Substations Archives - Southwest Electric

Substations

The Importance of Routine Testing

With new equipment replacement cost and lead times at an all-time high, it is essential that your existing equipment be properly maintained. Preventive maintenance, when performed annually, can ensure equipment performance, reduce the need for future maintenance, and can increase the service life of your equipment while preventing costly outages and failures. There are many […]

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Substation Upgrade | 5 Ways to Save Money & Minimize Downtime

Your facility is adding new equipment this year, and you are tasked with upgrading, installing, and maintaining the existing substation with minimal downtime and a very limited budget. How do you do it? Apply these 5 recommendations to your new substation upgrade and deliver on-time and within budget, while keeping your workforce safe and your […]

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The 5 W’s of Transformer Oil Analysis

The 5 W’s of Transformer Oil Analysis Transformer oil testing and analysis is often overlooked yet is an integral part of keeping your transformers maintained. The process is very similar to a blood test you might have performed by a doctor. The results tell us what is going on inside and give us the chance […]

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Neutral Grounding of Electrical Power Systems

To ground, or not to ground – that is the question.  There are many factors to consider before selecting the best method of neutral grounding for your electrical system.  This article discusses the requirements and techniques of four different methods of system grounding to help you choose which one is best for your needs. Background: […]

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The Right Way to Sample a Transformer

Transformer sampling is one of the cheapest and easiest ways to determine what is going on in our transformers, but it is important to sample correctly to make sure you get a good representative sample from the transformer. Don’t wait until the transformer fails to do this sampling – many of the high costs that […]

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How to Determine Transformer Criticality

Determining transformer criticality is an important step towards turning your existing maintenance plan (or lack of) into a reliability-centered maintenance program. The analysis will allow you to develop a custom plan that saves you money with minimal downtown. So, how do you go about determining transformer criticality? The question of what tests to pull and […]

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Traditional Transformer Oil vs. Today’s Alternative Fluids

The following article was published in Transformer Technology‘s Issue 9. Read the original article here. Today, most transformers are filled with mineral oil. This has been the case since the late 19th century, when chemist Elihu Thomson, whose company later merged to form General Electric, patented the use of mineral oil in transformers to help […]

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On-Demand Monitoring: Cost-effective Alternatives to Online Monitoring

The Uptime Conundrum The ongoing demand for increased production uptime (coupled with fewer available system outages for maintenance) drives the necessity to transform the approach to maintaining power distribution equipment and systems.. The average US facility’s annual uptime percentage has risen from 80% in 1980 to 97% in 2019. That equates to reducing the average […]

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