PDTech DeltaMaxx

Offline Digital Loss Factor/Capacitance Analyzer and Partial Discharge Detector
 

The DELTAMAXX determines the dielectric power factor, capacitance, and partial discharge of generator windings for test voltages up to 50 kV

Motor
Hydro Generator
Turbine Generator
Works with These Assets

Features

SPECIFICATIONS FOR TANd/C MEASUREMENT

  • Test Frequency: 10 to 100Hz
  • Maximum Current: depends on external components (shunts), standard is 10A, 50 mA and 2A also available.
  • Reference Capacitor: 1nF nominal up to 20 kV at 23°C, correction in settings, see QA certificate for precise values
  • Tand: 10-5 (resolution)
  • Error: Tand:  1-2⋅10-4 (uncertainty), Capacitance 0.5% at 5V input at 23°C
  • Display Units:  selected via user interface
  • Power Supply:  Via USB (for PD Module external power required)
  • Harmonics:  Numerically rejected by software algorithm
  • Interface USB:  PC requirement: Desktop or Notebook, Windows XP, 512 MB (min)
  • Test Voltage Range: 15kV (DELTAMAXX 15), 20kV (DELTAMAXX 20), 30kV (DELTAMAXX30), 50kV (DELTAMAXX50)

SPECIFICATIONS FOR PARTIAL DISCHARGE MEASUREMENT WITH INTEGRATED COUPLING CAPACITOR

  • Test Frequency: 10 to 100Hz (HV Frequency Range)
  • Coupling Capacitor: 1nF nominal up to 20 kV at 23°C, see QA documents
  • Coupler Impedance:  Integrated high-voltage isolation transformer
  • PD Band Pass:  Designed according to IEC60270, 40-800kHz
  • PD Ranges:  Depends on version and test object and noise, 10pC to 200nC typical
  • Max. Pulse Rep. Rate:  40kHz
  • Display:  Phase Resolved Partial Discharge Pattern
  • Power:  USB and external 6VDC power supply
  • Interface:  USB PC requirement: Desktop or Notebook, Windows XP, 512 MB (min.)
  • Test Voltage Range:  15kV (DELTAMAXX 15), 20kV (DELTAMAXX 20), 30kV (DELTAMAXX 30), 50kV (DELTAMAXX 50)

Options

  • PD Module with PDCAL 20 calibrator
  • Laptop
  • Optical USB link