Page 88 - ENGINEERING REVIEW NOVEMBER 2022_Neat
P. 88
ENGINEERING
REVIEW TECH INNOVATION
PM890 IR Series
80000 VA - 500000 VA ( 3:3)
PF 0.9
a890 series UPS 80 - 500 kVA provide maximum ( > 0.99) and low THDi (≤ 3%)
protection and power quality for mission critical • Output isolation transformer using DZn0 winding makes
Eloads, including data centers, industrial processes, strong capability with unbalanced loads.
telecommunications, security and electro-medical systems. It • High MTBF ( > 200,000 h)
is an on-line double conversion UPS with IGBT-based 3-level • High efficiency even at light loads
PWM rectifier technology, featured with high input power • Input and output are completely isolated for great security
factor(> 0.99), low THDi, high efficiency (max.≥ 94%) and • Front accessible maintenance and installation against wall
built-in output isolation transformer. allowed
• Batteries are connected directly to the bus, improving the
Features: impact resistance of UPS output.
• Compact and small footprint
• Low MTTR ( < 0.5 h)
• Onlinetdouble-conversion with DSP control
Simulated modular design makes maintenance easy and
quick
• Intelligent self-diagnosing function, superior failure
protection, large capability of history records storage.
• Unique ventilation design
• Generator compatible
• Strong mixed load capacity and high overload capacity For more information,
• Latest IGBT rectifier technology, high input power factor Website: www.prostarmups.com
84 | NOVEMBER 2022

