What Was Your Electrical Epiphany?

The next generation of relay testers need your help! We’re almost finished our “How to Test Protective Relays” Online Seminar and we’re starting to write the next online training course for relay testers about the basics of electricity with the following topics: Basic circuits and phasor measurements Ohm’s Law Impedance

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What Was Your Electrical Epiphany?

High Impedance Busbar Differential Protection

Complete High Impedance Differential Single Line

We covered the basic operating principles of high impedance busbar differential protection in our previous post, I Want to Know How a High Impedance Differential Scheme Works. You should read that post first before we dig deep into the calculations and considerations that explain how high impedance busbar differential schemes function.

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High Impedance Busbar Differential Protection

Get and Manage Protective Relaying Online Training Courses for Your Entire Team

Want to enroll your entire team in one of our protective relaying online training courses quickly and easily? With our new added features, you can: Purchase multiple seats in any of our online training courses Automatically receive bulk discounts Use your personal course management page to: Add individual team members to

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Get and Manage Protective Relaying Online Training Courses for Your Entire Team

I Want to Know How a High Impedance Differential Scheme Works

Complete High Impedance Differential Single Line

We received this question from the Ask Chris form at relaytraining.com. Follow this link to ask your own question and it might appear in a future blog post. High Impedance Differential Scheme Testing High impedance differential relays are some of the easiest relays to test. Isolate the relay from the

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I Want to Know How a High Impedance Differential Scheme Works

Direct Transfer Trip and Direct Under-Reaching Transfer Trip Schemes Video

Direct Under-Reaching Transfer Trip or Direct Transfer Trip

We’re continuing our end-to-end testing series by looking at the two simplest communication-assisted trip schemes used.  Watch this Direct Transfer Trip and Direct Under-Reaching Transfer Trip Schemes Video to learn more about these two schemes.  You can read the transcript below the video. If you haven’t watched Understanding Line Distance protection (21),

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Direct Transfer Trip and Direct Under-Reaching Transfer Trip Schemes Video

Valence will be at the NETA PowerTest 2016 Conference in Fort Worth, TN

The NETA PowerTest 2016 Conference is one of the best conferences in the industry. It starts on Monday, March 14th with a series of 45-minute lectures from industry experts. There are several tracks, or themes, to choose from; so there is almost always someone talking about something you are interested in at

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Valence will be at the NETA PowerTest 2016 Conference in Fort Worth, TN