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Furnace & Rectifier Transformers
Custom-Designed
Drawing on its cutting-edge design technology and extensive experience, Kitashiba designs furnace and rectifier transformers that satisfy diverse customer needs.
Secondary terminal arrangements and connections
Top cover mount / 3-phase in-line configuration
Open
Side tank mount / 3-phase triangular configuration
Closed
Various cooling methods
Water-cooled oil cooler + oil pump Single-tube or double-tube cooler
Forced-oil, forced-air (OFAF) transformer cooler
Oil-immersed self-cooled panel radiator
Oil-immersed forced-air-cooled panel radiator + cooling fan
Voltage control and tap changing methods
Reliability
Incorporating advanced design and manufacturing technologies, Kitashiba’s furnace and rectifier transformers provide high quality and long life. Kitashiba offers products that satisfy customers through a high level of dust control, outstanding drying technology, and stringent quality control.
Superior manufacturing technology and quality control
Manufacturing process
Core machining
High-precision machining and core stacking using core machining unit
Coil winding, and core and coil assembly
Coil winding, and core and coil assembly in dust-controlled room
Tank assembling, welding, and painting
Material processing, tank assembling, welding, and painting are performed at our own factories.
Drying core and coils
Final drying (vapor-phase drying) after assembling core and coils
Tanking and external assembly
Controlled air exposure for tanking and vacuum oil filling
Testing
Tests using automatic measurement system
Shipping
Disassembled and shipped by trailer, rail and/or boat according to transportation conditions
Simplified maintenance
Kitashiba’s furnace and rectifier transformers simplify maintenance requirements for customers. Therefore, customers can reduce the downtime due to maintenance.
Reduced maintenance items
A non-pressured sealing method is provided to prevent oil deterioration. On-load tap changers with vacuum interrupters eliminate the need for an on-load oil purifier.