Phase Rotation - How to determine if phase rotation is set correctly
The phase rotation setting in a relay can be set to either ABC or ACB. This setting allows the relay to determine if the motor is running in the forward or reverse direction. This is important to prevent damage to a motor and is used in multiple settings such as current unbalance…
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Relay Programing for Normally Open and Normally Closed Contacts in Failsafe or Non-Failsafe
When programming a protection relay, it can often be confusing to determine the correct settings for output contacts. The two areas of focus are determining if a normally open (NO) or normally closed (NC) output contact will be used and then if that output contact should be set…
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How to Choose an Engineering Consultant
Here are a few things that should be considered when choosing an engineering consultant or design service. Try to find: An experienced consultant who can make valuable recommendations based on past experiences This added insight saves money and time during the construction of…
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Instrument and Control Engineering Services
Sverdrup Engineering Services can design, specify and program a control system that fits your needs. We have designed and implemented control and monitoring systems for mining operations, industrial process facilities, automotive lines, semiconductor fabs, water treatment and…
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Retrofitting an Existing Control System
Over the last few years, we have encountered many projects that involve removing an obsolete or incompatible controller and replacing it with a new one. This is done for any number of reasons. It is difficult to find parts for controllers that are no longer supported by the…
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The Key to a Successful Engineering Project
We are often asked what methods we use to create engineering designs for our clients. Inevitably, each project is unique, but all designs share common traits. Each design must: Be delivered on schedule Be completed under budget Fulfill the expectations of the client The key to…
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