Current transformers installation technology
Nanocrystalline materials vs permalloys
Nanocrystalline materials are a new generation of advanced soft magnetic alloys used to control and convert electricity. Heat treatment and the addition of Niobium means they have a crystal size below 10 nanometers, which results in high permeability, low losses, and high induction under a wide range of frequency environmental and mechanical conditions.
Nanocrystalline materials have application in all parts of the electricity network from renewable generation to the final user.
Nanocrystalline materials have application in all parts of the electricity network from renewable generation to the final user.
Discover why nanocrystalline materials can be the material of choice for current transformers.
Current transformers are current sensing units designed to reproduce a current in its secondary winding to help manage the current being measured in its primary. The secondary current is proportional to the current flowing in its primary winding, cutting down high voltage current to safe level to provide a convenient way of supervising AC flow.
They are used to measure and control current and are installed in electrical meters and protective relaying with circuit breakers. Current transformers for electrical meters are used for both industrial and domestic applications. At industrial electric power distribution level, they facilitate safe measurement of large currents.
They are used to measure and control current and are installed in electrical meters and protective relaying with circuit breakers. Current transformers for electrical meters are used for both industrial and domestic applications. At industrial electric power distribution level, they facilitate safe measurement of large currents.
Why current transformers?
Current transformers are experiencing strong and continued demand, as they are the best possible current measuring alternative. See more current measuring alternatives.
More Effective
Rising grid complexity across electric infrastructure, reak electricity demand from end users, renovation of aging infrastructure, as existing networks are unable to meet demand, alternative energy programs require additional current transformers, large investments in smart grids, efficiency and safety requirements
Current transformers: Core composition
Optimal core properties of current transformer are essential for accurate current measuring: high linearity, high permeability, high saturation flux density, low errors, high temperature stability and low core loss.
Nanocrystalline (3 at.% Nb) and Permalloy (80% Ni) cores provide the best characteristics for maximum accuracy.
Nanocrystalline (3 at.% Nb) and Permalloy (80% Ni) cores provide the best characteristics for maximum accuracy.
Interested in learning more about Niobium nanocrystalline materials and current transformers?
Download the technical report now.