setup: - fermilab · web viewtim mckenna 2/7/2017 td/pe x5563 reviewed by: luciano elementi...

TD / Process Engineering Specification # 5520-OP-464355February 7, 2017

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SPLIT QUAD MAGNET POLARITY TESTING OPERATING PROCEDURE (SPQA)

Date OrganizationExtension

Prepared by: Tim McKenna 2/7/2017 TD/PE X5563

Reviewed by: Luciano Elementi

2/7/2017 TD/SYS&AUT X6767

Reviewed by: Alexander Makarov

2/7/17 TD/MS X4734

Approved by: Guram Chlachidze

2/7/17 TD/MS X4622

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Revision History

Revision Date Section No.

Revision Description

1.0 02/7/2017 All Initial Release

Review History

The review period for this document is two years.

Revision Date Comments1.0 02/7/2017

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TABLE OF CONTENTS1.PREFACE...................................................................................................................................................................4

2.MATERIALS REQUIRED TO COMPLETE THIS PROCEDURE...................................................................4

3.POLARITY CHECK.................................................................................................................................................5

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PREFACE: This procedure describes the use and illustrates the results of measuring the SPQA Splittable Quadrupole via the Polarity Checker initially designed for the BMA series of magnets.

1. The testing probe has been modified to include only four sensors, enough to determine polarity and strength of the magnet, yet sufficiently small to be inserted in the magnet aperture. The software has not been modified.

2. If any of the testing does not match criteria listed in the testing procedure contact the project leader.

Note: The total resistance of the Horizontal and Vertical Dipole at room temperature is about 13 Ohms.The total resistance of the Quadrupole at room temperature is approximately 100 Ohms.

Note: Ensure magnet lead labels are firmly installed prior to polarity testing themagnet.Label are as follows;a. HD +; HD -b. VD +; VD –c. Q +; Q –

3. MATERIALS REQUIRED TO COMPLETE THIS PROCEDURE.a. Split Quad Magnet Polarity Test Cart.b. Magnet lead labels.c. Fluke 77 DMM or equivalent.d. SPQA Wooden base fixture.e. Power Supply set to 40Volts, 250mA

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Procedure1. Ensure that the orientation of the magnet is as in Figure 1. (Make sure the magnet is set

on top of the SPQA wooden base test fixture).2. Ensure the two splice leads for each of the coils are spliced together.3. Create an Excel file with the name to include the testing date and the magnet serial#.

(Ensure the file is saved as a .xls file).4. Left click the file path button and set the file path to the.xls file you created in step #3.5. For the first test ensure the “Append (New File)” is set to New file. For subsequent

testing ensure the button is set to “Append to file”.6. Connect the equipment as in the attached schematic of Figure 3 ensuring to

observe proper power supply polarity (Red=+, Black= -) and ensure all the polarities are properly connected and secure with the designated clips.

7. Ensure that the orientation of the magnetic probe is as in Figure 2. The arrow on probe #4 should point to the magnet leads.

8. The Power Supply setting is set to 250 mA with a maximum voltage of about 40V. 9. Run the program located on the desktop (Polarity_checker5.vi).10. Once the program is running reset the Watch Dog on the Polarity Tester Box (in the

front) prior to applying power to it. The watchdog light in the front should go off.11. Apply power and select the Horizontal Dipole from the selection. Left click on “Start

Test” button then verify the test result. Check for consistency of shape, position of the peaks, and magnitude. See Figure 4.

12. Select the Vertical Dipole from the selection. Left click on “Start Test” button then verify the test result. Check for consistency of shape, position of the peaks, and magnitude. See Figure 5.

13. Select the normal Quadrupole from the selection. Left click on “Start Test” button then verify the test result. Check for consistency of shape, position of the peaks, and magnitude. See Figure 6.

14. Upload test results into the traveler.

Note: If lead polarity labels are removed for any reason, then polarity testing must be completed again to verify lead polarity.

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Figure 1: Standard Orientation for measuring

Figure 2: Probe Orientation: Notice that ‘1’ is on top and that the probe is inserted from the magnet lead end. Notice that ‘4’ is pointing to the Magnet Power Leads.

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Figure 3: Schematic of connections

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Figure 4: Standard Horizontal Dipole ResultEqually positive at ‘1’ as negative at ‘7’

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Figure 5: Standard Vertical Dipole ResultEqually positive at ‘4’ as negative at ‘10’

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Figure 6: Standard Quadrupole ResultEqually positive at ‘4’ and ’10’

as equally negative at ‘1’ and ‘7’

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Figure 7: Possible comprehensive overview of a set-up for the equipment

Figure 8: Possible comprehensive overview of a set-up for the equipment

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Figures 9: Lead labels closest to magnet

Figures 10: Lead labels Closest to magnet

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Figures 11: Lead labels at the wire ends

Figures 12: Lead labels at the wire ends

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setup: - fermilab · web viewtim mckenna 2/7/2017 td/pe x5563 reviewed by: luciano elementi...

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