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

OPERATING NOMENCLATURE What is it?

NAMING OF STATIONS  Generating Station  Substation OPERATING NOMEMCLATURE

NAMING OF LINES  Source  Project or Construction  Direction Begins at one station and ends at another station “ with r eference to source, project or construction and direction” OPERATING NOMEMCLATURE

NAMING OF EQUIPMENT  Within the Network Loop  Within the Substation or Generating Station OPERATING NOMEMCLATURE

NAMING OF PROTECTIVE AND MEASURING EQUIPMENT  Potential Couplers  CVT  Lightning Arrestor  Potential Transformers  Current Transformer Attached to Bus, Lines, Transformers and Generators OPERATING NOMEMCLATURE

NAMING 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 NOMEMCLATURE

NAMING OF DISCONNECT SWITCHES  Capacitor Bank -SC1 or 2  Reactor-R1 or 2  Feeder-F OPERATING NOMEMCLATURE

NAMING OF BREAKERS  Within the Loop  Within the Substation  At the Generating Station OPERATING NOMEMCLATURE

SAFETY Safety 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.

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

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

CAUSES OF ACCIDENTS A survey in U.S.A revealed that:  Human Errors,85% Personnel Influence10% External Influence75%  Component Failures and Natural Disasters15% SAFETY

PERSONNAL INFLUENCE  Emotions  Carelessness  Health SAFETY

EXTERNAL INFLEUNCE  Deficient Procedures  Ineffective Training  Inadequate Supervision  Work Environment  Insufficient Staffing SAFETY

REASON 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 work SAFETY

REASON 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 department’s safety performance and reduces safety related bonuses. SAFETY

 Personality  Alertness  Ability to Analysis  Initiatives  Planning  Operating Under Stress DESIRABLE ATTRIBUTES OF AN OPERATAING TECHNICIAN ENGINEER  Reporting  Theory and Understanding  Organisation and Supervision  Customer Relation STANDARD PROTECTION CODE

 Introduction  Isolating and De-energizing  De-energizing EXPLANATION OF THE CODE STANDARD PROTECTION CODE

 Hold-Off - PC12  Self-Protection - PC11  Protection Guarantee - PC2 Work Permit Work and Test Permit Station Guarantee THE CODE STANDARD PROTECTION CODE

 Introduction  Application  Issuance  Surrender HOLD-OFF PC12 STANDARD PROTECTION CODE

HOLD-OFF TAG STANDARD PROTECTION CODE

 Introduction  Application  Placing of Tag  Removal of Tag SELF PROTECTION PC11 STANDARD PROTECTION CODE

SELF PROTECTION TAG STANDARD PROTECTION CODE

 Application for Protection Guarantee - PC1  Protection Guarantee Certificate PROTECTION GUARANTEE PC2 STANDARD PROTECTION CODE

Volta Substation/V2WP W&TP SG Monday 15/3/2015 Doreen Ampadu 0900hrs 1500hrs Saturday Asst. Elect. Engineer Southern Network Services To change shattered “B” Lightning Arrestor on 4T1 Transformer None Doreen Ampadu Sign Patrick Ehoneah None 6hrs 15mins0845hrs1515hrs Debrah Operator

 Operating Technician Engineer  Applicant and Permit Holders  Selection of Master Stations RESPONSIBILITIES IN DEALING WITH PROTECTION GUARANTEE STANDARD PROTECTION CODE

 Introduction  Responsibilities RESPONSIBILITIES OF OPERATING TECHNICIAN ENGINEER STANDARD PROTECTION CODE

 Introduction  Responsibilities RESPONSIBILITIES OF APPLICANTS, PERMIT HOLDERS AND SAFETY SUPERVISOR STANDARD PROTECTION CODE

 Selection  Responsibilities RESPONSIBILITIES AND SELECTION OF MASTER STATIONS AND ASSISTING STATIONS STANDARD PROTECTION CODE

 The OTO, Order To Operate (PC17)  The Certificate  Information on the Certificate  Table “A”  Table “B” PREPARATION OF PROTECTION GUARANTEE CERTIFICATE (PC2) STANDARD PROTECTION CODE

 Final Checks  Joint Inspection  Instructions and Cautions ISSUANCE OF PTOTECTION GUARANTEE CERTIFICATE STANDARD PROTECTION CODE

 PC14 Form  Responsibilities of a Permit Holder  Responsibilities of the First Operator TEST PROCEDURE UNDER WORK AND TEST PERMIT - PC14 STANDARD PROTECTION CODE

 Introduction  Responsibilities of a Permit Holder prior to surrender  Responsibilities of an Operator prior to surrender SURRENDER OF PROTECTION GUARANTEE - PC2 STANDARD PROTECTION CODE

 Rules PROTECTION GUARANTEE FOR SHIFT WORK STANDARD PROTECTION CODE

 Rules SPECIAL TRANSFER OF A PROTECTION GUARANTEE CERTIFICATE STANDARD PROTECTION CODE

 Introduction  Responsibilities of a Permit Holder prior to surrender  Responsibilities of an Operator prior to surrender SURRENDER OF PROTECTION GUARANTEE - PC2 STANDARD PROTECTION CODE