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Distance Protection for Electrical Systems
In Distance Protection for Electrical Systems, you'll learn ...
- Basic theory and terms of distance protection
- Distance protection zones
- Distance protection characteristics
- Distance protection relay applications
Overview
Preview a portion of this course before purchasing it.
Credit: 3 PDH
Length: 34 pages
Since the impedance of a transmission circuit is relative to its length, for distance measured it is suitable to use a relay able to measure the impedance of a circuit up to a present point (the reach point). Such a protection relay is known as a distance protection relay and is made to function only for faults happening between the protection relay location and the chosen reach point, therefore providing discrimination for short circuits that may happen in different line portions.
Distance protection, is a non-unit protection arrangement providing significant benefits. Unlike phase and neutral overcurrent protection arrangements, the key benefit of distance protection is that its short circuit current coverage of the protected element is almost autonomous of source impedance changes.
In this course, you’ll learn the fundamentals of distance protection. Presented details cover issues related to distance protection technical implementation. Upon successful completion of the course, you will be able to address key distance protection concepts, terms, zones and characteristics.
Learning Objectives
Upon completion of this course, participants will be able to:
- Explain distance protection and where it should be used.
- Describe the fundamental rule of distance protection.
- Explain electromechanical and static protection relay arrangements.
- Describe the voltage limit for precise reach point measurement.
- Explain Zone 1, Zone 2, and Zone 3 protection settings.
- Describe protection settings for reverse reach and other zones.
- Explain distance protection relay features.
- Describe plain impedance protection relay characteristics.
- Explain self-polarized and offset mho protection relay characteristics.
- Describe the purpose and application of the lenticular characteristic.
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 30 questions. PDH credits are not awarded until the course is completed and quiz is passed.
| This course is applicable to professional engineers in: | ||
| Alabama (P.E.) | Alaska (P.E.) | Arkansas (P.E.) |
| Delaware (P.E.) | District of Columbia (P.E.) | Florida (P.E. Area of Practice) |
| Georgia (P.E.) | Idaho (P.E.) | Illinois (P.E.) |
| Illinois (S.E.) | Indiana (P.E.) | Iowa (P.E.) |
| Kansas (P.E.) | Kentucky (P.E.) | Louisiana (P.E.) |
| Maine (P.E.) | Maryland (P.E.) | Michigan (P.E.) |
| Minnesota (P.E.) | Mississippi (P.E.) | Missouri (P.E.) |
| Montana (P.E.) | Nebraska (P.E.) | Nevada (P.E.) |
| New Hampshire (P.E.) | New Jersey (P.E.) | New Mexico (P.E.) |
| New York (P.E.) | North Carolina (P.E.) | North Dakota (P.E.) |
| Ohio (P.E. Self-Paced) | Oklahoma (P.E.) | Oregon (P.E.) |
| Pennsylvania (P.E.) | South Carolina (P.E.) | South Dakota (P.E.) |
| Tennessee (P.E.) | Texas (P.E.) | Utah (P.E.) |
| Vermont (P.E.) | Virginia (P.E.) | West Virginia (P.E.) |
| Wisconsin (P.E.) | Wyoming (P.E.) | |
Preview a portion of this course before purchasing it.
Credit: 3 PDH
Length: 34 pages
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