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PRR 830 ISSUES

PRR 830 ISSUES. “VIRTUAL” UNITS DO NOT MAKE SENSE THE TRIANGLE HAS ALWAYS BEEN WITH US CONVENTIONAL GENERATORS ARE NOT REQUIRED TO COMPLY WITH THE RECTANGLE. “ VIRTUAL” UNITS DO NOT MAKE SENSE. NEW WGR DEFINITION CREATES AGGREGATIONS OF ACTUAL WIND-POWERED TURBINES OF THE SAME TYPE

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PRR 830 ISSUES

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  1. PRR 830 ISSUES “VIRTUAL” UNITS DO NOT MAKE SENSE THE TRIANGLE HAS ALWAYS BEEN WITH US CONVENTIONAL GENERATORS ARE NOT REQUIRED TO COMPLY WITH THE RECTANGLE

  2. “VIRTUAL” UNITS DO NOT MAKE SENSE • NEW WGR DEFINITION CREATES AGGREGATIONS OF ACTUAL WIND-POWERED TURBINES OF THE SAME TYPE • THESE ARE TO BE DEFINED AS “UNITS” • NO METER POINT • ALL PROTOCOL AND GUIDE PROVISIONS APPLYING TO “UNITS” AND TO “RESOURCES” NOW APPLY TO THIS VIRTUAL POINT

  3. INTERCONNECT G G G G G G G G G

  4. THE TRIANGLE HAS ALWAYS BEEN WITH US • IS THE SAME AMOUNT OF REACTIVE CAPABILITY ON LINE AT SUMMER PEAK AS IS ON LINE AT SPRING MINIMUM? • WHEN A MULTI-UNIT CT GOES FROM TWO TURBINES OPERATING TO ONE TURBINE OPERATING THEN THE REACTIVE REQUIREMENT AT THE INTERCONNECT POINT IS REDUCED

  5. CONVENTIONAL GENERATORS ARE NOT REQUIRED TO COMPLY WITH THE RECTANGLE • “If test results are less than 90% of CURL expectation, ERCOT shall have the right to either order the PGC to produce a new CURL, or to order a re-test of the unit.”

  6. CURL • “The limiting factors such as under-excitation limiters, over-excitation limiters, ambient temperature limitations across the MW range of the unit at the unit terminals or any other factor that limits the reactive output of the unit and is verifiable through engineering calculations or testing may be produced on the corrected reactive capability curve. “ • “For all intents and purposes this new curve would take the place of the original manufacturer’s unit reactive capability curve.”

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