<html><body><div style="font-family: tahoma,new york,times,serif; font-size: 14pt; color: #009900"><div>thanks onish<br></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Tyler Lemon" <tlemon@jlab.org><br><b>To: </b>"dsg-hallb magnets" <dsg-hallb_magnets@jlab.org>, "Onish Kumar" <okumar@jlab.org><br><b>Sent: </b>Thursday, September 14, 2017 10:10:22 AM<br><b>Subject: </b>[Dsg-hallb_magnets] Fwd: Question regarding current fastDAQ data from Solenoid fast dump on Sept 13, 2017<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000" data-mce-style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000;"><div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000" data-mce-style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000;"><div>Thank you, Onish, for your reply.<br></div><br><div>Best regards,<br></div><div>Tyler<br></div><br><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>From: "Ruben Fair" <rfair@jlab.org></strong></span><br><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>To: "Tyler Lemon" <tlemon@jlab.org></strong></span><br><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>Sent: Thursday, September 14, 2017 9:53:00 AM</strong></span><br><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>Subject: Fwd: [Dsg-hallb_magnets] Question regarding current fastDAQ data from Solenoid fast dump on Sept 13, 2017</strong></span><br></div><br><div><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000" data-mce-style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000;"><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>From: "Onish Kumar" <okumar@jlab.org></strong></span><br><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>To: "Ruben Fair" <rfair@jlab.org></strong></span><br><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>Sent: Thursday, September 14, 2017 9:52:07 AM</strong></span><br><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>Subject: Re: [Dsg-hallb_magnets] Question regarding current fastDAQ data from Solenoid fast dump on Sept 13, 2017</strong></span><br></div><br><div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000" data-mce-style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000;"><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>Hi Ruben,</strong></span><br></div><br><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>The reason I could think of this spike in current is due to the bouncing of the dump switch and loss of the return path. Due to loss of the return path PS try to regulate and hence PID try to compensate by overshooting which will also explain the DC Overload Fault at the interlock screen.</strong></span><br></div><br><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>Thanks,</strong></span><br></div><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><strong>Onish</strong></span><br></div><br></div></div></div></div></div><br></div></div><br>_______________________________________________<br>Dsg-hallb_magnets mailing list<br>Dsg-hallb_magnets@jlab.org<br>https://mailman.jlab.org/mailman/listinfo/dsg-hallb_magnets<br></div></div></body></html>