Northwest Electric Meter School – Track F Agenda

Monday, August 22, 2022

10:00 AM – 11:00 AM
Registration for Optional Metering Math Class Students
Track A students and anyone who signed up for the Optional Math Class will check in for the school.

11:00 AM – 12:00 PM
General Registration
Registration opens for all students.

11:00 AM – 12:00 PM
Metering Math – Optional
Whether you are new to the school or a returning student, you are invited to join this optional class to review and refresh the math skills necessary for success at meter school.

12:00 PM – 1:00 PM
Lunch

1:00 PM – 1:30 PM
Keynote Presentation

1:45 PM – 3:00 PM
Generation/Substation Metering Overview
One line diagrams, Power flow conventions, Gross vs Net generation, Station Service metering, where to use form 5 vs form 9 (Required metering stators FM-5, 35, 45 vs FM 6, 8, 9, 10). Power flow, high side vs low side metering, intertie metering, Capacitor banks and reactive power metering.

3:00 PM – 4:00 PM
Roundtable Discussion

Tuesday, August 23, 2022

8:00 AM – 9:00 AM
California ISO Energy Markets Overview
The California ISO (CAISO) serves as administrator of the California Energy Markets and operates the state’s transmission grid. The three major utilities in California form the backbone of the state’s grid; Pacific Gas & Electric (PG&E), San Diego Gas & Electric (SDG&E), and Southern California Edison (SCE).

9:15 AM – 10:00 AM
Metering and Plant Schematics
• One-Line Schematics – flow directions and IT Ratios
• Three-Line Schematics – Polarity and point-to-point connections
• Programming and Testing Information

10:15 AM – 11:00 AM
Non-standard Metering Setups
Transformer Loss Compensation, Line Loss Compensation, Ratio Corrections Factors, Instrument transformer correction, CT’s and PT’s on opposite sides of transformer

11:00 AM – 11:45 AM
Vendor Display

11:45 AM – 12:45 PM
Lunch

1:00 PM – 2:00 PM
Design/Programming and Testing
How the circuit is designed, what information to program into meters, testing in Substation/Generation environment. Common Source Verification testing.
• Switchyard Bus Design
• How the circuit is designed
• Meter Program Information
• Testing in Substation/Generation environments
• Common Source Verification testing

2:15 PM – 3:30 PM
Design/Programming and Testing (Continued)
How the circuit is designed, what information to program into meters, testing in Substation/Generation environment. Common Source Verification testing.
• Switchyard Bus Design
• How the circuit is designed
• Meter Program Information
• Testing in Substation/Generation environments
• Common Source Verification testing

3:45 PM – 4:30 PM
Track F Roundtable Discussion

Wednesday, August 24, 2022

8:00 AM – 9:00 AM
Indicating Meters and Transducers
Overview of Common ones, uses, Indicating meters with transducer outputs.
• Shunted DMM applications
• Overview of Common uses
• Indicating meters with transducer outputs

9:15 AM – 10:30 AM
Substation Bus Arrangements
Ring bus, breaker and a half schemes, summing CT secondary circuits, circulating VAR’s concerns.

10:45 AM – 11:45 AM
Meter Communications
DNP, Modbus, IEC 61850. How they work, what they are used for, how connected, etc.. Serial (232, 485, 422), TCP/IP, Modem, Fiber Optics, non-digital (4-20mA, I/O, KYZ)

11:45 AM – 12:45 PM
Lunch

12:45 PM – 4:30 PM
Programming and Testing Lab
How the circuit is designed, what information to program into meters, testing in Substation/Generation environment. Common Source Verification testing.
• Switchyard Bus Design
• How the circuit is designed
• Meter Program Information
• Testing in Substation/Generation environments
• Common Source Verification testing

Thursday, August 25, 2022

8:00 AM – 11:45 AM
Programming and Testing Lab
How the circuit is designed, what information to program into meters, testing in Substation/Generation environment. Common Source Verification testing.
• Switchyard Bus Design
• How the circuit is designed
• Meter Program Information
• Testing in Substation/Generation environments
• Common Source Verification testing

11:45 AM – 12:45 PM
Lunch

12:45 PM – 1:30 PM
Instrument Transformers
• Sizing the proper ratio – CTs, VTs, Metering Unit Combos
• Accuracy requirements (ANSI C57.13)
• Field testing procedures – in-service
• Shop Testing procedures — Acceptance
• Attributes (revenue grade, ops grade, environmental considerations)

1:45 PM – 2:45 PM
Instrument Transformers (Continued)
• Sizing the proper ratio – CTs, VTs, Metering Unit Combos
• Accuracy requirements (ANSI C57.13)
• Field testing procedures – in-service
• Shop Testing procedures — Acceptance
• Attributes (revenue grade, ops grade, environmental considerations)

3:00 PM – 4:30 PM
Extra Lab/Track F Roundtable Discussion
Transformer Loss Compensation, Line Loss Compensation, Ratio Corrections Factors, Instrument transformer correction, CT’s and PT’s on opposite sides of transformer

Friday, August 26, 2022

8:30 AM – 10:15 AM
Track F Evaluations

10:30 AM – 11:00 AM
Discussion/Examination/Evaluation