Shaft Generator
High-power direct-drive shaft generator system using GD880 water-cooled AFE rectifier, bidirectional energy flow, adaptable for PTO/PTH/PTI multi-mode operation.
Popular Searches:
Industry Challenges
01
High auxiliary engine fuel consumption during navigation, putting pressure on operating costs.
02
Wide speed range of main engine makes voltage stabilisation difficult for traditional shaft generators.
03
Shaft generator system creates interference to daily loads, affecting navigation safety.
04
Cannot respond quickly when emergency propulsion power is required.
INVT Solution
Shaft Generator
Uses GD880 series water-cooled AFE rectifier drive with bidirectional energy flow. Adapts to varying generator parameters and wide motor speed range. Supports PTO (shaft generation), PTH (propulsion), PTI (power take-in) modes. Stable and reliable, can also serve as emergency propulsion power.
View Larger ImageSolution Highlights
Core Concept
Full-speed voltage stabilisation and multi-mode operation – an efficient, energy-saving shaft generator solution for large vessels.
Technical Claims
AFE active front end: bidirectional energy flow, four-quadrant operation, regenerative energy fed back to the grid.
Wide speed range adaptability: automatic voltage stabilisation when generator speed changes; stable output voltage/frequency.
Multi-mode integration: PTO, PTH, PTI – one drive for multiple functions.
Water-cooled design: suitable for high-temperature engine room, high power density, saves space.
Customer Benefits
01Fuel Cost Saving
Uses main engine surplus power for generation, reduces auxiliary engine operation, fuel consumption cut by 10–15%.
02Higher Energy Efficiency:
AFE energy feedback improves system efficiency, lowers total energy consumption.
03Emergency Backup
Can act as emergency propulsion power, improving vessel safety.
04Clean Grid
AFE rectifier harmonics <3%, no interference to daily loads.
小功率轴发解决方案
适用于励磁同步发电机的小功率PTO模式
View Larger Image方案主张2
核心理念
一体化集成，构建自主可控、高效稳定的智能搬运系统
技术主张
抱轴式：采用GD880系列水冷产品，AFE整流稳定电源，可以适应多变的发电机参数及广泛的电机转速范围；能量双向流动，系统更安全可靠
增速齿轮式：采用GD350-EP，电压适用性广，发电机电压支持150V-440V发电范围，轴发工作频率范围宽：25~75Hz。
网侧电压双闭环控制策略，谐波小、负载转移平滑、突加突卸波动更小，比行业规范标准更高。
方案价值
01节省运营成本
提高燃油效率，节省运营成本，节能率可达5%
02对日用配电友好
满载谐波小于3%，对日用配电友好
03可做备用推进动力
可做备用推进动力，可以通过混动系统削峰填谷实现节能
04提高能源效率减少排放
通过轴发系统为船用电网发电可减少对辅助发电机的需求，延长辅助发电机的维护间隔，提高能源效率减少排放
Industry Solutions
-
Port Shore Power
Provide variable frequency power supply for terminals and shipyards to reduce pollutant emissions and power supply costs while vessels are at berth.
Learn More -
Electric Propulsion
Use GD880 series water-cooled multi-drive inverters, adaptable to AC/DC grid configurations, providing efficient, reliable, low-noise electric drive for main and side thrusters.
Learn More -
Ship-to-Shore
For hoist, trolley and gantry mechanisms of STS cranes, provide multi-motor master-slave synchronisation and energy feedback drive to improve handling efficiency and energy savings.
Learn More -
RTG
For RTGs, provide hybrid power or energy feedback solutions to recover potential energy and enable diesel engine cylinder cut-out, significantly reducing fuel consumption and carbon emissions.
Learn More -
Portal Crane
For hoist, luffing and slewing mechanisms of portal cranes, provide high dynamic response and energy feedback drive to solve load slipping and energy waste issues.
Learn More -
Electric Vessel
Use PCS to realise bidirectional energy flow – zero-emission operation in all-electric mode, and diesel-battery cooperation in hybrid mode to ensure range and environmental protection.
Learn More
Have questions or need support?
Our professional team is here to help.
Inquiry
TOP
Popular Searches:
Repair Progress Tracking | Identity Verification
To protect your repair information, please verify using the mobile number reserved on the service order.
Verify with the reserved mobile number
Verify
SMS Verification Code *
If you cannot receive the code, please contact the after-sales hotline. 400-700-9997
Contact INVT
Get in touch with INVT. Our team will get back to you shortly.
Full Name *
Company Name *
Email Address *
Phone Number *
Country *
City
Inquiry Type *
Product Category *
Select the product you're interested in.
-
Industrial Automation
-
Network Power
-
PV & ESS
-
e-Mobility
Your Message / Requirements *
I have read and agree to INVT Privacy Policy and Terms of Use
Captcha *
