Electro Industries Nexus 1262 Installation & Operation Manual page 13

Appendix A: Transformer Loss Compensation Excel Spreadsheet with Examples
A.1: Calculating Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
A.2: Excel Spreadsheet with Example Numbers
Appendix B: Blade Configuration for Forms 9S, 36S and 45S
B.1: 1262/1272 Forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
B.2: Blade Configuration Drawings . . . . . . . . . . . . . . . . . . . . . . . B-1
Appendix C: Three-Phase Power Measurement
C.1: Three-Phase System Configurations . . . . . . . . . . . . . . . . . . . . . C-1
C.1.1: Wye Connection
C.1.2: Delta Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
C.1.3: Blondell's Theorem and Three-Phase Measurement . . . . . . . . . . . . . C-4
C.2: Power, Energy and Demand . . . . . . . . . . . . . . . . . . . . . . . . C-6
C.3: Reactive Energy and Power Factor . . . . . . . . . . . . . . . . . . . . . C-8
C.4: Harmonic Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . C-10
C.5: Power Quality
Glossary of Terms
Chapter 1: Quick Start Up for Nexus® Type S Meters
Figure 1.1: The Nexus® 1272 Meter . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Figure 1.2: The Nexus® 1272 Meter Rear View Diagram
Figure 1.3: Form 9S & 36S Aux Terminals . . . . . . . . . . . . . . . . . . . . . . 1-1
Figure 1.4: Form 45S Aux Terminals
Figure 1.5: A7Z Communication Interface
Chapter 2: Nexus® 1262/1272 Meter Overview
Figure 2.1: The Nexus® 1272 Meter . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Figure 2.2: How the Nexus® 1272 Meter Processes Inputs . . . . . . . . . . . . . . . 2-2
Figure 2.3: How the Nexus® 1262 Meter Processes Inputs . . . . . . . . . . . . . . . 2-3
Chapter 3: Operating Instructions
Figure 3.1: Nexus® 1272 Meter Nameplate . . . . . . . . . . . . . . . . . . . . . . 3-1
Figure 3.2: Nexus® 1262/1272 Meter Switches and Indicators
Chapter 4: Testing for the Nexus® 1262/1272 Meter
Figure 4.1: The Nexus® 1272 Meter . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Chapter 5: Serial Communication Wiring
Figure 5.1: Communication Overview . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Figure 5.2: Nexus® 1272 Meter Optical Port . . . . . . . . . . . . . . . . . . . . . 5-2
Figure 5.3: A7Z Communication Interface
Figure 5.4: 1262/1272 2-Wire RS-485 Port Detail . . . . . . . . . . . . . . . . . . . 5-4
Figure 5.5: RS485 Daisy Chain Connection . . . . . . . . . . . . . . . . . . . . . . 5-5
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Electro Industries/GaugeTech
. . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-13
List of Figures
. . . . . . . . . . . . . . . . . . . . . . . . 1-1
. . . . . . . . . . . . . . . . . . . . . . 1-2
. . . . . . . . . . . . . . . . . . . . . . 5-3
Doc # E151701
. . . . . . . . . . . . . . . . . A-1
. . . . . . . . . . . . . . . 1-1
. . . . . . . . . . . . . 3-3
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