XGD Power Supply 5148804-2-R
| 5148804-2-R | |
| Magnetic Resonance Imaging | |
| GE HealthCare | |
| GE HealthCare | |
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Product Overview
The XGD (eXtreme Gradient Driver) Power Supply is a part of DVMR product. The XPS (XGD Power Supply) converts power from the DVMR PDU to isolated power supplies for an eXtreme Gradient Amplifier (XGA). It is an IGBT-based, high voltage switching power supply provide two 350V and two 650V isolated supplies to XGA. The input of the XPS consists of a 3-phase rectifier that converts 420VAC at 50/60Hz to 600VDC. Three IGBT modules then switch at ~20kHz based on a phase shift control to apply voltage to 2 separate transformers. The secondaries of the transformers are then rectified to produce the appropriate output voltages. RCD (resistor-capacitor-diode) snubber circuits are placed at the output of the rectifiers to limit the peak voltage on the output DC bus. The coupled inductors at the output of each DC bus ensure the impedance is similar and therefore the output voltage is identical. This power supply can be used in medical system such as Discovery 750w GEM 3.-T and Discovery 750 3.0T.