JB/T 7077-2002 Technical specifications for YZRE series electromagnetic brake wound rotor three-phase asynchronous motors for hoisting and metallurgy
Some standard content:
ICS29.160.30
(D,a EEAn1 2 0 11 >UDuBEQ+e ×/YZRE
2002-07-164
JB/T 70772002
JB/T707791993
2002-12-01
JB/T 7077—2002
This standard replaces JB/T7077—1993 "Technical Specifications for YZRE Series Electromagnetic Braking Wound Rotor Asynchronous Motors for Hoisting and Metallurgy". The main changes of this standard compared with JB/T7077—1993 are as follows: The referenced standards are all the latest versions:
Added numerical rounding rules.
Appendix A and Appendix B of this standard are normative appendices. This standard was proposed by the China Machinery Industry Federation. The National Technical Committee for Standardization of Rotating Electrical Machines The Standard is under the jurisdiction of the Technical Committee for Standardization of Hoisting Metallurgy and Shielded Motors (SAC/TC26/SC4).
The drafting units of this standard are: Jiamusi Explosion-proof Motor Research Institute, Shunde Desheng Motor Co., Ltd., Jiangxi Special Motor Co., Ltd. Company, Jiamusi Electric Motor Co., Ltd.
Main drafters of this standard: Gu Zhongli, Lin Lifei, Wang Bingheng, Miao Feng This standard was first issued in October 1993. 1
1 Scope|| tt||YZRE series lifting and metallurgical power Technical Specifications for Magnetic Brake Wound Rotor Three-Phase Asynchronous Motors
JB/T7077—2002
This standard specifies the types of YZRE series electromagnetic brake wound rotor three-phase asynchronous motors for hoisting and metallurgy. , basic parameters and dimensions, technical requirements, inspection rules, marking and packaging requirements. This standard applies to electromagnetic brake wound rotor three-phase asynchronous motors for the translation mechanism of various lifting machinery and metallurgical auxiliary equipment electrical transmission (hereinafter referred to as Motors), all motors derived from this series of motors can refer to and implement 2 Normative Reference Documents
The clauses in the following documents become the clauses recommended by this standard through reference in this standard. All subsequent amendments (excluding errata) or revisions of the referenced documents are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For referenced documents with a date, the latest version shall apply to this standard. GB/T191--2000 Pictorial Marking for Packaging Storage and Transportation (e qVISO780:1997) GB755-2000 Ratings and performance of rotating motors (idtIEC60034-1:1996) GB/T997-1981 Motor structure and installation type code (neqEC60034-7:1972) GB/T1032-1985 Test methods for three-phase asynchronous motors GB/ T1096-1979 Type and size of common flat keys GB/T1993-1993 Cooling method for rotating electrical machines GB/T2423.4-1 993 Basic environmental test procedures for electrical and electronic products Test Db: Alternating damp heat test method (eqVIEC60068-2-30:1980)
GB/T4772.1—1999
Dimensions and output power of rotating electrical machines Grade Part 1: Frame size 56-~400 and flange size 55~1080 (idtIEC60072-1:1991)
GB/T4942.1—2001 Rotating electrical machine enclosure protection classification (IP Code) (idtEC60034-5:1991) GB10068-2000 Mechanical vibration of motors with a shaft center height of 56 mm or more - Measurement, evaluation and limits of vibration (idtC60034-14:1996)
GB10069.3—1988
Determination method and limit of noise of rotating motor Noise limit (neqIEC60034-9) GB/T12351--1990 Environmental technical requirements for tropical type rotating motors GB[4 711--1993 General safety requirements for small and medium-sized rotating electrical machines (neqEC60034-1) JB/T9615.1--2000. Test method for interturn insulation of scattered windings of AC low-voltage motors JB/T9615.2--2000 Test method for scattered windings of AC low-voltage motors Turn-to-turn insulation test limit 3 Types, basic parameters and dimensions
3.1 Motors are divided into: general environment motors, whose housing protection level is IP44; metallurgical environment motors, whose housing protection level is IP54. Brake part The protection level is IP23 (see GB/T4942.1-2001). 3.2 Motor cooling method: Frame sizes 112 and 132 are IC410, which can also be made into IC411; frame sizes 160 to 225 are IC411 (see GB/ 1993—1993).
3.3 The structure and installation type of the motor are IM1001, IM1003, IM3001, IM3003, IM3011, IM3013 (see GB/T997-1981), and it is manufactured according to the provisions of Table 1. JB/T7077—2002
Structure and installation type
IM1001
IM1003
IM3001
IM3003
IM3011
IM3013
Manufacturing range (frame size)
112~160
180--225
112~-160
112-160||tt| |180225
3.4 The working modes of electric motors are divided into six types: S2, S3, S4, S6, S8 and S9 (see GB755-2000). The basic working system is S340% (i.e. the basic working system is S3, the basic load duration is 40%, and each working cycle is 10 minutes). The user should specify the required working system type as accurately as possible; if the user does not specify, then The motor is manufactured according to the standard working system. 3.5 When the motor is in the standard working system, it should be manufactured according to the following rated powers: 0.75kW, 1.5kW, 2.2kW, 3.7kW, 5.5kW, 7.5kW11kW, 15kW, 22kW, 30kw. ||tt| |3.6 The rated frequency of the motor is 50Hz, the rated voltage is 380V, and the connection is Y. The rated excitation voltage of the brake is 380V, and it can also be made into 220V, and the excitation can be applied separately.
3.7 The rated power of the motor in the standard working system , the correspondence between rotor moment of inertia Jm, rotor winding open-circuit voltage, static braking torque and frame number shall comply with the provisions of Table 2. Table 2
rotor winding
open circuit voltage
rotor winding
open circuit voltagebzxZ.net
rotor winding
open circuit voltage
system The dynamic torque is adjustable and has a release brake function. The static braking torque tolerance is 10% of the guaranteed value, which is specified by the manufacturer in the product sample. The rated power of the working system is determined according to the actual temperature rise value of the rated power of the reference working system, which is given in , but the rated power of the working system S6, S8, S9 needs to be determined by the manufacturer after the user provides the required working system parameters. 3.7.3 The tolerance of the rotor winding open circuit voltage is ±7.5%. 3.7.4 The tolerance of the moment of inertia is +10%. 3.8 Dimensions and tolerances of motors:
3.8.1 The installation dimensions and tolerances of motors shall comply with the requirements of Tables 3 to 5 (see GB/T4772.1-1999). The overall dimensions shall not be greater than those in Tables 3 to 5. Table 5. The length of the motor shaft extension (E》 can be made into short series size according to user requirements. 2
-FF215
YZRE112132
YZRFI60 ~225||tt| |160M.1801
Figure 1 IM3011 and IM3013 vertical installation, base without feet, end cover with flange and shaft extending downward Table 3
Installation dimensions and public coupons||tt ||Basic ruler
Basic!
±0.018: 450
Pull setting
200E,225M
Unit: mm
Overall dimensions
Frame size
YZRE112~225|| tt||Figure 2 IM1001 and IM1003 motors with bases with feet and end covers without flanges Table 4
Installation dimensions and tolerances
110±0.43
Position
Unit: mm
Overall dimensions
JB/T 7077--2002
Flange number
112MFF215
160LFF300
+0.046M36×3
Overall dimensions
YZRE112~132
YZRE160-180
Figure 3 IM3001 and IM3003 horizontally installed motors, without base feet and with flanged end coversTable 5
Mounting dimensions and tolerances||t t||Basic size
(piece)
Unit: mm
Overall dimensions
JB/T7077--2002
JB/T7077—2002
The dimensions and tolerances of the motor shaft extension key shall conform to the provisions of Table 6 (see GB/T1096-1979) Table 6
Shaft extension diameter D
3.8.3 The radial runout tolerance at half the motor shaft extension length shall not be greater than that specified in Table 7. 7
Shaft extension diameter D
>30~50
>50~70
3.8.4 The radial runout tolerance of the flange stop to the motor axis shall not be greater than the provisions of Table 8Table 8
Flange code
FF215~265
FF300～400
5 The parallelism tolerance of the motor axis to the foot support plane shall not be greater than 0.50mm. 3.8.5
3.8.6 The flatness tolerance of the motor foot support plane shall not be greater than the provisions of Table 9. Table 9
Maximum dimension of the distance between the outer edges of the base (ABBB)>160~250
>250~400
>400~455
Unit: mm
Unit: mm
Radial runout tolerance
Unit: mm
Radial runout tolerance
Unit: mm
Flatness tolerance
3.8.7 The symmetry tolerance of the keyway of the motor shaft shall not be greater than that specified in Table 10. Table 10
Key width F
4 Technical requirements
JB/T7077—2002
Unit: mm
Symmetry tolerance
The motor shall comply with the requirements of this standard and shall be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.2 The motor shall be able to operate at rated speed when used under the following conditions. The altitude shall not exceed 1000m. If the motor is specified to be used at an altitude exceeding 1000m, it shall be handled in accordance with the provisions of GB755-2000. 4.2.1
4.2.2 The maximum ambient air temperature varies with the seasons. The general environment shall not exceed 40℃, and the metallurgical environment shall not exceed 60℃: The minimum ambient air temperature is -15℃. If the motor is specified to be used in an ambient air temperature higher or lower than the above provisions, it shall be handled in accordance with the provisions of GB755--2000.
4.2.3 The average maximum relative humidity of the wettest month is 90%, and the average minimum temperature of the month is not higher than 25℃. 4.2.4 Indoor use.
4.2.5 Frequent starting, braking (electrical or mechanical) and reversing according to the provisions of different working systems. 4.2.6 Frequent mechanical vibration and impact.
4.3 The deviation of the power supply voltage and frequency from the rated value during the operation of the motor shall comply with the provisions of GB755-2000. 4.4 The brake shall be braked quickly and normal operation shall be guaranteed when the excitation voltage is 85% of the rated value. 4.5 When the motor is started, the rotor must be connected in series with additional resistance or reactance to limit the average value of the starting current to no more than 2 times the rated current of each working system.
4.6 The motor adopts coupling or spur gear transmission. When using spur gear transmission, the pitch circle diameter of the gear shall not be less than 2 times the shaft extension diameter. 4.7 The guaranteed value of the ratio of the maximum torque to the rated torque of the motor under rated voltage and standard duty shall not be less than that specified in Table 11, and the numerical rounding interval is 0.1.
Rated power
4.8: The tolerance of the maximum torque multiple is -10% of the guaranteed value. Maximum torque/rated torque
4.9: The insulation grades of the motor are F and H: F-grade insulation motors are suitable for places where the ambient air temperature does not exceed 40℃, and H-grade insulation motors are suitable for places where the ambient air temperature does not exceed 60℃. When the altitude and ambient air temperature meet the requirements of 4.2, the temperature rise limit and allowable temperature of each heating part of the motor shall not exceed the requirements of Table 12, and the numerical rounding interval is 1. The motor collector ring is allowed to use Class B insulation, but its temperature limit shall not exceed 120℃. If the altitude or ambient air temperature of the test site is different from that specified in 4.2, the temperature rise limit shall be corrected according to the provisions of GB755--2000. 4.10 When the three-phase power supply is balanced, the deviation of any phase of the three-phase no-load current of the motor from the three-phase average value should not be greater than 10% of the three-phase average value.6 The motor is driven by a coupling or spur gear. When spur gears are used, the pitch diameter of the gear shall not be less than twice the diameter of the shaft extension. 4.7 The guaranteed value of the ratio of the maximum torque to the rated torque of the motor under rated voltage and standard working system shall not be less than that specified in Table 11, and the numerical value shall be rounded off by 0.1.
Rated power
4.8: The tolerance of the maximum torque multiple is -10% of the guaranteed value. Maximum torque/rated torque
4.9: The insulation grade of the motor is F and H: F-grade insulation motors are suitable for places where the ambient air temperature does not exceed 40℃, and H-grade insulation motors are suitable for places where the ambient air temperature does not exceed 60℃. When the altitude and ambient air temperature meet the requirements of 4.2, the temperature rise limit and allowable temperature of each heating part of the motor shall not exceed the requirements of Table 12, and the numerical value shall be rounded off by 1. The collector ring of the motor is allowed to use Class B insulation, but its temperature limit shall not exceed 120℃. If the altitude or ambient air temperature of the test site is different from that specified in 4.2, the temperature rise limit shall be corrected in accordance with the provisions of GB755-2000. 4.10 When the three-phase power supply is balanced, the deviation of any phase of the three-phase no-load current of the motor from the three-phase average value shall not exceed 10% of the three-phase average value.6 The motor is driven by a coupling or spur gear. When spur gears are used, the pitch diameter of the gear shall not be less than twice the diameter of the shaft extension. 4.7 The guaranteed value of the ratio of the maximum torque to the rated torque of the motor under rated voltage and standard working system shall not be less than that specified in Table 11, and the numerical value shall be rounded off in intervals of 0.1.
Rated power
4.8: The tolerance of the maximum torque multiple is -10% of the guaranteed value. Maximum torque/rated torque
4.9: The insulation grade of the motor is F and H: F-grade insulation motors are suitable for places where the ambient air temperature does not exceed 40°C, and H-grade insulation motors are suitable for places where the ambient air temperature does not exceed 60°C. When the altitude and ambient air temperature meet the requirements of 4.2, the temperature rise limit and allowable temperature of each heating part of the motor shall not exceed the requirements of Table 12, and the numerical value shall be rounded off in intervals of 1. The collector ring of the motor is allowed to use Class B insulation, but its temperature limit shall not exceed 120°C. If the altitude or ambient air temperature of the test site is different from that specified in 4.2, the temperature rise limit shall be corrected in accordance with the provisions of GB755-2000. 4.10 When the three-phase power supply is balanced, the deviation of any phase of the three-phase no-load current of the motor from the three-phase average value shall not exceed 10% of the three-phase average value.
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