What is the difference between a Softstarter and a Variable Speed Drive?

In this post, we answer your frequently asked question: What is the difference between a softstarter and a Variable Speed Drive? The main difference between a Softstarter and a Variable Speed Drive, is that a Soft Start does not have the capacity to actually vary the speed or frequency of the motor. A Variable Speed Drive can perform […]

What current is required when starting a motor with a Variable Speed Drive / Inverter?

When an AC motor is started “across the line,” it takes as much as seven to eight times the motor full-load current to start the motor and load.  This current flexes the motor windings and generates heat, which will, over time, reduce the longevity of the motor.  An adjustable speed AC Drive starts a motor […]

How do I reduce the required starting current of an AC Motor?

FAQ: How do I reduce required starting current of an AC Motor? Our technical engineer’s answer: When an AC Motor is started ‘across the line’, it takes as much as seven to eight times the motor full-load current to start the motor and load.  This current flexes the motor windings and generates heat, which will, over […]

Technical Question for Siemens Centrifugal Thruster

Q)  I have a Siemens centrifugal thruster that I am repairing. After several attempts at rebuilding, I still can’t get it to work.  I did not strip it down initially and I have no drawings or any information available. Type:Md 116-315 A) Our engineers are experienced in the maintenance, servicing and strip down of Siemens […]

Quantum Win ABB Motors Award

We are delighted to announce that we have won the ABB Award for the largest ABB AVP Partner growth in relation to the sales of ABB Motors.  Kevin Brown, Managing Director of Quantum Controls Ltd was presented with the award by Rob Wood, ABB’s UK Motors Sales Manager. Brown commented, “I was delighted to accept this […]