JB/T 4401.1-1999 Marine small single-phase synchronous generator technology
Some standard content:
U61
JB
Machinery Industry Standard of the People's Republic of China
JB/T4401.1-1999
Small single-phase marine generator
1999-08 -06 Release
National Machinery Industry Bureau
Technical Conditions
2000-01-01 Implementation
Release
JB/T4401.1-1999|| tt | 1 "Dimensions and output power levels of rotating electrical machines" [idtIEC60072-1 (1991) 1, IEC60092301 (1980) "Equipment of one generator and one electric motor", China Classification Society "Rating and Construction Rules for Sea-going Steel Ships" (1996 2018 edition) using current Tujia standards and industry standards, revision of JB4401-87 "Technical Conditions for Marine Small Single-Phase Synchronous Generators", the writing format is GB/T1.1-1993 and GB/T1.3-1997. Compared with the original standard, the revised standard has revised the provisions for tilt operation, steady-state voltage regulation rate calculation, ambient temperature, temperature rise limit, installation dimensional tolerance, sampling plan and test method basis, and has removed the short-term Improved electric flight test terms, added third harmonic excitation method, voltage test terms in front of punching teeth and automatic voltage regulator high temperature test terms: This standard has removed the two appendices of JB4401--87111, and this standard is self-implemented As of that date, JB4401-87 has been designated. This standard was proposed by the Shanghai Electrical Apparatus Research Institute and is the responsibility of the Shanghai Electrical Apparatus Research Institute and Dongfang Electric Machinery Factory: Drafters of this standard: Ma Junhou, Chen Ruwang: This standard First released in January 1987 under the standard:
1
Machinery Industry Standard of the People's Republic of China
Technical Conditions for Small Single Phase Synchronous Generators in Ships
JB/T 4101.11999
Generation JB4401-87
This standard specifies the plastic type, basic parameter technology of 1kVA to 15kVA Funagawa single-phase AC synchronous generator (hereinafter referred to as the generator) Requirements, inspection rules, etc.:
This standard is applicable to small stand-alone generators driven by internal combustion engines and used as ship power and lighting power supplies [synchronous generators and their fusion devices, cited standards
2 .
The following standards contain provisions that, by reference in this standard, constitute provisions of this standard: not all of the editions indicated were valid at the time of publication. The parties should explore the possibility of bringing the following standards to the latest version, GB191—1990
GB/T755—
GB/T 997-1981
GB 1971—1980||tt| |GB/T 1993—1993
Packaging, storage and transportation pictorial markings
Rotating motors with certain ratings and performance
Motor structure installation type and code
Motor line end mark and the direction of rotation
Cold foot method for rotating motors
Electrician Electrical Products Basic Environmental Test Procedure Test": Long-term test method GB/T 2423.16—1990
GB/T 2423.17— 1993
GB/T 2829---1987
GB/T 4772.1-
GB/T4831—1984
GB/T 4942.1—1985
GB/T 7060—1994
GB[0068-
GB 10069—1988
Basic environmental test procedures for T-sub products Test Ka: Salt penetration test method periodic inspection certificate number Other procedures and unique tables (suitable for inspection of production process stability) rotating motor dimensions and output power levels
Motor product model compilation method
Motor external light protection classification
Basic technical requirements for marine rotating motors
Measurement, evaluation and limits of mechanical vibration of motors with a center height of 56mm and above. Methods and limits for noise determination of rotating motors
Low-voltage switchgear and control Equipment General
GB/T14048.1—1993
GB/T 144811993
GB 14711--1993
JB/T 5793—1991
JB /T 5810—-1991
JB/T9615.2—1999
Test method for single-phase stepper motors
Safe passage requirements for small and medium-sized rotating motors
Marine questions Technical Conditions of Medium Voltage Regulating Device of Bufa Medium Machinery Motor Pole Coil and Field Winding Original Insulation Test Procedures AC Low Voltage Motor Scattered Embedded Winding Pressure Insulation Test Limit Values ??National Machinery Industry Bureau Approved on 1999-08-06 and implemented on 2000-01-01
3 Type, basic parameters and dimensions
JB/T4401.1-1999
3.1 The model consists of three parts: product code, specification code and special environment code, which are arranged in order. The selection of model codes should comply with the relevant provisions of GB/T4831:
The model representation method is as follows:
TFD
Special environment code: H
Number of poles||tt ||Center dealer, partner leader code or power
Excitation mode code
Single-phase synchronous generator
3.2 The rating of the generator is based on continuous L production (SI) Baseline continuous rating 3.3 Rated frequency is 50Hz60Hz:
Rated voltage is 230V and 115V.
3.4
3.5
3.6
Rated power factor is 0.9 (lag) or 1.0. The generator should be rated at the specified power manufacturing length 1
number of power states
1.0
0.9
3.7
1.0
1.1
2.0
2.2
3.0
3.3
power
5.0
56|| tt |
Book
kVA
EMU
kVA
/min
cosp-1.n
s-0.9| |tt||Road,
112 L
t
1.
The dynamic mode and code name of the generator are:
3.8||tt ||112 L
13
3000/3600
2.2
133A
5.6
M
2.2|| tt||132 M
3.3
60
5.6
10
11.5
1IHNISIX
1.5||tt ||x
a) Phase compound excitation system without electrodynamic regulator (referred to as phase-controlled compound excitation). The code is: The second harmonic new magnetic system of the regulator (referred to as the third harmonic excitation). The generation number is: S12
13.3
1X
In
.
12
13.3
kVA||tt ||IS
1e7
as
15
16.7
39 Generator installation feet and their tolerances should be 3 Figure 1 and Figure 21, and should comply with the provisions of GB/T+772.1 JB/T 4401.1 - 1999
$t
9W
aI
SW
S
devices
安||tt| |s
EA
1F
H
long
to
+0*
X||tt| |aw
u
3.10
JB/T4401.11999
The dimensions and tolerances of the generator shaft extension should comply with the provisions of Table 4 Table 4
Shaft extension diameter
28
32
38
42
48
3.11
Minsi||tt| |8
10
10
12
14
key
width
Limited company
-0.036
es
The radial circular runout at half the extension length of the generator shaft should not be greater than the stipulations in Table 5. Table 5
Navigation movables
Radial runout Image limit
2S
0.04
32
38
Size
7
8
S
8
9
0.05
key
42
high
mm
set limit
imm
48
The radial runout of the generator flange stop to the shaft centerline and the end face runout of the installation flange facing the shaft centerline should not be greater than Table 63.12
regulations:
bag 6
west edge gate path
radial runout and end face positive runout limits
4||tt| |Requirements
to
130
0.100
180
230
4.1 Generators should comply with the requirements of this standard and be used in accordance with the Manufacture of drawings and technical documents approved by specified procedures 4.2 Environmental conditions
The generator should be able to work normally under the following environmental conditions, 4.2.1 The ambient air temperature is 0~45℃ (the ambient air temperature of the automatic voltage regulator 55%), 4.2.2 The relative air humidity is 95%, and there is condensation. 4.2.3
There are salt penetration, seedlings and continental fog.
Yan tilt camera control
4.2.4
Heel 15° (22.5° for emergency generator): 22.5° lateral; The total generator should be 10°); the vertical angle should be 7.5° (the emergency generator is 10°). 4.2.5 There is the impact of shock and vibration generated during normal operation of the ship. 4.3 Material requirements
mm||tt| |250 | The strength should not be less than 441×10°Pa, the susceptibility point should not be less than 211×10°Pa, the sample length (longitudinal) should not be less than 24%, and the chemical composition of the material should comply with the provisions of GB/T7060 4.3.3 General Materials that are flame-retardant, low-toxic, low-toxic should be used: 4
JB/T4401.1-1999
4.3.4 All semiconductor components should be selected in quantity. Single material, and should undergo thermal aging and electrical aging screening +.4 Pure thermal requirements
4.4.1
The external light protection level of the transmitter is 1P22, and the outer appearance of the outlet box is protected The grade is IP54, and the total definition and technical requirements should comply with the provisions of GB/T4942.1
4.4.2 The cooling method of the generator is IC01, and its definition shall be in accordance with the provisions of GB/T1993: 4.4.3||tt ||4.4.4
4.4.5
4.4.6
4.4.7
4.4.8
4.4.9
The installation structure of the generator is 1MB3 to IMB34, and its definition is in accordance with the provisions of GB/T997: the generator adopts a rolling axis and should be provided with hanging climbing or lifting holes. The insulation grade is Class B or Class F.
The junction box is located on the side of the generator (from the Chi extension locking stone). If there are special requirements, it should be stipulated separately in the contract: all fasteners should have regular anti-loosening devices and an acid excitation device installed above the motor. The device should have or need to be installed and the visible parts of the generator should be left with placement chrome. Directional position: The minimum value of the electrical clearance and creepage distance in the junction box shall not be less than the requirements in Table 7. The normal measurement methods and requirements are in accordance with the provisions of GB/T14048.1
Table 7
T operating voltage
(effective value)
y
100 and below
t01-250
251~500
market test voltage
(Fengyi)
V
5000|| tt||6000
7000
electricity limit
mm
contamination level
2. 3. 4
40|| tt||5.5
6.75
floating dye level
2
1.4
2.5
5.0
Optical circuit| |tt||ntm
(forest group [don’t use a])
pollution level
3
2.2
4.0
8.0
Dirty firewood grade
4
3.8
8.0
16
4.4.10 In order to facilitate external loading, it should be Set copper terminals with appropriate cut and mechanical strength at the nearest location, and tighten the terminals and the wiring board to prevent loosening. There should be a certain space between wiring to facilitate operation and avoid accidents. The grounding should be easy and accessible. 4.4.11 The generator should be equipped with a grounding screw, and there should be a mark indicating the grounding that is not easy to remove at the accessory of the grounding screw. The grounding rod should be made of copper or a corrosive material with good conductivity and sufficient mechanical strength. The cutting area of ??the grounding bolt or grounding wire should be installed according to the requirements in Table 8.
6
10
10
16
25
25
4.4.12 Generator rotation direction The middle end of the shaft is viewed as the clockwise direction, and can also be made to rotate in both directions. 4.5 Performance requirements
35
25
mm2
50
25
4.5.1 When the generator is operating at rated speed, The guaranteed value of (n) shall comply with the provisions of Table 9. The tolerance for efficiency is -0.15 (-n) equipped with 9
turn spot
rhmin
co5=1.0
cos@=0.9
(lag )
Power kVA
Effect %
Assist kVA
Effect
%
70
1.1| |tt||67
3000/3600
2
72
2.2
69
74
3.3| |tt||7
78
5.6
75
2
73
2.2
70||tt ||76
3.3
73
80
5.6
77
L500/1S00
7.5||tt ||81
8.3
78
10
82
.1
79
12||tt| |83
13.3
80
15
84
16.7
S
5
JB /T4401.1-1999
4.5.2 When the load of the generator is from no load to rated load and under the specified power factor, its steady-state voltage adjustment rate should not be greater than 2.5%. Emergency generator should be no larger than 3.The 5% steady-state voltage regulation rate is calculated according to the following formula:
Umx-U×100%
2UN
: (1)
where: U., U ——When the load changes from no-load to rated load, the maximum and minimum values ??of the generator terminal voltage (effective value), V; Ur—the rated voltage of the generator, V,
Steady-state voltage adjustment The rate is determined under the following conditions: a) Rated power factor:
b) The steady-state regulation rate of the prime mover is specified as 5% (that is, 105% of the rated speed at no load and 105% of the rated speed at full load) ), if the steady-state regulation rate of the prime mover is less than 5% and otherwise specified, it shall be determined according to the prescribed steady-state regulation rate: c) The voltage regulation rate when the generator steady-state voltage regulation rate meter assesses the rated voltage: d ) For generators using uncontrollable excitation, the setting of the no-load voltage does not include the initial self-excitation. 4.5.3 The no-load setting voltage range of the generator is 95%~105% of the rated voltage. 4.5.4 The sinusoidal distortion rate of the voltage waveform of the generator should not exceed the following values: a) 10% for rated power of 10kVA and above. ;b) 15% for rated power below 10kVA. 4.5.5 When the generator and its excitation device are rated to operate at an ambient air temperature of 45°C, the temperature rise of each part should comply with the provisions of Table 10, and the bearing temperature should not exceed 90°C.
Table 10
Item
3
4
n
6
Note
AC pouring Group
Component nameWww.bzxZ.net
Th
Magnetic field winding (except item 3)
Magnetic field porcelain group of cylindrical rotor with DC excitation and winding embedded in the core
Insulated winding with permanent short circuit
Non-continuous winding with permanent short circuit. Fast core and other parts not in contact with the winding
Iron core and other parts in contact with the winding
Slip ring
65
75
Class B
75
75
80
Th
75
95
Class F
R | | tt | | K | The correction of the winding temperature rise limit shall be in accordance with the provisions of GB/T755. When measuring the temperature rise of the AC winding using the superposition method, the limit value can be 5K95 higher than the motor method 5K95 | The upper limit value is only allowed when the collector ring adopts insulation suitable for the limit value. However, if the collector ring is close to the winding, the upper limit value shall not exceed the limit value of the insulation grade used by the adjacent winding. Th is the thermometer method and R is the resistance method.
The hot insulation resistance of each winding of the generator should not be less than 2MQ, and the cold insulation resistance should not be less than 5M0Q, 4.5.6
6
4.5.7||tt| |4.5.8
Lian Shuo.
Project
2
3
JB/T4401.1—1999
The generator should be able to withstand 120% of the rated speed under no-load conditions, It lasts for 2 minutes without causing damage or harmful deformation. Each winding of the generator to the ground and between each winding should be able to withstand the withstand voltage test specified in Table 11 for a period of time! No penetration or flashing occurs on the mm surface. 11
Machine part
Electricity
Generator armature continuation group and auxiliary winding to casing Generator armature winding to auxiliary winding||tt| |Between the generator excitation system and the part of the excitation device (or AC exciter) connected to the excitation winding to the casing and its coil
with the armature winding or auxiliary wire group and connected The excitation device part (or the relay field of the AC exciter is formed between the chassis and other windings
Note: Semiconductor devices and capacitors are not subject to this test. Test voltage (effective value)
1000 +2U% The minimum is 1500
1000+2U, the minimum is 1500
10 times the rated excitation voltage, the minimum is 1500
1000+2U, the minimum is 1500
V| |tt||4.5.9 Generator windings should be subjected to inter-turn insulation impact voltage withstand tests. For scattered-embedded winding generators, the inter-turn insulation impact test voltage peak value shall be in accordance with the provisions of JB/T9615.2: Field winding inter-turn insulation test voltage limit The value is in accordance with the provisions of JB/T5810 4.5.10 The generator should be able to withstand 150% of the rated current for 2 minutes in a self-excited heating state without damage or harmful deformation. At this time, the voltage should be as close as possible to the rated value ||tt| |After the temperature rise test, the generator should be able to operate at 110% rated current for 1 hour without any abnormality, but the temperature rise of the generator 4.5.11
is not assessed at this time
4.5. 12 The sudden short-circuit mechanical strength test of the generator shall only be carried out when the user explicitly requests it when ordering. If there are no other provisions, the test shall be carried out at the no-load rated voltage, the short circuit lasts for 3 seconds, and no harmful deformation shall occur after the test, and Able to withstand the withstand voltage test specified in 4.5.8
4.5.13
4.5.14
The electromagnetic compatibility requirements and limit values ??of the generator should comply with GB/T7060-1994 5.22. The effective value of the vibration speed measured under the no-load condition shall not exceed the requirements of Table 12. Table 12
Center height
Vibration speed
4.5.15| |tt||mm
mm/s
112
1.8
132
The sound power level of the generator should not be greater than that specified in Table 13. 13
power
kVA
2
. 3; 5
7.5: to
12;15
1500 /1800
77
81
85
88
91
turn
160
speed
3000
Sound power level
r/min
dB(A)
81
85
89| |tt||180
2.8
3600
82
86
93
imm/s
200| |tt||5. When the generator and its excitation device are rated to operate at an ambient air temperature of 45°C, the temperature rise of each part shall comply with the provisions of Table 10, and the bearing temperature shall not exceed 90°C.
Table 10
Item
3
4
n
6
Note
AC pouring Group
Component name
Th
Magnetic field winding (except item 3)
Magnetic field porcelain group of cylindrical rotor with DC excitation and winding embedded in the core
Insulated winding with permanent short circuit
Non-continuous winding with permanent short circuit. Fast core and other parts not in contact with the winding
Iron core and other parts in contact with the winding
Slip ring
65
75
Class B
75
75
80
Th
75
95
Class F
R | | tt | | The correction of the winding temperature rise limit shall be in accordance with the provisions of GB/T755. When measuring the temperature rise of the AC winding using the superposition method, the limit value can be 5K95 higher than the motor method 5K95 | The upper limit value is only allowed when the collector ring adopts insulation suitable for the limit value. However, if the collector ring is close to the winding, the upper limit value shall not exceed the limit value of the insulation grade used by the adjacent winding. Th is the thermometer method and R is the resistance method.
The hot insulation resistance of each winding of the generator should not be less than 2MQ, and the cold insulation resistance should not be less than 5M0Q, 4.5.6
6
4.5.7||tt| |4.5.8
Lian Shuo.
Project
2
3
JB/T4401.1—1999
The generator should be able to withstand 120% of the rated speed under no-load conditions, It lasts for 2 minutes without causing damage or harmful deformation. Each winding of the generator to the ground and between each winding should be able to withstand the withstand voltage test specified in Table 11 for a period of time! No penetration or flashing occurs on the mm surface. 11
Machine part
Electricity
Generator armature continuation group and auxiliary winding to casing Generator armature winding to auxiliary winding||tt| |Between the generator excitation system and the part of the excitation device (or AC exciter) connected to the excitation winding to the casing and its coil
with the armature winding or auxiliary wire group and connected The excitation device part (or the relay field of the AC exciter is formed between the chassis and other windings
Note: Semiconductor devices and capacitors are not subject to this test. Test voltage (effective value)
1000 +2U% The minimum is 1500
1000+2U, the minimum is 1500
10 times the rated excitation voltage, the minimum is 1500
1000+2U, the minimum is 1500
V| |tt||4.5.9 Generator windings should be subjected to inter-turn insulation impact voltage withstand tests. For scattered-embedded winding generators, the inter-turn insulation impact test voltage peak value shall be in accordance with the provisions of JB/T9615.2: Field winding inter-turn insulation test voltage limit The value is in accordance with the provisions of JB/T5810 4.5.10 The generator should be able to withstand 150% of the rated current for 2 minutes in a self-excited heating state without damage or harmful deformation. At this time, the voltage should be as close as possible to the rated value ||tt| |After the temperature rise test, the generator should be able to operate at 110% rated current for 1 hour without any abnormality, but the temperature rise of the generator 4.5.11
is not assessed at this time
4.5. 12 The sudden short-circuit mechanical strength test of the generator shall only be carried out when the user explicitly requests it when ordering. If there are no other provisions, the test shall be carried out at no-load rated voltage, the short circuit lasts for 3 seconds, and no harmful deformation shall occur after the test, and Able to withstand the withstand voltage test specified in 4.5.8
4.5.13
4.5.14
The electromagnetic compatibility requirements and limit values ??of the generator should comply with 5.22 of GB/T7060-1994. The effective value of the vibration speed measured under no-load condition shall not exceed the requirements in Table 12. Table 12
Center height
Vibration speed
4.5.15| |tt||mm
mm/s
112
1.8
132
The sound power level of the generator should not be greater than that specified in Table 13. 13
power
kVA
2
. 3; 5
7.5: to
12;15
1500 /1800
77
81
85
88
91
turn
160
speed
3000
Sound power level
r/min
dB(A)
81
85
89| |tt||180
2.8
3600
82
86
93
imm/s
200| |tt||5. When the generator and its excitation device are rated to operate at an ambient air temperature of 45°C, the temperature rise of each part shall comply with the provisions of Table 10, and the bearing temperature shall not exceed 90°C.
Table 10
Item
3
4
n
6
Note
AC pouring Group
Component name
Th
Magnetic field winding (except item 3)
Magnetic field porcelain group of cylindrical rotor with DC excitation and winding embedded in the core
Insulated winding with permanent short circuit
Non-continuous winding with permanent short circuit. Fast core and other parts not in contact with the winding
Iron core and other parts in contact with the winding
Slip ring
65
75
Class B
75
75
80
Th
75
95
Class F
R | | tt | | The correction of the winding temperature rise limit shall be in accordance with the provisions of GB/T755. When measuring the temperature rise of the AC winding using the superposition method, the limit value can be 5K95 higher than the motor method 5K95 | The upper limit value is only allowed when the collector ring adopts insulation suitable for the limit value. However, if the collector ring is close to the winding, the upper limit value shall not exceed the limit value of the insulation grade used by the adjacent winding. Th is the thermometer method and R is the resistance method.
The hot insulation resistance of each winding of the generator should not be less than 2MQ, and the cold insulation resistance should not be less than 5M0Q, 4.5.6
6
4.5.7||tt| |4.5.8
Lian Shuo.
Project
2
3
JB/T4401.1—1999
The generator should be able to withstand 120% of the rated speed under no-load conditions, It lasts for 2 minutes without causing damage or harmful deformation. Each winding of the generator to the ground and between each winding should be able to withstand the withstand voltage test specified in Table 11 for a period of time! No penetration or flashing occurs on the mm surface. 11
Machine part
Electricity
Generator armature continuation group and auxiliary winding to casing Generator armature winding to auxiliary winding||tt| |Between the generator excitation system and the part of the excitation device (or AC exciter) connected to the excitation winding to the casing and its coil
with the armature winding or auxiliary wire group and connected The excitation device part (or the relay field of the AC exciter is formed between the chassis and other windings
Note: Semiconductor devices and capacitors are not subject to this test. Test voltage (effective value)
1000 +2U% The minimum is 1500
1000+2U, the minimum is 1500
10 times the rated excitation voltage, the minimum is 1500
1000+2U, the minimum is 1500
V| |tt||4.5.9 Generator windings should be subjected to inter-turn insulation impact voltage withstand tests. For scattered-embedded winding generators, the inter-turn insulation impact test voltage peak value shall be in accordance with the provisions of JB/T9615.2: Field winding inter-turn insulation test voltage limit The value is in accordance with the provisions of JB/T5810 4.5.10 The generator should be able to withstand 150% of the rated current for 2 minutes in the self-excited heating state without damage or harmful deformation. At this time, the voltage should be as close as possible to the rated value ||tt| |After the temperature rise test, the generator should be able to operate at 110% rated current for 1 hour without any abnormality, but the temperature rise of the generator 4.5.11
is not assessed at this time
4.5. 12 The sudden short-circuit mechanical strength test of the generator shall only be carried out when the user explicitly requests it when ordering. If there are no other provisions, the test shall be carried out at the no-load rated voltage, the short circuit lasts for 3 seconds, and no harmful deformation shall occur after the test, and Able to withstand the withstand voltage test specified in 4.5.8
4.5.13
4.5.14
The electromagnetic compatibility requirements and limit values ??of the generator should comply with GB/T7060-1994 5.22. The effective value of the vibration speed measured under the no-load condition shall not exceed the requirements of Table 12. Table 12
Center height
Vibration speed
4.5.15| |tt||mm
mm/s
112
1.8
132
The sound power level of the generator should not be greater than that specified in Table 13. 13
power
kVA
2
. 3; 5
7.5: to
12;15
1500 /1800
77
81
85
88
91
turn
160
speed
3000
Sound power level
r/min
dB(A)
81
85
89| |tt||180
2.8
3600
82
86
93
imm/s
200| |tt||14
The electromagnetic compatibility requirements and limit values ??of the generator should comply with the provisions of 5.22 in GB/T7060-1994. The effective value of the vibration speed measured in the no-load condition of the generator should not exceed the requirements in Table 12. Table 12
Center height
Vibration speed
4.5.15
mm
mm/s
112
1.8
132
The sound power level of the generator should not be greater than the requirements in Table 13. 13
power
kVA
2
. 3; 5
7.5: to
12;15
1500 /1800
77
81
85
88
91
turn
160
speed
3000
Sound power level
r/min
dB(A)
81
85
89| |tt||180
2.8
3600
82
86
93
imm/s
200| |tt||14
The electromagnetic compatibility requirements and limit values ??of the generator should comply with the provisions of 5.22 in GB/T7060-1994. The effective value of the vibration speed measured in the no-load condition of the generator should not exceed the requirements in Table 12. Table 12
Center height
Vibration speed
4.5.15
mm
mm/s
112
1.8
132
The sound power level of the generator should not be greater than the requirements in Table 13. 13
power
kVA
2
. 3; 5
7.5: to
12;15
1500 /1800
77
81
85
88
91
turn
160
speed
3000
Sound power level
r/min
dB(A)
81
85
89| |tt||180
2.8
3600
82
86
93
imm/s
200| |tt||
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