POWERSIDE PQube 3 - Measuring Net Earth Current-Delta; Measuring Net Earth Current-Wye;Star

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PQube 3 Installation Manual

Manual#: 851-000135

Version 3.4 – 08/11/2022 Page 39 of 47

3.2.9 Measuring Net Earth Current—Delta

3.2.10 Measuring Net Earth Current—Wye/Star

Main Page

Table of Contents3
Pqube3
Introduction5
What Is a Pqube® 35
What Software Do You Need6
Which Power Configurations Are Supported6
Powering the Pqube 37
Easy Operation and Communication with Pqube 37
Pqube 3 Unique Features7
Overview of Pqube 3 Models and Modules8
Pqube 3E8
Pqube 3V9
Pqube 3R9
Pqube 3LV10
Modules and Accessories11
Overview of Pqube 3 Ports, Connections and Controls12
Choosing Modules14
Power Pqube 3 from 100 to 240 Vac (PM1/PM2)14
Backup Pqube 3 During a Power Outage (UPS1/UPS2/UPS3)14
Measure Currents from Secondary of Current Transformers (CTI-1A/CTI-5A)15
VAT2-600 Three Phase Ac/Dual DC Voltage Attenuator15
Relay Extension Module for Load Shedding (RM8)16
Measure Environmental Conditions (ENV2)16
Synchronize Your Pqube 3 Clock to GPS Time17
Unpacking the Pqube 318
Installation18
Disconnect Mains Prior to Servicing18
Mount Your Pqube 3 Properly and Securely18
Include Overcurrent Protection and a Disconnecting Device19
Protect the Operator from the Hazardous Terminals19
Connect Pqube 3 to the Power Supply22
Connecting the Wires24
Connect Mains AC Voltage Wires26
Protect Antenna Terminals from Lightning26
Installing a PM1 or PM2 Power Supply Module27
Installing UPS Module27
Installing Split Core Current Transformers (Cts)28
Connecting the ENV2 Environmental Probes32
Connecting the Output Relay (RLY1)32
For Pqube 3R and Pqube 3Vr: Connecting the Output Relays RLY2, RLY3, RLY433
Installing GPS-R Sync Module (GPS Synchronization)33
Wiring Diagrams34
Wiring Diagram for Pqube 3V and Pqube 3Vr34
Wiring Diagrams (Pqube 3, Pqube 3E, Pqube 3R)35
Single Phase L1-N35
Single Phase 3-Wire / Split Phase36
Delta-3 Cts36
Delta-2 Cts37
Wye/Star37
Measuring Neutral Current38
Measuring Earth Current38
Measuring Net Earth Current-Delta39
Measuring Net Earth Current-Wye/Star39
Configuring the Pqube40
Using the Configurator40
Initial Device Setup41
Set Potential Transformer (PT) Ratio41
Set Current Transformer (CT) Ratio42
Troubleshooting: Common Installation Errors44
Maintenance46
Turning off Pqube46
Replacing Pqube 3'S Clock Battery46
Life Expectancy of the Pqube 3 and the PM1/PM2 Module46
UPS1 Life Expectancy and Long-Term Storage Instructions46
Cleaning Instructions47
Reasons for Reset47

POWERSIDE PQube 3 - Measuring Net Earth Current-Delta; Measuring Net Earth Current-Wye;Star

Table of Contents

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