SJ 20589-1996 General specification for power distribution subsystem of ground radar
Some standard content:
Military Standard of the Electronic Industry of the People's Republic of China FL1285
General Specification for Ground Radar Power Supply System
SJ 20589-1996
General Specification for Ground Radar Power Supply subsystems
(Draft for Approval)
Published on August 30, 1996
Ministry of Electronics Industry of the People's Republic of China
Implemented on January 1, 1997
Referenced Documents:
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General specification for ground radar power supply subsystems, military standard of the People's Republic of China's electronics industry
General specification for ground radar power supply subsystems1 Loop
1.1 Subject content
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This specification specifies the requirements, quality assurance regulations and delivery preparation of ground radar power supply subsystems. 1.2 Scope of application
This specification applies to ground radar power supply subsystems (hereinafter referred to as power supply subsystems) and is the basic basis for design, production, inspection and formulation of product specifications. 2 Reference documents
GB 3784--83
GB 7159 -- 87
GJB 74.2-85
GJB 74.4—85
GJB 74.5- 85
GJB 74,6—-85
GJB 74.9—85
GJB 74.14 - 88
Radar terminology
Text characters in electrical technology Guide the formulation of general technical conditions for military ground radars Terminology Technical conditions Project format
General technical conditions for military ground radars
General technical conditions for military ground radars Design and manufacturing requirements General technical components for military ground radars
Environmental conditions requirements and tests
General technical conditions for military ground radars
Acceptance rules
Marking, packaging, transportation,
General technical components for ground radars
The Ministry of Electronics Industry of the People's Republic of China issued in 199 and implemented in 199
GJB100-86
GJB 151.4-86
GJB152-86
JB17986
GJB 368.2--87
GJB 368.5--87
GJB 437 - 88
GJB 438-88
GJB 439 88
GJB 899-90
GJR × 207.1-82
9[28[1.1 17
SJ XXXX-XX
3 Requirements
3.1 Qualification
Basic dimensions of panels, racks and frames Series of electromagnetic emission and sensitivity requirements for military equipment and subsystems Requirements for equipment and subsystems in ground installations (national and mobile including tracked and wheeled vehicles) (Class A3)
Electromagnetic emission and sensitivity measurement of military equipment and subsystems Counting sampling inspection procedures and tables
General specifications for equipment maintenance Basic requirements for maintainability General specifications for equipment maintenance Maintainability testing and evaluation Military software development specifications
Military software documentation compilation specifications
Military software quality assurance specifications
Reliability identification and acceptance test
Performance test methods for power distribution subsystems Common performance of DC power supply and single-phase AC power supply
Management system for design documents
Terms and definitions of general DC regulated power supply, storage and rated values General safety requirements and test methods for ground radars Products submitted in accordance with this specification should be products that have been qualified or approved for finalization. 3.2 Design
3.2.1 Dimensions
The design of the cabinets, chassis, plug-ins and accessories of the power distribution subsystem shall comply with the provisions of GJB100. Minimize the variety of products in the same product, and make them universal and interchangeable. Limit the use of cabinets of special sizes. 3.2.2 Weight
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The weight of a single unit of the power distribution subsystem shall generally be less than 20kg. Components weighing more than 10kg or that are not easy to hold or move by hand shall be equipped with handles. The load of a single handle shall not exceed 30kg. When the weight exceeds 150kg, the component shall be designed to be detachable as much as possible. 3.2.3 Standardization
The standardization requirements are as follows:
a. It shall comply with the provisions of Article 1.2 of G3B 74.5h. In the design, standard parts of all levels should be used to the maximum extent: C, power supplies of the same type should be interchangeable:
d, and the completeness of the design documents should comply with the provisions of Article 6.3 of SJ207,1. 3.2.4 Reliability design should comply with the provisions of Article 3.4.3 of GJB 74.5. 3.2.5 Maintainability design should comply with the provisions of Article 1.3.2 of GJB74.5 and Chapter 2 of GJB368,2. 3.2.6 Electromagnetic compatibility design should comply with the provisions of Article 1.8 of GJB 74,5. 3.2.7 Thermal design should comply with the provisions of Article 3.5 of GJB74.5. 3.2.8 Safety design should comply with the provisions of Article 1.9 of GJB 74,5. 3.2.9 Software development should comply with the provisions of GJB437, software documentation should comply with the provisions of GJB438, and software quality assurance should comply with the provisions of GJB439. 3.3 Materials
The selection of materials shall comply with the provisions of Article 4.9 of GJB74.5. 3.4 Components and Printed Boards
The selection and design of components and printed boards shall comply with the provisions of Articles 4.1, 4.2, 4.3 and 4.8 of GJB74.5.
3.5 Reliability
The mean time between failures (HTBE) shall be specified by the product specifications. 3.6 Maintainability
The mean time to repair (MITR) shall be specified by the product specifications. 3.7 Performance requirements
3.7.1 Performance parameters of low voltage DC regulated power supply The performance parameters of low voltage DC regulated power supply are divided into six levels from F to F, see Table 1.3
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3.7.2 Frequency variation requirements of power supply
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The frequency variation range of power supply shall not exceed the rated value by 2%. Special circumstances shall be specified by product specifications. 3.7.3 Requirements for voltage variation of power supply
The voltage variation range of power supply shall not exceed ±10% of the rated value. Special cases shall be specified by product specifications. 3.7.4 Requirements for sinusoidal AC power supply
Under rated load conditions, sinusoidal AC power supply shall meet the following requirements: 8. The distortion of sinusoidal AC voltage waveform shall not exceed 10%. b. The crest factor of sinusoidal AC voltage shall be within 1.41 ±0.15. G--. The modulation degree of sinusoidal AC voltage shall not exceed 2%. 3.7.5 Requirements for sinusoidal AC regulated power supply
3.7.5.1 Source voltage effect
When the input voltage varies ±10% relative to the rated value, the output voltage variation range shall not exceed ±2% of the rated value.
3.7,5.2 Load effect
When the output load changes from no-load to rated load, or from rated load to no-load, the output voltage variation range shall not exceed ±3% of the rated value. 3.7.5.3 Voltage drift
The voltage drift range shall not exceed ±1% of the rated value within 8h. 3.7.5.4 Temperature effect
Specified by the product specification.
3.7,5.5 Response time
The response time shall be specified by the product specification.
3.7.5.6 Overcurrent protection
Specified by the product specification.
Parameter name
Load effect
Source voltage effect
3 Cycle and random offset
The input voltage is the lower limit, rated value and upper limit respectively; the load is the variable influence quantity. The load is the rated value; the input voltage is the variable influence quantity. The load is divided into rated value and minimum value, and the input voltage is the lower limit, rated value and upper limit respectively: the rated frequency range is 20Hz~10Hz.
Shift, input voltage and load are rated values; frequency range is 0~20Hz; time interval is 8h. 5 Temperature effect
Input voltage and load are rated values.
6 "Source voltage transient effect" Load is rated value: input voltage is step impact quantity. 7 "Load transient effect
8i Efficiency
9 Switching overshoot amplitude
Input voltage is the lower limit, rated value and upper limit respectively: load is step impact quantity. Input voltage and load are rated values.
Load is rated value: auxiliary input voltage is the lower limit, rated value and upper limit respectively, 10 Output impedance input voltage, output voltage are rated value: load current is 50% of rated value 11 Overcurrent protection
Input voltage and output voltage are rated values. 12 Overvoltage protection
Input voltage and load are rated values.
For: ① Source voltage
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AC input voltage change range is rated reading ±10%, gate.C, input voltage change range is rated value ±15%, if there are special requirements, it shall be specified by product specifications. Negative current change range is 0~100% of rated value, or specified by product specifications. ?|| tt||The power supply power variation range is ±2% of the rated value. ?
The output voltage error range is ±2% of the rated value or as specified by the product specification. ?
?The AC input voltage waveform distortion is 10%. ③The peak-to-peak value of the DC input voltage ripple voltage does not exceed 10% of the rated voltage. ①The three-phase voltage imbalance is ±5%.
3.7.5.7 Overvoltage protection
Specified by the product specification.
3.7.6 Distribution balance requirements
On the belt Three-phase symmetrical load of 25% rated power: Then add a resistive load of 25% rated phase power to any phase, and the following requirements shall be met: &, the phase angle difference between any two phases of the three-phase sinusoidal AC power supply is within 120±5°. b, the line voltage deviation of the three-phase sinusoidal AC power supply does not exceed 5% of the average value of the three line voltages 3.8 Safety
Insulation resistance and dielectric strength shall comply with the provisions of Article 3.7.11 of SJ××X×. 3.9 Electromagnetic compatibility
Electromagnetic emission and sensitivity shall comply with GJB 151.4 requirements, the test items shall comply with the requirements of the "power supply" column in Table 1 of GJB 151, 4.
3.10 Environmental adaptability
The environmental requirements of the power distribution subsystem shall meet the requirements of the whole machine. The general requirements shall comply with the requirements of Chapter 3 of GJB 74.6. 3,10.2
Test items
Test the following items after high temperature, constant heat, low temperature, shock and vibration tests: load effect, source voltage effect, periodic and random offset of DC regulated power supply: source voltage effect and negative voltage effect of AC regulated power supply.
3.10.4 High temperature
Select parameters according to Table 3 and Table 3 of Chapter 4 of GJB 74.6 or the parameters specified by the product specification. After the high temperature test, in addition to testing the items specified in Article 3.10, 3, the drift of the DC regulated power supply and the voltage shift of the AC regulated power supply shall also be tested.
Place of use
Working temperature
Storage temperature
3.10.5 Steady damp heat
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Select parameters according to Table 6, Chapter 6 of GJB74.6 or parameters specified by product specifications. After the steady damp heat test, in addition to testing the items specified in Article 3.10.3, the insulation resistance should also be tested. 3.10.6 Low temperature
Select parameters according to Chapter 7 of GJB74,6 or parameters specified by product specifications. After the low temperature test, in addition to testing the items specified in Article 3.10.3, the source shift of the DC regulated power supply and the voltage drift of the AC regulated power supply should also be tested.
3.10.7 Type shock
Select parameters according to Table 8 and Table 9, Chapter 8 of GJB74.6 or parameters specified by product specifications. 3.10.8 Vibration
Select parameters according to Table 10 and Table 11 of Chapter 9 of GJB74.6. Parameters specified by product specifications. 3.10.9 Sports car
Select parameters according to Chapter 10 of GJB74.6 (should be consistent with the whole machine). Determine the nominal voltage after the sports car test. 3.11 Marking and code
The marking and code shall comply with the relevant provisions of Article 3.6.3 of GJB74.5, and the characters and numbers shall comply with the provisions of Table 1 and Table 2 of GB7159.
3.12 Surface condition and color
&, the surface condition and its treatment shall comply with the provisions of Article 4.11 of GJB74.5; b. Unless otherwise specified, the color of the distribution subsystem shall comply with the provisions of Article 4.11.3 of GJB74.5. 3.13 Appearance Quality
The outer surface of the distribution subsystem should be free of defects such as resistance marks, magnetic damage, cracks, deformation, etc.; the coating layer should not be blistering,6 Distribution balance requirements
When carrying a three-phase symmetrical load of 25% rated power: and then adding a resistive load of 25% rated phase power to any phase, the following requirements shall be met: &, the phase angle difference between any two phases of the three-phase sinusoidal AC power supply is within 120±5°. b, the line voltage deviation of the three-phase sinusoidal AC power supply does not exceed 5% of the average value of the three line voltages 3.8 Safety
Insulation resistance and dielectric strength shall comply with the provisions of Article 3.7.11 of SJ××X×. 3.9 Electromagnetic compatibility
Electromagnetic emission and sensitivity shall comply with the requirements of GJB 151.4, and the test items shall comply with the requirements of the "Power Supply" column in Table 1 of GJB151, 4.
3.10 Environmental adaptability
The environmental requirements of the distribution subsystem shall meet the requirements of the whole machine. General requirements shall comply with the requirements of Chapter 3 of GJB74.6. 3,10.2
Test items
After high temperature, constant temperature, low temperature, shock and vibration tests, test the following items: load effect, source voltage effect, periodic and random offset of DC regulated power supply: source voltage effect and negative voltage effect of AC regulated power supply.
3.10.4 High temperature
Select parameters according to Table 3 and Table 3 of Chapter 4 of GJB 74.6 or the parameters specified by the product specification. After the high temperature test, in addition to testing the items specified in Article 3.10,3, the drift of DC regulated power supply and the voltage shift of AC regulated power supply should also be tested.
Place of use
Working temperature
Storage temperature
3.10.5 Constant humidity and heat
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Select parameters according to Table 6 of Chapter 6 of GJB74.6 or the parameters specified by the product specification. After the steady-state damp heat test, in addition to testing the items specified in Article 3.10.3, the insulation resistance should also be tested. 3.10.6 Low temperature
Select parameters according to Chapter 7 of GJB74.6 or the parameters specified by the product specification. After the low temperature test, in addition to testing the items specified in Article 3.10.3, the source shift of the DC stabilized power supply and the voltage drift of the AC stabilized power supply should also be tested.
3.10.7 Type shock
Select parameters according to Table 8 and Table 9 of Chapter 8 of GJB74.6 or the parameters specified by the product specification. 3.10.8 Vibration
Select parameters according to Table 10 and Table 11 of Chapter 9 of GJB74.6 or the parameters specified by the product specification. 3.10.9 Sports car
Select parameters according to Chapter 10 of GJB74.6 (should be consistent with the whole machine). Determine the nominal voltage after the sports car test. 3.11 Marking and Code
The marking and code shall comply with the relevant provisions of Article 3.6.3 of GJB74.5, and the characters and codes shall comply with the provisions of Table 1 and Table 2 of GB7159.
3.12 Surface Condition and Color
&, the surface condition and its treatment shall comply with the provisions of Article 4.11 of GJB74.5; b. Unless otherwise specified, the color of the distribution subsystem shall comply with the provisions of Article 4.11.3 of GJB74.5. 3.13 Appearance Quality
The outer surface of the distribution subsystem shall be free of defects such as resistance marks, magnetic damage, cracks, deformation, etc.; the coating layer shall not be blistering, 96 Distribution balance requirements
When carrying a three-phase symmetrical load of 25% rated power: and then adding a resistive load of 25% rated phase power to any phase, the following requirements shall be met: &, the phase angle difference between any two phases of the three-phase sinusoidal AC power supply is within 120±5°. b, the line voltage deviation of the three-phase sinusoidal AC power supply does not exceed 5% of the average value of the three line voltages 3.8 Safety
Insulation resistance and dielectric strength shall comply with the provisions of Article 3.7.11 of SJ××X×. 3.9 Electromagnetic compatibility
Electromagnetic emission and sensitivity shall comply with the requirements of GJB 151.4, and the test items shall comply with the requirements of the "Power Supply" column in Table 1 of GJB151, 4.
3.10 Environmental adaptability
The environmental requirements of the distribution subsystem shall meet the requirements of the whole machine. General requirements shall comply with the requirements of Chapter 3 of GJB74.6. 3,10.2
Test items
After high temperature, constant temperature, low temperature, shock and vibration tests, test the following items: load effect, source voltage effect, periodic and random offset of DC regulated power supply: source voltage effect and negative voltage effect of AC regulated power supply.
3.10.4 High temperature
Select parameters according to Table 3 and Table 3 of Chapter 4 of GJB 74.6 or the parameters specified by the product specification. After the high temperature test, in addition to testing the items specified in Article 3.10,3, the drift of DC regulated power supply and the voltage shift of AC regulated power supply should also be tested.
Place of use
Working temperature
Storage temperature
3.10.5 Constant humidity and heat
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Select parameters according to Table 6 of Chapter 6 of GJB74.6 or the parameters specified by the product specification. After the steady-state damp heat test, in addition to testing the items specified in Article 3.10.3, the insulation resistance should also be tested. 3.10.6 Low temperature
Select parameters according to Chapter 7 of GJB74.6 or the parameters specified by the product specification. After the low temperature test, in addition to testing the items specified in Article 3.10.3, the source shift of the DC stabilized power supply and the voltage drift of the AC stabilized power supply should also be tested.
3.10.7 Type shock
Select parameters according to Table 8 and Table 9 of Chapter 8 of GJB74.6 or the parameters specified by the product specification. 3.10.8 Vibration
Select parameters according to Table 10 and Table 11 of Chapter 9 of GJB74.6 or the parameters specified by the product specification. 3.10.9 Sports car
Select parameters according to Chapter 10 of GJB74.6 (should be consistent with the whole machine). Determine the nominal voltage after the sports car test. 3.11 Marking and Code
The marking and code shall comply with the relevant provisions of Article 3.6.3 of GJB74.5, and the characters and codes shall comply with the provisions of Table 1 and Table 2 of GB7159.
3.12 Surface Condition and Color
&, the surface condition and its treatment shall comply with the provisions of Article 4.11 of GJB74.5; b. Unless otherwise specified, the color of the distribution subsystem shall comply with the provisions of Article 4.11.3 of GJB74.5. 3.13 Appearance Quality
The outer surface of the distribution subsystem shall be free of defects such as resistance marks, magnetic damage, cracks, deformation, etc.; the coating layer shall not be blistering, 9
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