Three SummersThree Summers

Adam’s MiscellaneousAdam’s Miscellaneous

Fermilab AdventuresFermilab Adventures

Who am I? What do I do?Who am I? What do I do?

I’m Adam Schreckenberger – for those I’m Adam Schreckenberger – for those who don’t know. who don’t know.

I work in EE Support across the parking lot I work in EE Support across the parking lot in the Transfer Gallery.in the Transfer Gallery.

I’ve worked here every summer since I’ve worked here every summer since 2005. 2005.

I build the parts that help physicists carry I build the parts that help physicists carry out their experiments here at the lab.out their experiments here at the lab.

EE SupportEE Support

Sometimes, people do not understand the Sometimes, people do not understand the amount of work and energy needed to run amount of work and energy needed to run a successful experiment. Aside from the a successful experiment. Aside from the theory, time needs to be taken to build and theory, time needs to be taken to build and manufacture a variety of complicated manufacture a variety of complicated components that can survive decades of components that can survive decades of use. Some of these parts, do not exist use. Some of these parts, do not exist elsewhere and are thus created here at elsewhere and are thus created here at the lab.the lab.

What happens?What happens?

Generally, physicists request a product that Generally, physicists request a product that adheres to specific guidelines. It is then up to adheres to specific guidelines. It is then up to the engineer to design parts and systems that the engineer to design parts and systems that make the apparatus function properly. After all make the apparatus function properly. After all that decision making, the designs are sent to the that decision making, the designs are sent to the technicians for construction. In-other-words, I’m technicians for construction. In-other-words, I’m at the end of the chain; however, a technician’s at the end of the chain; however, a technician’s creative edge often shines through all the turmoil creative edge often shines through all the turmoil – as I shall show you with my work.– as I shall show you with my work.

2005 - ORBUMP2005 - ORBUMP My first summer was My first summer was

dedicated to the dedicated to the ORBUMP Power ORBUMP Power Supply project. If Supply project. If you’re ever in the west you’re ever in the west side of the booster side of the booster ring, it’s the big, loud ring, it’s the big, loud blue box that goes, “ blue box that goes, “ ….-”….-”

ORBUMP consists of ORBUMP consists of several magnets that several magnets that generate a local orbit-generate a local orbit-bump. (Sorry that’s all I bump. (Sorry that’s all I know, back to the know, back to the power supply.) power supply.)

2005 - ORBUMP2005 - ORBUMPThe entire top rack of The entire top rack of this supply was my this supply was my responsibility, in responsibility, in addition to the building addition to the building of one resistor bank of one resistor bank and the testing of the and the testing of the four large crank four large crank inductors on the inductors on the middle rack.middle rack.The top rack of the The top rack of the supply holds the supply holds the “Crowbar” thyristor “Crowbar” thyristor stacks that electrically stacks that electrically tie the system to the tie the system to the ground/common. This ground/common. This prevents over-current prevents over-current conditions in the conditions in the power supply by short-power supply by short-circuiting the voltage circuiting the voltage source.source.

2005 - ORBUMP2005 - ORBUMP Here is one of my Here is one of my

Crowbars. Crowbars. The clamp in the The clamp in the

middle is a thyristor middle is a thyristor stack, which acts as a stack, which acts as a gate to the common gate to the common when triggered. when triggered. Thyristors are Thyristors are essentially diodes with essentially diodes with a fancy name, but they a fancy name, but they have 4 layers of p-n have 4 layers of p-n junctions.junctions.

The circuits at left are The circuits at left are snubber boards, which snubber boards, which suppress transients suppress transients (spikes) in the current.(spikes) in the current.

2005 - OSPI2005 - OSPI My real baby of the My real baby of the

year, though, was year, though, was the OSPI Snubber. I the OSPI Snubber. I designed this one all designed this one all by myself and I’m by myself and I’m proud to say it has proud to say it has been in tunnel been in tunnel operation since its operation since its manufacture.manufacture.

2006 - SMTF2006 - SMTF

More crowbars… this time though for the More crowbars… this time though for the SMTF Proton Driver and the ILC.SMTF Proton Driver and the ILC.

2006 - PITA2006 - PITA And then there was PITA. This device checks to make sure that the BPM And then there was PITA. This device checks to make sure that the BPM

connectors within the Pelletron are connected properly before the chamber connectors within the Pelletron are connected properly before the chamber is filled with SF6 (Sulfur hexaflouride). This device has a resolution of under is filled with SF6 (Sulfur hexaflouride). This device has a resolution of under 2.2 pF.2.2 pF.

2006 - PITA2006 - PITA

20072007

This summer, I have spent all of my time This summer, I have spent all of my time working on the Booster Correction working on the Booster Correction System, from the magnets themselves to System, from the magnets themselves to the circuitry that runs the power supply.the circuitry that runs the power supply.

2007 – My Cables2007 – My Cables

The cables, believe it The cables, believe it or not, are incredibly or not, are incredibly tedious to make, and tedious to make, and shockingly cost about shockingly cost about $100 with parts alone. $100 with parts alone. One gold plated pin One gold plated pin costs $1 – there are costs $1 – there are 38 pins in each cable 38 pins in each cable and 5 Burndy and 5 Burndy connectors – add in a connectors – add in a spool of 6 conductor spool of 6 conductor cable – and the price cable – and the price mounts pretty quickly. mounts pretty quickly.

2007 – Resistor Bank2007 – Resistor Bank

Here is a resistor Here is a resistor bank and relay bank and relay attachment I attachment I installed into one installed into one of the BCS power of the BCS power supplies. This supplies. This project required project required everything from everything from metal fabrication metal fabrication to wiring and even to wiring and even Klixon installation. Klixon installation.

2007 – BCS Supply2007 – BCS Supply

Pictures of the BCS Supply:Pictures of the BCS Supply:

20072007

Interestingly, this year they decided to Interestingly, this year they decided to trust me near the magnets for the system, trust me near the magnets for the system, and they are quite impressive. Each one and they are quite impressive. Each one contains six different magnet setups – contains six different magnet setups – vertical dipole, horizontal dipole, normal vertical dipole, horizontal dipole, normal quadripole, skew quadripole, normal quadripole, skew quadripole, normal sextipole, and skew sextipole. Each needs sextipole, and skew sextipole. Each needs to be wired into a power supply that to be wired into a power supply that controls the impact the magnet has on the controls the impact the magnet has on the beam line. beam line.

2007 - Magnets2007 - Magnets

2007 – Klixon Wiring2007 – Klixon Wiring

Once again, Once again, these devices these devices are temperature are temperature sensitive; sensitive; therefore, I had therefore, I had to wire Klixon to wire Klixon breakers from breakers from the magnets to the magnets to the supply. the supply.

2007 – Klixon Test2007 – Klixon TestKlixon Test Video

Projects to DateProjects to Date

ORBUMP: OSPI, Crowbars, Resistor ORBUMP: OSPI, Crowbars, Resistor Bank, RCRBBank, RCRB

KRS: Coils for MonitoringKRS: Coils for MonitoringSMTF/ILC: Crowbars v1 and v2, Base SMTF/ILC: Crowbars v1 and v2, Base

FabricationFabricationBCS: Daisy-Chains, Resistor Banks, BCS: Daisy-Chains, Resistor Banks,

Magnet Wiring, Klixon Installation, Magnet Wiring, Klixon Installation, Transformer Assembly.Transformer Assembly.

To Be Continued…To Be Continued…

I know the memories forged here will last for I know the memories forged here will last for eternity, and that the friendships made will last a eternity, and that the friendships made will last a lifetime. I look forward to continuing discussions lifetime. I look forward to continuing discussions with Roger on the subject of time, and I thank with Roger on the subject of time, and I thank you all for welcoming me to these meetings. you all for welcoming me to these meetings.

Speaking of time… I should probably end this Speaking of time… I should probably end this ridiculous presentation now. ridiculous presentation now.

See you yesterday, See you yesterday, AdamAdam