[Dsg-hallb_magnets] Hall B Solenoid - Troubleshooting Fast Dump Initiation Events v1

[Brian Eng]

I've attached the data files to the logbook entry: https://logbooks.jlab.org/comment/17568#comment-17568

Direct link: https://logbooks.jlab.org/files/2018/10/3609881/e-stop.zip

----- Original Message -----
> From: "Amrit Yegneswaran" <yeg at jlab.org>
> To: "dsg-hallb magnets" <dsg-hallb_magnets at jlab.org>
> Sent: Monday, October 15, 2018 11:05:28 PM
> Subject: Re: [Dsg-hallb_magnets] Hall B Solenoid - Troubleshooting Fast Dump Initiation Events v1

> brian/tyler
> is it possible to have the three plot (i, idcct1, vt) on a single graph for each
> of the dumps with the same time scale x axis?
> amrit
> 
> From: "Brian Eng" <beng at jlab.org>
> To: "Ruben Fair" <rfair at jlab.org>
> Cc: "Sarin Philip" <philip at jlab.org>, "Bob Miller" <rmiller at jlab.org>,
> "dsg-hallb magnets" <dsg-hallb_magnets at jlab.org>, "Onish Kumar"
> <okumar at jlab.org>
> Sent: Monday, October 15, 2018 4:43:28 PM
> Subject: Re: [Dsg-hallb_magnets] Hall B Solenoid - Troubleshooting Fast Dump
> Initiation Events v1
> 
> Forgot to send logbook entry to email comparing fast dumps between the magnets.
> 
> https://logbooks.jlab.org/entry/3609881
> 
> Quick observations:
> - Noise at steady state (~0.6 V pk-pk) is similar between the two. Solenoid
> actually has less spikes, which we'd expect since it has the 60 Hz notch filter
> and the Torus doesn't.
> - The IDCCT falls off much faster initially for the Torus compared to the
> Solenoid (is that expected because of the inductance?)
> 
> Let me know if you'd like to see anything additional (more/less zoom, different
> VTs, etc) that I can add.
> 
> ----- Original Message -----
>> From: "Ruben Fair" <rfair at jlab.org>
>> To: "Nick Sandoval" <sandoval at jlab.org>, "Brian Eng" <beng at jlab.org>, "Amanda
>> Hoebel" <amandah at jlab.org>, "Tyler Lemon"
>> <tlemon at jlab.org>, "Renuka Rajput-Ghoshal" <renuka at jlab.org>, "Probir Ghoshal"
>> <ghoshal at jlab.org>, "Onish Kumar"
>> <okumar at jlab.org>, "Pablo Campero Rojas" <campero at jlab.org>, "Scot Spiegel"
>> <spiegel at jlab.org>
>> Cc: "Sarin Philip" <philip at jlab.org>, "Bob Miller" <rmiller at jlab.org>
>> Sent: Monday, October 15, 2018 4:33:09 PM
>> Subject: Hall B Solenoid - Troubleshooting Fast Dump Initiation Events v1
> 
>> All,
>> 
>> Here are the action items from this afternoon's meeting
>> 
>> Scot,
>> 
>> Sorry we missed you off the invitation list.
>> 
>> Bob,
>> 
>> Before we engage Danfysik, we have to gather sufficient data to be reasonably
>> sure that it is the PSU and not something else causing these trips.
>> 
>> Ruben
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