Jun 23, 2020

Everybody boasts they can do it… ORTEA really manufactures them!

Big currents (max input current 5774A) involve the production of extra-large components: big bars, big transformers, big regulators… ultimately: big voltage stabilizers.

Like these two 3200kVA SIRIUS with ± 20% input voltage range, intended to improve the power quality of a large Nigerian bank.

These are some numbers:

  • 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

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

The control and stabilisation, performed on the true RMS value, are carried out by a two-way DSP-microprocessor under the supervision of a second "bodyguard" microprocessor, operating with a software specifically developed for ORTEA.

The columnar variable autotransformer with rollers (ORTEA design - without brushes, 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.).

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