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Full speed ahead? Not so fast... Soft Starters and VFDs will improve operations and enhance your applications

Full speed ahead? Not so fast... Soft Starters and VFDs will improve operations and enhance your applications

Mackenzie Inman 26/08/2014 0
What is a Soft Starter?An RVSS (Reduced Voltage Soft Starter) is a solid state switching device first invented by a NASA engineer named Frank Nola. ...
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Switching it up: IGBTs

Switching it up: IGBTs

Mackenzie Inman 15/08/2014 9
An Insulated Gate Bipolar Transistor (IGBT) is a key component in what makes up a VFD (Variable Frequency Drive). If you break down a VFD, one easy wa...
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SV1 - HVAC VFD Control Panel

SV1 - HVAC VFD Control Panel

Yin Tang 12/08/2014 0
The intelligent design of the MDI (Motor Drives International) enclosed drive panels, including the SV1 system, have been engineered with you and yo...
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7 Questions to Ask When Buying a VFD Control Panel

7 Questions to Ask When Buying a VFD Control Panel

Yin Tang 23/07/2014 0
Do you know how to find a quality enclosed VFD control panel?Here are 7 questions you need to ask yourself (and your supplier) before buying a VFD c...
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Shaft Grounding Rings - The Necessary Accessory for Your Motor and VFD

Shaft Grounding Rings - The Necessary Accessory for Your Motor and VFD

Dan Hansen 14/07/2014 0
Why do you need a shaft grounding ring (SGR)?Motors that are operated with a variable frequency drive (VFD) are more susceptible to bearing failure....
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What is a Reduced Voltage Soft Starter (RVSS)?

What is a Reduced Voltage Soft Starter (RVSS)?

Yin Tang 11/07/2014 0
What is a Reduced Voltage Soft Starter (RVSS)?A soft starter, like its name, is a device that provides a “soft start” for the motor by gradually ram...
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Why Should You Use a Line Reactor?

Why Should You Use a Line Reactor?

Yin Tang 30/06/2014 1
Why do our engineers recommend line reactors?After reading about How will line reactors help your VFD and What is a line reactor, you probably alrea...
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How Do VFDs Save Energy (Video)?

How Do VFDs Save Energy (Video)?

Yin Tang 27/06/2014 0
 Video Transcript Today we are going to talk about how VFDs save energy.I’d like to refer to the diagram on the screen. This is a diagram th...
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How Will Line Reactors Help Your Variable Frequency Drive?

How Will Line Reactors Help Your Variable Frequency Drive?

Yin Tang 23/06/2014 1
The problem: While VFD's provide great advantages in energy savings and increased efficiency, they are the #1 cause of electrical power system pol...
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What is a Variable Frequency Drive (Video)?

What is a Variable Frequency Drive (Video)?

Yin Tang 19/06/2014 1
  Video TranscriptToday we are going to talk about what is a VFD.In the 1880s, we saw the introduction of three-phase AC power. This was a marve...
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What is a Line Reactor?

What is a Line Reactor?

Yin Tang 12/06/2014 0
A line reactor (also referred to as a "choke") is a variable frequency drive (VFD) accessory that consists of a coil of wire that forms a magnetic fie...
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What is a Variable Frequency Drive?

What is a Variable Frequency Drive?

Craig Hartman 20/03/2014 183
View TranscriptWhat is a VFD?A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the freq...
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Variable Frequency Drive Harmonic Mitigation

Variable Frequency Drive Harmonic Mitigation

Craig Hartman 20/03/2014 0
Table of ContentsBackground of Harmonics IEEE 519 - Recommended Practices for Harmonic Control Effects of Harmonics Types of Harmonic Mitigati...
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