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The Inverters

To make the most of your solar panels, purchase a hybrid inverter so later you can combine it with a battery energy storage system. A hybrid inverter connects your solar panels to your battery energy storage system.

There are a variety of inverters to choose from for the new low voltage and high voltage battery storage products from LG Chem. These include the SMA AC couple High Voltage, GoodweES-series, Fronius Symo Hybrid, Delta Solarcity Exclusive, Redback SH4600, Ingeteam Ingecon Sunstorage, Victron Energy, SolarEdge SE, HD Wave, Selectronic SP PRO and ABB Inverter.

Inverters

String Inverter (Grid Tie and Hybrid), Micro Inverter, Dc Optimizer. 

Cutting through the noise.

Solar panels will only give the output of your lowest producing panel on the roof. 

The only way to combat this (for instance shaded panels) or (old panel next to new) is to install a micro inverters or DC optimizer into your design to isolate the effected panels.

I have an existing solar system and want to add to it.

The solar has been on the roof for 5 years possibly longer but the new solar is different.

What happens next?

The new solar panels will produce greater power per panel than the old panels on the roof.

Depending on how many panels you want to add will determine want you do. What makes economic sense?

If adding 1 kW of panels don’t panic, with a DC -Optimizers (inverters) which sit under the panel, this will sort the problems for you. At $60-$70 for each panel you can see where this is heading? It’s going to add about $250.00 to the build.

Or, ignore the potential power discrepancy (new panels only offering the same output as the existing panels sitting with the existing system) and live with that.

Everything has a cost.

String Inverter

String inverter are clearly the most popular choice of inverter. The inverter is located on the wall of the home and controls all the power coming from the solar panels on the roof. This is what is typically seen with a conventional solar system. Both grid tie and hybrid string inverters are more efficient than a micro inverter design and the least costly for installation and set up.

Micro Inverter

Solar systems will only produce power output levels of the lowest producing panel in your system. So if one panel is only producing half what it should, then all panels will only deliver half the power from the system. Micro Inverters are used for specific tasks, for instance where solar panels are effected by shade where a solar panel is affected by different sun penetration across the installation. This also occurs when a solar installation covers a roof where panels are laid at different angles to the sun. The power is controlled on the roof. Micro inverters are small inverters which sit under each individual panel.

DC Optimizers

DC optimisers work in conjunction with the string inverter to tackle shade and differing sun penetration issues at the point of the problem and sort it out and thereby allowing the string inverter to act as if the solar were not affected. Also DC optimizers are more in sync with battery ready (hybrid) solutions.

All in one battery inverter combination

All in One battery and inverter systems are in there infancy. Combination battery inverter units are generally bulky and heavy, require fans for cooling and are not compatable with existing battery systems. The game changer will be a LG Chem-SMA All in One battery inverter combination which delivers both a compact and rating for indoor and outdoor installation.

SMA, SOLAX & SUNGROW,GOODWE, REDBACK:  PRICES START FROM $2050.00.

MORE SUN FOR THE HOME

Sunny Boy Storage is compatable with the LG Chem RESU high Voltage Batteries. Much of the SBS2.5 stock in Australia was manufactured prior to the completion of the compatabitity. These units will need a firmware upgrade during installation and commissioning before it will work correctly with the High Voltage range.

The upgrade process can be done using and Andrroid smartphone while commissioning.

 Resources required:

http://bit.ly/2iqpPJU  

Instruction about Update firmware using an Android Smartphone and Wifi

http://bit.ly/2hrM4NH  

STORING SOLAR ENERGY SIMPLY AND COST-EFFECTIVELY

The Sunny Boy Storage is the right solution for people who want to make their home independent from conventional electric utility companies and rising electricity costs by using intermediate storage for their solar energy. This gives you maximum flexibility both now and in the future.

A SMART COMBINATION

FLEXIBLE AND COST-EFFECTIVE SYSTEM DESIGN AROUND THE CLOCK

With the Sunny Boy Storage, customers benefit from markedly reduced system and installation costs and flexible applications. Thanks to AC coupling, the battery inverter can be installed or expanded in any location, at any time, regardless of whether or not there is already a PV system installed. The Sunny Boy Storage is a true jack-of-all-trades, one that uses high-voltage technology to make it cost-efficient and light weight. It also uses just a few components, because the most important functions for intelligent battery management are already integrated. This makes the Sunny Boy Storage the ideal choice for putting more sun in your electricity supply.

Flexible

• For new and existing systems: reduced installation costs, can be retrofitted and expanded at any time, as needed
• For almost all PV system types: string inverters, module inverters and power optimizers
• Can be combined with numerous types of energy: PV, wind energy, combined heat and power plants
• Matched with LG Chem high voltage 400V RESU7H and RESU10H lithium-ion battery storage systems

Efficient

• Most cost-effective AC-connected battery inverter on the market
• 97% efficiency allows for optimal use of cached energy
• Maximum PV yields while meeting all applicable regulations for feed-in limits
• Easy to use
• Quick and straightforward one-person installation, thanks in part to it weighing only 9 kg
• Simple installation using a smartphone or tablet via WLAN and an intuitive web interface
• Everything at your fingertips thanks to its direct connection to Sunny Portal / Sunny Places

KEEP UP WITH EVERYTHING

THE RIGHT SOLUTION, NOW AND IN THE FUTURE

Systems with the Sunny Boy Storage can be flexibly adapted to individual needs at any time. Whether the family situation changes, perhaps with the purchase of an electric car, which needs charging daily, or with a swimming pool in the garden for pleasure–with the Sunny Boy Storage, storage systems and PV systems can always be designed or expanded to suit specific requirements. The battery inverter is also versatile when it comes to the method of generating energy. From the photovoltaic system and the wind turbine system to the combined heat and power plant, anything is possible. For a secure electricity supply at any time.

SUITABLE FOR ANY INITIAL SITUATION

NEW INSTALLATION: PV SYSTEM WITH BATTERY STORAGE

Would you like to be independent from conventional power generators and rising energy costs? The Sunny Boy Storage is a great, cost-effective solution. You can install a storage system with the lowest-possible costs and just a few components. You can start storing the energy from the sun—quickly and simply.

MODERNIZE: PV SYSTEM WITH BATTERY STORAGE

Are you still feeding valuable energy into the grid with your PV system, even after the feed in-tariff has expired? Then simply use a storage system to be able to use the energy you produce yourself. You’ll benefit from reduced energy purchases and enjoy greater independence from your electric utility company. You only need three additional components: With the Sunny Boy Storage, the battery and the Energy Meter, you can turn your existing PV system into a full-fledged storage system.

EXPAND: ALIGN AN EXISTING PV STORAGE SYSTEM WITH INCREASING DEMAND

Would you like to expand your existing system to handle additional loads with solar energy? Not a problem for systems with the Sunny Boy Storage. You can expand your PV system retroactively at any time to meet your energy needs, independent from the storage system.

NOW MATCHED WITH LG CHEM HIGH VOLTAGE 400V RESU7H AND RESU10H BATTERY STORAGE SYSTEMS

Install and start saving money on your power bills today.

Until now adding a battery to an existing grid tie system was expensive. you had two choices, either replace your existing inverter or hav anhybrid inverter to go alongside youe existing inverter. The inverter from SMA is to be used alongside your existing inverter but is very inexpensive compared to a new inverter. It only weighs 9kg and is under $1000.00.

The Sunny Boy storage has a charge and discharge rating of 2500Kw in other words able to put 2500W into the battery and 2500W  out of the battery at any given moment. 

Download PDF 

RESU series - matched with SMA Sunny Island 3.0M/4.4M, SOLAX and Sungrow 5kW Hybrid inverters.

In many countries, Australia included, with the rising popularity of solar energy and its essential PV systems, the feed-in tariffs of PV power have dropped considerably. Nevertheless, the average electricity prices are still growing at a rapid rate, resulting in increasing burdens on the households.

Electricity used in peak times can place a strain on the grid network, that is why energy providers charge a relatively larger amount for its service at peak time. As such the peak time service fee tends to be higher than the cost of actual usage.

Battery storage will shave off the high demand periods of power consumption.

SUNNY BOY STORAGE 3.7 / 5.0 / 6.0 - The first multistring battery inverter - always reliably supplied

• Type: Data sheet
• Language: International
• Number: SBS37-60-DEN1751-V21
• Version: 2.1

Designed for rough ambient conditions for stand alone or grid back up operation.

Rated to give a power output of 3.0kW or 4.4kW for 30 min.

• IP54 protection to allow outdoor installation if required.
• High efficiency (>95%);
• Low standby & idle consumption (25W/4W);
• Operating temperature range of -25 to +60 deg C.
• OptiCool system ensures high power in high temperatures by cooling the encapsulated transformer but keeping air ventilation away from coated circuit boards & electronics to ensure high protection for humid or salty atmospheres.
• Includes two free programmable relays per unit to enable load shedding or other use and timers to enable daily, weekly, or monthly functions.

Inverters are used with the Sunny Island Remote Control which gives a single point of operation. One Remote Control is required per cluster of up to three inverters and includes integrated MMC/SD memory card reader to enable updates, transferring of parameter settings, for storing error/events lists, or data logging.

In single-phase systems only one SI3.0M-11 or SI4.4M-11 can be used. Three-phase systems can be achieved using a cluster of three SI3.0M-11 or SI4.4M-11 inverters, multi-cluster systems are not possible with these inverters.

For larger single-phase or multi-cluster 3-phase systems please see the Sunny Island 6.0H/8.0H below.

Match with SMA Sunny Island and Sungrow Hybrid Inverters

The SMA Sunny Island 3.0M and 4.4M

SMA Sunny Island 3.0M and 4.4M are suitable for a wide range of on-grid and off-grid applications.

The new Sunny Island 3.0M and 4.4M are the perfect product solution for stand alone (off-grid) or on grid (connected to conventional power) in a power output range up to 13kW.

Flexible

• For self-consumption systems, battery backup systems and off-grid systems
• For single- and three-phase systems from 2 to 13 kW
• All lead-acid batteries and many lithium-ion batteries can be used

Efficient

• Maximum efficiency greater than 95%
• High efficiency of overall system
• Easy commissioning and installation

Safe and reliable

• Proven safety thanks to external certification
• Long battery life thanks to intelligent battery management
• Reliable operation thanks to high overload capacity

Download product PDF

SOLAX SK-SU5000E HYBRID INVERTER 

Prepare for energy independence by using this premium quality hybrid ready inverter. This unit gives you the opportunity to monitor property loads over time and evaluate your energy usage patterns.

STORE ENERGY FOR NIGHT USAGE

INTELLIGENT POWER PRIORITY - Load = Solar > Battery > Grid

USE STORED ENERGY IN POOR WEATHER

FLEXIBLE CHARGE & DISCHARGE TIMES SETTING

EMERGENT POWER SUPPLY - Power your appliances during blackout

EXPORT CONTROL TO THE GRID - Easily set grid export based on requirement

CHARGE BATTERY FROM GRID AT OFF PEAK PERIODS

INTERNAL WIFI & REMOTE MONITORING

Multilingual: English, German, Chinese and Italian
Easy data reading with vivid charts and graphs
Daily/Weekly/Monthly report send to designated email address

Batch inverters monitoring for installers and distributors
24 hour monitoring for Windows/Android/Apple Devices

Download product PDF

SUNGROW 5kW hybrid 

The Sungrow 5kW Hybrid Inverter can be the perfect solution where a new inverter needs replacement and battery energy storage is a part of your plans for Solar Storage in the future. The SH5K Hybrid inverter can also be used as part of the zero export system and power distribution network storage system.

Download product PDF

Lg Chem RESU matched with SolarEdge's StorEdge

StorEdge™ Solution Products

SolarEdge’s StorEdge™ DC coupled storage solution allows home owners to maximize self-consumption and enables energy independence.
The StorEdge™ solution is based on the following products: 

SolarEdge Single Phase Inverter
The SolarEdge inverter manages battery and system energy, in addition to its functionality as a DC-optimized PV inverter. Existing SolarEdge single phase systems can be upgraded to StorEdge.
To add the StorEdge Solution to PV systems with a SolarEdge three phase inverter or with a non-SolarEdge single or three phase inverter; the StorEdge AC Coupled Invertermay be used.

StorEdge™ Interface

• Allows connection of the LG Chem RESU7H and RESU10H to a SolarEdge inverter
• Simple installation and connectivity of the battery and the SolarEdge Meter
• Connects to the SolarEdge inverter in parallel to the PV strings
• Designed to eliminate DC voltage and current during installation, maintenance, and firefighting

SolarEdge Meter
The SolarEdge meter is used for production and consumption readings, and is required for self-consumption management.

Compatible with the LG Chem high voltage 400V RESU7H and RESU10H battery storage systems

StorEdge™ Solution with Backup Power Products

In addition to optimizing self-consumption, StorEdge can also automatically provide backup power to pre-selected loads when the household suffers from grid interruptions. The StorEdge solution with backup power is based on the following products:

Single Phase StorEdge Inverter
The StorEdge Inverter includes the hardware required for automatically providing power to backed-up loads in case of grid interruption as well as optimizing self-consumption. It manages battery, system energy and backup power, in addition to its functionality as a DC-optimized PV inverter.

• Single inverter for PV, storage and backup power
• Maximizes self-consumption through export limit feature and time of use shifts for reduced electric bills
• Designed to eliminate high voltage and current during installation, maintenance, and firefighting
• Built-in monitoring of battery status, PV production, remaining backup power, and self-consumption data
• Remote access to inverter software and battery

SolarEdge Meter
The SolarEdge meter is used for production and consumption readings, and is required for self-consumption management. The meter is not required when StorEdge is used as a backup solution only.
Compatible with LG Chem high voltage 400V RESU7H and RESU10H battery storage systems

 SolarEdge Modbus Meter

Download PDF

http://bvim.com.au/images/installer_resources/Sungrow-Hybrid-Inverter.pdf

   Battery and matching Inverter Chart

                           Inverter                                              Battery