Testing Equipment

The OMICRON CMC356 – a real work horse

The OMICRON CMC356 – a real work horse

The CMC 356 is the universal solution for testing all generations and types of protection relays. Its powerful six current sources (three-phase mode: up to 64 A / 860 VA per channel) with a great dynamic range, make the unit capable of testing even high-burden electromechanical relays with very high power demands. The CMC 356 is the first choice for applications […]

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Great new trouble-shooting videos from FLUKE

Great new trouble-shooting videos from FLUKE

 

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Why Protective Relay Testing Is Important

Why Protective Relay Testing Is Important

Protective relay testing is a vital diagnostic test that detects relay issues that are not obviously noticeable. This test provides protection to sensitive electrical apparatus equipment such as substations and switchgear. Images above: (left to right) Doble F6150 and Doble F2500. Doble relay test sets, such as the Doble F2500, allows users to test single phase relays where […]

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Age Old Dispute Resolved? Probably Not!

Age Old Dispute Resolved? Probably Not!

By: Keith Armstrong Primary Injection Testing or Secondary Injection Testing – That is the Question. If you have been in the electrical power testing industry long enough you have definitely heard this topic batted around the rafters a few times. What is a breaker owner to do? Most have their on thoughts and specifications that […]

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The Symphony of Relay Testing’s Past

The Symphony of Relay Testing’s Past

By: Keith Armstrong I was thinking the other day as I packaged up the tightly built Doble 6150 for shipment that the old days were something I should reminisce about for a while. As I was taking off the front cover to ensure the correct serial number device was being shipped, I noticed that all […]

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