BSENS

Bushing Sensor

Optimizing Transformer Efficiency with Precise Real-Time Bushing Insights

Our bushing sensor is engineered to provide real-time data on the health and performance of transformer bushings by detecting critical parameters such as leakage current, capacitance, and partial discharge, enabling early fault detection and prevention.

Features
  • Durable in demanding environments
  • Supports monitoring of up to six bushings
  • Captures high-frequency partial discharge signals
  • Custom-designed for various bushing tap configurations
Benefits
  • Simplified System Integration
  • Easy Commissioning
  • Supports High Voltage Applications
  • Wide Measurement Range
  • Early fault detection
  • High Compatibility
  • Reliable Diagnostics
Applications
  • Condensing/Capacitive Type Bushings
  • Transformer Bushings
  • Breaker Bushings
Technical specifications

Electrical Parameters

Measurement Parameters
Leakage Current = 1mA to 200 mA (Accuracy +- in %) Reading
Power factor/Dissipation factor = 0 to 100% + 0.045%
Capacitance = 10 to 1000 pF (+ 1.0% of reading)
Phase Angle of imbalance Current = 0 to 360° (+ 1.0% of reading)
Partial Discharge: 100 kHz to 25 MHz
Signal Cable

RG223

Maximum Impulse 8/20 µs surge current

20kA, 10 operations

Maximum short-circuit power frequency current (RMS)

130 Arms, 11 cycles 50/60 Hz

Maximum output voltage at OUT connector limited by surge protection

< 37 V

Bushing Tap Earthing Protection

Double Protection against any loss to the grounding connection

Over voltage protection

Gas discharge tube-Primary 600 V, 400 V secondary

Environmental Specifications

Vibration Testing (IEC 60068-2-6)

20 sweeps of 9G force in 6 degree of freedom

Ingress Protection (IP) (IEC 60529)

IP 66 (Protection against moisture ingress)

Operating Temperature

-40°C to +95°C

Storage Temperature

-40°C to +85°C

Humidity

95% Relative Humidity

Others

Mechanical Specifications

Stainless Steel, Brass nickel-plated, Polyoxymethylene (POM), Nitrile butadiene rubber (NBR)

Product Drawing

Ordering Code

Our Presence Across the Globe

Head Office

CANADA
1415 Frank-Carrel, Suite
230, Quebec, QC – G1N
4N7, CANADA