Energy Saver static inverter

Energy Saver static inverter

The ENERGY SAVER static inverter is used to generate a controlled square-wave single-phase alternating voltage (low frequency: 25 ÷125Hz) in industrial applications requiring high load power supplied by an external matching transformer. The remote control switch and the external fuses section the power supply powered by a three-phase electric line via uncontrolled diode bridge, and filtered by an inductor and a capacitor battery. The DC voltage thus obtained, is converted into single-phase alternating voltage via “H”-shape bridge of semiconductors in order to control impressed frequency single-phase transformers. The IGBT (Insulated Gate Bipolar Transistor) technology provides an extremely efficient control of high powers. The benefits offered by these converters are:
  • Reliability and efficiency typical of semiconductor devices
  • High efficiency (about 95%) and the possibility to control high power loads
  • Power factor cos(φ) = 0.9, no power factor correction is needed
  • Power taken from the line on each phase in a balanced way
  • Easy-to-use water cooling system
  • Usually, an external PLC control and manage the machine cycles
  • Energy saving up to 47,6% in SRC three-phase machines
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  • Data sheet

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