E. Joffrin 22 th Nov. 2010

1Joffrin / 18-11-2010 / GPM2 Joffrin / 18-11-2010 / GPM2

E. Joffrin22th Nov. 2010

Organisation of Organisation of JET OperationJET Operation


Welcome to the

Session Leader Training

Tutor/lecturers. P. Lomas (POG GL, ESL)F. Rimini (CSU program ESL)I. Nunes (CSU Ops group fully qualified)S. Jachmich (POG, fully qualified SL)P. De Vries (DTFL E1, fully qualified SL)E. Joffrin (DTFL E2, ESL)

Local organisation: J. Dalton (K1/1/109)Offices: J. Waghorn (K1/1/09)


Monday 22nd Tuesday 23rd Wednesday 24th Thursday 25th Friday 26th

9:00 Organisation of JET operation

Plasma position and current control

Plasma real time Control and protection

Protection for the ITER-like Wall

Additional heating capabilities

9:30 NBI

10:00 Plasma Operation Introduction

Diagnostic capability for SLs.

Plasma scenariosBaselineHybrid

10:30 Engineering limit to operation

Steady state LHCD

11:00 Preparation of a session Recognising and identifying problems and

causes

ICRH

11:30 Plasma operation I The new ITER-like Wall in-vessel components

Other scenario tools

12:00 Other in-vessel hardware Questions and answer of the control room

exercise part I

12:30

13:00 Meal break Meal break Meal break Meal break Meal break

13:30

14:00 Plasma Operation II Control room Control room Control room Questions and answer of the control room exercise part II

14:30 Practical Training Practical Training Practical Training What happens next

15:00 Plasma gas and density feedback

15:30

16:00 Introduction to the control room training

16:30

17:00

17:30

18:00

Training agenda

Control room


EFDA Associations

Steering Committee

EFDA Associate Leader for JET

Head of Close Support Unit (CSU) CulhamFrancesco Romanelli

OPERATIONUK Atomic Energy Authority

(400-500 personnel)

SCIENTIFIC WORKCSU

(~300 physicists)

ENHANCEMENTSCSU

(~35 staff)

Organisation & Management

Responsible for use of JET facilities: experiments, shut-downs, enhancements

Responsible for planning and execution of experiments

Responsible for operations, safety, plant protection…


Scientific/ Technical

JET EFDA CSU

JET Operation

CC

FE / O

pera

tor

EiC

SLSCDC

CCFE senior manager for JET

ATO holder

Chief enginee

r

Control room staff

Task Forces

Associations

Work programm

e (JPEC)

Coordination/operation

meeting


The Control Room Local Rules

What are these for?• Specify working arrangements and duties in particular areas• Provide link between plant safety case and working level arrangementsDefine in some detail the roles of the Senior Management Team:

• Engineer in Charge

• Session Leader

• Scientific Co-ordinator

• Diagnostic Co-ordinatorhttp://users.jet.efda.org/pages/torus-ops/pages/local-rules/index.html


JET control room


SL

EiC

SL2 (trainee)

DC

CR senior management team

SC


The Role of the Engineer in ChargeThe Engineer in Charge (EiC) is primarily responsible for: Safety of Personnel The safe operation of JET The co-ordination and final approval of all activities in operational areas.

The position is wholly within the operator and reports to: The Chief Engineer Holder of the Authority To Operate (ATO) Ultimately to the Facility Senior Manager.

Assisted by: Power Supply Operation Engineer (PSOE), CODAS Duty Officer (CDO), subsystem shift leaders (NBSL, RFSL, …) and pilots, the shift technician and Incident Response Officer.

Note: the EiC has the ultimate responsibility to ensure that operation is within JOIs. He may decline to execute a pulse which he believes might lead to the violation of these limits.


EIC

SLSL2DC

RP+SC

PDO

CDOST

PSO

E

NB

SL

LHSL

RFSL

PLSL

Diagnotics RO

Control room layout

Diagnotics RO

The SL interacts during the session with a large number of people. Good preparation of a session is therefore mandatory (see F. Rimini’s course)

CO


The Role of the Diagnostic Co-ordinator

The Diagnostic Co-ordinator (DC) is primarily responsible for:-• Co-ordinating and monitoring the operation of required diagnostics.• Shares responsibility with SC and DC for best use of operational time.• Proper operation of diagnostics within Operation Instruction limits.

The position reports to:• The Task Force Leader (or deputy) • Diagnostic fault reporting via Co-ordination Meeting (Operations).

The DC will be an expert in fusion research and will be familiar with JET diagnostics

Before, defines diagnostic requirements with SL and SC, communicates with Task Force D Co-ordinators and iterates.During, ensures optimum settings of diagnostics, monitors data quality, interprets data, activates preliminary data validation, updates summary display, calls out staff to fix problems, reports faults.After, reports on diagnostic performance, summarises preliminary data validation and interpretation, identifies shots for further analysis


The Role of the Scientific Co-ordinator

The Scientific Co-ordinator (SC) is primarily responsible for:-• Efficient scientific exploitation of an experiment.• Shares responsibility with the SL for effectiveness of the programme.

The position is wholly within the Task Force and reports to:-• The Task Force Leader (or deputy)• Ultimately (via the CSU) to the Associate Leader for JET.

The SC will be an expert in fusion research but not necessarily experienced in the operation of JET

Before, co-ordinates preparation with SL, DC and TFLDuring, monitors scientific progress and steers scientific directionAfter, reports progress and supervises long term analysis and publication

If SC not rostered responsibilities are transferred to Session Leader


The Role of the Session Leader

The Session Leader (SL) is primarily responsible for:- Detailed specification, preparation and execution of the session. Shares responsibility with SC for effectiveness of the programme. Particular “duties of care” to UKAEA in operation of JET.

The position reports to:•The Task Force Leader (or deputy) on scientific issues.•Co-ordination Meeting (operations) on technical issues.

Session leaders will be an expert in fusion research and skilled in the operation of JET

Before, Transforms scientific outline into an executable pulse schedule, ensures necessary resources available and all approvals in place.During, oversees the execution of the experiment, specifies the series of pulses required, ensures that these are designed compliant with Operation Instructions (JOI), communicates these requirements to the EiC and maintains the pulse log.After, completion of Session Report, assists SC in drawing conclusions of the session, reports operational difficulties.


Duty of care to CCFEIn order to promote efficient and effective conduct of safe operations, SL has a “duty of care” to assist the EiC in avoiding plasma operation which might hazard the machine or which could lead to a violation of JET operation Instructions (JOIs).

SL: the first line of defence

QualificationSLs are required to be skilled in the operation of JET. Qualifications and experience of potential session leaders will be reviewed and accepted by the Operator list of expert (ESL), fully qualified, and part-qualified session leaders is maintained in the level 1 system

Limit Avoidance in

control

Prepulse Checks (EiC)

Schedule

Validation

Session Leader “good

practice”

Limits and trips at power

supplies or at the coils

Duties of the Session Leader


TRAINEE SESSION LEADERRecord Sheet

Name ______________ Affiliation ______________

Date Session Leader1 (SL1)

Comment

SL_trainee_1.dot, page 2.

Uncon

trolle

d

Uncon

trolle

d

Copy

Copy

Your progress as Trainee is recorded by your supervising

Session Leader (SL1).

SL1 can use this to indicate areas where further study

might be helpful.

The information recorded here is used by POG and CE to asses

when you are ready for a restricted licence which allows

you to fulfil the role of SL1

It is in your interest to make sure this record is up to date!

As a trainee at JET…


The responsibilities and duties of the Session Leader are not to be undertaken lightly.

However you should not be daunted, we are there to give you training and back-up.

As a fully trained Session Leader on JET you will be able to make a significant contribution both to the technical and scientific aspects of the fusion programme. This you should take on as a suitably challenging personal objective.

We look forward to the time when some of you will be performing a similar role on ITER.



SESSION LEADER APPROVAL BY UKAEA

Name ______________ Affiliation ______________

Experience

You are hereby licensed as a fully qualified Session Leader. You may now fulfil theroles of sole Session Leader, Session Leader 1 (SL1) or Session Leader 2 (SL2) andsupervise a less experienced Session Leader (delete as appropriate). Please signbelow to indicate that you have read and understood the J2 Control Room LocalRules, and will abide by any restrictions listed below.

Session LeaderSigned _______________Name ______________Date ______________

Chief EngineerSigned_______________

A. S. KayeDate _______________

Plasma OperationsSigned______________

P. J. LomasDate ______________

Valid from__________ to __________

Restrictions.

You are restricted to plasma currents less than 4.1MA and vessel force in case ofdisruptions (F number) of 400Tonnes.

SL_qualified_1.dot

Uncontro

lled

Uncontro

lled

Copy

Copy


E. Joffrin22th Nov. 2010

Control room Control room Control room Control room

exexeercisesrcises


The exercises

MAXFEA MAXFEA – Maxfea is a program solving numerically the equilibrium for JET– This exercise has the objective to give you some basics of magnetic

configurations design at JET. What went wrongWhat went wrong

– This exercise consist of several questions on chosen pulses. In each pulse something happened which caused an error

– It has the objective to make you familiar with the SL analysis tools and of some of most common plasma faults.

Pulse schedulePulse schedule– This exercise consist of several questions on the pulse schedule editor

(xpsedit) and the design of a new pulse type for experiments.– It has the objective to introduce you to the pulse schedule editor

DebuggingDebugging– You are here put in the situation where you inherit an imperfect pulse

schedule from another session leader. – This exercise has the objective to identify mistakes in a pulse type


Making use of the tools

Use all the toolsUse all the tools– DAP in xpsedit– JOTTER (xjlsforms jotter)– JETDSP on jac– Pulse Logs: http://jlswebhost.jet.efda.org:8087/jls/index.html – XG on solaris– XPAD on solaris– Mimics on solaris

Look for comparisonLook for comparison– Comparison DAP in xpsedit– Similar pulses from the same experiment– whole sessions/exp.

Do your own analysisDo your own analysis– Beware: JOTTER may be wrong – Find alternative (better) solutions

Know how to find informationKnow how to find information– Plasma Ops Web or other web resources:

http://users.jet.efda.org/pages/s1-task-force/Documentation/ExperimentsGuide.html – Data handbook or distributed signal list and JETDSP standard sets

http://users.jet.efda.org/pages/data-dmsd/jetdatahandbook/web/php/contents.php – Pulse logs http://jlswebhost.jet.efda.org:8087/jls/index.html – JOI http://users.jet.efda.org/pages/torus-ops/pages/op-instructions/index.html


About this exercise

Don't be afraid to ask: there are 6 tutors here to help Don't be afraid to ask: there are 6 tutors here to help Collaborate and exchange information between you. Ask about limits, configurations and complicated pulses Plasma Ops Group, Engineering Analysis Group Ask about the experiments or previous pulses Other SL's, expert SC/SL, Ask about other sub-systemsNBI/ ICRH/ LHCD/ PELLET

The exercises are independent from each other. You can do them in The exercises are independent from each other. You can do them in any order. any order.

Some of the answers can be found during the formal coursesSome of the answers can be found during the formal courses Please note that we are also interested by your approach to the Please note that we are also interested by your approach to the

questions to the exercise, not only to the actual score you get at the questions to the exercise, not only to the actual score you get at the end. end.

The paper copies must be handed over to one of the tutors before The paper copies must be handed over to one of the tutors before 18:00 on Thursday for correction.18:00 on Thursday for correction.

Answers to each exercise will be given on Friday at 14:00Answers to each exercise will be given on Friday at 14:00



40 41 42 43 44 45 4601

23

4

x 10-4

40 41 42 43 44 45 460

0.5

1

1.5

2

Ip [MA]

Mode Lock

Time [s]

Pulse 51578

200pT/A


About the exercise

AssessmentAssessment Practise toolsPractise tools

Pulse schedule editor

JETDSP, other signal analysis programmes

JOTTER and how to find additional information

Analysis skillsAnalysis skillsUnderstand tokamak and plasma physics

Prepare for experiments

What to do in case of problems

Documents

E. Joffrin 22 th Nov. 2010