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Frequency converters 315.0 kW

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315 kW Variable Frequency Drives (VFD 315 kW)

315 kW frequency inverters represent the heavy-duty tier of industrial VFDs, designed to control large three-phase asynchronous motors in demanding production environments. All models in this class operate on 3x380V three-phase supply with a rated output current of 600 A or above. The VFD catalogue on Chastotnik.ua lists six 315 kW models from leading manufacturers available for delivery across Ukraine.

Applications of 315 kW VFDs

Drives at this power level are deployed wherever large motors must start and run smoothly with minimal inrush current and maximum energy efficiency:

  • Pumping stations and water supply — intake pumps, booster stations, irrigation systems
  • Ventilation and air conditioning — large axial and centrifugal fans in mines, workshops, tunnels
  • Compressor systems — industrial compressors in chemical and petrochemical plants
  • Conveyor lines — mining, quarrying, cement and aggregate production
  • Cranes and hoists — port cranes, overhead cranes in steel plants
  • Crushers and mills — ore crushing, grain milling, construction material processing

315 kW VFD Models in Stock

The table below lists currently available models. All are rated for 3x380V three-phase input and include a built-in EMC filter (except Veichi AC70), with IP20 or IP21 ingress protection.

Model Brand / Series Output Current Max. Freq. IP / EMC Application
AC310-T3-315G/355P-L Veichi AC310 600 A 600 Hz IP20 / Optional General industry, pumps, fans
AC70-T3-315G/355P Veichi AC70 600 A 400 Hz IP20 / No EMC Vector control, cranes, conveyors
GD200A-315G/350P-4 INVT GD200A 600 A 400 Hz IP20 / Yes Pumps, fans, general industry
ACQ80-01-315KW-4 ABB ACQ80 600 A 500 Hz IP21 / Yes Water supply, dedicated pump drive
DX100-4T3150Q Simphoenix DX100 600 A 1000 Hz IP20 / Yes FOC vector, high-frequency drives, spindle systems
FR-F840-06830-E2-60 Mitsubishi Electric FR-F840 566.9 A 590 Hz IP20 / Yes Pumps, fans, HVAC — optimised class

Other Power Ratings

If 315 kW does not match your requirement, browse related pages: 250 kW, 280 kW, 350 kW, 400 kW. For lower ratings see 160 kW, 200 kW, 220 kW.

Warranty and Support

All 315 kW frequency inverters sold through Chastotnik.ua come with official manufacturer warranty. Our technical team provides pre-sale consultation on VFD selection for your motor and load type, as well as commissioning support. Delivery across Ukraine via Nova Poshta; payment by bank transfer (VAT invoice), card, or partial prepayment.

Frequently Asked Questions

What is a variable frequency drive and how does it work?

A VFD is an electronic device that converts AC mains voltage to DC (rectifier stage), then back to AC with adjustable frequency and amplitude (inverter stage). By varying the output frequency from 0 to 600 Hz, it smoothly controls the rotational speed of an AC induction motor from standstill to rated speed and beyond, while limiting starting current to 1.5× rated.

How do I size a VFD for my motor?

The VFD power rating should equal or exceed the motor nameplate power. For pumps and fans (variable torque), select based on the motor rating. For conveyors, cranes, and crushers (constant torque or heavy starting), choose one power step above — for example, for a 4 kW conveyor motor, we recommend a 5.5 kW VFD. Also verify that the motor's rated current does not exceed the VFD's current rating.

Can I run a three-phase 380V motor from a single-phase 220V supply?

Yes, you need a VFD with single-phase 220V input and three-phase 380V output, such as the Veichi AC70E or AC10 T/S2 variant. Power is limited to 2.2–4 kW depending on the series. The VFD not only starts the motor but also provides soft starting, speed control, and overload protection.

What is the difference between scalar and vector control?

Scalar control (V/f) maintains a constant voltage-to-frequency ratio — a simple, reliable method for pumps, fans, and compressors. Vector control (SVC, FOC) calculates motor current and flux vectors in real time, delivering 150–200% rated torque at low frequencies. Vector control is essential for conveyors, elevators, extruders, cranes, and CNC machine tools.

Why do I need an EMC filter in a VFD?

An EMC (electromagnetic compatibility) filter reduces high-frequency interference that the VFD generates in the power supply and airwaves. It is mandatory for facilities with sensitive equipment (medical, laboratories, server rooms), residential buildings, and when the cable between VFD and motor exceeds 25 m. The Veichi AC10, Delta VFD-E, and INVT GD20 models include a built-in Class C3 EMC filter.

How much energy does a VFD save?

On pumps and fans, savings range from 20% to 60% depending on the load profile. Power is proportional to the cube of speed (P∝n³): reducing speed by 20% halves energy consumption. If equipment typically operates at 70–80% of rated speed, average savings are approximately 40%. Payback period for a VFD on a pumping station is 6 to 18 months.