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Frequency Converters

Purpose and Application of Frequency Converters

Frequency converters, also known as variable frequency drives (VFDs), are electronic devices designed to control the rotation frequency of alternating current (AC) electric motors. They play a crucial role in various sectors such as industry, energy, transportation, and others, providing efficient control of electric drives and thereby optimizing energy consumption and production processes.

Purposes of Using Frequency Converters

Frequency converters perform the following tasks:

  • Rotation frequency control: The primary function of a frequency converter is to regulate the frequency of AC supplied to the electric motor, ensuring precise control of the motor’s rotation speed based on process requirements;
  • Energy savings: VFDs enable the efficient use of energy by adjusting the operating speed of electric motors according to the current load. This reduces electricity consumption and contributes to resource conservation;
  • Soft start and braking: Frequency converters ensure a smooth start and braking of electric motors, reducing mechanical stress and extending the equipment’s lifespan;
  • Improved control accuracy: The ability to precisely adjust the frequency and, consequently, the rotation speed provides high control accuracy in various manufacturing processes.

Application Areas of Frequency Converters

Variable frequency drives for AC motors have found widespread application in the following areas:

  • Industry: Widely used to control drives for fans, pumps, conveyors, compressors, and other equipment, optimizing production processes and reducing energy costs;
  • Energy sector: In the energy industry, frequency converters are employed to control generators and pumps in hydroelectric power stations, as well as to regulate fans and pumps in thermal power plants;
  • Transportation: In the transportation sector, they are used to control electric drives for trains, trams, subways, and other vehicles;
  • Household use: Frequency converters are also applied in household appliances such as air conditioning systems, refrigerators, and washing machines, providing efficient motor control.

Frequency converters play a key role in modern electrical engineering, ensuring efficient control of electric drives and enhancing energy efficiency across various industries. Their application contributes to improved production processes, reduced energy consumption, and increased equipment reliability.

The frequency converters supplied by our company represent a new generation of speed control systems characterized by optimized sensorless vector control and compatibility with Space Vector Pulse Width Modulation (SVPWM) mode. They stand out for their high-quality input power, high power factor, and superior signal parameters at the power output.

500VA SPh FC – 500 VA single-phase frequency converter

Name or Title Indicator Note
500VA SPh  FC
  • Input 30-70Hz Isolation
  • Resistance 500Vdc 20MΩ
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Single-phase frequency converter

1kVA FC – 1 kVA Frequency Converter

Name or Title Indicator Note
1kVA  FC
  • Input 30-70Hz Isolation
  • Resistance 500Vdc 20MΩ
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency converter

 

50 kVA FC – 50 kVA Frequency Converter

Наименование Показатель Примечание
50 kVA  FC
  • Input 30-70Hz Isolation
  • Resistance 500Vdc 20MΩ
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency converter 50-k-va

7,5 kW V FC – Vector Control Frequency Converter 220V/380V

Name or Title Indicator Note
7,5 KW V  FC
  • Input 30-70Hz Isolation
  • Resistance 500Vdc 20MΩ
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency converter 220v-380v Vector control

0,75 KW V FC – Frequency Converter 220 V/380 V

Name or Title Indicator Note
0,75 KW V  FC
  • Input 30-70Hz Isolation
  • Resistance 500Vdc 20MΩ
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency converter 220-380v

0,75 – 20 KW EE  FC – Frequency Converter 220 V/380 V

Name or Title Indicator Note
0,75 – 20 KW EE  FC
  • Input 220V – 170-240; 380V – 330-440
  • Output 220V – 0-220; 380V – 0-380 0.10 – 400 kHz
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency converter 220v-380v 400kgc

10 – 200 KW EE FC – Frequency Converter 220 V/380 V

Name or Title Indicator Note
10 – 200 KW EE  FC
  • Input 220V – 170-240; 380V – 330-440
  • Output 220V – 0-220; 380V – 0-380 0.10 – 400 kHz
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency converter kw-ee-fc

30 – 600 KW EE FC – Vector Frequency Converter 380 V

Name or Title Indicator Note
30 – 600 KW EE  FC
  • Input 220V – 170-240; 380V – 330-440
  • Output 220V – 0-220; 380V – 0-380 0.10 – 400 kHz
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency converter 380-v

0,5 – 20 KW VV FC – Frequency Converter 220 V/380 V

Name or Title Indicator Note
0,5 – 20 KW VV  FC
  • Input 220V – 170-240; 380V – 330-440
  • Output 220V – 0-220; 380V – 0-380 0.10 – 400 kHz
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency converter 220-v-380-v

Lift equip  FC  – Frequency Converter for Lifting Equipment

Name or Title Indicator Note
Lift equip  FC
  • Input 220V – 170-240; 380V – 330-440
  • Output 220V – 0-220; 380V – 0-380 0.10 – 400 kHz
  • frequency conversion
  • voltage conversion
  • phase conversion from 1 phase to 3 phases and from 3 phases to 1 phase

Frequency Converter for Lifting Equipment

Auto el vehicl FC – Frequency Converter for Electric Vehicles

Name or Title Indicator Note
Auto el vehicl  FC
  • 300÷400 V DC for 43 kW
  • 500÷650 V DC for 75 kW and 100 kW 250 A
  • 12 V DC
  • Vector Field-Oriented Control

Frequency Converter for Electric Vehicles

Switch FC – Frequency Converter Control Device

Name or Title Indicator Note
Switch  FC
  • Input: 220V – 170-240; 380V – 330-440
  • Output: 220V – 0-220; 380V – 0-380 = 0.10 – 400 kHz
  • full electrical line isolation
  • protection and emergency signaling function

Frequency Converter Control Device

Pump DC dviver FC – Solar Energy Conversion Control Device for Pump Power

Name or Title Indicator Note
Pump DC dviver  FC
  • Vector Field-Oriented Control 12 V DC

  • full electrical line isolation
  • protection and emergency signaling function

Solar Energy Conversion Control Device for Pump Power

HV EE V FC – High-Voltage Vector Frequency Converter up to 10 kV

Name or Title Indicator Note
HV EE  V FC
  • Input: 220V – 170-240; 380V – 330-440
  • Output: 220V – 0-220; 380V – 0-380 = 0.10 – 400 kHz
  • full electrical line isolation
  • protection and emergency signaling function

High-Voltage Vector Frequency Converter up to 10 kV