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| Name | Understanding How Different Relays and Test-Sets Calculate Frequency |
| Video Uploader | Video From Valence Electrical Training Services |
| Upload Date | This Video Uploaded At 07-02-2014 18:21:52 |
| Video Discription | Relays that use time delays in seconds are easy to test because seconds is an universal unit that can only be interpreted one way. Relays that use time delays in cycles are easy to test as long as the relay and the test-set use the same reference. Cycles can be defined by the generated frequency, or by the nominal (or system) frequency. If the relay and the test-set do not use the same reference, your timing test results will get worse the further you test frequency is from the system frequency. This video is excerpted from our online training course describing the basics of relay testing to provide a real-world example to explain why understanding the relationship between time and frequency is important for relay testers. The online training courses are currently under development. Subscribe to our mailing list to get updates when the courses will be released at http://relaytraining.com/subscribe-mailing-list/. This video is based on the first chapter of The Relay Testing Handbook: Principles and Practice or the first of The Relay Testing Handbook series: Electrical Fundamentals for Relay Testing. You can purchase these books at our online store at http://relaytraining.com/product-category/trth/ |
| Category | Science & Technology |
| Tags | Valenceonline | TRTH-YT2 | Valence Electrical Training Services | Trthyt | The Relay Testing Handbook | Relay Testing | Protective Relays | Digital Relays | Chris Werstiuk | Frequency | Frequency Testing | Time Tests | Time Delays | relaytraining.com |
