Frida TD 24kV VLF

The Frida TD 24kV VLF sets the benchmark in cable condition evaluation by combining powerful testing capabilities with seamless diagnostic features. Its intuitive design, portability, and cutting-edge functionality make it the perfect solution for professionals in the power and energy sector. 

The new cable condition evaluation generation

• Cable testing and dissipation factor diagnostics in one device
• Easy and quick test setup
• Automatic testing and diagnostic sequences
• Compact dimensions and lightweight

VLF testing enables the location of insulation faults in plastic- and paper-insulated mass-impregnated cables in the shortest possible testing time without impairing the quality of the surrounding insulating material. The dissipation factor diagnostics with 0.1 Hz VLF truesinus® provide differentiated information on the ageing condition of paper-insulated mass-impregnated and PE/XLPE cables. In the case of PE/XLPE cables, the dissipation factor measurement can differentiate between new, slightly, or severely “water tree”-damaged cables. This makes it possible to prioritise the need to replace cables. The Monitored Withstand Test with tan delta combines the cable testing and dissipation factor measurement, allowing an accurate and comprehensive assessment of the cable condition. In addition, there is a minimum load on the cable due to the optimised test duration.

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• VLF Testing: Locate insulation faults efficiently without compromising surrounding insulation quality.
• Dissipation Factor Diagnostics: Evaluate ageing in paper-insulated and PE/XLPE cables with differentiated water-tree damage detection.
• Monitored Withstand Test: Combines testing with diagnostic insights for accurate condition assessment.
• Automation: Includes automatic testing and diagnostic sequences for ease of use.
• Robust Construction: IP 54 protection ensures reliability in varied environments.

Voltage Testing

• Frequency range: 0.01 – 0.1 Hz
• VLF truesinus® voltage: 1 – 42.5 kVrms (60 kVpeak)
• VLF square wave voltage: 1 – 60 kV
• DC voltage range: ±1 – 60 kV
• Resolution and accuracy: 0.1 kV, 1%

Output Current

• Measurement range: 0 – 14 mA
• Resolution and accuracy: 1 µA, 1%

Capacitive Load

• Max. capacitive load at 0.1 Hz, 24 kVrms/34 kVpeak = 2 km*
• Max. load at 0.05 Hz, 24 kVrms/34 kVpeak = 4.2 km*
• Max. load at 0.01 Hz, 18 kVrms/25 kVpeak = 33 km*
  *(Cable capacity of 0.24 µF/km)

Dissipation Factor Measurement

• VLF truesinus® voltage range: 1 – 24 kVrms
• Load range: 10 nF – 10 µF
• Resolution and accuracy: 1 x 10⁻⁶, 1 x 10⁻⁴
• Measurement range: 1 x 10⁻⁴ – 2.1 x 10⁻¹
• tan δ testing frequency: 0.1 Hz

General Specifications

• Input voltage: 100 – 260 V, 50/60 Hz
• Power consumption: Max. 1,400 VA
• Degree of protection: IP 54
• Data interface: USB 2.0
• Dimensions (W x H x D): 438 x 456 x 220 mm
• Weight (with HV test lead): Approx. 22 kg
• Operational temperature range: -10°C to +50°C
• Storage temperature range: -20°C to +60°C
• Safety compliance: CE-certified per Low Voltage Directive (2006/95/EC) and EMC Directive (2004/108/EC)

• Enhanced Efficiency: Combines testing and diagnostics into a single streamlined process to save time.
• Accurate Assessment: Monitored Withstand Tests with tan δ ensure comprehensive evaluations of cable conditions.
• Portable Design: Lightweight and compact, ideal for field use and transport to remote locations.
• Reduced Cable Load: Optimised test durations minimise cable load, preserving insulation integrity.
• Prioritisation: Identifies and classifies cable damage, facilitating targeted replacement decisions.

• Testing medium-voltage cables and electrical equipment, including generators, transformers, and switchgear.
• Cable sheath testing to ensure durability and integrity.
• Diagnostic evaluations, including dissipation-factor measurements and monitored withstand tests.
• Fault insulation detection in plastic and paper-insulated mass-impregnated cables.

By offering advanced diagnostics and testing capabilities in a portable device, these solutions enable professionals to execute maintenance tasks efficiently and with precision, ensuring optimal project timelines and dependable operations.