Distribution Transformers with On Load Tap Changer (OLTC)
Distribution Transformers with On Load Tap Changer (OLTC) & RTCC Panel
Manufactured by Volts Power Solutions
Volts Power Solutions is a trusted manufacturer of distribution transformers with On Load Tap Changer (OLTC) and RTCC panel featuring 13, 17, or 19 tap positions. Designed to provide continuous voltage regulation without power interruption, these transformers are essential for applications where voltage fluctuations can lead to equipment damage or process inefficiencies.
Our OLTC transformers are built to deliver high reliability, seamless performance, and easy integration into power distribution networks across industries, utilities, and commercial sectors.
12+ Years of
experience
experience
⚙️ Product Range & Specifications
We design and manufacture distribution transformers with OLTC and RTCC panels with the following configuration:
- Power Ratings: 100 kVA to 2500+ kVA
- Voltage Range: Up to 33 kV primary
- Tap Positions: 13, 17, or 19 tap positions for ±5%, ±7.5%, or ±10% voltage variation
- Tap Changer Type: Linear or reversing OLTC with or without reactor
- Control Panel: Remote Tap Changer Control (RTCC) with automatic/manual modes
- Winding Material: Copper (aluminum on request)
- Cooling Type: ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) as per requirement
- Frequency: 50 Hz
All transformers are manufactured in compliance with BIS standards (IS 1180 / IS 2026).
✅ Key Features of OLTC Distribution Transformers
- Voltage regulation under load without service interruption
- RTCC Panel with AVR (Automatic Voltage Regulator) for remote control and auto tap changing
- In-built protection features: over-voltage, under-voltage, tap position indication, and auto/manual selection
- Heavy-duty motorized tap changers for extended mechanical life
- Oil conservator, Buchholz relay, MOG, and breather assembly included for enhanced reliability
🧪 Quality Testing & Compliance
Each OLTC transformer is thoroughly tested for safety, performance, and durability:
- Load and no-load loss tests
- Voltage ratio and impedance measurement
- OLTC operation and transition resistance test
- RTCC panel calibration and functional verification
- Routine and type testing as per IS/IEC norms
- Oil quality and BDV testing
We ensure flawless synchronisation between OLTC and RTCC to maintain accurate output voltage in fluctuating grid conditions.
🏭 Applications
Our distribution transformers with OLTC and RTCC panels (13, 17, 19 tap positions) are ideal for:
- Industrial plants with variable load patterns
- Utility substations and state electricity boards
- Commercial complexes with sensitive equipment
- Hospitals, airports, and metro networks
- Renewable energy integration where voltage fluctuation is frequent
🌍 Why Choose Volts Power Solutions?
As a leading manufacturer of OLTC distribution transformers in India with 13, 17, or 19 tap positions, we bring you:
- BIS-certified transformers with advanced voltage regulation technology
- Complete in-house design, manufacturing, and testing capability
- Custom configurations for tapping, cooling, terminal orientation, and enclosures
- Reliable after-sales support, installation guidance, and on-site service
- On-time delivery across India and export destinations
📞 Contact Us
Looking for a custom-built OLTC distribution transformer with RTCC panel that ensures voltage stability and operational continuity?
Get in touch with Volts Power Solutions—your dependable partner for distribution transformers with On Load Tap Changer and RTCC panel in 13, 17, or 19 tap configurations.