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OPERATING NOMENCLATURE

PRESENTERS:A.B.S.ENNIN, GEORGE COLEMAN, DAVID DADSON, ANTHONY ANSAH

1OPERATING NOMENCLATUREWhat is it?

2NAMING OF STATIONS Generating Station Substation

OPERATING NOMEMCLATURE3NAMING OF LINES Source Project or Construction DirectionBegins at one station and ends at another station with reference to source, project or construction and direction

OPERATING NOMEMCLATURE4NAMING OF EQUIPMENT Within the Network Loop Within the Substation or Generating Station

OPERATING NOMEMCLATURE5NAMING OF PROTECTIVE AND MEASURING EQUIPMENT Potential Couplers CVT Lightning Arrestor Potential Transformers Current TransformerAttached to Bus, Lines, Transformers and Generators

OPERATING NOMEMCLATURE6NAMING OF DISCONNECT SWITCHES By-Pass -S Generator/Ground-G Bus-A, D, B, Y, -Z -H, -K, -E, and -P Line-L1, L2 or -1,-2 Transformer-T High Side Station -X Low Side Station Service -F

OPERATING NOMEMCLATURE7NAMING OF DISCONNECT SWITCHES Capacitor Bank -SC1 or 2 Reactor-R1 or 2 Feeder-F

OPERATING NOMEMCLATURE8NAMING OF BREAKERS Within the Loop Within the Substation At the Generating Station

OPERATING NOMEMCLATURE9

SAFETYSafety in the operation and maintenance of power system facilities is most important to prevent accidents or incidents which will result in injury or fatalities to employees. In view of this, Operating and Maintenance staff employ all available means to avert such accidents and incidents.One such method is the employment of standard Definitions of Special Terms which are used by Operating and Maintenance personnel before, during and after work on any apparatus under the control of the Operating staff.Protection Guarantee of various forms are issued to maintenance personnel by Operating staff for work on apparatus and communication (both by telephone and direct conversation) must be approached with special terms which is understood by all parties.10ACCIDENTS

ACCIDENTS may be defined as an unplanned event which results in: Harm to People Damage to Property Loss of ProcessSAFETY11ACCIDENTS

NEAR MISS also known as Near Accident may be defined as an unplanned event which could have caused harm under slightly different conditionsSAFETY12

13CAUSES OF ACCIDENTS

A survey in U.S.A revealed that:Human Errors,85%Personnel Influence10%External Influence75%Component Failures and Natural Disasters15%SAFETY14PERSONNAL INFLUENCE

Emotions Carelessness HealthSAFETY15EXTERNAL INFLEUNCE

Deficient Procedures Ineffective Training Inadequate Supervision Work Environment Insufficient StaffingSAFETY16REASON WHY MINOR ACCIDENTS AND NEAR MISS ARE NOT REPORTED

Fear of Disciplinary action Lack of Management commitment No training provided on investigation Too much paper workSAFETY17REASON WHY MINOR ACCIDENTS AND NEAR MISS ARE NOT REPORTED

No incentive to report minor accidents and near misses Disincentive for reporting minor accidents and near misses Reporting near misses hurts the departments safety performance and reduces safety related bonuses.SAFETY18

Personality Alertness Ability to Analysis Initiatives Planning Operating Under Stress

DESIRABLE ATTRIBUTES OF AN OPERATAING TECHNICIAN ENGINEERReportingTheory and UnderstandingOrganisation and SupervisionCustomer RelationSTANDARD PROTECTION CODE19

Introduction Isolating and De-energizing De-energizing

EXPLANATION OF THE CODESTANDARD PROTECTION CODE20

Hold-Off - PC12 Self-Protection - PC11 Protection Guarantee - PC2Work PermitWork and Test PermitStation GuaranteeTHE CODESTANDARD PROTECTION CODE21

Introduction Application Issuance SurrenderHOLD-OFF PC12STANDARD PROTECTION CODE22

HOLD-OFF TAGSTANDARD PROTECTION CODE

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Introduction Application Placing of Tag Removal of TagSELF PROTECTION PC11STANDARD PROTECTION CODE24

SELF PROTECTION TAGSTANDARD PROTECTION CODE

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Application for Protection Guarantee - PC1 Protection Guarantee CertificatePROTECTION GUARANTEEPC2STANDARD PROTECTION CODE26

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Volta Substation/V2WPW&TPSGMonday 15/3/2015Doreen Ampadu0900hrs1500hrs SaturdayAsst. Elect. EngineerSouthern Network ServicesTo change shattered B Lightning Arrestor on 4T1 Transformer NoneDoreen AmpaduSignPatrick Ehoneah None6hrs 15mins0845hrs1515hrsDebrah Operator 28

Operating Technician Engineer Applicant and Permit Holders Selection of Master StationsRESPONSIBILITIES IN DEALING WITH PROTECTION GUARANTEESTANDARD PROTECTION CODE29

Introduction ResponsibilitiesRESPONSIBILITIES OF OPERATING TECHNICIAN ENGINEERSTANDARD PROTECTION CODE30

Introduction ResponsibilitiesRESPONSIBILITIES OFAPPLICANTS, PERMIT HOLDERS AND SAFETY SUPERVISORSTANDARD PROTECTION CODE31

Selection ResponsibilitiesRESPONSIBILITIES AND SELECTION OF MASTER STATIONS AND ASSISTING STATIONSSTANDARD PROTECTION CODE32

The OTO, Order To Operate (PC17) The Certificate Information on the Certificate Table A Table BPREPARATION OF PROTECTION GUARANTEE CERTIFICATE (PC2)STANDARD PROTECTION CODE33

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200-3001-99100-19936

Final Checks Joint Inspection Instructions and CautionsISSUANCE OF PTOTECTION GUARANTEE CERTIFICATESTANDARD PROTECTION CODE37

PC14 Form Responsibilities of a Permit Holder Responsibilities of the First OperatorTEST PROCEDURE UNDER WORK AND TEST PERMIT - PC14STANDARD PROTECTION CODE38

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Introduction Responsibilities of a Permit Holder prior to surrender Responsibilities of an Operator prior to surrender SURRENDER OF PROTECTION GUARANTEE - PC2STANDARD PROTECTION CODE40

RulesPROTECTION GUARANTEE FOR SHIFT WORKSTANDARD PROTECTION CODE41

RulesSPECIAL TRANSFER OF A PROTECTION GUARANTEE CERTIFICATESTANDARD PROTECTION CODE42

STANDARD PROTECTION CODE

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Introduction Responsibilities of a Permit Holder prior to surrender Responsibilities of an Operator prior to surrender SURRENDER OF PROTECTION GUARANTEE - PC2STANDARD PROTECTION CODE

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External Influence
ACCIDENTS
15%
75%
85% Human Error
Component Failures
Personnel Influence 10%

Sheet1GHANA GRID COMPANYPC 1APPLICATION FOR PROTECTION GUARANTEEFILE NO:I apply to..For a.....To be issuedName of StationWP: W&TP: SGDay DateTo be issued to...Man or Station NameTitleDepartmentTo be issued at.To be surrendered at...............TimeTimeDayDateDescription of Apparatus, Work, Tests, and any Dangers unknown to the issuer:.................Additional Apparatus for Safe Working Space.....Name of Applicant..Signature of Applicant...DateReceived ByNote Re: Outage..........NameDate..........Working TimeSwitching TimeApparatus Outage: From....To......Approved by.Final Approval.......System Operator Time DateIssuing Operator Date

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Sheet1GHANA GRID COMPANYPC 1APPLICATION FOR PROTECTION GUARANTEEFILE NO:I apply to..For a.....To be issuedName of StationWP: W&TP: SGDay DateTo be issued to...Man or Station NameTitleDepartmentTo be issued at.To be surrendered at...............TimeTimeDayDateDescription of Apparatus, Work, Tests, and any Dangers unknown to the issuer:.................Additional Apparatus for Safe Working Space.....Name of Applicant..Signature of Applicant...DateReceived ByNote Re: Outage..........NameDate..........Working TimeSwitching TimeApparatus Outage: From....To......Approved by.Final Approval.......System Operator Time DateIssuing Operator Date

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Sheet1PC 2GHANA GRID COMPANYSerial No.....PROTECTION GUARANTEEWORK PERMITWORK AND TEST PERMITSTATION GUARANTEEPermit Holder/Guarantee Issued To...........Issuing Station.....D.N.O. Tag#...................Date....Apparatus Covered...........Guarantee of Isolation.....Guarantee of De-energising......Apparatus on which Work is authorized - Description of Work and Test...Guarantee Items.......Prepared By...Checked By....Guaranteed By..No of Tags Placed....TABLE A STATION GUARANTEETABLE B OTHER PERMIT OR AUTHORIZED PERSONNELName of StationName of ForemanPermit No.On - IssuedOff - SurrenderedWorkAssisting Sation File#DateTimeDateTimeCompletedTime IssuedTime SurrenderdGroundsON/OFFON/OFFON/OFFON/OFFYES/NONumberIntialsTemporary Grounds to be Placed?Temporary Grounds Removed?Instructions to Permit Holder.....Accepted ByIssued By..Time Date......Surrendered By...Surrender Accepted By....Time..........DateService Notes........Release for Service By...VOLTA RIVER AUTHORITYPROTECTION GUARANTEE

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Sheet1GHANA GRID COMPANYPC 14OPERATIONS UNDER A WORK AND TEST PERMITSERIAL No.REQUEST BY PERMIT HOLDERWORK AND TEST PERMIT NO.NAME OF PERMIT HOLDER........ DATE.....TABLE B FOREMAN OR AUTHORIZEDTO SHIFT OPERATOR....PERSONNEL ACKNOWLEDGEMENT TESTS..NAME/SIGNATURE OF FOREMANOPERATOR'STIME..OR AUTHORIZED PERSONNELINITIALS.............................FOR THE PURPOSE OF....................................................TIME...SIGNATURE OF PERMIT HOLDER........TO PERMIT HOLDER - OPERATIONS SPECIFIED ABOVE HAVE BEEN COMPLETED....TIME...SIGNATURE OF SHIFT OPERATOR

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