Multifrequency admittance (MFA) method, all-in-one earth-fault protection
ABB’s novel multifrequency admittance (MFA) calculation based protection function is currently the best earth-fault protection on the market. This uniquely reliable and award-winning earth-fault detection and protection method has been tested during multiple field tests in real networks. For more please download the white paper https://library.e.abb.com/public/0c81...