In an era when solar technology was barely understood in India, one visionary entrepreneur stepped up and changed the game. Under the leadership of Kunwer Sachdev affectionately known as the Inverter Man of India Su-Kam Power Systems launched one of India’s first hybrid solar PCUs in 2005, long before solar became mainstream. This post pays tribute to that innovation, backed by technical prowess and a mission to empower India with smarter energy solutions.
Kunwer Sachdev’s Vision: More Than Just Technology
This wasn’t just about an inverter. It was about democratizing power for millions of Indians. At a time when most people didn’t even understand how solar could power a home, Kunwer Sachdev made it a reality. Through relentless R&D and customer-focused innovation, Su-Kam built a legacy that lives on in every modern solar solution today.
Even after Su-Kam’s journey ended due to bankruptcy, Kunwer Sachdev did not stop. He continues to innovate at Su-vastika, and now ventures into AI with Kunwer.ai, training the next generation of tech disruptors and building future-ready power solutions.
What Made It Revolutionary?
This hybrid solar system was no ordinary inverter. It was a complete energy management solution combining:
- Solar Charge Controller
- PWM based Inverter(dsPIC based)
- Grid Charger
- Solar PCU Monitoring Software
It was a pioneering concept at a time when most households and businesses were completely dependent on unreliable grid power.
A Vision Ahead of Its Time
Imagine this: In 2005, when most Indians were just getting familiar with basic desktop usage, Su-Kam engineers were enabling users to monitor inverter parameters like voltage, current, battery status, and grid activity on a PC screen.
Nobody believed it was possible. But Kunwer Sachdev made it happen.
Users could simply install the software, connect the system to the computer, and:
- Select the communication port
- Click Connect
- Press Start Graph
And instantly, live system data began flowing in. This wasn’t just innovation; it was a disruptive shift in how India looked at and used power.
Smart Charging Flexibility
The hybrid PCU could charge the battery bank from either solar energy or the grid – depending on availability – ensuring seamless power supply. It supported intelligent switching and power management, making it a robust choice for regions facing frequent power outages.
How It Worked: Installation & Monitoring
1. Run the setup.exe from the Solar PCU Package folder.
2. Default installation path: Program Files > Solar PCU Monitoring Software Ver 1.0.0.
3. Launch the software.
4. Select the communication port via the Port Menu.
5. Click Connect — status changes to Connected.
6. Press Start Graph to begin real-time updates.
This level of monitoring in 2005 was simply unheard of — and it worked flawlessly.
“When the sun shines, let your home shine too — not just with light, but with innovation.”
– Tribute to Su-Kam and the Inverter Man of India
Further Reading
His pivot from inverters to solar is now part of the documented record of India’s rooftop-solar story. More of his story is documented on his Wikipedia profile and across SolarManOfIndia.com, while Su-Kam’s company history is recorded on Wikipedia. India only made solar a national priority in 2010 with the Jawaharlal Nehru National Solar Mission — five years after this work began. His latest ventures continue at kunwwer.ai. Related on this site: India’s first 1 MW college solar plant at PEC Chandigarh and how India lost its solar dream to China.
Disclaimer
Mr. Kunwer Sachdev, the original founder and visionary behind Su-Kam, is no longer associated with Su-Kam Power Systems Ltd. He has not been involved in the management, operations, or decision-making of the company for several years. Any products, services, communications, or representations made under the Su-Kam name have no connection to Mr. Kunwer Sachdev. His current efforts are entirely focused on new innovations and ventures under different entities, including his latest initiative, Su-vastika, which is redefining the energy storage and power backup industry.