JB/T 5330-1991 Technical conditions for three-phase asynchronous motors with vibration source

JB/T 5330-1991 Technical conditions for vibration source three-phase asynchronous motor JB/T5330-1991 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Vibration source three-phase asynchronous motor
Technical conditions
(Excitation force ~ 140kN)
1 Theme content and scope of application||tt ||JB5330---91
This standard specifies the terminology, basic parameters, technical requirements, test methods and inspection rules, and marking and packaging requirements for three-phase asynchronous motors with vibration sources (hereinafter referred to as vibration motors). This standard applies to general-purpose vibration motors with a rated exciting force of 1 to 140kN. Other special types of vibration motors can also be implemented by reference.
Quoted standards
Basic technical requirements for rotating electrical machines
Motor shell protection classification||tt| |GB1993 Motor cooling method
GB 4772
GB 12665
Motor dimensions and tolerances
Damp heat test requirements for motors used under general environmental conditions GB1032 Three-phase asynchronous motor test Method JB/Z 294
JB/Z346
Test method for insulation between turns of loosely embedded windings of AC low-voltage motors Test limits for insulation between loosely embedded windings of AC low-voltage motors GB191
Packaging, storage and transportation Instruction marks
3 Terms and codes
3.1 Rated vibration force
When the voltage and frequency of the power supply are rated, the eccentric block of the vibration motor is at the specified position, The vibration force generated by the self-excitation of the moving motor is expressed in lower Newtons.
3.2 Rated excitation power
The power corresponding to when the voltage and frequency of the power supply are rated and the vibration motor outputs the rated excitation force. 3.3 The installation dimensions of vibration motors are divided into two types: type A and type B. Type A: It is recommended to use a structure where the mounting feet are connected to the end cover. Type B: It is recommended to use a structure where the mounting feet are connected to the machine base. When there is no distinction between type A or type B installation dimensions, it is represented as either structure. 3.4 Vibration motor model
The vibration motor model consists of three parts: product code, specification code and supplementary code, and is arranged in the following order. The Ministry of Mechanical and Electronic Industry of the People's Republic of China approved the implementation on 1992-07-01 on 1991-06-28
Product
Generation
Product
No.| |tt||JB5330--91
Specification code
The product code is selected by each manufacturer and reported to the model issuing unit for filing. Supplementary code
The specification code consists of the rated excitation force of the vibration motor (Arabic numerals expressed in lower Newtons) and the number of poles (Arabic numerals) in sequence and separated by dashes.
The supplementary code indicates that the vibration motors are of the same specification, type A or type B, and the installation dimensions are in capital letters. Example: YZU-10-4B
indicates that the rated excitation force is 10kN, 4-pole type B YZU series vibration source three-phase asynchronous motor with installation dimensions, type, basic parameters and dimensions
The shell protection level of the vibration motor is IP44, IP54 or IP55 (see GB4942 .1) 4.2 The cooling method of vibration motor is IC0041 (see GB1993). 4.3 The structural installation type of the vibration motor is horizontal in any direction. The vibration motor's rating is a continuous rating based on the continuous working system (S1). 4.4
The rated voltage of the vibration motor is 380V and the rated frequency is 50Hz. The rated exciting force of the vibration motor should be manufactured according to Table 1. 4.6
Table 1
Number of poles
5| |tt||10
amount
determined
30||tt ||Excitation
Vibration force
fix, kN|| tt||20
100||tt| |50
The corresponding relationship between the specification code, rated exciting force, rated exciting power and synchronous speed of the vibration motor should be as shown in Table 2 stipulations, 4.7
4.8 The installation size tolerance of the vibration motor complies with the provisions of Table 3, and the overall dimensions should not be greater than the provisions of Table 3. Table 2
Specification Code
Regulation||tt| |1-2
rated exciting force
3| |tt||5
rated excitation power
Synchronous speed| |tt||r/min
Specification code
3-4||tt| |5-4
100.4|| tt||3-6
50-6||tt| |75-6
JB 5330--91
Continued Table 2
Rated excitation force
10||tt ||20
20| |tt||30
rated excitation power
7.5|| tt||10
|电影代号
20· 2A
50·2B| |tt||2-4
75·4A
100-4A
100-4B
注： N.
激振力
10||tt| |20
75|| tt||100
190||tt| |250
380|| tt||440
底脚设计孔数。
加油孔
基食包装
40|| tt||80
140||tt| |180
安|| tt||A型
4--12||tt ||4--14
4—18
4-39| |tt||4
4---26
4--12|| tt||4--14
4--·22
4—26
1---33
8---39
— 4. 5||tt| |尺
4芯茇套达部×2m
小小自定
使用度公善|| tt||pl.om
5330-91
160|| tt||190
190||tt| |220
28|| tt||33
33||tt| |35
430| |tt||250
270||tt ||320
160| |tt||260
310||tt ||130
240| |tt||310
200||tt ||210
390| |tt||480
240||tt ||250
电影代号
30-6||tt ||50-6A
100-6A
140-6A
100-63
140-6B
50-8A
100-8A
140-8A
50·8B
75-8B|| tt||100.8B
140-8B
激振力
5||tt| |10
75|| tt||100
A||tt| |180
380|| tt||440
480||tt| |480
140| |tt||150
370||tt ||125
4---18
4—-22
4—26
4-—52
8—39
8：45
6—39
6—39
8—45
426| |tt||433
4—39
4—45
8—39
8—45||tt| |·45
6—39
8—45
8—45
正行设计
0| |tt||+0.74
+0.741||tt| |0
今代度公差
+2.mt| |tt||p1.5M
533091
190|| tt||220
280||tt| |140
22|| tt||28
35||tt| |40
形|| tt||AB
550||tt| |640
640|| tt||710
280||tt| |350
770|| tt||400
230||tt| |260
520| |tt||590
640||tt ||1.
790| |tt||890
790||tt ||91
JB5330--- 91
4.9 The flatness tolerance of the vibration motor foot supporting surface should comply with the provisions of Table 4. 4
The largest size in B or BB||tt| |≥100～160
>160~250
250~-400
5 Technical requirements
Flatness tolerance
Maximum size in AB or RR
2400~-630
>630~1000
The vibration motor should Comply with the requirements of this standard and be produced in accordance with the drawings and technical documents approved through prescribed procedures. 5.2 Under the following environmental conditions, the vibration motor should be able to operate at rated speed. 5.2.1
The sea does not exceed 1000m,
5.2.2 The maximum temperature of the ambient air changes with the seasons, but does not exceed 40C. Surface tolerance
Note: If the vibration motor is specified at an altitude of more than 1000m or the ambient air temperature is higher or lower than 40℃ When used under conditions, it should be in accordance with the provisions of (175: 5.2.3 The minimum ambient air temperature is 15°C. 5.2.4 The average maximum humidity of the wettest month is 90%, and the average minimum temperature of the month is not high: 25 (5.3 During the operation of the vibration motor, the deviation of the power supply voltage and frequency from the rated value should be in accordance with the provisions of G3755. When the vibration motor has no exciting force output (that is, the eccentric block is removed), the power supply voltage and frequency are equal to the coaxial When the upper output is a constant excitation power of 5.4
, the guaranteed values ??of efficiency and power factor should comply with the provisions of Table 5. Table 5
Specification code||tt| |1-2
Specification code
10-4| |tt||20-4
3.70| |tt||Power
1.50||tt ||2.20
Extreme
Efficiency
extreme
efficiency
rate| |tt||%
79||tt ||80
Power factor
0.78||tt| |0.82
power factor
Specification code
Specification code
Note: Stray loss for efficiency is the rated input The 0.5% value is determined by the indirect method. 252
1.50| |tt||2.20
Extreme
efficiency
65||tt ||66
85||tt| |Extreme
Effect
Power factor
1).34||tt ||0. 57
power factor||tt ||s
j,tit)
JB5330-91
5.5 Under the rated voltage, the guaranteed value of the ratio of the vibration motor's locked-rotor torque to the rated torque is 2.2 times, and It should not be lower than the load torque at the rated exciting force,
5.6 Under the rated voltage, the guaranteed value of the ratio of the maximum torque of the vibration motor to the rated torque is 2.5 times. 5.7 Under the rated voltage, the guaranteed value of the minimum torque during the starting process of the vibration motor should not be less than 0.5 times the guaranteed value of the locked-rotor torque (not taking into account the tolerance), and should not be lower than the rated torque. 5.8 Under the rated voltage, the guaranteed value of the ratio of the locked-rotor current of the vibration motor to the rated current should not be greater than 10 times. 5.9 The tolerance of the guaranteed electrical performance value of the vibration motor should comply with the provisions of Table 6. Table 6
item number
effect
Project name
power factor cuss
stalled torque
minimum torque
maximum torque
stalled current| |tt||—0. 15(1 -- 7)
Capacity
-(1-c0s$)/6. At most 0. 07
Guaranteed value·- -15%
~15% of the guaranteed valuewww.bzxz.net
10% of the guaranteed value
+·20% of the guaranteed value
Difference
5.10 vibration When the voltage and frequency of the motor are rated and the eccentric block is at the rated exciting force position, the measured exciting force should comply with the value specified in the installation. The tolerance is +-5%, 10%.
5.11 The vibration motor should be able to withstand the vibration resistance test of 1×10° vibration times. Check that the vibration motor should have no abnormal phenomena and can continue to operate normally
The test is when the acceleration the vibration motor outputs the rated excitation force withstands is not low Carry out under the condition of 6 times acceleration of gravity. 5.12 The vibration motor adopts Class B insulation. When the altitude and ambient air temperature and filtration meet the requirements of Article 5.2, the temperature rise limit of the vibration motor (resistance method) of the winding is 80K, and the allowable temperature of the bearing (thermometer method) should be Not exceeding 105 (. 5.13 The vibration motor should be able to withstand the maximum torque value (taking into account tolerance) specified in Article 5.6 of this standard in a thermal state and with gradually increasing torque for 15 seconds without a sudden change in speed. When the vibration motor rotates and harmful deformation occurs, the voltage and frequency should be maintained at the rated value. 5.14 When the eccentric block of the vibration motor is at the specified position of the rated exciting force, the vibration motor should be able to withstand an increase in rotation speed of 105% of its rated value. 2 minutes without causing harmful damage. 5.15 The end of the stator winding of the vibration motor should have anti-vibration measures, and the fasteners used should have anti-loosening measures. 5.16 The insulation resistance of the stator winding of the vibration motor should be in the hot state or after the temperature rise test. Not less than 0.38MQ.5.17 The stator winding of the vibration motor should be able to withstand a 1 minute withstand voltage test without breakdown. The frequency of the test circuit is 50M. It should be sinusoidal as much as possible, and the effective value of the voltage is 1760V. 5.18 The stator winding of the vibration motor should be able to withstand the inter-turn insulation withstand voltage test, regardless of breakdown. The test method and test voltage limit should comply with the requirements of JB/Z294 and JB3/Z346
5.19 The stator of the vibration motor. After the winding is subjected to 6 cycles of testing according to the 40C alternating damp heat test method specified in GB12665, the insulation resistance should not be less than 0.38MQ, and should be able to withstand the withstand voltage test specified in Article 5.17 without breakdown. The electrical effective value is 1500V.
5-20 When the three-phase power supply is balanced, the deviation between any phase of the three-phase no-load current of the vibration motor and the three-phase average value should not be large: 105 of the average value
5.21 When the vibration motor is inspected and tested, the current and loss of no-load and blocked rotor should be within a certain range. This data range should be able to ensure that the performance of the vibration motor complies with the provisions of Articles 5.4 to 5.9 of this standard. 5.22 The vibration motor should have three outlet terminals and a grounding wire, and there should be a grounding terminal in the junction box. A grounding mark should be set near the grounding terminal. This mark should be able to ensure that it is not easily erased during the entire use period of the vibration motor. 3||tt ||
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