PACI RAS Updates. Vahid Madani Pacific Gas and Electric Co. August 2, 2017
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1 1 PACI RAS Updates Vahid Madani Pacific Gas and Electric Co. August 2, 2017
2 2 Outline PACI RAS Pacific AC Intertie RAS Overview of PACI RAS Mosher New Substation & Stagg Updates Gates Substation 230kV Breaker & half Bus configuration Green Valley Breaker and half bus configuration
3 Vicinity Map 3 Preliminary and pre-decisional 3
4 PACI RAS 500 kv CAPTAIN JACK OLINDA CALIFORNIA-OREGON BORDER MALIN ROUND MTN. COI TABLE MTN. VACA DIXON TRACY TESLA METCALF LOS BANOS MOSS LANDING GATES PATH 15 DIABLO CANYON MIDWAY PG&E-SCE TIE PATH 26 WHIRLWIND VINCENT 4 Preliminary and pre-decisional 4
5 PACI RAS Overview PACI RAS system monitors the 500kV Transmission System within PG&E, detecting line outages and taking appropriate remedial actions based on the RAS tables The IRAS algorithm a load and generation dropping scheme is one possible mitigation action defined in the table. IRAS mitigation is used for specific contingencies on the following paths: o o o COI (Path 66) California Oregon Intertie Path 15 The transmission corridor consisting of: Gates Panoche #1 and #2 230kV lines Gates Gregg 230kV line Gates McCall 230kV line Los Banos Gates #1 and #3 500kV lines Los Banos Midway #2 500kV line Path 26 The transmission corridor consisting of: Midway Vincent #1 & #2 500kV lines Midway Whirlwind 500kV line 5 Preliminary and pre-decisional 5
6 PACI RAS Remedial Actions IRAS Load Groups El Cerrito Vaca Dixon Newark Monta Vista Pittsburg Lakewood Martin San Mateo Gold Hill Ignacio Fulton Moss Landing Salinas Green Valley Stagg Olinda Dittmer Cascade Table Mt. IRAS Gen Groups In Midway Area Kern Oil Kern PP Taft Midsun Sw Sta Midway Sub Elk Hills La Paloma 1&2 Sunset Gen La Paloma 3&4 Hyatt Round Mt. Munro Control Center (MCC) Caribou/ ButtValley Maxwell Sierra Delta Pacific Power Dos Amigos Tracy San Luis Helms Midway Kinport Wheeler Ridge Wind Gap Buena Vista Edmonston Pearblossom Pacific NW Remedials Chief Joseph Brake Grand Coulee McNary PH John Day PH Wanapum PH Wells PH Rocky Beach PH Shrum, Mica Revelstoke AGC Off Four Corners 6 Preliminary and pre-decisional
7 Mosher 60 kv System (Existing) SW 77 Lockeford Lodi 60 kv Line No. 1 Colony Stagg #1 60 kv Line Winery SW 47 SW 19 Lockeford Lodi Lockeford Lodi 60 kv Line No. 2 Victor Lockeford Industrial 60 kv Line SW 37 Stagg Stagg - Hammer 60 kv Line Mettler SW 89 Hammer Country Club 60 kv Line SW 47 Industrial Lockeford Lodi 60 kv Line No. 3 SW 69 SW 75 SW 67 M SW 59 SW 37 SW 19 SW 15 Lockeford #1 60 kv Line SW 65 M Stagg #1 60 kv Line Hammer Mosher Waterloo SW 37 Country Club UOP Oak Park SW 57 West Lane Sumiden Wire Ragu Cherokee Weber
8 Mosher 60kV substation 8 Is radially fed from Stagg substation with Mosher Sw 67 and Sw 75 normally open Mosher 60kV bus is reconfigured to a Ring Mosher substation is fed from both Stagg and Lockeford. The two 60kV CBs at Mosher for Lockeford #1 line termination is now included in part of PACI RAS. Controller signals are sent to Mosher 60kV and Stagg 230kV (CB212 and CB222 already part of LG5) simultaneously. To protect the system from severe thermal overloads. Telemetry is sent from Mosher to the controllers at SFCC (San Francisco Control Center) and VGCC (Vacaville Grid Control Center) and action sent from the SFCC and VGCC PACIRAS controllers to Mohser (in addition to Stagg) to shed load.
9 60 kv System (Mosher Ring Bus) SW 77 Lockeford Lodi 60 kv Line No. 1 Colony Stagg #1 60 kv Line Winery SW 47 SW 19 Lockeford Lodi Lockeford Lodi 60 kv Line No. 2 Victor Lockeford Industrial 60 kv Line SW 37 Industrial SW 59 CB tripped by PACIRAS Lockeford Lodi 60 kv Line No. 3 SW Stagg PACIRAS (IRAS) Load Group #5 Stagg - Hammer 60 kv Line Mettler SW 89 Hammer Country Club 60 kv Line SW 47 # SW 15 Lockeford #1 60 kv Line SW Stagg #1 60 kv Line Hammer #1 # Mosher Waterloo SW 37 Country Club UOP Oak Park SW 57 West Lane Sumiden Wire Ragu Cherokee Weber
10
11 SFGO System A N60 Relay System AC See S002 for path Focus CB 3 LIU System B N60 Relay M/ DN W X D49 LIU Tesla Sub HV P T1 New T1 lease to Tesla sub Existing 1MB HV P POTS Mosher Sub Vacaville Stockton Station A HDSL System C N60 Relay System D N60 Relay System BD See S002 for path M/ W D49 DN X DD M 2000 ODN switch Coppe r CGS switch 100 Mb 100FX Stockton SC CGS Switch 100 Mb DDM 2000 ODN T1 Demar k T1 Existing T1 lease for ODN System AC Zhone CH bank C K System AC N60 Relay ACST ODN T1 and TDM T1 will both be routed over this Comcast Fiber ODN T1 TDM T1 System BD Zhone CH bank fiber 3 rd link C37.9 Party FDU FDU DMXTend K N60 Relay F AC System BD N60 Relay BDST N60 Relay F BD New Existing Remove Others S001 PACIRAS SLD Mosher Sub PACI- RAS Mosher Sub PACI-RAS.vsd Prepared By: SJMb Date: 12/23/1 5
12 Stagg A Before Update
13 Changes at Stagg A 13
14 Changes at Stagg B 14
15 Existing PACIRAS 15 Gates-Gregg and Gates-McCall move to new 230kV BAAH Bus Section F
16 Gates Sub, New 230kV BAAH Bus F 16
17 17 Green Valley Substation - Breaker and Half Project GREEN VALLEY 115kV SUBSTATION TRIP SIGNALS AC SYS 1322/1332 TRIP PAUL SWEET LINE (CB 1322,1332) 1322/1332 TRIP SIGNALS BD SYS 1522/ /1532 TRIP CAMP EVERS LINE (CB 1522,1532) LLAGAS 115kV LINE METCALF 115KV LINE PACI RAS LOAD GROUP 5 (IRAS-Path15 LOAD GROUP 5) CAMP EVERS 115kV LINE MOSS LANDING 115KV LINE # = PAUL SWEET 115kV LINE = CAMP EVERS 115kV LINE TRANSF #2 115/21KV MOSS LANDING 115KV LINE #2 PAUL SWEET 115kV LINE TRANSF #3 115/21KV TRANSF #1 115/60KV BUS2 (BAY 1 FUTURE) BUS1 GREEN VALLEY 115kV BUS REL143PACIRASGV-AC REL143PACIRASGV-BD SYSTEM CUTOUT SWITCH SYSTEM CUTOUT SWITCH PAUL SWEET Line Trip Cut Out Push Button RAS AC RAS BD 1322/ /1332 CAMP EVERS Line Trip Cut Out Push Button RAS AC RAS BD 1522/ /1532
18 Green Valley Typical Field Installation (redundancy not shown) GREEN VALLEY 115kV Building 18 SYS GREEN VALLEY 115kV PACIRAS SYSTEM AC P1 P PACIRASGV-ACST P2 BaseF N60-TD3-HPH-F6S-H6R-M6S-P6S-U4L-W2H F F P1 100 P2 BaseF P3 111 PACIRASGV-B3-AC N60-TDH-HPH-F8L-H6R-M8L-P6S-U4L-W7M OUTAGE TRIP F F FLOW 1322/1332 P1 P P2 PACIRASGV-B5-AC BaseF N60-TDH-HPH-F8L-H6R-M8L-P6S-U4L-W7M OUTAGE TRIP F F FLOW 1522/1532
19 Questions? 19
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