Accessing Voltage and Current Phases | GE EPM 5350, EPM 5200

ACCESSING VOLTAGE AND CURRENT PHASES

CHAPTER 5: OVERVIEW

5.2Accessing Voltage and Current Phases

The EPM5300P displays four current measurements (phases A, B, C, and Neutral) and six voltage measurements (phase-to-phase: A-B, B-C, C-A and phase-to-neutral: A-N, B-N, C-N).

MAX

AC VOLTS

A B C A B C

MIN

N N N B C A

LM1

LM2

AC AMPS

A B C N

POWER

PF

KW

KVA

KVAH		KWH		FREQ		KVAR

	MAX/MIN	VOLTS	AMPS	POWER	PHASE
	LIMITS				NEXT

Step 1:

a. To select the Amps (or Volts) category, press AMPS (or VOLTS).

The display blanks and all annunciators in the section glow, confirming selection.

MAX			AC VOLTS
MAX			A	B C A B C
MIN			A	B C A B C
MIN			N N N B C A
LM1			N N N B C A
LM1
LM2			AC AMPS
			AC AMPS
				A B C N
				POWER
				PF
				KW
				KVA
KVAH	KWH		FREQ	KVAR
MAX/MIN	VOLTS	AMPS	POWER	PHASE
LIMITS	VOLTS	AMPS		NEXT

Step 2:

a. Press PHASE/NEXT for the desired phase.

5–32	EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL

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GE EPM 5350, EPM 5200, EPM 5300 Accessing Voltage and Current Phases, Press PHASE/NEXT for the desired phase

Contents

EPM 5300 Power Metering System Chapter GE MultilinPage Table of Contents Programming 111 112113 114 Table of Contents TOC-IV EPM 5300 Series Meters AC Power Measurement Single Phase System Power W in a single phase system is = E I cosΘ Three-Phase System Delta Wye Poly Phase System 1 Delta, 2 Wye Consumption, Demand and Poor Power Factor Consumption WH = W ⋅ T Waveform and Harmonics Sin ω ⋅ t EPM 5300 Series Meters Mechanical Installation Mechanical Installation Installation with K-110 option for limited space conditions Port Mechanical Installation Feet EPM 5300 Series Meters Electrical InstallationConnecting the Current Circuit Helpful Debugging Tools Option 1 Isolating a CT Connection Reversal power readingCT Connection Connecting the Voltage Circuit Selecting the Voltage Fuses Connection to the Main Power Supply Externally fuse power supply with a slow-blow 3 Amp fuse Electrical Connection Installation List of Connection Diagrams Line Load Back View Line Back View B C Load Line B C Back View Load Single Phase with CT and PT Connection EPM 5300P-S Line Relay, Protection and Pulse Output EPM 5300P Relay Overview2 2 Relays & 1 KYZ Pulse Output -NL Option This section applies only to the -NL or -NL2 Relay Option Close-up of the Relay and KYZ pulse output on the rear panel Standard Rate Table for Watts KYZ Pulse Outputs NL2 Option Standard Rate Table for Watts KYZ Pulse Outputs NL2 Option EPM 5300 Series Meters Communication Installation RS-232C RS-485 Hookup Diagram 2 wire Half Duplex RS-485 RS-485 Hookup Diagram 2 wire Half Duplex Closed Loop RS-485 Hookup Diagram 4 wire Full Duplex Connecting 4-Wire bus to RS-485 Port RS-485 Hookup Diagram 4 wire Full Duplex Detail View Network of Instruments and Long Distance Communication You may want to use a Modem Manager RS485-RS232 Converter Modem Connected to the Device Remote Modem Modem Connected to Computer Originate ModemProgramming the Modem Tell modem to write the new settings to activate profile Debugging Communication Problems EPM 5300 Series Meters Overview Freq± Total KWH Total Kvah N/A on EPM 5200P EPM 5300P front panel with display and keypad Sequence Accessing the Power FunctionsPress Power to select the power category Accessing Voltage and Current Phases Press PHASE/NEXT for the desired phase Accessing %THD Functions Display blanks and indicates the %THD value momentarily Viewing Individual Phase Indication for Power Functions Accessing Max/Min Values Phase Resetting Values Unprotected ResetTo reset the min of Amps a Repeat this procedure for each value you wish to reset Protected Reset Password is Resetting Hour Readings Press Power onceTime a password digit Appears While the question Accessing the LM1/LM2 Set Limits To view the setup of the LM1/LM2 set limitsTo access the set limit To locate readings that exceeded Limit Voltage Phase Reversal and Imbalance Voltage Phase ReversalThis display indicates a Press and hold down Access Modes Enter Programming Mode see Programming SectionPrint Operating Data Print Programming Data Middle display Release both buttons Press and hold PHASE/NEXTPrint Operating Data Print Programming Data Accessing Firmware Version/LED Test Step Press and hold PHASE/NEXT General Procedure EPM 5300 Series Meters Programming Overview Switch Packs GROUPS, Functions, and Switch Packs Programming Mode Data Entry Point from Function and Group levelPosition UP or Down Activates new data entry and enters or exits from Standard Numeric Data Entry EPM 5300 Series Meters EPM 5200P EPM 5200P EPM 5300P vs EPM 5200P vs EPM 5350P VA/HR EPM 5300 Series Meters Entering Programming Mode Checksum Error-Protective Self-Checking Algorithms Password Entry Entering Programming ModeIf 3 is not already displayed Press Amps until 3 appears Flashes momentarily in middle display System Configuration see Table Relay 1 Set-up / Time delayRelay 2 Set-up / Time delay Number of Phases Enter Group Level of Programming Mode see Chp Lower display indicates current Interval settingGroup 0, Function 0-The Integration Interval Press Amps to activate the Group Programming Group 0 Global Meter Setup To change the Meter Address Group 0, Function 2 Baud Rate Group 0, Function 3 System Configuration Group Function Pack Open Delta System Installation Programming Programming Group 0 Global Meter Setup Modbus Plus Capability Printing Option Group 0, Function 3-Programming Procedure To change the System Configuration Switch Settings Relay Mode Programming Steps Enter in Group 0, Function 4, Pack ‘p’, Segments C and D LI M IT S To change Time Delays Relay 1 On to Off Delay TimeRelay 1 Off to On Delay Time Relay 2 On to Off Delay Time To program Relay 2 KYZ Parameters Group 0, Function 6-KYZ Parameter SelectionTo perform the KYZ Parameter Selection Enter Group Level of Programming Mode see Chp KYZ Pulse Value How to Use KYZ Pulse Value Table for MultiplicationApplies to -NL2 Option only How to Use KYZ Pulse Value Table for Division Selection is Multiply by To change the KYZ pulse value Group 0, Function 7-Number of Phases Enter 2 for single phase/two wireEnter Group Level of Programming Mode. Chapter Press Amps to activate the Group Appears in upper display Formulas Typical Full Scale Settings for Volts Group 1, FunctionVoltage Full Scale Group 1 Programming Format Press Volts to move decimal point Press Amps to store Press MAX/MIN/LIMITS until 1. appears in upper displayPress Amps to activate Group Appears in upper display 10-76 To change the Full Scale Settings Full Scale Settings for Amps Entering the Scale Factor Decimal Point Selection Step Press Amps to begin Data Entry Sequence Scale Selection and Decimal Placement for Watts To change the scale factor setting for wattage Display Entering the Scale Factor Step 10-82 EPM 5300 Series Meters Programming Group 2 Meter Calibration Calibration Requirements Group 2 Programming FormatHigh End Calibration-Volts AN, BN, CN High End Calibration-Amps A, B, C Group 2, Functions To change the calibration high end-Functions 0 For Amps Low End Function Group 2, Functions 11-87 11-88 EPM 5300 Series Meters Groups 4, 5 Set Limits Relays LM1 and LM2 SET Limits Trip Relay Time Delays & Relay Mode Group 4 Functions 0-3-LM1/LM2 Set Limits V O L T S A M P S Group 4 Programming Format for Limit Condition Group 4 Programming FormatGroup 4 Functions Group 4 Example for Function Group 5 Programming Format for Limit Condition There are 3 switches to set with limitsGroup 5 Functions 0-7-LM1/LM2 Set Limits Special Cases Group 5 FunctionsGroup 5 Example for Function Digit Up Digit Down 0120 Group 6 Functions Group 6 LM1/LM2 Set LimitsGroup 6 Programming Format For THD Limit Conditions Group 6-Example for Function Digit Up Digit Down 012.0 Limits or Relays Programming Procedure Group Press Amps once to Disable the Limit Limits or Relays Programming Procedure 12-100 Phase Reversal and Phase Imbalance Phase Imbalance Trip Relay Level ENABLE/DISABLE Group 7, Function 0-Voltage Phase Reversal Detection To change the phase reversal settingVoltage Phase Reversal Detection Voltage Phase Imbalance 13-104 Group 7, Function 1-Percentage Voltage Phase Imbalance To change the percentage voltage phase imbalance Middle and lower displays indicate new settings EPM 5300 Series Meters Exiting Programming Mode Exiting Programming Mode Meter returns to Function Level Press Amps to exit from Function Level to Group Level Entering the Programming Mode EPM 5300 Series Meters Programming Quick Reference Data Entry Sequence Group 0 Global Meter Setup Programming Groups Group 1 Full Scale Setup On to OFF delay time OFF to on delay timeVolts Full Scale Currents Full Scale Power Full Scale Group 2 Calibration Group 5 Power Function Limits Group 3 Calibration RatiosGroup 4 Volt/Current Limits Group 6 THD Limits Detect Reversal Imbalance percent Limit Group 7 Imbalance/Reversal LimitsGroup 8 DC output Calibration 89L. Low-End Calibration 89H. High-End Calibration ⎯ Scroll Groups⎯ Scroll Functions ⎯ Scroll Packs 15-116 EPM 5300 Series Meters Ethernet Option Ethernet Module Ethernet Option Setup AutoIP Network Port Login Network ConfigurationARP on Unix Telnet to Port Configuration Parameters Baud Rate