Model 1133A Power Sentinel™
Model 1133A Power Sentinel™
A leader in synchrophasor measurement and analysis, Model 1133A Power Sentinel™ merges precision time synchronization and power measurement features into a single PMU compatible device.
Model 1133A User Manual
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Model 1133A Power Sentinel™ Data Sheet
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Model 1133A Power Sentinel™ Data Sheet Espanol
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Bridging the gap between Precision Timing and Power Quality Measurement, Model 1133A Power Sentinel™ delivers practically unlimited functionality to the electric power professional. Compliant with IEEE C37.118, Model 1133A is a rack mountable Phasor Measurement Unit (PMU) compatible device featuring the highest accuracy possible.
Functionally, the unit provides exceptional support for synchronized timing applications enabling Model 1133A to take a leadership role in synchrophasor measurement and analysis. Measure system phase angle, monitor power quality, derive frequency and time deviations and tackle revenue metering challenges from a single unit. The advanced technology, featuring Arbiter's proprietary EnergyDSA™ Digital Signal Analysis technology makes all of this - and more - possible.
- IEEE C37.118 compatible PMU device
- Synchronized via internal GPS Satellite receiver
- Market leading synchrophasor support
- Revenue Accuracy: 0.025%
- Power Quality: Harmonics, Flicker, Interruptions
- Phasor Measurements for Stability & Flow Analysis
- System Time & Frequency Deviation
- Internal Data/Event Logging
- Two Year Warranty
Input/Output
Configuration
| 3Ø: | 3-element, 2½-element, 2-element, selectable |
| 1Ø: | 2-element, 1½-element, and 1-element, selectable |
Voltage
| Range (3Ø/1Ø) | 0 to 69, 120, 240, or 480 Vrms, selectable (phase-to-phase for 2 element; phase-to-neutral for 2½ and 3 element) |
| Overrange | 88, 175, 350 or 700 Vrms, nominal |
Current
| Range (3Ø/1Ø) | 2.5, 5, 10 or 20 Arms, selectable, per element |
| Overrange | 2.9, 5.9, 11.7, or 23.5 Arms, nominal (maximum continuous input current: 20 Arms per element) |
VA, W, VAR
| Range | Product of rated voltage and current ranges and number of elements (2½ (3Ø) and 1½ (1Ø) element, use 3 and 1, respectively) |
Compensation
| CT and PT | Both magnitude and phase compensation, CT with 12 point nonlinear interpolation |
| Transformer | Both iron and copper compensation |
Frequency
| Range | 45 to 65 Hz, for specified accuracy |
| Harmonics | To 3 kHz |
Inputs
| Insulation | 400 volts, nominal, to neutral/chassis, surge voltage class III Contact Technical Support for more detailed information |
| Connections | Removable screw-clamp terminal block, accepting 0.2 to 4 mm2 (AWG 24 to 10) solid or stranded conductors |
Power Quality
Harmonics Measurement
| Standard | Per IEC 6000-4-7, 100 ms overlapping data window |
| Measurements | THD, K-factor, rms harmonic current and voltage, rms harmonic current and voltage with K-factor compensation (each harmonic magnitude is multiplied by the square of the harmonic number before summing), individual magnitude and phase |
| Logged Data | Selectable, may be regularly logged or registered; or event-logged when user-specified limits are exceeded |
Interruptions Logged Data
Selectable, may be regularly logged or registered; or event-logged when user-specified limits are exceeded
Flicker
| Standard | Per IEC 61000-4-15, Pst and Instantaneous |
| Logged Data | Selectable, may be regularly logged or registered; or event-logged when user-specified limits are exceeded |
Limit Alarms
| Functions | Upper or lower limits may be set on most measured functions. Limits may also be set on maximum imbalance |
| Output | Via system interface and display or contact closure |
Accuracy/Specifications
Accuracy Note
Note: Accuracy specifications include all sources of uncertainty. Except as noted, specifications apply for the full operating range, including temperature (-10° to +50° C), line voltage, input range including specified overrange, power factor, input frequency, and drifts over a one-year calibration interval. Specifications assume synchronization to GPS and operation in 3-element mode or in a well-balanced system where imbalance does not degrade accuracy.
Watts
0.025% of reading, 10% of range or greater and PF > 0.2
0.005% of VA for PF < 0.2
Underrange
0.0025% of range, below 10% of range
Vrms
0.02% of reading or 0.002% range, whichever is greater
Arms
0.03% of reading or 0.003% range, whichever is greater
V2h
0.04% of reading or 0.004% range, whichever is greater
A2h
0.06% of reading or 0.006% range, whichever is greater
Phase Angle, Ø
0.01°, phase-to-phase or voltage-to-current, 10% of range minimum
VA, VAh
Same as W, Wh except no PF effect
VAR, VARh
Same as W, Wh except replace PF with (1 - PF2)0.5
Power Factor
0.0002 · sin (Ø), 10% of range minimum
Harmonics
0.05% THD or 5% of reading, whichever is greater
Frequency
< 1 ppm (0.0001%) of reading, 50 or 60 Hz nominal, plus timebase error
System
| Phase | 0.03° plus [timebase error · 360° · frequency] |
| Time | 1 µs plus timebase error |
Event Inputs
±10 µs (typical)
Flash Memory Data Storage
Host Processor
| Capacity | 16 megabytes standard (32 MB optional); number of records stored depends on data items selected. See Operation Manual for record length and capacity calculations |
| Data | Selectable from all functions measured and totalized by the Model 1133A; each record is stored with a time tag |
| Storage Rate | Selectable; default is 15 minutes. Other intervals as short as one minute may be selected. Event data stored upon occurrence. |
| Lifetime | 100,000 storage cycles minimum |
| Data Retention | Indefinite; no power or battery is required to retain data |
System Control and Monitoring
System Time, Phase and Frequency
| System Time | Unlimited accumulation with ±1 µs resolution |
| Frequency | 7 digits, xx.xxxxx Hz |
| System Phase | 0 to 360° with 0.01° resolution |
| Effect of DC & Harmonics | None; Rejected by narrow band digital filtering |
Phasors
| Standard | Per IEEE Standard 1344 or PSCSV |
| Rate | Selectable: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 measurements/second for 60 Hz or 1, 2, 5, 10, 25, 50 measurements/second for 50 Hz. Including df/dt. |
Interface
Operator
| Status LEDs | Operate (green), Time Set (green), Alarm (red), Fault (red) |
| Display | 2 x 20 character LCD display |
| Keyboard | 8 key for status and setup |
Communications
| Serial Port 1 | RJ-11 modular connector |
| Serial Port 2 | RJ-11 modular connector |
| Ethernet Connector | One RJ-45 modular connector |
Protocols
| Proprietary | PowerSentinelCSV (PSCSV) |
| Standard | DNP3.0, MODBUS, PQ-DIF, C37.118 |
Programmable Contact Outputs
| Type and Number | Form C (SPDT), four (4) sets |
| Connections | Pluggable 12-pole 5 mm terminal strip, with four, 3-pole mating connectors included |
| Rating | 250 Vac/125 Vdc, 8 A maximum, 2000 VA/150 W maximum |
| Isolation | 4000 Vrms for 1 minute to chassis |
| Functions, Selectable | Programmable Load Control, with preset times or via system interface |
Event Inputs
| Type and Number | Four, optically-isolated 24 to 240 Vdc (may be configured for 5 volt logic level) |
| Connections | Pluggable 8-pole 5 mm terminal strip, with four, 2 pole mating connectors |
| Isolation | 4000 Vrms for 1 minute to chassis |
| Resolution | 1 µs |
Synchronization
General/Remote
| GPS Tracking | GPS-L1 (1575.42 MHz); 8 channel (tracks up to 8 satellites) |
| GPS Acquisition | 2 minutes typical |
| GPS Accuracy | UTC-USNO ±1 µs (only need 1 satellite with correct position) |
| GPS Out of Lock | Via system interface and status |
Timebase Error
| GPS Locked | Less than 1 µs, when locked to at least one satellite with correct position |
| Unlocked | 10 ppm, typical, after being locked for 10 minutes minimum (< 1 second/day unlocked, typical) |
Antenna
| Mounting | 0.75 inch NPT pipe thread (1 inch - 14 marine type) mount |
| Dimensions | 77.5 dia. x 66.2 mm (3.05 x 2.61 inch) |
| Weight | 170g (6.0 oz.) |
| Connections | F-type |
| Cable | 15 m (50 ft) included; longer cables optionally available |
Synchronization Options Type
One; IRIG-B000 or IRIG-B003 per IEEE Std. 1344 (unmodulated or level-shift); 200 mA peak; pluggable 5 mm terminal strip with mating connector, two-pole
General
Physical
| Size | 1 RU (430 mm W x 44 mm H) rack mount or tabletop; 260 mm deep FMS. Rack mounts included. |
| Weight | 2 kg (4.5 lbs), net |
Environmental
| Temperature | Operating: -10° to +50° C |
| Humidity | Noncondensing |
Power Requirements
External Power
| Input | Terminal strip with fuse; surge withstand per ANSI C37-90.1 and IEC801-4 standard |
Standard
| Voltage | 85 to 264 Vac, 47 to 63 Hz or 120 to 275 Vdc, 5 VA typical |
Certificates and Approvals
- Compliance to IEC-687 International Standard for Alternating Current Static Watthour Meter for Active Energy
- Compliance to IEEE C37.118 Standard for Synchrophasors for Power Systems
- Certificate of Conformance to NIST
- CE mark/label and certificate
| Description | |
|---|---|
| 1133Aopt01 | 16MB Internal Data Memory |
| I/O | |
| 1133Aopt07 | IRIG-B input: Replaces GPS receiver (1133A) |
| 1133Aopt10 | RS-232 (Port 1 - 1133A) |
| 1133Aopt11 | RS-422/485 half-duplex (Port 1 - 1133A) |
| 1133Aopt12 | Modem (V.34bis, 33.6k) (Port 1 - 1133A) |
| 1133Aopt20 | RS-232 (Port 2 - 1133A) |
| 1133Aopt21 | RS-422/485 half-duplex (Port 2 - 1133A) |
| 1133Aopt22 | Modem (V.34bis, 33.6k) (Port 2 - 1133A) |
| General | |
| 1133Aopt02 | 32 MB memory |
| 1133Aopt05 | Mechanical output relays |
| 1133Aopt06 | Solid-State output relays (KYZ) |
| Power (select only one) | |
| 1133Aopt03 | 85 to 250 Vac RMS, 110 to 350 Vdc Terminal Power Strip and Surge Withstand, |
| 1133Aopt04 | 10 to 60 Vdc Terminal Power Strip and Surge Withstand, |
| Included | |
|---|---|
| AP0007700 1 | Modular DB9 to RJ11 Adapter, Preconfigured |
| AS0028200 | Rack Mount Kit |
| AS0058400 | Operation Manual (1133) |
| AS0087800 | Arbiter Universal GPS Antenna |
| CA0021315 | 15 m (50 ft) RG-6 Antenna Cable |
| CN0019202 | Mating Connectors, 2-pole, 5 mm (5 ea.) |
| CN0019303 | Mating Connectors, 3-pole, 5 mm (4 ea.) |
| CN0030004 | Mating Connector, Voltage Input |
| CN0030006 | Mating Connector, Current Input |
| Available | |
| AS0044600 | GPS Antenna Mounting Kit |
| AS0044700 2 | 21 dB In-Line Pre-amplifier Adds a minimum of 21 dB of gain at the GPS L1 frequency (1.575 GHz), when used with Arbiter Systems GPS-Controlled
Clocks. |
| AS0044800 | RG-11 Crimp Tool + 25 F-type Connectors |
| AS0048900 | Antenna Grounding Block Kit |
| AS0049000 | GPS Surge Protector Kit |
| AS0062000 | High Interference GPS Antenna and Mounting Adapter Kit |
| AS0085000 | 1133A Current/Voltage Input Ring Terminal Adapter |
| AS0085100 | 1133A Current/Voltage Input Ring Terminal Adapter with EMI/RFI Shielding |
| CA0021330 | 30 m (100 ft) RG-6 Antenna Cable |
| CA0021345 | 45 m (150 ft) RG-6 Antenna Cable |
| CA0021360 | 60 m (200 ft) RG-6 Antenna Cable |
| CA0021375 | 75 m (250 ft) RG-6 Antenna Cable |
| TF0006400 | RG-6 Crimp Tool |
| WC0004900 | 300 m (1000 ft) Roll RG-11 Cable |
1 Included with opt32 and opt33
2 Used for cable length greater than 75m (250ft)
What is Accuracy?
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Accurate CT Calibration for the Model 1133A
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Convention for Energy and Sequence Components
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Direction of Harmonics and Flicker
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Model 1133A Definitions of Energy Flow
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Model 1133A: Extended Calibration Interval
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Model 1133A Phasor Measurement Specifications
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Model 1133A Power Sentinel™ Functional Description, Espanol
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Model 1133A Power Sentinel™ Functional Description
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Model 1133A - PSCSV Software Tutorial
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Model 1133A Quick Setup Guide
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Synchronizing End-to-End Relay Testing with the Model 1088B Satellite-Controlled Clock
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Triggering in the Model 1133A Power Sentinel™ DSP
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What is Absolute Phase Angle?
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AEP-IEC 687 Certification Tests for Model 1133A
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Comparative Testing of Synchronized Phasor Measurement Units
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