Abb Sf6 Circuit Breaker

These circuit breakers are of live tank design.

Abb sf6 circuit breaker.

The 38 72 5 kv dead tank breakers are designed to excel in a broad range of power applications. Hd4 hpa retrofit solutions for hpa circuit breaker in safesix. Circuit breakers medium voltage circuit breakers for indoor and outdoor applications with the world s most successfull range in medium voltage vacuum and sf6 gas. Service retrofitting solutions for abb sf6 gas hpa circuit breaker.

Across every market abb s circuit breakers occupy a leading position thanks to their proven reputation for reliability performance and long life. Circuit breaker sentinel cbs the cbs monitors interrupter wear integrity of the sf6 gas system the circuit breaker mechanical system the electrical control system and auxiliaries. Iec indoor sf6 gas circuit breaker hd4 superior performance for smooth protection hd4 breakers are used in electrical distribution for control and protection of cables overhead lines transformer and distribution substations motors transformers generators and capacitor banks. Iec outdoor gas insulated sf6 circuit breaker ohb medium voltage circuit breaker with mechanical operating mechanism designed for distribution systems up to 40 5 kv 2500 a 31 5 ka.

It has a dielectric performance similar to sf6 when utilized in indoor applications but with very low global warming potential gwp. The fluoroketone based sf6 alternative gas mixture is a chemical compound developed for switchgear applications by hitachi abb power grids in collaboration with 3m. We offer the widest and most modern portfolio of gcbs in sf6 technology across a range of short circuit ratings from 63 ka to 300 ka and nominal currents from 6 300 a to over 50 000 a to meet the demand of all types of power plants around the globe as well. The indian energy market has gone through impressive growth to become one of the largest in the world.

Hitachi abb power grids is the leader in design and manufacturing of gcbs since 1954 with more than 8 000 deliveries in over 100 countries. It consists of a modular microprocessor unit and sensors. The circuit breaker is shipped in special packing cases in the open position with the springs discharged and with sf6 gas pressure corresponding to rated pressure in case of 36kv rated voltage and reduced to 1 5 bar absolute for 40 5kv rated voltage. Utilizing technology pioneered by hitachi abb power grids and used across the industry today the dead tank breaker line features slipover current transformers as well as independent pole capability and self blast interrupters.