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BAUR Viola TD VLF Cable Diagnostics Test Set w/ Full MWT & Tan Delta

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VIOLA-TD
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BAUR Viola TD VLF Cable Diagnostics Test Set w/ Full MWT & Tan Delta

The BAUR Viola TD VLF Cable Diagnostics Test Set is a powerful, precise, portable cable diagnostics tool. It can be used to perform cable and cable sheath tests on electrical equipment, such as generators, transformers and switchgear, and medium-voltage cables up to 35kV. It is also capable of performing insulation tests and includes a Monitored Withstand Test.

Additionally, when used with the BAUR PD-TaD 60 PD Diagnostics System, the BAUR Viola TD VLF Cable Diagnostics Test Set can measure partial discharge and perform Full Monitored Withstand Tests with tan δ. Furthermore, when used with a VSE box, the BAUR Viola TD VLF Cable Diagnostics Test Set can detect leakage current.

Very low frequency testing enables the BAUR Viola TD VLF Cable Diagnostics Test Set to find and diagnose faults in plastic- and paper-insulated, mass-impregnated cables quickly, easily and without affecting the quality of the surrounding material.

The BAUR Viola TD VLF Cable Diagnostics Test Set has a maximum test voltage of 42.5 kVrms/ 60kVpeak and supports voltage shapes including VLF truesinus®, VLF rectangular wave voltage and DC voltage. The BAUR Viola TD VLF Cable Diagnostics Test Set is able to perform tests in accordance with the following standards:

  • Cable testing in compliance with DIN VDE 0276- 620/621 (CENELEC HD 620/621), IEEE 400-2012, IEEE 400.2-2013, IEC 60060-3 
  • Cable sheath testing according to IEC 60502/ IEC 60229
  • Voltage withstand tests in compliance with IEEE 433

The BAUR Viola TD VLF Cable Diagnostics Test Set’s truesinus® technology ensures that results are repeatable and comparable by providing a load-independent, reproducible sinusoidal high voltage, enabling reliable voltage tests and precise dissipation factor and partial discharge measurements.

Furthermore, using dissipation diagnosis with 0.1Hz truesinus®, the BAUR Viola TD VLF Cable Diagnostics Test Set can provide differentiated information pertaining to the ageing of paper-insulated, mass-impregnated cables and PE/XLPE cables. The user is able to differentiate between new, slightly or severely ‘water-tree’ damaged PE/XLPE cables. The BAUR Viola TD VLF Cable Diagnostics Test Set can perform dissipation factor testing on electrical equipment and medium-voltage cables up to 35kV to an accuracy of 1x10-4.

The MWT can also be used to evaluate the condition of cable insulation; the BAUR Viola TD VLF Cable Diagnostics Test Set includes a condition-based test duration feature that can be used to ensure the cable is only exposed to the increased test voltage for the required duration.

In addition to this, when the BAUR Viola TD VLF Cable Diagnostics Test Set is used in conjunction with the BAUR PD-TaD 60 Diagnosis System, it can perform a Full MWT.  This combines VLF cable testing with parallel dissipation factor and partial discharge measurements to provide a comprehensive analysis of the cable’s insulation.

The BAUR Viola TD VLF Cable Diagnostics Test Set supports automated and individually programmed diagnostic sequences, including evaluation. Data can be transferred via a USB interface and managed using the Diagnostics Reporter PC Software.

Finally, the BAUR Viola TD VLF Cable Diagnostics Test Set includes an automatic discharge unit.

The BAUR Viola TD VLF Cable Diagnostics Test Set is a very low frequency, high-voltage testing and diagnostics tool optimised for verifying the condition of electrical equipment and medium-voltage cables up to 35kV.

BAUR Viola TD VLF Cable Diagnostics Test Set with Full MWT & Tan Delta Key Features

  • A precise, portable, powerful cable diagnostics tool
  • Perform cable and cable sheath tests on electrical equipment and medium-voltage cables up to 35kV
  • Can perform insulation tests
  • Includes a Monitored Withstand Test
  • Can be used with the BAUR PD-TaD 60 to measure partial discharge
  • Can be used with the BAUR PD-TaD 60 to perform Full Monitored Withstand Tests with tan δ
  • Use with a VSE box to detect leakage current
  • Find and diagnose faults in plastic- and paper-insulated, mass-impregnated cables quickly and easily
  • Test cables without affecting the quality of the surrounding material
  • Maximum test voltage: 42.5 kVrms/ 60kVpeak
  • Voltage shapes: VLF truesinus®, VLF rectangular wave voltage and DC voltage
  • Cable tests in compliance with DIN VDE 0276- 620/621 (CENELEC HD 620/621), IEEE 400-2012, IEEE 400.2-2013, IEC 60060-3 
  • Cable sheath tests according to IEC 60502/ IEC 60229
  • Voltage withstand tests in compliance with IEEE 433
  • Truesinus® technology ensures that results are repeatable and comparable
  • Truesinus® technology provides a load-independent, reproducible sinusoidal high voltage
  • Perform reliable voltage tests and precise dissipation factor and partial discharge measurements using truesinus® technology
  • Dissipation factor diagnostics with 0.1Hz truesinus® provides differentiated information pertaining to the ageing of cables
  • Dissipation factor indicates whether PE/XLE cables are new, slightly or severely ‘water-tree’ damaged
  • Perform dissipation factor testing on electrical equipment and medium-voltage cables up to 35kV
  • Dissipation factor accuracy: 1x10-4
  • MWT evaluates the condition of cable insulation
  • MWT condition-based test duration: ensures the cable is only exposed to the increased test voltage for the required duration
  • Supports automated and individually programmed diagnostics sequences, including evaluation
  • Transfer data via a USB interface
  • Manage data using Diagnostics Reporter PC software
  • Automatic discharge unit
  • A very low frequency, high-voltage testing and diagnostics tool

What’s Included?

  • BAUR Viola TD VLF Cable Diagnostics Tester
  • HV Connection Cable, 10m (fix mounted)
  • BAUR Tan Delta Kit
  • GDR 60-204 Discharge and Earth Rod
  • Earth Cable, 25m², 3m
  • Mains Supply Cord, 2.5m
  • Diagnostic Reporter and Video Tutorial on USB Drive
  • User Manual
  • Pocket Guide

Available Methods and Combinations of Methods

The BAUR Viola TD VLF Cable Diagnostics Test Set has a sister product, the BAUR Viola VLF Cable Diagnostics Test Set. The table below details the measurement/ test capabilities of these instruments when used independently and/or in conjunction with the BAUR PD-TaD 60 Diagnostics System. 

Method Significance and Benefits  BAUR equipment
VLF testing Easy voltage test (Verdict: Pass / Fail) viola
tan δ measurement Evaluation of the dielectric condition of the insulation, indication of PD viola TD
PD test Diagnostics of local weak points and their location viola & PD-TaD 60
Simultaneous tan δ and PD measurement Combination of statements of a tan δ measurement and PD measurement viola TD & PD-TaD 60
Shorter test duration with simultaneous tan δ and PD measurement
Better detection of hidden faults (e.g. moist joints) through conditioning of weak points and
simultaneous monitoring of tan δ values and PD activities
MWT with tan δ Evaluation of the dielectric condition of the insulation, indication of PD viola TD & PD-TaD 60
Intelligent withstand voltage test
Shorter test duration for cables in good condition
VLF cable testing with parallel PD test Localisation of faults in the cable insulation viola & PD-TaD 60
Intelligent withstand voltage test
Full MWT (VLF
cable testing with
parallel dissipation factor and
partial discharge
testing)
Evaluation of the dielectric condition of the insulation, indication of PD viola TD & PD-TaD 60
Localisation of faults in the cable insulation
Intelligent withstand voltage test with shorter test duration for cables in good condition
Shorter test duration with simultaneous tan δ and PD measurement
Better detection of hidden faults (e.g. moist joints) through conditioning of weak points and
simultaneous monitoring of tan δ values and PD activities

BAUR Viola TD VLF Cable Diagnostics Test Set Technical Specifications 

Output Voltage 
Frequency range 0.01 – 0.1 Hz
VLF truesinus® 1 – 42.5 kVrms (60kVpeak)
VLF square wave voltage 1 – 60 kV
DC voltage ±1 – 60 kV
Resolution 0.1 kV
Accuracy 1 %
Load range (VLF testing) 1 nF – 10 µF
Output Current 
Measurement range 0 – 70 mA
Resolution 1 µA
Accuracy 1%
Max. capacitive load 1 μF at 0.1 Hz,
42.5 kVrms / 60 kVpeak (≈ 4 km)*
3 μF at 0.03 Hz,
42.5 kVrms / 60 kVpeak (≈ 12 km)*
8 μF at 0.01 Hz,
40 kVrms / 57 kVpeak (≈ 41 km)*
* max. cable length at a cable capacity of
0.24 µF/km
Dissipation Factor Measurement (Viola TD)
VLF truesinus® 1 – 42.5 kVrms
Load range 10 nF – 10 µF
Resolution 1 x 10-6
Accuracy 1 x 10-4
Measurement range 1 x 10-4 – 21 000 x 10-3
tan d measuring frequency 0.1 Hz
Automatic detection and compensation of leakage
currents
With VSE box (optional)
Diagnostic Reporter Used to process and evaluate test and measurement logs
Based on MS Excel: From version MS Excel 2007
General 
Input voltage 100 – 260 V, 50/60 Hz
Power consumption Max. 1 400 VA
Reverse voltage protection 13 kV
Degree of protection IP 24
Data interface USB 2.0
Dimensions (W x H x D) excl. cable compartment
HV part 505 x 503 x 405 mm
Operating unit 505 x 433 x 405 mm
Total (two-part) 505 x 854 x 405 mm
Weight
HV part 57 kg
Operating unit 19 kg
Ambient temperature (operational) -10°C to +50°C
Storage temperature -20°C to +60°C
Safety and EMC CE-compliant in accordance with Low Voltage Directive (2006/95/EC), EMC Directive (2004/108/EC), EN 60068-2-ff Environmental testing
User interface available in 13 languages Czech, Chinese (CN), Chinese (TW), Dutch, English, French, German, Italian, Korean, Polish, Portuguese, Russian, Spanish
BAUR Viola VLF Cable Diagnostics Test Set - Datasheet Datasheets

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Additional Information
SKU VIOLA-TD
Manufacturer Part Code VIOLA-TD