Storage applications
A. Ter-Gazarian · Institution of Engineering and Technology eBooks · 1994
A typical electricity bulk supply power system consists of central generating stations (supply side) connected to a transmission system. This bulk supply system is joined to the distribution system which comprises a subtransmission system of primarily distribution feeders and secondary circuits. An energy storage unit can be connected to the transmission, subtransmission or distribution system in a manner similar to customer-owned conventional or renewable generation facilities such as gas or wind turbines. These dispersed sources are able to change the character of a typical electricity power system completely. With any addition of dispersed generation facilities, whether they are customer owned or utility-owned, the impact upon planning, control, protection and operation of the traditional distribution system and the bulk power transmission system has to be closely investigated. In an electricity power system based on thermal, nuclear, hydro and renewable generation, storage will find a wide field of application and may perform various duties, which must be taken into consideration in order to gain the largest possible advantage in optimisation of the supply side.