Schweitzer Engineering Laboratories SEL-734

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Date Code 20090730 Instruction Manual SEL-734 Meter

Section 4

Metering

Overview

This section explains the following SEL-734 Meter metering functions:

➤ Four-Quadrant VAR Metering

➤ Instantaneous Metering

➤ Demand Metering

➤ Energy Metering

➤ Energy Interface

➤ Maximum/Minimum Metering

➤ Crest Factor Metering

➤ Harmonic Metering

➤ Transformer/Line Losses

➤ Load Profile Report

➤ Metering Calculations

Courtesy of NationalSwitchgear.com

Main Page

Default Chapter3
- Table of Contents3
List of Tables7
List of Figures11
Preface13
Section 1: Introduction and Specifications19
- Overview19
- SEL-734 Meter Forms and Models19
- Table 1.1 SEL-734 Form Numbers19
- Table 1.2 SEL-734 Feature Availability20
- Applications21
- Figure 1.1 SEL-734 Applied at Billing Points Throughout the Power System21
- Hardware Connection Features22
- Figure 1.2 SEL-734 Inputs, Outputs, and Communications Ports22
- Figure 1.3 SEL-734 Extra I/O Board (Expansion Slot #2)23
- Communications Connections24
- Figure 1.4 SEL-734 Communications Connection Examples24
- Specifications25
Section 2: Installation29
- Overview29
- Meter Mounting29
- Figure 2.1 SEL-734 Horizontal Panel-Mount Dimensions29
- Figure 2.2 SEL-734 Vertical Panel-Mount Dimensions30
- Figure 2.3 SEL-734 Easily Extractable Meter (EXM) Mounting Dimensions30
- Connection Diagrams31
- Figure 2.4 SEL-734 Horizontal Front-Panel Drawing31
- Figure 2.6 Rear-Panel Drawings for Model 0734ES2-6X33
- Making Rear-Panel Connections34
- Figure 2.7 Grounding Terminal Symbol34
- Table 2.1 SEL-734 Power Supply Fuse Requirements35
- Figure 2.8 Form 9, 3-Element, 4-Wire Wye37
- Figure 2.9 Form 5, 2-Element, 3-Wire Delta38
- Table 2.2 Expansion Slot C (#1) Circuit Board Jumper J7 Information39
- Figure 2.10 J7 Internal Telephone Modem Jumper Positions39
- Figure 2.11 J7 Location on the Auxiliary Communication Board39
- Table 2.3 Communication Cables Used to Connect the SEL-734 to Other Devices40
- Table 2.4 Optical Port Probes41
- Circuit Board Connections42
Section 3: PC Software45
- Overview45
- Installing the Computer Software45
- Table 3.1 System Requirements for AC SEL ERATOR Quickset45
- Installation46
- Starting AC SEL ERATOR Quickset46
Section 4: Metering47
- Overview47
- Four-Quadrant VAR Metering48
- Figure 4.1 IEEE VAR Sign Convention48
- Instantaneous Metering49
- Table 4.1 Metering Quantity Definitions49
- Figure 4.2 SEL-734 Power Flow Notations49
- Demand Metering51
- Figure 4.3 Response of Thermal, Rolling, and Block Demand Meters to a Step Input (Setting DMTC=15 Minutes)52
- Table 4.2 Demand Meter Settings and Settings Ranges54
- Table 4.3 Time = 5 Minutes Intervals54
- Table 4.4 Time = 10 Minutes Intervals54
- Table 4.5 Time = 15 Minutes Intervals55
- Table 4.6 Demand Meter Settings and Settings Range56
- Figure 4.5 PREDAL Logic56
- Figure 4.6 Demand Current Logic Outputs57
- Energy Metering59
- Table 4.7 Example ANGCUT Setting59
- Energy Interface60
- Table 4.8 Energy Interface Table60
- Maximum/Minimum Metering62
- Figure 4.7 FAULT and DFAULT Meter Word Bit Logic63
- Crest Factor Metering64
- Harmonic Metering65
- Transformer/Line Loss Compensation67
- Table 4.9 MET H Command67
- Figure 4.8 Meter and Billing Positions67
- Table 4.10 Meter Power Calculation Corrections According to Meter Position68
- Table 4.11 Analog Values Affected by Transformer/Line Loss Compensation68
- Table 4.12 Required User Input69
- Figure 4.9 Example System Values71
- Table 4.13 Settings for Example Loss Calculations72
- Load Profile Report74
- Table 4.14 Load Profile Recorder Settings and Commands74
- Table 4.15 LDP Serial Port Commands75
- Table 4.16 LDP File Transfer Commands77
- Table 4.17 LDP Field Format77
- Table 4.18 Meter Configuration Record78
- Table 4.19 SEL-734 Load Profile Record Response80
- Table 4.20 Record Type 0065-Present Values80
- Table 4.21 Record Type 0066-Meter Status80
- Table 4.22 Record Type 0067-LDP Data81
- Table 4.23 Status Nibble Definitions81
- Metering Calculations82
- Table 4.24 Record Type 0068-SER Data82
- Table 4.25 Record Type 0069-LDP Error82
Section 5: Time-Of-Use85
- Introduction85
- Settings85
- TOU Setup86
- Figure 5.1 Setup Page86
- Figure 5.2 Rate Schedules Page87
- Figure 5.3 Schedule Drop-Down Menu87
- Figure 5.4 Deleting a Rate Schedule88
- Figure 5.5 Renaming a Rate Schedule88
- Figure 5.6 Modifying a Rate Schedule89
- Figure 5.7 Calendar Page90
- Figure 5.8 Calendar Entry Drop-Down Menu91
- Figure 5.9 Calendar Entry Editor91
- Figure 5.10 Calendar Entry Editor91
- Figure 5.11 Quick Set Menu92
- Figure 5.12 TOU Data Page92
- Table 5.1 Available Time-Of-Use Data93
- TOU Glossary95
- Figure 5.13 Total At/Since Demand Reset95
- Figure 5.14 Peak Cumulative Demand96
Section 6: Power Quality and Event Analysis99
- Overview99
- Event Reports100
- Figure 6.1 Standard Event Report Summary100
- Table 6.1 Example EVE Commands101
- Table 6.2 Standard Event Report Current, Voltage, and Frequency Columns103
- Figure 6.2 Typical Auto Message Response103
- Example Standard 15-Cycle Event Report104
- Figure 6.3 Example Standard 15-Cycle Event Report 1/16-Cycle Resolution (Wye-Connected Pts)105
- Sequential Events Recorder (SER) Report106
- Table 6.3 Example SER Serial Port Commands107
- Example Sequential Events Recorder (SER) Report108
- Table 6.4 Sequence of Events Recorder Explanation108
- Figure 6.4 Example Sequential Events Recorder (SER) Event Report108
- Sag/Swell/Interruption (SSI) Report109
- Figure 6.5 AC SEL ERATOR Quickset VSSI Report with CBEMA/ITIC and Disturbance Analysis109
- Figure 6.6 Example SSI Response in AC SEL ERATOR Quickset110
- Table 6.5 Element Status Columns111
- Table 6.6 Status SSI Column111
- Figure 6.7 Example Sag/Swell/Interruption (SSI) Report (Meter Form 9)111
- Figure 6.8 Example Sag/Swell/Interruption (SSI) Report (Meter Form 5)112
Section 7: Time-Synchronized Measurements113
- Overview113
- Meter Configuration for High-Accuracy Timekeeping113
- Figure 7.1 High-Accuracy Timekeeping Connections114
- Synchrophasor Measurements115
- Table 7.1 Required Synchrophasor Settings116
- Table 7.2 PMDATA Setting for Synchrophasor Fast Message Data Selection (Form 9 Meter)117
- Table 7.3 SEL Fast Message Protocol Format118
- Table 7.4 Unsolicited Write Message Transmission Rates118
- Table 7.5 Minimum Bandwidth Requirements119
- Table 7.6 Unsolicited Fast Message Enable Packet120
- Table 7.7 Unsolicited Fast Message Disable Packet120
- Power Flow Analysis121
- Table 7.8 Meter Voltage and Current Measurement121
- Figure 7.2 500 Kv Three Bus Power System121
- State Estimation Verification123
- Figure 7.3 Power Flow Solution123
Section 8: Logic125
- Overview125
- Table 8.1 SEL-734 Logic Inputs and Outputs125
- Optoisolated Inputs126
- Figure 8.1 Example Operation of Optoisolated Inputs IN101 through IN102126
- Figure 8.2 Example Operation of Optoisolated Inputs IN401 through IN404, Extra I/O Board (Model 0734ES2-6X)126
- Remote Control Switches128
- Figure 8.3 Remote Control Switches Drive Remote Bits RB01 through RB16128
- Latch Bits129
- Figure 8.4 Traditional Latching Relay129
- Figure 8.5 Latch Control Switches Drive Latch Bits LT01 through LT16129
- Figure 8.6 Battery Charger Health Status Contact Pulses Input IN102 to Enable/Disable ALARM Output Contact130
- Figure 8.7 Single Input to Control ALARM131
- Figure 8.8 Latch Control Switch Operation Time Line131
- Figure 8.9 Latch Control Switch (with Time-Delay Feedback) Operation Time Line132
- SEL OGIC Control Equation Variables/Timers133
- Figure 8.10 SEL OGIC Control Equation Variables/Timers SV01/SV01T through SV16/SV16T133
- Table 8.2 Operator Precedence134
- Math Variables135
- Counter Variables135
- Table 8.3 Counter Inputs and Outputs135
- Figure 8.12 SEL OGIC Variable SV10 Timing Logic136
- KYZ Outputs137
- Table 8.4 KYZ Energy Values137
- Table 8.5 KYZ Output Settings and Ranges138
- Figure 8.14 KYZ Pulse Pickup138
- Output Contacts139
- Figure 8.15 Logic Flow for Example Output Contact Operation140
- Analog Output141
- Table 8.6 Analog Output Settings141
- Figure 8.16 Example SEL-734 Connected to an RTU141
- Rotating Display142
- Table 8.7 Example Connection Details142
- Table 8.8 Display Point Test Definitions143
- Table 8.9 Display Point Formatting144
Section 9: Settings147
- Overview147
- Table 9.1 Serial Port SET Commands147
- Settings Changes Via the Serial Port148
- Table 9.2 Set Command Editing Keystrokes148
- Meter Word Bits (Used in SEL OGIC Control Equations)149
- Table 9.3 SEL-734 Meter Word Bits149
- Table 9.4 SEL-734 Meter Word Bit Definitions151
- Settings Explanations157
- SEL-734 Settings Sheets159
Section 10: Communications171
- Overview171
- Communications Options171
- Table 10.1 SEL-734 Meter Models and Available Serial Ports171
- Table 10.2 Modem Settings172
- Figure 10.1 Factory Default at String172
- Table 10.3 Useful at Commands173
- Table 10.4 Useful Dialing Modifiers173
- Port Connector and Communications Cables174
- Figure 10.2 DB-9 Connector Pinout for EIA-232 Serial Ports174
- Table 10.5 Ethernet Port LED Description175
- Table 10.6 Pinout Functions for EIA-232 Serial Ports 2, 3, and 4175
- Figure 10.3 Ethernet Port Status Leds175
- Figure 10.4 Cables for Connecting the SEL-734 to a Computer176
- Figure 10.5 Cable for Connecting the SEL-734 to a DNP Device177
- Figure 10.6 Cable for Connecting the SEL-734 to an External Modem177
- Figure 10.7 Cable for Connecting the SEL-734 to an SEL-2020, SEL-2030, SEL-2032, or SEL-2100177
- Communications Protocols178
- Table 10.7 Serial Communications Port Pin/Terminal Function Definitions178
- Table 10.8 Serial Port Automatic Messages181
- Command Summary182
- Command Explanations184
- Figure 10.8 Using Hyperterminal to Read Settings187
- Table 10.9 MET CF Command Displayed Quantities189
- Table 10.10 MET D Command Displayed Values189
- Table 10.11 MET E Command Displayed Quantities190
- Table 10.12 MET Command Displayed Magnitudes192
- Table 10.13 MET M Command Displayed Quantities193
- Table 10.14 MET PM Displayed Quantities193
- Table 10.15 SHO Command Options194
- Table 10.16 STA Abbreviation Definitions195
- Table 10.17 TAR Command Options196
- Table 10.18 SEL-734 Meter Word and Its Correspondence to TAR Command196
- Table 10.19 SEL-734 Meter Control Subcommands199
- Figure 10.9 Using Hyperterminal to Write Settings200
- Table 10.20 Factory Default Passwords201
- Figure 10.10 Jumper Header-Password and Breaker Jumpers201
- Table 10.21 Main Board Jumpers202
- Table 10.22 STA S Command202
- SEL-734 Meter Command Summary203
- Table 10.23 STA SC and STA SR Command203
- Table 10.24 Command Summary203
Section 11: Front-Panel Operation207
- Front-Panel Layout207
- Figure 11.1 Meter Front Panel207
- Normal Front-Panel Display208
- Front-Panel Automatic Messages208
- Front-Panel Menus and Operations208
- Table 11.1 Front-Panel Automatic Messages208
- Figure 11.2 Default Display Screen208
- Table 11.2 Front-Panel Pushbutton Functions209
- Figure 11.3 Front-Panel Pushbuttons209
- Figure 11.4 Access Level Security Padlock Symbol209
- Figure 11.5 Password Entry Screen210
- Front-Panel Main Menu212
- Figure 11.6 Front-Panel Main Menu212
- Figure 11.7 Main Menu > Meter Function212
- Figure 11.8 Meter Menu > Instantaneous Meter Display Functions212
- Figure 11.9 Main Menu > Set/Show Function213
- Figure 11.10 Set/Show > Meter Function213
- Figure 11.11 Set Meter > Port Function213
- Figure 11.12 Set/Show > Password Function214
Section 12: Testing and Troubleshooting215
- Overview215
- Testing Philosophy215
- Testing Methods and Tools217
- Table 12.1 Meter Testing Features217
- Figure 12.1 Typical TEST Mode Connections for an SEL-734 Using a Single-Phase Test Source218
- Figure 12.2 Typical TEST Mode Connections for an SEL-734 Using Three-Phase Test Source218
- Table 12.2 Default Meter Test Pulse Weights221
- Table 12.3 IEEE Recommended Test Pulses224
- Gain Adjustment225
- Table 12.4 Values Affected by WGAIN and VARGAIN225
- Meter Self-Tests226
- Table 12.5 Meter Self-Tests227
- Meter Troubleshooting228
- Meter Calibration229
- Factory Assistance229
Appendix A: Firmware and Manual Versions231
- Firmware231
- Table A.1 Firmware Revision History231
- Table A.2 Instruction Manual Revision History237
Appendix Bsel Distributed Port Switch Protocol (LMD)239
- Overview239
- Settings239
- Operation239
Appendix C: SEL Communications Processors241
- SEL Communications Protocols241
- Table C.1 Supported Serial Command Sets241
- Table C.2 Compressed ASCII Commands242
- SEL Communications Processor243
- Figure C.1 SEL Communications Processor Star Integration Network243
- Table C.3 SEL Communications Processors Protocol Interfaces244
- Figure C.2 Multitiered SEL Communications Processor Architecture244
- SEL Communications Processor and Meter Architecture245
- Figure C.3 Enhancing Multidrop Networks with SEL Communications Processors246
- SEL Communications Processor Example247
- Table C.4 SEL Communications Processor Port 1 Settings247
- Figure C.4 Example SEL Meter and SEL Communications Processor Configuration247
- Table C.5 SEL Communications Processor Data Collection Auto-Messages248
- Table C.6 SEL Communications Processor Port 1 Automatic Messaging Settings248
- Table C.7 SEL Communications Processor Port 1 Region Map248
- Table C.8 Communications Processor METER Region Map249
Appendix D: Setting SEL251
- OGIC Control Equations251
- Overview251
- Meter Word Bits251
- SEL OGIC Control Equations252
- Table D.2 SEL OGIC Control Equation Settings Limitations for the SEL-734 Meter Model253
- Processing Order and Processing Interval254
- Table D.3 Processing Order of Meter Elements and Logic (Top to Bottom)254
Appendix E: Distributed Network Protocol255
- Overview255
- Table E.1 VSSI Record Status Report Definitions257
- Table E.2 Phase SSI Column Definitions257
- Configuration258
- Table E.3 SEL-734 DNP3 Default Data Map258
- Table E.4 SEL-734 DNP3 Default Variations258
- Table E.5 DNP3 Device Profile259
- EIA-232 Physical Layer Operation267
- Ethernet Operation268
- Data-Link Operation268
- Table E.6 DNP-IP Specific Settings268
- Data Access Method269
- Device Profile269
- Table E.7 Data Access Methods269
- Table E.8 SEL-734 DNP3 Device Profile269
- Object Table271
- Table E.9 SEL-734 DNP Object List271
- Data Map273
- Table E.10 Event Causes273
- Table E.11 Fault Type273
- Table E.12 Control Field273
Appendix F: Modbus RTU Communications Protocol275
- Overview275
- Modbus RTU Communications Protocol275
- Table F.1 Modbus Query Fields275
- Table F.2 SEL-734 Meter Modbus Function Codes276
- Table F.3 SEL-734 Meter Modbus Exception Codes276
- Table F.4 01H Read Coil Status Commands277
- Table F.5 Meter Responses to 01H Read Coil Query Errors277
- Table F.6 02H Read Input Status Command278
- Table F.7 SEL-734 Meter Inputs278
- Table F.8 Responses to 02H Read Input Query Errors278
- Table F.9 03H Read Holding Register Command279
- Table F.10 Responses to 03H Read Holding Register Query Errors279
- Table F.11 04H Read Holding Register Command280
- Table F.12 Responses to 04H Read Holding Register Query Errors280
- Table F.13 05H Force Single Coil Command280
- Table F.14 SEL-734 Meter Output Coils (Fc05H)281
- Table F.15 Responses to 05H Force Singe Coil Query Errors281
- Table F.16 06H Preset Single Register Command281
- Table F.17 Responses to 06H Preset Single Register Query Errors281
- Table F.18 08H Loopback Diagnostic Command282
- Table F.19 Responses to 08H Loopback Diagnostic Query Errors282
- Table F.20 10H Preset Multiple Registers Command282
- Table F.21 Responses to 10H Preset Multiple Registers Query Errors283
- Table F.22 Modbus Conversion284
- Table F.23 Modbus Register Map285
- Table F.24 Sequence of Event Enumerations303
- Table F.25 Load Profile Status Enumeration303
- Table F.26 Load Profile Record Status Bits304
- Table F.27 Example Load Profile Status Enumeration304
- Figure F.1 Example Decimal Enumeration304
Appendix G: MIRRORED BITS Communications305
- Overview305
- Operation305
- MIRRORED BITS Protocol for Pulsar 9600 Baud Modem308
- Settings308
- Table G.2 Matching RX_ID of Local Meter to TX_ID of Remote Meter309
Appendix H Analog Quantities311
- Table H.1 Instantaneous and RMS Quantities312
- Table H.3 Peak Demand Metering315
- Table H.4 Energy Metering317
- Table H.5 Maximum/Minimum Metering318
- Table H.6 Harmonics Metering319
- Table H.7 Flicker Metering320
- Table H.8 Diagnostics320
- Table H.9 Date/Time320
- Table H.10 SEL OGIC Counters320
- Table H.11 SEL OGIC Math Variables321
- Table H.12 DNP Remote Analog Output Objects321
- Table H.13 Transformer Ratio Settings321
- Table H.14 Prefix and Qualifier Descriptions321
- Table H.15 Time-Of-Use322
Glossary325
Index337
- Table H.2 Demand Metering338
SEL-734 Meter Command Summary341

Schweitzer Engineering Laboratories SEL-734 - Section 4: Metering

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