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A power system composes of various electric facilities such as electric power generator, switch gear, circuit breaker, transmission line, distribution line, and electric load. It is distributed through wide spread area and its characteristics changes in real-time basis depending on operating and load condition.
 
Considering an effect of power system’s fault to the industry and maintenance period, through its prompt restoration and recurrence prevention through an analysis of a cause should be important. Also during a system operation, such solution is needed to prevent any system fault through analysis of electric signal status
 
Thus in a power system industry, system monitoring, analysis and fault preventions are getting more attention. Through acquiring data about which operational state of each power system facility and protection/ control system, a data analysis and prevention will be implemented.
 
A fault recording panel is used for analysis of trouble’s cause and operation status of system. When a power system has an abnormal condition (fault, power swing, disturbance, etc), it utilizes by recording and analyzing not only activation status of system’ s protection and control device, but also electric data (voltage, current, frequency, active/reactive power, power factor, etc).
 
GABO’s fault recording panel has a digital fault recorder (SIMEAS-R) made from SIEMENS, in order to guarantee a reliability. By having accumulated knowledge in manufacturer technology of protection panel, and experienced professionals, we strive to accomplish noise immunity, stable earthing, durability, insulation, assembly, all of which being incorporated in order to generate products of credibility.
   
  FAULT/EVENT RECORDER (SIMEAS-R)
 
- Digital Fault Recorder with 32 Bit microprocessor.
- GPS time synchronization
- Record 1700 fault/event data per second.
- 256 [Sample]/ 1 [cycle] sampling frequency.
- PC Card Slot Type II.
- Ethernet LAN (TCP/IP).
- Gain control of analog channel.
- Signal assignment for Binary Input
- Large capacity memory saving device.
- Parallel port (LPT 1) for printer.
   
  FAULT/EVENT RECORDER MAIN FUNCTION
 
- A synchronizing storage recorder for 32 analog inputs and 64 digital inputs.
- Auto operation mode/ manual operation mode.
- Event data recording trigger setting through scheduler/ event setting.
- 3 kinds of operation mode (normal, locked, test).
- Remote control and setting by using OSCOP-P at Local PC.
- Calculation of power quality through using SICARO-PQ software.
- PMU (Phase Measurement Unit) optional.
- Self-diagnosis.
   
  FAULT/EVENT RECORDING SYSTEM CONFIGURATION
 
Fault recording system is composed of SIMEAS-R (fault recording device), software (OSCOP-P) for monitoring and operating, a printer, and an industrial computer for a system operation.
Depending on user’s purpose, a system configuration could be applied in various ways. Communication network for remote monitoring supports serial, Modem and TCP/IP.
Also, time synchronization could be done by using GPS signal. Time synchronization function of each device enhances an accuracy of analyzing a cause of fault/event.
   
  FAULT RECORDER TECHNICAL STANDARD/SPECIFICATION
 
Index Item Specification Remarks
Rating Power Supply Voltage Input   DC : 125[V], AC : 230[V] (Frequency 50/60[hz]) selectable
Power Consumption   40[W], 70[VA]
Analog(V, I)   32[ch]
  1[A], Burden : 0.1[VA]
  5[A], Burden : 0.2[VA]
selectable
Digital input   Number of digital input : 64
  Voltage Range : 24 ~ 250[VDC]
selectable
Communication Communication Port   LPT1, RS-232, RS-485, Ethernet selectable