Item 4.2: Summer Intern Presentations · Item 4.2. ERCOT Public. 2019 Summer Interns. 2 • 17...

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Item 4.2: Summer Intern Presentations Bill Magness ERCOT President & CEO Board of Directors Meeting ERCOT Public August 13, 2019

Transcript of Item 4.2: Summer Intern Presentations · Item 4.2. ERCOT Public. 2019 Summer Interns. 2 • 17...

Page 1: Item 4.2: Summer Intern Presentations · Item 4.2. ERCOT Public. 2019 Summer Interns. 2 • 17 students representing 9 universities across the U.S. • Contributed to 15 different

Item 4.2: Summer Intern Presentations

Bill MagnessERCOT President & CEO

Board of Directors Meeting

ERCOT PublicAugust 13, 2019

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Item 4.2ERCOT Public

2019 Summer Interns

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• 17 students representing 9 universities across the U.S.

• Contributed to 15 different departments this summer

• Recruiting received more than 1,400 applications for 17 summer internship openings

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Item 4.2ERCOT Public

2019 Summer Interns Attend the Following Universities

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UT Austin 6

UT Dallas 1

Texas A&M University 4

Baylor University 1

Texas State University 1

Arizona State University 1

University of Washington 1

Rensselaer Polytechnic Institute 1

Pennsylvania State University 1

Total 17

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Item 4.2ERCOT Public

Jessica Wert

Master of Science in Electrical EngineeringTexas A&M University (May 2020)

2019 Transmission Operations Planning

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Item 4.2ERCOT Public

Overview

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• Foundation for dynamic simulation studies in real-time systems

• Benchmark dynamic responses

• Demonstrate functionality in production environment

Goals

PSS®E ≅ TSAT ≅ PMU

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0.0 5.0 10.00.0 5.0 10.00.0 5.0 10.0

0.0 5.0 10.00.0 5.0 10.0

1.014

0.992

Benchmarking TSAT Against PSS®E Across ERCOT

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Gen

erat

or T

erm

inal

Vol

tage

(pu)

Gen

erat

or T

erm

inal

Vol

tage

(pu)

1.10

0.95

1.10

0.55

1.044

1.037

1.10

0.00

PSSETSAT

Time (s) Time (s)

Time (s)Time (s) Time (s)

PSSETSAT

PSSETSAT

PSSETSAT

PSSETSAT

Coastal Texas South Texas

South Central Texas Far West Texas East Texas

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Benchmarking TSAT Against PMU Data

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TSAT demonstrates shallower frequency drops• Governor deadband modeling• Governor response status• Load-frequency dependence

PMU Data

TSAT Simulation

Bus

Fre

quen

cy (H

z)

0.0 7.0 14.0 21.0 28.0 35.0

60.06

60.01

59.92

59.87

59.83

Time (s)

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Conclusions

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Foundation to find stability-related operating limits in real time• Stable operations of grid can be achieved more reliably and efficiently

Key Takeaway

Benchmark dynamic contingency response in key areas• Establishes trust in TSAT performance

Demonstrate functionality in production system (study mode)• Contribute to reliable and efficient grid operations

• Can enhance operator training experience

Achievements

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Vijay Singh

Master of Science in Electrical EngineeringUniversity of Texas (December 2019)

2019 Resource Integration

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Overview

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0

50

100

150

200

250

300

350

2017 2018 2019

New Interconnection Requests

Gas Wind Solar Storage Total

All interconnection requests require a screening study.

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Processing of Results

Information from

engineer

Shift Factor Analysis Processing of Shift Factors

Results of Shift Factor Analysis

Power Flow Analysis

Updated Case

Information from engineer

Transfer and Contingency

Analysis

Report of Analysis for IE

Problem• Time consuming • Higher risk of errors

Current Screening Study Process

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Shift Factor Analysis

Transfer and Contingency

Analysis

Information from

engineer

Power Flow Analysis

Report of Analysis

Results of Analysis

Screening Study Process with Tool

Solution• Automation

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Screening Study with Tool

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Benefits

ERCOT• Shorter study times

• Reduced potential errors

• Standardized process

Market Participants• Faster turnaround

• Concise report

• Consistent results

Personal• Gained new skills

• Experience

• Personal connections

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2019 Grid Planning and Operations Administration

Caleb HollandBachelor of Science Electrical and Computer Engineering

University of Texas (December 2020)

John LawsonBachelor of Science Electrical and Computer Engineering

Baylor University (December 2019)

David ZhouBachelor of Science Electrical and Computer Engineering

University of Texas (May 2020)

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Problems with Current RARF Implementation

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Resource Integration and Ongoing Operations -Resource Services

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