NSTX Center Stack Upgrade Calculations (NSTXU)


Design Point
Basis Information Design
Point Basis Memo


NSTXU Final Design Review
Calculation Summary (June 2011)


NSTXU Structural Design
Criteria (January 2016)


NOTE: Original NSTX Project Calculations found at:
http://nstx.pppl.gov/nstx/Engineering/NSTX_Eng_Site/Technical/General/Calculations/NSTX_Engr_Calcs.html


WBS

WAF's

Originator

Calculation Number/Revision

Subject

Finalized?

Proposed Reviewer(s)

Ready for FDR?

Analysis Files

Analysis Files

1  Torus
Systems








Computer

Folder

Global Model  Description,
Mesh Generation, and Results

1000 & 1206

Titus

NSTXUCALC100102
(Was formerly
NSTXUCALC 130101)
NSTXUCALC100103
DRAFT

Global Model  Description, Mesh Generation, and Results 
 Torques
to Lids & TF Teeth
 Legs
& Brace Hilti's
 Full
Load Inventory
 Pedistal Loads

YES 
APPROVED

Zhang

YES

ptitus64lt1.pppl.gov

c:\nstx\csu\global

Seismic Analysis


Titus

NSTXUCALC100200
NSTXUCALC100201 DRAFT

Calculate the
response of the NSTX upgrade to a a seismic
event and qualify the NSTX upgrade tokamak to the standards set for the
project by the DOE

YES 
APPROVED

Dahlgren

YES

ptitus64lt1.pppl.gov

c:\nstx\csu\seismic

Design Point Spreadsheet


Neumeyer

NSTXUCALC100300
Spreadsheet updated
link

This calculation provides a
selfconsistent description of the "design point" of the NSTX
Center Stack Upgrade, including physical dimensions of major features and
characteristics and ratings of major components.

YES  APPROVED

Various People

YES



BakeOut Evaluations


Titus/Zhang/ Brooks/ Jurczynski

NSTXUCALC100400

The purpose of this calculation
is to evaluate bakeout strategies for NSTX upgrade that will produce
acceptable temperatures at the tile surfaces (i.e. temperature approaching
350C and not damage insulation or structural components, particularly near
the PF1B mandrel/case.

YES  APPROVED

Various People

YES



Instrumentation Results
Evaluation


Titus

NSTXUCALC100500
DRAFT

The
benchmark instrumentation will produce data that will be evaluated after a shot
is complete. The results will then be compared with the DCPS algorithm
predicted values. It is the purpose of this calculation to evaluate the
instrumentation data as it becomes available.
















11 Plasma Facing
Components










First Wall Heat
Balance

1206 & 3200

Brooks

NSTXUCALC110100

Heat Balance  Includes:
 Size of Cooling Capabilities
 Divertor Tile Thermal Stresses

YES 
APPROVED

Zhang

YES

abrooks64pc1.pppl.gov

E:\ANSYS8\NSTX CSU\IBD_OBD ATJ Tiles\121213

First Wall General Tile Program

1001

Boales

NSTXUCALC110200
=> SUPERSEDED BY CALCS
1103 & 1104

General Tile Program  Inlcudes:
 Inner CS Casing Tile Stress






First Wall Final Tile Stress Analyses (ATJ Tiles)

1001

Tresemer

NSTXUCALC110300
NSTXUCALC110301

Stress
Analysis of the ATJ Tiles and Supports

YES  APPROVED

Myatt

YES



Fastener Analysis

1001

Brooks

NSTXUCALC110400 =>
COMBINED WITH
CALC1103







Armor

1001

Tresemer

NSTXUCALC110500

Analysis of Armor
Stresses

YES  APPROVED

Stevenson

YES



OBD Row 2 High Z Tiles


Tresemer

NSTXUCALC110600

Qualify
the OBD Row 2 High Z Tiles

YES  APPROVED

Brooks

YES



Halo Current Heating of IBDhs Thermal
Shims


Brooks

NSTXUCALC110700

Assess heating of the IBDhs
Thermal Shims from a halo current strike.


Ciummo




12 Vacuum Vessel










Disruption Analysis of VV &
Passive Plates

1002

Titus, et al

NSTXUCALC120101

Disruption Analysis Of Vacuum Vessel

YES  APPROVED

Zhai

YES

ptitus64lt1.pppl.gov

c:\nstx\csu\pp c:\nstx\csu\passivePlates

Dome/PF Stresses

1200

Titus

NSTXUCALC120200
=> DELETED. PART OF
CALC1207







Opera 2D Analysis

1202

Hatcher

NSTXUCALC120300

Using the 2D results
to drive 3D analysis

YES 
APPROVED

Brooks

YES



PF2 & PF3
Bolting, Bracket, & Weld Stress

1203

Titus

NSTXUCALC120400

Analysis of PF2 &
PF3 Bolts, Brackets, & Weld Stresses

YES  APPROVED

Zatz

YES

ptitus64lt1.pppl.gov

c:\nstx\csu\pf2_3

PF4 & PF5 Support
Analysis

1208

Titus

NSTXUCALC120500
NSTXUCALC120501
NSTXUCALC120502
Draft

PF4 & PF5
Supports Stress Analysis

YES  APPROVED

Zatz

*

ptitus64lt1.pppl.gov

c:\nstx\csu\PF45Sup

Aluminum Block
Analysis

1204

Titus

NSTXUCALC120600

Qualify the Aluminum Block
Bolting for upgrades and modifications proposed for the NSTX CS Upgrade

YES  APPROVED

Zatz

*

ptitus64lt1.pppl.gov

c:\nstx\csu\PF45Sup

Umbrella
Reinforcement Details

1205

Zhang

NSTXUCALC120700
NSTXUCALC120701

The purpose of this
calculation is to qualify the umbrella structure for increased loads and
needed modifications for the NSTX CS Upgrade

YES  APPROVED

Zatz

*

ptitus64lt1.pppl.gov

c:\nstx\csu\dome

Lid & Spoke
Assembly, Upper & Lower

1205

Titus/Smith

NSTXUCALC120801
NSTXUCALC120802

The purpose of this
calculation is to qualify the upper and lower lid assemblies.

YES  APPROVED

Zatz

*

ptitus64lt1.pppl.gov

c:\nstx\csu\lidflex

Pedestal Analysis

1205

Titus/Smith

NSTXUCALC120900
NSTXUCALC120901

The purpose of this calculation is to qualify the
stresses in Pedestal support for the centerstack
assembly. Additionally, the effect of the torsional stiffness of the
pedestal will be assessed.

YES  APPROVED

Zolfaghari
Zhang

YES

ptitus64lt1.pppl.gov

c:\nstx\csu\pedestal

Redesigned Vessel
Support Bracket

1677

Rogoff

NSTXUCALC121000
NSTXUCALC121001

The
purpose of this calculation is to evaluate the redesigned vessel support
Bracket

YES  APPROVED

Zatz

YES



Center Stack Upgrade

1200

Zhai

NSTXUCALC121100

Analysis of Secondary Passive Plate with Diagnostic cutout

YES  APPROVED

Titus

YES

smith64pc.pppl.gov

c:\nstx\ansys\ansys models
c:\nstx\opera models

RWM Coil Analysis

4501

Titus

NSTXUCALC121200

The purpose of this calculation
is to qualify the Resistive Wall Mode (RWM) Coils for Upgrade Loads and new
current made possible by the addition of new SPA power supplies.

YES  APPROVED

Woolley/
Heitzenroeder

YES

ptitus64lt1.pppl.gov












13  Magnets










130 General










Global Model 
Description, Mesh Generation, and Results



NSTXCALC130101
=> Relabeled to
NSTXUCALC100102 above







Maximum and Minimum Loads on the NSTX OH and PF Coils, and Coil
Groupings



NSTXCALC130200
=> (Relabeled to
NSTXUCALC100102 above







NSTX Force Influence
Matrix

1511

Hatcher

NSTXUCALC130301

Updated NSTX Force
Influence Matrix

YES  APPROVED

Titus

YES



DCPS TF Inner Leg
Torsional Shear Stress

5200

Woolley & Titus

NSTXUCALC130400
=> SUPERSEDED
BY CALC1320700







DCPS Moment Influence
Coefficients

5200

Woolley & Titus

NSTXUCALC130500

Calculation of
the moment influence coefficients to be applied to the PF currents

YES  APPROVED

Hatcher

YES

ptitus64lt1.pppl.gov

c:\nstx\csu\momentCoefficients

Title

5200

Woolley

NSTXUCALC130600







DCPS Check
Calculations


Titus

NSTXUCALC130700
DRAFT

This
calculation either provides pointers to the appropriate calculation or
includes additional algorithm calculations here. The algorithms have been
incorporated into a True Basis code that can run the algorithm evaluations
for the 96 GRD design point equilibria and other provided scenarios. This
can be used to check the DCPS implementation or find limiting equilibria
among the provided 96.


Stevenson




131 
Poloidal Field Coils










Analysis of NSTXU Poloidal Field
Coils (June 26, 2009 design)


Woolley

NSTXUCALC1310100 =>
SUPERSEDED BY CALC1310300







Poloidal Magnetic
Quantities for the February 2010 Provisional Design of the NSTX CS
Upgrade


Woolley

NSTXUCALC1310100 =>
SUPERSEDED BY CALC1310300







Poloidal Magnetic
Quantities for the May 2010 Provisional Design


Woolley

NSTXUCALC1310300

Update of the analysis of
poloidal magnetic fields and fluxes in (NSTXU CSU)

YES  APPROVED

Titus & Hatcher

YES



Qualification of friction
clamp to grip copper bar during PF1A winding setup


Mardenfeld

NSTXUCALC1310400

This calculation qualifies
the use of a friction clamp to grip a copper bar and apply load during
testing of winding equipment during setup for PF1A coil winding

YES

Sibilia




132  Toroidal Field
Coils










Coupled ElectromagneticThermal Diffusion Analysis


Titus

NSTXUCALC1320100
=> SUPERSEDED
BY CALC1320500







Coupled ElectromagneticThermal Analysis
(04202009)


Titus

NSTXUCALC1320200
=> SUPERSEDED
BY CALC1320500







OutOfPlane (OOP) PF/TF Torques on TF
Conductors in NSTX NSTXU


Woolley

NSTXUCALC1320300
NSTXUCALC1320301

Also Includes:
 Torque Equations for the Design Point

YES 
APPROVED

Titus

YES



Analysis of
TF Outer Leg


Zhang

NSTXUCALC1320401

Analysis of TF Outer Leg:
 Loads
at Knuckle Clevis
 Loads
& Moments on Ring
 Outer
Leg Insulation Bond Stress
 Umbrella
Reinforcement

YES 
APPROVED

Zatz

*

hzhangpc.pppl.gov

I:\NSTX_diamondbracing\V26_VVbuckling

TF Coupled Thermo
Electromagnetic Diffusion Analysis


Zhang

NSTXUCALC1320501
NSTXUCALC1320502

TF Coupled Thermo Electromagnetic
Diffusion Analysis
 Cooldown
of Flex
 Benchmark
of I^2t Calcs
 TF
Peak Temps at Corner

YES 
APPROVED

Zhai

YES

hzhangpc.pppl.gov

I:\NSTX_TF_diffusion

TF Flex Joint and TF Bundle Stub


Willard

NSTXUCALC1320600
NSTXUCALC1320601

TF Flex Joint and TF
Bundle Stub
Will include:
 Joint Electrical Contact Resistance
 Flex Stress for Inplane
and OOP Loads
 DLF for Disruption

YES 
APPROVED

Zolfaghari

YES



Maximum TF Torsional Shear


Titus

NSTXUCALC1320700
NSTXUCALC1320701

Maximum TF Torsional
Shear

YES  APPROVED

Woolley

YES

ptitus64lt1.pppl.gov

c:\nstx\csu\TFInnerLegTorque

TF Flag
Key

1304

Zolfaghari
Titus

NSTXUCALC1320801
NSTXUCALC1320802

Determination of
shear Forces Between the TF conductors and Insulation
and the G10 Insulating Crown.
 TF Teeth & Collar Stresses

YES  APPROVED

Willard
Zolfaghari

YES

azolfag64pc.pppl.gov

D:\NSTX\COIL\Magnetics & Structural\Centerstacktorque

Analysis of Knuckle
Clevis

1201

Titus

NSTXUCALC1320901

Analysis of stresses
on knuckle clevis

YES  APPROVED

Zhang

*

ptitus64lt1.pppl.gov

c:\nstx\csu\TFClevis

TF Cooldown Using FCOOL

1201

Zolfaghari

NSTXUCALC1321000
NSTXUCALC1321001

Estimate of the
cooling time and temperature of the TF inner leg during the cooling period
between discharges

YES  APPROVED

Kalish

YES

azolfag64PC.pppl.gov

C:\Users\azolfagh\Documents\fcoolprogram\NSTXTFInnerLegCooling

Ring Bolted Joint

1201

Rogoff

NSTXUCALC1321100

This analysis is performed in order to check and design the
joint integrity by selecting and specifying the necessary bolts

YES  APPROVED

Zatz

YES

p:\public\snpsrv\progoff\

NSTXUCALC1321100LapJoint

TF Outer Leg Clamp Assembly

1201

Rogoff

NSTXUCALC1321200

This analysis is
performed in order to check and verify the design integrity by selecting
and specifying the necessary pins and support brackets .

YES  APPROVED

Zatz

*



TF Coil Inductance

1201

Neumeyer

NSTXUCALC1321300

This analysis provides the
inductance of the TF coils for the upgrade.

YES  APPROVED

Hatcher

YES



TF Strap Assembly Fingers

1304

Dudek

NSTXUCALC1321400

NSTXU TF leaad
flag extensions support brackets were originally modeled in CALC13206.
Results indicated parts needed to be more robust to withstand loads.
Geometry has been iterate and a new calc to
document results

YES  APPROVED

Titus

YES



TF Lead Flag Extensions &
Connectors

1304

Titus

NSTXUCALC1321500
NSTXUCALC1321501
Draft

This calculation is to qualify
the TF lead flag extensions as part of a larger calc
NSTXUCALC1320600

YES  APPROVED

Zatz

YES



133  Center Stack










Structural
Analysis of the PF1 Coils & Supports

1306

Myatt
Zolfaghari

NSTXUCALC1330101
NSTXUCALC1330102

Structural
Analysis of the PF1 Coils & Supports

YES  APPROVED

Brooks & Zolfaghari
Titus

YES

azolfagh64pc1.pppl.gov

C:\NSTX\COIL\mag & struc\internal
PFs

Thermal Stresses on
OHTF Coils


Avasarala

NSTXUCALC1330200
=> SUPERSEDED
BY CALC1330800







Center Stack Casing
Disruption Inductive and Halo Current Loads

1307

Titus

NSTXUCALC1330300

Centerstack Casing and Lower Skirt Stress Summary

YES  APPROVED

Brooks & Zolfaghari

YES

ptitus64lt1.pppl.gov

c:\nstx\csu\case

OH Preload System
& Belleville Spring Design

1302

Rogoff

NSTXUCALC1330400
* Note: P Titus signed calc in place of
J. Chrzanowski

OH Preload System and Bellville
Spring Design

YES 
APPROVED

Kozub via Test

YES

p:\public\snpsrv\progoff\

NSTXUCALC1330400 Belleville

Halo Current Analyses of Center Stack Casing

1307

Brooks

NSTXUCALC1330500
NSTXUCALC1330501

Calculate the transient halo current distribution in the CS

YES  APPROVED

Titus

YES

abrooks64pc1.pppl.gov

L:\ANSYS2\NSTX CSU\CS Halo\cshalo02r5

OH Coolant Hole
Optimization

1305

Zolfaghari

NSTXUCALC1330600

Estimate the
temperature rise in the OH coil during the discharge and to estimate
cooling time between discharges

YES 
APPROVED

Mardenfeld

YES

azolfag64PC.pppl.gov

C:\Users\azolfagh\Documents\fcoolprogram\NSTXOH

OH Coax Lead Analysis

1305

Mardenfeld

NSTXUCALC1330700
Addendum

Qualify those components providing an electrical path between
the bus bars and the main body of the OH coil, i.e., the coaxial cable,
electrical connectors, and embedded coil leads.

YES  APPROVED

Zolfaghari

YES

C:\Users\azolfagh\Documents\fcoolprogram\NSTXOH

E:\mardenfeld\04 NSTX Upgrade OH Coil\Ansys

OH Stress Analysis

1305

Zolfaghari

NSTXUCALC1330800
NSTXUCALC1330801


YES  APPROVED

Mardenfeld

YES

azolfag64PC.pppl.gov

D:\NSTX\COIL\Magnetics &
Structural\Axisymmetricplanecoildetails\ANSYSAnalysisnetics
& Structural\Axisymmetricplanecoildetails\ANSYSAnalysis…..

OH Fatigue &
Fracture Mechanics

1305

Feng & Titus

NSTXUCALC1330900

OH Conductor Fatigue and Fracture Mechanics Analyses

YES  APPROVED

Zatz

YES



Center Stack Casing
Bellows

1307

Rogoff & Brooks

NSTXUCALC1331000

·
CS Casing Halo Inductive & Resistive
Loads
·
CS Casing Static & Dynamic Loads

YES  APPROVED

Zatz

YES

p:\public\snpsrv\progoff\

NSTXUCALC1331000Bellows

OH & PF1 Electromagnetic Stability Analysis

1307

Titus & Zolfaghari

NSTXUCALC1331100

Demonstrate that the structural
elements that center the centerstack are stiff
enough to overcome magnetic instabilites between
the OH and PF1a, and b which are mounted on the centerstack
casing

YES  APPROVED

Zolfaghari

YES

ptitus64lt1.pppl.gov
azolfag64PC.pppl.gov

\nstx\csu\magstab
C:\Users\azolfagh\Documents\Ansoft

Center Stack
Manufacturing Fixture



NSTXUCALC1331200







Modal Analysis and Normal
Operation Transient Load Effects


Titus

NSTXUCALC1331300

Ensure that the normal operational
transients do not introduce structural dynamic effects that could increase
the static loading in evaluations being used for the coils and global
structure.

YES  APPROVED

Dahlgren

YES

ptitus64lt1.pppl.gov

\nstx\csu\magstab

OH Stress and Segmented OH
Influence Coefficients for the DCPS


Titus

NSTXUCALC1331400

This document is a calculation
of stress influence coefficients for the mid height of the OH and those
needed to address the PF1aOH interaction

YES  APPROVED

Gerhardt/
Zolfaghari/
Wooley

YES

ptitus64lt1.pppl.gov

\nstx\csu\axisym\OHPF1aInteraction

Analysis of the PF1C
mandrel/Case CHI Gap thermal response including thermal shield design


Titus

NSTXUCALC1331500

The purpose of this calculation
is to provide guidance on initial design and qualification of the PF1c
outer mandrel shell.

YES  APPROVED

Zatz

YES



NSTXU OHTF Aquapour
Interaction


Titus/Brooks/
Zhang

NSTXUCALC1331600

The
purpose of this calculation is to assess effects of retaining the Aquapour material in what was to be a gap between the
TF and OH coils.

YES  APPROVED

Zatz/Titus

YES



NSTXU OH Cooldown System and
Preheater


Titus

NSTXUCALC1331700

The purpose of this calculation
is to provide guidance on initial design and qualification of the final OH
Cooldown System. This includes the coil winding pack thermal stresses for
the original cooldown temperature sequence – which was essentially a thermal
shock, and for a new ramped thermal profile that mitigates the consequence
of extreme thermal gradients.

YES  APPROVED

Various

YES



PF1a Upper and Lower Replacement
Stress Analysis


Titus

NSTXUCALC1331800

The first purpose of this
calculation is to qualify the design of the new (Fall 2016) PF1a coil
design This will include assessments of the normal pulse loading, cooldown
behavior and the qualification tests. Additionally this calculation
includes evaluations of possible causes of the failure of PF1a upper. The
coil postmortem should provide a definitive conclusion as to the cause.

DRAFT





Reorienting
the NSTXU CS Casing from horizontal to vertical or visa
versa


Mardenfeld

NSTXUCALC1331900

This calculation qualifies that
reorienting the NSTXU CS Casing from Horizontal to Vertical, or visa versa, will not overstress
the tiles due to imposed displacements from
net beam bending behavior of the Casing.






OH
grounding strap and CS Casing Copper Cooling Tube Evaluations


Brooks

NSTXUCALC1332000

The
purpose of this calculation is to evaluate currents induced in the OH
ground strap as installed and as upgraded. Additionally induced currents in
the centerstack casing inner divertor
vertical section copper cooling tubes are calculated. These tubes have either failed under load, been crushed, or failed due to
corrosion.

DRAFT





TF
and OH Gap Electric Field Strength Distribution


Que

NSTXUCALC1332100

In
order to evaluate the “Aquapour” and four wires
effects to the TF and OH coil insulation system, the static electric field
analysis using Maxwell has been performed.


Brooks




2  Plasma Heating
& Current Drive










Vessel Port ReWork for NB
& Thomson Scattering Port

2480/4500

Willard

NSTXUCALC240100

Includes:
 Neutral Beam Reinforcement
 Thomson Scattering Port

YES  APPROVED

Zolfaghari

YES



Armor Backing Plate

2460

Bryant

NSTXUCALC240200

Includes:
 Disruption Loading
 Thermal Stress Analysis

YES  APPROVED

Zatz & Titus

YES

p:\public\snpsrv\bryant_Larry\

NEUTRAL BEAM ARMOR CALCULATION

HHFW Antenna


Zhang

NSTXUCALC240301

Includes:
 Verification of the eddy current effect on antenna during
plasma disruption.
 Then was
modified to simulate plasma disruption case for NSTX upgrade. Only midplane
disruption is considered and VDE is not included.

YES  APPROVED

Hatcher

YES

hzhangpc.pppl.gov

D:\HHFW

Turbo Pump Magnetic Shielding Analysis

2485

ZhaI

NSTXUCALC240400

Includes 3D analysis
for the design opf the magnetic shield for the
NSTXU Turbor Pumps.

YES  APPROVED

Zolfaghari

YES

yzhai64pc1.pppl.gov

E:\yzhai64pc\C Drive\NSTX\Opera Models\Turbo Pump Shielding

Stress Analysis of
Bay L and 2nd NBI Upgrade

4500

Atnafu

NSTXUCALC240500

To analyze the stress
on the NSTX vacuum vessel due to the vacuum pressure, the PF 4&5 Coils
EM loads and the moment caused by the TFOL Coils. To understand the
mechanical behavior and estimate the stress in the modified vacuum vessel.
To validate the design of the bay L and 2^{nd} Neutral Beam
modifications

YES  APPROVED

Zhang

YES



SFLIP Port Stress
Analysis

2480

Zhang

NSTXUCALC240600

To analyze the stress
on the SFLIP port added to the vessel at the midplane
between Bays J and I.

YES  APPROVED

Titus

YES

hzhangpc.pppl.gov

I:\NSTX_baKJ_cap











3  Auxiliary Systems










This
calculation determines the ohmic resistance of
the NSTX CSU center stack casing, and therequirements
for a power supply capable of supplying 5kW of heat to same during bakeout.

3300

Dudek

NSTXUCALC330100

During bakeout a current shall be injected at the bottom of
the center stack casing (CSC) which shall flow up through the center stack
casing, through four jumpers to the outer vacuum vessel (VV) upper dome,
down through the VV dome to the cylinder, down through the VV cylinder,
down through the lower VV dome, and out.

YES  APPROVED

Ramakrishnan

YES













4  Plasma
Diagnostics










Diagnostic Review & Database

2300

Boales

NSTXUCALC400100

Surveyed the existing NSTX diagnostics
and identified any components that would be sensitive to the increased
thermal and electromagnetic loading
planned for the upgrade. Also qualified the diagnostics and diagnostic
shutters for any larger disruption loads, heat loads, and any other factors
that may present a problem to the function of the
diagnostic systems.

YES  APPROVED (Note: R. Kaita signature needs to be
updated)

Zhai

YES



EM forces on BES
Reentrant Tube Assembly

4100

Brooks

NSTXUCALC400200

Calculate the EM loads on the BES
Reentrant Tube Assembly during a plasma disruption.

YES  APPROVED

Titus

YES



Resistive
Bolometer/AXUV Diode Shutter Bowing

4100

Ellis

NSTXUCALC400300

The purpose of this calculation is to
evaluate shutter deformations when exposed to radiative heating from the
plasma for a full 5 second pulse.

YES  APPROVED

Titus

YES



Resistive Bolometer
Disruption Load Analysis


Zhang

NSTXUCALC400400

The purpose of this calculation is to
evaluate the disruption load and stresses on the flange.


Titus




5  Power Systems










Modification of the
TF Coil Power System PSCAD Model

5000

Nayak
Corporation

NSTXUCALC530100

Evaluates the change
in the TF circuits from four parallels to eight parallels to meet the upgrade
requirement of 130kA

YES  APPROVED

Que

YES



Modification of the
OH Coil Power System PSCAD Model

5000

Nayak
Corporation

NSTXUCALC530200

Evaluates the change
in the TF circuits from four parallelsto eight
parallels to meet the upgrade requirement of 130kA

YES  APPROVED

Que

YES



TF Cabling from the
Transition Area to NSTXU Test Cell

5000

Neumeyer

NSTXUCALC530300

The TF circuit is to be changed from four parallels to eight
parallels to meet the upgrade requirement of 130kA. Eight 1/c1000 mcm
cables are proposed to be used in each leg of the TF circuit for the run
from Transition Area to the NSTX
Test Cell.

YES  APPROVED

Ramakrishnan

YES



TF Cabling from the
Rectifiers to SDS

5000

Neumeyer

NSTXUCALC530400

The TF circuit is to be changed from four parallels to eight
parallels to meet the upgrade requirement of 130kA. Three 1/c750 mcm
cables are proposed to be used per pole in FOUR power supply branches of
the TF circuit for the run from the Rectifiers to the Safety Disconnect
Switches.

YES  APPROVED

Ramakrishnan

YES



Current Unbalance in
the Eight Parallel Branches s

1540

Ramakrishnan

NSTXUCALC530500

To
determine the current unbalance in the eight parallel branches if a common
firing angle command is issued to all rectifiers.

YES  APPROVED

Hatcher

YES



CHI Bus Bar Analysis

5501

Titus

NSTXUCALC540100

CHI Bus Bar Analysis

YES  APPROVED

Khodak

YES

ptitus64lt1.pppl.gov
p:\departments\mech Engr\ptitus

c:\nstx\csu\chibus

Bus Bar Analysis

5501

Khodak

NSTXUCALC550100
NSTXUCALC550101
NSTXUCALC550102

Documented Structural Analysis
of PF1, TF, and OH bus bars

YES  APPROVED

Titus

YES



Bus Bar Analysis

5501

Titus

NSTXUCALC550201

PF 2,3 Bus Bar Analysis

YES  APPROVED

Khodak

YES



Lead and flex cable
reinforce

5501

Titus

NSTXUCALC550300

PF1A Lead and Flex Cable
Reinforcements

YES  APPROVED

Khodak, Zatz, Mardenfeld, Zolfaghari

YES



6  Central I&C
Systems




















7  Project
Management & Physics










71  Project Mgmt & Integration




















72  Project Physics









