. Electrical world. rings about the engines. The switchboard, which was also supplied by Dick. Kerr & of twenty-five panels of white marble, controlling, besidesthe three 500-kw generators, a negative feeder booster set of 20-kwcapacity, a positive feeder booster set of 6o-kw capacity, an auto-matic reversible battery booster set of 40-kw capacity, the stationlighting and motors and the distribution. The battery is composed of 240 cells of the Standard Tudor pat-tern type No. 413 HF ig. It is capable of giving 600 amp. for onehour, or 900 amp. for short periods, and can be charged
. Electrical world. rings about the engines. The switchboard, which was also supplied by Dick. Kerr & of twenty-five panels of white marble, controlling, besidesthe three 500-kw generators, a negative feeder booster set of 20-kwcapacity, a positive feeder booster set of 6o-kw capacity, an auto-matic reversible battery booster set of 40-kw capacity, the stationlighting and motors and the distribution. The battery is composed of 240 cells of the Standard Tudor pat-tern type No. 413 HF ig. It is capable of giving 600 amp. for onehour, or 900 amp. for short periods, and can be charged normallyat 270 amp., or at 450 amp. for short periods. The cells are in lead-lined wood boxes, resting on glass oil insulators. The stands areentirely of pitch pine without any metal fastenings, and rest onlarge porcelain oil insulators. The battery is used in connection witha reversible booster controlled by means of a Thurys patent reg-ulator. This booster has a smooth armature core and tangential K t^ I €^. FIG. 6.—VIEW OF INTERIOR OF CAR MOTOR. field coils. As the armature winding is placed as near as possible tothe periphery, and as the field iron is reduced to its possible minimumamount, the machine is most sensitive, and is claimed to act almostas quickly as the load peaks occur. The overhead equipment has been designed and arranged with aview to obtaining the greatest possible immunity from break-down,also that the fittings should appear as artistic as possible. The designof pole ornamentation was prepared by Mr. Mawbey in conjunction with the Leicester Art School. Span wire construction has beenadopted generally, but where streets and roads are wide enough centerpoles have been introduced, as shown in Fig. ^. In the center ofthe town, where suitable attachments could be obtained, poles havegiven way to rosettes, except at junctions, these being erected on polesthroughout. Each center pole has been fitted with two incandescentgas lamps, and the vase is protected by
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
