DIFFERENTIAL PROTECTING DEVICE INCORPORATING A MEANS FOR ISOLATING A RELAY OR ANALOGOUS

• Main Author: CHETOUANI HI
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2018
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The subject of the present invention is a differential protecting device that makes it possible to detect a fault current in an electrical apparatus, with a set of functional means (3, 3', 3", 3''') for measuring, processing, evaluating and controlling and a breaking means (4) that in particular has a characteristic braking power, that is connected to the output of said functional set (3, 3', 3",3''') and that is intended to be triggered by the control signal, this device (1) being characterized in that it furthermore incorporates a least one selective isolating means (6) that is able and intended to electrically isolate said breaking means (4), at least with respect to said functional set (3, 3', 3", 3'''), selectively. 本发明的主题是种差动保护设备，其使得可能检测电气装置中的故障电流，所述差动保护设备具有用于测量、处理、评估和控制的组功能部件(3、3'、3"、3"')、以及具体具有特性断路功率、连接到所述功能组(3、3'、3"、3"')的输出、并且旨在用来由控制信号触发的断路部件(4)，此设备(1)的特征在于，其进步合并至少个选择性隔离部件(6)，所述选择性隔离部件(6)能够并且旨在用来至少相对于所述功能组(3、3'、3"、3"')选择性地电气隔离所述断路部件(4)。