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Electrical Instrument Installation in Hazardous Area |
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Contents: |
- Introduction of classification of hazardous areas
- . Ignition properties and apparatus protection
- - Five triangle
- - Physical properties of gaves , Flammable Liquids , mist and dus. Explosive limits
- . Classification of hazardous area according to NEC and IEC standards
- Zonal classification
- - grouping
- - Temperature classes
- . Types of explosion proof protection methods
- - Flame proof protection method
- - Increased safety protection method
- - Combined methods of protection
- - Other types of protection methods
- . Standards and certifications
- . Hazardous area inspection and maintenance
- - Plant records
- - Inspection categories
- - The possible courses of ignition
- - Maintenance recommendation
- . Degree of provided by enclosures
- - Ip code and Ik code
- - NEmA and Ul types of enclosure
- . Electrical Lighting system
- - Lamp selection guide
- - General procedure for maintained
- Illumination Theory of operation and applications of control
- Devices
- - Pressure, temperature, level, flow and limit Switches
- - Solenoid Valves
- . Protection and measurements auxiliaries
- - Instrument transformers
- - Differential current breateersb
- . Control and Protection applied to oil /Gas fields
- - Direct – on .line motor control current
- - Star – Delta motor control
- - Protection and control of generators
- . Power and control cables.
- - Cables Parameters and construction
- - Cables Short circuit capacity
- - Cables Voltage drop
- - Cables connection and termination
- - Cables glands types
- - Cables laying and testing.
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