Load automatic selection thrown cut device based on single chip microcomputer control

• Main Authors: SUN LEI, ZHANG MIN, ZHANG CHANGLU, GUO TINGHUI, XU LANFU, SHI FENGQI
• Format: Patent
• Language: Chinese; English
• Published: 27.03.2018
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model relates to a load automatic selection thrown cut device based on single chip microcomputer control. Include that electric connection's alternating voltage sample becomes power transmission way in proper order, MCU processing ware and output control circuit, the alternating voltage sample becomes power transmission way and is connected respectively with the triple line, the alternating voltage sample becomes the current -limiting resistor of power transmission way including electric connection setting in proper order, the high -precision current mutual -inductor, the precisionis examined and is banished man of great talent and AD converter, 51 singlechips of MCU processing ware, output control circuit includes electric connection optoelectronic coupler in proper order, prevent the short circuit current, solid -state relay and earth -leakage protector. The utility model discloses a three -phase output load, so reduce the neutral current, reduce electrical power loss, improve quality of supply,