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QTMS Transformer Monitoring System

Brand: Qualitrol Company

Designed to be completely modular and flexible, the QTMS is customizable to any new build or retrofit situation.

The QTMS sheds light on known issues, potential problems and provides a snapshot of fleet health by bringing the following technology into one platform: Partial Discharge, DGA, Bushing, Fiber Optics, and Smart Sensor Data.
Features
  • Modular design; full customization of monitoring parameters to meet specification
  • Reduce installation and reconfiguration time; web based software and plug and play modules
  • Field upgradeable with wiring on the front panel of the unit
  • Multiple chassis sizes and mounting options to suit any application

Specifications

AC Voltage

  • 0 to 140 Vac, 50/60 Hz
  • 0 to 320 Vac, 50/60 Hz

Accuracy

  • ± 0.5 % of Full Scale Input Range

Analog Input

  • Measures up to 8 Parameters

Cold

  • IEC 60068-2-1: 2007

Communication Module (Integral to the CPU)

  • Ethernet FX, ST Connector
  • RS-485, 4-Wire Communications Port
  • System Status Relay

Current

  • Clamp-On CT, 0-100 A

Damp Heat, Cyclic

  • IEC 60068-2-56

Data Communication

  • Protocols - Ethernet: DNP 3.0 (Level 3), Modbus (IEC 61850, IEC 60870-104-5)
  • Protocols - Serial: DNP 3.0 (Level3), Modbus (IEC 60870-104-5)

DC Current Loop

  • 0-1 mA DC
  • 4-20 mA DC

DC Voltage

  • 0-10 Vdc
  • 0 to 100 M Vdc

Digital Input

  • Measures up to 14 Optically Isolated Inputs

Direct Winding Temperature

  • Inputs: up to 8 Fiber Optic Input Probes

Display

  • Controls (Switches): 8 Push Button (Navigation, Test & Reset)
  • Local (Optional), Remote for Swing Panel (Optional): Backlit LCD, 2 x 16-Characters

Dry Heat

  • IEC 60068-2-2: 2007

Enclosure IP Rating

  • IP20

Fiber Optic Accuracy

  • ± 1° C

Immunity

  • Capability Damped Oscillatory: 61000-4-12
  • Conducted & Radiated Emissions: EN 55011 Class A
  • Conducted RF: IEC 61000-4-6: 2006, IEC 61000-4-6: 2006
  • Dielectric Strength: IEC 60255-5: 2000, IEEE C37.90-2005
  • Electrostatic Discharge: C37.90.3 (IEEE ), IEC 61000-4-2: 2009
  • Fast Transient, Burst: IEC 60255-22-4: 2008, IEC 61000-4-4: 2011
  • Impulse: IEC 60255-5: 2000
  • Radiated RF: 61000-6-5, IEC 61000-4-3: 2010
  • Surge: 61000-6-5, IEC 61000-4-5: 2005
  • Tolerance to Power Frequency: 61000-4-8, IEC 60529: 2001

Maximum Voltage

  • Digital Input: 250 Vdc

Memory

  • Data Logging: 100 Variables, Store Rates 1 Minute to 24 Hours
  • Data Logging: 32 Parameters at 15 second Capture Rate for 90 Days without Overwriting, with 4 GB Memory Space

Operating Humidity

  • 5 to 95 % - Non-Condensing

Operating Temperature

  • -40° to 72° C (-40° to 161.6° F)
  • Bushing Module: -20° to 72° C (-4° to 161.6° F)

Output Relay Module

  • Accuracy: 2 Loops, 0-1 mA - Max.
  • Accuracy: 4-20 mA - Max.
  • Output Relay: 8 Form C Relays, 10 A at 120/240 Vac, 10 A at 30 Vdc

Potentiometer

  • 1,500 to 15,000 ohms

Power Supply

  • Fuse: 5.0 A / 250 V
  • Universal, 120-240 Vac, 20 %, 50/60 Hz
  • Universal, 125-250 Vdc, ± 15 %, < 50 W

Processor Module (CPU)

  • 10/100 Ethernet TX, RJ45 Port
  • RS-485, 4-Wire Communications Port, Display Port for Optional Remote Display
  • TX6-DL Dual-Core Processor
  • USB-A Port

Shock & Bump

  • IEC 60255-21-2: 1988, Class 1

Sinusoidal Vibration

  • IEC 60255-21-1: 1988, Class 1

Storage Temperature

  • -60° to 85° C (-76° to 185° F)

Switch Contact (Dry)

  • Open/Closed

Switch Contact (Powered)

  • > 80 V or > 130 V Open, Jumper Selectable, Optically Isolated

Tap Position

  • 0-1 mA DC or 4-20 mA DC
  • 0-1, 0-5, 0-10, -5 to 5, -10 to 10, 0-125 Vdc or Non-Powered
  • Resistor Bridges of 40 to 2,500 ohm (1 % Acc, 100 ppm)

Taps

  • 0-1 mA DC or 4-20 mA DC

Temperature

  • 100 ohm Platinum (Pt100)
  • Liquid/Ambient Temperature Range: -40° to 120° C (-40° to 248° F)
  • RTD, Simulated Winding
  • Winding Temperature Range: -40° to 200° C (-40° to 392° F)

Threshold Voltage

  • Digital Input: > 75 Vdc

User Interface

  • Platform: Web-based
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