+۹٦٦ ۹۲۰۰۰۷۷۷۱
تطبيقات و نظم صيانه دوائر الوقايه و القطع الكهربى
الأهداف

 

By the end of the course the trainee will:

  • Be familiar with basic concept of circuit breaker trip circuit
  • Be familiar with zones of protection determination concept
  • Know the difference between different types of relays based on construction
  • Know the theory of operation of attraction and induction over current relays
  • Know the theory of operation of directional power relay, phase balance relay and impedance relay
  • Know the theory of operation of merz price differential protection scheme
  • Study the construction features and theory of operation of different types of circuit breakers
  • Know the IEEE type tests of high voltage circuit breakers
  • Know different protection schemes of transformer
  • Know different protection schemes of generators
  • Know 66/22 KV substation layout and protection
  • Know Relays coordination
  • Know Over voltage wave forms
  • Know Over voltage protection devices
  • Know Insulation level coordination

الخطوط العريضة

 

Day 1:

  • Main components of protection system
  • Circuit breaker types & utilization
  • fuse on load switches
  • HV fuses in combination with and as alternatives to circuit breakers
  • Specification of switchgear
  • Switchgear ratings – highest system and Impulse withstand voltages, load and Short circuit currents
  • Technical and constructional characteristics of circuit breakers
    • breaking medium                   
    • supporting structure             
    • operating mechanism
  • Arc interruption principle of circuit breakers
  • Construction features and theory of operation of high and medium voltage circuit breakers
    • Large oil CB
    • Minimum oil CB
    • Air blast CB
    • SF6 CB
    • Vacum CB
  • Learning videos
  • Open discussion and class problems

Day2:

  • Recap on topics of day 1
  • IEEE / IEC standard tests for HV circuit breakers
  • Switchgear inspection methodologies
  • Insulation deterioration
  • Diagnostic techniques:
    • Partial discharge measurement and Survey
    • Partial discharge by acoustic methods
    • Thermo vision
    • tan delta testing
  • Relay basics
  • Different relay construction
  • Relay time characteristics
  • Over current relay construction:
    • Balanced beam
    • Attracted armature
    • Solenoid
    • Induction type
  • Learning video
  • Open discussion

 

Day3:

  • Recap on topics of day2
  • Differential protection
    • Merz price
    • Biased beam
  • Directional power relay
  • Impedance relay
  • Phase balance relay
  • Generator protection schemes
  • Bus-bar protection schemes
  • Transformer protection schemes
  • Microcontroller based relay
  • Low voltage ride through concept
  • Low voltage ride through IEEE standard curve
  • Low voltage ride through control algorithms
  • Learning video
  • Open discussion

 

 

Day 4:

 

  • Recap on topics of day 3
  • Over voltage wave forms
  • Lighting stroke formation
  • BIL and SIL coordination
  • Surge arrestors construction and theory of operation
  • 66/22 KV substation design
  • Installation mechanism of CB's
    • Mounting the unit
    • Connecting the power wiring
    • Antenna mounting of modern CB's
    • Adjusting the SWR
  • Learning video
  • Open discussion

Day5:

  • Recap on topics of day4
  • Lack of maintenance
  • Maintenance theory & maintenance strategies
    • Principles of circuit breaker maintenance
    • Preventive maintenance
    • Predictive maintenance
    • Condition based maintenance (cbm)
    • Corrective maintenance
    • Periodic testing
    • Maintenance work instructions OF CIRCUIT BREAKERS
      • Preventive maintenance
      • Predictive maintenance
      • Controls and maintenance of different Type of breakers
      • Maintenance of vacuum circuit breakers
      • Maintenance of sf6 circuit breakers   
      • Learning video
      • Open discussion
      • Course assessment
  • Feedback and closing

Hint: 2 coffee breaks are considered within each day

Training Methodology

Training methodology is based on sharing experiences between the trainer and trainees, applying the knowledge on case studies for better understanding.It Will Include Detail Explanation of the SubjectCourse Material through Power Point and or Prezi equipped with necessary animation, learning video and general discussion to provide participant with full understanding concerning the subject course this not limited but will extended to the following

  1. Learning Videos
  2. General Discussion
  3. Practical Session If Any
  4. Learning Examples
  5. Pre And Final Assessment
  6. Evaluation And Ranking
  7. Work Shop&case studies (whenever available)

من ينبغى أن يحضر

 

1-    Electrical power and electric machines' engineers.

2-    Protection, generation, distribution and maintenance engineers.

3-    Industrial and oilField projects, instrument, control and maintenance engineers.

4-    Electrical system planning and operation engineers.

5-    Research and development department electrical and mechanical engineers.

المدة

5 أيام

تاريخ البداية تاريخ النهاية الدولة المدينة

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