TH6002C3 - Lightning protection for residual current circuit breakers - Google Patents

Abstract

DC60 (14/05/53) Lightning damage protection for residual current circuit breakers To provide Prevents damage from lightning For residual current circuit breaker Can prevent the danger of Lightning with a magnitude of voltage traveled along the power supply transmission line. To do damage to the band Electronic circuit Used to control the operation of the leakage current circuit breaker By installing fuses Power is connected in series with the measuring cable of the voltage sensing circuit. Lightning protection for residual current circuit breakers To provide Prevents damage from lightning For residual current circuit breaker Can prevent the danger of Lightning with a magnitude of voltage traveled along the power supply transmission line. To do damage to the band Electronic circuit Used to control the operation of the leakage current circuit breaker By installing fuses Electricity is connected in series with the measuring cable of the jung to measure electricity.

Claims (1)

1. Lightning damage protector for earth leakage circuit breaker. According to this invention there is a schematic diagram. Which consists of Switch-circuit breaker set (1) built into the cutter. Leakage current Will cut the electrical circuit After receiving a signal from the detector circuit Current and voltage (2) as they have been defined The circuit breaker (1) has a contact between the power supply and the load. The circuit breaker (1) is controlled by a current and voltage detector (2) which has a current sensing circuit (5) and a voltage sensing circuit (6). Transmits a signal of the measured current or voltage. To the current and voltage sensing circuit (2), with its characteristics There is a (4) lightning damage protector which is an electric fuse. Connect it in series with the voltage measuring circuit's signal cable (6).