Transformers are very reliable devices and can provide service for a long time if regularly maintained and serviced. They’re also the single most costly item in any substation. To protect against ...

Whenever a power or distribution transformer is isolated from the power system, it is probable that residual magnetism remains in the core due to the phase shift. However, residual magnetism also ...

Significant cost reductions and performance enhancements in planar magnetics have been introduced in recent years. These include replacing costly multilayer PCBs with lower-resistance flat coil ...