SubstationU

Class 2 of 8: Instrument Transformers: CTs and VTs. This self-paced class covers CT and VT ratio, polarity, burden, IEEE C57.13 accuracy classes, saturation, wye/delta/residual connections, VT connections and fusing, open-CT and shorted-VT hazards, and ATS 7.10.1/7.10.2 tests, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series (Level 1 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course, and the recommended order is Class 1 to Class 8, but you can take them in any order.

Class 4 of 8: Overcurrent Protection (50/51/50N/51N/51G) and Time-Current Curves. This self-paced class covers 50 and 51 elements, multiples of pickup, time dial, IEEE C37.112 inverse curves, 50N/51N and 50G/51G ground connections, and reading time-current curves, inrush points, damage curves and CTI, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series (Level 1 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course, and the recommended order is Class 1 to Class 8, but you can take them in any order.

Class 6 of 8: DC Control and Trip Circuits, Lockout (86) and Breaker Failure (50BF). This self-paced class covers station DC systems, breaker trip and close circuits, 52a/52b, anti-pump, indicating lights, trip circuit supervision, 86 lockout and 50BF breaker failure, and DC elementary troubleshooting, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series (Level 1 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course, and the recommended order is Class 1 to Class 8, but you can take them in any order.

Class 8 of 8: Relay Testing Basics: Acceptance and Maintenance. This self-paced class covers ATS versus MTS, ATS 7.9.1/7.9.2 inspections and electrical tests, secondary injection test sets and calibration, evaluating results, functional trip and in-service checks, and documentation, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series (Level 1 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course, and the recommended order is Class 1 to Class 8, but you can take them in any order.

PR-201: Protection Philosophy, Zones of Protection and One-Line Review. This self-paced class covers protection philosophy (reliability, dependability, security, selectivity, speed), zone overlap and CT placement, primary and backup protection, and reading one-line and three-line diagrams to develop a settings plan, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Intermediate Protective Relaying (Level 2 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 1 of 8 in the Level 2 series, Intermediate Protective Relaying (PR-201 to PR-208). Recommended order: PR-201 through PR-209; classes may be taken in any order. Level 1 (PR-101 to PR-109) is recommended preparation.

PR-203: CT Performance: Saturation, Burden, Accuracy Classes, and VT/CCVT Issues. This self-paced class covers CT excitation and saturation, burden calculations, C-class accuracy ratings, DC offset and X/R effects, remanence, and VT and CCVT performance issues for protection, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Intermediate Protective Relaying (Level 2 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 3 of 8 in the Level 2 series, Intermediate Protective Relaying (PR-201 to PR-208). Recommended order: PR-201 through PR-209; classes may be taken in any order. Level 1 (PR-101 to PR-109) is recommended preparation.

PR-205: Transformer Protection: 87T Differential, Harmonic Restraint, REF and Backup. This self-paced class covers 87T percent differential TAP calculation, phase and zero-sequence compensation, slope and minimum pickup, harmonic restraint, REF, 24 V/Hz and transformer backup protection, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Intermediate Protective Relaying (Level 2 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 5 of 8 in the Level 2 series, Intermediate Protective Relaying (PR-201 to PR-208). Recommended order: PR-201 through PR-209; classes may be taken in any order. Level 1 (PR-101 to PR-109) is recommended preparation.

PR-207: Line Protection: Distance (21) Reach Settings, Pilot Schemes, Reclosing (79) and Synch Check (25). This self-paced class covers distance relay secondary impedance and zone reach calculations, k0 compensation, infeed, pilot schemes (DCB, POTT, PUTT, DCUB, DTT, 87L), reclosing dead time and 25 synchronism check, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Intermediate Protective Relaying (Level 2 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 7 of 8 in the Level 2 series, Intermediate Protective Relaying (PR-201 to PR-208). Recommended order: PR-201 through PR-209; classes may be taken in any order. Level 1 (PR-101 to PR-109) is recommended preparation.

PR-209: Intermediate Protective Relaying: Comprehensive Review is an optional 40-question review covering all eight Level 2 classes. You need 80% (32 of 40) to pass, and you can retake the quiz as many times as you need until you pass.

The questions are drawn from the class question banks. Continuing education credit: 0 (none awarded yet).

Optional review for the Level 2 series, Intermediate Protective Relaying (PR-201 to PR-208). Recommended order: PR-201 through PR-209; classes may be taken in any order. Level 1 (PR-101 to PR-109) is recommended preparation.

PR-302: Advanced Transformer Differential Testing (87T). This self-paced class covers 87T testing on modern relays: vector groups and compensation, TAP and mismatch, slope and minimum pickup tests, harmonic restraint, and finding common differential errors, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Advanced Protective Relaying (Level 3 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 2 of 8 in the Level 3 series, Advanced Protective Relaying (PR-301 to PR-308). Recommended order: PR-301 through PR-309; classes may be taken in any order. Level 2 is recommended preparation.

PR-304: Communications-Assisted Schemes and End-to-End Testing. This self-paced class covers communications-assisted schemes (POTT, DCB, DCUB, DTT), weak-infeed echo and current reversal guard, channels and delay, line current differential (87L), and GPS-synchronised end-to-end testing, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Advanced Protective Relaying (Level 3 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 4 of 8 in the Level 3 series, Advanced Protective Relaying (PR-301 to PR-308). Recommended order: PR-301 through PR-309; classes may be taken in any order. Level 2 is recommended preparation.

PR-306: Bus, Breaker Failure and Generator Protection Testing. This self-paced class covers bus differential (low- and high-impedance, check zone), zone selection and stability, breaker failure (50BF), and generator elements 59N, third harmonic, 40, 32, 46 and 78, plus trip-path checks, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Advanced Protective Relaying (Level 3 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 6 of 8 in the Level 3 series, Advanced Protective Relaying (PR-301 to PR-308). Recommended order: PR-301 through PR-309; classes may be taken in any order. Level 2 is recommended preparation.

PR-308: Instrument Transformer Performance in the Field and Commissioning Documentation. This self-paced class covers CT excitation and saturation, ratio, polarity, burden and insulation tests, CCVT and VT issues, primary injection and in-service phasor checks, and the commissioning package and sign-off, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Advanced Protective Relaying (Level 3 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 8 of 8 in the Level 3 series, Advanced Protective Relaying (PR-301 to PR-308). Recommended order: PR-301 through PR-309; classes may be taken in any order. Level 2 is recommended preparation.

PR-401: Protection Design Review and Coordination Studies: The Field Perspective. This self-paced class covers how protection engineers build coordination studies, what a field reviewer should check in a study, coordination time intervals, infeed and outfeed effects, and how to report study comments, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Expert Protective Relaying (Level 4 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 1 of 8 in the Level 4 series, Expert Protective Relaying (PR-401 to PR-408). Recommended order: PR-401 through PR-409; classes may be taken in any order. Level 3 is recommended preparation.

PR-403: Line Current Differential and Advanced Line Protection Subtleties. This self-paced class covers line current differential principles, the alpha plane, channel timing and asymmetry, charging current, tapped and series-compensated lines, and other line protection subtleties, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Expert Protective Relaying (Level 4 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 3 of 8 in the Level 4 series, Expert Protective Relaying (PR-401 to PR-408). Recommended order: PR-401 through PR-409; classes may be taken in any order. Level 3 is recommended preparation.

PR-405: Special Protection Schemes (SPS/RAS), Synchrophasors and High-Speed Protection. This self-paced class covers remedial action schemes (RAS), arming and redundancy, synchrophasors and PMUs, time synchronisation, wide-area monitoring, and high-speed travelling-wave and incremental-quantity protection, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Expert Protective Relaying (Level 4 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 5 of 8 in the Level 4 series, Expert Protective Relaying (PR-401 to PR-408). Recommended order: PR-401 through PR-409; classes may be taken in any order. Level 3 is recommended preparation.

PR-407: Maintenance Programs (PRC-005 Concepts), Commissioning Strategy and Leading Test Teams. This self-paced class covers time-, performance- and condition-based maintenance, protection system components and evidence, what self-monitoring covers, staged commissioning, leading test teams, and using metrics to improve, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus video activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series, Expert Protective Relaying (Level 4 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass.

Class 7 of 8 in the Level 4 series, Expert Protective Relaying (PR-401 to PR-408). Recommended order: PR-401 through PR-409; classes may be taken in any order. Level 3 is recommended preparation.

PR-409: Expert Protective Relaying: Comprehensive Review is an optional 40-question review covering all eight Level 4 classes, including a short "investigating a line misoperation" scenario set. You need 80% (32 of 40) to pass, and you can retake the quiz as many times as you need until you pass.

The questions are new or reworded items based on the class question banks. Continuing education credit: 0 (none awarded yet).

Optional review for the Level 4 series, Expert Protective Relaying (PR-401 to PR-408). Recommended order: PR-401 through PR-409; classes may be taken in any order. Level 3 (PR-301 to PR-309) is recommended preparation.

Class 2 of 8: Insulation Resistance Testers (Megohmmeters). This self-paced class covers insulation resistance testing: the principle, test voltage selection, connections and the guard terminal, PI and DAR, temperature correction, discharge, and asset-by-asset practice, plus a field walkthrough and a composite case study. It has about 45 minutes of lesson content plus video clip activities, two practice activities and a 30-question quiz. It is part of the SubstationU.com Introduction to Electrical Test Equipment series (Level 1 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book, complete the video clip activities and the two practice activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course; the recommended order is Class 1 to Class 8, but you can take them in any order.

Class 4 of 8: Low-Resistance, Winding Resistance and Torque Tools. This self-paced class covers four-wire (Kelvin) measurement, DLRO use, reversal averaging, transformer winding resistance, torque tools and calibration, and thermography follow-up, plus a field walkthrough and a composite case study. It has about 45 minutes of lesson content plus video clip activities, two practice activities and a 30-question quiz. It is part of the SubstationU.com Introduction to Electrical Test Equipment series (Level 1 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book, complete the video clip activities and the two practice activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course; the recommended order is Class 1 to Class 8, but you can take them in any order.

Class 5 of 8: Transformer and CT Test Equipment. This self-paced class covers transformer turns ratio, power factor and capacitance (UST/GST), excitation and leakage reactance, SFRA, CT testing, variacs and the transformer test kit, plus a field walkthrough and a composite case study. It has about 45 minutes of lesson content plus video clip activities, two practice activities and a 30-question quiz. It is part of the SubstationU.com Introduction to Electrical Test Equipment series (Level 1 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book, complete the video clip activities and the two practice activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course; the recommended order is Class 1 to Class 8, but you can take them in any order.

Class 7 of 8: Relay Test Sets, Grounding and Power Quality Instruments. This self-paced class covers relay test sets, fall-of-potential ground testing, clamp-on ground testers, and power quality analyzers and terms, plus a field walkthrough and a composite case study. It has about 45 minutes of lesson content plus video clip activities, two practice activities and a 30-question quiz. It is part of the SubstationU.com Introduction to Electrical Test Equipment series (Level 1 course). Continuing education credit: 0 (none awarded yet).

Read the lesson book, complete the video clip activities and the two practice activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course; the recommended order is Class 1 to Class 8, but you can take them in any order.

TE-109: Test Equipment Comprehensive Review. A review of the whole Introduction to Electrical Test Equipment series: meters and safety, insulation testers, high-potential, VLF and partial-discharge equipment, low-resistance and torque tools, transformer and CT test sets, breaker and trip-unit test kits, relay, ground and power quality instruments, and thermography, battery and renewable testing. About 1 hour. One 40-question quiz (80% to pass, 32 of 40); retake as many times as you need. Completing it marks completion of the series.

Recommended after TE-101 through TE-108; courses may be taken in any order.

The symbols and lines within an electrical drawing convey a language that everyone involved must understand to design, build, and troubleshoot electrical systems. In this course, we will describe several types of common electrical diagrams encountered in the field and explain their purpose.

Continuing education credit: 0 (none awarded yet)

The best distribution system is one that will, cost-effectively and safely, supply adequate electric service to both present and future probable loads. This course examines selection of a system arrangement and its profound impact on the reliability and maintainability of electrical distribution.

Continuing education credit: 0 (none awarded yet)