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الأهداف
Participants attending the program will:
- Understand Electrical Power Distribution Systems Equipments and Components
- Have knowledge of Sub Station Equipments, switchgears including transformers, isolators, circuit breakers etc.
- Assess and specify correct earthing throughout your electrical network
- Learn the fundamentals of electrical power protection and its applications
- Understand different fault types
- Perform simple fault and design calculations
- Know case studies of protection system components
- Learn relay settings & coordination
- Improve the safety of your site with the knowledge gained
الخطوط العريضة
DAY 1:
Power Systems and Electrical Components
- Electrical Power System
- Generation, Transmission and Distribution of electricity
- Planning of Power Distribution Systems
- Electrical Network
- Functions of a Substation
DAY 2:
Power Distribution Systems Equipments
- Power Distribution Systems Equipments and Components
- Substation Equipments and Components
- Single Line Diagrams
- Switchgears: Types, Classification, Functions, Safety
- Protection Systems
Day 3 :
Electrical Networks Specification, Operation, & Maintenance
- Power Distribution Systems
- Transformer Theory
- Operation & Tests for transformer
- Switchgears
- Technical Specifications
Day 4:
NEED FOR PROTECTION
- Selectivity, stability, sensitivity, speed, reliability, dependability and security
FAULT TYPES AND THEIR EFFECTS
- Active, incipient, passive, transient and asymmetrical
- Phase and earth faults
Day 5:
SIMPLE CALCULATION OF SHORT CIRCUIT CURRENTS
- Revision of simple formulae
- Calculation of short circuit MVA and fault currents
- Worked examples
SYSTEM EARTHING
- Solid, impedance and touch potentials
- Effect of electric shock
- Earth leakage protection
Day 6:
PROTECTION SYSTEM COMPONENTS INCLUDING FUSES
- History, construction and characteristics
- Energy let through and applications
INSTRUMENT TRANSFORMERS
- Current transformers: construction, performance, specification and
- magnetization curves
- Voltage transformers: types, accuracy and connections
Day 7:
CIRCUIT BREAKERS
- Purpose and duty, clearance times and types
TRIPPING BATTERIES
- Battery types, chargers, maintenance and DC circuitry
RELAYS
- Inverse Definite Minimum Time (IDMT) relay
- Construction principles and setting
- Calculation of settings – practical examples
- New modern numerical relays and future trends
DAY 8:
CO-ORDINATION BY TIME GRADING
- Problems in applying IDMT relays
TRANSFORMER PROTECTION
- Phase shift, magnetizing in-rush, inter-turn, core and tank faults
- Differential and restricted earth fault schemes
- Bucholz relay, oil and winding temperature
- Oil - testing and gas analysis
DAY 9:
SWITCHGEAR (BUSBAR) PROTECTION
- Requirements, zones and types
- Frame leakage
- Reverse blocking
- High, medium and low impedance schemes
DAY 10:
OVERHEAD LINE PROTECTION
- Basic principles of the distance relay
- Tripping characteristics
- Application onto power lines
- Effect of load current and arc resistance
- Various schemes using power line carrier
MANAGEMENT OF PROTECTION
- Routine and annual testing, investigation and performance assessment and upgrading
SUMMARY, OPEN DISCUSSION AND CLOSING
من ينبغى أن يحضر
- Electrical Engineers
- Project Engineers
- Design Engineers
- Instrumentation and Design Engineers
- Electrical Technicians
- Field Technicians
- Electricians
- Plant Operators
المدة
10 أيام
