Dynamic Voltage Restoration (DVR) Dynamic voltage restoration (DVR) is a technique for mitigating voltage sags and swells in electrical power distribution. It is a technology used in power systems…
Angle Seat Piston Valve An angle seat piston valve is a pneumatically operated valve with a piston actuator that provides linear actuation to lift a seal from its seat.…
Piston Valve A piston valve is a device that controls the flow of a fluid or gas through a tube or pipe by moving a piston within…
Pinch Valve A pinch valve is a valve that controls the flow of a fluid (liquid or gas) by pinching a flexible tube or sleeve to restrict…
Flow Limiter or Flow Restrictor A flow limiter or flow restrictor is a device that restricts the flow of a fluid, typically a gas or liquid. It is a device…
Ignitron – a type of gas-filled tube An ignitron is a gas-filled tube used as a controlled rectifier that dates from the 1930s. It is a gas-filled tube that is mostly utilized…
Plasmonic Metamaterial – metal-like materials with negative real permittivity Plasmonic metamaterials are manmade materials that have unique optical features due to their interaction with light at the nanoscale. It is a metamaterial that employs…
Split-pi Topology in Electronics Split-pi topology is a typical arrangement found in electrical circuits, particularly power supply and amplifiers. In electronics, it is a pattern of component interconnections used…
Control Valve Many industrial processes rely on control valves, particularly in the oil and gas, chemical, and manufacturing industries. It is a valve that controls fluid flow…
Ball Valve A ball valve is a flow control device that uses a hollow, perforated, pivoting ball to regulate fluid flow. It is a type of valve…
Plug Valves Plug valves are industrial valves that regulate the flow of fluids through pipelines. These are valves having cylindrical or conically tapered “plugs” that can be…
Positive Attitudes towards Solar Projects As solar energy production develops, how do Americans feel about large-scale solar farms, or LSS, that they see on the highway or in their neighborhood?…