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HSE Technical & Engineering Yogyakarta

Electrical Installation In Hazardous Area

Instructor by: Drs. Ir. Hasan Surya, MT

OUTLINE
A. Explosive Atmosphere, origin and characteristic values

1. Evaporation
2. Convection, diffusion density ratio
3. Flash point and combustion point
4. Classification of flammable liquids into danger classes
5. Explosive mixture of dust and air
6. Exothermic chemical reaction and its characteristic values
7. Ignition sources and their characteristic values
8. Ignition flame
9. Influence of electrical values
10. Ex-groups, maximum experimental safe gap
11. Ignition by hot surfaces

B. Regulation and Specifications

1. Regulations concerning electrical installations in explosive atmosphere
2. Definitions
3. Potentially explosive atmosphere, electrical apparatus in acetylene plants
4. IEC works

C. Type of Protection

1. General, opening apparatus, terminals, cable and conduct entries
2. Oil immersed equipments
3. Pressurized appartus
4. Flameproof enclosure

D. Intrinsic safety

1. General specific constructional requirements
2. Installation requirements for intrinsically safe circuits
3. Tests

E. Planning, installation and operation of electrical systems in potentially explosive atmospheres

1. Assessment of possible explosion risk
2. Planning electrical installations for use in potentially explosive atmosphere
3. Selection of apparatus
4. Measuring and control equipment
5. Lighting systems

F. Operation of electrical equipment in potentially explosive atmosphere

1. General
2. Operations of electrical equipment
3. Instruction of persons
4. Repair of explosion-protected electrical apparatus
5. Repair work not affecting the explosion protection

G. Switchgear for use in potentially explosive atmospheres

1. Terminals
2. Protection against dust and wear,
3. Types of protection for electrical switchgear

H. Lamps and Luminaires

1. General, incandescent lamps, discharge lamps, high pressure mercury lamps
2. Safety luminaires, portable lights, flameproof luminaires
3. Pressurized luminaires

WHO SHOULD ATTEND
Managers involved with energy management, Electrical engineers and Technical Staff who have to deal with the aspect of electrical and industrial power system protection, control and operation.

TRAINING METHODE

Presentation

Discussion

Case Study

Evaluation

FACILITY

Training Kit

Handout

Certificate

Lunch + 2 X Coffee Break

Souvenir

Pick up participants

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