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Frequency Converters

10kVA to 10,000kVA, 25Hz - 415Hz, high performance digital frequency converters 

Description

The Static Frequency Converter is an advanced fully digital frequency converter family.  Latest technology IGBTs, RISC processors and optimised magnetics design are combined to produce state of the art controlled AC voltage synthesis. Frequency converters are available to produce a wide range of output voltages and frequencies from an equally wide range of input voltages and frequencies.

Options

  • 12 pulse input configuration
  • active front end input (1.0pf)
  • stainless steel enclosure
  • grid connect / utility paralleled
  • additional output filtering
  • 180-520Vac supply option
  • Earth leakage control for marine application
  • Industrial network communications

Specifications

Inputs

Typical input voltages* 1 & 3 Phase;

  • 380-440V, 50Hz
  • 460-600V, 60Hz
  • 690V, 60Hz
  • 2.4 to 13.8kV
  • 250-750Vdc

A wide range of input voltages available on request
*Power rating may depend on supply

Outputs

Typical output voltages available 1 & 3 Phase

  • 400V, 50Hz
  • 480/600V, 60Hz
  • 690V, 60Hz
  • 208V, 60Hz
  • 110V, 60Hz
  • 2.4-13.8kV

Custom output voltages, and multiple output voltages available on request

Protection

  • Input semiconductor fuse (>100kVA models)
  • Inverter de-saturation protection
  • Inverter and magnetic thermal protection
  • Input voltage out of tolerance protection
  • Output overload protection
  • Output short circuit protection
  • Output current limit for fuse clearing
  • Earth leakage protection available on request

Environment

  • Operating temperature: 0 – 400C
  • Relative humidity 0-95% (non condensing)
  • Noise radiation < 65dBa (1m head position)




power solutions for paper mills

175kVA Frequency Converter

Features

  • Fully digital implementation
  • Simple user controls
  • Plain English 4x20 character LCD display
  • Electronic output voltage damping
  • Cable impedance compensation for voltage drop elimination
  • Minimal service requirements
  • Modern IGBT inverter
  • Rugged overload capability
  • Fuse Clearing ability
  • Short circuit protected
  • Flexible design for customization
  • Extensive Diagnostics
  • Fault log
  • User adjustable voltage and frequency
  • RS232/RS485 serial communications
  • Input – Output galvanic isolation
  • Quartz Crystal stabilized digital waveform synthesis
  • Noise radiation <65dBa (1m head position)

 
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