Ground Fault Coordination
In Ground Fault Coordination, you'll learn ...
- Coordination of ground fault devices
- Different methods of system grounding and how they affect ground fault detection and protection schemes
- Differences between ground faults and phase faults, and how this affects coordination
- The role that zero sequence networks play in detecting ground faults
Overview
This course explains coordination of ground fault devices including choosing settings that will maximize safety, equipment protection, and isolation of ground faults. We will review the different methods of system grounding and how they affect ground fault detection and protection schemes. Differences between ground faults and phase faults, and how this affects coordination will also be explained.
After covering these topics, we will move on to more advanced concepts including specific considerations for equipment such as transformers and motors. Other topics covered are the role that zero sequence networks play in detecting ground faults.
These topics will be tied together with an example of a ground protection scheme with typical settings that illustrate poorly coordinated devices as well as an example of the same devices with settings fully coordinated.
Learning Objectives
Upon completion of this course, participants will be able to:
- Outline Grounding? with sufficient accuracy to distinguish it from related concepts.
- Investigate what are Ground Faults? and determine the resulting implications for system performance or safety.
- Determine types of Grounding Systems with sufficient accuracy to distinguish it from related concepts.
- List neutral Grounding Equipment with sufficient accuracy to distinguish it from related concepts.
- Select ground Fault Detection and Protection Methods in a representative engineering or safety scenario.
- Distinguish positive, Negative, and Zero Sequence Currents and demonstrate understanding through an assessment question or scenario.
- Use why is Coordination Important? in a representative engineering or safety scenario.
- Implement pickup and delay settings and Time-Current Coordination Curves (TCCs) in a representative engineering or safety scenario.
- Derive equipment-specific considerations: Transformers & Motors using course principles and given data.
- Evaluate ground Fault Coordination Examples in a representative engineering or safety scenario.
- Assess relevant Codes and Standards in a representative engineering or safety scenario.
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 10 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.) | |

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