This is an audio version of the Wikipedia Article: 00:00:37 1 Components
00:02:17 2 Types of protection
00:02:27 2.1 High-voltage transmission network
00:03:01 2.2 Generator sets
00:03:44 2.3 Overload and back-up for distance (overcurrent)
00:04:34 2.4 Earth fault/ground fault
00:05:20 2.5 Distance (impedance relay)
00:06:25 2.6 Back-up
00:07:03 2.7 Low-voltage networks
00:07:21 2.8 Cybersecurity
00:08:01 3 Coordination
00:09:35 4 Disturbance-monitoring equipment
00:10:32 5 Performance measures
00:12:11 6 See also
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SUMMARY
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Power-system protection is a branch of electrical power engineering that deals with the protection of electrical power systems from faults through the disconnection of faulted parts from the rest of the electrical network. The objective of a protection scheme is to keep the power system stable by isolating only the components that are under fault, whilst leaving as much of the network as possible still in operation. Thus, protection schemes must apply a very pragmatic and pessimistic approach to clearing system faults. The devices that are used to protect the power systems from faults are called protection devices.
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