Title: Power control system for electric arc or refining furnace electrically directly coupled to independent power generating unit or units

Abstract: A power control system is disclosed for an electric arc or refining furnace circuit to which is supplied power directly from an independent power generating unit or units installed independently of a publicly available power supply system or any other power generating unit. Depending upon the operating conditions of the furnace, the power supply is controlled by the suitable adjustment of the generator voltage or frequency or by the combination thereof based upon the relations V = K..PHI..n where V = generator voltage, K = constant, .PHI. = flux density and n = operating speed of a prime mover mechanically coupled to each generator, and f = p.n/60 where f = frequency, and p = number of poles in each generator.

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Inventors: Nanjyo, Toshio (Yokohama, JA)
Yasukawa, Shozo (Yokosuka, JA)

Application Number: 515170
Filing Date: 1974-10-16
Publication_date: 1976-04-20
Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha (Tokyo, JA)
Primary Class(es): 373/104 219/134
Other Classes:
US Patent Ref:

3183294	May, 1965	Kasper	13/12.
3743752	Jul, 1973	Furuhashi	13/12.

Other Refs:
Primary Examiner: Envall, Jr., R. N.
Assistant Examiner:
Attorney: Scrivener Parker Scrivener & Clarke