glossary

forced shutdown: user-initiated shutdown of the inverter due to incorrect AC input (Mains 1 or Mains 2) characteristics and resulting in a 0.5 second interruption in the supply of power.

backup time: the duration over which Comet can supply full rated load without AC input power. This time depends on the battery.

battery: a number of electrolytic cells connected together to supply electrical power. The cell electrodes operate in a liquid or gel type electrolyte.

"static bypass": power electronics equipment for switching from one power

source to another without an interruption in supply. Example: transfer from inverter to bypass line or back.

manual bypass: manual switch enabling supply of power to the load directly from AC input power during maintenance or servicing.

cubicle: enclosure housing Comet constituent parts (rectifier, charger, inverter, "static bypass", battery, etc.).

charger: device supplying the battery with DC power to recharge and/or maintain the battery at the rated charge level.

transfer to inverter: load switching from the "static bypass" to the inverter.

transfer to bypass: load switching from the inverter to the "static bypass".

battery circuit breaker: DC-power circuit breaker that protects the battery circuit (fused switch for 5 kVA Comet S11 or S31).

low battery shutdown warning: signal indicating the upcoming end of battery power and the resulting inverter shutdown and interruption in the supply of power to the load.

powered down: no power is present on Comet circuits (battery circuit breaker off, upstream circuit breaker off).

rated current In: rated current supplied by Comet (power factor 0.8).

input power switch: switching device installed at Comet input and enabling rectifier shutdown.

forced operation: user-initiated connection of the load to the inverter with a 0.5 second interruption in the supply of power.

inverter: module that transforms input DC power into a virtually perfect sine wave (regulated, no-break current).

rated output Pn: apparent power Pn supplied by Comet under given load conditions (power factor 0.8).

output Pu: apparent power Pu supplied by Comet under given load conditions. It is less than or equal to the rated output Pn. The ratio Pu/Pn defines the Comet load level.

rectifier: device drawing from the power required by Comet from the AC input source. The AC input power is transformed (rectified) into DC power.

Mains 1 (AC input power): primary source of power for the rectifier and the inverter.

Merlin Gerin by MGE UPS SYSTEMS

Comet installation and user manual: E-6761200XT/FA

12.1

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MGE UPS Systems Comet TM 5 - 30 kVA user manual Glossary
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Comet TM 5 - 30 kVA specifications

MGE UPS Systems Comet TM 5 - 30 kVA is a reliable and efficient uninterruptible power supply (UPS) designed to ensure the smooth operation of critical systems in various applications. This UPS is particularly suited for data centers, telecommunications, and industrial environments that require high availability and robust power protection.

One of the main features of the Comet TM series is its modular design, which allows users to scale the UPS capacity as needed. This flexibility is crucial for businesses that anticipate growth or fluctuating power requirements. The UPS is available in a range of capacities, from 5 kVA to 30 kVA, allowing for tailored solutions that fit specific power needs.

The Comet TM is equipped with advanced double conversion technology, which provides clean and reliable power, isolating the connected equipment from input voltage disturbances. This technology ensures that any fluctuations in the mains supply, such as voltage sags or surges, do not affect the operation of sensitive electronic devices. Additionally, this UPS features a wide input voltage range that contributes to improved efficiency and reduced energy consumption.

An impressive aspect of the Comet TM is its high-efficiency mode, which optimizes energy consumption while maintaining power quality. This mode reduces operating costs and contributes to lower carbon footprints, making it an environmentally friendly choice. Furthermore, the UPS incorporates intelligent battery management systems, which enhance battery performance and extend their lifespan. This is essential in minimizing downtime and ensuring that backup power is readily available when needed.

The user-friendly interface of the Comet TM allows for easy monitoring and management of the system. With graphical displays and comprehensive alarms, users can promptly identify potential issues and take corrective actions. Remote management capabilities are also built into the system, enabling users to monitor and control the UPS remotely, which is particularly beneficial for businesses that operate across multiple locations.

In summary, the MGE UPS Systems Comet TM 5 - 30 kVA is designed for organizations that need reliable power protection and high efficiency. With its modular scalability, advanced double conversion technology, high-efficiency mode, intelligent battery management, and user-friendly interface, the Comet TM series stands out as a robust solution for critical power applications. Its combination of features ensures that businesses can maintain uninterrupted operations while benefiting from cost savings and a reduced environmental impact.
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