- Curse Code: #PSP1
- Course Name: Power System Protection
- Delivery: Online (Google Meet/ MS Meet) or Face-to-face
- Duration: 5 days
- Instructor: Dr. Saeed Roostaee
Day 1
Basic overview of Generation and transmission
- Electrical grid
- National Grid
- Power System components
- Single Line Diagram (SLD)
- Power Generation Technologies
- Hydro-Electric Power
- Fossil fuel power
- Nuclear power generation
- Wind energy
- Diesel Engine
- Solar power
Components of Substation
- Overhead lines
- Potential transformer
- Disconnect switch
- Circuit breaker
- Current transformer
- Lightning arrester
- Main transformer
- Control Panel
- Mettering Panel
- Protection Panel
- TCS Relay
- Trip Relay
- Lockout Relay
Type of Busbar Configurations
- Single Bus-Bar Arrangement
- Single Bus-Bar Arrangement with Bus Sectionalized
- Main and Transfer Bus Arrangement
- Double Bus Double Breaker Arrangement
- Double Bus Single Breaker Arrangement
- One and a Half Breaker Arrangement
Protection Classification, Types & ANSI Codes
- Common Acronyms
- ANSI Standard Device Numbers
- 21 Distance Relay
- 21G Ground Distance
- 21P Phase Distance
- 24 Volts-per-Hertz Relay / Overfluxing
- 25 Synchronizing or Synchronism-Check Device
- 27 Undervoltage Relay
- 27P Phase Undervoltage
- 32R Reverse Power
- 46 Reverse-Phase or Phase Balance Current Relay or Stator Current Unbalance
- 49 Machine or Transformer Thermal Relay / Thermal Overload
- 50 Instantaneous Overcurrent Relay
- 50BF Breaker Failure
- 50N Neutral Instantaneous Overcurrent
- 51 Time Overcurrent Relay
- 51N Neutral Time Overcurrent
- 51V Voltage-Relained Time Overcurrent
- 59 Overvoltage Relay
- 67 Directional Overcurrent Relay
- 67N Neutral Directional Overcurrent
- 79 Ac Reclosing Relay / Auto Reclose
- 81 Frequency Relay
- 81O Over Frequency
- 81U Under Frequency
- 86 Locking-Out Relay
- 87 Differential Protective Relay
- 87B Bus Differential
- 87G Generator Differential
- 87GT Generator/Transformer Differential
- 87L Line Current Differential
- 87M Motor Differential
- 87RGF Restricted Ground Fault
- 87T Transformer Differential
Protection Single Line Diagram
- PSLD
- Line Protection
- Feeder Protection
- Generator Protection
- Transformer Bay
Day 2
Numerical Protection Relays
- Protection Technology from Siemens
- SIPROTEC RELAY FAMILIES
- Hardware structure of the SIEMENS numerical multi-functional device
- SIPROTEC 4 relay block diagram
- SIPROTEC 5
- Properties of SIPROTEC 5
- SIPROTEC 5 expansion modules
- Modular device concept, freely configurable
- Devices without Jumpers- no more opening of the device
- Sampling rate up to 16 kHz
- Draw out of the terminal blocks
- On-Site operation panel
- ABB Relion Protection Relays
- ABB Relay hardware
START WITH DIGSI 5
- DIGSI 5 installation
- SIPROTEC drivers
- Manage device drivers
- Upgrade DIGSI 5 Version
- DIGSI 5 User interface
- Start with DIGSI 5
- DIGSI 5 function library
- Function Point
- Embedding of Functions in the Device
Working Online with the SIPROTEC 5 (Practical Section)
- Assign an online device to the project
- Copy the online device to the project
- Change Device mode
- SIPROTEC 5 Web browser
- Set date and time
- Monitor binary inputs, outputs, and LEDs
- Change parameters in the relays
- Relay binary inputs/outputs test
Relay Measurements (Practical Section)
- Inject the three-phase values into the relay and monitor the relay measurements
- Operational Measured Values
- Fundamental Components
- Symmetrical Components
- Monitor relay phasor values
Relay Logs and Events (Practical Section)
- Reading Indications from the PC
- Operational Log
- Fault Log
- Ground-Fault Log
Relay Fault Recorder (Practical Section)
- Fault Recording
- Fault recorder settings
- Fault recorder config
- Download fault records
- Comtrade File
Overcurrent and Earth fault
- Overcurrent DT 50
- Overcurrent IT 51
- Overcurrent curves
- How to configure OC protection
- How to test OC protection
- IE calculation
- IE measurements
- Config earth fault protection
- How to test EF protection
Directional Overcurrent and Earth fault
- Why Directional overcurrent protection
- How to configure Directional overcurrent protection (ANSI67)
- Simulate a fault in the forward direction
- Simulate a fault in the backward direction
- How to Test Direction OC Protection
- Directional overcurrent fault logs and records
- How does 67N work?
- Config Directional Earth Fault overcurrent (ANSI67N)
- Fault simulation to test 67N
- Test 67N with simulated signals
- Fault logs with 67N operation
- Fault record with 67N operation
Day 3
Transformer Protection
- Why Transformer Protection
- Earth Fault on H.V. External Connections
- Phase-to-Phase Fault on H.V. External Connections, Internal Earth Fault on H.V. Windings
- Internal Phase-to-Phase Fault on H.V. Windings Short Circuit Between Turns H.V. Windings
- Earth Fault on L.V. External Connections
- Phase-to-Phase Fault on L.V. External Connections, Internal Earth Fault on L.V. Windings
- Internal Phase-to-Phase Fault on L.V. Windings Short Circuit Between Turns L.V. Windings
- Transformer Protection Scheme
- SIPROTEC 7UT8 config
- Application templates
- Two-winding transformers
- Three-winding transformer basic (87T)
- Three-winding transformer 1.5CB
- Function Group Differential
- Function Group Side
Day 4
Line Protection
- Transmission Line Faults
- Line protection functions
- Why Use Distance Protection?
- How Distance protection works
- Distance Protection
- Distance measurement (principle)
- phase- phase -loop
- phase- ground -loop
- Load and short-circuit impedances
- Distance characteristics
- Stepped Distance protection
- SIPROTEC 7SA8 Configuration
- SIPROTEC 7SA8 Application templates
- BI Config: Under Voltage blocking
- BI Config: PUTT receive signal
- BI Config: Channel PUTT faulty
- BI Config: DEF receive
- BI Config: DEF channel faulty
- BI Config: DS position for release STUB (DS Open)
- BI Config: CVT MCB Fail
- BI Config: CB Position
- User-defined: SUB II Faulty
- BO Config: 1/3 pole Trip
- BO Config: Close Cmd
- BO Config: 85-21 PUTT send
- BO Config: 85-21 DEF send
- Distance Protection in SIPROTEC 7SA8
- Pickup method
- Distance zones (quadrilateral characteristic curve preconfigured)
- Ground-fault detection
- Direction Determination
Day 5
Generator Protection
- Generator Introduction
- Synchronous Generator
- Generator construction
- Stator
- Rotor
- Salient pole rotor
- Cylindrical rotor
- Synchronous Generator Operation
- Equivalent circuit of a synchronous generator
- Generator connection
- Direct Connected Generators
- Unit Connected Generator
- Faults in Generators
- Stator Earth Faults
- Rotor Earth Faults
- Stator Short Circuits
- Stator Interturn faults
- External faults
- Stator Winding Faults
- Control System and Field Winding/Rotor Circuit Faults
- Abnormal Operating Conditions
- 32 Reverse Power
- 40 Loss of Excitation
- 46 Negative Sequence
- 49 Thermal Overload
- 51V voltage restraint
- 51G Ground over current
- 64 Ground Relay
- 87 Differential
- Generator Stator Earth Fault Protection
- 87GD Generator Ground Differential
- 59N overvoltage protection
- 95 % of the stator winding protection
