Y Series current transformer

Product Overview

A CT is driven by electromagnetic induction and is made composed of a secondary winding (many turns, attached to safety or measurement devices) and a main winding (few turns, connected in series with the high-current circuit). While the secondary winding, which is usually standardized to 5A or 1A for most industrial uses, receives a relatively modest current, the primary winding receives a significant current. This proportionality, also known as the transformation ratio, guarantees precise current measurement without subjecting workers or equipment to potentially hazardous voltages.

CTs must have high precision (a need for energy metering), robust linearity (to minimize measurement distortion), and insulation strength (to maintain high voltage between windings). The secondary winding should never be open-circuited while using a CT. This is because an open circuit can generate extremely high voltages, which can harm electronics.The To summarize, current transformers are critical to ensuring the dependability, efficacy, and safety of modern electrical systems because they provide accurate current monitoring and enhanced fault protection.

Technical Parameters