A DC shunt motor is a motor using DC supply with the the inductor connected parallel to the armature.
Shunted tombstones have internal connections between the two sockets, while non-shunted tombstones do not. This affects the performance of lighting fixtures because shunted tombstones are used with electronic ballasts, while non-shunted tombstones are used with magnetic ballasts. Using the wrong type can cause the fixture to not work properly or even damage the ballast.
Shunted tombstones have internal wiring that connects both ends of the lamp holder, allowing for use with instant-start ballasts. Non-shunted tombstones do not have this internal wiring and are used with rapid-start or programmed-start ballasts.
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A winding that has several coils shorted together.
Shunted means to divert or switch a flow of something, often to a different path or direction. This term is commonly used in the context of electrical circuits where a shunt is a device used to redirect electrical current.
Non-shunted tombstones in fluorescent lighting fixtures provide better electrical contact, reduce the risk of electrical shorts, and improve overall safety and efficiency of the lighting system.
Common issues associated with a shunted lamp holder include flickering lights, dimming, or the lamp not turning on at all. These issues can be resolved by checking and replacing the wiring connections, ensuring the lamp holder is properly grounded, and replacing the lamp holder if necessary.
The Reticular Activating System prioritizes information flowing into the brain. The RAS controls the Flight or Fight response, regulates sleep-wake transitions, and controls focusing ability and motor control during consciousness. What does not require immediate attention may be shunted to a lower priority area of the brain.
Typically oxygen deprivation, but it is common it conditions like hypothermia and hypovolemic shock, where blood is shunted away from the skin to preserve the vital organs. Another cause in neonates is a congenital heart defect known as tetrology of fallot, where venous blood is shunted back through the systemic circulation instead of the pulmonary circulation.
Typically oxygen deprivation, but it is common it conditions like hypothermia and hypovolemic shock, where blood is shunted away from the skin to preserve the vital organs. Another cause in neonates is a congenital heart defect known as tetrology of fallot, where venous blood is shunted back through the systemic circulation instead of the pulmonary circulation.
15 & 16 and 16 & 17
"Regenerative braking", or generating power from the braking motion, is often found in electric and hybrid electric cars. Essentially what is done is to "reverse" the motor leads (usually done by the computer controller) to change the motor into a generator. The generated power is then used to charge the batteries or shunted to ground through a resistor. The load of generating electricity causes the braking effect, not unlike taking your foot off the accelerator in a manual-transmission vehicle.