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How PWM works | Controlling a DC motor with a homemade circuit

This is a very cool electronic project to control dc loads using a very cheap and reliable design. This video also explains ...
Electronics For You

Dual-Tone Single Bell For Two Doors

In modern homes, apartments, and offices, multiple entrance doors are common. Traditionally, each door requires a separate doorbell, which increases cost and ...
IEEE

Natural Commutation Type Hybrid DC Circuit Breaker Based on Hybrid Mechanical Gaps

Abstract: Hybrid DC circuit breakers (HDCCBs) are promising solutions to DC breaking issues. However, HDCCBs based on forced commutation have the disadvantages of high conduction loss and high cost.
IEEE

Coordinated DC Short-Circuit Fault Management in HVDC Systems with Customized Hybrid MMCs and DCCBs with Lower Clamping Voltage

Abstract: This paper investigates the coordinated operation of Hybrid Modular Multilevel Converters (H-MMCs) and DC Circuit Breakers (CBs) under short-circuit (SC) fault conditions. The H-MMCs in this ...
The National Law Review

DC Circuit Reinstates Title V Emergency Affirmative Defense

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...