GB/T 35714-2017 in English
VALIDMarine propulsion motors
- Issued on:2017-12-29
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$243.00
| Standard No: | GB/T 35714-2017 |
| Document status: | VALID |
| Title in English: | Marine propulsion motors |
| Title in Chinese: | 船舶推进电动机 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2017-12-29 |
| Implemented on: | 2018-07-01 |
| ICS Classification: | 47.020.60-Electrical equipment of ships and of marine structures |
| Chinese Classification: | U60-Electrical, observation/communication and navigation equipment for vessel in general |
| Professional Classification: | GB-National Standard |
| Related Keywords: | marine propulsion motors introduction
marine propulsion motors classification dimensions classification content main parameters motor propulsion motors ship propulsion motors propulsion motors case study |
| Related Topics: | advance
Motor housing GBT35714 GB/T 35714-2017 Reference standards for marine propellers Aviation propulsion motor marine motor salinity |
《GB/T 35714-2017船舶推进电动机》由TC531（全国船舶电气及电子设备标准化技术委员会）归口，TC531SC1（全国船舶电气及电子设备标准化技术委员会船舶电气设备分会）执行，主管部门为国家标准化管理委员会。
Introduction
1. Classification and basic parameters of marine propulsion motors
| Classification dimensions | Classification content | Main parameters |
|---|---|---|
| Motor type | Synchronous motor, induction motor | Rated voltage, speed range |
| Number of phases | Three-phase, multi-phase | Input current, frequency |
| Duty | S1 continuous duty | Rated power, temperature rise limit |
2. Materials and performance requirements for propulsion motors
Case study: A ship propulsion motor is made of carbon steel with a tensile strength of 441 MPa, which meets the requirements of GB/T 755. The insulation resistance test results of the motor in a hot and humid environment show that the insulation resistance of the winding to the housing is 3 MΩ in the hot state, which meets the F-class insulation standard.
| Material | Performance index | Applicable environment |
|---|---|---|
| Shaft material | Tensile strength ≥441 MPa (carbon steel) or ≥650 MPa (alloy steel) | High load, vibration environment |
| Insulation material | F/H grade insulation | High temperature, hot and humid conditions |
3. Test methods and inspection rules for propulsion motors
According to GB/T 7060 and GB/T 10068 standards, propulsion motors are subject to the following key tests:
- Temperature rise test: Run at rated speed and voltage, monitor bearing and winding temperatures.
- Vibration and noise: Use precision instruments to measure vibration severity and sound power level to ensure compliance with GB/T 10069 requirements.
- Short circuit withstand capacity: Simulate sudden short circuit conditions to verify the motor's tolerance performance.
4. Environmental adaptability and implementation recommendations
To ensure the reliability of ship propulsion motors in complex marine environments:
- Material selection: Use salt spray and mildew-resistant materials to meet GB/T 12351 requirements.
- Cooling system: Optimize water cooling or air cooling design to ensure stability under extreme temperatures.
- Protection level: Medium voltage motors use IP44 protection to adapt to ship vibration and humid environments.
- Maintenance: Regularly check the working condition of bearing lubrication, winding insulation and cooling system.
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