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PDDC-17 PD Decoupler
- For use with rotating machines
- Designed for PD signal transmission with a bandwidth above 30 MHz at 50 Ohm matching resistance
- PD decoupling unit with integrated PD measuring impedance for decoupling of PD pulses from the standard PD measuring circuit according to IEC 60270
- Voltage signal for phase resolved measurements
- Composite PD and voltage signal, additive superimposed
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PDDC-24—Failsafe & LF Coupler
For use with rotating machines.
- Designed for PD signal transmission with a bandwidth above 30 MHz at 50 Ohm matching resistance. It also transmits test voltage signals at the same wire.
- PD decoupling unit with integrated PD measuring impedance for decoupling of PD pulses from the standard PD measuring circuit acc. to IEC 60270
- Voltage signal for phase resolved measurements
- Composite PD and voltage signal, additive superimposed
- Integrated high-voltage fuse
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BC Matching Unit
- For use with rotating machines
- Works with your previously installed couplers for PD testing in rotating machines
- Designed to adapt conventional PD measuring methods to the 80pF-Line coupler
- Improves signals from existing couplers
- Avoids outages that would be needed to replace high frequency couplers with low frequency couplers
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LDM-5 /SP1
- For use with PDDC-range in combination with PD-Smart or LDS-6
- Splitting box designed for PD/TV-signal transmission
- Compact device with all input and output lines at the sides
- Includes fast overvoltage protection to help prevent dangerous overvoltage due to unexpected breakdown of the test sample
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Connection Boxes
- For use with LDM-5/U5
- Connection Boxes are designed for PD/TV-signal transmission and diplexing
- Two and three channel connection box options
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DA100 Directional Antenna
- For use with PD and RFI Surveyors
- Provides more specific location of Radio Frequency Interference (RFI) and Partial Discharge (PD) sources.
- Can be handheld or mounted on tripod
- Bandwidth 250 MHz – 1 GHz
- Diameter: 290 mm
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HFCT-300 sensor
- For use at cable terminations
- Hand-held split-core sensor specially designed for coupling out high frequency PD-signals
- Applicable for PD tests on any part of the PD signal loop between the insulation electrodes where the outgoing and incoming signals do not cancel each other out
- For highly sensitive PD measurements with superposed line currents or high reactive currents (50/60 Hz) which can reach up to 300 A
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LDWS-T Sensor
- For use at HV cable terminations
- For decoupling of PD signals (TNC-socket)
- High impedance version
- For ungrounded and grounded devices
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UHF Drain Valve Sensor DN50/DN80
- For use with HV Transformers
- Designed for decoupling of electromagnetic PD signals from inside of transformers
- Sensor fits into DN 50 or DN 80 drain valves
- Supports “Performance/Sensitivity Check” where high frequency test pulses can be injected with further integrated electrodes
- Grounded sensors (for low frequencies)
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UHF PD Plate Sensor
- For use with HV Transformers
- Used for the decoupling of electromagnetic UHF PD signals from the inside of the transformer tank
- Designed to retrofit transformers that do not have oil flanges with free internal tubes
- Can be installed on new transformers during manufacturing
- Used for testing and optimizing mechanical properties such as oil-tightness, thermal withstanding of changing temperatures and pressure withstanding
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TEV-Probe
- For use in GIS
- Capacitive sensor for metalclad switchgear
- Connects to PDS100/PDS200/DFA300 and PD-Smart
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UHF Spacer Sensor
- For use in GIS
- Antenna for polymeric spacers or glass inspection windows
- The sensor can be placed across a joint on a GIS to find evidence of partial discharge inside
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Sensor Pre-Amplifier
- For use with all kind of UHF sensors
- High sensitivity and high gain sensor amplifier
- Special protection circuitry protects the input against excessive input power
- Integrated soft start reduces the maximum peak current when powering up
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