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TDM45

High power test and diagnosis combination for MV cables

  • Cable testing, cable diagnosis and sheath testing in one device
  • Enables standard compliant high power VLF testing at 0.1 Hz (5 µF @ 40 kVrms)
  • Internal tanDelta measurement with automatic result interpretation
  • Partial discharge diagnosis using VLF Sine wave, Damped AC or 50/60 Hz Slope technology voltages

TDM 45 series is a revolutionary breakthrough in testing and diagnosis of MV cables. The patented concept addresses the utilities increasing need for flexibility in use of test and measuring equipment based on the type of application.

The modular concept allows the engineer to individually set-up the unit based on the type of job that needs to be executed. If e.g. withstand testing on short cable lengths need to be performed then only one module is needed. When part of the task is also to perform a partial discharge diagnosis then an additional module is needed.

TDM45 Details

TDS NT

Cable test and diagnosis system in one

Network operators can now get faster and significantly more reliable information about the quality and the condition of their cables. This is made possible thanks to the brand-new 50 Hz Slope Technology. For the first time, it has become possible to immediately locate faults in underground cables during the actual PD measurement.

With the 50 Hz Slope Technology for the first time, a withstand test with VLF cosine-rectangular voltage (VLF CR) and PD diagnosis with damped alternating voltage (DAC) is combined in one unit. This allows an efficient and integrated solution for precise inventory of the network infrastructure. The important fact here is that the PD measurement data, gained with the VLF CR or with the DAC test voltage, can be compared directly with the 50 / 60 Hz network voltage. This facilitates reliable decision making.

  •  Two proven voltage wave shapes in one device
  •  Standard compliant VLF cable testing with accompanying PD diagnosis
  •  Non-destructive PD diagnosis by means of proven DAC voltage
  •  50 Hz Slope Technology for a direct comparison with the power frequency

  TDS NT Details

70/120/160 kV DC Dielectric Test Sets


  •  Lightest weight available in air-insulated high-voltage model
  •  Advanced performance with long-term reliability provided by filtered half-wave rectification
  •  Designed for maximum operator safety

High Voltage DC Dielectric Test Sets provide the most dependable, portable DC highvoltage sources for checking the quality of electrical power cables, motors, switchgear, insulators, transformers and capacitors.

 70/120/160 kV DC Dielectric Test Sets Details

 

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