batteries up to 30 kWh means that the Luna2000 system can also be used for small commercial applications.
The 5 kWh modules are built to add to each other, but each works independently and Proprietary battery management system (BMS).Similarly, each module It is covered by its own 10 year warranty.
Battery modules charge and discharge independently of each other thanks to the energy optimizer. That is, the impact of poorly performing cells is limited to the affected modules.
Another selling point of batteries is the depth of discharge. It can discharge 100%, unlike most lithium-based chemicals.
Given the growing number of reports of DC isolators igniting rooftop solar systems, Huawei’s main focus when entering the Australian landscape is safety.
To that end, the company has added three layers of protection to each battery module. This includes AI-powered internal short-circuit detection, temperature sensors to detect overheating, and built-in current and voltage sensors. Each module also has a fire extinguishing bag.
All of these safety mechanisms are backed up by an artificial intelligence (AI) -powered battery management system (BMS).
To that end, Kahn states that the chemistry of the battery, which adds phosphate to a traditional lithium-iron mixture, helps stabilize the system.
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Huawei Enters Australian Residential Battery Market with Modular Luna2000 –pv Magazine Australia
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