Version History 2
Table of Contents 12
Preface 13
Introduction 14
1.1.1 Manual Suggestions 15
2.1.2 TADS Definitions 15
1.2.1 AC and DC Voltage Classes 15
1.2.2 What ElementsOutages Should be Reported in the Less than 100 kV and 100 -199 kV Voltage Classes? 16
1.2.3 How dDoes the Nnew Bulk Electric System Definition Affect 200 kV+ TADS Elements? 16
3.1.3 Forms Overview 16
4.1.4 Who Must Report 18
5.1. 5 Data Confidentiality 18
6.1.6 TADS Training 20
7.1.7 Calendar Year 2015 Quarterly Inventory and Outage Timelines 20
8.1.8 Outage and Inventory Entry Methods 21
9.1.9 WebTADS - TADS Data Entry and Analysis Software 21
1.9.1 WebTADS Error Message Interpretations 22
10.1.10 NERC IDs and TO Names 23
11.1.11 TADS Help and TADS Contacts 23
12.1.12 Administrative Forms with Transmission Owner Information 24
1.12.1 Form 1.1 Non-Reporting Transmission Owner Statement 24
Form 1.2 Reporting Transmission Owner Information 24
Chapter 2 – Forms for Multiple-Owner Elements 25
13.2.1 Form 2.1 Multiple-Owner AC and DC Circuits 25
14.2.2 Form 2.2 Multiple-Owner AC/DC Back-to-Back Converter 26
Chapter 3 – Forms for Element Inventory and Summary Outage Data 28
15.3.1 AC and DC Inventory Data 28
16.3.2 Transformer Detailed Inventory Data 30
17.3.3 AC/DC BTB Converter Inventory Data 31
18.3.5 AC Multi-Circuit Structure Miles 31
19.3.6 Common Corridors 32
Chapter 4 – Forms for Detailed Automatic Outage Data 33
20.4.1 Outages That Continue Beyond the End of the Year 34
Chapter 5 – TADS Events 35
21.5.1 NERC Multiple Utility Event ID Code Creation 35
22.5.2 Event Type Numbers 36
5.2.1 Non-TADS Element Outages: 37
5.2.2 Event Type Number 13 versus Event Type Number 11: 37
5.2.3 Event Description: 38
23.5.3 Event Analysis Guidelines 39
24.5.4 Event Type Number Determination 39
Step N1 - Normal Clearing determination 39
Step N2 - Screen for Event Type Numbers 05 and 06 40
Step N3 – Screen for Event Type Numbers 11 and 13 40
Step N4 – Screen for Event Type Number 31 40
Step N5 – Screen for Event Type Number 49 – Other Normal Clearing 40
Step A1 - Abnormal Clearing 40
Step A2 – Screen for Event Type Number 60; Breaker Failure 41
Step A3 – Screen for Event Type numbers 61 and 62; Dependability or Security Failures 41
Step A4 – Screen for Event Type Number 90; Other Abnormal Clearing 41
Chapter 6 – Forms for Detailed Non-Automatic Outage Data 42
25.6.1 Outages That Continue Beyond the End of the Year 43
Appendix 1 – Administrative Forms with Transmission Owner Information 44
26.1.1 Non-Reporting Transmission Owner Statement 44
27.1.2 Reporting Transmission Owner Information 46
Appendix 2 – Forms for Multiple-Owner Elements 47
2.1Multiple-Owner AC and DC Circuits 47
2.2Multiple-Owner AC/DC Back-to-Back Converters 48
Appendix 3 - Forms for Detailed Element Inventory Data 49
3.1Detailed AC and DC Circuit Inventory Data 49
3.2Detailed Transformer Inventory Data 50
3.3 Detailed AC/DC Back-to-Back Converter Inventory Data 51
3.5Detailed AC/DC Back-to-Back Converter Inventory Data 52
Appendix 4 Forms for Detailed Automatic Outage Data 53
4.1 AC Circuit Detailed Automatic Outage Data 53
4.2 DC Circuit Detailed Automatic Outage Data 54
4.3 Transformer Detailed Automatic Outage Data 55
4.4 AC/DC Back-to-Back Converter Detailed Automatic Outage Data 56
Appendix 5 Form for Event ID Code and Event Type Number Data 57
Appendix 6 Forms for Detailed Non-Automatic Outage Data 59
6.1 AC Circuit Detailed Non-Automatic Outage Data 59
6.2 DC Circuit Detailed Non-Automatic Outage Data 59
6.3 Transformer Detailed Non-Automatic Outage Data 60
6.4 AC/DC Back-to-Back Converter Detailed Non-Automatic Outage Data 60
Appendix 7 – TADS Definitions 61
Appendix 8 – Inventory Data Examples 62
28.Concepts 62
Equivalent Circuit Mileage 62
Equivalent Number of Elements 62
29.Inventory Data Entry Example 62
Base Model 63
Quarter 1 Data Entry 63
Quarter 2 Data Changes and Additions 64
Quarter 3 Data Changes and Additions 64
Quarter 4 Data Changes and Additions 65
Quarter 4 Multi-Circuit Structure Miles 65
30.Additional Common Inventory Changes 68
Situation 1 68
Appendix 9 – Detailed Automatic Outage Data Examples 69
Appendix 10 – Planned Outages and the 30-Minute Exclusion Examples 81
The North American Electric Reliability Corporation (NERC) is a not-for-profit international regulatory authority whose mission is to ensure the reliability of the bulk power system (BPS) in North America. NERC develops and enforces Reliability Standards; annually assesses seasonal and long‐term reliability; monitors the BPS through system awareness; and educates, trains, and certifies industry personnel. NERC’s area of responsibility spans the continental United States, Canada,Canada and the northern portion of Baja California, Mexico. NERC is the electric reliability organization (ERO) for North America, subject to oversight by the Federal Energy Regulatory Commission (FERC) and governmental authorities in Canada. NERC’s jurisdiction includes users, owners,owners and operators of the BPS, which serves more than 334 million people.