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Address
304 North Cardinal St.
Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
A power transformer is a type of stationary electrical equipment used to convert an alternating voltage or current of a certain value into a voltage or current of the same frequency but a different value, thereby enabling the efficient transmission and distribution of electric energy.

Industrial Manufacturing Transformers | Heavy Load & Harsh Environment Solutions Comprehensive guide to industrial manufacturing transformers—heavy load handling, harsh environment protection, oil-immersed S13/S20 models, short-circuit withstand, and maintenance tips for JGELEC clients. Industrial manufacturing facilities—including factories, refineries, chemical plants, and…

How to Select a Transformer for Solar/Wind Renewable Energy Projects? Transformer Selection for Solar & Wind Renewable Projects Complete guide to selecting transformers for solar PV and wind farms. Learn about kVA matching, voltage step-up, harmonics, dry vs oil, and…

Dry-Type vs Oil-Filled Transformers Full comparison between dry-type and oil-immersed transformers. Learn pros, cons, cost, safety, maintenance, best applications, and which to choose in 2026. When selecting a distribution transformer, buyers often struggle to choose between dry-type and oil-immersed models.…

Distribution Transformer Sizing: kVA Calculation & Selection Step-by-step guide to distribution transformer kVA calculation. Learn the formulas, load estimation, safety margins, standard ratings, and how to select the right transformer. Correct transformer sizing is essential for reliable power distribution in…

How to Choose the Right Transformer A complete buyer’s guide to choosing the right distribution transformer. Learn about kVA sizing, dry-type vs oil-immersed, voltage, Dyn11 vector group, IEC standards, and FAQs. Selecting the right distribution transformer is one of the…
Oil-Immersed Transformer Home Oil – Immersed Transformer Oil immersed transformers are voltage conversion devices that use oil to keep the transformer cool. This type of transformer structure is mounted in a welded steel oil tank filled with oil. Due to…
Dry Type Transformer Home Dry Type Transformer A dry type transformer is a motionless piece of equipment that uses environmentally acceptable temperature insulation systems. They are also known as “cast resin type transformers.” The transformer is housed in a case…
Distribution Transformer Home Oil – Immersed Transformer Oil immersed transformers are voltage conversion devices that use oil to keep the transformer cool. This type of transformer structure is mounted in a welded steel oil tank filled with oil. Due to…
Oil-Immersed Transformer Home SFZ11 35KV Loaded Oil-Immersed Power Transformer SFZ11-35kV series on-load oil-immersed power transformers are high-efficiency, energy-saving distribution equipment with on-load voltage regulation function, designed for 35kV power systems, widely used in small and medium-sized substations, industrial and mining enterprises,…
Oil-Immersed Transformer Home S11 35KV Oil-Immersed Power Transformer S11-35kV series oil-immersed power transformers are high-efficiency, energy-saving distribution equipment designed for 35kV power systems, widely used in small and medium-sized substations, industrial and mining enterprises, urban power grids and other power distribution…