Tri-Sen Blog

Proof Test Intervals (PTI) as Proxy for Reliability

Posted by Harry L. Cheddie, P.Eng.,CRE, CQE, CFSE on Nov 4, 2025 2:56:55 PM

It's been a minute, so to get back in the swing of things, we've asked  guest blogger, Mr. Harry Cheddie, P.Eng. CRE, CQE, CFSE; an industry-recognized expert in industrial safety, to comment on the [...]

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turbine safety , safety systems , PFD average , proof test interval , PTI , TSODS , overspeed detection

Hydraulic trip Interface failure probabilities and spurious trip rates

Posted by Harry L. Cheddie, P.Eng.,CRE, CQE, CFSE on Sep 1, 2020 9:30:00 AM

We're going to change it up a little this post with a guest blogger, Mr. Harry Cheddie, P.Eng. CRE, CQE, CFSE; an industry-recognized expert in industrial safety.

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turbine safety , hydraulic trip , MTTF , trip block , safety systems , PFD average , API612
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About once every two weeks we'll discuss a turbomachinery controls topic that; we were either asked about recently, or a topic that we think you might be interested in learning more about. 

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