Eriks introduces the Quickdrive inverters

Eriks is offering the Fenner range of Quickdrive (QD) inverters.

The range caters for variable torque applications and those needing high performance open-loop and simple speed control; these include heating, ventilating and air conditioning applications (HVAC).

The Fenner QD:E (Easy) range is available in ratings from 0.37kW to 11kW.

It has factory pre-set settings that are suitable for most applications.

For more complex applications, the 14 basic parameters can easily be adjusted to suit more demanding requirements.

The QD:E units have an overload capacity of 150 per cent for 60 seconds and are supplied with an integral RFI filter.

Repeat programming can be carried out with the aid of the Fenner Q-stick, a memory stick that plugs into the front of the drive to allow the specific parameter settings to be quickly uploaded.

The QD-VT (Variable Torque) range is suited to providing energy savings in HVAC applications.

This range is designed for use with fans and pumps and is available with ratings from 1.5 to 160kW.

Integral RFI filters are fitted as standard and each drive is capable of a number of real-time energy optimising functions, together with integrated PID (proportional integral derivative controller) functionality.

The advanced QD:CT (Constant Torque) Plus range offers open-loop vector control for motors with ratings from 0.37 kW to 160 kW.

These drives can deliver 200 per cent torque right down to 0 Hz, allowing them to be used in applications where closed-loop control would previously have been essential.

The data found on the motor plate is all that is needed to setup QD:CT PLUS drives.

The drives continuously (and automatically) track the motor characteristics and use the vector control algorithms-adjust for optimal performance, ensuring maximum torque at low speeds.

The enclosed QD:E IP55 and QD:CT PLUS IP55 units offer a weatherproof drive suited for the harshest of industrial environments.

The front facia comes complete with speed control knob, forward/reverse selector, lockable isolator and full programming keypad and display.

Fenner QD drives from Eriks are Modbus compatible and can be converted to allow easy integration with Fieldbus and Ethernet connections via the RS485 port.

All QD drives can operate in ambient temperatures from 0C to 50C (IP20 units) and 0C to 40C (IP55 units).

The QD range complies with the ROHS and EMC directives and is UL/CUL approved.

The FM:P electric motor is an ECA compliant, high efficiency motor that works in the most demanding applications.

Available in powers from 1.1 to 500kW, these motors feature NU bearings on larger motors to prolong bearing life where there is a considerable overhung load.

The FM:P electric motors achieve EFF1 status.

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