Double Conversion UPS
True Online Double Conversion UPS Delivering Zero Transfer Time and Continuous Power Protection for Critical Business Operations
- Zero Transfer Time
- Continuous Power Conditioning
- High-Frequency IGBT Technology
- Mission-Critical Power Protection
- Advanced Battery Management
Key Highlight

Simulated
Wave Output

DSP Based
PWM Technology

Fast Battery
Charging

Wide Inpur
Voltage Range

Intelligent Battery
Management

Auto
Restart

Overload
Protection

Short Circuit
Protection

Eco Friendly
Operation

Stylish Compact
Body

Low noise
Performance

Energy Saving
Design
Product Overview
The TANIESH Double Conversion UPS is designed for environments where uninterrupted power is essential and even milliseconds of downtime are unacceptable. Using True Online Double Conversion Technology, the UPS continuously converts incoming AC power into DC and then back into a perfectly regulated AC output, completely isolating connected equipment from utility power disturbances.
Unlike conventional UPS systems, a Double Conversion UPS supplies power directly through the inverter at all times, eliminating transfer delays during mains failures. Built with advanced high-frequency IGBT technology, intelligent battery management, and precision digital control, it delivers exceptional voltage regulation, high efficiency, and superior protection against surges, harmonics, voltage fluctuations, and electrical noise.
Available in capacities ranging from 7.5 kVA to 500 kVA, the TANIESH Double Conversion UPS is the preferred solution for organizations that require continuous operation, maximum equipment protection, and long-term reliability.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Double Conversion UPS |
| Technology | True Online Double Conversion Technology |
| UPS Type | Online Double Conversion UPS |
| Output Waveform | Pure Sine Wave |
| Power Range | 7.5 kVA to 500 kVA (Model Dependent) |
| Switching Technology | High Frequency PWM with IGBT Technology |
| Input Configuration | 3 Phase Input |
| Output Configuration | 3 Phase Output |
| Input Voltage | 415V ±25% |
| Input Frequency | 50Hz ±3Hz |
| Transfer Time | Zero Transfer Time |
| Input Power Factor | Active Power Factor Correction (PFC) |
| Output Voltage Regulation | ±1% |
| Output Frequency | 50Hz ±0.5Hz |
| Total Harmonic Distortion | <2.5% (Linear Load), <5% (Non-Linear Load) |
| Battery Voltage | 120VDC to 480VDC (Model Dependent) |
| Battery Management | Intelligent Battery Monitoring & Automatic Charging |
| Bypass System | Automatic Static & Manual Bypass |
| Display | LCD Display with System Status, Alarm & Diagnostics |
| Efficiency | Up to 95% |
| Protection Features | Overload, Short Circuit, Battery Protection, Charger Protection, Inverter Protection & Phase Failure Protection |
| Operating Temperature | 0°C to 40°C |
| Relative Humidity | 95% Non-Condensing |
| Acoustic Noise | <60 dB |
| Applications | Data Centres, Banking, Hospitals, Industrial Automation, Process Industries, Telecom, Manufacturing Plants & Mission-Critical Infrastructure |
- True Online Double Conversion Technology
- Zero Transfer Time During Power Failure
- Continuous Power Conditioning
- High-Frequency IGBT-Based Inverter
- Advanced Digital Signal Processing
- Intelligent Battery Management System
- Static & Manual Bypass Operation
- Low Harmonic Distortion
- High System Reliability
- Designed for 24×7 Continuous Operation
- Enterprise Data Centres
- Banking & Financial Institutions
- Hospitals & Critical Care Equipment
- Industrial Automation
- Manufacturing Plants
- Telecom Switching Centres
- Process Control Industries
- Laboratories & Research Centres
- Airports & Transportation Systems
- Broadcasting & Media Facilities
- Government Infrastructure
- Mission-Critical IT Networks
Frequently Asked Questions
1. What is a Double Conversion UPS?
A Double Conversion UPS continuously converts incoming AC power into DC and back into AC, providing uninterrupted, regulated power with zero transfer time during power failures.
2.Why is zero transfer time important?
Zero transfer time ensures connected equipment never experiences even a brief interruption, making it ideal for servers, medical equipment, industrial automation, and other critical systems.
3. What capacities are available?
The TANIESH Double Conversion UPS Series is available from 7.5 kVA to 500 kVA, depending on application requirements.
4. Which industries commonly use Double Conversion UPS systems?
They are widely used in data centres, hospitals, telecom, banking, manufacturing, laboratories, government infrastructure, and enterprise IT environments.
5. Why choose TANIESH Double Conversion UPS?
TANIESH combines advanced True Online technology, intelligent battery management, industrial-grade engineering, and dependable after-sales support to deliver continuous, reliable power protection for mission-critical applications.

"From installation to maintenance, TANIESH delivered professional service and reliable technical assistance."
Kaviya S