wiki:TBR/UserApp/Automatic_Load_Shed

Version 2 (modified by Logiclab, on Jan 19, 2009 at 3:45:05 PM) (diff)

Automatic Load Shed

LogicLab? RTEMS-base Automatic Load Shed

Hardware technical data

Power Supply

Power supply voltage: 110V DC ± 20%

  • Medium power: 20W
  • Voltage dips and short interruptions Insensitive to 100% of Vaux for 50 ms (min) Insensitive to 50% of Vaux for 100ms (min)

Dimensions

  • Height: 3U
  • Width: 19”
  • Depth: 34cm

Voltage inputs

  • 4 isolated voltage input channels
    • 6 inputs on 3 voltage channels with fullscale 100V (M2)
    • 1 inputs on 1 voltage channel with fullscale 400V (M1)
  • Dielectric strength 3000V DC (1 min)
  • Rated Voltage (Vn) M1: 57Vrms 100Vrms 400Vrms
  • Rated Voltage (Vn) M2: 57Vrms 100Vrms
  • Operating range: 0.01 ÷ 1.6 Vn
  • Rated voltage selection (Vn): software
  • Frequency Range: 10 ÷ 130 Hz
  • Permanent overload capability: 1.5 Vn
  • Transient overload capability - not measurable(<10s): 2Vn
  • Power dissipation: <1VA @Vn = 400V <0,1VA @Vn = 100V
  • Accuracy:
    • RMS value: ±0,001 Vn
    • Voltage rate: ±0,002 Vn/S
    • Frequency: ±0,002 Hz @ Vn
    • 0,01 Hz @ V>0,3VnVn
    • 0,02 Hz @ V<0,3Vn
    • Frequency rate: ±0,002 Hz/s

Alarms (digital outputs)

  • 15 Relays
    • Out of order
    • 81/81R Threshold 1
    • 81/81R Threshold 2
    • 81/81R Threshold 3
    • 81/81R Threshold 4
    • 27/59/27R Threshold 1
    • 27/59/27R Threshold 2
    • Stop threshold Min/Max? voltage and/or voltage imbalance
    • Stop threshold maximum frequency difference
    • 27/59/27R/81/81R Threshold 1
    • 27/59/27R/81/81R Threshold 2
    • 81/81R Threshold 3 and/or 4
    • General alarm
    • Relay available on connector C1
    • Relay available on connector C2
  • Dielectric strength 3300V DC (1 min)
  • Rated voltage: 110V
  • Rated current: 5A
  • Maximum Switching Capacity (L/R=40ms): 0,5A @110V
  • Endurance (mechanical): ?10e7

Digital inputs

  • 2 isolated inputs
    • Input signal close status HV switch (Red line)
    • Input signal close status HV switch (Green line)
  • Dielectric strength 33000V DC (1 min)
  • Threshold voltage: 60V ± 10%
  • Input Voltage (max): 140V
  • Time resolution: 1 ms

Current outputs

  • 4 current loop transmitters
  • Dielectric strength 33000V DC (1 min)
  • Current range: 4-20mA or ±5mA software selectable
  • Accuracy: <0,5%
  • Transient: <200ms
  • Maximum load:
    • <2K? @ ±5mA
    • <1K? @ 4÷20mA

Communication

  • HMI with 4 lines display and keypad
  • 16 LED
  • Local and remote interface
  • Ethernet 10/100 BASE-TX with auto MDI/MDI-X
  • Ethernet 100BASE-FX (SC) - optical link
  • Configurable as knot of a net LAN/WAN
  • 1 RS232 front side (19.200 baud fixed)
  • 1 RS232 back side (up to 115.200 baud)
  • Remote connection with analog modem (not included)
  • Isolated comunication port (Ethernet: 1500Vrms – Serials: 2500 Vrms)
  • Field connection with 50 pins rectangular connectors

Customizing

  • Power Supply with different input voltage
  • Different full-scales on voltage inputs on client demand
  • Up to 6 digital inputs available for custom application
  • 24V digital input with threshold 18V ± 10%
  • Custom range for current outputs
  • HMI multi functions
  • Additional Ethernet port 10/100BASE-TX backside
  • ST connector for ethernet 100BASE-FX optical link
  • Configuration parameters and thresholds are modifiable at the request within the limits of the device
  • Integrated WebServer? for parameterization with Internet Browser
  • FTPserver for record download
  • Different range for recording time
  • AC digital input
  • Optional relay outputs
  • Different logical assignments to alarm

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)
  • ENEL DV938
  • ENEL REMC01
  • ENEL REMC02
  • ENEL RMEC01
  • ENEL RCLI01
  • CEI 45-5
  • CEI 70-1 IP30 (front) IP20 (case)
  • COMTRADE standard IEEE Std C37.111-1991

Software technical data

Parameterization and device management software - SpyEAC

  • Communication interface selection (RS232, UDP, TCP, modem setup)
  • Software access configuration and folder management
  • Voltage input full scales setup
  • Device, Substation, voltage input labelling
  • Full TCP/IP Ethernet configuration parameters
  • Backside RS232 throughput configuration
  • Operating mode selection (M1/M2)
  • Trip and stop protection threshold setup
  • Output current setup
  • Digital input, relay output, protection status
  • Recording time setup (Pre-trigger time, fault time, post-fault time)
  • Memory configuration setup (circular buffer or full-fill buffer)
  • Recording extension setup (disable, on fault time, on post-fault time)
  • Self-diagnostic device state
  • Reset and trigger command from PC
  • Realtime viewing tools (analog and measure waveform, rms measure, statistic)
  • Automatic download scheduler
  • Firmware update wizard
  • Recording management (Id, Date and time, Length, Trigger condition with user label)
  • Easy-To-Use Recording management (single, selected, all recordings)
  • Device parameterization file management tools (off-line editing, default file, download file)
  • Threshold M1 mode
    • Trip threshold - frequency (ANSI 81)

::Threshold available: 4 ::Range: 45÷55Hz @50Hz rated frequency - 55÷65Hz @60Hz rated frequency ::Step: 50mHz ::Enable: included/excluded ::Periods of measurement: 4÷16 ::Periods selection: software ::Trip delay time: ?100ms ::User trip delay time: 0,1÷60s ::Step: 50ms

  • Trip threshold - Frequency rate (ANSI 81R)

::Threshold available: 4 ::Range: -5Hz/s ÷ +5Hz/s ::Step: 100mHz/s ::Logical operator with 81: AND/OR ::Enable: included/excluded ::Periods of measurement: 4÷16 ::Periods selection: software ::Trip delay time: ?250ms ::User trip delay time: 0,1÷60s ::Step: 50ms

::Threshold available: 3 ::Range: 0,1÷1,4Vn ::Step: 0,01Vn ::Enable: included/excluded ::Min/Max? selection: software ::Stop delay time: ?50ms ::User hold time: 0,1÷60s ::Step: 50ms

  • Threshold M2 mode
    • Trip threshold - frequency (ANSI 81)

::Threshold available: 4 ::Range: 45÷55Hz @50Hz rated frequency - 55÷65Hz @60Hz rated frequency ::Step: 50mHz ::Enable: included/excluded ::Periods of measurement: 4÷16 ::Periods selection: software ::Trip delay time: ?100ms ::User trip delay time: 0,1÷60s ::Step: 50ms

  • Trip threshold - Frequency rate (ANSI 81R)

::Threshold available: 4 ::Range: -5Hz/s ÷ +5Hz/s ::Step: 100mHz/s ::Logical operator with 81: AND/OR ::Enable: included/excluded ::Periods of measurement: 4÷16 ::Periods selection: software ::Trip delay time: ?250ms ::User trip delay time: 0,1÷60s ::Step: 50ms

  • Trip threshold - Voltage (ANSI 27/59)

::Threshold available: 2 ::Range: 0,5÷1Vn ::Step: 0,01Vn ::Enable: included/excluded ::Trip delay time: ?50ms ::User trip delay time: 0,1÷60s ::Step: 50ms

  • Trip threshold - Voltage rate (ANSI 27R)

::Threshold available: 2 ::Range: -0,2V/s ÷ +0,2V/s ::Step: 0,0005Vn/s ::Logical operator with 27: AND/OR ::Enable: included/excluded ::Time of measurement: 80÷200ms ::Time setup: software ::Trip delay time: ?120ms ::User trip delay time: 0,1÷60s ::Step: 50ms

::Threshold available: 3 ::Range: 0,1÷1,4Vn ::Step: 0,01Vn ::Enable: included/excluded ::Min/Max? selection: software ::Stop delay time: ?50ms ::User hold time: 0,1÷60s ::Step: 50ms

  • Stop threshold - Voltage imbalance

:::? = max[(V4 – ?), (V8 – ?), (V12 – ?)] / ? :::with ? = (V4 + V8 + V12) / 3 ::Threshold available: 1 ::Range: 0,05÷1 ::Step: 0,05 ::Enable: included/excluded ::Stop delay time: ?50ms ::User hold time: 0,1÷60s ::Step: 50ms

  • Stop threshold - Maximum frequency difference

:::? = max[(fV4 – fV8), (fV8 – fV12), (fV12 – fV4)] ::Threshold available: 1 ::Range: 10÷100mHz

Step: 10mHz

Enable: inclusa/esclusa

Stop delay time: ?100ms

User hold time: 0,1÷60s

Step: 50ms

Recordings analysis software

LogOscilloEAC

Waveform selection wizard with colours assignment

Automatic selection filters for analog and digital inputs

Decimation value for waveform preview

Dual time cursor

Time and amplitude value in time cursor position

Cursor time difference

Time and amplitude value in mouse cursor position

Windows and vertical zoom tool

Drag-and-Drop capability for waveform overlapping

Signal processing and rms waveform visualization

Signal processing and true rms waveform visualization

Signal processing and spectrum visualization

Spectrum analysis with THD

Waveform export tool for image (JPG, BMP, MetaFile?, PCX, PostScript?, SVG)

Waveform export tool for Acrobat Reader (pdf)

Samples waveform export tool for Excel