This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements of ZKK series alternating magnetic motor amplifiers (hereinafter referred to as motor amplifiers). This standard is applicable to 0.2~50kW motor amplifiers. JB/T 2198-1999 General technical conditions for ZKK series alternating magnetic motor amplifiers JB/T2198-1999 standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T2198
1999-08-06
2000-01-01
Wa-Yan-Wang
JB/T2198
This standard is a revision of JB2198-77ZKK series alternating magnetic motor amplifier. This standard is reorganized and arranged in accordance with the requirements of GB/1.1-1993 and GB/T1.3-1997, and combined with the content of this standard. A total of eight chapters are compiled.
While the main technical content of the previous version of this standard remains unchanged, appropriate deletions and modifications are made to its meaning and content during the revision, and the contents of the chapters and articles such as reference standards, definitions, safety requirements, test conditions, and inspection rules are added. This standard replaces JB2198-77 from the date of implementation. This standard includes specification parameters, control winding data, installation dimensions and weight as appendices. The appendix, appendix B and appendix C of this standard are all supplementary requirements. This standard is proposed and issued by the National Technical Committee for Standardization of Machinery. The drafting unit of this standard: Xiangtan Electric Motor Group Co., Ltd. The drafter of this standard: Jiang Taihe.
This standard was first issued in 1977.
1 Scope
JB/T21981999
JB219877
This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements of ZKK series alternating magnetic motor amplifiers (hereinafter referred to as motor amplifiers). This standard applies to 0.2~50kW motor amplifiers. Reference standards
The provisions contained in the following standards constitute the provisions of this standard by reference in this standard. At the time of publication, the versions shown are not all valid. All standards are subject to revision and parties using this standard should explore the possibility of using the following standards to develop new versions. GB 191—1990
GB/T 755—1987
GB/T1032—1985
GB/T1311—1989
GB/T 1993—1993
GB/T 4942.1—1993
Packaging, storage and transportation pictorial symbols
Basic technical requirements for rotating electrical machines
Test methods for small and medium-sized three-phase asynchronous motors Test methods for DC motors
Cooling methods for rotating electrical machines
Protection levels for motor housings
GB/T10068.1—1988 Vibration determination methods and limit values ​​for rotating electrical machines Vibration determination methods GB/T13384—1992
3 Definitions
3.1 Medium voltage change rate
General technical conditions for packaging of electromechanical products
The change in voltage caused by the change in load current and compensation degree, expressed as a percentage of the rated voltage: 3.2 Rated control current
The control current value when the no-load voltage is 1.3 times the rated voltage. 3.3 Residual voltage
The output voltage when the control current is gradually reduced to zero under the rated control output conditions. 3.4 AC demagnetization windings
Windings that input AC demagnetization currents in order to reduce residual voltage. 4 Classification
4.1 Classification
ZKK3J~ZKK12) Motor amplifiers are coaxial (the motor amplifier and the driving three-phase asynchronous motor are coaxial); 1999-08-06
2000-01-01
JB/T21981999
ZKK25-ZKK500 Motor amplifiers are separate (with single-axis extension or double-axis extension) 4.2 Main specifications and parameters
a) The main specifications and parameters of the motor amplifier are shown in Appendix A [Standard Appendix] h) The control system data are shown in Appendix B (Standardized Appendix). 4.3 Installation, dimensions and weight
The installation, dimensions and weight of the motor amplifier are shown in Appendix ℃ (standard appendix). 5 Requirements
5.1 Structure
s.1.1 Protection level
The protection level should comply with the provisions of IP21 in GB/T4942.1-1993. 5.1.2 Cooling method
The cooling method should comply with the provisions of ICO[ in GB/1993-1993. 5.1.3 Compensation adjustment
The compensation resistor should consist of a fixed resistor and an adjustable resistor. 5.1.4 AC demagnetization
The motor amplifier should be equipped with a power frequency AC demagnetization winding, and the coaxial motor amplifier should be installed with a power frequency AC demagnetization winding. The magnetic power supply shall be connected inside the unit by the contractor; the demagnetization power supply for separate motor expansion shall be prepared by the ordering party, but the contractor shall indicate the demagnetization voltage and current on the wiring label. 5.2 Technical requirements
5.2.14. InterchangeabilitywwW.bzxz.Net
The main parts of the same type of motor expansion machine should be interchangeable. 5.2.2 Appearance quality
The assembly (such as the polarity of each winding and the electrical neutral position, etc.) and markings of the motor expansion machine should be correct: the bearings should be loose; the surface should be clean and free of dirt, rust, paint and plating. 5.2.3 DC resistance
Under actual cold condition (20±2:), the DC resistance of each winding of the machine expansion machine should meet the requirements of the drawing: the allowable deviation of resistance is ±10%
5.2.4 Insulation
Under thermal stability, the insulation resistance of each winding to the casing and between each winding should not be less than TsMn:
5.2.5 Commutation
Level 1, connection 5.2.6-5.2.8 test
52.5.1 The commutation spark of the motor expansion machine from no-load to rated load in all cases should not exceed 1. The commutation spark is not tested, but the brushes and commutator do not need to be cleaned, and the motor can still work normally. 5.2.5.2 The position of the brush shall be clearly marked after being determined by the test. The position of the brush on the commutator shall be maintained at the determined position during the test and use. In order to meet the performance requirements, the brush of the motor amplifier is allowed to move in the direction of rotation appropriately. 5.2.5.3 The contact area between the middle brush and the commutator shall not be less than 80% of the working surface area of ​​the middle brush. The running-in part of the brush shall not be concentrated on one side of the motor axial side. 5.2.6 Maximum current JB/T21981999 The motor amplifier shall be able to withstand a current range of 3.5 times the rated current for 35 seconds without failure when the rated voltage does not exceed 0.5 times. 2.7 Maximum no-load voltage
The motor amplifier should be able to withstand a maximum no-load voltage of 1.5 times the rated medium voltage for 1 minute without any malfunction. 5.2.8 Maximum output power
The motor amplifier should be able to withstand a maximum output power of 2 times the rated power for 35 seconds at rated speed and rated voltage without any malfunction or drive motor stall. 5.2.9 External characteristics and voltage change rate range
5.2.9.1 When the motor amplifier is thermally stable, the voltage change rate is 30% when the external characteristics are adjusted to the rated current and rated voltage. Under the ambient temperature conditions specified in 5.4.2, the external characteristics when the control currents after this adjustment are 100%, 40%, 20%, and 0% of the actual measured value of the rated control current are The characteristics are all reduced. 5.2.9.2 The external characteristics of the motor amplifier should be able to be adjusted within the voltage change rate of 24%~40%. 5.2.10 Residual voltage
5.2.10.1 When AC demagnetization is used, the residual output should not be greater than 5% of the rated voltage. 5.2.10.2 When AC demagnetization is not used, the residual voltage should not be more than 15% of the rated voltage. 5,2,11 Output voltage fluctuation value
The output voltage fluctuation value of the motor amplifier when running at rated load should not exceed the following provisions: a) For motor amplifiers with a rated voltage of 115V, the fluctuation value should not be greater than 2% of the rated voltage: b) For motor amplifiers with a rated voltage of 230V and above, the fluctuation value should not be more than 1.5% of the rated voltage. 5.2.1 2 Consistency of the same control windings
5.2.12.1 The deviation between the measured resistance value and the average value of two control windings with the same parameters in the same motor amplifier should not exceed ±3% of the average value.
5.2.12.2 When two control windings with the same parameters are connected in reverse connection and the measured value of the rated control current is input, the change of the no-load output voltage based on the residual voltage should not exceed 4% of the rated voltage. 5.2.13 Ratio of stall current to rated current When driving a three-phase asynchronous motor at rated voltage, the ratio of the initial stall current to rated current should not be greater than 7. 5.2.14 Ratio of stall torque to rated torque
When driving a three-phase asynchronous motor at rated output voltage, the ratio of the initial stall torque to rated torque should not be less than 1. 5,2.15 Ratio of maximum torque to rated torque When driving a three-phase asynchronous motor at rated voltage, the ratio of maximum torque to rated torque should not be less than 2:5. 2.16 Temperature rise
5.2.16.1 The motor shall be tested under the conditions specified in 5.4.2 and operated at rated conditions. The temperature rise of each part shall not exceed the limit values ​​in Table 1. The temperature rise during the test according to 5.2.6 to 5.2.B shall not be evaluated, but the motor can still operate normally after the test. 3
Motor part
All windings of the motor
Commutator
JB/T2198
Temperature rise limit
Thermometer method
5,2,16,2When measured at point B specified in 5.2.11 of G3/T 755-1987, the allowable temperature of the bearing (not exceeding 959 when the ambient temperature does not exceed 40°C,
5.2.17 Overspeed
The motor should be able to withstand an overspeed of 1.2 times the rated speed when the motor is fully loaded, and the duration should not cause harmful deformation for 2 minutes. After the test, it should be able to withstand 5,2.21 Withstand voltage test, 5.2.18 The three-phase stepper motor driven by the coaxial motor amplifier should be able to withstand a short-term increase in the rated medium voltage of 1.3 meters when thermally stable, and the duration is 3 minutes without failure. 5.2.19 Shaft runout
The shaft runout of the motor amplifier should not exceed the requirements of Table 2. Table 2 Allowable value of shaft runout
Shaft nominal diameter t
18≤3
30≤50||tt ||5.2.20 Vibration
Allowable value of circular runout
When the motor amplifier is running at rated speed and no-load, the effective value of its vibration velocity should not exceed the provisions of Table 3. Table 3 Effective value of vibration velocity
Rated speed (ng)
y≤1800
1800<≤3600
Withstand voltage
45#H#132
Center height (H)
132
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