Generator Instrumentation

Coupling capacitors for partial discharge measurement

• Nominal voltage 7.5/12/17.5/24 kVrms
• Embedded quadrupole with reference voltage output
• Embedded overvoltage protection
• Capacity 1000 pF

Optical accelerometers for end-winding measurement

• Resistive against high electromagnetic field
• Great electric isolation (more than 65 kVrms)
• Double output - displacement and acceleration
• Ouput sensitivity: acceleration 100 mV/g

Rotor magnetic flux sensors

• The sensor core is a search coil, detecting passing of every rotor winding coil
• Each sensor is manufactured individually according to generator construction

Coupling capacitors for partial discharge monitoring

• Nominal voltage (between phases) 16 kVrms
• Epoxy-mica
• Usage for hydro and turbogenerators and large industrial motors

Temperature transmitter for HV optical sensors

• 3 channels
• Analog output: 4 ... 20 mA
• Measurement range: -40 °C ... +200 °C
• System accuracy: ±1,0 °C

Temperature transmitter for HV optical sensors

• 6 channels
• Analog output: 4 ... 20 mA
• Measurement range: -40 °C ... +200 °C
• System accuracy: ±1,0 °C

Fiber Optic Temperature Probe

• Durable and high dielectric strength materials
• Installation possible on bus bars, motors, generator windings...
• Reliable and noise-free measurement
• Safe operation to 38 kV, 3 phases