electrical noise generators

[roger25]

A few years back I remember seeing plans to build your own chattering relay (creates spikes on incoming line) and showering arc (generates high frequency emissions).
Anyone know where these may be available? I am willing to pay as they would help our company immensely. Thanks

 

[buzzp]

I have seen what your talking about but it did not use a relay. I do not have a source for your request. However, you can make a relay chatter by applying about half of the coil voltage (depends on size of contacts).

 

[OperaHouse]

An easy way would be to have your own relay race. Take two relays. Contacts of the first close and power the second relay. Second relay opens contacts that power the first relay. Two relays are used to give you a "mechanical" time delay.

 

[buzzp]

Operahouse has a good suggestion. I believe this is what happened in a circuit I was troubleshooting a while back. My above post was in reference to this 'troubleshooting' I did. Thanks for reminding me Operahouse.

 

[roger25]

Sorry, I may not have been clear enough.
ANSI C37.90a-1974 SWC Level C Chattering Relay Test
NEMA ICS 2-230 showering arc
Are standard specs to test electrical equipment for suseptability to electrical noise.
I was hoping to find the plans to build your own test station to generate this noise.
Any ideas? I know I've seen plans and schematics but at the time didn't think this was one of the important things in life I should save...
Thanks again.