Three-phase current sampling circuit

• Main Authors: ZHOU YONGHONG, WANG ZHE, DENG JIANFEI
• Format: Patent
• Language: Chinese; English
• Published: 01.11.2022
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The utility model discloses a three-phase current sampling circuit, which converts large current into small current for output through three current transformers, reduces the number of the current transformers, and reduces the size and cost of the circuit. Through cooperation of an operational ampli...