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STATION TEST SAFETY MEETING

Comprehensive guidelines for naming power system facilities, circuits, and high-voltage equipment to ensure uniformity and identification accuracy. Presented by George Abdelmalak.

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STATION TEST SAFETY MEETING

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  1. STATION TEST SAFETY MEETING Presented by: Operating Order # 9 George Abdelmalak DESIGNATION OF POWER SYSTEM FACILITIES, CIRCUITS, AND HIGH-VOLTAGE EQUIPMENT

  2. Topics 9.1 INTRODUCTION 9.2 AUTHORITY FOR FACILITY NAMES 9.3 GENERATING FACILITY NAMES 9.4 CONVERTER STATION NAMES 9.5 SWITCHING STATION NAMES 9.6 RECEIVING STATION NAMES 9.7 DISTRIBUTION STATION NAMES 9.8 TERMINAL TOWER NAMES Operating Order #9

  3. 9.9 NAME USAGE 9.10 AUTHORITY FOR CIRCUITS & EQUIP. 9.11 IDENTIFICATION OF CIRCUITS & EQUIP. 9.12 TRANSMISSION CIRCUIT NAMES 9.13 BELT CIRCUIT NAMES 9.14 34.5-KV SUBTRANSMISSION CIRCUIT 9.15 VOLTAGES OF CIRCUITS & BUSES 9.16 BUS NAMES 9.17 TRANSFORMER NAMES 9.18 CIRCUIT DIAGRAM STATION TEST SAFETY MEETING

  4. 9.1 INTRODUCTION - Establishes the authority to designates names for DWP facilities - To provide uniform method for designating line positions, transformers, reactors, etc. - Specifies nominal voltages for identification purposes STATION TEST SAFETY MEETING

  5. 9.2 AUTHORITY FOR POWER SYSTEM FACILITY NAMES Assistant General Manager of the power system and Manager of Load DispatchingThrough recommendations from Power System Division Managers. assigns power facility names authority can be delegated consultation required from Power System Division Managers or Assistant Division Managers STATION TEST SAFETY MEETING

  6. 9.3 GENERATING FACILITY NAMES Designation is either Generating Station or Power Plant 1. All Thermal Electric Generating Facilities are designated as Generating Station 2. All Hydroelectric Facilities are designated as Power Plant Designations are preceded by a proper name STATION TEST SAFETY MEETING

  7. 9.3a Some Names of Generating Facilities now in use STATION TEST SAFETY MEETING <Proper Name> <Power Plant/Generating Station> Castaic Power Plant Control Gorge Power Plant Harbor Generating Station Valley Generating Station

  8. 9.4 CONVERTER STATION NAMES Designation used for AC-DC facilities Converter Station Named according to geographic area where facilities are located Designations are preceded by the name of the geographic area STATION TEST SAFETY MEETING

  9. 9.4a CONVERTER STATION NAMES now in use STATION TEST SAFETY MEETING <Geo Area> <Converter Station> Adelanto Converter Station Sylmar Converter Station Intermountain Converter Station

  10. 9.5 SWITCHING STATION NAMES Designation used for Switching Facilities Switching Station Named according to geographic area where facilities are located Designations are preceded by the name of the geographic area STATION TEST SAFETY MEETING

  11. 9.5a Some SWITCHING STATION NAMES now in use STATION TEST SAFETY MEETING <Geo Area> <Switching Station> Cottonwood Switching Station Gramercy Switching Station Olive Switching Station Sylmar Switching Station

  12. 9.6 RECEIVING STATION NAMES Most are named by a proper name The word “Receiving Station” followed by a letter Few do not have letter designated their names do not end with a letter STATION TEST SAFETY MEETING

  13. 9.6a Some RECEIVING STATION NAMES now in use STATION TEST SAFETY MEETING <Proper Name> <Receiving Station> <Letter> St. John Receiving Station A Century Receiving Station B Airway Receiving Station Rinaldi Receiving Station

  14. 9.7 DISTRIBUTING STATION NAMES Are named by a proper name Followed by the word “Distributing Station”, ending with a number Proper name is usually the geographic area or a street name where the station is located STATION TEST SAFETY MEETING

  15. 9.7a Some DISTRIBUTING STATION NAMES now in use STATION TEST SAFETY MEETING <Proper Name (Geo) > <Dist. Station> <Number> St. John Distributing Station 1 Commonwealth Distributing Station 15 Mariposa Distributing Station 61 Fulton Distributing Station 62

  16. 9.8 TERMINAL TOWER NAMES Designation used for transmission line tower where line and cable portion of a transmission circuit are connected Tower is named according to the geographical where the station is located Proper name is usually the geographic area or a street name where the station is located Designation shall be preceded by the name of the geographic area STATION TEST SAFETY MEETING

  17. 9.8a TERMINAL TOWERS NAME now in use STATION TEST SAFETY MEETING <Proper Name (Geo/Street)> <Terminal Tower> Hyperion Terminal Tower Imperial Terminal Tower La Brea Terminal Tower

  18. 9.9 NAME USAGE STATION TEST SAFETY MEETING a. For Formal Reports * Full name shall be used to avoid confusion b. For Informal Reports, memos, etc * May use proper name or Station letter or number

  19. 9.10 AUTHORITY FOR IDENTIFICATION OF POWER SYSTEM CIRCUITS & HIGH-VOLTAGE EQUIPMENT STATION TEST SAFETY MEETING Assistant General Manager of the power system and Manager of Load Dispatching – has the authority to select names for transmission, belt, sub-transmission Circuits & equipment, buses and transformers in Plants and Stations

  20. 9.11 IDENTIFICATION OF CIRCUITS & HIGH-VOLTAGE EQUIPMENT STATION TEST SAFETY MEETING *To operate and dispatch the system a. specific names must be assigned to circuits and equipment b. provide a uniform method of identifying line positions, transformers, reactors, and high voltage equipment

  21. 9.11 IDENTIFICATION OF CIRCUITS & HIGH-VOLTAGE EQUIPMENT (cont.) STATION TEST SAFETY MEETING * For proper identification: 1. view the station equipment from the position facing the front of the station at the street address 2. number the equipment sequentially from: 1. left to right 2. front to back 3. top to bottom

  22. 9.12 GENERATING FACILITY TRANSMISSION CIRCUIT NAMES STATION TEST SAFETY MEETING *Some transmission circuits connects generating facilities to Substations: The name consists of 3 parts 1. The name of the generating facility 2. The name of the Substation 3. If the circuit is entirely underground a. the word “Cable” is followed by letter A, B, C, etc. b. If not, the word “Line” is followed by numbers 1, 2, 3, etc.

  23. 9.12.a GENERATING FACILITY TRANSMISSION CIRCUIT NAMES STATION TEST SAFETY MEETING <Generation> <Sub-station> <Line/Cable> <number/Letter> Scattergood Airport Line 1 Harbor Century Cable A Valley Tarzana Cable B

  24. 9.13 BELT CIRCUIT NAMES STATION TEST SAFETY MEETING *Belt circuits connect Receiving or Switching Stations and may carry power in either direction. Names assigned are: 1. The name of the station at the Northern most end of the circuit. * if not running discernibly north-south, the station at the eastern most end of the circuit

  25. 9.13 BELT CIRCUIT NAMES (cont.) STATION TEST SAFETY MEETING 2. The name of the station at the Southern most end of the circuit. * if not running discernibly north-south, the station at the western most end of the circuit 3. If the circuit is entirely underground, a. the word “Cable” followed by the letter A, B, C, etc. b. If not, the word “Line” followed by numbers 1, 2, 3, etc.

  26. 9.14 34.5 kV SUBTRANSMISSION CIRCUIT NAMES STATION TEST SAFETY MEETING 1. Circuits between Receiving and Distributing Stations 1. The name of the Receiving Station 2. The name of the Distributing Station 3. If the circuit is entirely underground a. the word “Cable” followed by the letter A, B, C, etc. b. If not, the word “Line” followed by the number 1, 2, 3, etc

  27. 9.14 34.5 kV SUBTRANSMISSION CIRCUIT NAMES(CONT.) STATION TEST SAFETY MEETING 1. Circuits between Distributing Stations. Name of circuit consists of three parts 1. The name of the station physically closer to the supplying Receiving Station 2. The name of the station physically further from the supplying Receiving station 3. If the circuit is entirely underground a. the word “Cable” followed by the letter A, B, C, etc. b. if not, the word “Line” followed by the number 1, 2, 3, etc

  28. 9.14 34.5 kV SUBTRANSMISSION CIRCUIT NAMES(CONT.) STATION TEST SAFETY MEETING 3. Peddlers – are radial circuits because they are normally operated as closed electrical circuits between substation. Peddler name consist of three parts: 1. The name of the station supplying the Peddler 2. The word “Peddler” 3. If the circuit is entirely underground a. the word “Cable” followed by the letter A, B, C, etc. b. If not, the word “Line” followed by the number 1, 2, 3, etc

  29. 9.15 NOMINAL VOLTAGES OF CIRCUITS AND BUSES STATION TEST SAFETY MEETING 1. Nominal voltages shall be assigned to all circuits and buses. The following nominal voltages shall be assigned and be used for identification

  30. 9.16 BUS NAMES STATION TEST SAFETY MEETING * New or revised drawings, signs, nameplates or other marks of identification involving designation of buses shall be inscribed as follows: 1. The nominal voltage followed by the term Front, Rear, Main, Reactor, or Transfer followed by the word Bus. 2. When designated numerically, the word Bus shall be followed by a number 1, 2, 3, etc Examples: 4.8-kV Front Bus 34.5-kV Bus 1 230-kV Bus 2

  31. 9.16 BUS NAMES (cont.) STATION TEST SAFETY MEETING 3. If the bus is sectionalized, identification is either numerically, alphabetically, or geographically 1. Numerically, the word Section shall be followed by a number 1, 2, 3, etc 2. Alphabetically, the word Section shall be followed by the letter A, B, C, etc 3. Geographically, the identifying word North, South, East, West, Center, Upper, Lower, etc shall precede the word Section Examples: 4.8-kV Rear Bus Section 1 230-kV Bus 1 Section E 34.5-kV Bus 2 West Section

  32. 9.17 TRANSFORMER NAMES STATION TEST SAFETY MEETING * New or revised drawings, signs, nameplates or other marks of identification involving transformer designations shall be inscribed as follows: 1. The facility or station name 2. The word Transformer 3. Followed by a number or letter Examples: Century Receiving Station B Transformer G Victorville Switching Station Transformer K Owens Gorge Power Plant Transformer B

  33. CIRCUIT DIAGRAMS Department Drawing and Circuit Daigrams One-Line Diagram One of the major use of the one line diagram is to demonstrate connection with details and actual operation of circuits. The diagram will clearly show all of the circuit breakers and switches that must be closed to have power flow between these busses. In addition, it will show breakers and switches that must be open to isolate and ground equipment.

  34. CIRCUIT DIAGRAMS Department Drawing and Circuit Daigrams Schematic Diagram These diagram show scheme of circuits in a much greater detail than on the one-line diagram. These diagrams are made as simple as possible and no attempt is made to arrange the symbols to show their actual physical location.

  35. CIRCUIT DIAGRAMS Department Drawing and Circuit Daigrams Wiring Diagram These diagrams include more electrical detail than one-line and schematic diagrams. Its shows all wires, where they land and the routing by which they go from place to place. The diagrams is also used for wiring instructions.

  36. Operating Order #9 Q U I Z

  37. QUESTION • Who has the Authority for power system facility names a. Chief operating manager b. Senior Load Dispatcher c. Assistant General Manager d. The station Design Engineer

  38. QUESTION 2. Which of the following is not a Converter station a. Adelanto b. Victorville c. Intermountain d. Sylmar

  39. QUESTION 3. How do you officially name receiving station D located at west LA area a. Receiving station Fairfax D b. Fairfax Receving station D c. Receiving Station RS-D d. Fairfax West LA Receiving Station

  40. QUESTION 4. Equipment is sequentially numbered from a. Right to left, bottom to top b. Left to right, back to front c. Back to front, bottom to top d. Front to back, left to right

  41. QUESTION 5. What does O.O.# 9 pertains to • Admission to Station plants and Tank • Reporting to Unusual events • H.H. equipment In and Out of service • Designation of Power System Facilities

  42. QUESTION 6. In this underground belt circuit, it is not very obvious which station is at the northernmost end. According to O.O.#9, this circuit should be named a. Olympic-Fairfax cable A b. Fairfax-Olympic cable A c. Olympic-Fairfax Line 1 d. Fairfax-Olympic Line 1 Fairfax Receiving Station Olympic Receiving Station D N K

  43. QUESTION 7. The terms Front, Rear, Main Reactor, or Transfer refers to a. Bus b. Transformers c. Circuit Breaker d. Regulators

  44. QUESTION • In-basin thermal steam plants are designated as a. Power plants b. Converter stations c. Generating stations d. Collector items

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