SYSTEM AND METHOD FOR POWER DISTRIBUTION NETWORK MONITORING, OPTICAL FIBER COMPOSITE POWER DISTRIBUTION CABLE THEREOF

摘要

PURPOSE: A distribution network monitoring system, a method thereof, and an optical complex distributing cable therefor are provided to measure the distribution temperature of each distribution section by monitoring the distribution temperature of each distribution section with optical fiber, setting an optical transmission route with an optical switch, and transceiving an optical signal through the route. CONSTITUTION: A transmitting unit(10) transmits a optical transmission route control signal and an optical signal for distribution temperature measurement. An optical complex distributing cable(20) is composed of an optical transmission line(22) and a power line(21). An optical switch(32) switches an optical transmission route according to the control signal. A signal receiving unit(40) receives the optical signal reflected through the optical transmission line. The signal receiving unit calculates distribution temperature based on the received optical signal. [Reference numerals] (10) Signal transmitting unit; (11) Control signal transmitting unit; (12) Optical signal transmitting unit; (13) Control unit; (20) Optical complex distributing cable; (21) Power line; (22) Optical transmission line; (23) Control line; (30) Connecting unit; (31) Distribution connector; (32) Optical switch; (33) Control signal; (40) Signal receiving unit; (41) Optical filter; (42) Photo diode; (43) Amplifier; (44) Calculating unit; (45) Display unit; (a,b) Load a