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1003-1.1003-2.1003-3.1003-4.1003-5.1003-6.1003-7.1003-8.1003-9.1003-10.1003-11.1003-12.

SPECIFICATION NO. 1003FAULT RECORDING SYSTEM

Fault Recording SystemCabinetTerminals and WiringFault RecorderFront PanelPower SupplyLocal UPSLocal Controller UnitSoftwareNew Master StationService and TrainingDocumentation

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SPECIFICATION NO. 1003FAULT RECORDING SYSTEM

1003.1 Fault Recording System. (FRS)The fault recording system (FRS) shall be a microprocessor-basedinstrument designed for sensing, acquiring, storing and recording criticalhigh speed data during power system faults and disturbances. The FRSshall be tested to comply with the international standards of the IEC andIEEE/ANSI. The system which is supplied to EGAT shall be standardversion. Any additional modification to the standard version in order tomeet EGAT specification shall not be accepted. Details of each fimctionin the system shall be completely described in the manual.The proposed FRS shall be the product from the manufacturers that havehad supply record for EGAT or have been approved by EGAT. Aprototype of new types, models or software of the fault recordingequipment which has never been used in EGAT shall be provided to betested in our laboratory at least five (5) months before bidding and theremust be a training course or workshop upon EGAT's requests.

1003.2 Cabinet.The FRS shall be supplied as completely wired and complete with allaccessories mounted on a standard 19-inch rack and enclosed in one ortwo cabinets. The cabinet size shall be 1,000 mm deep, 900 mm wideand the height shall be 2,290 mm plus a 39 mm channel base. Finishedpanel surfaces shall be free from waves, bellies, or other imperfections.Exterior and interior surfaces shall be cleaned by sanding and steamcleaning, ground smooth, filled, primed, sanded and shall be finishedpainted inside and outside with ANSI 61 medium gray (RAL 7036 fullgloss). The cabinets shall be built from not less than No. 11 USS gage (3mm) leveled sheet steel. The cabinet shall be designed without anypermanent bottom braces and the bottom shall be open. The cabinet shallbe furnished with channel base. The 6 mm by 25 mm cross-section barcopper ground bus shall be provided at the bottom of the cabinet, to whichthe metallic cases and grounding circuits of all equipment shall beconnected. The grounding buses shall be solidly bolted to the steelframework so as to make a good electrical contact. Solderless lugs orterminals shall be provided on the ground buses for terminating No. 4/0AWG stranded copper ground cable from the substation groundingsystem. All incoming and outgoing cable shall enter the cabinet throughslots in the floor underneath the cabinet.Two (2) of six (6) inches ventilation fans per cabinet shall be mountedinside at the top. Their switch shall be located inside the cabinet. Thepower supply shall be 230 V, single-phase, 50 Hz, AC.One (l) of fluorescent lamp per cabinet section shall be mounted inside atthe top for interior lighting with one toggle switch located inside thecabinet. One (1) of receptacle outlet of single-phase, 2-pole, 3 wire

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grounded type rated 15A at 250 V shall be furnished inside the cabinet.The light and the receptacle outlet shall be completely wired forconnection to 230 V, single-phase, 50 Hz, AC source which is furnishedbyEGAT.The analog points in each cabinet shall not be more than 48 points.

1003.3 Terminals and Wiring.The cabinet and all equipment shall be completely wired. Internal wiringof each basic panel assembly and each cabinet shall be neatly andcarefully installed in suitable wiring ducts with removable covers andconveniently located terminal blocks for connection to incoming andoutgoing leads. The size of control wire shall be 2.5 mm 2 and 1.5 mm 2 forAC circuitry and DC circuitry respectively. All current and voltage inputsto the FRS shall be completely wired with test switches. The test switchesshall be flexitest switches, type FT-l, FT, or TFMS-lOE (US Made).For the terminal arrangement, all leads shall be grouped for eachparticular function to facilitate connections to the incoming and outgoingcables. The arrangement shall be subjected to approval by EGAT. Notless than ten (10) percent spare terminals shall be provided for each groupof terminal blocks for future use.The terminal blocks shall be 600 V insulating barrier between terminals.The terminal blocks provided for analog signal shall be spring loadedscrew-on type or screwless type. All CT terminal blocks shall be sized toaccept 2x6 mm

2conductors and provided without sliding switch bridge andtest socket screws. The terminal blocks provided for event signal shall beknife switch type of the spring-loaded screw-on type, screw-on type, orscrew-less type. Both ends of wires shall be terminated by compressiontype and ring type terminal lug. Identical designation shall be assignedfor each corresponding terminal block and wire. The said designationshall also be indicated in the schematic and wiring diagrams. All wiringshall be designated at both ends by printing on wire designation sleeves.Wire designation shall be made by permanent method which is unaffectedby heat, solvents, steam, and not easily dislodged. Each designation onthe terminal blocks shall be machine-lettered, stamped or engraved with

permanent ink on the removable marking strips. Adhesive labels shall notbe acceptable.1003.4 Fault Recorder.General.UTP cables shall be provided to link fault recorder cubicles together inorder to operate as one system. The linked configuration shall includecomplete time synchronization and initiation of all recorders from anystarting sensor by means of cross triggering. The signal for crosstriggering function shall not be the event channel.

The FRS shall be a modular design. All Plug-In circuit boards andmodules shall be equipped with card guides to prevent damage resulting

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from misalignment of connectors and sockets during insertion and removal of circuit boards and modules. Circuit boards and modules shall be easily replaceable without requiring the removal of the entire fault recorder, or other circuit boards or modules of the fault recorder from the rack. Modular units of the fault recorder shall be self-supporting and require no external supports of bracing. Analog Inputs. The CT secondary nominal rating shall be lA or SA (In). A current shunt shall be able to withstand fault current up to 40*In for 1 second and 2*In on a continuous basis. The PT secondary rating shall be selectable for either 66.4 V AC or 115 V AC. Signal isolators connected to this circuit shall be able to withstand two-per-unit overvoltages on a continuous basis. Digital Inputs. Each event input shall be dry contact. The maximum time resolution of the event input shall be at least one millisecond. Each individual event channel shall be electrically independent and selectable for either normally open or normally closed contact input. The event channels shall be synchronized with the analog channels. Corresponding to any change of status which is normal-to-alarm or alarmto-normal, all event inputs shall be capable of initiating the recorder to operate simultaneously. Sampling. Each analog channel shall be completely supplied with input signal conditioning with the frequency response of DC to 2,000 Hz. The sampling shall be adjustable at both fast and slow scan rates in order to capture both faults and slow disturbances. The pre-fault recording interval shall be selectable over the range of 50 to 1,000 milliseconds for High Scan and 10-600 seconds for Slow Scan. The resolution of AID conversion shall be at least 12 bits. Storage. The fault recorder shall be equipped with at least 16 GB of internal hard disk for data storage. The internal hard disk shall be IDE, EIDE or SCSI interfaces. PCMCIA-hard disk (PC card), compact flash or compact- disk shall not be accepted. The total storage used for fault records shall not be less than 128 MB per DAD. Security. For access security to the FRS, there shall be three (3) levels of password access for users. Each access level shall automatically determine the access rights of the lower levels. Triggering. The inputs to the sensors of each fault recorder shall be selectable from any combination of recorded channels for that recorder. Each sensor shall be provided with a LED target to indicate which sensor has operated and

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an operation limiter with an adjusted time range from 0.1 to 60 seconds.The operation limiter shall automatically reset when the sensor inputreturns to normal. Limited operation on one sensor shall not affect theoperation of any other sensors in the system. The following startingsensors shall be supplied:Overcurrent Starting Sensors. The minimum of four (4) singlephase overcurrent starting sensors shall be provided with 1 or 5Ampere nominal rating. Each sensor shall be supplied with anadjustable setting range 0.1 to 10 Ampere less than three (3) percenterror and response time of 2.5 ms. The thermal rating shall be 40times nominal for one second.Under/Overvoltage Starting Sensor. The mInImum of four (4)single phase under/overvoltage starting sensors shall be provided forsensing under/overvoltage conditions of the buses or line. Eachsensor shall be adjustable from 50 to 150 percent of 66.4 VAC or115 VAC. 50 Hz. The sensor shall be supplied with three (3) percentfull scale accuracy and the maximum response time of 10 ms.Frequency Starting Sensor. One (1) single phase frequency startingsensor shall be provided for sensing abnormal frequency conditions.The sensor shall be adjustable from 0 to 2 Hz. over or under thenormal frequency with a step of 0.1 Hz and 0.01 Hz accuracy. Thesensor shall monitor the system frequency for at least 40 ms beforestarting the recorder. The frequency sensor shall include atransducer output which can be recorded on one of the analogchannels to provide accurate cycle-by-cycle plots of frequencyversus time during the disturbance. The sensor shall trigger the faultrecorder to operate at low scan rate (less than 1,000 samples persecond).Negative Sequence Voltage Starting Sensor. One (1) negativesequence voltage starting sensor shall be provided for sensingunbalanced conditions. The sensor shall be adjustable from 1 to 20Vrms. The sensor shall be supplied with three (3) percent full scaleaccuracy and the maximum response time of 10 ms.Zero Sequence Voltage Starting Sensor. One (1) zero sequencevoltage starting sensor shall be provided for sensing earth-faultconditions. The sensor shall be adjustable from 1 to 20 Vrms. Thesensor shall be supplied with three (3) percent full scale accuracyand the maximum response time of 10 ms.Power Swing Starting Sensor. Power swing starting sensor shall beprovided for detecting power swing conditions in transmission linefor at least two (2) lines. The power swing sensor shall trigger thefault recorder to operate at low scan rate. (less than 1,000 samplesper second).

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External Start. An external voltage input shall be provided for thefault recorder to connect with an external start signal.The fault recorder shall automatically trigger, record data, and shall also automatically transmit data to the master station. System Alarm. The FRS shall be equipped with a continuous self-diagnostic which detects and alarms the particular diagnosed condition. The system shall detect, indicate, and alarm the following conditions: - Operate Fault Recorder Operate- Fail FRS fail, CPU fail, power fail- Not Ready Communication fail, etc.External reset shall be provided. The alarm output shall include both normally open and normally closed contact output. Communications. The communication to the FRS shall be provided by three (3) methods. 1. Direct connect communication2. Ethernet communication by TCP/IP protocol- Ethernet communication must support the connection speed of 10/100Mbps (via RJ-45 connector) and must communicate on TCP/IP

protocol (or internet network).Clock. The fault recorder shall be supplied with built-in calendar and clock to provide accurate date and time including month, day, year (or day, month, year) hour, minute, second, and millisecond for each operation of the recorder. The linked fault recorder shall be time-coordinated to each other within one millisecond. Synchronizing. The FRS shall be provided with the following time synchronizing features: - Synchronizing the fault recording system clock with an external clock(using the external clock from GPS System).- Any clock utilizing the AC power supply as a time base shall transferto crystal oscillator control in case of loss of AC power and shalltransfer back to the AC power supply as a time base in case of return ofAC power.- IRIG-B synchronizing shall be provided to permit synchronizing thefault recorders with the remote station.- The synchronizing input and output for any external clock shall beapproved by EGAT to ensure proper interfacing.

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Recorded Infonnation. The following data shall be printed on the record: - Station Identification up to 32 alphanumeric characters- Day, Month, Year, Hour, Minute, Second and Millisecond- Sampling Rate- Time Marker- Operation Number- All Analog, Event Channel Wavefonn, Sensor Operation,

Time Mark- Channel Identification- Channel Zero Deflection Line- Autoranging Scale Factor- Summary ofcomputed data, for instance, fault duration, relay time,breaker time, a percentage of voltage dip, fault current, distance tofault, etc.Automatic range factors shall be printed out of a local printer at the startof each analog axis. Autoranging function or equivalent feature ISrequired to reduce peak-to-peak deflection of each analog channel.A horizontal dotted line crossing each channel of the fault recorder shallbe printed to mark the end of pre-fault data and the beginning of the faultdata.

1003.5 Front PaneLThe FRS shall provide local man machine interface to set up the systemand pennit easy field modification, either through a built-in patch panel ora monitor, and a keyboard or a keypad. The local man machine interfaceshall be provided for programming, display status or diagnostics. Thefollowing status indicators shall be provided:- CPU failure - Operation - Loss of clock synchronizing - Loss of Power - others The display-screen shall be large enough to allow messages to be easilyreadable and clear to every eye's view. The selected-record-file which ischosen from Date & Time or selected page printing feature shall beprovided at the front panel or the monitor of the FRS.The FRS shall be furnished with the local man machine interface;otherwise, the industrial personal computer with a monitor shall beprovided.

1003.6 Power Supply.The FRS shall be designed to operate from the 125 VDC ungroundedstation battery. The recorder shall be furnished with a DC-to-DCconverter to provide transient surge isolation between the station battery

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and the fault recorder. The recorder shall be designed for continuousoperation over the voltage range of 100 to 143.75 VDC withoutmalfunction to allow for the discharged and fully charged condition of thebattery, ambient temperature of 10C to 55C, and humidity of 0 to 95percent. The recorder shall be immune to damage from accidental shortcircuiting of the input or output DC supply. The recorder shall notproduce any signal, noise, or impulse which is greater than 300 millivoltspeak-to-peak on the input DC supply leads.Main ON-OFF switch for AC circuit and main DC circuit breaker for thepower supply unit of the fault recorder shall be provided.

1003.7 Local UPS.The local Uninterrupted Power Supply (UPS) shall be supplied for theFRS with the following specifications to enhance the reliability of thesystem:- 700 V A, On-line - Input 220 V AC, 50 Hz - Output 220 V AC - +/- 5% 50 Hz - time 25 min - Hot Swappable Battery - Transfer Time less than 2 ms or better - weight not more than 7 kg

1003.8 Local Controller Unit.Local controller unit complete with carrying bags and all identicalsoftware as the master station shall be supplied for each FRS. Themanufacturer shall be well-known of the world's computer-technology.The local controller unit shall be high performance, high reliability andpass International Standard such as ISO, IEC. The local controller unitshall be separately quoted and shall meet the following specifications:Processor Intel Core 2 Duo Processor (2.4 GHz, FSB 800MHz. 3 MB L2 cache memory)Memory 2 GB DDR2 SDRAMHard disk 250 GB 5400 RPMMonitor 14.1 LCD WXGA TFT (1280 x 800)Display card Intel Graphics Media Accelerator 4500M HDOptical Drive DVDIRWModem 56K V.92 Internal Fax Modem and56K V.92 External Message ModemInterface 1 Parallel, 1 Serial or RS232-USB adapter,2 USB 2.0 Ports, 1 PCMCIA type II,2 PS/2 and 1 IEEE 1394 Digital portI/O Port = 1 Parallel, 1 Serial or RS232-USB adapter,

3 USB 2.0 Ports, 1 PCMCIA type II, 5 in 1Card Reader (SD, MMC, MS, MS PRO, XD)

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Network =Wireless LANSpeakerMouseWeight =PowerOperating System =

and 1 IEEE 1394 Digital port.10/100/1000 Mbps Ethernet802.11 b/802.11g Wireless and BluetoothInternal Stereo SpeakerOptical Mouse & Mouse padNot more than 3.0 kg, including battery110/220 VAC 50 Hz, 6 cell Lithium Ion Batterywith Auto ChargeableMicrosoft's Windows XP PRO. (license)

Recommended manufacturers for the local controller units which havebeen used in EGAT with satisfaction are Compaq, Dell, Fujitsu, IBM andToshiba.1003.9 Software.The master station software package (Le. Data-Analysis, communication

software) shall be designed for multi-tasking operation, preferably usingMicrosoft's Windows XP, 2003 or the latest version which supports Thaiedition to allow multifunction to run simultaneously. The master stationsoftware shall be menu-driven and user-friendly with the followingminimum features:1003-9.1 The fault-recording-database at the master station shall be operatedwith the highest reliability without collapse or failure.1003-9.2 For data transmission, both the FRS and the master station(equipment and software) shall be initialized or reset within the

shortest possible time.1003-9.3 It shall be capable of automatic or manual selection by user,retrieving fault data upon detection of fault or disturbanceconditions at any of the remote fault recorder sites over dial-upEGAT's telephone line at 1,200 to 14,400 bps or better transmissionrate.1003-9.4 All selected parts of a fault record can be transmitted. Transmission

of a record can be interrupted by the operator at any time. Recordshall be transmitted by time slice; therefore, the entire record to thatpoint in time will be transmitted equally. Transmission of a faultrecord can continue at the point of communication error. This datashall be added to the earlier transmitted data and analysis can nowbe performed on the entire record.

1003-9.5 A printout of each record shall begin by automatic or manualselection by user as soon as the transmission is complete.1003-9.6 "Automatically Poll" or "Received Calls" from the remote sites forany change of status including diagnosed problems or data. Theinterval time ofAutomatically Poll shall not exceed 30 minutes.1003-9.7 Communication link shall be able to read, down-load, and up-loadall operating parameters of any of the remote fault recorder sites. Ifany communication error occurs during up-loading and down

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loading parameters, the master station and the remote FRS shall rollback to use the old parameters so as to prevent improper operation.1003-9.8 A remote fault record shall be saved into a single file or singlefolder in the hard disk of the master station. A large number of

remote fault records shall not reduce operating speed or causemalfunction of the master station.1003-9.9 Simple backup or restored backup record data with OS command.(Windows).1003-9.10It shall be able to perform File-sharing function on LAN system.1003-9.11 It shall be capable of initiating and receiving a complete test of theremote fault recorder and shall be capable of sending a trigger to anyremote fault recorder to take a recording for calibration check.1003-9.12 The application software shall include the following features as aminimum:

- There shall be at least two (2) levels of sorting record data, i.e. byrecord name and by record date, and shall be able to open ordisplay many records at the same time (multi-records).- It shall be able to select amplitude, time bases and waveformplacement. It shall be able to place on any position and to placemultiple waveforms on the same axis. Moreover, it shall be ableto insert or delete any waveform (analog and digital) on a currentscreen.- For the same bus voltage, it shall be able to display each phase

voltage waveform with the same scale factor.- For the same line current, it shall be able to display each phasecurrent waveform with the same scale factor.- All waveforms which are shown on the screen and on the printpreview shall be exactly the same.- It shall be able to capture a selection of screen area (screencapture) and paste it in MS Office.- It shall be able to calculate RMS value and time interval of thewaveform in each cycle or in the specified range of time.- It shall be able to print the selected waveforms on one singlepage without any empty page.- For the remote data at the master station, the polling period shallbe continuously selectable over 1 minute to 48 hours (at least).- It shall be able to make up a composite record of analog tracesand event traces from any different fault recorders in any desiredcombination. Such composite record shall be able to be saved as

anew file.- It shall be able to automatically convert waveform record data

files which are collected in a hard disk of the master station toboth of the binary and ASCII formats of standard IEEE

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COMTRADE files (at least version IEEE C37.l11 1999). Theexported COMTRADE files must have data units specified inCOMTRADE 1999 format and the data shown in actualcorresponding units.- The Auto-exporting COMTRADE files shall be saved in aspecified directory.- It is able to arrange Authorization Setting in the directory ofoutput COMTRADE files so that AFA Application Server canprocess on Data Acquistion procedures through EGAT LAN.- The COMTRADE files performed on Auto-export mode shall benamed and renamed by user.- The channel identification shall consist of at least 16 digits whichare digit number, alphabet and punctuation mark.- Graphic display for all analog and event channels shall includechannel identification, engineering unit, scaling, date and timewith resolution ofone millisecond.- It shall be able to accurately calculate RMS voltage and current,peak voltage and current, sequence voltages and currents, phaseangle, active and reactive powers, apparent impedance,frequency, and distance to fault.- It shall be able to show six (6) vectors of voltage and current inthe same diagram in order to monitor power-flow condition.- The calculated channels function which has already been created

and saved shall be available whenever a record is displayed.- It shall be able to provide impedance plot on R - X diagram fromselected analog channels.- For the Distance to Fault Calculation of any feeder, it shallrequire only three (3) voltage channels (Va, Vb, Vc, either busvoltage or line voltage) and three (3) current channels of thefaulted feeder (la, Ib, Ie) without requirement on the neutralvoltage and current channels.- It shall be able to provide calculated channels which a user canmake a basic formula like summation or difference as well as beable to save, retrieve, print, display, or export.- It shall be able to accurately measure and display on the screenthe instantaneous time and the magnitude values at the location

of the cursor at any point on the trace waveform.- Time base expansion or compression shall be provided forgraphic display.- Harmonic analysis (up to 19 th harmonic) using FFT of a selectedtrace waveform shall be provided.

1003-9.13 For the start up, all application software and all setting parametersshall be supplied in CD-ROM.

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1003-9.14 Both software & hardware (for example: hard lock, etc.) shall bewell-prepared for the system extension in the future and can connectto other fault recording systems which are not less than 100 systemsin both the master station at the head office and the local controllerunits.1003-10 New Master Station.For any new FRS of which there is not any existing master station inEGAT' s system or any new model of the FRS of which software does notsupport the old version or existing master station, a new master stationcomplete with all application software shall be supplied. Themanufacturer shall be well-known of the world's computer-technology.The master station shall be high performance, high reliability and passInternational Standard such as ISO, IEC. The new master station shall beseparately quoted and shall meet the following specifications:

Processor = Intel Xeon Quad-Core processor X333302.6 GHz FSB 1333 MHz. 6MB Level2 CacheMemory = 2x2 GB (2xl GB PC2-6400)Hard disk = 2x500 GB 10K 2.5" SATA DriveGraphics 32 MB shared supporting 1600x120Ox16Mresolution Intel 828011RStd HD Controller Integrated Smart Array P41 Oi Controller/256 MBOnboard RAID Cdr = RAID 0.1Bus Type = PC I-ExpressPCI Slots = 6 available PCI-Express Gen 2 slots, optionalMix PCI-XlPCI Express or x 16 PCIconfiguration availableOptical-Drive Slim 12.7 mm SATA DVD OpticalMedia Bays 1-8 SFF SAS Hot Plug hard disk baysMax. #internals Disks= -Hot Plug SFF (2.5")SATA :2.0 TB:8x250 GB)-Hot Plug SFF (2.5")SAS :2.4 TB:8x300 GB)Onboard Gigabit Two HP NC382i Dual Port MultifunctionEthemPower Supply = HP 750W CS HE Power Supply Kit(optional to redundant power supply)

Dimension (Units) Rack (IU)OS Support MS Windows Server, MS Windows ServerHyper-V, Red Hat Enterprise, Linux (RHEL),Susie Linux, Solaris1O, Vmware, HP CitrixWarrenty = Spare Part and On-site workmanship for 3 years

1003-11 Service and Training.Start-up supervisors shall be provided to assure that the FRS has beenproperly set-up by Contractor. Supervisors shall be able to set up themaster station so that it can retrieve all data and parameters to and fromthe FRS which is located at the substation. In addition, an on-site trainingand the installation of software at the master station, the use of applicationsoftware, the operation and maintenance of the systems shall be provided.

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1003-12 Documentation.1003-12.1 A copy of wiring connection diagrams and installation instructionsshall be supplied for the FRS. Wiring diagrams shall be provided and

shall show all connections from point-to-point for all equipment. Allwiring connections among all the equipment mounted on each panelshall be shown on the same drawing. All approved fmal drawings, i.e.AC schematic diagrams, DC schematic diagrams, and internal wiringdiagrams shall be provided and printed as follows:

Sheet size A3 297 x 420 mm1003-12.2 A complete set of operation and maintenance manuals of all equipment(FRS, GPS, Master station, Local Controller Units, etc.) including

circuit diagrams of all printed circuit boards shall be supplied for theFRS.

1003-12.3 One certified copy of factory test report shall be supplied for the FRS.All documents shall be in English or Thai.The procedures for being listed in EGAT's Specification and EGAT ACCEPTEDFRS LIST can be requested from Transmission System Engineering Division.