SF6 Gas Filled Standard Capacitor Based Capacitance & Tan-Delta Calibrator

PE‐SCGF‐100/50

SF6 Gas filled Standard Capacitor : 100 pF
This calibrator is capable of calibrating capacitance up to 100 pF and Tan delta is up to 1 % and applied voltage is 10 kV. Measurement capability of this calibrator is 0.05 % for Tan delta and 0.17 pF of capacitance.

SF6 Gas filled : Standard Capacitor : 1000 pF
This calibrator is capable of calibrating capacitance up to 1000 pF and Tan delta is up to 10 % and applied voltage is 5 kV. Measurement capability of this calibrator is 0.05 % for Tan delta and 2.7 pF of capacitance.

Specification

  • Rated Voltage- 100kV
  • Test Voltage- 120kV
  • Capacitance- 100 pF + 1%
  • Tan Delta- < 5 X 10‐5 (0.00001 or 0.001%)
  • Frequency Drift- < 1 X 10‐5 (0.00001 or 0.001%)
  • PD level- < 5pC
  • Gas Pressure- 350 + 50 kPa
  • Operating Temp- minus 5°C to +45°C
  • Humidity- < 75% RH
  • Temp Coefficient- 3 X 10‐5/°C
  • Pressure Coefficient- 2.2 X 10‐3/kPa

Description

Insulated Standard Capacitors are indispensable in every modern high-voltage laboratory and test field where it occupies a wide range of important functions. The SF6 insulated standard capacitor is used as Capacitance standard in measuring bridge circuits to measure the Dielectric Dissipation Factor (Tan-Delta) of all types including cables, capacitors, bushings, instrument transformers and power transformers.

Further-more, It can be used as high-voltage capacitor for voltage divider circuits for high-voltage transformer test. Power Electronical standard capacitor’s insulation is of the highest accuracy and reliability. The result reflects a true advantage in high voltage measurements especially at high humidity levels.

The SF6 insulated Standard Capacitor is also used in conjunction with our Capacitance and Tan Delta measuring bridges (e.g. PE-ACDF-1, and PE-MCDF-6) as a comparison standard for exact measurements of the Capacitance and Tan-Delta of HV equipment like cables, transformers, bushings, capacitors, etc.

The capacitor is provided with a top electrode which allows partial discharge free interconnections to the other elements of the HV circuit.

The SF6 insulated standard capacitor is designed for indoor service and is portable. The standard capacitors of the SCGF series are used for:

  • Exact measurements of the capacitance and tan delta
  • Exact measurements of AC voltages (AC divider)

Standard Accessories

  • Standard Capacitor with top electrode- 1 no
  • Dimensions- 1100mm(H)×450mm (diameter) with base
  • Weight- 30kgs (approx.)
  • Mobile base frame- 1 no
  • Test Report- 1 no

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