PG&E Transmission Interconnection Handbook

Transcription

1 Table of Contents TABLE OF CONTENTS... 1 UPDATE HISTORY... UP-1 INTRODUCTION... IN-1 I-1. PURPOSE... IN-1 I-2. INTRODUCTORY DEFINITIONS... IN-1 I-3. HANDBOOK APPLICABILITY... IN-2 I-3.1. New Load, New Transmission and Generation Facilities... IN-2 I-3.2. Existing Load or Transmission Facilities... IN-2 I-3.3. Existing Generation Facilities... IN-3 I-4. ELECTRIC INDUSTRY RESTRUCTURING... IN-3 I-5. PROCEDURES FOR DEVELOPING TRANSMISSION PLANS AND COORDINATED JOINT STUDIES... IN-4 I-5.1. Procedures for Developing Transmission Plans... IN-4 I-5.2. Procedures for Coordinated Joint Studies... IN-5 I-6. ORGANIZATION OF HANDBOOKS... IN-5 I-7. STANDARD AND PROJECT-SPECIFIC INTERCONNECTION REQUIREMENTS... IN-6 I-8. CUSTOMER-OWNED EQUIPMENT REQUIREMENTS... IN-6 I-9. COMPLIANCE WITH NERC INTERCONNECTION STANDARDS... IN-7 I-10. GENERAL RECOMMENDATIONS CONCERNING THE CONTENTS OF LOCAL CEQA DOCUMENTS... IN-10 I EIR adopted with significant and unavoidable impacts in any environmental impact categories... IN-10 I First section in your document... IN-10 I Mitigation Measures v. APMs... IN-11 I Not Obligating PG&E... IN-11 I Local Ordinances... IN-11 I Building Code Exemption... IN-12 I General Worst-Case Assumptions... IN-12 I Impact analyses sections... IN-13 I Aesthetics... IN-13 I GHG analysis... IN-13 I GHG APMs... IN-14 I SF 6 -specific APMs... IN-14 GLOSSARY... GL-1 SECTION L1-D: REVENUE-METERING REQUIREMENTS FOR DISTRIBUTION LOAD-ONLY ENTITIES... L1-D-1 PURPOSE... L1-D-1 L1-D.1. REVENUE METERING REQUIREMENTS FOR LOAD ENTITIES... L1-D-1 L1-D.1.1. Wholesale Service... L1-D-1 L1-D.1.2. End Users (Retail Service)... L1-D-1 L1-D PG&E Direct Access Rule L1-D-1 L1-D PG&E, as an MSP, will provide, install, maintain and test the following meter equipment... L1-D-2 L1-D PG&E, as an MDMA, will provide the following meter data services... L1-D-2 L1-D All PG&E Load Entities will provide, install and maintain... L1-D-3 L1-D.2. REQUIREMENTS OF REVENUE-METERING POINT... L1-D-4 L1-D.3. COMMUNICATION CIRCUITS... L1-D-4 L1-D.4. GROUND POTENTIAL RISE... L1-D-5 SECTION L1-T: REVENUE-METERING REQUIREMENTS FOR TRANSMISSION-ONLY AND LOAD- ONLY ENTITIES... L1-T-1 PURPOSE... L1-T-1 i

2 L1-T.1. REVENUE-METERING REQUIREMENTS FOR LOAD ENTITIES AND TRANSMISSION ENTITIES CONNECTING LOAD TO THE PG&E TRANSMISSION SYSTEM... L1-T-1 L1-T.1.1. Wholesale Service... L1-T-1 L1-T.1.2. End User (Retail Service)... L1-T-1 L1-T Bundled Service... L1-T-2 L1-T Direct Access Service... L1-T-2 L1-T Equipment Requirements:... L1-T-3 L1-T.1.3. Additional Requirements... L1-T-4 L1-T.2. LOCATION OF REVENUE METERING POINT... L1-T-5 L1-T.3. COMMUNICATIONS CIRCUITS... L1-T-6 FORM L L1-T-7 SECTION L2: PROTECTION AND CONTROL REQUIREMENTS FOR LOAD-ONLY ENTITIES AND TRANSMISSION-ONLY ENTITIES... L2-1 PURPOSE... L2-1 APPLICABILITY... L2-1 L2.1. PROTECTIVE RELAY REQUIREMENTS... L2-1 L2.2. RELIABILITY AND REDUNDANCY... L2-3 L2.3. RELAY SPECIFICATIONS RELIABILITY AND REDUNDANCY... L2-3 L2.4. LINE PROTECTION... L2-4 L Fault-Interrupting Devices... L2-5 L Circuit Breakers... L2-6 L Circuit Switchers... L2-6 L Fuses... L2-7 L Relay Class Current Transformers (CT)... L2-7 L2.5. STANDBY/BACKUP SOURCE... L2-8 L Standby Source... L2-8 L Backup Generators... L2-8 SECTION L3: SUBSTATION DESIGN FOR LOAD-ONLY ENTITIES AND TRANSMISSION-ONLY ENTITIES... L3-1 PURPOSE... L3-1 L3.1. DEAD-END STRUCTURE... L3-1 L3.2. TRANSFORMERS... L3-1 L3.3. VOLTAGE REGULATION... L3-2 L3.4. POWER FACTOR... L3-3 L3.5. CIRCUIT BREAKER OR OTHER FAULT INTERRUPTING DEVICES... L3-3 L3.6. RULES FOR TAPPING TRANSMISSION LINES... L3-3 L3.7. SWITCHES... L3-4 L Manual Disconnects... L3-4 L Tap Switch... L3-5 L Line Selector Switches... L3-5 L3.8. INTERCONNECTION OF LOAD ENTITY S OR TRANSMISSION ENTITY S SUBSTATION WITH PG&E S SYSTEM... L3-5 L3.9. LOAD ENTITY OR TRANSMISSION ENTITY INTERFERENCE WITH POWER QUALITY... L3-6 SECTION L4: OPERATING PROCEDURES AND REQUIREMENTS FOR LOAD-ONLY AND TRANSMISSION-ONLY ENTITIES... L4-1 PURPOSE... L4-1 APPLICABILITY... L4-1 L4.1. JURISDICTION OF THE ISO AND THE DESIGNATED PG&E CONTROL CENTER... L4-1 L4.2. COMMUNICATIONS... L4-1 L4.3. ATTENDED LOAD FACILITIESOR TRANSMISSION FACILITIES REQUIREMENTS... L4-2 L Voltage Control Device Operation and Special Service Requirements... L4-2 L Connecting and Separating from the Power System... L4-2 L Clearances and Switching Requests... L4-2 ii

3 L Unusual or Emergency Conditions... L4-2 L Other Communications... L4-3 L4.4. UNATTENDED LOAD FACILITIES REQUIREMENTS... L4-4 L Verification of Energized Circuit... L4-4 L Separation/Restoration... L4-4 L4.5. SPECIAL SERVICE REQUIREMENTS... L4-4 L4.6. LOAD ENTITY OR TRANSMISSION ENTITY INTERFERENCE WITH POWER QUALITY... L4-4 SECTION L5: PRE-ENERGIZATION TEST PROCEDURES FOR LOAD-ONLY ENTITIES AND TRANSMISSION-ONLY ENTITIES... L5-1 PURPOSE... L5-1 L5.1. TESTS REQUIRED FOR LOAD ENTITIES PRIOR TO ENERGIZING... L5-1 L Proving Insulation... L5-1 L Proving Ratios... L5-2 L Circuit Breakers and Circuit Switchers... L5-2 L Current Transformers and Current Circuits... L5-2 L Relays... L5-3 L Primary Disconnect Switch... L5-3 L Station Battery... L5-3 L5.2. ENERGIZING... L5-3 L5.3. GENERAL NOTES... L5-4 CONTACT INFORMATION SHEET... L5-5 SECTION G1: METERING REQUIREMENTS FOR TRANSMISSION GENERATION ENTITIES... G1-1 PURPOSE:... G1-1 APPLICABILITY... G1-1 G1.1. BASIC METERING REQUIREMENTS FOR GENERATORS... G1-1 G1.2. DETAILED METERING REQUIREMENTS FOR GENERATORS... G1-3 G Metering Configurations For New Generators... G1-3 G Metering Requirements For New Generators... G1-3 G Wholesale Generators... G1-3 G Metering Generator s Loads... G1-4 G1.3. TELEMETERING REQUIREMENTS FOR GENERATOR MONITORING... G1-4 G For New Generation Facilities 1,000 kw or Greater... G1-4 G For New Generation Facilities Less Than 1,000 kw... G1-4 G1.4. METERING CURRENT AND VOLTAGE TRANSFORMERS FOR GENERATORS... G1-4 SECTION G2: PROTECTION AND CONTROL REQUIREMENTS FOR TRANSMISSION GENERATION ENTITIES... G2-1 PURPOSE... G2-1 APPLICABILITY... G2-1 G2.1. PROTECTIVE RELAY REQUIREMENTS... G2-1 G2.2. RELIABILITY AND REDUNDANCY... G2-3 G2.3. RELAY GRADES... G2-4 G2.4. LINE PROTECTION... G2-4 G2.5. GENERATOR PROTECTION AND CONTROL... G2-7 G Phase Overcurrent... G2-9 G Over/Undervoltage Relay... G2-9 G Over/Underfrequency Relay... G2-9 G Ground and Phase Fault Sensing Scheme... G2-9 G General:... G2-9 G Ground Grid Requirements... G2-9 G Overcurrent Relay with Voltage Restraint/Voltage Control or Impedance Relay... G2-10 G Reverse Power Relay... G2-10 G2.6. DEDICATED TRANSFORMER... G2-10 G2.7. MANUAL DISCONNECT SWITCH... G2-11 G General... G2-11 iii

4 G Specifications... G2-12 G2.8. FAULT-INTERRUPTING DEVICES... G2-12 G Circuit Breakers... G2-12 G Circuit Switchers... G2-13 G Relay Class Current Transformers (CT)... G2-13 G2.9. SYNCHRONOUS GENERATORS... G2-13 G Synchronizing Relays... G2-13 G Automatic Synchronizers Approved by PG&E See Table G2-4 for PG&E-approved devices.. G2-14 G Automatic Synchronizers (not on PG&E s approved list) Supervised by a PG&E-Approved Synchronizing Relay... G2-14 G Manual Synchronization Supervised by a Synchronizing Relay... G2-14 G Manual Synchronization With Synch-Check Relay... G2-15 G Frequency/Speed Control... G2-15 G Excitation System Requirements... G2-15 G Voltage Regulator... G2-16 G Power Factor Controller... G2-17 G2.10. INDUCTION GENERATORS... G2-17 G2.11. DC GENERATORS... G2-17 G Inverters Capable of Stand-Alone Operation... G2-17 G Inverters Incapable of Stand-Alone Operation... G2-18 G2.12. SPECIAL PROTECTION SYSTEMS... G2-19 G2.13. REMEDIAL ACTION SCHEME (RAS) PARTICIPATION REQUIREMENT FOR GENERATION FACILITIES... G2-19 G2.14. EVENT RECORDER... G2-20 G2.15. EMERGENCY GENERATOR REQUIREMENTS... G2-20 G Break Before Make... G2-20 G Make Before Break... G2-20 G Interconnection Requirements... G2-20 G Interconnection Protection Study... G2-21 G Transfer Switch... G2-21 G Notification and Documentation... G2-21 G Operation/Clearance... G2-21 G Break Before Make Specific Requirements... G2-21 G Transfer Switch... G2-21 G Make Before Break Requirements... G2-22 G Transfer Switch... G2-22 G Manual Disconnect... G2-22 G Synchronizing Function... G2-22 G Protection... G2-23 G Dedicated Transformer... G2-23 G2.16. PARALLEL-ONLY (NO SALE) GENERATOR REQUIREMENT... G2-23 G2.17. GENERATION ENTITY-OWNED PRIMARY OR TRANSMISSION VOLTAGE TAP LINES (60 KV AND ABOVE)... G2-24 G2.18. PG&E PROTECTION AND CONTROL SYSTEM CHANGES WHICH MAY BE REQUIRED TO ACCOMMODATE GENERATOR INTERCONNECTION... G2-24 G2.19. DIRECT TELEPHONE SERVICE... G2-25 G2.20. STANDBY STATION SERVICE... G2-25 G2.21. STATION BATTERY... G2-25 SECTION G3: OPERATING REQUIREMENTS FOR TRANSMISSION GENERATIN ENTITIES... G3-1 PURPOSE... G3-1 APPLICABILITY... G3-1 G3.1. REACTIVE AND VOLTAGE COLTROL REQUIREMENTS FOR GENERATORS... G3-1 G Synchronous Generator Control... G3-2 G Frequency/Speed Control... G3-2 G Voltage Control... G3-2 G Power System Stabilizer Operating Requirements For Generators... G3-2 G Power Factor Control... G3-2 G Non-Synchronous Generator Control (without Var Control)... G3-3 iv

5 G Induction Generators Larger Than 40 kw... G3-3 G Inverter-Based Generating Facilities... G3-3 G3.2. GENERATOR STEP-UP TRANSFORMER... G3-4 G3.3. POWER QUALITY REQUIREMENTS... G3-4 G Voltage Fluctuation Limits... G3-4 G Harmonic Limits... G3-4 G3.4. VOLTAGE RIDE-TROUGH REQUIREMENTS... G3-5 SECTION G4: OPERATING PROCEDURES FOR TRANSMISSION GENERATION ENTITIES... G4-1 PURPOSE... G4-1 APPLICABILITY... G4-1 G4.1. JURISDICTION OF THE CAISO AND THE PG&E GRID CENTER (GCC)... G4-1 G4.2. COMMUNICATIONS... G4-1 G Daily Capacity and Energy Reports... G4-2 G Voltage Control Operation and Other Service Requirements... G4-2 G Paralleling to and Separating from PG&E (Attended Generating Facilities Only)... G4-3 G Clearances and Switching Requests... G4-3 G Unusual or System Emergency Conditions... G4-3 G Emergency/Backup Generators... G4-4 G Other Communications... G4-4 G4.3. UNATTENDED GENERATING FACILITIES... G4-5 G Verification of Energized Circuit... G4-5 G Loss of Power/Automatic Re-paralleling... G4-5 G Event Recorder... G4-6 G4.4. PROCEDURES ON TRANSFER TRIP PROTECTION FOR GENERATION FACILITIES... G4-6 G Purpose and Definition... G4-6 G Separation Following Loss of Transfer-Trip Protection... G4-7 G Procedures... G4-7 G Separation Orders... G4-8 G Non-Compliance Separation Order... G4-8 G Re-parallel of Generating Facility After Restoration of TT Protection... G4-8 G4.5. GENERATION ENTITY INTERFERENCE WITH POWER QUALITY... G4-9 SECTION G5: ENERGIZATION AND SYNCHRONIZATION REQUIREMENTS FOR TRANSMISSION GENERATION ENTITIES... G5-1 PURPOSE... G5-1 G5.1. TEST RESULTS AND/OR INFORMATION REQUIRED PRIOR TO PRE-PARALLEL TESTING... G5-1 G Proving Insulation... G5-1 G Proving Ratios... G5-2 G Circuit Breakers and Circuit Switchers... G5-2 G Current Transformers and Current Circuits... G5-2 G Relays... G5-3 G Primary Disconnect Switch... G5-3 G RTU/RIG/DPU... G5-3 G Station Battery... G5-3 G5.2. PRE-PARALLEL INSPECTION (PPI)... G5-3 G Functional Tests... G5-4 G Data Telemetry Tests... G5-4 G5.3. REQUIREMENTS FOR PARALLEL GENERATOR OPERATION... G5-5 G Clearance for Parallel Operation (For Testing Purposes Only)... G5-5 G Impedance and Directional Relay Tests... G5-5 G Generator Load Tests... G5-6 G Power System Stabilizer (PSS)... G5-6 G Model Testing and Validation Report... G5-8 G Signage Requirements... G5-8 v

6 G5.4. PERMISSION TO COMMENCE COMMERCIAL OPERATION... G5-8 G5.5. GENERAL NOTES... G5-9 SECTION G6: SITING POLICY AND REQUIREMEENTS FOR TRANSMISSION GENERATION ENTITIES... G6-1 PURPOSE... G6-1 APPLICABILITY... G6-1 POLICY... G6-1 G6.1. CRITERIA FOR NEW OR PROPOSED RE-POWERING PROJECTS... G6-1 G /70 kv, 115kV, 230kV & 500kV TRANSMISSION FACILITIES... G6-1 G GENERATOR TAP LINES... G6-1 APPENDIX A: WHERE TO OBTAIN REFERENCE DOCUMENTS AND INFORMATION... AA-1 APPENDIX D: ENGINEERING NUMBERED DOCUMENTS... AD-1 APPENDIX F: TELEMETERING AND TRANSFER TRIP FOR TRANSMISSION GENERATION ENTITIES... AF-1 F.0. NOTIFICATION... AF-2 F.1. APPLICATIONS... AF-2 F.2. GENERAL REQUIREMENTS... AF-3 F2.1. EMS/SCADA Telemetering... AF-4 F SCADA Telemetering for all Generation Facilities... AF-4 F EMS/SCADA Telemetering for Generation Facilities 1 MW or Greater... AF-5 F2.2. Protection... AF-6 F2.3. Business Telephone and Revenue Metering... AF-9 F2.4. Environmental Considerations.... AF-9 F.3. INSTALLATION OF LEC ENTRANCE CABLE IN SUBSTATIONS (RISK - SEE SECTION F.0. NOTIFICATION)... AF-10 F.4. CIRCUIT REQUIREMENTS FOR PROTECTIVE RELAYING AND EMS/SCADA CIRCUITS INSTALLED BETWEEN GENERATION FACILITY STATIONS AND PG&E POWER SUBSTATIONS (RISK - SEE SECTION F.0. NOTIFICATION)... AF-10 F.5. ADDITIONAL DIRECT TRANSFER TRIP (DTT) TELECOMMUNICATION OPTIONS... AF-12 F.5.1. Option 1. All Fiber... AF-12 F.5.2. Option 2. Fiber / Channelized T1 using fiber based HVP protection... AF-13 F5.3. Option 3 - Copper / Channelized T1 using copper HVP... AF-14 F.6. DEFINITIONS... AF-15 F7.0 FIGURES... AF-17 APPENDIX H: POWER SYSTEM STABILIZER... AH-1 APPENDIX I: LOAD OPERATING AGREEMENT... AI-1 PURPOSE... AI-1 APPLICABILITY... AI-1 ATTACHMENT... AI-1 APPENDIX J: SPECIAL AGREEMENT FOR ELECTRICAL STANDBY SERVICE... AJ-1 PURPOSE... AJ-1 APPLICABILITY... AJ-1 RELEVANT DOCUMENTS... AJ-1 APPENDIX K: LOAD SPECIAL FACILITIES AGREEMENT... AK-1 APPENDIX L: INTERCONNECTION AGGREMENTS FOR GENERATORS CONNECTING TO THE ISO CONTROLLED GRID... AL-1 PURPOSE AND APPLICABILITY... AL-1 RELEVANT DOCUMENTS... AL-1 APPENDIX M: GENERATION INTERCONNECTION DATA SHEET... AM-1 vi

7 APPENDIX N: GENERATOR DATA SHEET FOR SYNCHRONOUS GENERATORS CONNECTED TO PG&E ELECTRIC SYSTEM... AN-1 APPENDIX Q: GENERATOR AUTOMATIC SYNCHRONIZERS FOR GENERATION ENTITIES... AQ-1 Q1.1. OPERATION AND PERFORMANCE REQUIREMENTS...AQ-1 APPENDIX R: PROTECTIVE RELAY REQUIREMENTS AND APPROVALS... AR-1 R.1. REQUIREMENTS... AR-2 APPENDIX S: PROTECTION ALTERNATIVES FOR VARIOUS GENERATOR CONFIGURATIONS... AS-1 S1. STANDARD INTERCONNECTION METHODS WITH TYPICAL CIRCUIT CONFIGURATION FOR SINGLE OR MULTIPLE UNITS... AS-1 S1.1. Generator Connected Into a Ring Bus... AS-1 S1.2. Generator Connected Into a Breaker-and A-Half (BAAH) Bus... AS-1 S1.3. Bus Fault Clearing... AS-2 S2. INTERCONNECTION METHODS WITH SPECIAL CIRCUIT CONFIGURATIONS FOR SINGLE UNIT... AS-2 S2.1. Alternative--Generator Tapping To Existing Transmission Line between Two Terminals, considered only at voltages below 230kV... AS-2 S2.3. Generator Tapping closely outside the Substation Between Two Existing Terminals... AS-3 S2.4. Generator Connected Close Outside the Substation with a Dedicated Line... AS-4 S2.5. Requirements for S2.3 and S2.4 Alternatives... AS-4 S2.6. Additional Items for Consideration... AS-5 APPENDIX T: BATTERY REQUIREMENTS FOR INTERCONNECTION TO PG&E SYSTEM... AT-1 vii