BIG STABILIZERS? BIG LOADING OPERATIONS!

Voltage Stabilisers
15 October 2020
BIG STABILIZERS? BIG LOADING OPERATIONS!

When dealing with “big” stabilizers, such as these two 3200kVA SIRIUS, also their dimensions and weights are “big”: each box measures 6500x2160x2770mm and weighs 14.600kg. As a consequence, also the loading operations require the use of extra-large cranes.

Since we are talking about numbers, here are those relating to these two 3200kVA SIRIUS with ± 20% input voltage range:

  • Power rating: 3200kVA
  • Input voltage: 400V ± 20%
  • Output voltage: 400V ± 0.5%
  • Rated current: 4619A
  • Max input current: 5774A
  • Dimensions: 6200x2000x2400 mm
  • Weight: 12.600 kg

Our top-of-the-range model SIRIUS is available from 60kVA up to 6000kVA and with different input voltage ranges: ±10%, ±15%, ±20%, ±25%, ±30%, +15/-35% and +15/-45%.

The stabilization, performed on the true RMS value, is carried out by a two-way DSP-microprocessor under the supervision of a second “bodyguard” microprocessor, operating with a software which has been developed specifically for ORTEA.

The columnar variable autotransformer with rollers (ORTEA design – without sliding contacts, which are subject to heavy wear & tear) is solid and very reliable.

The user interface is a multilingual 10” touch panel equipped with RS485 port. The display shows all the electric parameters (voltage, current, active power etc.), the information regarding the operating modes (power on; voltage regulation limits; increase/decrease of voltage regulation etc.) and the alarms (minimum and maximum voltage, maximum current, overtemperature, etc.).