Description

Feeder Protection Relay for Primary and Secondary Distribution

Fanox SIL-A Relay has been designed for overcurrent and earth fault protection. It takes a step forward in line protection, providing advanced communications and more protection functions such as auto-recloser.

Moreover, the ability to choose between standard /1 A or /5 A CTs easily by software, combined with more sensitive measurements, provides the flexibility and reliability you need for complete line protection.

Technical Sheet

EN_FANOXTD_DATA_SIL_OCPrimaryDist_SILA-B-C_R07.pdf
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    Features

    SIL-A Models B / C
    Overcurrent & Earth Fault Protection Relay

    • The SIL-A is an overcurrent and earth fault protection relay for primary and secondary distribution with an auxiliary power supply 24-230 Vac/dc.
    • The current measurement is obtained either by standard current transformers /1 or /5, or by special Low Power Current Transformers (LPCT).
    • Many protection functions: 50_1, 50/51, 50N/G_1, 50/51N/G, 52, 46, 79, 74TCS, CLP, 86, 49T and optionally 50_2, 50N/G_2, 49, 74CT, 37, 46BC, 50BF, TB and SHB (Second Harmonic Blocking)
    • Metallic box with high electromagnetic compatibility level (EMC) and a wide range of operating temperatures.
    • Direct signaling/control of the circuit breaker (52 function) and the recloser (79 function).
    • Zone selection interlocking (68 function) is available through configurable inputs and outputs thanks to the programmable logic (PGC).
    • Relays are provided with a local RS232 front port and with remote communication with different options (ports and protocols) on the rear side to allow the communication:
      • 1 RS485 Port: IEC60870-5-103, Modbus RTU or DNP3.0 Serial (selectable by general settings).
      • 1 RJ45 Port: IEC61850, Modbus TCP/IP, DNP3.0 TCP/IP or IEC60870-5-104 (selectable by general settings).
    • The SIL-A has configurable and dedicated inputs and outputs, depending on adaptation:
      • Adaptation “B”: 6 configurable Digital Inputs and 4 configurable Digital Outputs.
      • Adaptation “C”: 4 configurable Digital Inputs, 2 dedicated Digital Inputs, and 4 configurable Digital Outputs.
    • SIL-A is fitted with the demand of current (Load Data Profiling) with the following characteristics:
      • Number of records: 168.
      • Recording mode circular.
      • Sampling rate (interval): configurable through communications (1-60 min).
    • SIL-A is provided with non-volatile RAM memory to store up to 200 events and disturbance fault recording (DFR – 20 fault reports and 5 oscillographic records in COMTRADE format), maintaining date & time thanks to its internal RTC (Real Time Clock).
    • The oscillography is downloaded by a communications port. The SICom communications program allows the oscillography record to be downloaded and saved in COMTRADE format (IEEE C37.111-1991).

    Ansi Protection Functions

    SIL-A (B/C)

    ​50 instantaneous phase overcurrent

    51 Inverse time phase overcurrent

    51N Inverse time calculated neutral overcurrent

    49T External Trip

    51G Inverse time measured neutral overcurrent

    50N Instantaneous calculated neutral overcurrent

    50G Instantaneous measured neutral overcurrent

    46 Phase balance current protection

    46BC Broken conductor detection

    37 Instantaneous phase undercurrent

    49 Thermal overload

    SHB Second-harmonic blocking

    CLP Cold Load Pick-up

    79 AC Reclosing device

    52 Breaker wear monitoring

    50BF Circuit breaker failure

    74TCS Trip circuit supervision

    74CT Phase CT supervision

    86 Trip output

    68 Zone Selection Interlocking

    PGC Programmable logic

    TB Trip Block for switch disconnector

    Software

    Communication Software for SIA & SIL protection relays

    The SICom PC software has been designed and programmed to gain access to all of Fanox relays information, to modify the settings and configuration, check states and measurements and to analyse and save events and fault reports using a graphic-friendly user interface.

    SICom software works with the Windows® Windows 7, Windows 8, Windows 8.1 and Windows 10 operating system.

    • General data reading: Complete model, Version, Serial number, etc.
    • States reading
    • Measurements reading
    • Reading and changing settings
    • Reading and changing configuration
    • Reading and deleting events
    • Reading and deleting fault reports
    • Reading and deleting demand current (load data profiling)
    • Reading and saving oscillographic records in Comtrade format
    • Changing the user passwords
    • Saving and Loading settings files
    • Saving and Loading configuration files
    • Saving events and fault reports
    • Saving demand current (load data profiling)
    • Date-time synchronization
    • Configuring the communication parameters
    • Reading and changing counters
    • Commands for opening and closing the circuit breaker and block/unblock the recloser
    • Configuration of the inputs
    • Configuration of the outputs
    • Configuration of the causes that start a Fault Report

    The update of the software does not require any user´s action, this is, if the computer is connected to Internet, SICom updates itself when it is started.
    It will allow you to prepare all the settings and relay configurations without having the relay connected to the PC (offline mode), reducing engineering and commissioning time.
    SICom program uses Modbus protocol, so only the ports with this protocol can be used to establish the communication.

    Application

    Comparison Table

    SIL RANGESIL-DSIL-ASIL-BSIL-GSIL-VSIL G ADVANCED
    TypeOC & EF FOR PRIMARY DISTRIBUTIONOC & EF FOR PRIMARY DISTRIBUTIONFEEDER PROTECTIONGENERATOR PROTECTIONGENERATOR PROTECTIONFEEDER AND GENERATOR PROTECTION
    Auxiliary Supply24-220 Vdc/48-230 Vac24-220 Vdc/48-230 Vac24–48Vdc
    90-300Vdc/110-230Vac    		24–48Vdc
    90-300Vdc/110-230Vac    		24-220 Vdc/48-230 Vac24-220 Vdc/48-230 Vac
    Self-powered through the VTs
    Consumption3,3 – 4,5 W3,3 – 4,5 W3,3 – 5,5 W3,3 – 5,5 W3,3 – 5,5 W
    Current measurementStandard CT 0,5VAStandard CT 0,5VAStandard CT 0,5VAStandard CT 0,5VAStandard CT 0,5VA
    LPCT√
    Voltage measurementVTVTVT or directly from the lineVT or Directly from the line
    VT connection typeAdjustableAdjustable
    5022222
    50N/G22222
    50/5111
    50/51N/G1
    67NI2
    50/51/67N2224
    50/51/67224
    52111111
    BF111111
    491111
    49T11111
    79111111
    461111
    CLP11111
    74TCS111111
    Trip Block11
    68 (Trip Bus)11
    86√√√√√√
    46BC√1
    74CT1
    Programmable LogicV3V3V1V1V3V3
    371221
    592222
    59N2222
    4711
    272222
    27V111
    32/40444
    81U/O4444
    25111Optional
    81R424
    78211
    IRIG-B√√Optional
    Counters√√√√√√
    Commands√√√√√√
    Sett. Group443334
    Inputs668868 / 16 / 24 / 8 + 4 AFD
    Outputs2 NO + 2 NC – NO2 NO + 2 NC – NO2 NC – NO + 5 NO2 NC – NO + 5 NO2 NO + 2 NC – NO7 / 11 / 18 / 7 + 4 HS-O
    LEDs8 configurable8 configurable6 configurable6 configurable8 configurable11 configurable
    HMI20X2 LCD + 7 keys20X2 LCD + 7 keys20X2 LCD + 7 keys20X2 LCD + 7 keys20X2 LCD + 7 keys20X4 LCD + 13 keys
    52 & 79 HMI2 led’s + 3 keys2 led’s + 3 keys2 led’s + 3 keys2 led’s + 3 keys2 led’s + 3 keys2 led’s + 4 keys
    Event200200100010002003072
    Fault Report2020202020Up to 100
    Oscillography5 records x 100 cycles5 records x 100 cycles2 records x 138 cycles2 records x 138 cycles5 records x 88 cycles100 records x 1500 cycles
    Current demand√√
    Local Port (frontal)RS232RS232USBUSBRS232USB
    Remote Port (rear)RS485 or EthernetRS485 or EthernetRS485 + RS485
    Ethernet + RS485    		RS485 + RS485
    Ethernet + RS485    		RS485 or EthernetRS485 or Ethernet or Fiber Optic
    Communications ProtocolsModBus RTU
    IEC60870-5-103
    IEC60870-5-104
    DNP3.0 (TCP/IP)
    IEC61850    		ModBus RTU
    IEC60870-5-103
    IEC60870-5-104
    DNP3.0 (TCP/IP)
    IEC61850    		ModBus RTU
    IEC60870-5-103
    IEC60870-5-104
    DNP3.0 (TCP/IP)
    IEC61850    		ModBus RTU
    IEC60870-5-103
    IEC60870-5-104
    DNP3.0 (TCP/IP)
    IEC61850    		ModBus RTU
    IEC60870-5-103
    IEC60870-5-104
    DNP3.0 (TCP/IP)
    IEC61850    		Modbus RTU
    DNP3.0 Serial
    IEC 60870-5-103
    Modbus TCP/IP
    DNP3.0 TCP/IP
    IEC 61850
    Size of177 x 107 mm177 x 107 mm241,31 x 177,80 mm241,31 x 177,80 mm177 x 107 mm198 x 187 mm

    Related Products

    SIL-A ADVANCED FEEDER PROTECTION RELAY

    The SIL-A is an EFFICIENT, ADVANCED, and RELIABLE Feeder Protection Relay with Overcurrent and Earth fault Protection for Primary and Secondary Distribution.

    Fanox has used the latest hardware technology to develop SIL-A Advanced, and it is available in several models according to customer requirements and installation needs.

    SIL-A has a design that requires less equipment and space, reducing operating costs and maintenance. The optimal design makes the useful life of the device longer and enhanced safety by reducing hazards

    Ansi Code Functions​

    50, 51, 51N, 51G, 50N, 50G, S0FT, 46, 46BC, 37, 49, SHB, CLP,
    79 AC, 52, 50BF, 74TCS, 60CT, 86, 68, PGC, TB

    SIL-D DIRECTIONAL PROTECTION RELAY

    Fanox SIL-D brings you all features in our SIL-A relays, adding the highly requested Neutral Directional protection function for even wider protection.

    Therefore, SIL-D is designed for overcurrent and earth fault protection to take a step forward in line protection, providing advanced communications and more protection functions such as auto-recloser.

    Most noteworthy like SIL-A, the ability to easily choose between standard /1 or /5 CTs by software combined with more sensitive measurements provides you the flexibility and reliability you need for complete line protection.

    Ansi Code Functions

    50, 51,  49T, 50N, 67N, 67N, CLP, 79, 52, 50BF, 74TCS, 86, TB, 59N, 67NI