INTERMOUNTAIN POWER PROJECT: PROJECT ALTERNATIVES, APPENDICES AND REFERENCES

By B. LUVAO

1 OVERVIEW 2 NORMATIVE REFERENCES 3 DEFINITIONS, ACRONYMS, AND ABBREVIATIONS 4 GENERAL INTERCONNECTION TECHNICAL SPECIFICATIONS AND PERFORMANCE REQUIREMENTS 5 REACTIVE POWER-VOLTAGE CONTROL REQUIREMENTS WITHIN THE CONTINUOUS OPERATION REGION 6 ACTIVE-POWER—FREQUENCY RESPONSE REQUIREMENTS 7 RESPONSE TO TS ABNORMAL CONDITIONS 8 POWER QUALITY 9 PROTECTION 10 MODELING DATA 11 MEASUREMENT DATA FOR PERFORMANCE MONITORING AND VALIDATION 12 TEST AND VERIFICATION REQUIREMENTS CONTENTS ANNEX A (INFORMATIVE) BIBLIOGRAPHY ANNEX B (INFORMATIVE) INVERTER-BASED RESOURCE (IBR) INTERCONNECTION EXAMPLES ANNEX C (INFORMATIVE) INVERTER STABILITY AND SYSTEM STRENGTH ANNEX D (INFORMATIVE) ILLUSTRATION OF VOLTAGE RIDE-THROUGH CAPABILITY REQUIREMENTS ANNEX E (INFORMATIVE) RECOMMENDED PRACTICES FOR VOLTAGE HARMONICS OF INVERTER-BASED RESOURCES (IBRS) ANNEX F (INFORMATIVE) GUIDANCE ON SETTING PROTECTION WITH INVERTER-BASED RESOURCES (IBRS) ANNEX G (INFORMATIVE) RECOMMENDATION FOR MODELING DATA ANNEX H (INFORMATIVE) DATA THAT TRANSMISSION SYSTEM (TS) OWNER AND TS OPERATOR MAY PROVIDE TO THE INVERTER-BASED RESOURCE (IBR) DEVELOPER ANNEX I (INFORMATIVE) ILLUSTRATION OF VOLTAGE RIDE-THROUGH PERFORMANCE REQUIREMENTS ANNEX J (INFORMATIVE) TYPE III WIND TURBINE GENERATOR (WTG) CHALLENGES WITH CONTROLLABILITY OF NEGATIVESEQUENCE CURRENT DURING UNBALANCED FAULTS ANNEX K (INFORMATIVE) GUIDANCE ON FAST FREQUENCY RESPONSE (FFR) ANNEX L (INFORMATIVE) DAMPING RATIO ANNEX M (INFORMATIVE) CONSECUTIVE VOLTAGE DEVIATION RIDE-THROUGH CAPABILITY OF ISOLATED INVERTER- BASED RESOURCES (IBRS) INTERCONNECTED VIA VOLTAGE SOURCE CONVERTER HIGH-VOLTAGE DIRECT CURRENT (VSC-HVDC) [B93], MOD-027-1 [B94], PRC-002-2 [B96], PRC-024-2 [B97], TPL-001-4 [B98], VAR-002-4 1 [B99]; STANDARD AUTHORIZATION REQUESTS (SARS) ARE UNDERWAY TO CLOSE THESE GAPS 9 TRANSMISSION PLANNING MAY ADDRESS BULK SYSTEM STABILITY OVER THE NEXT ONE OR TWO DECADES INTERMOUNTAIN POWER PROJECT 1 2 SCOPE THIS STANDARD ESTABLISHES THE REQUIRED INTERCONNECTION CAPABILITY AND PERFORMANCE CRITERIA FOR INVERTER-BASED RESOURCES INTERCONNECTED WITH TRANSMISSION AND SUB-TRANSMISSION SYSTEMS 10, 11, 12 INCLUDED IN THIS STANDARD ARE PERFORMANCE REQUIREMENTS FOR RELIABLE INTEGRATION OF INVERTER-BASED RESOURCES INTO THE BULK POWER SYSTEM, INCLUDING, BUT NOT LIMITED TO: VOLTAGE AND FREQUENCY RIDE-THROUGH, ACTIVE POWER CONTROL, REACTIVE POWER CONTROL, DYNAMIC ACTIVE POWER SUPPORT UNDER ABNORMAL FREQUENCY CONDITIONS, DYNAMIC VOLTAGE SUPPORT UNDER ABNORMAL VOLTAGE CONDITIONS, POWER QUALITY, NEGATIVE SEQUENCE CURRENT INJECTION, AND SYSTEM PROTECTION THIS STANDARD SHALL ALSO BE APPLIED TO ISOLATED INVERTER-BASED RESOURCES THAT ARE INTERCONNECTED TO AN AC TRANSMISSION SYSTEM VIA A DEDICATED VOLTAGE SOURCE CONVERTER HIGH-VOLTAGE DIRECT CURRENT (VSC-HVDC) TRANSMISSION FACILITY; IN THESE CASES, THE STANDARD SHALL APPLY TO THE COMBINATION OF THE ISOLATED IBR AND THE VSC-HVDC FACILITY AND SHALL NOT APPLY TO THE ISOLATED IBR UNLESS THEY SERVE AS A SUPPLEMENTAL IBR DEVICE THAT IS NECESSARY FOR THE IBR PLANT WITH VSC-HVDC TO MEET THE REQUIREMENTS OF THIS STANDARD AT THE REFERENCE POINT OF APPLICABILITY 1 3 PURPOSE THIS STANDARD PROVIDES UNIFORM TECHNICAL MINIMUM REQUIREMENTS FOR THE INTERCONNECTION, CAPABILITY, AND PERFORMANCE OF INVERTER-BASED RESOURCES INTERCONNECTING WITH TRANSMISSION AND SUB-TRANSMISSION SYSTEMS 1 4 GENERAL REMARKS AND LIMITATIONS THE CRITERIA AND REQUIREMENTS IN THIS DOCUMENT ARE APPLICABLE TO ALL INVERTER-BASED RESOURCE TECHNOLOGIES INTERCONNECTED TO TRANSMISSION SYSTEMS (TSS) (I E , BOTH MESHED/NETWORKED AND RADIAL TRANSMISSION AND SUB- TRANSMISSION) VOLTAGE LEVELS FOR RADIAL SUB-TRANSMISSION SYSTEMS, THIS STANDARD INTENTIONALLY OVERLAPS WITH POTENTIAL APPLICATION OF IEEE STD 1547™, IN WHICH CASE IT REMAINS AT THE DISCRETION OF THE AUTHORITY GOVERNING INTERCONNECTION REQUIREMENTS (AGIR) TO DECIDE WHICH STANDARD IS APPLICABLE THE APPLICATION OF THIS STANDARD MAY BE LIMITED TO IBR PLANTS FOR WHICH INTERCONNECTION REQUESTS ARE SUBMITTED AFTER THE DATE BY WHICH THIS STANDARD IS ENFORCED BY THE RESPONSIBLE AUTHORITY GOVERNING INTERCONNECTION REQUIREMENTS (AGIRS); THIS STANDARD MAY NOT APPLY TO IBR PLANTS THAT ARE EITHER ALREADY INTERCONNECTED OR FOR WHICH INTERCONNECTION REQUESTS HAD BEEN SUBMITTED PRIOR TO THE STANDARD’S ENFORCEMENT DATE (GRANDFATHERING) ANY SUBSTANTIAL CHANGES IN AN EXISTING IBR PLANT, E G , THE “REPOWERING” OF A WIND POWER PLANT, MAY REQUIRE RETROFITTING THAT IBR PLANT TO MEET ALL OF THE REQUIREMENTS OF THIS STANDARD THE STATED CAPABILITY AND PERFORMANCE REQUIREMENTS ARE UNIVERSALLY NEEDED FOR INTERCONNECTION OF IBR PLANTS TO TRANSMISSION AND SUB-TRANSMISSION SYSTEMS AND THEIR INTEROPERABILITY, AND WILL BE SUFFICIENT FOR MOST INSTALLATIONS THIS STANDARD SPECIFIES TECHNICAL MINIMUM INTERCONNECTION, CAPABILITY, AND PERFORMANCE REQUIREMENTS FOR AN IBR PLANT, ITS IBR UNIT(S), AND IF PRESENT AND AS APPLICABLE, ITS SUPPLEMENTAL IBR DEVICE(S) 13 WHILE THIS STANDARD SPECIFIES UNIFORM TECHNICAL MINIMUM REQUIREMENTS, THE TS OPERATOR AND TS OWNER MAY, IN A NON-DISCRIMINATORY WAY, SPECIFY DIFFERENT AND/OR ADDITIONAL REQUIREMENTS THAN THOSE SPECIFIED IN THIS STANDARD FOR THE SAFE AND RELIABLE OPERATIONS OF THEIR SYSTEM NON-COMPLIANCE OF THE IBR 10 REQUIREMENTS APPLY TO INVERTER-BASED RESOURCES (IBRS) ONLY, E G , SOLAR PHOTOVOLTAIC, WIND, AND ENERGY STORAGE SYSTEMS OR COMBINATIONS OF SUCH THIS EXCLUDES ANY SYSTEMS THAT ARE NOT RESOURCES, E G , FLEXIBLE AC TRANSMISSION SYSTEMS (FACTS) AND SYNCHRONOUS CONDENSERS, AND ANY RESOURCES THAT ARE NOT INVERTER-BASED, E G , GAS AND STEAM POWER PLANTS WITH SYNCHRONOUS GENERATORS 11 THIS STANDARD DOES NOT EXPLICITLY SPECIFY REQUIREMENTS FOR HVDC HOWEVER, IT SPECIFIES REQUIREMENTS FOR INVERTER-BASED RESOURCES (GENERATION AND STORAGE) AND THAT INCLUDES ISOLATED IBR THAT ARE INTERCONNECTED TO AN AC TRANSMISSION SYSTEM VIA A DEDICATED VOLTAGE SOURCE CONVERTER (VSC) HIGH-VOLTAGE DIRECT CURRENT (HVDC) TRANSMISSION FACILITY, E G , AN OFFSHORE WIND PARK IN THESE CASES, THE COMBINATION OF ISOLATED IBR AND VSC-HVDC TRANSMISSION FACILITY IS REGARDED AS THE IBR TO WHICH THIS STANDARD IS APPLICABLE THIS STANDARD IS NOT INTENDED TO SPECIFY REQUIREMENTS FOR VSC-HVDC THAT CONNECT TWO BUSES IN A MESHED SYNCHRONOUS AC SYSTEM 12 RESOURCES WITH DOUBLY-FED GENERATORS (DFGS) ARE DEFINED AS IBR, BUT REQUIREMENTS SPECIFIED FOR IBR PLANTS WITH DFG IN THIS STANDARD MAY SLIGHTLY DIFFER, WHERE APPROPRIATE 13 MOST OF THE REQUIREMENTS SPECIFIED IN THIS STANDARD APPLY TO THE IBR PLANT; HOWEVER, THEY ARE NOT INTENDED TO APPLY TO EACH EQUIPMENT WITHIN THE IBR PLANT WHEN DESIGNING COMPONENTS WITHIN AN IBR PLANT IT IS NORMALLY NECESSARY TO CONSIDER THE APPLICABLE DESIGN STANDARDS, BUT IT MAY ALSO BE NECESSARY TO MEET MORE STRINGENT REQUIREMENTS AS DETERMINED IN THE IBR PLANT DESIGN EVALUATION (SEE 12 2 3) INTERMOUNTAIN POWER PROJECT NOTE 2—A “PERFORMANCE REQUIREMENT” IS NOT AN “UTILIZATION REQUIREMENT ” AN “UTILIZATION REQUIREMENT” IS, IN COLLOQUIAL TERMS, A REQUIREMENT THAT ENSURES THE IBR PLANT (OR IBR UNIT) IS “ACTUALLY PROVIDING” A SPECIFIED PERFORMANCE, FOR EXAMPLE, BY ENABLING A SPECIFIED CAPABILITY THAT MAKES THE IBR CONTINUOUSLY DELIVER A PERFORMANCE CONSISTENT WITH THE SPECIFIED DEFAULT VALUES FOR FUNCTIONAL SETTINGS AS CLARIFIED IN THE LIST OF WHAT REMAINS OUTSIDE THE SCOPE OF THIS STANDARD BELOW, REQUIREMENTS FOR UTILIZATION OF ANY OF THE CAPABILITIES SPECIFIED IN THIS STANDARD ARE OUTSIDE THE SCOPE OF THIS STANDARD AUTHORITIES GOVERNING INTERCONNECTION REQUIREMENTS SHOULD ADOPT THIS STANDARD WITH FUNCTIONAL RESPONSIBILITIES FOR ENTITIES INVOLVED IN AND COORDINATING IN THE IBR INTERCONNECTION PROCESS, I E , TS OWNER, TS OPERATOR, LOAD BALANCING ENTITY, IBR OWNER, IBR OPERATOR, AND IBR DEVELOPER, AS APPLICABLE TO THE GIVEN REGULATORY FRAMEWORK CERTAIN IBR UNITS (E G , TYPE III WIND TURBINE GENERATORS [WTGS]) HAVE BEEN GIVEN DIFFERENT SPECIFICATIONS AND REQUIREMENTS THROUGHOUT THIS STANDARD AS A PERFORMANCE AND NOT A DESIGN STANDARD, THIS STANDARD ALLOWS FOR ALTERNATE MEANS OF COMPLIANCE AS LONG AS ALL SPECIFIED REQUIREMENTS ARE FULFILLED AT THE REFERENCE POINT OF APPLICABILITY (RPA) THE REQUIREMENTS SPECIFIED IN THIS STANDARD ARE INTENDED TO APPLY OVER THE LIFETIME OF THE IBR PLANT WHEN THE TS OPERATING AND NETWORK CONDITIONS CHANGE SIGNIFICANTLY ENOUGH THAT CHANGES IN THE IBR PLANT MAY BECOME NECESSARY TO RELIABLY OPERATE THE IBR PLANT TO SUPPORT, OR NOT DEGRADE, TS RELIABILITY, EQUITABLE REMEDY MEASURES SHALL BE COORDINATED BETWEEN THE TS OWNER AND THE TS OPERATOR, AND THE IBR OWNER AND THE IBR OPERATOR 15, WHERE APPLICABLE, THE STATED TECHNICAL SPECIFICATIONS AND REQUIREMENTS ARE GIVEN IN GENERATOR SIGN CONVENTION, WHICH IS OPPOSITE TO LOAD SIGN CONVENTION IN GENERATOR SIGN CONVENTION, AN IBR CURRENT LAGGING VOLTAGE PROVIDES/INJECTS REACTIVE POWER TO THE SYSTEM (POSITIVE REACTIVE POWER); AN IBR CURRENT LEADING VOLTAGE CONSUMES/ABSORBS REACTIVE POWER FROM THE SYSTEM (NEGATIVE REACTIVE POWER) THE FOLLOWING LIST DESCRIBES WHAT REMAINS OUTSIDE THE SCOPE OF THIS STANDARD: ? HOW THIS STANDARD IS ADOPTED OR ENFORCED IN A SPECIFIC REGULATORY CONTEXT BY THE AGIR ? THIS STANDARD INTENTIONALLY DOES NOT DEFINE THE SYSTEM VOLTAGE LEVELS FOR APPLICATION OF THE REQUIREMENTS OF THIS STANDARD, BUT LEAVES THE APPLICABILITY AND ENFORCEMENT OF THIS STANDARD AT THE DISCRETION OF THE AGIR 14 NOTES IN TEXT, TABLES, AND FIGURES OF A STANDARD ARE GIVEN FOR INFORMATION ONLY AND DO NOT CONTAIN REQUIREMENTS NEEDED TO IMPLEMENT THIS STANDARD 15 EXAMPLES FOR SIGNIFICANT TS OPERATING AND NETWORK CONDITION CHANGES ARE NEW PLANTS INTERCONNECTING CLOSE TO AN IBR PLANT, INSTALLATION OF NEW EQUIPMENT BY THE TS OWNER, AND CHANGES IN THE SHORT-CIRCUIT RATIO (SCR) AT THE REFERENCE POINT OF APPLICABILITY 16 REMEDY MEASURES MAY INCLUDE IBR PLANT CONTROL PARAMETER CHANGES AND HARDWARE CHANGES, AS APPLICABLE INTERMOUNTAIN POWER PROJECT ? THIS STANDARD DOES NOT DEFINE THE MAXIMUM IBR CAPACITY FOR A PARTICULAR INSTALLATION THAT MAY BE INTERCONNECTED TO A SINGLE POINT OF INTERCONNECTION (POI) OR CONNECTED TO A GIVEN TS ? THIS STANDARD DOES NOT SPECIFY THE SCOPE AND REQUIREMENTS FOR INTERCONNECTION STUDIES SUBJECT TO A SPECIFIC REGULATORY CONTEXT, THE TS OWNER/TS OPERATOR SHOULD CONDUCT AN INTERCONNECTION STUDY IN COORDINATION WITH THE IBR OWNER THAT MAY INCLUDE VERIFICATION OF REQUIREMENTS WITH THIS STANDARD ? THIS STANDARD DOES NOT SPECIFY CAPABILITY AND PERFORMANCE REQUIREMENTS FOR AN IBR PLANT TO PROVIDE POWER OSCILLATION DAMPING CONTROLS AT THE TIME OF WRITING OF THIS STANDARD, POWER OSCILLATION DAMPING CONTROLS ARE STILL EMERGING AND STANDARDIZATION IN TERMS OF BOTH CAPABILITY AND PERFORMANCE IS NOT PRACTICAL THE TS OWNER/TS OPERATOR IN MUTUAL AGREEMENT WITH THE IBR OWNER MAY REQUIRE POWER OSCILLATION DAMPING CAPABILITY AND SPECIFY PERFORMANCE REQUIREMENTS ? THIS STANDARD DOES NOT APPLY TO THE NON-IBR PART OF A HYBRID PLANT OR CO-LOCATED PLANT SEE FIGURE 3, THE DEFINITIONS IN 3 1, AND B 3 FOR FURTHER DETAILS ? IT IS NOT THE INTENT OF THIS STANDARD TO LIMIT THE ADOPTION OF EMERGING USE CASES OF SYNCHRONOUS MACHINES, FOR EXAMPLE, THE USE OF A SYNCHRONOUS CONDENSER AS A SUPPLEMENTAL IBR DEVICE TO IMPROVE THE RIDE-THROUGH CAPABILITY OF AN IBR PLANT UNDER EXTREME CONTINGENCY CONDITIONS AT THE TIME OF WRITING OF THIS STANDARD, NEITHER DESIGN DETAILS, TEST DATA, NOR TECHNICAL LITERATURE IS AVAILABLE TO CONFIRM THAT THESE EMERGING USE CASES (I E , SYNCHRONOUS CONDENSER AS A SUPPLEMENTAL IBR DEVICE) WILL BE ABLE TO MEET ALL SPECIFIED REQUIREMENTS OF THIS STANDARD, UNLESS THE SYNCHRONOUS CONDENSER EXCEEDS APPLICABLE EQUIPMENT STANDARDS, FOR EXAMPLE, IEEE STD C50 12™ [B60], IEEE STD C50 13 [B61], AND IEC 60034-3 [B30] FOR SYNCHRONOUS MACHINES, INCLUDING SYNCHRONOUS CONDENSERS, AND ANSI/NEMA MG-1 [B4] FOR MOTORS AND GENERATORS DUE CONSIDERATION SHOULD BE GIVEN TO THE BENEFITS AND RISKS OF THE EMERGING USE CASES OF SYNCHRONOUS MACHINES IN DECIDING WHICH IBR PLANT REQUIREMENTS OF THIS STANDARD SHOULD BE ADOPTED AND WHICH MAY BE EXEMPTED THIS SHOULD BE DONE IN COORDINATION BETWEEN IBR OWNER AND TS OWNER/TS OPERATOR NOT LATER THAN THE IBR PLANT DESIGN EVALUATION WHERE CAPABILITIES AND PERFORMANCE OF A SYNCHRONOUS CONDENSER ARE ADEQUATELY CONSIDERED ? ANY INDIVIDUAL SUPPLEMENTAL IBR DEVICE SHALL NOT BE EXPECTED TO MEET ANY GIVEN PERFORMANCE REQUIREMENT SPECIFIED BY THIS STANDARD ON A STANDALONE BASIS THE IBR PLANT (OR THE IBR UNIT[S], AS 17 SOME OF THE REQUIREMENTS IN THIS STANDARD ARE OUTSIDE THE NORMAL RANGES FOR COMPONENTS COVERED IN APPLICABLE EQUIPMENT STANDARDS, SUCH AS VOLTAGE RANGES, FREQUENCY RANGES, RIDE-THROUGH REQUIREMENTS, AND TESTING REQUIREMENTS IBR UNITS OFTEN HAVE MORE CAPABILITY THAN NON-IBR UNITS WITH RESPECT TO MANY OF THESE REQUIREMENTS WHEN DESIGNING AN IBR PLANT, THE VARIOUS REQUIREMENTS AND PERFORMANCE LIMITATIONS OF ALL THE EQUIPMENT AND SUPPLEMENTAL IBR DEVICES WITHIN AN IBR PLANT NEEDED TO MEET THE REQUIREMENTS OF THIS STANDARD AT THE IBR PLANT–LEVEL SHOULD BE CONSIDERED IN SOME CASES, THE REQUIREMENTS IN THIS STANDARD MAY REQUIRE SPECIFICATIONS FOR THE SUBCOMPONENTS THAT ARE MORE STRINGENT THAN THE PRESENT EQUIPMENT STANDARDS IN OTHER CASES, THE IBR PLANT DESIGN MAY BE COMPLIANT TO THIS STANDARD WITHOUT CHANGING THE NORMAL REQUIREMENTS OF ITS INTEGRAL COMPONENTS OR SUPPLEMENTAL IBR DEVICES INTERMOUNTAIN POWER PROJECT ? THIS STANDARD DOES NOT APPLY TO INTERCONNECTION OR TRANSFER SCHEMES ASSOCIATED WITH LOAD CIRCUITS ON THE TS NOR DOES IT APPLY TO TRANSMISSION LOADING RELIEF ACTIONS ? THIS STANDARD DOES NOT GIVE ANY NORMATIVE GUIDANCE REGARDING HOW THE TS OPERATOR OR THE TS OWNER MAY SPECIFY FUNCTIONAL PARAMETER SETTINGS OF AN IBR, OTHER THAN THE DEFAULT SETTING WITHIN THE SPECIFIED RANGES OF AVAILABLE SETTINGS ? THIS STANDARD DOES NOT ADDRESS SINGLE-PHASE OPEN CONDITIONS OF IBRS ? THIS STANDARD DOES NOT ADDRESS EFFECTS OF SINGLE-POLE TRIPPING AND RECLOSING EMPLOYED ON TS ON PERFORMANCE OF IBRS THE TS OWNER MAY SPECIFY ADDITIONAL PERFORMANCE REQUIREMENTS FOR SATISFACTORY OPERATION OF IBR PLANTS DURING SINGLE PHASE TRIPPING AND RECLOSING EVENTS ? THIS STANDARD DOES NOT ADDRESS EFFECTS OF INCREASING PENETRATION OF IBRS SUCH AS THE IMPACT OF LOSS OF INERTIA, LOSS OF FAULT DUTY, ETC , AS WELL AS THE IMPACT OF THE INTERMITTENT AND VARIABLE NATURE OF CERTAIN IBR GENERATION TYPES ON RELIABILITY OF THE BPS ? REQUIREMENTS FOR UTILIZATION—E G , ENABLING A FUNCTION OR MODE AND THE CONFIGURATION OF ITS CONTROL PARAMETERS TO DELIVER A SPECIFIED PERFORMANCE—OF ANY CAPABILITIES SPECIFIED IN THIS STANDARD AND PROVISION OF THE SPECIFIED PERFORMANCE AS A SERVICE ARE OUTSIDE THE SCOPE OF THIS STANDARD AND REMAIN IN THE PURVIEW OF INTERCONNECTION AGREEMENTS AND MAY BE SPECIFIC TO THE REGULATORY CONTEXT AS CREATED BY THE COGNIZANT AND RESPONSIBLE ENTITY ? OTHER THAN SPECIFYING THE PROVISION AND CAPABILITY OF SECURE COMMUNICATION AT THE IBR, THIS STANDARD DOES NOT DETERMINE THE COMMUNICATION NETWORK SPECIFICS (E G , ARCHITECTURE) NOR THE UTILIZATION OF THE IBR PROVISIONS FOR AN IBR INTERFACE CAPABLE OF COMMUNICATING (LOCAL IBR COMMUNICATION INTERFACE) TO SUPPORT THE INFORMATION EXCHANGE REQUIREMENTS SPECIFIED IN THIS STANDARD ? THIS STANDARD DOES NOT ADDRESS CAPABILITY OF IBR PLANTS TO REMAIN IN OPERATION DURING ENVIRONMENTAL CONDITIONS OUTSIDE OF THE PLANT’S DESIGN BASIS EXAMPLES INCLUDE EXTREME TEMPERATURE IMPACTS ON MECHANICAL OR ELECTRICAL COMPONENTS (INCLUDING BATTERY CAPACITY AND COMPONENT RATINGS), EXTREME WIND IMPACTS ON MECHANICAL OR STRUCTURAL COMPONENTS, SEISMIC IMPACTS ON MECHANICAL, STRUCTURAL, OR ELECTRICAL COMPONENTS, ETC THE IBR OWNER SHALL INFORM TS OWNER/TS OPERATOR OF ANY SUCH LIMITATIONS 18 REFER TO FOOTNOTES 8 AND 17; ALONG WITH NOTE 5 IN FIGURE 1; NOTE 1 TO THE DEFINITION OF HYBRID PLANT; NOTE 1 TO THE DEFINITION OF SUPPLEMENTAL IBR DEVICE; AS WELL AS 4 1 4 AND 4 1 5 19 REQUIREMENTS SPECIFIED IN 7 2 2 AND 7 3 2 DO PROVIDE CONSTRAINTS TO BE RESPECTED IN THE APPLICATION OF IBR SELF-PROTECTION 20 WHEN DEPLOYING AND CONFIGURING THE SELECTIVITY AND SENSITIVITY OF SUCH PROTECTIVE FUNCTIONS, THE TS OPERATORS MAY NEED TO COORDINATE THE PROTECTIVE FUNCTIONS TO BALANCE THE RELIABILITY RISK OF WIDE-AREA TRIPPING OF IBR PLANTS WITH THE LOAD BALANCING ENTITY WITH THE RISK OF POTENTIAL DAMAGE ON THE TRANSMISSION SYSTEM OR SUB-TRANSMISSION SYSTEM THIS MAY INCLUDE UNINTENTIONAL ISLANDING PROTECTION SCHEMES DEPLOYED BY THE TS OPERATOR TO PREVENT UNINTENTIONAL ISLANDING OF ONE OR MORE IBR PLANT(S) CONNECTED TO PARTS OF THE TRANSMISSION SYSTEM OR SUB-TRANSMISSION SYSTEM THAT MAY BECOME ISOLATED UNINTENTIONALLY DUE TO MISOPERATION OR UNINTENDED SWITCHING INTERMOUNTAIN POWER PROJECT