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Motor Drive Capabilities

Case Study: Motor Drive Capabilities

Output Power:            10W - 3 KW+
Supply Voltage:           1 - 1KV
Supply Current:          up to 100A
Rotational speeds:     30Krpm +

Over a number of years MLE have designed electronics for many motor control applications.

These have ranged in powers from 10's of Watts for projects like the ‘Source' requiring 729 individual motor driven ‘pods' to large systems of several kilowatts used in industrial air movement.

Although there have been specific examples of controllers we have created in the past for our clients our  broad range of skills means we can design almost any  particular controller that you require.

We can add to this a range of additional electronic requirements to provide management and interface features. These include overload, over temperature and high or low speed alarms. Other features requested by our clients are hard and soft start profiles and interfacing to management systems e.g. volt-free contacts through to fieldbus communications.

 

Motor Drive Capabilities 1

Software Intelligence

One of the key aspects of any controller is how it responds in normal and unusual situations. For this reason we generally employ a small microcontroller or a fully equipped DSP controller to form the heart of the system. In this way we can create ‘digital' control algorithms where the parameters can be controlled and adjusted by the end user or client. Additional information like overload, run time etc can be useful for life assessment of returns and for warranty claims from clients.

 

Motor Drive Capabilities 2 Controller for 270V Airborne Applications

An integrated controller incorporating the controller, power driver and inverter components as well as the power supply for the local control supply are integrated into one small compact controller using a ceramic substrate for high density and thermal management.

 Motor Drive Capabilities 3

Controller for Mill Spec 28V Fans for Mobile Radio Vehicles

This uses advanced electronics for cooling fans used on mobile radio vehicles. The controller was approved to the rigorous supply susceptibility requirements and emissions that such applications require.

 Motor Drive Capabilities 4

Turbine Scavenge Fan Controller

An advanced controller for the monitoring and controlling of a scavenge fan used in a turbine. Using ruggedised power electronics to control the 400Hz supply, fault currents of up to 50A are monitored and controlled. An advanced micro-controller continuously checks for the safe operation of both the unit and fan and then relays information to the management system.

 

 

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