Analysis of ZigBee technology and combined with the situation of electrical power system,making use of the ZigBee technology to be composed of the wireless sensor network to monitor various information of power plant is a relatively good solution,will become the trend of power plant monitoring development.The ZigBee technology radio-frequency signal can invade power plant equipment to produce the high frequency harmonic,and the harmonic going beyond standard is able to affect security and economical operati...