Control Techniques Unidrive SP Catalog Supplement

Unidrive SP Modular 45kW – 1.9MW

Modular high power performance AC drive

The Unidrive SP Modular Drives Range offers the same
advanced feature set as the panel mount drives but with
additional power system fl exibility. Drive modules may
be arranged to provide a common DC bus system with
or without an active input (regenerative, 4 quadrant
operation). Very high current motors may be controlled
using a multi-drive modular arrangement.

Applications

The Unidrive SPM drives are suitable for applications in
both commercial and industrial applications where power
scheme fl exibility and regenerative energy saving provides
an operational advantage. Typical applications include:

• Automotive testing such as car, engine and gearbox

dynamometers

• Web control and winding

• Conveying and processing of bulk materials

• Pulp and paper processing

• Marine applications

• Energy saving with high power fans and pumps

• Metal production and processing

• Large cranes

• Renewable energy systems such as photovoltaics

Benefi ts

Unidrive SP Modular drives enjoy the same advantages as
the Panel Mounting drives but with the additional benefi ts
of power system fl exibility:

• Higher power motors are controlled using Unidrive

SPM modules connected in parallel. This is an economic
and compact solution that simplifi es installation and
improves serviceability

• Reduce running costs using a DC bus system to recycle

energy between simultaneously braking and motoring
drives such as in a winder / unwinder confi guration

• Eliminate harmonics using an active front end

• Minimise harmonics with 12, 18 and 24 pulse operation to

allow you to meet and exceed stringent supply regulations

• Modular approach can provide system redundancy,

for example if a drive module was non operational in
a multi-module installation it may still be possible to
operate the application with the remaining modules

• Ultra compact modules allow high power systems to

be constructed in non standard enclosures e.g. it is
possible to implement a drive system of between 45kW
to 1900kW in an enclosure no taller than 1m

• Operation with global power supplies 200V, 400V,

575V and 690V

Modular building blocks

The Unidrive SPM range comprises key modules that can
be combined elegantly to achieve your design criteria with
maximum economy.

SPMA AC IN / AC OUT Drive Module
SPMD DC IN / AC OUT Drive Module
SPMC AC IN / DC OUT Rectifi er
SM Control

Master
SM Control

Slave

For more information and more
confi guration examples please refer to
the Unidrive SPM brochure, order code
0175-0345. Also available for download
from www.controltechniques.com

Master control module
for use with SPMA/D

Slave control module
for use with SPMA/D

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