SNG Guaranteed Voltages System

AC SNG guaranteed voltage system (optionally AC & DC).

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Product description

SNG is a modular, integrated, multi-voltage direct current (DC) and alternating current (AC) guaranteed power system. The system is continuously monitored by the Automatic Monitoring System and signalling is transmitted to the master system via RS485, USB and Ethernet communication interfaces.

 

The SNG can be a DC UPS (standard 24, 48, 60, 110, 220 VDC) or a single-phase AC (220, 230, 240 VAC) and DC UPS (48, 60, 110, 220 VDC), providing guaranteed DC and AC voltages at the outputs.

 

The SNG system consists of 19″ modules built into an industrial cabinet. The main components of the system are converters made using IGBT technology with pulse-width modulation (PWM): for DC the PBI type converter, for AC the BFI or BFIz type converter.

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Characteristics:

The system can be configured as a redundant system – parallel operation of rectifier or inverter modules.
The SNG is a scalable system; the output of the guaranteed AC voltage as well as the size of the rated current at the DC output depends on the use of a sufficient number of modules for both voltages.
The SNG is equipped with a back-up energy source in the form of maintenance-free VRLA-type batteries.
The SNG is equipped with overvoltage, overload, short-circuit and overheating protection.

Technical specifications

Supply voltage

400/230 V AC 50/60 Hz

Nominal output AC voltage

230 V AC, 50 Hz

DC power supply voltage

220 V DC or 110 V DC

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