GE EPM 6000 Multi-function Power Metering System specs

CHAPTER 3: INSTALLATION

3.3.3Wye, 4-Wire with no PTs and 3 CTs, 2.5 Element

For this wiring type, select 2.5EL WYE (2.5-element Wye) in the meter programming setup.

FIGURE 3–10: 4-Wire Wye with no PTs and 3 CTs, 2.5 Element

EPM 6000 MULTI-FUNCTION POWER METERING SYSTEM – USER GUIDE

3–11

Image 43

GE EPM 6000 Multi-function Power Metering System instruction manual 3 Wye, 4-Wire with no PTs and 3 CTs, 2.5 Element

Contents

Chapter Page Table of Contents Using the Meter Miscellaneous TOC-4 Description IntroductionHighlights EPM 6000 Highlights Utility Peak Demand FeaturesUniversal Voltage Inputs Current Inputs EPM 6000 Measured Values Measured Values Order Codes OrderingEPM 6000 Order Codes Inputs/Outputs SpecificationsMetering Communications EnvironmentalMechanical Parameters Approvals Type Testing Three-Phase Power Measurement Wye Connection Three-Phase System Configurations Vcn Common Phase Voltages on Wye Services Delta Connection Three-Phase Delta Winding Relationship Three-Phase, Four-Wire Delta Phasors Blondells Theorem and Three-Phase Measurement Phase B Phase C Node n Phase a Electrical Background Power Power, Energy, and DemandEnergy Power Use Over Time Demand Power and Energy Relationship Over Time Energy Use and Demand Intervals Real, Reactive, and Apparent Power Reactive Energy and Power Factor Apparent power Power Factor Harmonics of a Non-Sinusoidal Waveform Harmonic Distortion Voltage and Current Monitoring Inductive and Capacitive Impedance Waveform Capture Typical Power Quality Problems Power Quality Electrical Background Dimensions Mechanical Installation Ansi and DIN Mounting Panel Cutouts Ansi Installation Steps Ansi Mounting Procedure DIN Installation Steps DIN Mounting Procedure Installation Considerations Electrical Installation CT Leads Pass-Through No Meter Termination CT Leads Terminated to Meter Quick Connect Crimp CT Terminations Voltage and Power Supply Connections Voltage Connection Ground Connections Wiring Diagrams 4-Wire Wye with no PTs and 3 CTs, 3 Element 2 Wye, 4-Wire with no PTs and 3 CTs, 3 Element 10 4-Wire Wye with no PTs and 3 CTs, 2.5 Element 3 Wye, 4-Wire with no PTs and 3 CTs, 2.5 Element 11 4-Wire Wye with 3 PTs and 3 CTs, 3 Element 4 Wye, 4-Wire with 3 PTs and 3 CTs, 3 Element 12 4-Wire Wye with 2 PTs and 3 CTs, 2.5 Element 5 Wye, 4-Wire with 2 PTs and 3 CTs, 2.5 Element 13 3-Wire Delta with no PTs and 2 CTs Delta, 3-Wire with no PTs and 2 CTs 14 3-Wire Delta with 2 PTs and 2 CTs Delta, 3-Wire with 2 PTs and 2 CTs Current-Only Measurement Three-Phase Current-Only Measurement Dual-Phase Current-Only Measurement Single-Phase IrDA COM1 Port Communications Setup3 RS485 COM2 Port 16 RS485 Communications Installation Faceplate Elements Front Panel Interface Faceplate Buttons Using the Meter % of Load Bar Segments Percentage of Load Bar EPM 6000 Accuracy Test Constants Watt-Hour Accuracy Testing Verification Overview Configuring the Meter via the Front PanelStart Up Main Menu Reset Mode and Password Entry Using the Meter Using the Meter Configuring the Scroll Feature Changing Settings in Configuration Mode Programming the Configuration Mode Screens Configuring the CT Setting Value for amps is a product of the Ct-nand the Ct-Svalues Configuring the PT Setting Configuring the Connection Setting Configuring the Communication Port Setting Address Using the Meter Operating Mode Parameter Readings Operating Mode Using the Meter Memory Map Description Modbus CommunicationsMemory Map HEX Range Units or Comments THD Block7 Description 1 Format Range 7532 PT denominator Secondary Readings Section Modbus Memory Map Notes Communications Modbus Memory Map Data Formats DNP Point Maps DNP Point MappingDNP Point Mapping Sheet 1 DNP Point Mapping Sheet 2 DNP Point Map Notes Data Link Layer DNP ImplementationTransport Layer Following function codes are implemented on the EPM Application Layer Binary Output Status Object 10, Variation DNP Objects and VariationsControl Relay Output Object 12, Variation 5 16-Bit Analog Input Without Flag Object 30, Variation 4 32-Bit Binary Counter Without Flag Object 20, Variation Internal Indications Object 80, Variation Class 0 Data Object 60, Variation Communications Introduction Navigation Maps Main Menu Navigation Main Menu Screens Operating Mode Navigation Operating Mode Screens Reset Mode Navigation Reset Mode Screens Configuration Mode Screens Release Dates Revision HistoryChanges to the Manual Major Updates for 1601-0215-A2 GE Multilin Warranty Warranty Index Irda Power Supply Wiring