SY/T 4089-1995 Electrical Technical Specifications for Beach and Offshore Petroleum Engineering SY/T4089-1995 Standard download decompression password: www.bzxz.net

Petroleum and Natural Gas Industry Standard of the People's Republic of China Technical specification of electric installation for petrolcum engineering in beach-shallow sea SY T 408995 Editor-in-chief: Survey and Design Institute of Hong Kong Petroleum Administration Bureau Approving department: PetroChina National Petroleum Corporation Petroleum Industry Press Beijing 1995 2. General provisions General requirements Environmental conditions and working conditions Layout and installation Power supply and distribution system Main power supply Emergency power supply Distribution system Electric power Road protection
Electrical equipment
Electrical equipment electric traction
Electrical heating facilities,
Medium heating equipment
Signal lights
Batteries
Electrical equipment in explosion-hazardous places
Lightning protection, anti-static and grounding
AC high-voltage electrical equipment
Construction and acceptance
MotorWww.bzxZ.net
Transformer
Battery
Electrical heating facilities Preparation
(8)
(13)
(14)）
(19)
(30)
Electrical heating equipment
Central distribution and control panels and cabinets
Appendix A
Explanation of terms used in this specification
Additional explanation
Electrical technical specifications for offshore petroleum engineering
Explanation of clauses
(48)
(53)
China National Petroleum and Natural Gas Corporation Document
(95) CNPC Technical Supervision No. 731
Notice on the approval and release of 26 oil and gas industry standards including "Standard for Investigation Methods of Corrosion and Protection of Steel Pipelines and Storage Tanks"
To all relevant units:
"Standard for Investigation Methods of Corrosion and Protection of Steel Pipelines and Storage Tanks" and other 26 oil and gas industry standards (draft) have been reviewed and approved and are now approved as oil and gas industry standards and can be released. The numbers and names of each standard are as follows: 1
SYT 0087- 95
SY/T.05451995
SYr T 4013-95
SY/T 4041-95
SY/T 4084-95
SY 7T 4085- 95
Standard for investigation method of corrosion and protection of steel pipelines and storage tanks
Determination of thermal characteristic parameters of wax precipitation in crude oil - Differential scanning calorimetry
Technical standard for polyolefin anticorrosion layer of buried steel pipeline (replaces SYJ4013-87)
Specification for installation and acceptance of wet steam generator for oil field (replaces SYJ4041-89)
Technical specification for beach environmental conditions and loads
Technical specification for oil and gas gathering and transportation in Weihai Oilfield
SY/ T 408695
SY/T 4087-95
SY/T 4088-95
SY/T 4089--95
SY/T 4090 95
SY/ T 4091-95
SY/ T 4092-95
SY/ T 409395
SY/ T 409495
SYT 409595
SY/T 4096-95
SY/T 4097-95
SY/ T 4098---95
SY/T 4099-95
SY7 T 4100-95
SY T 4101--95
SY/T 4102-95
SY 7 T 4103.---1995
SY 4104-95
SY /T 0088-95
Technical specification for design and construction of earth pipe network of beach and sea structures
Technical specification for ventilation and air conditioning of beach and sea petroleum projects, technical specification for water supply and drainage of beach and sea petroleum projects, technical specification for electrical engineering of beach and sea petroleum projects
Technical specification for power generation facilities of beach and sea Shishan projects, technical specification for corrosion protection of beach and sea petroleum projects
Technical specification for thermal insulation of beach and sea petroleum projects
Technical specification for selection and installation of cranes on beach and sea petroleum facilities
Technical specification for design and construction of shallow sea steel fixed platform structures
Technical specification for design and construction of shallow sea steel mobile platform structures
Technical specification for beach and sea oil wellhead protection devices
Technical specification for the design and construction of artificial islands with sloping sandstone slopes in coastal areas
Technical specification for the design and construction of artificial islands with steel formwork and concrete on coastal walls
Technical specification for the design and construction of coastal dikes
Technical specification for coastal engineering survey
Technical specification for the survey of Weihai Rock Project
Specification for the inspection and installation of valves
Welding and acceptance of steel pipelines
Quality inspection and assessment standard for petroleum construction projects
Technical standard for cathodic protection of the outer wall of the bottom of steel storage tanks
The above standards shall come into effect on June 1, 1996. China National Petroleum Corporation
1995 December 18, 2018
1.0.1 In order to standardize the design and construction of electrical engineering in offshore oil fields, and to ensure safety, reliability, advanced technology, economical and practical, and environmental protection: this specification is specially formulated. 1.0.2 This specification is applicable to the system design, construction, installation and acceptance of electrical equipment on production platforms (artificial islands) after drilling and completion of offshore oil fields. 1.0.3 The manufacturing and testing of various electrical equipment used on the platform (artificial island) shall comply with the environmental conditions of the installation site and other requirements. 1.0.4 Applicable standards:
GB 1094-85
GB 3321--82
G8 4208 --93
GB 645086
GB 706086
Power transformer
Short-circuit calculation of ship AC power system
Classification of enclosure protection grade
Mini power transformer
Basic technical requirements for marine motors
GB/T10250—88+
Electromagnetic compatibility of ship electrical and electronic equipment GB 50034-92
GB 50058-92
GB 50060-92
GB 5006292
GB 50150-91
GB 50171-92
Construction and acceptance specifications
GBJ 5383
GBJ 74:-84
Design standard for lighting in industrial enterprises
Design specification for power installation in explosive and fire hazardous environmentsDesign specification for 3~110kV high-voltage distribution equipment
Design specification for relay protection and automatic devices of power equipmentElectrical installation engineeringTest standard for acceptance of electrical equipmentElectrical installation engineeringPanel, cabinet and secondary circuit connectionDesign specification for industrial and civil 10kV and below substationDesign specification for oil depot
GBI149-90Construction and acceptance specification for busbar installation of electrical installation engineeringSDI8-79Technical specification for grounding design of power equipmentSY/T4090-95Technical specification for power generation facilities of Yahai oil projectSY5747·1995Safety rules for beach oil construction project1.0.5In addition to complying with this specification, the electrical installation of beach oil projects shall also comply with the provisions of the relevant standards and specifications currently in force in Taiwan. 2 General Provisions
2.1 General Requirements
2.1.1 The power supply of electrical equipment necessary for normal production and life of the platform (artificial island) must be guaranteed without resorting to emergency power supply. 2.1.2 In the event of failure of the main power supply, the power supply of electrical equipment necessary for safety should be ensured.
Electrical accidents should not endanger the safety of personnel and the platform (artificial island). 2.2 Environmental Conditions and Working Conditions
Electrical equipment should be suitable for the environmental conditions
(1) The highest and lowest ambient temperatures in the area where the platform (artificial island) is located (vibration and shock generated during normal production of the platform (artificial island) (3) Humid air, mold
(4) Chemically active substances such as salt spray, oil spray, sulfur dioxide and hydrogen sulfide; (5) Petroleum gas and natural gas in hazardous areas 2.2.2
Voltage and frequency
The recommended voltage level is: AC single-phase 110V, 220V: AC three-phase 380V, 10kV; DC 110V, 24V, 12V. 2.2.2.2 The standard frequency of AC power should be 50Hz22.2.3
Under normal operation, the voltage tolerance at the terminals of the electrical equipment (expressed as a percentage of the rated voltage) should be +6%, -10%, the frequency tolerance should be ±5%, and the voltage tolerance for equipment powered by batteries should be ±20%. 2.2.2.4 AC electrical equipment should be able to operate normally when the harmonic component of the power supply is not more than 5%. For those powered by semiconductor converters, they should be able to operate normally when large harmonic components may appear. 1
General requirements
2.3 Layout and installation
2.3.1.1 The layout and installation of electrical equipment should meet safety requirements and be easy to repair. The connection and fastening of electrical equipment should be prevented from loosening due to vibration. 2.3.1.2
2.3.1.3 For electrical equipment that can generate high temperature during operation, measures should be taken to prevent nearby objects from overheating and catching fire during installation.
When the temperature of the casing of the electrical equipment exceeds 80°C: protective measures should be taken.
2.3.1.5 Except for electrical equipment installed in special rooms, other electrical equipment with a voltage to ground or operating voltage exceeding 50V should have protective measures to prevent accidental contact with the live parts.
2.3.2 Casing protection
2.3.2.1 The casing protection type of electrical equipment should comply with the provisions of the "Classification of Casing Protection Levels". The signs and symbols indicating the protection level are composed of the letters IP followed by two digits:
Brief description
No protection
First digit (see Table 2.3.2-2)
Same digit (now Table 2.3.2-1)
Characteristic letter
Shell dust and solid performance table
Protection level
No special protection
Protection of solids larger than 30mm
Table 2.3.2-1
Large area. For example, (but Liu consciously connected to the pulp without protection of solids with a diameter of more than 50mml)
First digit
Second digit
Brief description
Protection larger than 1211[11 Solids larger than 2.5 mm
Solids larger than 10 mm
Solids larger than 10 mm
Protective equipment, etc.
Continued Table 2.3, 2-1
Fingers or similar objects: objects with a length not exceeding 80 mm and a diameter exceeding 12 mm
Tools, wires, etc. with a diameter or thickness greater than 2.5 mm, solids with a diameter greater than 2.5 mm
Thickness greater than 1.0 mm Solids with a diameter of more than 1.0mm
All dust should be prevented from entering, and the amount of dust entering should not reach the level that hinders the normal operation of the equipment
No dust entering
Shell waterproof performance table
Protection level
Brief description
No protection
13~Drip-proof
Ice-proof
Water-proof
Strong sea wave-proof
Water-proof
Submersible
Applicable.
No door protection
Vertical dripping should have no harmful effect
Table 2.3.2-2
When the equipment is at an angle of 15° to the vertical line, the dripping water should have no harmful effect. When the water is at an angle of 60° to the vertical line, the water should have no harmful effect. There is no effect on the water-proof feeling in any direction
Any direction No harmful effects from water flushing from any direction
The amount of water entering the casing during violent waves or strong water flushing should have no harmful effects. After being immersed in water at a specified pressure for a specified time. The amount of water entering the casing should have no harmful effects
It can be submerged for a long time. Its technical conditions are specified in the manufacturer. Usually, the equipment should be completely sealed, but for some types of equipment, water can be allowed to enter the equipment without causing harmful effects. The type of enclosure protection of electrical equipment should be consistent with the environmental conditions of the installation site. 2.3.3 Electromagnetic compatibility
2.3.3.1 The interference generated by the design, manufacture and installation of electrical equipment should not endanger the normal operation of communications and other related equipment. 23.3.2 The allowable values ​​of the interference voltage (current) produced by various electrical equipment and electronic equipment and the measures to suppress interference should comply with the relevant provisions of "Electromagnetic Compatibility of Ship Electrical and Electronic Equipment".2 The permissible values ​​of interference voltage (current) and interference suppression measures of various electrical equipment and electronic equipment should comply with the relevant provisions of "Electromagnetic Compatibility of Ship Electrical and Electronic Equipment".2 The permissible values ​​of interference voltage (current) and interference suppression measures of various electrical equipment and electronic equipment should comply with the relevant provisions of "Electromagnetic Compatibility of Ship Electrical and Electronic Equipment".
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