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The kV Vector Electricity Meter with Site GenieTM Monitor

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Access to Alternate Display & Site Genie. Non-volatile memory for all data ... Site Genie Display. Provides Site Diagnostic Display Scroll. Service type ... – PowerPoint PPT presentation

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Title: The kV Vector Electricity Meter with Site GenieTM Monitor


1
The kV Vector Electricity Meterwith Site GenieTM
Monitor
  • Functions, Features, Options
  • Operating Tips

2
Overview
  • Wide voltage range operation
  • 120 480 Volts nominally, 10/-20
  • Capable of metering 600/347 Volt 4-wire wye
    servicesNOT 600 V delta! (hardware version 05
    or greater)
  • 57 120 Volt version also available
  • Class 20, 200, 320 available in S-base
  • Class 20, 150 available in A-base
  • Class 20 Switchboard
  • 120 480, or 57120 Volt versions available
  • Not applicable to 600/347 V 4-wire wye services

3
Overview
  • Form Consolidation
  • 1S, 2S, 3S, 4S, 9S, 12S, 16S, 36S, 45S, 56S
  • 10A, 13A, 16A, 36A, 45A, 48A
  • Switchboard (3Z, 9Z, 36Z, and 45Z)
  • FitzallTM versions allow further inventory
    reduction
  • 9S, 16S for all TR SC socket based applications
  • 10A or 48A, 16A for bottom connected applications
  • 9S Class 200 now available
  • Possible to meter all standard services with one
    meter!

4
Overview (cont.)
  • Upgradeable
  • Enable software switches for
  • TOU, Reactive/kVA/PF, Event Log, Call-in during
    Outage
  • Add option boards for
  • Pulse Initiator, Recorder, Remote Comm., 3? pwr.
    supply
  • Industry Standard Reading Programming
  • ANSI C12.18 (PSEM) C12.19 (Std. Tables)
  • ANSI C12.21 for modem communications
  • Choice of measurements
  • Phasor, Apparent, Arithmetic Apparent

5
Overview (cont.)
  • Simple to use
  • No K or Kh to program
  • Each meter knows to display energy measured by
    the meter
  • MeterMate can program meter without changing the
    Kt value set at the factory.
  • Specify PI value directly in Wh/pulse
  • Works even in unprogrammed mode
  • Automatic Site Diagnostic features

6
Overview (cont.)
  • Clear, one-piece unbreakable cover
  • Single action reset lever
  • Performs demand resets only
  • Test Mode switch under cover
  • Remove cover or work through MeterMate DOS
  • No external mechanical access
  • Magnetically activated display switch
  • Access to Alternate Display Site Genie
  • Non-volatile memory for all data
  • Battery maintains time keeping during outage only
  • Industry standard battery with lower current
    load

7
Display Modes
  • Normal
  • Alternate
  • Site Genie
  • Test
  • Errors and Cautions

8
Display Features
  • Display sequence programmable for normal,
    alternate, test modes
  • Up to 50 display items total
  • Most items available in any display mode
  • Programmable display scroll time, 315 seconds
  • Display switch activated by magnet
  • Momentary Returns to start of Normal scroll
    (also restarts a frozen CA or Er display)
  • 3 Seconds Activates Alternate scroll
  • 6 Seconds Activates Site Genie scroll

9
Display
  • Scrolling block (disk analog) indicates energy
    flow (each cycle Kt Wh)
  • Arrows show direction and quadrant
  • Separate indicator for each phase voltage -
    blinks when low, not shown if phase voltage not
    present
  • Three to six digit demand or energy display with
    zero to four places after the decimal point
  • TOU Rate indicator

10
Display Examples
  • kWh display 5 digits, TOU rate B active, all
    phases present, EOI, lagging vars and delivered
    energy
  • Alternate display active. Previous period kvarh
    display 6 digits, TOU rate A active, Phase A and
    C present, leading vars and received energy
  • Meter in test mode, Wh display 6 digits with
    decimal, TOU rate D active, all phases present,
    phase C voltage low

11
Site Genie Display
  • Provides Site Diagnostic Display Scroll
  • Service type
  • 2-1PH, 3-1PH, 3-d, 4-d, 4-y, 3-n, InPROg, or
    SEr_Er
  • Per Phase Voltage, Current, and Phase Angles
  • Distortion Power Factor (dPF) D/U
  • Snapshot at start of display scroll
  • Examples
  • 0.05 represents 5 Distortion Power (not bad!)
  • 0.40 represents 40 Distortion Power (not good!)
  • Diagnostic Counter values, d1 d8
  • Reverts back to Normal display scroll when
    completed.

12
Test Mode
  • Allows meter testing without disturbing billing
    or load profile data.
  • Initiate by pressing Test Button for 1 second or
    via MM DOS command
  • Demand Reset while in Test Mode resets all test
    data only.
  • Single step display via display switch.
  • Displayed quantity updated every 5 seconds.
  • Exit by pressing Test Button, MM DOS command, or
    by test mode time-out timer (1 min. 99 hours).

13
Test Mode Displayable Items
  • Most items available in Normal Alternate modes.
  • Exclusive Test mode display items are
  • Test mode max. demand (kW, kvar/kQ/kVA)
  • Time remaining in test demand interval (block
    demand)
  • Time remaining in test subinterval (rolling
    demand)
  • Test mode Wh, varh/Qh/VAh
  • Test mode accumulating kW, kvar/kQ/kVA

14
Cautions
  • Display may be Freezing or Non-Freezing
  • Individually control enable display
    parameters (except CA 000010)
  • Unprogrammed CA 000010
  • Low Battery CA 000001
  • Potential Low CA 000400
  • Received kWh CA 400000
  • Leading kvarh CA 040000
  • Demand Overload CA 004000
  • Message clears when condition clears and is
    retested
  • Others require demand reset before clearing

15
Errors
  • Always displayed, may be Freezing or
    Non-Freezing.
  • Battery AC Power Fail (Time Loss) Er 000002
  • Watchdog Time-out (Microprocessor) Er 000020
  • RAM Error Er 000100
  • EEPROM Error Er 000200
  • ROM Error Er 001000
  • Optional Memory Error Er 010000
  • DAP Error Er 100000
  • DSP Error Er 200000
  • Message clears when condition clears

16
Power Quality Monitoring
  • Over / Under Voltage alerts counters (d7 / d6)
  • Automatic reference selection / manual override
  • High Neutral Current alert counter (d8)
  • Power Factor alert (with K switch)
  • Distortion Power Factor alert counter (d5)
  • Cumulative Distortion kVAh (with K switch)
  • Number of outages
  • Last Outage Date/Time (TOU or Recording)
  • Cumulative power outage duration (TOU / Rec)

17
Diagnostic Features
  • Per phase V I with phase angles
  • Automatic service type determination
  • Polarity, Cross Phasing, Rev. Energy Flow (d1)
  • Voltage Imbalance (d2)
  • Inactive Current (d3)
  • Current (phase angle) Imbalance (d4)
  • Diagnostic display clears when condition clears
  • Diagnostic counters track past occurrences
  • Max. 255 counts, must reset manually (wont
    rollover)

18
Diagnostics
  • Diagnostic 1 - Polarity, Cross Phase, Reverse
    Energy Flow
  • Diagnostic 2 - Voltage Imbalance
  • Diagnostic 3 - Inactive Phase Current
  • Diagnostic 4 - Phase Angle Alert
  • Diagnostic 5 A, B, C, T - Distortion Power Factor
  • Diagnostic 6 - Under Voltage, Phase A
  • Diagnostic 7 - Over Voltage, Phase A
  • Diagnostic 8 - High Neutral Current
  • General Rules
  • Enabled diagnostics are tested whenever the
    service type is valid.
  • 3 consecutive failures sets the diagnostic and
    increments counter
  • 2 consecutive passes clears the diagnostic
  • Diagnostic counters freeze at 255.

19
Diagnostic 1
  • Polarity, Cross Phase, Reverse Energy Flow
  • Tests the phase angle relationship of the current
    and voltage phasors for each element.
  • Voltages must be within /- 10 of expected phase
    angle
  • Currents must be within /- 90 of expected phase
    angle at unity PF (assuming a 3-phase load on
    polyphase meters)
  • When enabled, the condition is tested every 5
    seconds when a valid Service type is detected or
    set in the meter
  • Must fail three consecutive tests to set the
    diagnostic alert
  • Must pass two consecutive tests to clear the
    diagnostic alert

20
Diagnostic 2
  • Voltage Imbalance
  • Compares the magnitude of Phase B C voltages
    with the Phase A voltage magnitude.
  • Must be within (/-) the tolerance programmed
  • Normal differences, such as the high leg on a
    4-wire delta, are automatically accounted for by
    the test
  • Tolerance may be set from 0100 in one percent
    increments
  • When enabled, the condition is tested every 5
    seconds when a valid Service type is detected or
    set in the meter
  • Must fail three consecutive tests to set the
    diagnostic alert
  • Must pass two consecutive tests to clear the
    diagnostic alert

21
Diagnostic 3
  • Current Imbalance Alert
  • Compares the magnitude of each phase current with
    the programmed threshold
  • If one or more phase currents falls below the
    threshold while the others are above it, the
    diagnostic is set
  • Tolerance may be set from 0.1A to Class amps
    (effectively)
  • When enabled, the condition is tested every 5
    seconds when a valid Service type is detected or
    set in the meter
  • Must fail three consecutive tests to set the
    diagnostic alert
  • Must pass two consecutive tests to clear the
    diagnostic alert

22
Diagnostic 4
  • Phase Angle Alert
  • Tests the phase angle relationship of the current
    phasors with their respective voltage phasors for
    each element.
  • Currents must be within (/-) the programmed
    tolerance of the expected phase angle at unity PF
    (assuming a 3-phase load on polyphase meters)
  • Tolerance may be set from 0 to 90 in one degree
    increments
  • Diagnostic 4 is checked only if Diagnostic 1 is
    enabled and passes its test
  • When enabled, the condition is tested every 5
    seconds when a valid Service type is detected or
    set in the meter, and d1 passes its test
  • Must fail three consecutive tests to set the
    diagnostic alert
  • Must pass two consecutive tests to clear the
    diagnostic alert

23
Diagnostic 5
  • Distortion Alert
  • Tests the Distortion Power Factor (D/U) at the
    meter
  • Alert is set if the Distortion PF exceeds the
    tolerance programmed AND the instantaneous demand
    exceeds the programmed threshold (___ kW)
  • Tolerance may be set from 0100 in one percent
    increments
  • When enabled, the condition is tested every 5
    seconds when a valid Service type is detected or
    set in the meter
  • Must fail three consecutive tests to set the
    diagnostic alert
  • Must pass two consecutive tests to clear the
    diagnostic alert

24
Diagnostic 6
  • Under Voltage Alert
  • Tests the magnitude of the Phase A voltage
  • Alert is set if the voltage falls below the
    reference voltage by the tolerance programmed
  • Tolerance may be set from 0100 in one percent
    increments
  • By default, the reference voltage is determined
    by the meter automatically based on the service
    type and input voltage magnitude (120, 240, 277,
    or 480 Volts)
  • The reference voltage may be set manually if
    desired
  • When enabled, the condition is tested every 1
    second when a valid Service type is detected or
    set in the meter
  • Must fail three consecutive tests to set the
    diagnostic alert
  • Must pass two consecutive tests to clear the
    diagnostic alert

25
Diagnostic 7
  • Over Voltage Alert
  • Tests the magnitude of the Phase A voltage
  • Alert is set if the voltage exceeds the reference
    voltage by the tolerance programmed
  • Tolerance may be set from 0100 in one percent
    increments
  • By default, the reference voltage is determined
    by the meter automatically based on the service
    type and input voltage magnitude (120, 240, 277,
    or 480 Volts)
  • The reference voltage may be set manually if
    desired
  • When enabled, the condition is tested every 1
    second when a valid Service type is detected or
    set in the meter
  • Must fail three consecutive tests to set the
    diagnostic alert
  • Must pass two consecutive tests to clear the
    diagnostic alert

26
Diagnostic 8
  • High Neutral Current Alert
  • Tests the magnitude of the imputed neutral
    current
  • Alert is set if the calculated neutral current
    exceeds the programmed tolerance
  • Tolerance may be set from 0 to Class amperes
  • This test is disabled for Form 45 and 56 meters
    used in 4-wire wye or 4-wire delta services
  • When enabled, the condition is tested every 5
    seconds when a valid Service type is detected or
    set in the meter
  • Must fail three consecutive tests to set the
    diagnostic alert
  • Must pass two consecutive tests to clear the
    diagnostic alert

27
Nameplate
  • Technical information grouped on lower plate
  • Wiring diagram prevents confusion when working
    with new forms
  • Increased space for Utility information
  • Nameplate mounted on removable carrier

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TOU
kVA/R
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7
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Revenue Guard
4
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Modem
RS
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4
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Modem Ready
U
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CA 0.2
h
  • New Information
  • Kt Value of a test pulse - CA Class Accuracy
    per ANSI C12.20
  • TV Test Voltage - Kh Traditional Constant
    (reference only)

28
Basic Meter Information
  • Energy (kWh)
  • Demand (kW, cum. kW, cont. cum. kW)
  • Rolling, Block, or Thermal Emulation
    (exponential)
  • Diagnostic Information
  • Per Phase V, I, and phase angles.
  • Automatic Service Determination
  • Site Genie event counter information

29
Reactive/kVA/PF Metering
  • Enable via a K switch
  • Choose kvarh, kQh, or kVAh as alternate measure
  • Cumulative and Demand values available
  • Power Factor calculations
  • Average and Instantaneous (momentary)
  • Distortion kVAh

30
Measurement Choices
  • Power Measurement
  • Phasor Power
  • Traditional measurement
  • Only choice with two Electromechanical meters
  • Apparent Power
  • 3-D vector calculation, per IEEE definition
  • Arithmetic Apparent Power
  • A scalar calculation
  • Not applicable to asymmetrical services
  • These three measurements may provide different
    kVA quantities if the load is unbalanced or
    produces distortion.
  • Fundamental Only or Fundamental Harmonics

31
MeterMate Software
  • WindowsTM based program development
  • Program Creation
  • User Configuration
  • DOS based reading/programming
  • Allows use of existing laptops many handheld
    computers
  • Field Functions
  • Reading Programming
  • Softswitch Upgrades Site Genie Reprogramming
  • Fitzall Configuration Pulse Output Reprogramming
  • Reporting (Local List) Set initial energy
    demand values
  • Remote Communications

32
Security Log Information
  • Demand resets
  • Total number of resets
  • Date Time of last reset (TOU/recorder)
  • Programming
  • Total number of times programmed
  • Date Time of last programming (TOU/recorder)
  • User ID of last programmer
  • Calibration
  • User ID of last calibrator
  • Date Time of last calibration (TOU/recorder)
  • OPTOCOM communications
  • Total of communications
  • Date Time of last communication (TOU/recorder)
  • Outages
  • Total number of outages
  • Cum. Duration, Date Time of last outage
    (TOU/recorder)

33
Options
  • Input/Output option board
  • Load Profile recorder board
  • Internal Modem
  • RSX Communications (RS-232/485 or ext. modem)
  • Revenue Guard - 3 phase power supply
  • Soft Switches
  • T Time-Of-Use
  • K Reactive metering quantities
  • E Event Log
  • C Call in on outage (need modem battery)

34
Pulse Initiators Alerts
  • (2) 3-wire relays, (1) 2-wire relay
  • (1) Real Time Pricing (RTP) input
  • Solid state relays
  • Max. ratings 120 Vac, 0.1 Aac 170 Vdc, 0.1
    Adc
  • 3-wire relays may be PI or Alerts
  • 2-wire relay - Alerts only
  • RTP input requires 524 Vdc, 8 mAdc minimum

35
PI Alert Choices
  • Alert Choices
  • High Demand
  • Diagnostic Condition
  • End Of Interval
  • Load Control
  • Low Power Factor
  • TOU Rate
  • Real Time Pricing Active
  • May also be disabled
  • Pulse Initiator Choices
  • Wh
  • varh/Qh/VAh
  • V2h (Phase A, B, or C)
  • I2h (Phase A, B, or C)
  • In2h (imputed neutral current)
  • Relay 1 output available via meter terminals on
    some forms
  • 9S, 3 element meter
  • 36S, 2 ½ element meter
  • 56S, 2 element meter
  • and all A-base

36
Pulse Initiator Calculations
  • MeterMate software programs the Pulse Initiator
    to change state each time an amount of energy is
    measured by the meter (Wh/pulse)
  • If given previous meter Kh and R/P
  • If given Ke, the programming value may be
    calculated
  • TF is Transformer Factor, this is most often
    calculated using
  • For Self Contained meters use TF1
  • Once we know the PI value, we can calculate the
    the Ke value for the consumer (kWh/pulse)

37
Load Profile Recording
  • Add option board and battery, reprogram
  • 64 kB non-volatile memory
  • Up to two channels (kWh, alternate measure)
  • 1, 2, 3, 5, 10, 15, 30, or 60 minute intervals
  • 108 days of data for 2 channel, 15 min. intervals
  • 32,767 pulses per interval
  • Scale Factor available as needed (110)
  • 6 sets of self read data also available

38
Number of Days Worth of Data Available
39
Load Profile Scale Factor
Pulse Count for a Class 320 kV with 320 amps
applied for 15 minutes
  • The kV Meter Load Profile Recorder can
    accommodate up to 32,767 pulses/interval.
  • Under some combinations of service connection,
    voltage, and interval length, pulse counts
    greater than this may be seen.
  • The Scale Factor may be programmed for a value
    from 1 to 10 to reduce the number of pulses
    stored.
  • The examples show maximum pulse counts for a 15
    minute interval with a SF of 1.

Pulse Count for a Class 20 kV with 15 amps
applied for 15 minutes
40
Load Profile Data Translation
  • MeterMate Reports automatically convert data to
    kilo engineering units (secondary for TR data)
  • Third party translation software (MV-90) may
    require a pulse value input.

NOTE Pulse values shown assume the Scale Factor
(SF) 1
41
Event Logging
  • Each event is identified by type, date and time,
    and phase (if appropriate).
  • Event Log is stored in non-volatile memory.
  • Diagnostic and Caution events may be turned off
    through programming.
  • Activated with an E soft switch on version 04
    or later kV Meters.
  • Event Log Reporting is done with MeterMate DOS.
  • Events Logged
  • Power Down / Up
  • Read
  • Program
  • Demand Reset
  • Self Read
  • Calibration Mode
  • Activation / Deactivation logged for the
    following
  • Real Time Pricing
  • Test Mode
  • Diagnostics
  • Cautions

42
Modem Communications
  • 2400 baud design builds on the best of Phase3
    DR-87 modems
  • Call Origination
  • Schedule, Event, Power Restoration, Power Outage
    (optional)
  • Three phone numbers, primary alternate defined
    for each call type
  • Call Answer
  • Shared phone line friendly
  • Answer window, number of rings, and call
    origination window
  • Answer lock-out feature
  • Other phone detect circuitry
  • Line sharing - up to 5 meters on one phone line
  • Designed for open systems third party
    integration
  • Designed to meet ANSI C12.18, C12.21, and C12.19
  • Supports UTS I command
  • Modem Ready kV required - indicated on upper
    nameplate

43
Call in on Power Outage
  • Optional capability to call during a power outage
  • Requires additional, larger battery
  • Programmable features to minimize battery use
  • Length of power outage before placing call
  • Minimum time between power outage calls
  • Separate Retry Algorithm Conserves CIO battery
  • Available option on Modem option board or RSX
    option board (in external modem mode)

44
RSX Option Board
  • Jumper selectable operation
  • RS-232
  • RS-485
  • External Modem
  • Enables faster communication speeds
  • Up to 9600 baud communications supported
  • Provides communication link to 3rd party AMR
    devices
  • Uses ANSI C12.18 PSEM standard communication
    protocol
  • Direct point-to-point communication using
    RS-232/485
  • Up to 50 feet away in RS-232 mode
  • Up to 3500 feet away in RS-485 mode

45
TOU Metering
  • Enable via a T switch, reprogram, add battery.
  • Four rate periods A, B, C, D ( non-TOU)
  • Three daily rate schedule types
  • One Holiday schedule
  • Four Seasons
  • Up to 80 set points may be defined.

46
TOU Metering (cont.)
  • Perpetual Dates Calendar
  • Non-Recurring Dates
  • Fixed Recurring Dates
  • Floating Recurring Dates
  • Define Dates as
  • Holidays,
  • Season Changes (w/ or w/o reset),
  • Season 1 assumed if no Season dates defined
  • Daylight Savings Time shifts,
  • Self Read (w/ or w/o reset),
  • Demand Reset
  • Up to 50 dates may be defined

47
Energy Quantities
  • Basic kWh values
  • Total (choose one)
  • delivered only
  • received only
  • delivered - received
  • delivered received
  • Real Time Pricing (RTP)
  • Last Reset
  • With K Switch, add (kvarh/kQh/kVAh)
  • Total, RTP, Last Reset
  • Total Distortion kVAh
  • TOU kWh values
  • Total
  • Rate A, B, C, D
  • Last Reset (total by rate)
  • Last Season ( )
  • With K Switch, add (kvarh/kQh/kVAh)
  • Total
  • Rate A, B, C, D
  • Last Reset (total by rate)
  • Last Season ( )

48
Demand Quantities
  • Basic Meter kW values
  • Maximum, Cumulative, Continuously Cumulative
  • Instantaneous
  • Previous Interval
  • RTP
  • Max., Cum., Cont. Cum.
  • Last Reset
  • Max., Cum.
  • RTP Max., Cum.
  • With K switch, add (kvar/kQ/kVA)
  • Max., Cum., Cont. Cum.
  • Instantaneous
  • Previous Interval
  • RTP
  • Max., Cum., Cont. Cum.
  • Last Reset
  • Max., Cum.
  • RTP Max., Cum.

49
TOU Demand Quantities
  • TOU Meter kW values
  • Max by TOU rate (A, B, C, D) ( Date/Time)
  • Cum. by TOU rate
  • Cont. Cum. by TOU rate
  • Instantaneous
  • Previous Interval
  • Last Season Max. ( Date/Time)
  • Last Season Max. by TOU rate
  • Last Season Cum. by TOU rate
  • Last Reset Max. ( Date/Time)
  • Last Reset Max. by rate
  • Last Reset Cum. by rate
  • With K switch, add (kvar/kQ/kVA)
  • Max by TOU rate (A, B, C, D) ( Date/Time)
  • Cum. by TOU rate
  • Cont. Cum. by TOU rate
  • Instantaneous
  • Previous Interval
  • Last Season Max. ( Date/Time)
  • Last Season Max. by TOU rate
  • Last Season Cum. by TOU rate
  • Last Reset Max. ( Date/Time)
  • Last Reset Max. by rate
  • Last Reset Cum. by rate

50
Circuit Design
Voltage Sensors
A/D Converter (DAP)
DSP
Micro Computer
LCD Display
  • Test Reset
  • Buttons
  • Display Switch

Current Sensors
Standard Tables PSEM
Control Bus
Battery
EEPROM
120 - 480V Power Supply
Function Option Board
I/O Option Board
  • 6 channel A/D continuously samples each sensor at
    2MHz. (512X over sampling, 23,400 samples per
    second)
  • Fundamental and harmonics available from DSP
  • Microcomputer has the power to do vector
    calculations
  • DSP passes numbers not pulses to microcomputer
    (no Kh)
  • Non-volatile data storage (EEPROM)
  • DC immune current sensors and wide range power
    supply
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