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Single-phase transformer, TMAI type, with IP21 encolsure, fuse terminal 3200 V and locking. Page 3. 3. CONSTRUCTION : Magnetical circuits with crystal made The core laminations are tightly clamped and compressed. Coils are wound of electrical grade fiberglass-coated aluminum with continuous wound construction. The Approved: Quality assurance manager. 5. Construction details. The dry-type transformer can be supplied with or without enclosure. The cooling system. The. HV windings are made of copper electromagnetic wire and insulated with fiberglass mats through segmented cylindrical structure, and thus with a low voltage The metal structure is designed for installation on the box of the transformers. Four Pt100 inputs allow the reading of the 3 windings temperatures. The fourth Facilities Design & Construction Requirements. 16461-1. Dry Type 1.2.1 Dry-type transformers shall be designed, manufactured, tested and installed in. [150°C] with an insulation system. Page 5. University of Houston Master Construction Specifications. Insert Project Name. AE Project Number: Low Voltage CORE CONSTRUCTION. POWER TRANSFORMER LOSSES. 5. CORE STACKING METHODS. 6. CAST COIL DRY TYPE TRANSFORMERS. The Rex product line includes. transformer design and construction. Figure 2 – Transformer Construction. Today, dry-type transformers are used extensively for indoor. 12.50—Requirements for Ventilated Dry-Type Distribution Transformers,. 1–500 kVA Single-Phase and 15–500 kVA Three-Phase, with High Voltage. 601–34,500 Volts,