Omicron CP CU1 Coupling Unit for Line and Ground Testing

Measure line impedances, k-factors and ground impedances

The Omicron CPC 100 + CP CU1 measures line impedances and k-factors on overhead lines and power cables. Ground impedances can also be determined on large systems with the CP CU1, as well as touch and step voltages.

Mains frequency malfunctions do not influence the measurements, as the CPC 100 + CP CU1 use variable output frequencies for measurements. This enables extremely precise and reproducible measurement results. To increase safety for the test engineer, the CP GB1 grounding unit is supplied with the CP CU1. This can divert up to 30 kA currents if its voltage limit value is exceeded.

Key Features

• Measurement is not affected by mains frequency interference – extremely precise measurement results are obtained
• Compliance with the strictest safety standards for overhead lines and cables connections – diverting currents up to 30 kA
• Easy to handle – heaviest component: 29 kg
• Automatic logging: Results are recorded automatically by the software

Applications

• Line impedances and K-factors of overhead lines or high-voltage cables — This device is essential for analysing transmission network stability and efficiency. Accurate assessment of these parameters is crucial for effectively managing and maintaining high-voltage electrical systems.
• Ground impedances of large systems — The Omicron CP-CU1 ensures safety and reliability in substations and power plants. Accurate ground impedance measurements prevent faults and enhance performance in complex electrical networks.
• Step and touch voltages — This device is crucial for electrical safety assessments, especially in public and work areas. This feature guides improving safety standards in electrical installations by identifying potential electrical shock risks.
• Mutual coupling of parallel overhead lines — The CP-CU1 is key in understanding electromagnetic interactions between lines. This is essential for minimising interference and optimising the efficiency of power systems.
• Coupling of power lines into signal cables — This equipment is used to mitigate interference in communication and control systems. It ensures signal integrity, especially in areas where power and data lines coexist closely.

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