Publication: Western Electrician
Chicago, IL, United States
Distribution of Niagara Power at
BY ORRIN E. DUNLAP.
The city of Niagara Falls is again talking of a power celebration, to be held some time next summer. There is also some talk of having the two power companies light the streets connecting the two power districts with a double row of lights, so that a grand display of Niagara's electrical energy may thus be made. The successful inauguration of the transmission project to Buffalo, described in the last issue of the WESTERN ELECTRICIAN, has increased the interest and enthusiasm of the people of Niagara Falls, if that were possible. Enough has already been said about this event, but some account of the commercial negotiations leading up to it may not be uninteresting.
The Niagara Falls Power company's contract with the Buffalo Street Railway company calls for the delivery of 1,000 horse power at $36 per horse power. This power will be taken from the copper bus-bars into which the big generators deliver their product in the power house. In connection with this installation it may be stated that the General Electric company entered into three separate contracts, and therefore three separate companies are interested in the apparatus installed. The first contract was made with the Cataract Construction company. This contract was for three air-blast transformers, blower motor and switchboards. Each of these transformers is of 1,250 horse power capacity, and any two of them can be used to transform 2,500 horse power delivered to them in two-phase currents at 2,200 volts to three-phase currents at either 11,000 or 22,000 volts. In these transformers the coil connections are so arranged that the change in the voltage from 11,000 to 22,000 can be easily effected. Both the primary and secondary connections of this power of transformers lead to a switchboard. The low-tension board is fitted with switches and fuses, while the high-tension board is fitted with switches, fuses and current indicators. Under the contract with the Cataract Construction company the General Electric company has installed the transformers with all cables, connections, etc., from the generators in the power house to the transmission line. Lightning arresters have been placed in a small building on the south side of the transformer house at the point where the cables leave the building. The third transformer furnished under this contract is held in reserve. The design adopted for the Niagara installation is such that it can be extended until the full capacity of the transformer house is reached. The transformers are unassuming machines. The two now in place stand at the eastern end of the transformer room and are supported on an iron framework, their bases being eight feet below the floor of the transformer house. The space below them is practically an air-tight enclosure through which all connections to the transformers are made. In the pit below the transformers there is ample room for
walking about, all conductors and connections being supported on large porcelain insulators and iron brackets. The connections to the transformers are made so that they can be detached without much trouble, and at any time when it is found advisable to sub