Transformer Turn Ratio Testing

Power Transformer Turns Ratio Test | EEP

Depends on the specification.

See previous threads by Manzoor14, it ain't just transformer testing he has been asking about.

Rather disturbing if you ask me, what's the point of paying a company to test high voltage transformers, cables and switchgear if they don't know what they are doing and have to ask us.

It's not ethical, honest or SAFE!

Imagine this conversation.

Customer: "Manzoor14, the switching station your company maintains for us exploded, killing three people." Our lawyers will need all your professional licenses, permits certifications indicating that you are qualified for your job, all the signed documents certifying the load calculations, EHV cable testing, LV breaker testing, over current relay selection and certification documentation, Hi-pot test results and certification and MV switchgear grounding test results and certification. Today."

Manzoor14: "Well, those will have to be procured from our test and certification supplier, CR4." I'll get right back to you.

Customer: "who is your contacts there?'

Manzoor14: "Del the Cat, Crabtree, tcmtech, jack of all trades, redfred are a few, sir"

Indeed, given Manzoor14's previous threads it does appear to me he is acting unethically.

Others on CR4 can make up their own minds and should do so before offering help on CR4 in general (we ain't talking about baking cakes you know), but isn't that what we should always be doing least our help results in someone's death because someone was trying to do something the were not supposed to do but we gave them the tools or knowledge to do it?

It's just giving them the tools and knowledge to harm themselves differently is all. Some cautions may be heeded or not.

Think of CR4 as a "fast forward" button.

So if we were talking about something more extreme like advising on building a bomb, performing and surgical operation or laundering money that would also be fine. All these things are unethical also just as (for example) helping someone do something potentially dangerous they are not qualified to do while they get paid to do it.

We have had plenty of that on CR4, clueless people trying to design pressure vessels, do their own high voltage wiring or specify electrical equipment for customers even though they appear to have no electrical experience, etc.

Consultants do it all the time but there are fine lines and grey areas, they (generally) are qualified in said areas and take the risks when they sign off on the end design for example.

Something to think about. A balancing act between the fine lines and grey areas.

If telling somebody who is unqualified or inept how to perform a task, where these attributes don't help at all, makes that somebody realise that they should get somebody else to release the smoke then...mission accomplished.

Unfortunately, when somebody like you tells "somebody who is unqualified or inept" how to perform a task, and they kill some innocent bystander trying to do it anyway, who is to blame?

YOU are!

When you tell someone that you recognize as somebody who is unqualified or inept how to perform a task that you know they should not do, you become an accomplice to the aftermath.

Your comment, "giving them the tools and knowledge to harm themselves" is disgusting and irresponsible.

You have no business here.

The ..."tools and knowledge"... comment came from #5. I just ran with it.

Of course I have no business here.

You are right.

TTR results are based upon the transformer windings design and the testing method being used.

It is not possible to accurately answer your questions via this forum.

Given your statement that all of the transformers are currently in service it is not feasible that there is anything critically wrong with the TTR otherwise the output voltage would be skewed and all equipment attached to the transformer(s) load side would be experiencing issues and/or failure.

I strongly suggest you contract with a reputable transformer testing vendor to analyze your testing method and results.