MAIN BREAKER TRIPPING CIRCUITTOMITA IZUMIHISADA MINORU
Protection Grade Shell is IP4X, Shell is IP2X when compartment and circuit breaker doors are open Applicable Environment: 1 - Ambient air temperature: -15°C - +40°C 2 - Altitude: ≤1000m 3 - ...
METHOD OF CONTROL OF SPURIOUS TRIPPING AND SUCCESSFUL AUTOMATIC RECLOSURE OF MAIN CIRCUIT BREAKER IN RING NETWORK LINEFIELD: electricity.;SUBSTANCE: when voltage and operating current disappears and no short circuit is available in the line of the main circuit breaker countdown is started for ...
countdown period ending it disappears then conclusion is made on false tripping of the MCB in power transmission line.EFFECT: expanding functionality by receipt of data on emergency shutdown, successful reclosure and subsequent false tripping of the main circuit breaker in power transmission line.2 ...
In fact, the incomer IED publishes the status of its circuit breaker through a GOOSE in order to enable or disable the directional protection in ring IEDs 1 and 2. In the other hand, the DER incomers publish a GOOSE message in order to modify the settings of several PTOC protections of ...