This standard specifies the various environmental conditions and parameter classifications that electrical and electronic products used on platforms are subjected to. This standard applies to the selection of environmental conditions and parameter levels when designing and formulating technical conditions for electrical and electronic products used on platforms. This standard can be used as a reference for electrical and electronic products used on single-point mooring devices and offshore floating devices. GB/T 13952-1992 Environmental Condition Parameter Classification for Electrical and Electronic Products for Mobile Platforms and Offshore Facilities GB/T13952-1992 Standard Download Decompression Password: www.bzxz.net
This standard specifies the various environmental conditions and parameter classifications that electrical and electronic products used on platforms are subjected to. This standard applies to the selection of environmental conditions and parameter levels when designing and formulating technical conditions for electrical and electronic products used on platforms. This standard can be used as a reference for electrical and electronic products used on single-point mooring devices and offshore floating devices.

National Standard of the People's Republic of China
Parametric classification of environmental conditions of electric and electronic productsfor mobile platforms and offshore installationsGB/T 13952—92
Mobile platforms and offshore installations (hereinafter referred to as "platforms") include various types of mobile platforms and fixed platforms for offshore exploration or development of submarine oil resources.
1 Subject content and scope of application
This standard specifies the various types of environmental conditions and parameter classifications to which electric and electronic products used on platforms are subjected. This standard applies to the selection of environmental conditions and parameter levels for electric and electronic products used on platforms when designing and formulating technical conditions. This standard can be used as a reference for electric and electronic products used for single-point mooring devices and offshore floating devices. 2 Reference standards
GB4798.3 Environmental conditions for the application of electric and electronic products Fixed use in weather-protected places GB4798.4 Environmental conditions for the application of electric and electronic products Fixed use in weather-free places GB4798.6 Environmental conditions for the application of electric and electronic products Marine 3 Environmental conditions and parameter levels in various parts of the platform The various environmental parameter levels listed in this standard are extreme conditions that electric and electronic products may encounter on the platform in a short period of time. When designing and formulating technical conditions for products, the corresponding environmental parameters should be specified based on the impact of the expected environmental conditions on the structural strength and working performance of the products.
For those not specified in this standard, they should comply with the relevant rules issued by the Ship Inspection Bureau of the People's Republic of China. 3.1 Climate and environmental conditions
The parameter levels of climate and environmental conditions are shown in Table 1. Table 1
Environmental parameter level
Freezing point of seawater 2)
Approved by the State Administration of Technical Supervision on December 19, 1992 General cabins
Platform locations
1. Platform sky decks and deck cabins without insulation measures Refrigerated areas on the platform
Platform open decks and deck cabins without insulation measures operating in cold seas
Platforms that are periodically immersed in seawater or may be reached by waves and have sea Location of water accumulation
1993-07-01 implementation
Environmental parameter level
Air/air
Temperature change rate
Not accompanied by sharp
Temperature change
Accompanied by air/air
Sharp temperature change
Rainfall
mm/min
Solar radiation
Thermal radiation
GB/T 13952—92
Continued Table 1
-25/+20
—25/+40
95% +30℃
+35℃
+45℃
High relative
High absolute
25/+35
Platform location
General cabins and open decks (+45℃ in tropical seas) Open decks directly exposed to the sun
2. Generator cabins, boiler cabins, etc. Cabins equipped with large heating equipment Mud mixing tanks, circulating pump cabins, etc. Cabins where mud system devices are located 3.
Room 3)
Unventilated closed cabins, and the surface is exposed to solar radiation 1
2. Enclosed spaces with heating elements
Platforms working in general sea areas
Platforms working in high-temperature sea areas
Equipment in places without weather protection, equipment in the engine room before temperature change or during heating process
General cabins
Locations working in hot and humid or stable condensing climates 1. Mud tank cabins and similar places 4)
2. Unventilated closed cabins with wet surfaces inside (water evaporation) and solar radiation on the outside
In refrigerated areas on platforms and areas near open deck exits Unventilated closed cabins with wet surfaces inside and solar radiation on the outside, +70/+15
and rain or water spray
Open deck
D Open deck of platforms working in hurricane-prone seas Open deck
Open deck of platforms working in seas with abnormal rainfall Open deck Parts of cabins subject to solar radiation through windows Open deck
1. Near heating equipment
2. Near medium-heating equipment in the engine room
Near large-heating equipment in the engine room
Environmental parameter level
Water from other sources than rain
GB/T 13952--92
Continued Table 1
Parts subject to dripping water
Parts of the platform
Parts subject to water column washing
Parts subject to wave washing
Note: 1) Products in non-working state may be required to withstand a low temperature environment of -55℃. 2) Since seawater contains salt and other substances, the freezing point of seawater is below 0℃. 3) During drilling operations, the mud tank will have a high temperature of 60℃. 4) During drilling operations, the temperature may reach 60°C and the relative humidity may reach 95%. 3.2 Biological environmental conditions
Biological environmental conditions parameters are shown in Table 2
In the air
In the seawater
Attached plants
Attached animals
3.3 Environmental conditions for chemically active substances
3.3.1 Salt spray in the air
Parameter levels of salt spray in the air are shown in Table 3.
Environmental parameter levels
3.3.2 Oil mist in the air
Parameter levels of oil mist in the air are shown in Table 4.
Environmental parameter level
3.3.3 Locations where chemically active substances from other sources in the air are present
Working in locations where molds are likely to growWorking in locations where rodents and other harmful animals are presentWorking in locations that are submerged or periodically submerged in seawaterAreas suitable for the growth of plants (such as sea cucumbers) and animals (such as oysters) in seawaterTable 3
Platform location
General cabin
Fixed platform open deck
Mobile platform open deck Deck
Platform locations
General engine room
Parameter levels of chemically active substances from other sources in the air in engine room diesel engine vicinity, oil separator compartment, oil (diesel) tank compartment, etc. See Table 5. 243
Environmental parameter level
Chemical medium\
Maximum value\)
Average value
Maximum value
Average value
Maximum value
Average value
Maximum value
mg /ms
GB/T 13952—92
Platform locations
Living cabin, general cabin
Open deck around living cabin (or platform) A small amount
Open or semi-open production areas
Exposed parts of mud system on deck
1. Platforms with high oil and gas flow in the well, production parts in the cabin
2. Mud system exposure parts in the cabin
Note: 1) When one chemical medium reaches the value listed in the table, it is this level; if two or more chemical media appear at the same time, the higher level is selected. 2) The maximum value refers to the extreme value that appears for more than 30 minutes. Chemically active substances in water
Sea salt 30kg/m2.
3.4 ​​Explosive gas environment
The parameter levels of explosive gas environment conditions are shown in Table 6. Table 6
Environmental parameter level
Hazardous area category
0 hazardous area
1 hazardous area
Existence of explosive gas mixture
Continuous or long-term existence
Explosive gas mixture
In normal operation,
Explosive gas mixture may appear
Places and places on the platform1)
Mud circulation system between the wellhead and the terminal outlet of the degassing discharge pipe, as well as the internal space of the closed tanks and systems of oil and gas products or places where explosive mixed gas appears continuously and for a long time or frequently in a short period of time1. The mud circulation system between the wellhead and the terminal outlet of the degassing discharge pipe, and the closed space with openings leading to it
2. In outdoor or semi-enclosed places, from any opening of the mud circulation system equipment specified in item 1 above and the ventilation outlet boundary of the Class 1 hazardous area upward and around 1.3. Closed or semi-closed spaces below the drilling platform where oil and gas may leak, and closed spaces with openings connected to such spaces
4. Closed spaces on the drilling platform and closed spaces with openings connected to such locations5. In places where oil and gas are likely to accumulate and where ventilation is poor, or unventilated spaces connected to Class 2 hazardous areas
Environmental parameter level
Class of hazardous areas
Class 2 hazardous areas
GB/T 13952-92
Continued Table 6
Presence of explosive gas mixture
In normal operation, it is unlikely
that explosive gas mixture will appear; if it does appear, it will only be for a short time
Platform locations\
1. 1. A closed space with an opening to the mud circulation system from the terminal outlet of the degassing discharge pipe to the mud pump suction pipe in the mud pool. 2. Within the boundary of the drilling rig, in the open air area within 3m from the rig floor, if the shielding height of the semi-enclosed drilling rig exceeds 3㎡, the enclosure height shall prevail. 3. A semi-enclosed space within any enclosure where oil and gas may accumulate under and near the rig or close to the boundary of the drilling rig. 4. An open air area with a radius of 3m under the rig with the possible oil and gas source as the center. 5. An area within 1.5m and 3m downward from the boundary of the place specified in item 2 of the Class 1 hazardous area. 6. An area within 1.5m and 3m downward from the opening of the semi-enclosed space specified in item 3 of the Class 1 hazardous area. 7. An area within 1.5m and 3m downward from the boundary of the ventilation outlet of the enclosed space in the Class 2 hazardous area. 8. Equipment installed in open air for processing, transporting and storing crude oil and natural gas products, containers and pipelines with a radius of 3m around the source of possible leakage, and similar places as mentioned above
Note: 1) The places listed in the table are only for mobile drilling platforms. Other types of platforms and offshore facilities should comply with the relevant provisions of the corresponding "Safety Rules" of the Ship Inspection Bureau.
2) Normal operation means that the equipment works within its design parameters. 3.5 Environmental conditions for mechanically active substances
The parameter levels of environmental conditions for mechanically active substances are shown in Table 7. Table 7
Environmental parameter level
3.6 Mechanical environmental conditions
mg/m'd
3.6.1 Steady-state vibration (sinusoidal)
With weather protection
Without weather protection,
With weather protection,
Without weather protection
Without weather protection
Electrical and electronic products for mobile platforms shall be selected according to Table 8. Location of platform
Exhaust location of cement and soil powder tank
2. Exhaust part of boiler
Adjacent cabins or decks with connecting passages (such as doors and windows) to cement and soil powder tanks
Cement tanks, soil powder tanks, etc.
13.2~~100
25~~100
GB/T13952-92
Environmental parameter level
Displacement amplitude
Fixed platform electrical and electronic products shall be selected according to Table 9. Environmental parameter level
10～100
25～100
3.6.2 Impact
Displacement amplitude
Mobile platform electrical and electronic products shall be selected according to Table 10. Environmental parameter level
Peak acceleration
Category 1 shock spectrum
Category 2 shock spectrum
Acceleration amplitude
Acceleration amplitude
Category ⅢI shock spectrum
Note: 1) Electrical and electronic products directly installed on offshore facilities will encounter more severe shocks. The three shock spectra are shown in Figure 1.
Platform location
General cabin
On reciprocating machine
Platform location
General cabin
On reciprocating machine
Platform location
General cabin
Well deck
Ice area work1)
Cargo system (including crane, guide rail, etc.) 2.0
GB/T13952
Class 1 spectrum: pulse width = 11 ms, Class I1 spectrum: pulse width = 6ms, Class IIIII spectrum: pulse width = 2.3msFixed platform electrical and electronic products are selected according to Table 11. Table 11
Environmental parameter level
Bee value acceleration
Class L shock spectrum
The three shock spectra are shown in Figure 2.
[Class I shock spectrum
Class II shock spectrum
Platform location
Located at a location that can effectively protect against shock
Located at a location where shock energy can be transmitted, such as underground blasting, piling, etc.
Located at a location with high-intensity shock, such as mechanical shock, conveyor belt, etc.
Class I shock spectrum: pulse width = 22ms, Class II shock spectrum: pulse width = 11ms, Class II shock spectrum: pulse width = 6ms247
3.6.3 Inclination
GB/T13952--92
The inclination angle of ship-type and barge-type platforms is selected from Table 12. Table 12
Note: Pitch and heel may appear at the same time. Tilt
Accessories
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Fixed, self-elevating, semi-submersible and bottom-mounted platforms. Tilt angles are selected from Table 13. Table 13
Tilt angles in any direction
Fixed
Self-elevating
Semi-submersible and bottom-mounted
(25)1)
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Note: 1) Applicable only to emergency generators and emergency batteries on semi-submersible and bottom-mounted platforms. 3.6.4 Sway
Swing parameters for ship-type and barge-type platforms are selected from Table 14. Table 14
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Swing parameters for self-elevating, semi-submersible and bottom-mounted platforms are selected from Table 15. Table 15
Self-elevating platform
Any direction angle
Semi-submersible and bottom-mounted platform
Any direction angle
Emergency electrical equipment, switchgear, electrical and electronic equipment and other equipmentAdditional instructions:
GB/T1395292
This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Environmental Technical Standardization of Electrical and Electronic Products. This standard was jointly drafted by the Guangzhou Electrical Science Research Institute of the Ministry of Machinery and Electronics Industry, the Marine Ship Standardization Science Research Institute of the Ship Inspection Bureau of the People's Republic of China, the Standardization Research Office of the China Ship Research Institute, and the Nanyang Explosion-proof Electrical Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Chen Weibang, Liu Zhonglai, Kong Linghuang, Chang Zhenjiang, Huang Yuzhou, and Gu Zhixiong. From the date of implementation of this standard, the former Ministry of Machinery and Electronics Industry Standard JB4386.1-88 "Environmental Condition Parameter Classification of Electrical and Electronic Products for Mobile Platforms and Offshore Facilities" shall be invalid. 2495m down 3m area
7. Area within 1.5m up and 3m down around the ventilation outlet boundary of the enclosed space in Class 2 hazardous area
8. Equipment installed in the open air for handling, transporting and storing crude oil and natural gas products, containers and pipelines with a radius of 3m around the source of possible leakage, and similar places as mentioned above
Note: 1) The places listed in the table are only mobile drilling platforms. Other types of platforms and offshore facilities should comply with the relevant provisions of the corresponding "Safety Rules" of the Ship Inspection Bureau.
2) Normal operation means that the equipment works within its design parameter range. 3.5 Environmental conditions for mechanically active substances
The parameter levels of environmental conditions for mechanically active substances are shown in Table 7. Table 7
Environmental parameter level
3.6 Mechanical environmental conditions
mg/m'd
3.6.1 Steady-state vibration (sinusoidal)
With weather protection
Without weather protection,
With weather protection,
Without weather protection
Without weather protection
Electrical and electronic products for mobile platforms shall be selected according to Table 8. Location of platform
Exhaust location of cement and soil powder tank
2. Exhaust part of boiler
Adjacent cabins or decks with connecting passages (such as doors and windows) to cement and soil powder tanks
Cement tanks, soil powder tanks, etc.
13.2~~100
25~~100
GB/T13952-92
Environmental parameter level
Displacement amplitude
Fixed platform electrical and electronic products shall be selected according to Table 9. Environmental parameter level
10～100
25～100
3.6.2 Impact
Displacement amplitude
Mobile platform electrical and electronic products shall be selected according to Table 10. Environmental parameter level
Peak acceleration
Category 1 shock spectrum
Category 2 shock spectrum
Acceleration amplitude
Acceleration amplitude
Category ⅢI shock spectrum
Note: 1) Electrical and electronic products directly installed on offshore facilities will encounter more severe shocks. The three shock spectra are shown in Figure 1.
Platform location
General cabin
On reciprocating machine
Platform location
General cabin
On reciprocating machine
Platform location
General cabin
Well deck
Ice area work1)
Cargo system (including crane, guide rail, etc.) 2.0
GB/T13952
Class 1 spectrum: pulse width = 11 ms, Class I1 spectrum: pulse width = 6ms, Class IIIII spectrum: pulse width = 2.3msFixed platform electrical and electronic products are selected according to Table 11. Table 11
Environmental parameter level
Bee value acceleration
Class L shock spectrum
The three shock spectra are shown in Figure 2.
[Class I shock spectrum
Class II shock spectrum
Platform location
Located at a location that can effectively protect against shock
Located at a location where shock energy can be transmitted, such as underground blasting, piling, etc.
Located at a location with high-intensity shock, such as mechanical shock, conveyor belt, etc.
Class I shock spectrum: pulse width = 22ms, Class II shock spectrum: pulse width = 11ms, Class II shock spectrum: pulse width = 6ms247
3.6.3 Inclination
GB/T13952--92
The inclination angle of ship-type and barge-type platforms is selected from Table 12. Table 12
Note: Pitch and heel may appear at the same time. Tilt
Accessories
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Fixed, self-elevating, semi-submersible and bottom-mounted platforms. Tilt angles are selected from Table 13. Table 13
Tilt angles in any direction
Fixed
Self-elevating
Semi-submersible and bottom-mounted
(25)1)
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Note: 1) Applicable only to emergency generators and emergency batteries on semi-submersible and bottom-mounted platforms. 3.6.4 Sway
Swing parameters for ship-type and barge-type platforms are selected from Table 14. Table 14
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Swing parameters for self-elevating, semi-submersible and bottom-mounted platforms are selected from Table 15. Table 15
Self-elevating platform
Any direction angle
Semi-submersible and bottom-mounted platform
Any direction angle
Emergency electrical equipment, switchgear, electrical and electronic equipment and other equipment Additional notes:
GB/T1395292
This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Environmental Technical Standardization of Electrical and Electronic Products. This standard was jointly drafted by the Guangzhou Electrical Science Research Institute of the Ministry of Machinery and Electronics Industry, the Marine Ship Standards Science Research Institute of the Ship Inspection Bureau of the People's Republic of China, the Standardization Research Office of the China Ship Research Institute, and the Nanyang Explosion-proof Electrical Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Chen Weibang, Liu Zhonglai, Kong Linghuang, Chang Zhenjiang, Huang Yuzhou, and Gu Zhixiong. From the date of implementation of this standard, the former Ministry of Machinery and Electronics Industry Standard JB4386.1-88 "Classification of Environmental Condition Parameters of Electrical and Electronic Products for Mobile Platforms and Offshore Facilities" shall be invalid. 2495m down 3m area
7. Area within 1.5m up and 3m down around the ventilation outlet boundary of the enclosed space in Class 2 hazardous area
8. Equipment installed in the open air for handling, transporting and storing crude oil and natural gas products, containers and pipelines with a radius of 3m around the source of possible leakage, and similar places as mentioned above
Note: 1) The places listed in the table are only mobile drilling platforms. Other types of platforms and offshore facilities should comply with the relevant provisions of the corresponding "Safety Rules" of the Ship Inspection Bureau.
2) Normal operation means that the equipment works within its design parameter range. 3.5 Environmental conditions for mechanically active substances
The parameter levels of environmental conditions for mechanically active substances are shown in Table 7. Table 7
Environmental parameter level
3.6 Mechanical environmental conditions
mg/m'd
3.6.1 Steady-state vibration (sinusoidal)
With weather protection
Without weather protection,
With weather protection,
Without weather protection
Without weather protection
Electrical and electronic products for mobile platforms shall be selected according to Table 8. Location of platform
Exhaust location of cement and soil powder tank
2. Exhaust part of boiler
Adjacent cabins or decks with connecting passages (such as doors and windows) to cement and soil powder tanks
Cement tanks, soil powder tanks, etc.
13.2~~100
25~~100
GB/T13952-92
Environmental parameter level
Displacement amplitude
Fixed platform electrical and electronic products shall be selected according to Table 9. Environmental parameter level
10～100
25～100
3.6.2 Impact
Displacement amplitude
Mobile platform electrical and electronic products shall be selected according to Table 10. Environmental parameter level
Peak acceleration
Category 1 shock spectrum
Category 2 shock spectrum
Acceleration amplitude
Acceleration amplitude
Category ⅢI shock spectrum
Note: 1) Electrical and electronic products directly installed on offshore facilities will encounter more severe shocks. The three shock spectra are shown in Figure 1.
Platform location
General cabin
On reciprocating machine
Platform location
General cabin
On reciprocating machine
Platform location
General cabin
Well deck
Ice area work1)
Cargo system (including crane, guide rail, etc.) 2.0Www.bzxZ.net
GB/T13952
Class 1 spectrum: pulse width = 11 ms, Class I1 spectrum: pulse width = 6ms, Class IIIII spectrum: pulse width = 2.3msFixed platform electrical and electronic products are selected according to Table 11. Table 11
Environmental parameter level
Bee value acceleration
Class L shock spectrum
The three shock spectra are shown in Figure 2.
[Class I shock spectrum
Class II shock spectrum
Platform location
Located at a location that can effectively protect against shock
Located at a location where shock energy can be transmitted, such as underground blasting, piling, etc.
Located at a location with high-intensity shock, such as mechanical shock, conveyor belt, etc.
Class I shock spectrum: pulse width = 22ms, Class II shock spectrum: pulse width = 11ms, Class II shock spectrum: pulse width = 6ms247
3.6.3 Inclination
GB/T13952--92
The inclination angle of ship-type and barge-type platforms is selected from Table 12. Table 12
Note: Pitch and heel may appear at the same time. Tilt
Accessories
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Fixed, self-elevating, semi-submersible and bottom-mounted platforms. Tilt angles are selected from Table 13. Table 13
Tilt angles in any direction
Fixed
Self-elevating
Semi-submersible and bottom-mounted
(25)1)
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Note: 1) Applicable only to emergency generators and emergency batteries on semi-submersible and bottom-mounted platforms. 3.6.4 Sway
Swing parameters for ship-type and barge-type platforms are selected from Table 14. Table 14
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Swing parameters for self-elevating, semi-submersible and bottom-mounted platforms are selected from Table 15. Table 15
Self-elevating platform
Any direction angle
Semi-submersible and bottom-mounted platform
Any direction angle
Emergency electrical equipment, switchgear, electrical and electronic equipment and other equipment Additional notes:
GB/T1395292
This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Environmental Technical Standardization of Electrical and Electronic Products. This standard was jointly drafted by the Guangzhou Electrical Science Research Institute of the Ministry of Machinery and Electronics Industry, the Marine Ship Standards Science Research Institute of the Ship Inspection Bureau of the People's Republic of China, the Standardization Research Office of the China Ship Research Institute, and the Nanyang Explosion-proof Electrical Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Chen Weibang, Liu Zhonglai, Kong Linghuang, Chang Zhenjiang, Huang Yuzhou, and Gu Zhixiong. From the date of implementation of this standard, the former Ministry of Machinery and Electronics Industry Standard JB4386.1-88 "Classification of Environmental Condition Parameters of Electrical and Electronic Products for Mobile Platforms and Offshore Facilities" shall be invalid. 2493ms fixed platform electrical and electronic products are selected according to Table 11. Table 11
Environmental parameter level
Bee value acceleration
L type shock spectrum
The three shock spectra are shown in Figure 2.
[Class I shock spectrum
Class II shock spectrum
Platform location
Located at a location that can effectively protect against shock
Located at a location where shock energy can be transmitted, such as underground blasting, piling, etc.
Located at a location with high-intensity shock, such as mechanical shock, conveyor belt, etc.
Class I shock spectrum: pulse width = 22ms, Class II shock spectrum: pulse width = 11ms, Class II shock spectrum: pulse width = 6ms247
3.6.3 Inclination
GB/T13952--92
The inclination angle of ship-type and barge-type platforms is selected from Table 12. Table 12
Note: Pitch and heel may appear at the same time. Tilt
Accessories
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Fixed, self-elevating, semi-submersible and bottom-mounted platforms. Tilt angles are selected from Table 13. Table 13
Tilt angles in any direction
Fixed
Self-elevating
Semi-submersible and bottom-mounted
(25)1)
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Note: 1) Applicable only to emergency generators and emergency batteries on semi-submersible and bottom-mounted platforms. 3.6.4 Sway
Swing parameters for ship-type and barge-type platforms are selected from Table 14. Table 14
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Swing parameters for self-elevating, semi-submersible and bottom-mounted platforms are selected from Table 15. Table 15
Self-elevating platform
Any direction angle
Semi-submersible and bottom-mounted platform
Any direction angle
Emergency electrical equipment, switchgear, electrical and electronic equipment and other equipment Additional notes:
GB/T1395292
This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Environmental Technical Standardization of Electrical and Electronic Products. This standard was jointly drafted by the Guangzhou Electrical Science Research Institute of the Ministry of Machinery and Electronics Industry, the Marine Ship Standards Science Research Institute of the Ship Inspection Bureau of the People's Republic of China, the Standardization Research Office of the China Ship Research Institute, and the Nanyang Explosion-proof Electrical Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Chen Weibang, Liu Zhonglai, Kong Linghuang, Chang Zhenjiang, Huang Yuzhou, and Gu Zhixiong. From the date of implementation of this standard, the former Ministry of Machinery and Electronics Industry Standard JB4386.1-88 "Classification of Environmental Condition Parameters of Electrical and Electronic Products for Mobile Platforms and Offshore Facilities" shall be invalid. 2493ms fixed platform electrical and electronic products are selected according to Table 11. Table 11
Environmental parameter level
Bee value acceleration
L type shock spectrum
The three shock spectra are shown in Figure 2.
[Class I shock spectrum
Class II shock spectrum
Platform location
Located at a location that can effectively protect against shock
Located at a location where shock energy can be transmitted, such as underground blasting, piling, etc.
Located at a location with high-intensity shock, such as mechanical shock, conveyor belt, etc.
Class I shock spectrum: pulse width = 22ms, Class II shock spectrum: pulse width = 11ms, Class II shock spectrum: pulse width = 6ms247
3.6.3 Inclination
GB/T13952--92
The inclination angle of ship-type and barge-type platforms is selected from Table 12. Table 12
Note: Pitch and heel may appear at the same time. Tilt
Accessories
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Fixed, self-elevating, semi-submersible and bottom-mounted platforms. Tilt angles are selected from Table 13. Table 13
Tilt angles in any direction
Fixed
Self-elevating
Semi-submersible and bottom-mounted
(25)1)
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Note: 1) Applicable only to emergency generators and emergency batteries on semi-submersible and bottom-mounted platforms. 3.6.4 Sway
Swing parameters for ship-type and barge-type platforms are selected from Table 14. Table 14
Equipment other than the above listed emergency electrical equipment, switchgear, electrical and electronic equipment
Swing parameters for self-elevating, semi-submersible and bottom-mounted platforms are selected from Table 15. Table 15
Self-elevating platform
Any direction angle
Semi-submersible and bottom-mounted platform
Any direction angle
Emergency electrical equipment, switchgear, electrical and electronic equipment and other equipment Additional notes:
GB/T1395292
This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Environmental Technical Standardization of Electrical and Electronic Products. This standard was jointly drafted by the Guangzhou Electrical Science Research Institute of the Ministry of Machinery and Electronics Industry, the Marine Ship Standards Science Research Institute of the Ship Inspection Bureau of the People's Republic of China, the Standardization Research Office of the China Ship Research Institute, and the Nanyang Explosion-proof Electrical Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Chen Weibang, Liu Zhonglai, Kong Linghuang, Chang Zhenjiang, Huang Yuzhou, and Gu Zhixiong. From the date of implementation of this standard, the former Ministry of Machinery and Electronics Industry Standard JB4386.1-88 "Classification of Environmental Condition Parameters of Electrical and Electronic Products for Mobile Platforms and Offshore Facilities" shall be invalid. 249
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