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