IMPULSE LIGHTING ARRESTER FOR ELECTRIC POWER LINE (MODIFICATIONS) AND COLUMN OF IMPULSE ARRESTERS Russian patent published in 2002 - IPC

FIELD: high-voltage impulse equipment. SUBSTANCE: the arrester consists of a network of discharge modules series-connected between two terminals. Nonlinear resistors are used in the arrester for equalization of voltages at all the discharge modules. The output of each odd discharge module, except for the last one, is coupled to one terminal via one of the mentioned resistors, and the output of each even discharge module is coupled to the other terminal via another of the mentioned resistors, and the values of the resistors satisfy relations R_c>R_c+2 for odd K; R_c<R_c+2 for even K, where - the resistor ordinal number. EFFECT: minimized protective level of the arrester and obtained quiet volt-ampere characteristic, providing a high reliability of protection. 25 cl, 8 dwg