Data centers require electrical systems that support continuous operation, changing load profiles, and carefully coordinated power paths. A dry-type transformer may be installed between medium-voltage distribution, UPS equipment, low-voltage switchgear, or other parts of the facility power system.

A dry-type transformer must be installed according to both its electrical design and the conditions of the site. Transport, foundation, ventilation, cable routing, grounding, working clearance, fire protection, and maintenance access can all affect the transformer's long-term operation.

Cast resin and VPI transformers are two different approaches to dry-type transformer insulation. Both are designed without liquid insulation, but their winding treatment, environmental behavior, inspection requirements, and project suitability can be different.

Sizing a transformer requires more than matching the equipment to the largest load on a project. The selected transformer must support the expected demand, starting conditions, voltage, phase arrangement, power factor, harmonics, installation environment, and future expansion.

Hospitals require electrical systems that support critical loads continuously and reliably. Medical equipment, operating areas, patient-care spaces, ventilation systems, lighting, communication equipment, and building services may all depend on a carefully coordinated power-distribution system.

Industrial transformers installed in demanding environments must be selected according to more than voltage and capacity.