What is Solar PCU with MPPT5KVA Solar PCU with lithium Battery Solar Systems with and without Battery: A Comprehensive Guide Solar systems can be broadly categorized into two types: those with batteries and those without. The solar without-battery solution is called a grid-feed solar solution, and with a battery, there are two types of systems: […]
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اختيار العاكس المناسب لمنزلك: دليل خطوة بخطوة Choosing the Right Inverter for Your Home: A Step-by-Step Guide An inverter is a crucial investment for homes in areas prone to frequent power outages. It provides a reliable backup power source, ensuring uninterrupted operation of essential appliances. Gone are the days when technology was nascent, and people […]
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What is Solar PCU with MPPT5KVA Solar PCU with lithium Battery Solar Systems with and without Battery: A Comprehensive Guide Solar systems can be broadly categorized into two types: those with batteries and those without. The solar without-battery solution is called a grid-feed solar solution, and with a battery, there are two types of systems: […]
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اختيار العاكس المناسب لمنزلك: دليل خطوة بخطوة Choosing the Right Inverter for Your Home: A Step-by-Step Guide An inverter is a crucial investment for homes in areas prone to frequent power outages. It provides a reliable backup power source, ensuring uninterrupted operation of essential appliances. Gone are the days when technology was nascent, and people […]
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Solar Systems with and without Battery: A Comprehensive Guide
Solar systems can be broadly categorized into two types: those with batteries and those without. The solar without-battery solution is called a grid-feed solar solution, and with a battery, there are two types of systems: solar PCU and solar hybrid system.
The terms “solar hybrid system” and “solar PCU system” are often used interchangeably, but their definitions differ slightly.
Solar Hybrid System
Broad Definition: The solar Hybrid system can feed solar energy to the Grid and work as an independent power source in case of power outages. Generally, it refers to a system that combines solar power generation with a battery as a source in case of power failure. This is the most cost-effective solution where there are power deficit areas, and the power goes out for a small interval. Solar Systems with and without Battery: A Comprehensive Guide
Key Components:
Solar panels
Hybrid solar inverter with grid feed and solar PCU built-in one.
Battery bank
Functionality: When the grid is available, the system can operate as a Solar Grid feed system and charge the battery attached to it. Once the power outage happens, the battery system will be operational as a regular Inverter battery system.
Solar PCU System
Specific Definition: PCU stands for “Power Control Unit.” This term typically refers to a system that manages the power flow from solar panels to the load (your appliances or devices).
Key Components:
Solar panels
Inverter
Charge controller
Battery bank
Functionality: The PCU ensures that the power from the solar panels is used efficiently and safely, and it may also include features for managing battery charging and discharging. The grid power is bypassed when the grid is available, and the battery is charged through the solar panels. The system automatically shifts to solar and battery mode once the battery is completely charged through the solar panels. There is a setting where the battery can be charged through the grid and solar panels, called grid and solar charge sharing.
Solar PCU system diagram
Key Differences
Scope: While a solar hybrid system can include a PCU, the term “solar hybrid system” is broader and encompasses integrating multiple energy sources. A solar PCU system is more focused on managing power flow from solar panels.
Generator Integration: A solar hybrid system often includes a generator for backup power, while a solar PCU system may or may not have this component.
Control Features: Solar PCU systems typically have advanced control features for managing power flow and battery charging, while a solar hybrid system may have a more fundamental level of control.
Solar hybrid inverter
Solar Systems Without Batteries
How they work: These systems convert sunlight into electricity using solar panels. This electricity is then sent directly to the grid for immediate use.
Benefits:
Lower upfront cost: These are typically less expensive and easy to maintain as no battery bank is installed with them. However, if power outages happen, this system stops functioning, and solar panels are useless at that particular time.
Simpler maintenance: Only solar panels need cleaning and maintenance.
Drawbacks:
No backup power: If there’s a power outage, you’ll be without electricity.
Dependent on the grid: Solar panels rely on the grid for power generation. If the grid power stops, solar generation also stops.
Low Voltage and High Voltage shutdown: In case of a particular voltage that is well defined in solar grid feed, Inverters will shut down the system if the voltage range is below the set limit or higher than the set limit. Rural areas face this particular problem as the voltage from the grid is very low at times, so these systems become non-functional, and there is no power generation through the solar panels. In the Industrial areas, the grid voltage increases at night, and the solar system becomes non-functional at times as the system has a limited voltage range under which it performs. Most of the time, when grid-fed solar systems are non-functional, the user cannot find this problem as the monitoring application comes with 15 or 30-minute update data that cannot register these events.
Solar Systems with Batteries
How they work: These systems convert sunlight into electricity but store excess energy in batteries for later use.
So there are two types of Solar Storage Solutions
1. Solar Hybrid PCU System
2. Hybrid Solar System
Benefits of Solar Hybrid System
Backup power: Provides electricity during power outages.
Energy independence: If one installs a good-sized battery bank, the user can be self-reliant in case of power cuts or when solar power is not available.
Potential for grid feed-in: The Hybrid Inverter can decide and can be set to store how much solar power to store and how much to feed into the grid, depending on the situation. It can also sell excess electricity back to the grid.
Drawbacks:
Higher upfront cost: Batteries can significantly increase the initial investment.
Maintenance: If lead acid batteries are installed, regular maintenance is required as the life of the batteries is also limited. But if one installs Lithium LifePo4 baterries which has the longer life and no mainteance required at all and the power savings are enough to justify the cost of power stored. Where as the Lead Acid batteries are not able to give the value for money because of the maintenace and the shorten life span.
Key Points for Customers:
Purpose: A system without batteries might suffice if your primary goal is to reduce your electricity bill. However, a system with batteries is essential if you need backup power during outages.
Grid Dependence: Understand that systems without batteries depend on the grid for power generation and consumption. If the grid experiences issues, your system will be affected.
Storage Capacity: If you choose a system with batteries, consider your energy needs and the frequency of power outages. Ensure the battery capacity is sufficient for your requirements.
Questions to Ask Before Installation:
System type: Ask if the vendor recommends a system with or without batteries and why.
Backup time: If you opt for a battery system, inquire about the estimated backup time during a power outage.
Grid feed-inverter: Understand the rules and regulations regarding grid feed-in in your area.
Maintenance: Ask about the frequency and cost of maintenance for solar panels and batteries.
Inverters: Inquire about the type and efficiency of the inverters used in the system.
Explaining Grid Feed-in and Solar Storage Solutions:
Grid feed-inverter: Explain that when your solar system generates more electricity than you need, it can send the excess back to the grid for credit. This credit can be used to offset your electricity bill.
Solar storage: Emphasize that batteries store excess energy for later use, providing backup power during outages. This can be especially valuable in areas with frequent power interruptions or off-grid locations.
Models for Solar PCU: Solar PCU 2.5KVA, Solar PCU 5KVA and Solar PCU 10KVA models come in different variations and the monitoring apps are different for each model.
The price of Solar inverter 2KW and Price of Solar inverter 3 KW will depend on its features and parameters.
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Choosing the Right Inverter for Your Home: A Step-by-Step Guide
An inverter is a crucial investment for homes in areas prone to frequent power outages. It provides a reliable backup power source, ensuring uninterrupted operation of essential appliances. Gone are the days when technology was nascent, and people were looking for brands and local dealers for their knowledge. India has come a long way in technology, and the best part is the Lithium battery-based Inverter/UPS, which will take over from the inverter Battery Tubular-lead-based market. Here are the key factors to consider when selecting an inverter for your home:
Power Rating (VA or Watts):
How to Determine your load: Calculate the total power consumption of the appliances you want to run on the inverter. The VA rating is a considerable confusion in the Indian market as one should look for the real Wattage of the Inverter as the VA is a confusion in the market BIS has made it compulsory to write the watt of an Inverter/UPS. Because of the confusion created by the companies by giving model names in VA or just plain models with simple 1100,1200 or 15o0 does not clarify the consumer about the actual wattage of the Inverter/UPS. As all the appliances have a rating written on them, one can consider 10% more than that rating when you calculate the total load of the home.
Identify appliances: List all the devices you intend to run on the inverter.
Check wattage: Look for the wattage rating on the label or specifications of each appliance.
Calculate total wattage: Add up the wattage of all appliances.
Add a buffer: Consider a 10% buffer for potential fluctuations or future additions.
Choose an inverter with a wattage rating equal to or greater than your calculated load.
Tread mill having 1500-Watt consumption
Sticker on the Treadmill showing power consumption
So, 9 Amp multiplied by 220V =1980-Watt consumption of the Treadmill
This has 220V and takes 4A as current so will be 880-Watt consumption
The Power Consumption sticker showing power consumption
This machine use 220V and 16/10Amp current so will take 2200 Watt to 3520Watt so It’s easy to calculate the load by multiplying the voltage multiply by current drawn.
Waveform Type:
Pure Sine Wave: As far as Inverter/UPS is concerned the only acceptable waveform is Pure Sinewave and one should not even look at Inverter which has any other waveform then Pure Sinewave as that is required to run our LED lights, Fans, TVs, Fridge, microwave Ovens, washing machines, Mixer grinder etc. Waveform explanation video
Pure Sinewave waveform
Battery Compatibility:
Check compatibility: Ensure the inverter is compatible with Lithium Battery based or one should buy Lithium Battery as a backup as the Lithium battery is wall mountable and life is proven concept. The pollution created by the Tubular Lead Acid battery
Battery backup time: The inverter’s capacity and while buying check the C rating of the battery as the tubular battery comes in C20 capacity and Lithium battery comes in C1 capacity which makes the hell of a difference. backup time calculations chart
Look for high efficiency: There need to be specifications check where the efficiency will be different for Charger and Inverter section. Higher the efficiency of the Inverter/UPS lower will be the electricity bill, and you will get more backup time on the same battery.
Digital Warranty: This is the feature which helps you to maintain the Inverter without any bill or dependence on dealer distributor for the future warranty claims. As the Digital warranty can be seen by the consumer any time on the mobile application or through the computer having the dedicated software. digital warranty video
Switching Time: transfer time of the Inverter/UPS is very important to check as it can run computers TVs etc. without any breakup time.
Switching time shown on the CRO
BIS Certification: For India one has to buy the BIS certified Inverter/UPS or having international safety standard like CE or UL certification.
Technology Patent: One should see before buying the Inverter/UPS whether the company has any Technology Patent and if it has the technology Patent then you have the peace of mind.
Choosing the Right Inverter for Your Home: A Step-by-Step Guide
Choosing the Right Inverter for Your Home: A Step-by-Step Guide
Safety Features:
Overload protection: This is an important feature of any Inverter to shut down the Inverter with warning and should have one more chance by buzzer and lights indication where the consumer can reduce the load, and it’s automatically keep working and in case of Excessive load it shuts down the Inverter/UPS and can be reset through the mobile application or through the front switch of the Inverter/UPS
Short circuit protection: This feature helps the consumer to protect the appliances connected with the Inverter/UPS as this shut down the Inverter with buzzer indication and one can see on the mobile application and can reset through the mobile application after removing the short circuit or reducing the load connected with the Inverter/UPS.
Battery High Protection: This is a very important feature as in case of two batteries connected with a single battery Inverter/UPS will give indication and shut down the Inverter as it can be dangerous for the internal circuitry of an Inverter to run on higher voltages. As some time electricians try to connect the battery in series to increase the backup time which can be very damaging for the Inverter internal circuitry. So this feature operates and shut down the Inverter immediately and gives the beep and indication one can see on the mobile application.
Choosing the Right Inverter for Your Home: A Step-by-Step Guide
Brand:
Choose a reputable brand: Choose the brand which has the experience in the industry and has created technological innovations
Why Opt for Su-vastika Power Storage Benefits?
At Su-vastika, our priority is ensuring a dependable power supply at home, especially amidst outages. We have engineered cutting-edge power storage systems utilizing lithium-ion batteries to outshine outdated diesel generators.
Experience an animated transition with an engaging heading that captures attention.
Continuous Power Supply
Durable Lithium-Ion Battery Systems
Eco-Friendly Energy Choice
Su-vastika has different models with different battery capacity.
This article is written by Mr. kunwwer Sachdev founder Su-kam known as Inverter Man of India
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5KVA Solar PCU with lithium Battery
Solar hybrid inverter
Switching time shown on the CRO
Su-vastika
