Some transformers work fine when powered from sec

ECN Shout Chat

Give a Shout Out!

ShoutChat

Who's Online Now

1 members (Scott35), 468 guests, and 12 robots.

Key: Admin, Global Mod, Mod

Print Thread

Rate Thread

Some transformers work fine when powered from sec

#215683 07/01/15 12:57 PM

Joined: Jul 2004

Posts: 787

Winchester, NH, US

L

LarryC

OP

Member

Why do some transformers work just fine when powered from the secondary and other don't?

I was using a small (500VA) 240 to 120 step down transformer as a step up for a small load, and I could only get 200V when powering the 120V winding with 120V.

Stay up to Code with the Latest NEC:

>> 2023 NEC & Related Reference & Exam Prep

Pass Your Exam the FIRST TIME with the Latest NEC & Exam Prep

>> 2020 NEC & Related Reference & Study Guides

Entire Thread
Subject	Posted By	Posted
Some transformers work fine when powered from sec	LarryC	07/01/15 04:57 PM
Re: Some transformers work fine when powered from sec	ghost307	07/01/15 05:56 PM
Re: Some transformers work fine when powered from sec	JoeTestingEngr	07/02/15 04:45 AM
Re: Some transformers work fine when powered from sec	gfretwell	07/02/15 07:55 AM
Re: Some transformers work fine when powered from sec	LarryC	07/02/15 10:13 PM
Re: Some transformers work fine when powered from sec	shortcircuit	07/03/15 03:37 AM
Re: Some transformers work fine when powered from sec	LarryC	07/04/15 03:41 AM
Re: Some transformers work fine when powered from sec	quickspark	02/09/21 05:06 AM

Moderated by dougwells, electure, gfretwell, HotLine1, Scott35, Trumpy

Link Copied to Clipboard

Featured:

Electricians
Slate Coasters

* * * * * * *

Tools for Electricians

* * * * * * *

2023 NEC + Exam Prep Study Guides Now Available!

Member Spotlight

waymag
dallas, texas, USA

Posts: 70
Joined: January 2002

ECN Forum Forums Technical Discussion Electrical Theory and Applications Some transformers work fine when powered from sec