Boosting steel industry management by increasing the lifetime of assets and reducing operating costs, the newly released VD4-AF1 is the first medium-voltage (MV) circuit breaker with servomotors, enabling precise drive control and true inrush free transformer switching for applications up to 38kV.
It also improves asset protection and maximizes output by extending equipment life by more than 10 percent over three years and allows up to 5-to-10-times higher endurance than the market standard.
Steelmaking is one of the most severe applications for any circuit breaker, due to the rigors and extreme processes in an electric arc furnace. Such extremes can impact the health of the transformer and the assets of the plant, causing costly maintenance, downtime and reduced plant efficiency.
The new all-in-one compact device means that the equipment previously required to resolve the challenges of the environment are no longer needed, leading to significant cost and space savings in plants that usually suffer from heavy equipment costs.
“With a firm focus on designing safety into our products, the new features of VD4-AF1 reduce the risk of equipment failure and protect site operators. Smart monitoring and diagnostic features will also enable customers to benefit from improved analytics that provide our customers with visibility into the health status of their circuit breaker. These are just some of the features we introduce to ensure that we improve customer experience through safe, smart and sustainable solutions”, said Matteo Caiti, Global Product Group Manager, Control and Protection Products and Services for ABB.
The VD4-AF1 solution protects the transformer by eliminating current and voltage transients (negative events that harm the electrical circuit) which can happen during transformer switching, through an embedded sensor. As such, the VD4-AF1 offers continuous predictive health indication and accurate synchronization with network voltage, to control accuracy and precision of the electrical current passing through the furnace while reducing risk of component failure and enhancing safety.
In addition to the technical capabilities, the VD4-AF1 is designed with a draw-out, roll-on-floor construction, to be combined, if required, with ABB indoor enclosures, allowing a faster and easier integration or replacement operation in the steel industry
Detailed information about VD4-AF1 circuit breaker, its advantages and main features can be found on the ABB website
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