Master HE

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Technical sheet: Master HE

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MASTER HE - HIGH EFFICIENCY


The Master HE series is available from 100 to 800 kVA. The UPS implements a new ON LINE double conversion technology performed automatically at IGBT and DSP (Digital Signal Processor) control in order to guarantee maximum protection, excellent power quality and “green” energy for any what type of application, including data centers, business continuity service centers, telecommunication rooms, industrial processes and security systems.
"High Efficiency" means that the available active power is greater than that of traditional UPSs thanks to the unit power factor at the output (up to 25% more compared to the same UPS at fp 0.8) .
The nominal power is guaranteed without derating whatever the operating temperature, in the range of 10-40 ° C. In addition, the control circuits and specially designed hardware provide ON LINE double conversion efficiency of up to 95.5%, perfectly comparable to the best transformerless UPSs on the market.

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"ZERO IMPACT SOURCE"


The Master HE series UPS have zero impact on the power supply, whether it is a supply from the network or from a generator:

  • input current distortion less than 3%;

  • input power factor of 0.99;

  • "power walk-in" function which guarantees a gradual starting of the rectifier;

  • "Start-up delay" function to restart the rectifiers when the mains power is restored if several UPSs are in the system.

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SMART GRID READY


The Master HE “Smart Grid Ready” series allows the integration of energy storage solutions, while simultaneously guaranteeing a very high level of efficiency and an autonomous selection of the most efficient operating mode according to the state of the network. The HE Masters are also able to interface electronically with the Energy Manager, through the Smart Grids communication network.

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BATTERY CARE SYSTEM


The Master HE series uses a set of features to extend battery life and reduce battery usage, such as different charging methods, full discharge protection, current limiting and temperature-dependent voltage compensation. battery ambient.


Thanks to the BOOSTER / REDUCER converter, allowing the battery to be recharged and discharged, the "Ripple current" in the battery is extremely reduced; this allows greater reliability of the battery since it is no longer connected to the DC bus of the UPS.

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MAIN FEATURES

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  • High efficiency up to 99.4% (in STANDBY ON mode);

  • Compact dimensions: eg. Only 0.85 m2 for the Master HE 250 kVA;

  • Reduced weight for transformer based UPS;

  • Double load protection, electronic and galvanic, towards the battery.