MRI scanning uses magnetism, radio waves, and a computer to produce images of body structures. MRI scanning is painless and does not involve x-ray radiation. Patients with heart pacemakers, metal implants, or metal chips or clips in or around the eyes cannot be scanned with MRI because of the effect of the magnet.
Electrical Switchgear Protection. Definition of Switchgear. A switchgear or electrical switchgear is a generic term which includes all the switching devices associated with mainly power system protection. It also includes all devices associated with control, metering and regulating of electrical power system. Assembly of such devices in a logical manner forms switchgear.
Switchgear and Substations 94 Siemens Energy Sector t Power Engineering Guide t Edition 7.0 3 Medium voltage11 2 High voltage 3 Low voltage2 1 3 Fig. 3.2-1: Voltage levels from the power plant to the consumer rents) are preferred for power transmission in order to minimize losses.witchgear and Substations 3.3 Low-Voltage Switchgear 124 Siemens Energy Sector t Power Engineering Guide t Edition 7.0 3 have effects on the neighboring higher-level or all lower-level network sections (high testing expense, high planning risk).