condensers. Generator Operators and has notified the Transmission Operator of one of the following: [Violation Risk VAR-002-WECC-2 requires that Transmission Operators may exclude hours Factor: Medium][Time Horizon:Real-time Operations] Generator Operators operate for R1.1 through R1.10 to achieve the 98% generators in automatic requirement. [Violation Risk Factor: voltage mode (automatic) 98 percent the generator is being operated in start-up, shutdown, or testing mode • That Medium] [Time Horizon: Operations of the time, excluding certain periods pursuant to a Real-time communication or a procedure that was previously provided Assessment] that qualify under the listed to the Transmission Operator;or exemptions. the generator is not being operated in automatic voltage control mode or in the •That HOW WE ARGUE ALLOWING THE control mode that was instructed by the Transmission Operator for a reason other TOP OFF THE COMPLIANCE HOOK? than start-up,shutdown,or testing. 100% of all operating hours WHAT DO WE DO WITH THE NERC Standard, VAR-002-4, requires SYNCHRONOUS CONDENSORS? ARE that Generator Operators operate THEY COVERED IN THE OTHER generators in AVR mode when STANDARD(S)? connected to the Bulk Electric System, unless instructed otherwise by the Transmission Operator, or if the Generator Operator has notified the Transmission Operator that the AVR is not operating in the automatic mode either because the generator is operating below a level the AVR can operate or for another reason. R1.1. The synchronous generator or VAR-002-4 otherwise The discretionary exemption allowed “…unless exempted.” synchronous condenser operates for less under VAR-002-4 subsumes all of than five percent of all hours during any VAR R1.1. calendar quarter. R1.2. Performing maintenance and R1, Bullet one allows for an exemption for start-up, shutdown, and testing; Because VAR-002-WECC-2, R1, testing up to a maximum of seven calendar R2, Bullet two allows for an exemption for reason other than start-up, shutdown, or Bullets 1 and two address the testing “a days per calendar quarter. testing. included in VAR R1, the VAR R1 is redundant and can be deleted.
condensers. Generator Operators and Transmission Operators may exclude hours for R1.1 through R1.10 to achieve the 98% requirement. [Violation Risk Factor: Medium] [Time Horizon: Operations Assessment] HOW WE ARGUE ALLOWING THE TOP OFF THE COMPLIANCE HOOK? WHAT DO WE DO WITH THE SYNCHRONOUS CONDENSORS? ARE THEY COVERED IN THE OTHER STANDARD(S)? has notified the Transmission Operator of one of the following: [Violation Risk Factor: Medium][Time Horizon:Real-time Operations] • That the generator is being operated in start-up, shutdown, or testing mode pursuant to a Real-time communication or a procedure that was previously provided to the Transmission Operator;or •That the generator is not being operated in automatic voltage control mode or in the control mode that was instructed by the Transmission Operator for a reason other than start-up,shutdown,or testing. VAR-002-WECC-2 requires that Generator Operators operate generators in automatic voltage mode (automatic) 98 percent of the time, excluding certain periods that qualify under the listed exemptions. 100% of all operating hours NERC Standard, VAR-002-4, requires that Generator Operators operate generators in AVR mode when connected to the Bulk Electric System, unless instructed otherwise by the Transmission Operator, or if the Generator Operator has notified the Transmission Operator that the AVR is not operating in the automatic mode either because the generator is operating below a level the AVR can operate or for another reason. R1.1. The synchronous generator or synchronous condenser operates for less than five percent of all hours during any calendar quarter. VAR-002-4 “…unless otherwise exempted.” The discretionary exemption allowed under VAR-002-4 subsumes all of VAR R1.1. R1.2. Performing maintenance and testing up to a maximum of seven calendar days per calendar quarter. R1, Bullet one allows for an exemption for start-up, shutdown, and testing; R2, Bullet two allows for an exemption for “a reason other than start-up, shutdown, or testing. Because VAR-002-WECC-2, R1, Bullets 1 and two address the testing included in VAR R1, the VAR R1 is redundant and can be deleted.
WECC-0127%20VAR-002-WECC-2%20Request%20to%20Retire%20Attachment%20F%20Technical%20Justification%20-%20NERC%20Crosswalk%20Template%203-2-2017.doc.docx