Series reactor for electric-arc furnaces

  • series reactor for electric arc furnaces Series reactor for electric arc furnaces
    Series reactor for electric-arc furnaces

    TES designs, builds, tests, commissions and maintains oil-phase reactors

 

Tes Transformer Electro Service

Italian Tailor Made

  • Details

Construction type: single-core shell type with no-load control of phase impedance.

  • Nominal Power: 25700 kvar OFWF (0,56-3,2 Ohm)
  • Nominal Ratio: 33000-22500 V
  • Total Weight: 59500 kg
  • Range of application
  • Three-phase power up to: 60 Mvar
  • Primary system voltage up to: 132 KV
  • Description

Using its consolidated technology and the experience it has accumulated in the construction of oil-filled series reactors for AC arc furnaces, TES designs, builds, tests, commissions and maintains oil-phase reactors with power ratings of up to 60 Mvar and voltages of up to 132 kV.

In arc furnaces, which use long arcs and high levels of secondary voltage, it is normally essential to introduce an additional reactor, which serves to stabilise the arc during fusion and to optimise the functionality of the furnace. The furnace transformers are often used in series with reactors which have some regulation taps operated with either an on-load tap changer (OLTC), for maximum flexibility, or with a no-load tap changer (NLTC). The reactor can be built inside the main transformer cabinet, or alternatively, it can be entirely separate from it or located next to it.

This solution makes it possible to eliminate the costs of cabling the MV connections between the transformer and the reactor, thus making it possible to carry out maintenance work on the reactor without having to shut off the transformer. In this way, the overall reliability of the system can be enhanced.

The experience that TES has built up has allowed to company to become a leading brand both nationally and internationally for in series reactors for arc furnaces. The company’s products are used across a wide spectrum of applications by a plethora of major clients.

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