CET iMeter 6, Руководство пользователя

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CET Electric Technology
I
Table of Contents
Chapter 1 Introduction ........................................................................................................................................... 1
1.1 Overview ................................................................................................................................................... 1
1.2 Features .................................................................................................................................................... 1
1.3 iMeter 6’s Application in Power and Energy Management Systems ......................................................... 4
1.4 Getting more information ......................................................................................................................... 4
Chapter 2 Installation .............................................................................................................................................. 5
2.1 Appearance ............................................................................................................................................... 5
2.2 Unit Dimensions ........................................................................................................................................ 6
2.3 Terminal Dimensions ................................................................................................................................ 6
2.4 Mounting .................................................................................................................................................. 7
2.5 Wiring Connections .................................................................................................................................. 7
2.5.2 3-Phase 4-Wire Wye Direct Connection with 3CTs or 4CTs ............................................................ 8
2.5.3 3-Phase 4-Wire Wye with 3PTs and 3CTs or 4CTs ........................................................................... 8
2.5.5 3-Phase 3-Wire Grounded Wye ..................................................................................................... 8
2.5.6 3-Phase 3-Wire Direct Delta Connection with 3CTs or 2CTs .......................................................... 9
2.5.7 3-Phase 3-Wire Open Delta with 2PTs and 3CTs or 2CTs ............................................................... 9
2.6 Communications Wiring ........................................................................................................................... 9
2.6.1 RS485 Port ...................................................................................................................................... 9
2.6.2 Ethernet Port (10/100BaseT) ....................................................................................................... 10
2.7 Digital Input Wiring ................................................................................................................................. 10
2.8 GPS 1PPS Input wiring ............................................................................................................................. 10
2.9 Digital Output Wiring .............................................................................................................................. 10
2.10 Energy Pulse Output Wiring .................................................................................................................. 10
2.11 Analog Input Wiring .............................................................................................................................. 11
2.12 Power supply Wiring ............................................................................................................................. 11
2.13 Chassis Ground Wiring .......................................................................................................................... 11
Chapter 3 User Interface ....................................................................................................................................... 12
3.1 Front Panel Interface .............................................................................................................................. 12
3.1.1 Front Panel LED Indicators ........................................................................................................... 12
3.1.2 Front Panel Buttons ..................................................................................................................... 12
3.1.3 Front Panel Display ...................................................................................................................... 12
3.2 On-board Web Interface ......................................................................................................................... 23
3.2.1 Setting PC's IP Address ................................................................................................................. 23
3.2.2 Configure iMeter 6’s IP Address ................................................................................................... 24
3.2.3 Accessing Web Interface .............................................................................................................. 24
Chapter 4 Applications .......................................................................................................................................... 56
4.1 Inputs and Outputs ................................................................................................................................. 56
4.1.1 Digital Inputs ................................................................................................................................ 56
4.1.2 Digital Outputs ............................................................................................................................. 56
4.1.3 Energy Pulse Outputs ................................................................................................................... 57
4.1.4 Analog Input ................................................................................................................................. 57
4.2 Power and Energy ................................................................................................................................... 57
4.2.1 Basic Measurements .................................................................................................................... 57
4.2.2 Energy Measurements ................................................................................................................. 58
4.2.3 Interval Energy Measurements .................................................................................................... 58
4.2.4 High-speed Measurements .......................................................................................................... 58
4.2.5 Demand Measurements .............................................................................................................. 58
4.2.6 Max./Min. per Demand Period .................................................................................................... 59
4.3 Power Quality ......................................................................................................................................... 59
4.3.1 Phase Angles ................................................................................................................................ 59
4.3.2 Power Quality Parameters ........................................................................................................... 59
4.3.3 Unbalance and Sequence Components ....................................................................................... 61
4.3.4 Deviation ...................................................................................................................................... 61
4.3.5 Supply Voltage Dips/Swells and Interruptions ............................................................................. 61
4.3.6 Transients Voltage ........................................................................................................................ 62