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motors and drives

sanitary processing plant
Motors
Motors & Drives Efficiency in Sanitary Processing Plants
Why this equipment is important in overall plant operations.
Four 450 hp 514 rpm vertical ECDs
Motors
Drive Technology Selection for Variable Speed Pumping
The benefits of eddy current drives in pumping applications.
Drives in equipment room
Motors
Keeping the Water Flowing With Variable Frequency Drives
How a VFD mitigated downtime for a water tank.
ABB
Motors
Advantages of Active Front-End Variable Frequency Drives
Active front-end drives allow for reliable, consistent performance.
IMAGE 1: VFDs can deliver energy savings to pump systems. (Image courtesy of Infinitum Electric)
Motors
5 Motor Essentials for Sustainable Pump Applications
Actionable steps you can take to raise your pumping standards while lowering costs.

IMAGE 1: Changes in a machine’s vibration patterns are an indicator of potential problems. (Images courtesy of Fluke)
Motors
Vibration Sensors: What Works, What Does Not & Common Misunderstandings
Consider several factors when choosing and implementing sensors for your monitoring program.
IMAGE 3: If the motor loses a turn because of an arc or short, the frequency of the waveform increases causing it to appear to shift left. In this failed pulse-to-pulse test, the blue wave is from the pulse before the arc and the red wave from the pulse that arced.
Motors
What Is Surge Comparison Testing?
This test can find cases of weak insulation before the motor progresses to complete failure.
Sustainability
Motors
Making Electric Pump Motors More Sustainable—Green Is Good Business
Understand three considerations for evaluating your next efficient motor.
Electric motor
Motors
Motor & Variable Speed Controller Technology
A brief history of the electric motor.
motor
Motors
Top Challenges & Considerations for Retrofitting a Motor
Users have several needs and goals in order to upgrade the pump system.
Voltage spectrum
Motors
Using ESA to Identify Vibration Problems
Although still in its infancy, electrical signature analysis can offer long-term benefits to users.

Torsional twisting of motor rotor
Motors
How to Use Motor Analyses to Solve Vibration Issues
Understand how resonance and drivetrain design issues might be behind vibration problems.
IMAGE 2: Electromechanical VSD overview on a high-power, high-speed pump (Images courtesy of Voith)
Motors
Save Energy & Costs With VSDs
Electromechanical VSDs can provide high efficiency for high-power, high-speed pumps.
A two-level VFD with input and output form waves
Motors
Understanding the Design Process for Motors & Drives
The complexity of pairing a motor with a VFD is a key point to consider, along with torque.
IMAGE 1: Examples of typical motor technical data (Images courtesy of designmotors)
Motors
Making Sense of Motor Technical Data
Understand how this data is presented and how to make it become clear.
Pipeline Pump
Motors
Energy Savings Advantages From Stiff Shaft VFD Motors
See the best fits among stiff or flexible shafts for motor operation.
VFD
5 Keys To Smart Staging/Destaging Pumps Using VFDs
Adding or removing auxiliary pumps based on the VFD controller algorithm creates an efficient pumping system.

Water tower
Motors
Powering Systems at Peak Efficiency With Permanent Magnet Technology
These motor systems can run at a synchronous speed, providing improved hydraulic performance.
motors drives
Motors
Advantages of Permanent Magnet Motors for Submersible Groundwater Pumps
These motors are environmentally responsible and result in lower energy costs for users.
Ferrite-Assisted Motor
Motors
Basics of Ferrite-Assisted Motors
These next-generation synchronous reluctance motors can improve system design and performance.
Motors and Drives
Motors
How to Calculate the RPM of a VFD
Knowing revolutions per minute is critical to adjusting power to match system requirements.
Eddy Current Drives Aid Centrifugal Pumps in Controlling Flow and Pressure
Motors
Eddy Current Drives Aid Centrifugal Pumps in Controlling Flow and Pressure
Most pumps are driven by AC induction motors.

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