The proven "Parallel Resonant Current Fed" topology is employed to ensure highest degree of reliability and efficiency besides ensuring Constant Power tracking in a variable impedance load as commonly encountered in an Induction Melting cycle. The result is improved load factor & maximum productivity per kVA of unity demand. The Converter houses a controlled rectifier converting fixed 50 / 60 Hz AC voltage to variable DC voltage followed by a DC Link Reactor that acts as a current source of an inverter, which is turn converts DC to AC of desired frequency. The parallel Capacitor Bank that supplies the reactive power demand of Inductive load is either separately built or integrated within the converter housing, de-ionized water is employed to cool The Power Source by employing Plate type Heat Exchanger that separates it from the electrically conductive primary cooling water source.
the design offers extremely rugged construction, easy maintainability, negligible stray heating due to extensive magnetic shielding, high degree of safety due to optimum grading of electrical insulations, optional accessories such as Protective Net Guards, Closed Capture Fume Hoods, Stationery Fume Suctions Rings with Swiveling Lid, Quick Lining Removal Mechanism Pneumatically operated remote furnace charge over cum isolation switches, Load Cell Arrangement etc.
The Coil and the magnetic shield are designed using latest Electro-magnetic software programs. The result is optimum impedance matching with the Power Source and faster melting rates even with loose initial charges, besides high energy efficiency.
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