Title: Power supplying method of distribution type duplex power sources
Application Number: 200610086200 Application Date: 2006.09.11
Publication Number: 1917328 Publication Date: 2007.02.21
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H02J9/00;H02J11/00;H02M7/06;G05F3/08
Applicant(s) Name: Guodian Nanrui Tech Co., Ltd. Address:
Inventor(s) Name: Chen Jianyu;Yu Zhuofei;Sun Chao
Attorney & Agent: dong jianlin xue baai
Abstract:
    The invention takes following measures: station power supply and voltage transformer together provide voltage source so as to reduce burden of voltage transformer; based on properties of load to classify outputs; different combinations among station power supply, voltage transformer and current transformer undertake power supply for auxiliary function, and key protection measuring and controlling function respectively; using cascade connected mode for output ends of rectifier realizes voltage stabilized output of current source. Advantages are: no need of the dedicated current transformer, and ferro resonance type voltage stabilizer, in which secondary rated current is small current; maintaining and satisfying requirement for source power by protection measuring and controlling device in full functional electric system in middle and low voltage; guaranteeing stabilized output of current source under each short trouble within protection range.
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