Electric current is often magic and mysterious. Before people knew about electricity, many natural phenomena appeared as supernatural events caused by angry gods. Fortunately people today know physics ...

A more efficient transformer can pay for itself many times over during its 25-year lifespan The transformer plays a key role in an electrical system’s efficiency and power quality, yet 95% of buying ...

The paper shows how the technique of dynamic programming was applied to the problem of determining the optimum mix of widths of steel used to `pack' a transformer coil. The approach enables the ...

PORTAGE | NLMK Indiana in Portage is aiming to restart hot-rolled coil production Monday after an electrical transformer failure last week. The transformer providing power to the electric arc furnace ...

National "Browning-Drake Transformer" barrel coil variable inductance, maker's tag: "National / Browning-Drake / Pat. Transformer Pend. / National Co Inc - Cambridge, Mass." Plastic barrel with copper ...

IT is only within the last few years that the induction coil has emerged from the sanctum of the philosophical instrument maker and even approximated to an electrical engineering “job.” It cannot yet ...