High Voltage DC (HVDC) Applications

The RCTi can be used in a wide variety of HVDC operations. Ostensibly it is used to monitor the steady state AC current inside the valve/switch enclosures or on switch modules but it is also capable of monitoring large overloads with very high di/dt (over 1000A/µs) for protection purposes. The RCTi probe is particularly suitable for this application as there is no loss of accuracy or damage when monitoring these over-load surges and the coil can be small.

In several HVDC applications fully customising and miniaturising both the Rogowski coil and electronics provides for a low cost sensor.