. Electric railway journal . rrent from the transmission lines on the step-down sides of the transformers in the Jordan substation,with provision for the parallel operation of the Jordan tur-bine set, and distribute it throughout the Salt Lake districtthrough numerous outgoing feeders handling all branchesof railway, lighting and power service. Three 50-kw, 4400to 220 and no-volt transformers supply current from thebusbars for general lighting and power service within theJordan station. 2000-KW WATER RHEOSTAT A special feature of the plant operation is the use of awater rheostat when artificia
. Electric railway journal . rrent from the transmission lines on the step-down sides of the transformers in the Jordan substation,with provision for the parallel operation of the Jordan tur-bine set, and distribute it throughout the Salt Lake districtthrough numerous outgoing feeders handling all branchesof railway, lighting and power service. Three 50-kw, 4400to 220 and no-volt transformers supply current from thebusbars for general lighting and power service within theJordan station. 2000-KW WATER RHEOSTAT A special feature of the plant operation is the use of awater rheostat when artificial loads are required. In com-mon with several other plants in the West which operatehydroelectric stations in parallel over long transmissionlines, the company finds it desirable at times when the loadis lost wholly or in part to throw a water rheostat havinga large percentage of the capacity of the generating sta-tion directly upon the busbars, such a course being a de-cided aid in maintaining speed and renewing synchronous. Jordan Power Station—Benchboard, Instrument Board and Dis-tributing Board relations with other plants. At the Jordan plant the rheo-stat has a range of from o to 2000 kw, and it consists of 990 ELECTRIC RAILWAY JOURNAL. [Vol. XXXVIII, No. 19. three 2-in. iron pipes surrounded in sewer tile 30 in. aparton centers, the pipes being 4 ft. long and set into a con-crete well 7 ft. square and 5 ft. deep. Each pipe is con-nected through an oil switch with a corresponding bus-bar of the three-phase system of the plant, and the raisingand lowering of the pipes into the water is effected by aDickerson oil governor mechanism, driven by a 2-hp in-duction motor. Fresh water is used in the rheostat, as theriver water is unsuitable on account of the tendency whichits low resistivity creates to produce excessive loads. Theplant contains a double exciter bus set, and the system volt-age regulation is handled by a Tirrill regulator mountedon the distributing board in the s
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