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MEGGRE TTRU3 Three-Phase Transformer Turn Ratio Tester

Code: TTRU3-BASIC TTRU3-ADV TTRU3-PRO TTRU3-EXP


 
Datasheet PDF, 2.12 Mb
Datasheet PDF, 2.09 Mb
     

Description

  • Guaranteed accuracy ±0.05% from -20°C to +50°C
  • 3Ø test voltage - up to 250V
  • 3Ø step up ratio (patented)
  • Phase shifting & zig-zag transformers tested
  • easily and accurately
  • Smallest/lightest 3Ø test set on the market
  • Fast 3Ø tests - less than 10 seconds

DESCRIPTION
The NEW Megger TTRU3 transformer turns ratiometer uses a
revolutionary design to perform a complete series of measurements on
a transformer, including 3Ø step up turns ratio testing (patented).
3Ø voltage output offers numerous advantages to testing with today’s
busy schedules. Features include:
Validation and recognition of phase relationship of vector
groups facilitated with on screen vector rotation and Auto
vector recognition
Accurate measurement of phase shift relationship (for phase
shifting transformers and Zig Zag vector configurations).
Faster testing – all 3 phases tested simultaneously
More reliable - removes the requirement for internal relay
switching which is a common cause of failure
The TTRU3 is an important tool for determining the mechanical
condition of transformers. All ratio tests are performed in one
instrument, with only one 3Ø lead-set connection. The TTRU3 utilizes
the latest 7 inch (180 mm) color touch display, as well as an optional
printer so you never lose your results. This is complimented with
remote control which can be operated from your PC, as well as the
ability to download results to a USB memory device.

TYPICAL PROBLEMS FOUND USING THE TTRU3
  • Loose connections
  • Turn-to-turn shorts
  • Broken Strands
  • Winding deformation
  • Tap changer contact problems
  • Core problems

TESTING PERFORMED
  • All with one instrument and 3Ø lead-set connection!
  • Ratio - 3Ø Step Up testing for power transformers
  • PhaBse shift & phase deviation
  • Polarity
  • Magnetic balance/flux distribution
  • Excitation current characteristics
  • Auto vector detection/recognition

FEATURES AND BENEFITS
  • 3Ø test voltage - fast testing of all transformers
  • Patented 3Ø Step Up Testing
  • Confirm expected nameplate vector configuration
  • Ability to measure actual vs expected phase shift
  • Unique kelvin clamps with adjustable 3-inch jaw
  • Banana plug input for connection to terminal blocks
  • Turns ratio % error vs nameplate with pass/fail
  • PC interface via USB for remote control operation and
  • downloading of test results

    Video MEGGER TTRU3




 

Standard accessories

3Ø Transformer Turns Ratio Test Set
TTRU3-BASIC
Included Accessories
AC Adapters & Power Cord - 2.5m (8ft) 2009-874
OLTC Tap Changer cable - 9m (30ft) 1011-622
Cable bag - backpack 2012-180
Ground Cable - 5m (16ft) 1011-352
Thumb Drive 1011-585
Triple Function Pen 2011-538
Optional Hardware Accessories
1:1 Test Jig 2005-249
Safety Beacon – 18m (60ft) 1004-639
Transit Case (for instrument) 2012-236
TRS1+ Calibration Standard TRS1PLUS
Calibration Certificate CERT-NIST
USB Printer 90029-573
USB Printer Paper (x48 rolls) 90029-573-P
OLTC Tap Changer cable adapters 1011-622-A
Software Options
AutoOLTC SW-AUTOOLTC
Magnetic Balance SW-MAGNETICBAL

3Ø Transformer Turns Ratio Test Set
TTRU3-EXP
TTRU3-PRO
TTRU3-ADV
Included Accessories
AC Adapters & Power Cord - 2.5m (8ft) 2009-874
USB 2.0 Cable CA-USB
OLTC Tap Changer cable - 9m (30ft) 1011-622
Cable bag - backpack 2012-180
Ground Cable - 5m (16ft) 1011-352
Thumb Drive 1011-585
Triple Function Pen 2011-538
Optional Hardware Accessories
1:1 Test Jig 2005-249
Safety Beacon – 18m (60ft) 1004-639
Transit Case (for instrument) 2012-236
TRS1+ Calibration Standard TRS1PLUS
Calibration Certificate CERT-NIST
USB Printer 90029-573
USB Printer Paper (x48 rolls) 90029-573-P
OLTC Tap Changer cable adapters 1011-622-A
ADV/PRO Software Options
TTRU3-EXP includes all software options and will receive automatic
activation of new features upon their release
All Automation SW (three options below) SW-AUTOKIT
PowerDB Control SW-POWERDB
One Touch OLTC SW-AUTOOLTC
Custom App Control SW-CUSTOMAPP
All Versatile SW (both options below) SW-VERSATILEKIT
Phase Shifting SW-PHASESHIFT
Magnetic Balance SW-MAGNETICBAL

Accessories Required for Operation
Lead P/Ns 2008-XXX-XX (8 total) can be used with the
TTRU3 and qualify as required accessories
3Ø universal shielded test lead sets compatible with MTO3XX,
MWA3XX, TTRU3 instruments (up to 10A max), complete with
color-coded Kelvin Clamps: Choose Kit or mix & match H & X
5m (15ft) H & X 2008-15KIT2
9m (30ft) H & X 2008-30KIT2
18m (60ft) H & X 2008-60KIT2
30m (100ft) H & 18m (60ft) X 2008-100KIT2
5m (15ft) H 2008-300-15
5m (15ft) X 2008-301-15
9m (30ft) H 2008-300-30
9m (30ft) X 2008-301-30
18m (60ft) H 2008-300-60
18m (60ft) X 2008-301-60
30m (100ft) H 2008-300-100
Optional Lead Accessories
9m (30ft) H extensions 2008-300-30X
9m (30ft) X extensions 2008-301-30X
9m (30ft) H &
9m (30ft) X extensions
2008-30XKIT2
 

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