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HSE Technical & Engineering

Relay Protection Coordination

Instructor By : Tugino, ST , MT

DESKRIPSI

Salah satu komponen penting dalam sistem tenaga listrik adalah sistem pengaman. Energi listrik dapat dibangkitkan dan disalurkan ke pusat beban secara berkelanjutan, ekonomis, efisien, aman, dan optimal dengan tingkat keandalan tinggi, jika dilengkapi sistem pengaman yang memadai.

Proteksi terhadap tenaga listrik merupakan sistem pengamanan yang dilakukan terhadap peralatan-peralatan listrik yang terpasang pada sistem tenaga listrik tersebut. Misalnya: Generator, Transformator, Jaringan transmisi/distribusi dan lain-lain terhadap kondisi operasi abnormal dari sistem itu sendiri

MANFAAT

• Mencegah kerusakan peralatan peralatan pada system tenaga listrik akibat terjadinya gangguana atau kondisi operasi system yang tidak normal
• Mengurangi kerusakan peralatan2 pada system tenaga listrik akibat terjadinya gangguana atau kondisi operasi system yang tidak normal
• Mempersempit daerah yang terganggu sehingga gangguan tidak melebar pada system yang lebih luas.
• Mempercepat lokalisir daerah yang terganggu
• Memberikan pelayanan tenaga listrik dengan keandalan yang tinggi serta mutu yang baik kepada konsumen
• Mengamankan manusia terhadap bahaya yang ditimbulkan oleh tenaga listrik.

OUTLINE MATERI

1. System Analysis

• Fault Current and Load Flow Calculations
• Remote Effects Of Faults

2. Protective Device Coordination Principles

• Graphical Tools and Time/Current Curve Interpretation
• Load Flow and Unbalanced Fault Effects
• Cold Load Pickup
• Grounding System Constraints
• Coordination Economics
• Asymmetrical Current Impacts
• Coordination Time Intervals of Relays
• Transformer Effects on Coordination

3. Equipment and Device Characteristics

• Fuses –including current limiting fuses
• Molded case and Insulated Case Breakers
• Solid-State Trip Low Voltage Breakers
• Equipment Damage Characteristics
• Proper Protective Device Selection
• Circuit Breaker Ratings and Selection
• Low Voltage Cable Protection
• Shielded Cable Protection
• Overhead Conductor Protection
• Motor Protection
• Generator Protection
• Transformer Protection
• Panelboard and Switchgear Protection
• Inverse Time/Overcurrent Protective Relays an
• Instantaneous Trip Devices
• Series Rated Breakers
• Differential and Voltage Constrained Relays
• Reclosing relays, reclosers, and sectionalizers
• Current transformer characteristics and selection

4. Ground Fault Protection

• Arcing Ground Fault Magnitudes
• Ground Fault Protection Schemes
• Interaction Of Ground Fault Relays And Phase
• Overcurrent Devices

5. Emergency Power System Design

• Weak Source Systems
• Generator Fault Characteristics
• Uninterruptible Power Supply Fault Characteristics
• Transfer and Static Switch Limitations
• Improving Emergency Circuit Design

6. Common Coordination Problems, Errors, And Misconceptions

7. Preliminary System One-line Development for a Coordinated System

• Lessons Learned and “ Rules of Thumb” to spot uncoordinated systems and methods to develop a coordinated system design

8. Criteria Impacting Coordination

• NESC, IEEE Std C2,
• NFPA 70-National Electrical Code
• Arc Flash Protection

9. Switchgear And Relay Commissioning Including Optional Hands-On Student Calibration of a Relay

METODE TRAINING

Presentation

Discussion

Case Study

Evaluation

FACILITYS

Training Kit

Handout

Certificate

Lunch + 2 X Coffee Break

Souvenir

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