FAQ's

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Variable Speed Drives

How can I tell the age of Schneider Altivar Process Drives from their serial number?

Quantum Controls supply thousands of Schneider Drives into the UK market every year and are an Official Service Partner for

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Variable Speed Drives

What can a Siemens Drive tell me?

Many customers require information on the installed variable speed drive (VSD) to support their operations once installed and commissioned. Typically

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Motors

How do I classify the temperature limits of an Electric Motor?

BS EN 60034-1 classifies the temperature limits (and rise limits) of insulation materials. It specifies the maximum permissible temperatures that

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Variable Speed Drives

How to select the right Drive Supplier

Not all variable speed drives suppliers are the same. To help you identify the best supplier for your drives, here

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Variable Speed Drives

How does a VSD Pump Cascade System work?

Safe and reliable pump operation for critical cascade pump processes delivers a big jump in performance. Multi-Master support for VLT®

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Variable Speed Drives

How do I tell the age of ABB Drives from their serial number?

Quantum Controls supply thousands of ABB Drives into the UK market every year, all manufactured at ABB’s Drive Factory in

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Contract Features

Will Quantum handle any warranty issues I may have?

The Problem All Drive Manufacturers offer a global product warranty and a standard warranty for 37kW and below drives is

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Variable Speed Drives

Variable Speed Drive Applications

Probably the first question that should be asked is what type of application you are considering for a VSD. There

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Variable Speed Drives

What is A PWM Inverter?

Voltage source PWM inverter drives are the most common type of low voltage inverter drives that are currently in use. The

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Motors

Will it be illegal to buy EEF1, EEF2 or EEF 3 motors once the EU MEPS legislation commences?

The EU MEPS (European Minimum Energy Performance Standard) scheme sets mandatory minimum efficiency levels for electric motors introduced into the

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Motors

Did you know that 16% of motor failures are due to external factors?

Here are the reasons why: 1. Motor operating temperature The industry standard for LV motor insulation systems is class

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Maintenance

Power failure: What does a drive do when power dips?

Public electricity supplies are generally reliable, but they do suffer disturbances. Obviously a total loss of supply results in all

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Motors

What is maximum length of cable run allowed between variable speed drives and motors?

Long cables between the motor and the drive should generally be avoided, but sometimes lengthy cable runs are unavoidable. When

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Motors

Where can I compare IE2 vs IE3 motor running costs?

The below table will provide you with everything your need to compare IE2 motors versus IE3 pole Kw IE2 Efficiency

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Variable Speed Drives

When to use a Soft Start versus a Variable Speed Drive

A soft starter is, as you would expect, a device which ensures a soft starting of a motor. A Soft Start

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Variable Speed Drives

Four-core cables – Why these should be avoided in drive installations?

Many installers prefer using four-core cable, as this is the traditional way for many installations and also because it provides

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Why Quantum Controls?

Quantum Controls are the UK’s leading supplier of Variable Speed Drives, Electric Motors & Support Services. During 2018 we formed new Service Partnerships with major Drive Suppliers in the UK and are the Official Drives Service Partner for Schneider, Danfoss, Vacon, Mitsubishi and Control Techniques Nidec, and have engineers fully trained on Siemens Drives.

We’re also proud to be the winner of the prestigious Corporate Excellence ‘Drives and Motor Supplier of the Year’ award for the last four years in a row.