Magnetics Business & Technology - January/February 2023 - 19
RESEARCH & DEVELOPMENT
Pumps account for a large portion of this electricity consumed
across the various sectors, especially in industries and commercial
sectors. As a world leading manufacturer of pumps and pump
equipment, Grundfos makes electrical motors of exceptional quality
and has been manufacturing its own motors for decades. The
company's MGE E-motors exceeds the IE5 requirements - for example,
looking at a MGE 11.0 kW 3x380-500V medium speed, the
IE5 requirement for the motor efficiency is 93.2%, but the Grundfos
MGE E-motor exceed that by more than 2% by having a motor
efficiency of 95.7% at 380V/2600 rpm. The PDS (Power Drive
System, including Variable Frequency Drive or VFD) efficiency of
a MGE 11,0 kW reaches as highs as 93.2% at 380V/2900 rpm. So
even including the VFD the MGE motor matches the IE5 requirements
for the motor part itself.
handled by the drive at exactly the right time to have a safe and
efficient boiler operation and reduce complexity. The outcome
has been a 40 percent energy saving on one pump alone which
equates to about 5.000 GBP a year. On top of that a 6 % saving
on the gas usage for the boiler as a result of the more stable level
control. Elsewhere, high-rise buildings equipped with the new
systems have unlocked up to 80% energy savings with simple
pump swaps.
Headquartered in Bjerringbro, Denmark, Grundfos is the largest
pump manufacturer in the world and has some 19,000 employees
globally. It also is a major supplier of flow control and liquid level
systems, many of which utilize magnetic sensing technology. For
more info, see www.grundfos.com.
Grundfos e-pumps and e-motors are designed and
manufactured in-house
At the Grant distillery, for example, Grundfos
replaced the fixed-speed CR pumps for boiler
feed on four steam boilers with a steam capacity
from 12.5 tons to 30 tons with a steam pressure
of 10 bar, with Grundfos iSOLUTIONS CRIE15-8
pumps with MGE motors. They also removed the
modulating valve from the boiler. The CRIE pump
controls the level in the steam boilers, going up and
down in speed depending on demand. At the same
time, the Grundfos pumps use built-in functions in
the drive to control a bypass valve to secure flow
through the economizer when the burner is running
but the boiler is not calling for water. All control is
www.MagneticsMag.com
January/February 2023 * Magnetics Business & Technology 19
http://www.grundfos.com
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Magnetics Business & Technology - January/February 2023
Table of Contents for the Digital Edition of Magnetics Business & Technology - January/February 2023
Magnetics Business & Technology - January/February 2023
Editor’s Choice/ Features
Magnetoelastic Torque Sensors from MagCanica Provide Secret Sauce for Race Cars & Aircraft
FormFactor Advances Cryogenic Testing & Magnetic Probing for Quantum Developers
Measurement & Positioning Specialist ELGO Builds Out Line of Sensors for Elevator Safety
Research & Development
Tech Tips
Product News
Industry News
Events Calendar/ Advertising Index
Hprobe Advances Production Testing for Magnetic Semiconductor Devices
Visions
Magnetics Business & Technology - January/February 2023 - Magnetics Business & Technology - January/February 2023
Magnetics Business & Technology - January/February 2023 - Cover2
Magnetics Business & Technology - January/February 2023 - 3
Magnetics Business & Technology - January/February 2023 - Editor’s Choice/ Features
Magnetics Business & Technology - January/February 2023 - 5
Magnetics Business & Technology - January/February 2023 - Magnetoelastic Torque Sensors from MagCanica Provide Secret Sauce for Race Cars & Aircraft
Magnetics Business & Technology - January/February 2023 - 7
Magnetics Business & Technology - January/February 2023 - FormFactor Advances Cryogenic Testing & Magnetic Probing for Quantum Developers
Magnetics Business & Technology - January/February 2023 - 9
Magnetics Business & Technology - January/February 2023 - 10
Magnetics Business & Technology - January/February 2023 - 11
Magnetics Business & Technology - January/February 2023 - 12
Magnetics Business & Technology - January/February 2023 - 13
Magnetics Business & Technology - January/February 2023 - Measurement & Positioning Specialist ELGO Builds Out Line of Sensors for Elevator Safety
Magnetics Business & Technology - January/February 2023 - 15
Magnetics Business & Technology - January/February 2023 - 16
Magnetics Business & Technology - January/February 2023 - 17
Magnetics Business & Technology - January/February 2023 - Research & Development
Magnetics Business & Technology - January/February 2023 - 19
Magnetics Business & Technology - January/February 2023 - 20
Magnetics Business & Technology - January/February 2023 - 21
Magnetics Business & Technology - January/February 2023 - Tech Tips
Magnetics Business & Technology - January/February 2023 - 23
Magnetics Business & Technology - January/February 2023 - Product News
Magnetics Business & Technology - January/February 2023 - 25
Magnetics Business & Technology - January/February 2023 - 26
Magnetics Business & Technology - January/February 2023 - 27
Magnetics Business & Technology - January/February 2023 - Industry News
Magnetics Business & Technology - January/February 2023 - 29
Magnetics Business & Technology - January/February 2023 - 30
Magnetics Business & Technology - January/February 2023 - 31
Magnetics Business & Technology - January/February 2023 - Events Calendar/ Advertising Index
Magnetics Business & Technology - January/February 2023 - 33
Magnetics Business & Technology - January/February 2023 - Visions
Magnetics Business & Technology - January/February 2023 - Cover3
Magnetics Business & Technology - January/February 2023 - Cover4
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