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Control Techniques Frequency Inverters

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Control Techniques — Variable Frequency Drives from a British manufacturer

Control Techniques is a division of Nidec Corporation, designed and engineered in the United Kingdom. The brand specialises in variable frequency drives (VFDs) and servo systems for industrial applications — from compact single-phase drives for light machinery up to multi-megawatt solutions for heavy industry. All drives comply with EN 61800-5-1 and are widely used in food processing, water supply, metallurgy, and machine tool industries.

Control Techniques product lineup

The Control Techniques range covers several series for different application requirements. Below are the main series available at Chastotnik.ua:

Series Power, kW Supply Key feature Application
Commander SK 0.2–75 1×220 / 3×380 Compact, easy commissioning, scalar V/Hz control Pumps, fans, conveyors
Unidrive SP 0.7–200 3×380 Open-loop and closed-loop vector, servo control Machine tools, hoists, extruders
AFFINITY 3.0–90 3×380 HVAC-optimised, built-in PID, energy-saving algorithms Ventilation, HVAC, water supply
Unidrive M200 0.7–22 3×380 Next generation after Unidrive SP, modular architecture General industrial drives
Powerdrive F300 0.75–250 3×380 Purpose-built for pumps and fans with high energy efficiency Pump stations, HVAC

How to choose a Control Techniques VFD

Control Techniques offers a drive for every application. Below is a comparison of the most ordered models at Chastotnik.ua based on real sales data:

Model Series Power Supply Current, A IP Application
SKA1200075 Commander SK 0.7 kW 1×220 4 20 Single-phase supply, small pumps
M200-02400023A Unidrive M200 0.7 kW 3×380 2 20 Compact modern-platform drives
SKC3400220 Commander SK 2.2 kW 3×380 5.1 20 Conveyor systems, fans
BA1404 AFFINITY 3.0 kW 3×380 8 20 HVAC systems, circulation pumps
SP2402 Unidrive SP 7.5 kW 3×380 16.5 20 Machine tools, hoisting equipment

Related categories

In addition to Control Techniques drives, Chastotnik.ua offers a full range of VFDs from leading manufacturers:

Warranty and support

All Control Techniques frequency converters come with the official manufacturer warranty. Chastotnik.ua provides technical support for model selection, wiring diagrams, and commissioning guidance. Delivery across Ukraine via Nova Poshta or courier, with flexible payment options.

Control Techniques: when British precision is required on complex production lines

Control Techniques (Nidec Group, UK, since 1973) is one of the world leaders in vector control algorithms. Our catalogue features 33 models in 3 series: Unidrive SP (universal 0.75-110 kW), UNIDRIVE M200 (compact at 0.75 kW), AFFINITY (3-90 kW for pump and fan tasks). Typical customer for us on CT: extruders in printing, wire winding lines, test rigs, winders. Where the customer says "I need tight torque stabilisation and encoder feedback", we ship Unidrive SP. For ordinary pump or fan loads up to 90 kW we ship AFFINITY or INVT GD20 instead.

Control Techniques ships from Europe by order, delivery 14-21 days. 24-month warranty. Before the order we ask: encoder on the motor (incremental or absolute), network type (Profibus, CANopen, EtherNet/IP), required accuracy on speed or torque.

Control Techniques VFD Series

Main Popular Series

Unidrive SP: Powerful Universal Series

18 models, 0.75-110 kW. Open-loop and closed-loop vector control, Profibus, CANopen, EtherNet/IP support. We ship this for conveyors and cranes, extruders, complex production equipment.

UNIDRIVE M200: Compact Unidrive Version

1 model, 0.75 kW. Compact drive for simple tasks on the Unidrive platform.

AFFINITY: Pump and Fan Series

14 models, 3-90 kW. Tuned for pump and fan curves: automatic energy saving, built-in PID. Water supply, HVAC, industrial ventilation.

Which Control Techniques Series to Choose?

Complex production line requiring closed-loop vector control or industrial networks: Unidrive SP. Pump or fan up to 90 kW with built-in PID: AFFINITY.

Equipment Advantages

When selecting equipment, consider overload capacity, integrated EMC filtering, and industrial protocol support.

Frequently Asked Questions

How do I set up a frequency inverter?

Unidrive SP gathers everything basic into menu 0, so first commissioning does not mean crawling through every menu. The order: motor nameplate data, maximum speed, acceleration and deceleration times, then an autotune so the drive measures winding resistance and inductance itself. Only after that do you choose the run command source and the speed reference. AFFINITY for pumps and fans ships with ready macros, so its PID comes up faster. The series manual sits on every model page.

How does a frequency inverter work?

The 50 Hz mains is rectified to DC, a capacitor link smooths it, and the output IGBTs use PWM to form three-phase AC at the required frequency. Motor speed changes with that frequency. Unidrive SP handles both induction and servo motors, with or without an encoder, which is why it ends up on complex lines with several synchronised axes. AFFINITY is the same platform tuned for the quadratic load of pumps and fans.

Which frequency inverter converts 380 to 220 V?

Straight answer: we hold no single-phase 220 V Control Techniques models. The whole available range (Unidrive SP, AFFINITY, Unidrive M200) runs from a three-phase 380 V supply. If you need a drive for a single-phase 220 V input, look at Schneider Altivar 12 and 320, Siemens SINAMICS V20, Danfoss FC51 or Veichi AC01: those have single-phase versions in stock up to 2.2 kW, and with Veichi well beyond that.

What is a frequency inverter?

A drive that controls motor speed by varying supply frequency and voltage instead of starting straight from the mains. Control Techniques is the British drive school: historically they bet on precise torque and speed control rather than the cheapest housing. We stock 33 models: Unidrive SP at 0.75-110 kW, AFFINITY at 3-90 kW and a single Unidrive M200. Prices from UAH 13,300 with VAT.

What is a frequency inverter needed for?

So the machine runs at the speed and torque it actually needs. The simplest case is a pump or fan where trimming speed instead of a damper cuts consumption; AFFINITY covers that. The harder case is an extruder, a winder or a multi-axis line where torque must be held and drives kept in step with each other, and that is where Unidrive SP with an encoder goes. The third job is a soft start with no inrush current.

Which converter turns 1 phase into 3 phases?

A drive with a single-phase input. One 220 V phase in, three phases out to the motor. Control Techniques has no such models in our current stock, the whole range is three-phase. For a single-phase input we offer Schneider Altivar 12 and Altivar 320 M2, Siemens SINAMICS V20, Danfoss Micro Drive FC51, or Veichi AC01 and AC310. Note that all of them put out 3×220 V, so a 380/220 V motor has to be switched to delta.