Fault Recorder with PMU

LogicLab? RTEMS-based fault recorder with PMU characteristics

Tecnical informations

General

• Standard 19" rack mount
• Height / Width / Depth: 6U or 9U / 19" / 31cm
• Operating temperature range: -10 ÷ +55°C
• Storage temperature range: -40 ÷ +85°C
• Relative Humidity: <95 %
• Atmospheric pressure: 70 ÷ 106 kPa
• Intrusion Protection: IP20
• System frequency: 50/60Hz

Power supply

• Power supply voltage (Vaux):
• Universal AC/DC power supply AC 88-264V 48-62Hz DC 88-350V
• Maximum power consumption: 40W
• Voltage dips and short interruptions Insensitive to 100% of Vaux for 50 ms (min) Insensitive to 50% of Vaux for 100ms (min)

Analog inputs

Hardware features

• Up to 32 analog inputs
• Screw fixing removable connector (standard)
• Spring-clamp connectors for high reliability wiring (optional)
• Analog to digital conversion: 24 bit
• One ADC per analog input
• Sigma-Delta ADC with sampling frequency up to 5.7 MHz
• PGA Amplifier for up to 5 different measuring range
• Voltage/current inputs configuration in factory configurable: 32V, 28V+4I, 24V+8I, 20V+12I, 16V+16I, 12V+20I, 8V+24I, 4V+28I, 32I
• Dielectric strength: 3000V DC (1 min)
• Sample rate (fs): up to 224 sample/period @16bit up to 144 sample/period @24bit
• Bandwidth (-3 dB): DC (0 Hz) ÷ 0.49·fs
• Flat bandwidth(±0,005 dB): DC (0 Hz) ÷ 0.45·fs
• Stop band attenuation: >100 dB (f>0.55·fs)
• Resolution: 16 or 24 bit
• SNR (Signal to noise ratio): >92 dB
• Cross-over: < -92 dB

Software features

• Feeder management and configuration
• Primary/secondary transformer side representation
• CT/CVT transformer ratio management
• Software signal reverse (±180° angle)
• User configurable Gain and Phase correction
• Analog input full scale configuration by software setup
• Up to 5 different full scale values for each channel
• Full-scale values in factory configurable up to Max Full-scale

Current analog inputs

• Rated current (In): 1Arms 5Arms
• Max Full-scale: up to 150Arms (Standard) up to 400Arms (-C Option)
• Standard full-scales (FSI): 15A, 30A, 50A, 150A
• Low amplitude DC input on client demand (i.e. ±20 mADC)
• Accuracy guaranteed range: 0,01?In ÷ 30?In (Standard) 0,01?In ÷ 80?In (-C Option)
• Accuracy (Standard): (0.1%*Reading + 0.005%*FSI)
• Accuracy (-C Option): (0.1%*Reading + 0.01%*FSI)
• Accuracy (Low DC input): (0.01%*Reading + 0.0005%*FSI)
• Overload capability: 40A permanently 500A (1 second)
• Input impedance: 3 mohm (Standard) 1,5 mohm (-C Option)
• Power dissipation max: 37,5 mVA @ In

Voltage analog inputs

• Max Full-scale: 700Vrms
• Standard full-scales (FSV): 100V, 200V, 700V
• Low amplitude DC input on client demand (i.e. ±10VDC)
• Accuracy guaranteed range: 50mVrms ÷ 100Vrms @ Pn=100Vrms 100mVrms ÷ 200Vrms @ Pn=200Vrms 0,35Vrms ÷ 700Vrms @ Pn=700Vrms
• Accuracy (Standard): (0.1%*Reading + 0.005%*FSV)
• Accuracy (Low DC input): (0.01%*Reading + 0.0005%*FSV)
• Input impedance: 1 Mohm
• Power dissipation: 160 mVA @ 400V

Digital inputs

• Up to 128 single channel isolated inputs
• In factory configurable voltage input limit
• Available input levels (Vi): 24V, 48V, 110V, 220V
• AC input capability on request
• Dielectric strength: 3000V DC (1 min)
• Thresholds (typ): High - 60% Vi Low - 40% Vi
• Maximum voltage (max): 1.2*Vi
• Time resolution: 1 ms
• Anti-bounce filter

Alarm outputs

• Optional alarms board with 8 relays
• Relay Technical Data
  • Rated carry current: 12A
  • Maximum switching voltage DC: 300V
  • Maximum switching voltage AC: 440V
  • Maximum switching current : 12A
  • Maximum switching power: 3000VA
  • Contact resistance (max): 100 mohm
  • Maximum operating frequency: 18000 operation/hour
  • Insulation resistance: 1000 Mohm
  • Dielectric strength (Coil to contacts): 5000VAC for 60s
  • Dielectric strength (open contacts): 1000VAC for 60s
  • Impulse withstand voltage (1,2x50 µs): 10kV
  • Minimum endurance: 20M operations

Communication and interfaces

• Three Ethernet ports:
  • Configurable as node of a net LAN/WAN
  • Front 10/100 BASE-TX with auto MDI/MDI-X
    • Connection RJ45 8/8
    • Isolation 1500VRMS
  • Rear 10/100 BASE-TX with auto MDI/MDI-X
    • Connection RJ45 8/8
    • Isolation 1500VRMS
  • Rear 100BASE-FX (Fiber optic with SC connector)
    • Transmitter Centre Wavelength: 850 nm
    • Operating Receiver Centre Wavelength: 770nm÷860nm
    • Sensitivity: -24 dBm
• 2 RS232
  • Front RS232
    • Plug Type DB9
    • Baud rate (Fixed) 19200 bit/s
    • Isolation 2500VRMS
  • Back RS232
    • Plug Type DB9
    • Baud rate 9600 bit/s to 115200 bit/s
    • Isolation NO
  • RS485 on client demand
• SMA connector for satellite antenna
• Multiple simultaneous connections over serial and Ethernet
• HMI with display and keypad (optional)
  • Alphanumeric display 4 rows x 20 columns
  • 2 red LEDs for alarms:
  • 14 green LEDs for information:
  • Full phone-like keypad and four arrow keys
  • Isolated and shielded membrane
  • 8kV electrostatic air discharge compliance (IEC 61000-4-2)

Architecture

• Multiprocessor architecture: 32 bit CPU + dual 3.6 GFLOPS DSPs
• Real Time Operating System RTEMS
• 256 Mbyte DDR RAM + 128 MByte SDRAM
• Up to 32 Gbyte Compact Flash card for storage data
• Self diagnostic with Watch Dog capability
• Anomaly log on Compact Flash
• User/password access with 5 different level of security

Time synchronization

• Integrated GPS unit
  • Channels: 22 tracking / 66 acquisition
  • Sensitivity:
    • Acquisition (cold): -148dBm
    • Re-Acquisition: -160dBm
    • Navigating/Tracking?: -165dBm
  • 1PPS accuracy: ±50ns
  • Active GPS antenna with 20m RF cable SMA connector
  • Optional active GPS antenna with up to 100m RF cable SMA connector
• IRIG-B synchronization board (optional):
  • Isolation 2500VRMS
  • Available connections:
    • AM IRIG-B IN Modulated
    • IRIG-B input
    • IRIG-B / 1PPS IN (Mux) Unmodulated IRIG-B input
    • 1PPS input
    • IRIG-B OUT Unmodulated IRIG-B output
    • 1PPS OUT 1PPS output
  • Voltage levels:
    • AM IRIG-B IN Max 15VPP
    • IRIG-B / 1PPS IN (Mux) 5V TTL
    • IRIG-B OUT 5V TTL
    • 1PPS OUT 5V TTL
    • 1PPS IN to 1PPS OUT max propagation delay <50ns
  • Unmodulated IRIG-B IN frame to 1PPS out delay <50ns
  • Modulated AM IRIG-B IN frame to 1PPS out delay <20µs
  • 1PPS signal: Normally low

:High for 8ms

• Supported IRIG-B Format
  • Default configuration: IRIG-B006
  • On client demand: IRIG-B00# / IRIG-B12#

Transient Analog Recording (TAR)

Transient analog waveforms and digital status recording

• Three timers user configurable
  • Pre-trigger time: 100 ms ÷ 5 s
  • Fault time: 100 ms ÷ 60 s
  • Post fault time: 100 ms ÷ 5 s
• Re-triggering during recording time available
• Record time out (max): 150 s
• Trigger on analog thresholds (Max, Min, Rate-Of-Change):
  • RMS
  • Positive, Negative and Zero sequence (I1,2,0,U1,2,0)
  • Power: P, Q, S, cos ?
  • Frequency
  • THD
• Trigger on digital edge (falling edge, rising edge, both edges)
• Software trigger
• Cross triggering capability for FR947 system

Transient Measures Recording (TMR)

Disturbance slow recording

• Three timers and data period configurable
  • Pre-trigger time: 100 ms ÷ 60 s
  • Fault time: 100 ms ÷ 7200 s
  • Post fault time: 100 ms ÷ 5 s
  • Data period: 10 ms ÷ 1 s
• Configurable stored data packet (Measures and feeders)
• Synchronized measure storage capability
• Trigger on TAR

Slow Measure Recording (SMR)

Disturbance and trend slow recording

• Four different configurable SMR
• Single parameter set for each SMR (4 different configuration available)
• Fault timer and data period configurable
• Fault time: up to 365 d : 23 h : 59 m or 2GB max
• Data period: 10 ms ÷ 600 s
• Configurable stored data packet (Measures and feeders)
• Configurable intermediate backup
• Configurable measure stored: average/instantaneous
• Configurable as continuous slow recording
• Trigger on analog thresholds (Max, in, Rate-Of-Change):
  • RMS
  • Positive, Negative and Zero sequence (I1,2,0,U1,2,0)
  • Power: P, Q, S, cos ?
  • Frequency
  • THD
• Trigger on digital edge (falling edge, rising edge, both edges)
• Time scheduled trigger
• Software trigger
• Synchronized measure storage capability

Synchrophasor (PMU) Optional Pack

• Compliant to IEEE C37.118
• Total vector error: <1%
• Frequency accuracy: 0.3 mHz
• Phase accuracy: 0.01°
• Data transfer rate (frame/s): 10,25,50 @50Hz 10,12,15,20,30,60 @60Hz
• Synchronization error between different channels: <300ns
• Maximum error on synchronization time: <4µs

=Power Quality Optional Pack =

• Voltage and frequency profiles
• Voltage dips and surges
• Harmonic components
• Flicker analysis
• Voltage and Current imbalance

==Standards and specifications compliance==

• IEC 61000 – 4 – 2 (Level 3)
• IEC 61000 – 4 – 3 (Level 3)
• IEC 61000 – 4 – 4 (Level 3)
• IEC 61000 – 4 – 5 (Level 4)
• IEC 61000 – 4 – 6 (Level 3)
• IEC 61000 – 4 – 8 (Level 5)
• IEC 61000 – 4 – 10 (Level 3)
• IEC 61000 – 4 – 12 (Level 3)
• IEC 61000 – 4 – 16 (Level 4)
• IEC 61000 – 4 – 17 (Level 3)
• IEC 61000 – 4 – 29 (Level 3)
• IEC 60529 (IP20)
• COMTRADE standard IEEE Std C37.111
• Optional protocols:
  • Communication networks and systems in substations IEC 61850
  • Telecontrol equipment and systems protocol IEC 60870-5-104