Q-MS 3 kVA – Power Management and UPS
Q-MS 3 kVA
Q-MS 3 (3 kVA) is Pii’s entry-level medium-scale power system. It includes all the features to provide safe, reliable power quality for critical needs.
Q-MS 3 High-Resolution Sine Wave Output
The Q-MS 3 assures stable power to connected equipment. The systems isolate, filter, and regulate impure and erratic input power to provide a pure and consistent sine wave output.
Dual Output Capabilities
The Q-MS can be configured with a single 120 V or 220 V output, or with dual 120/220 V output modules that can be used simultaneously. This unique feature allows flexibility for the system to be used in a wide range of applications.
Branch Circuit Input Protection
The Q-MS has an independent branch circuit for each input loop. In the event that a breaker trips or a short circuit condition occurs on one of the input loops, the other input loops will continue to function normally, avoiding a total system shutdown.
True Galvanic Isolation
The Q-MS 3 incorporates true galvanic isolation on the output, which isolates the AC output under every mode of operation. The Q-MS can accept a different ground between input and output, thus stopping any current leakage through the ground. True galvanic isolation reduces common-mode noise that is normally transferred to the output from the AC power input source.
Cold Start Function
The Q-MS can be started independently of an AC power source by using its batteries. Special current-limiting circuitry protects the Q-MS from high inrush currents associated with DC battery connections on a dry DC bus. Ordinary online UPS solutions can suffer damage to battery fuses and DC capacitors when batteries are connected to an empty DC bus for cold start applications.
Phase Control Technology
The Q-MS utilizes phase control technology to regulate the DC bus voltage. This feature provides efficient and direct battery charging.
Harsh Environment Tolerance
Each component used in the Q-MS has been selected for exceptional durability and safety. The Q-MS can run efficiently in extreme environments: temperature, humidity, altitude, shock, and contamination.
Expandable Backup Time
Q-MS system batteries provide five (5) minutes of backup time at full load. Backup time is expandable with additional battery modules.
The Q-MS Series incorporates technologies that preserve the life of the system and connected equipment. Advanced features include:
- Overload bypass
- Short-circuit protection
- Over-temperature shutdown
The Q-MS is designed to use a high-frequency, highly efficient IGBT/PWM in converting DC power to AC power. This design reduces the total number of system components and makes Q-MS lighter, smaller, more reliable, and more efficient.
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