Patent ID: 7110833

Claim:
A power plant operation system for operating power plant equipment at a plant worksite through a central control room, and a network, comprising: an operation terminal positioned in the worksite for generating a request signal to operate the plant equipment at the plant worksite, the request signal including information concerning on-site operation at the worksite; a plurality of wireless transceivers located at appropriate points at the plant worksite for carrying out wireless communication between the operation terminal and a nearer one of the transceivers to receive the request signal generated by the operation terminal, the wireless transceivers being operatively connected to the network for transmitting the received request signal to the central control room; and a control device connected to the network for carrying out the operation of the plant equipment according to the request signal transmitted from the operation terminal through the network; wherein when a tag for prohibiting the operation of the plant equipment is set/canceled by the request signal generated by the operation terminal, information concerning the setting/cancellation of the tag is transmitted to the central control room and is displayed and outputted by a display device and a sound device.