Square-Wave Power Supplies for Traction
The central square-wave power supplies belongs to the family of DC/AC converters without galvanic isolation. The output voltage is a square-wave (f =
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Jan 16, 2024 · The design of the coupling inductor makes it possible to increase the energy storage density of the system. To reduce the requirement for a high-voltage power supply, the
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Feb 10, 2025 · Since the introduction of dual-magnetron sputtering (DMS) for highly insulating layers, there is the choice between square wave pulse or sine wave power supplies.
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6 Frequently Asked Questions about “Square wave energy storage power supply”
Are square wave power supplies more versatile than sine wave?
Whereas sine wave designs were easier to implement at higher power levels, square wave power supplies were expected to be more versatile since the output symmetry can be readily adjusted [1, 2].
Which power supply is best for insulating layers?
Since the introduction of dual-magnetron sputtering (DMS) for highly insulating layers, there is the choice between square wave pulse or sine wave power supplies.
How does a square wave generator work?
In DMS, the current path is perpendicular to the anode (right magnetron), through which the plasma is pushed towards the substrate. Sometimes it is argued that a square wave generator is the best choice for reactive sputtering, as it will deliver voltage, current and power at approximately 100% duty cycle during each half-wave.
What are the disadvantages of a sine wave power supply?
A disadvantage of earlier sine wave designs was due to the energy stored in the tank circuit, which would discharge into the plasma load in the event of arcing. This led to higher arc energies as compared to square wave designs. Today, both types of power supplies are available in a wide power range.
Can HF square-wave pulsed current reduce capacity degradation in lithium-ion batteries?
This study investigates the application of HF (high-frequency) square-wave pulsed current to mitigate capacity degradation and charging/discharging challenges in lithium-ion batteries at subzero temperatures.
Are bipolar square wave generators more flexible than sine waves?
Even at an early time it has been argued that a bipolar square wave generator is more flexible with respect to symmetry and duty cycle, but that sine wave generators are easier to implement for high output powers.