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748 students
Substation Secondary Design
Setting Calculation For ABB Relays (REF615, RET670, RED670)
Created byOsama Abdel Aziz
Last updated 9/2024
Arabic
Arabic [Auto],
What you'll learn
- Introduction To Substation Secondary Design
- Protection and Metering Instrument Transformer CT&PT Sizing Calculation as per Saudi Standard TES-P-119.28
- Build Single Line Diagram on ETAP Software
- Short Circuit Cases Study as per Saudi Standard TES-P-119.37
- Calculate Setting of Overcurrent Relay REF615 For Incoming Transformer and Outgoing Feeder in 33KV
- Co-ordination Study Between Outgoing Feeder O/C and Incoming Transformer O/C
- Why Use the Directional Overcurrent with Induction Load ?
- Introduction To PCM Software For ABB Relays
- Setting Printout From Relay REF615
- CT&PT Sizing Calculation For Transformer Differential Protection RET670
- Minimum Differential Current Calculation For Power Transformer
- Slope#1 Setting Calculation for Transformer Differential Current Protection
- Slope#2 Setting Calculation for Transformer Differential Current Protection
- Build Overcurrent Function Inside Transformer Differential Protection
- Setting Printout From Relay RET670
- CT&PT Sizing Calculation For Line Differential & Distance Protection RED670
- Calculation of Transmission Line Parameter
- Zone#1 Setting Calculation For Distance Protection
- Zone#2 Setting Calculation For Distance Protection
- Zone#3 & Zone#4 Setting Calculation For Distance Protection
- Fault Resistance Reach Setting Calculation
- Load Encroachment Parameter Setting Calculation For Distance Protection
- Power Sewing Setting Calculation For Distance Protection
- Switch Onto Fault (SOTF) Setting Parameter
- Line Differential Setting Calculation
- Setting Printout From Relay RED670
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Course content
7 sections • 46 lectures • 13h 30m total length
Requirements
- The basic electrical principles
Description
Protection relays play a crucial role in power systems These relays are designed to detect abnormal conditions or faults in the system and initiate appropriate actions to protect the system components and ensure the safety and reliability of the power supply
Here are some reasons why protection relays are important in power systems:
Fault Detection and Isolation: Protection relays continuously monitor various parameters such as voltage, current, frequency, and temperature. They detect and isolate faults, such as short circuits or overloads, by comparing these parameters with pre-set thresholds.
System Stability: Protection relays help maintain system stability by quickly detecting and isolating faults. By isolating the faulted section, they prevent the spread of disturbances and minimize potential damage to the system.
Equipment Protection: Protection relays safeguard expensive and critical equipment, such as transformers, generators, motors, and transmission lines, from damage caused by faults or abnormal operating conditions.
Personnel and Public Safety: In case of faults, protection relays protect personnel and the public by quickly disconnecting the faulty equipment or isolating the faulted section, minimizing the risk of accidents or electrical hazards.
Minimization of Downtime: By detecting and isolating faults promptly, protection relays help reduce downtime and ensure a more reliable power supply. This is particularly important for critical facilities, industries, and essential services that rely on uninterrupted power.
Overall, protection relays are essential components of power systems as they provide early fault detection, swift isolation, and necessary protection measures to maintain system reliability, protect equipment, and ensure the safety of personnel and the public
Who this course is for:
- Anyone interested in electrical engineering
- Electrical undergraduates
- Electrical graduates
- Workers in the electrical power utility