

Bv permission of llir British Thomson-Houston Co., Lid. 



ROTARY CONVERTERS 



alternating current, which is distributed at high pressure. In order that 



, t, L alternatng curren, wc s . 



^sssssss^^^^sssssss. 



ssj^rs^-r^s^ 



capacity respectively. 





By permission of the Chloride Electrical Storage Co., Ltd. 



STORAGE BATTERIES OR ACCUMULATORS 



An i stallation like the above is found in many electrical power generating stations, where it fulfils the same functions as a gas- 

 holder a r aB a work Surplus energy is stored in the accumulators, so that the reserve is available when the demand on the stat.on ,s 

 greatest! and in case of breakdown. It may even take over the whole duty of the station at tune, of Ught load, to g.ve the generatmg 

 plant a rest. 



