Products/iPAC-C/Technical Specifications



iPAC-C Features & Overview  |  Technical Specifications

 

 


Measurement functions


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  • Voltage and Current RMS Values
  • Neutral Current RMS Values
  • Power Factor measurement (Power factor correction: Capacitor bank switching)
  • Total Power measurement
  • Real and Reactive Power measurement
  • Power Quality measurement (FFT for Harmonic measurement)
  • Frequency measurement
  • Total Harmonic Distortion (THD) measurement

IEEE Protective Devices

 
  • Sync Check (25)
  • Under Voltage (27)
  • Directional Power (32)
  • Phase Balance (46)
  • Instantaneous Over Current (50)
  • Inverse Time Over Current (51)
  • Over Voltage (59)
  • Voltage Balance (60)
  • Directional Over Current(67)
  • Reclosing (79)
  • Under and Over Frequency (81H/L)
  • Lockout (86)
  • Differential for Transformer Protection (87)

Advanced Features for Protections

 
  • Coil Monitoring for Breaker Failure detection
  • Cold Load Pickup Logic to prevent protective devices from operating when cold load is switched on the circuit
  • Voltage Constraint with Current pickup lowered to increase sensitivity when voltage is also collapsing during the fault
  • Breaker Control Blocking for coordination with upstream and downstream protective devices via DI or Peer-to-peer communication
  • Diverse POTT, DCB, DTT pilot protective schemes ready for complicated FDIR application of feeder grid system
  • Directional on Over Current Devices

Communication

 
  • RS232/RS485 ports: 4 user ports, 1 jumper selectable maintenance or user port
  • 4 Sync/Async ports, 1 Async port, 300 – 38.4 kBaud
  • Hand Shaking Signals: DCD, RTS, CTS
  • Specifications: Meet all EIA/TIA-232-E and V.28 specifications
  • Multiple Open Protocol support: DNP 3.0, IEC870-5-101, MODBUS, LG8979, CDC II, SC1801, CDT
  • Redundant Communication
  • Data Concentrator Protocol: DNP 3.0, IEC870-5-101, MODBUS, CDC II

Maintenance

 
  • Window Based DynaView Maintenance Software
  • Window Based DynaConfig Configuration Software

Monitoring and Supervision

 
  • Power Quality measurement: THD and Harmonic Measurement (up to 32 Harmonics)
  • Electronics temperature monitoring
  • Circuit Breaker Electric Wearing Statistics
  • Trip Circuit Supervision (Base on Value of trip coil current, auxiliary Contact of the Trip Relay or present of the Voltage)
  • Trip/Close Breaker Operation Counters.
  • Breaker Travel Time Supervision.

Control

 
  • Power Factor Control (Capacitor Bank Switching)
  • Programmable Multiple Shots Recloser (Maximum 6 shots)
  • Programmable Digital Output for LED Indications
  • Manual Circuit Breaker Control
  • Programmable Logic and Sequential Control

Trending and Recording

 
  • Transient disturbance time stamped event recording (triggered by External DI, Protective Stage Status or Breaker Operation)
  • Fault AI Waveform Capturing
  • Fault History Recording
  • Optional Fault Record Analysis Package (iPS™, intelligent Power Spectrum)

Diagnostics
 
  • Power Up Diagnostics: Software and Configuration Integrity Checking
  • Digital Output Relay Driver Integrity Checking
  • Digital Input Wetting Voltage Monitoring
  • AI Reference Monitoring
  • EPROM and RAM integrity Checking
  • Battery Voltage Monitoring (Optional)

Configuration Template
 
  • Ready made standard configuration or customize the unit to specific application for detail setting by customer

Technology
 
  • CMOS components for low power consumption
  • Extensive use of surface mount components
  • Employing In-System-Programming technology for EEPROM and EPLD

CPU, DSP and Memory
 
  • 32- bit HCMOS Motorola 68332 @ 20 MHz
  • 32- bit Floating Point DSP ADSP21062 @ 40 MHz
  • CPU Memory: 1 MegaBytes EEPROM. 1 MegaBytes battery backed up RAM with 3 years of shelf life. Battery can be changed with live power on for uninterrupted operations
  • DSP Memory: 2 Megabits of on-chip RAM, 128 Kilo-Bytes of Dual Ported RAM

Real Time Calendar Clock
 
  • Hardware calendar clock with year, month, day of month, day of week, hour, minute and second
  • Optional high accuracy, temperature compensated crystal oscillator, 20.0000 MHz +/- 2 PPM at -20 to 70 degrees Celsius
  • Battery backed up Real Time Calendar Clock with 3 years of shelf life. Battery can be changed with live power on for uninterrupted operations

Microprocessor Supervisor
 
  • Watchdog Timer. Power Monitor. Reset. Power Switching functions
  • Watchdog relay: For system malfunction annunciation, indication and control overrides

Power Requirement and On-board Power Supplies
 
  • Isolated unregulated 24 VDC (1 Amp) for electronics. Separate Power Supply for Digital Input excitation
  • Switching mode, +5 VDC for digital electronic, +5 VDC, -12 VDC and +12 VDC for analog electronic

System Status Indicators
 
  • Power On indicator
  • Performance indicator
  • System Normal indicator
  • Control Malfunction indicator

Digital Inputs
 
  • Main Cabinet: Up to 48 optical isolated Digital Inputs (Expansion Cards required) with input indicator on each digital input
  • External Connection: Up to 13 more DI expansion boards can be added (each DI board accommodates 32 DI points)
  • Isolation Rating: 2500 Vrms (point input to logic)
  • Hardware Digital Filter: Programmable 2-15 ms debounce timer, transition detection and interrupt capability. (software debounce is up to 65535 ms)
  • Accumulator: Any Digital Input can be configured as an Accumulator
  • Maximum Rate of Accumulator: 150 Hz
  • Types of point: Form A, Form C and BCD
  • SOE: Any Digital Input point can be configured as SOE with accuracy of 1 ms
  • Chatter Filter is available for preventing malfunctioning inputs from filling up the SOE buffer

AC Analog Inputs
 
  • Main Cabinet: Up to 16 AC Analog Input Points for protection:
    Either Voltage or Current inputs. Rating: I nominal = 5 A or 1 A, V nominal = 120 V, Nominal Frequency: 50/60 Hz
  • External Connection: Up to 14 AC AI expansion boards can be added (each AC AI board accommodates 16 AC AI points) for monitoring
  • Accuracy: +/- 1%
  • Temperature Coefficient: +/-5PPM per degree Celsius
  • Resolution: 15-bit plus sign
  • Auto Self-Calibration Reference Points: -5.000VDC, 0VDC and +5.000VDC
  • CMRR (@0-60Hz): 90 dB
  • NMRR (@60Hz) 60 dB
  • Analog Input self-calibration, Auto-correction of gain and offset errors

DC Analog Inputs
 
  • Any AC AI can be used as DC Analog Input:
    Bipolar, Differential input @ +/- 10.0V, +/- 7.5V, +/- 5.0V, +/- 1.0V, +/- 1 mA, 0-1 mA, +/- 10 mA, 4-20 mA
  • Accuracy: +/- 0.05% (DC voltage input)
  • Temperature Coefficient: +/-5PPM per degree Celsius
  • Resolution: 15 bit plus sign
  • Auto Self-Calibration Reference Points: -5.000VDC, 0VDC and +5.000VDC
  • CMRR (@0-60Hz): 90 dB
  • NMRR (@60Hz) 60 dB
  • Analog Input self-calibration, Auto-correction of gain and offset errors

Digital Outputs
 
  • Main cabinet: 16 relay outputs with output indicator on each Digital Output
  • External Connections: Up to 14 DO expansion boards can be added (each DO board accommodates 32 DO points)
  • Control Output Configurations: Isolated Discrete control output relays, Trip/Close, Raise/Lower, Set/Reset, Pattern Controls, Relay fail to OFF, Relay fail to last commanded position
  • Control Security: Single component failure protection, Master Trip/Close relays, relay driver input status check back for point selection confirmation, Double point select-before-operate
  • Remote/Local switch for enable/disable controls
  • Either a malfunction of the system (detected by the watchdog), or the failure of a point selection confirmation shuts down the control module
  • Control Functions: ON/OFF, timed ON/OFF (pulse duration of 1 ms resolution), variable duty cycle pulse output with variable repetition rate (pulse train of 1 to 254 or continuous, 1 ms resolution), Pattern controls (a group of contiguous outputs)
  • Contact Rating: 10 Amp at 125 VDC
  • Dry Contact, 1500 VDC Isolation

Operating Environment
 
  • Temperature Range: -40 to +85 degrees Celsius
  • Humidity: < 95%, non-condensing

Advanced Features
 
  • Remote Software download
  • Remote Configuration download
  • Dual Configurations:
    System maintains 2 sets of configuration. One resides in the EEPROM and the other resides in the Battery backup RAM.
    The set in the Battery backup RAM is used for configuration upgrade. After thoroughly testing, the set in the Battery backup RAM can be transferred to EEPROM or the set in the EEPROM can be brought back to active state. That is to say, the user can always fall back to the last well-tested configuration.
  • CPU ambient temperature sensor provided
  • The maintenance/application port can be used for host or maintenance communication with one communication channel. A pseudo control point is available for switching between the host or maintenance communication
  • Built in Serial I/O Communication analyzer
  • Extensive error checking in Configuration Compilation: Configuration errors can be easily identified and resolved at the time of configuration not at the time of configuration download to the FTU
  • Time Sync: IRIG-B, RS232
  • Front Panel Indicators:
    - System Status LED: Power, Performance, System Normal, Control trouble.
    - 16 DI LED
    - 16 DO LED
    - 10 TX and RX LED for 5 communication ports
    - 32 DI LED (option)
 

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