News

The global power equipment market is highly competitive, and technological innovation is the core competitiveness. Led by innovation, Dalian Xin 'a...

When data becomes the core productivity globally, power security is the "lifeline" of the digital world. Changzhou Xidian selects six sets of high-...

A combined instrument transformer primarily consists of a voltage transformer and a current transformer mounted on a common framework to form an in...

Demand growth is driven by new energy and smart grids: the integration of intermittent power sources like wind and solar requires more precise curr...

The primary current range typically spans from tens to thousands of amperes (e.g., 160–1250 A, 1000–5000 A), while the standard secondary current i...

Determining the accuracy class and the required number of units per circuit for current transformers involves more than just selecting the accuracy...

During operation, the magnetomotive force generated by the secondary current largely cancels out that generated by the primary current, resulting i...

The terminal box is equipped with a single-phase, three-pin (220V, 16A) power outlet and a maintenance light to facilitate daily inspection and ser...

Combined instrument transformers typically consist of an iron core, primary and secondary windings, and insulating materials.

High-precision measurement: Utilizes high-quality silicon steel cores and low-loss winding materials; measurement error is typically controlled wit...

Combined instrument transformers are widely used in the following scenarios:

Ensure that secondary-side interfaces (such as terminals and output signals) are compatible with existing metering instruments or protection devices.