损耗计算是研究电机效率的基础。
Calculation of loss is the basis of determining efficiency of a motor.
本发明能够提高电机效率和电机扭矩。
The four-shaded pole asynchronous motor stator of the invention can improve motor efficiency and motor torque.
针对异步电机效率优化问题,提出了一种混合搜索方法。
A hybrid search method is proposed for the efficiency optimization of vector controlled induction motors.
应从提高电机效率,减少机壳内热交换来提高机器的性能。
To improve the compressor performance should be done by improving the motor efficiency and red...
利用有限元进行加负载分析,提取扭矩和铁耗,计算出了电机效率。
The finite element analysis was also used to extract the torque and iron losses, also obtained the Electric machinery efficiency.
这其中包括了对部分负荷下泵效率、电机效率和变频器效率变化的说明。
This of those includes description to the variations of the pump efficiency, motor efficiency and variable frequency drive (VFD) efficiency at the reduced load conditions.
系统的节能效果还受变频器效率、电机效率、水泵效率及负荷分布的影响;
The energy-saving effects are influenced by the efficiency of transducer, motor, pump and distribution of load;
从降低电机的铁耗、铜耗和机械损耗着手,给出了提高电机效率的一般方法。
The common method of enhancing the efficiency is given, such as decreasing the iron loss, copper loss and machine loss.
IEEE标准是目前最严格的标准,被全世界公认为衡量电机效率的评判标准。
IEEE standard is the most stringent standards are recognized around the world to measure motor efficiency criteria.
采用强制式风冷来冷却振动电机,快速降低电机温度,提高电机效率,延长使用寿命。
The use of compulsory air to cool the vibrating motor, fast to reduce motor temperature, improve the electrical efficiency, long life.
只要合理地确定结构和参数,绝缘拼接式磁性槽楔不但能提高电机效率,还能提高电机负载能力。
It is shown that the spliced insulation magnet slot wedge can raise the efficiency and load bearing capacity of electric machine if the structure and parameters are reasonably defined.
适当增加铁心长度可以有效提高电机效率和功率因数,但会导致启动转矩倍数和最大转矩倍数减小。
Increasing core length properly can raise motor efficiency and power factor, but it will reduce locked-rotor torque ratio and breakdown torque ratio.
从满足高效和超高效电机的效率测试出发,研究和设计了一套基于静止变频电源的电机效率测试系统。
For the purpose of meeting high efficiency and premium efficiency motor tests, a set of static variable frequency power supply test system was researched and designed.
最终优选在有效材料使用量、电压调整率、电机效率等方面具有明显优势的50极、180槽电磁方案。
The 50 poles 180 slots generator has the advantage in amount of electromagnetic materials usage, voltage regulation rate, and electrical efficiency.
反之,当H 0大到一定程度时,受电机效率下降和调速系统本身效率的影响,采用变频调速可能不节能甚至反而增加能源浪费。
Conversely, when H0 large to a certain extent, the decline in motor efficiency and speed efficiency of the system itself, using energy-saving VVVF may not even increase instead of wasting energy.
新型的小规模热电联产机组,能够将燃料中大约一半的能量转化为电力,其效率已与大型发电机的效率相若。
New types of tiny combined heat and power plants are able to turn about half the energy in fuel into electricity, almost matching the efficiency of huge generators.
众多的发电机-转化器组合基于拓扑结构、成本、效率、能耗和操控复杂度进行比较。
The many different generator–converter combinations are compared on the basis of topology, cost, efficiency, power consumption and control complexity.
这些小型发电机几乎与巨型发电机的效率相同,并且产生的余热可用于家庭保温和烧水。
These miniature power plants are almost as efficient as huge generators and the heat they produce can be used to heat our homes and water.
早期的研究表明,这种装置的效率有可能达到现存海浪能发电机工作效率的十倍以上。
Early tests suggest that it could be as much as ten times more efficient than existing wave generators.
间距控制:为了最大限度地根据风速变化提升发电效率,新型风力发电机上的控制器每秒钟都能够对每一片风叶进行任何角度的调整。
Pitch controller: to maximize lift as the wind speed changes, a controller can automatically rotate each blade anywhere from a fraction of a degree to multiple degrees per second.
在一项提高能源效率的努力中,智能工作场所的很大一部分热来自于太阳能,然后从发电机获得热量。注:我的理解是不是先太阳能发电,然后电能转换成热能?
In an effort to increase energy efficiency, much of the heat in the Intelligent Workplace comes from solar thermal energy and recaptured heat from generators.
为了提高陀螺电机动态性能的测试精度和测试效率,进而控制该性能,开发了一套测试、分析系统。
A system of measurement and analysis is developed to improve the accuracy and efficiency of measurement and to control the dynamic performance of gyro motor.
采用较大的电机及压缩机主机,其效率较高,从而能耗费用较为低。
The more motor and compressors host, the high efficiency and low cost, energy consumption is.
此项目研究的负责人吉田繁雄(Shigeo Yoshida)表示,在此种情况下,这会比逆风风力发电机设计的发电效率高出5- 8%以上。
According to Shigeo Yoshida, who is in charge of research for the project, that makes the arrangement 5-8% more efficient in these circumstances than an upwind turbine would be.
节能:高效率的同步电机,其消耗的能量仅为传统曳引机的60%左右,每年可节省可观的使用成本。
Energy Saving: High efficiency synchronic motor, its consumption energy is only 60% of normal traction machine. It can save a big amount of running cost.
为了满足螺杆空压机运行中的节能,必须有一种高效率变转速的驱动电机。
In order to meet the screw air compressor operation of the energy saving, there must be an efficient change speed motor drive.
但步进电机的效率低,拖动负载的能力不大,脉冲当量不能太大,调速范围不大。
But the step motor efficiency is low, the ability is not big, load drag pulse equivalent cannot too big, speed range is not big.
但步进电机的效率低,拖动负载的能力不大,脉冲当量不能太大,调速范围不大。
But the step motor efficiency is low, the ability is not big, load drag pulse equivalent cannot too big, speed range is not big.
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