Physicist Fatima Ebrahimi at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) has published a paper showing that magnetic reconnection — the process in which magnetic field lines snap together and release energy — can be triggered by motion in nearby magnetic fields. By running computer simulations, Ebrahimi gathered evidence indicating that the wiggling of atomic particles and magnetic fields within electrically charged gas known as plasma can spark the onset of reconnection, a process that, when it occurs on the sun, can spew plasma into space.
Power system design
The design of the systems that would convert fusion energy into heat to create steam that would generate electricity.
We will discuss how heating, cooling, and electrical energy is currently produced and delivered to Princeton’s community of approximately 12,000 people and 180 buildings. What is the university’s carbon footprint, and what progress is being made to lower that? How are the university’s energy assets dispatched in real-time for best economic advantage while maintaining reliability and resilience? What changes is the university considering for improvement of its resource, cost, and emissions profiles?
The electric current that powers fusion experiments requires superb control. Without it, the magnetic coils the current drives cannot contain and shape the plasma that fuels experiments in doughnut-shaped tokamaks correctly.
As the most powerful spherical tokamak in the world, the National Spherical Torus Experiment-Upgrade (NSTX-U) at the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) produces magnetic forces that are far greater than what its predecessor could generate. Moreover, the power supply system that drives current in the fusion facility’s electromagnetic coils can potentially produce even higher forces unless properly constrained.
I will give a brief overview of the technologies being pursued within GE, the largest conglomerate. I will then focus more on the electrical technologies for a more detailed description. These will include new devices such as SiC MOSFETs, electrical systems, controls, electrical machines, superconducting equipment, medical equipment, lighting, power conversion, materials, and energy storage. Work with PPPL on tubes will be discussed.
Investigating long-term solutions to the world's energy needs and investing in sustainable technologies are crucial as the climate crisis comes into focus, a set of experts cautioned at Princeton University on Nov. 14.
Scientists at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) are assisting General Electric Co. in developing an electrical switch that could help lower utility bills. The advanced switch “could contribute to a smarter, more advanced, more reliable, and more secure electric grid,” according to the DOE’s Advanced Research Projects Agency-Energy (ARPA-E), which is funding the GE project.
Princeton Plasma Physics Laboratory is a U.S. Department of Energy national laboratory managed by Princeton University.
© 2021 Princeton Plasma Physics Laboratory. All rights reserved.