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PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

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Page 1: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

PMUs for NERC Reliability StandardsRyan D. Quint, Ph.D., P.E.Staff Coordinator, NERC SMS, SAMSWECC JSIS MeetingSeptember 22, 2015

Page 2: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY2

• DISCLAIMER: This is not Compliance Guidance material; the goal is to illustrate application of synchrophasor technology as it relates to NERC Reliability Standards.

• Pre-Screening: This material will be incorporated into: NASPI Starter Kit – Simplified version of this presentation NASPI Tutorial – Detailed discussion of this presentation SMS “PMUs for NERC Reliability Standards” – Comprehensive look at wider

range on NERC Reliability Standards and application of PMUs

DISCLAIMER

Page 3: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY3

Starter Kit Highlights

• This list highlights the more mature, high-value applications Comprehensive list will be developed by NERC SMS

Standard Number

Title Status

BAL-003-1 Frequency Response and Frequency Bias Setting Subject to EnforcementFAC-001-2 Facility Interconnection Requirements Subject to EnforcementIRO-003-2 Reliability Coordination – Wide-Area View Subject to EnforcementMOD-026-1 Verification of Models and Data for Generator

Excitation Control System or Plant Volt/Var Control Functions

Subject to Enforcement

MOD-027-1 Verification of Models and Data for Turbine/Governor and Load Control or Active Power/Frequency Control Functions

Subject to Enforcement

MOD-033-1 Steady-State and Dynamic System Model Validation Subject to EnforcementPRC-002-2 Disturbance Monitoring and Reporting Requirements Subject to Future

Enforcement

Page 4: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY4

• Requires “sufficient Frequency Response from the Balancing Authority (BA) to maintain Interconnection Frequency within predefined bounds by arresting frequency deviations and supporting frequency until the frequency is restored to its scheduled value.”

• Provides “consistent methods for measuring Frequency Response and determining Frequency Bias Setting”

BAL-003-1: Frequency Response and Frequency Bias Setting

Page 5: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY5

Frequency Response Analysis Tool (FRAT)

Page 6: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY6

• FAC-001-2 “avoid[s] adverse impacts on the reliability of the Bulk Electric System.”

• Transmission Owners and applicable Generator Owners must document and make Facility Interconnection requirements available so that entities seeking to interconnection will have the necessary information.”

• Standards does not explicitly specify any requirements for synchrophasor technology;

• However, many utilities have realized the value in this capability, and are requiring PMU monitoring at new generation interconnections Facility Connections Requirements (FCR) Open Access Transmission Tariff (OATT)

FAC-001-2: Facility Interconnection Requirements

Page 7: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY7

Entity ReferencePJM http://www.pjm.com/documents/agreements.aspx

http://www.pjm.com/documents/manuals.aspxBPA http://www.bpa.gov/transmission/Doing%20Business/Interconnection/Pages/default.

aspxAESO http://www.aeso.ca/rulesprocedures/18592.htmlERCOT http://www.ercot.com/mktrules/guides/noperating

Duke Midwest http://www.ferc.duke-energy.com/DEW/MidwestConnection.pdfIPC https://www.idahopower.com/pdfs/BusinessToBusiness/facilityRequirements.pdf

FCR and OATT References

• Handful of utilities have incorporated PMU installation into their Facility Connection Requirements (FCR) documents as per FAC-001 or in their Open Access Transmission Tariff (OATT).

Page 8: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY8

PJM Interconnection(PJM)

• Revision to OATT new generators >= 100 MW “…entering the…Queue on or after October 1, 2012…” “…with a proposed new Customer Facility that has a Maximum Facility

Output equal to or greater than 100 MW…” “…shall install and maintain, at its expense, phasor measurement units

(PMUs).” “PMUs shall be installed on the Customer Facility low side of the

generator step-up transformer, unless it is a non-synchronous generation facility, in which case the PMUs shall be installed on the Customer Facility side of the Point of Interconnection.”

“…must be capable of… a minimum of 30 samples per second…” “…which are synchronized via a high-accuracy satellite clock.” “…similar quality equipment, such as relays or digital fault recorders, that

can collect data…and which data is synchronized via a high-accuracy satellite clock…would satisfy this requirement.”

Page 9: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY9

PJM Interconnection(PJM)

• Modifications to OATT “…PMU equipment which includes the communication circuit capable of

carrying the PMU data to a local data concentrator, and then transporting the information continuously to the Transmission Provider…as well as store the PMU data locally for thirty days.”

“Interconnection Customer shall provide to [TP] all necessary and requested information through the [TP] synchrophasor system, including…:” o (a) gross MW and MVAR measured at the Customer Facility side of the generator

step-up transformer (or, for a non-synchronous generation facility, to be measured at the Customer Facility side of the Point of Interconnection);

o (b) generator terminal voltage; o (c) generator terminal frequency; and o (d) generator field voltage and current, where available.

“…Transmission Provider will install and provide for…ongoing support and maintenance of the network communications linking the data concentrator to the Transmission Provider.”

Page 10: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY10

PJM Interconnection(PJM)

• Addition to PJM Manual 14D: Generator Operational Requirements, Section 4.3 Section 4.3.1: Phasor Measurement Device Unit Requirements Section 4.3.2: Phasor Data Concentrator (PDC) Requirements Section 4.3.3: Network Requirements Section 4.3.4: Data Exchange and Management Requirements

Page 11: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY11

Bonneville Power Administration (BPA)

• Modification to Technical Requirements for Interconnection to the BPA Transmission Grid “…by measuring bus voltage and frequency, and generation current and

power.” “Performance monitoring is required to fully validate performance and

verify the model provided under Section 5.3.8.” “BPA will collect disturbance data and…perform performance validation. If

BPA observes…discrepancy between…data and monitored results, the [GO] shall be required to perform…testing of the generation equipment.”

“…requires PMU…at all generation projects…directly connected to the BPA grid at voltages 230-kV and above, and at some lower voltage interconnections when identified during the interconnection studies.”

“The PMU will be installed at the project substation (typically a collector station if a wind generation project) and will measure quantities at either the low side or high side of each substation step-up transformer (e.g. 34.5/230 kV).”

Page 12: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY12

Bonneville Power Administration (BPA)

• Modification to Technical Requirements for Interconnection to the BPA Transmission Grid “BPA will install the PMU and the required communication

circuits/equipment at the project substation to transport the information to the Control Center.”

“…BPA may also require a continuous data stream to a BPA Phasor Data Concentrator (PDC) located at the BPA Point of Interconnection via the installed communications network at the project substation.”

“…PMU must be tested after configuration (but prior to installation) for compliance with IEEE C37.118 standard and WECC filtering and dynamic performance requirements.”

Page 13: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY13

Alberta Electric System Operator (AESO)

• Modification to ISO Rules, Section 502.9: Synchrophasor Measurement Unit Technical Requirements “…A legal owner of a generating unit, legal owner of an aggregated

generating facility or legal owner of a transmission facility who is a legal owner of a generating unit… for which the ISO issues a functional specification…

“…on or after the effective date of this section 502.9 [2/28/2013], must design and construct its facility in accordance with the minimum synchrophasor measurement unit requirements…and verify to the ISO that the facility meets the requirements during commissioning and energization of the new facility.”o Synchrophasor Measurement Unit Functionalityo Synchrophasor Measurement Unit Signal Nameso Data Storage and Streamingo Suspected Failure or Malfunction of a Synchrophasor Measurement Unito As-Built Drawings

Page 14: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY14

Electric Reliability Council of Texas (ERCOT)

• Modification to Nodal Operating Guides (NOG) Revised December 17, 2014 (1) “The Facility owner(s), whether a TSP or new Generation Entity,

shall install phasor measurement recording equipment at the following Facilities. The installation shall occur not later than 18 months after a written notification from ERCOT to the Facility owner. o (a) Flexible AC transmission system devices configured to actively control

steady-state voltage or power transfer capability, operated at or above 100kV, and energized after July 1, 2015;

o (b) One Transmission Facility identified by ERCOT associated with each published generic transmission constraint as deemed necessary by ERCOT; and

o (c) New generating Facilities over 20 MVA aggregated at a single site placed into service after January 1, 2017;”

Page 15: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY15

• Requires that each “Reliability Coordinator must have a wide-area view of its own Reliability Coordinator Area and that of neighboring Reliability Coordinators.”

• Requirement R1 focuses on monitoring “all [BES] facilities… within its Reliability Coordinator Area and adjacent Reliability Coordinator Areas, as necessary to ensure that, at any time, regardless of prior planned or unplanned events, the Reliability Coordinator is able to determine any potential System Operating Limit and Interconnection Reliability Operating Limit violations within its Reliability Coordinator Area.”

IRO-003-2: Reliability Coordination – Wide-Area View

Page 16: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY16

• MOD-026: Generator excitation control system or plant volt/var control functions

• MOD-027: Turbine/governor and load control or active power/frequency control functions

• Applicability: Individual generating unit greater than 100 MVA gross nameplate rating Individual generating plant consisting of multiple generating units that are

directly connected at a common BES bus with total generation greater than 100 MVA gross aggregate nameplate rating

• Process: R1. TP provides instructions and model data to GO R2. GO provides verified model back to TP R3. TP can provide oversight of model and performance R4. GO provides revised model/plans upon any changes made

MOD-026-1 & MOD-027-1: Verification of Models and Data

Page 17: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY17

• Requirement R3: “…receiving one of the following items for an applicable unit:” “Written comments and supporting evidence from its Transmission Planner

indicating that the simulated excitation control system or plant volt/var control function model response did not match the recorded response to a transmission system event.”

• Requirement R5: “Each [GO] shall provide a written response to its Transmission Planner…following receipt of a technically justified* unit request from the [TP] to perform a model review of a unit or plant…” “Corrected model data including the source of revised model data…” *technical justified: achieved by the [TP] demonstrating that the simulated

unit or plant response does not match the measured unit or plant response.

MOD-026-1 & MOD-027-1: Verification of Models and Data

Page 18: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY18

• Located at the Point(s) of Interconnection (POI)• Measurements required

Playback:o Bus voltage magnitude and phase angleo Bus frequency

Measures of success:o Plant (or unit) MWs and MVARs

PMUs for Model Verification

Source: BPA

Page 19: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY19

• GO provides “verified” model to the TP• Prior to PMU-based verification, TP used model at face value• With PMU-based verification, TP can VALIDATE the verified model

Value of Event Verification

Source: BPA

Page 20: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY20

• Establishes “validation requirements to facilitate the collection of accurate data and building of planning models to analyze the reliability of the interconnected transmission system.”

• Requirement R1 requires the Planning Coordinator (PC) to implement a validation process, comparing modeled performance and actual system performance during dynamic events.

MOD-033-1: Steady-State and Dynamic System Model

Validation

Page 21: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY21

Longer-Term Dynamics Comparison: Modeling Major Grid

Disturbances

Page 22: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY22

Comparison of Transmission Interfaces & FACTS Outputs

Page 23: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY23

• PRC-002-2 ensures “adequate data [is] available to facilitate analysis of Bulk Electric System (BES) Disturbances.” Approved by FERC on September 17, 2015

• “Identify BES Elements for which dynamic Disturbance recording (DDR) data is required, including:” “Generating resource(s) with:o Gross individual nameplate rating greater than or equal to 500 MVAo Gross individual nameplate rating greater than or equal to 300 MVA where the

gross plant/facility aggregate nameplate rating is greater than or equal to 1,000 MVA.

Any one BES Element that is part of a stability (angular or voltage) related System Operating Limit (SOL).

Each terminal of a high voltage direct current (HVDC) circuit with a nameplate rating greater than or equal to 300 MVA, on the alternating current (AC) portion of the converter.

PRC-002-2: Disturbance Monitoring and Reporting

Requirements

Page 24: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY24

One or more BES Elements that are part of an Interconnection Reliability Operating Limit (IROL).

Any one BES Element within a major voltage sensitive area as defined by an area with an in-service undervoltage load shedding (UVLS) program.”

• “Identify a minimum DDR coverage, inclusive of those BES Elements identified…, of at least:” “One BES Element; and One BES Element per 3,000 MW of the Responsible Entity’s historical

simultaneous peak System Demand.”

PRC-002-2: Disturbance Monitoring and Reporting

Requirements

Page 25: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY25

• “Each [TO] shall have DDR data to determine the following electrical quantities…” V: One phase-to-neutral or positive sequence voltage I: Phase current (same phase & voltage) or positive sequence current P/Q: 3φ MW and MVAR for each circuit where current measured F: For any one of the voltage(s)

• “Each [GO] shall have DDR data to determine the following electrical quantities…” V: One phase-to-neutral, phase-to-phase, or positive sequence voltage at

either (GSU) high- or low-side voltage I: Phase current (same phase & voltage), phase current(s), or positive

sequence current P/Q: 3φ MW and MVAR for each circuit where current measured F: For any one of the voltage(s)

PRC-002-2: Disturbance Monitoring and Reporting

Requirements

Page 26: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY26

• “Each [TO] and [GO] responsible for DDR data from the BES Elements…shall have continuous data recording and storage. If the equipment was installed prior to the effective date of the standard and is not capable of continuous recording, triggered records must meet the following…” At east 3 minute recording length One trigger type [specified]

• “Each [TO] and [GO] shall time synchronize all…DDR data…: Synchronized to UTC with or without a local time offset Synchronized device clock accuracy within +/- 2 ms of UTC

PRC-002-2: Disturbance Monitoring and Reporting

Requirements

Page 27: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY27

• “Each [TO] and [GO] shall provide…DDR data…to the Responsible Entity, Regional Entity, or NERC in accordance with…:” “Data will be retrievable for the period of 10-calendar days, inclusive of

the day the data was recorded.” “Data…will be provided within 30-calendar days of a request unless an

extension is granted by the requestor.” “…data will be provided in electronic files that are formatted in

conformance with C37.111, (IEEE Standard for Common Format for Transient Data Exchange (COMTRADE), revision C37.111-1999 or later.”

“Data files will be named in conformance with C37.232, IEEE Standard for Common Format for Naming Time Sequence Data Files (COMNAME), revision C37.232-2011 or later.”

PRC-002-2: Disturbance Monitoring and Reporting

Requirements

Page 28: PMUs for NERC Reliability Standards Ryan D. Quint, Ph.D., P.E. Staff Coordinator, NERC SMS, SAMS WECC JSIS Meeting September 22, 2015

RELIABILITY | ACCOUNTABILITY28

Questions and Answers