Harnessing Solar Power for Modular Kitchens at Sasthan / Ashram: A Case Study of EnerTech’s 150KVA Solar Hybrid Inverter Installation at Rajasthan

Sasthan/Ashram, known for its serene environment and devotion to sustainable living, faced significant challenges in powering its modular kitchen. The kitchen, a crucial part of the ashram’s operations, required a consistent and reliable power supply to prepare meals for residents and visitors. However, the ashram struggled with several pain points related to its power supply.

Before Installation: The Power Supply Challenges

1. Inconsistent Power Supply: Frequent power outages disrupted the kitchen's operations, leading to delays and inefficiencies.
2. Heavy Dependence on Diesel Generators (DG): To combat power outages, the ashram relied heavily on diesel generators. This dependence had several drawbacks:

a. High Operational Costs: The cost of diesel fuel was a significant financial burden on the ashram’s budget.

b. Maintenance Issues: Regular maintenance of diesel generators added to the operational complexities and expenses.

c. Environmental Impact: The use of diesel generators contributed to air pollution and greenhouse gas emissions, conflicting with the ashram’s commitment to sustainability.

3. Soaring Electricity Bills: The high energy consumption of the kitchen, combined with the inefficiency of diesel generators, resulted in exorbitant electricity bills.

These issues highlighted the need for a more reliable, cost-effective, and environmentally friendly power solution.

The Solar Solution: EnerTech’s 150KVA 480V 3P Solar Hybrid Inverter.

In response to these challenges, EnerTech proposed the installation of a 150KVA 480V 3P solar hybrid inverter. This advanced system was designed to seamlessly integrate solar power with the existing electrical infrastructure, providing a sustainable solution to the ashram’s power needs. The system's key components and features included:

• Load Capacity: The inverter supported a load of up to 120KW, adequately covering the kitchen's power requirements.
• Battery Backup: A 100KW load could be sustained for 10 hours using a robust battery setup consisting of 2V 2000Ah batteries. This ensured uninterrupted power supply even during non-sunny periods or grid failures.

• Solar Panels: The installation included connecting panels with a total capacity of 220KW, featuring 330W polycrystalline modules. These panels efficiently harnessed solar energy, significantly reducing reliance on the grid and diesel generators.

Understanding the Working of EnerTech's Solar Hybrid Inverter.

EnerTech’s solar hybrid inverter is a sophisticated piece of technology designed to optimize energy usage by integrating solar power, grid electricity, and battery storage. Here's a detailed look at how it operates:

• Daytime Operation:

1. Solar Generation: During the day, the solar panels generate DC electricity from sunlight.

2. Conversion to AC: The solar hybrid inverter converts the DC electricity to AC electricity.

3. Power Supply to Load: The converted AC electricity is used to power the ashram’s modular kitchen and other connected loads.

4. Battery Charging: Any surplus electricity generated by the solar panels that is not immediately used is directed to charge the battery bank.

5. Grid Export: If the batteries are fully charged and there is still excess electricity, it can be exported to the grid, possibly earning credit through net metering.

• Evening and Night Operation:

1. Battery Discharge: When the sun is not shining, the inverter switches to using the stored energy in the battery bank to power the loads.

2. Grid Support: If the battery charge depletes and cannot meet the load demand, the inverter seamlessly switches to draw power from the grid to ensure a continuous power supply.

• During Power Outages:

Uninterrupted Power Supply: In the event of a grid power outage, the inverter automatically switches to the battery backup, ensuring that there is no interruption in the power supply to the modular kitchen.

Post-Installation: Transformative Outcomes

The installation of the solar hybrid inverter brought about transformative outcomes for Sasthan/Ashram:

1. Reliable Power Supply: The modular kitchen experienced a marked improvement in power reliability. The integration of solar energy with battery backup ensured continuous operations, even during power outages.
2. Reduced Diesel Generator Usage: The reliance on diesel generators decreased drastically. The solar system provided sufficient power, reducing the frequency and duration of generator use. This led to several benefits:
3. Cost Savings: Significant savings on diesel fuel and generator maintenance costs.
4. Environmental Benefits: A substantial reduction in carbon emissions, aligning with the ashram’s environmental values.
5. Lower Electricity Bills: The switch to solar power resulted in a dramatic decrease in electricity bills. The ashram could now produce a significant portion of its energy on-site, reducing the need for grid electricity.
6. Operational Efficiency: With a stable and reliable power supply, the kitchen’s operations became more efficient. The ashram could now prepare meals on time without the disruptions caused by power outages or generator failures.

The Mileage: Quantifying the Benefits

The benefits of the solar hybrid inverter installation can be quantified in various ways:

• Cost Efficiency: The initial investment in the solar system was offset by the long-term savings on diesel fuel, maintenance, and electricity bills. The ashram witnessed a return on investment within a few years.
• Environmental Impact: The reduction in diesel consumption and the increased use of clean solar energy significantly lowered the ashram’s carbon footprint. This move towards sustainability served as a model for other institutions aiming to reduce their environmental impact.
• Energy Independence: The ashram achieved a greater degree of energy independence, reducing its vulnerability to external power supply issues and price fluctuations in diesel fuel.

Conclusion

The installation of EnerTech’s 150KVA 480V 3P solar hybrid inverter at Sasthan / Ashram’s modular kitchen exemplifies the profound impact of adopting renewable energy solutions. By addressing the pain points of power supply inconsistency, high operational costs, and environmental concerns, the ashram has transformed its energy landscape. The project not only underscores the financial and operational benefits of solar power but also reaffirms the ashram’s commitment to sustainability and environmental stewardship. As more institutions follow suit, the transition to renewable energy will continue to gather momentum, paving the way for a cleaner and more sustainable future.

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