surface (IC416).
3. The degree of protection of enclosure is IP54 and can be IP55 or IP56 in accordance with
user’s requirement.
YZP 系列电机工作方式及功率折算系数
YZP series motors duty type & power conversion rate
constant-torque speed control is 1- 50Hz, the constant- power speed control is 50-100Hz. 2. The insulation class of motor is F or H according to user’s demands. 3. Motors have good performance at low speed that torque is smooth and no crawling circumstance exists. 4. The overload capability of motors is good, and the motors can be operated with overload of 200% of rated torque within 1 minute at the rated voltage and the frequency. 5. For the type of wire-connection, in general, motors of frame size 280 and below are of Y-connection, motors of frame size 315 and above are of △-connection. 6. The starting capability of motors is good at low speed, the starting moment can reach 1.5 times rated torque at low frequency. 7. Various high resolution sensors (photoelectric code devices, speed-testing generator and hypervelocity switch .etc) can be fitted to motor according to user’s demands, and electromagnetic brake, gear-box or other accessories also can be fitted.
relative humidity air not higher than 90%.The power conversion rate is different at the
different ambient temperature and altitude, which should be chosen according to the data of
1.0 1.0 0.85
S4、S5 300 次/小时 times/hour
40% 60%
0.80 0.70
S4、S5 600 次/小
时 times/hour
60%
0.60
3
五、电动机结构及安装型式 Construction and Mounting Type
电动机的结构及安装型式为 IMB3、IMB6、IMB7、IMB8、IMV5、IMV6、IMB5、IMV1、
YZP、YZPF series crane variable frequency adjustment speed three-phase asynchronous motor are developed by our company, are specially suitable for driving various types of crane, which integrated our abundant experience in the variable-frequency adjustable-speed field. Absorbed the best of both domestic and abroad advanced techniques, the motors are especially suitable for high starting torque and frequent starting of crane. They can be matched with various frequency conversion devices both home and abroad, compose an adjustment speed system of alternating current and frequency conversion, have precision accuracy and high dynamic constant. The basic technical requirements conform to the international IEC34-1 standard and national GB755 standard, and the mounting dimensions conform to the international IEC72 standard.
IMV3、IMB35、IMV15、IMV36，并按下表的规定制造。
The construction and mounting type are IMB3、IMB6、IMB7、IMB8、IMV5、IMV6、 IMB5、IMV1、IMV3、IMB35、IMV15、IMV36，Which should be manufactured according
2．YZP 系列的冷却方式为 IC411（全封闭、自带风扇冷却）；YZPF 系列冷却方式为 IC416 （全封闭、轴向风冷却）。
3.电机的外壳防护等级为 IP54，也可按用户要求制成 IP55、IP56。 1. Reference duty of YZP series motor is S3-40%, reference duty of YZPF series motor is S3-60%.
the below table.
环境温度
Ambient temperature
30℃ 35℃ 40℃ 45℃ 50℃ 55℃ 60℃
1000
100% 100% 100% 95% 90% 85% 80%
海拔高度 Altitude(m)
1500
100% 100% 97% 92% 87% 82%
2000
100% 97% 93% 88% 84%
2
2. YZP series motors are the totally enclosed with self-fan cooling on the surface (IC411),
YZPF series motors are the totally enclosed with independent axial blower cooling on the
二、型号说明 Type Designation
1
三、使用条件 Conditions
海拔小于 1000m，环境温度小于 40℃,相对湿度小于 90%，对不同环境温度及安装海
拔高度按下表选取电机功率。
Altitude not over 1000m above sea level, ambient temperature not exceed +40℃ and
4
6．低速起动性能好，低频时起动转矩可达到额定转矩的 150%。 7．根据用户要求可带各种高分辨率的传感器(光电编码器，测速发电机，超速开关 等)可带电磁制动器，齿轮减速器等附件。 1. The rated voltage of motor is 380V, the frequency conversion range is 1-100Hz, the
工作制 Duty
功率折算系 数
Power Conversion
rate
S3
30 60 分分 钟钟 min min
1.0 1.0
S3 6 次/小时 times/hour 15% 25% 40% 60% 100% 1.0 1.0 1.0 0.85 0.72
S4、S5 150 次/小时 times/hour
2500
98% 94% 90% 85% 81%
3000
95% 91% 87% 83%
四、工作制、冷却方式、防护等级 Duty、Cooling Method and Protection Degree
1．YZP 系列电机的基准工作制为 S3，负载持续率为 40%，YZPF 系列电机的工作制为 S3， 负载持续率为 60%。
25% 40% 60%
1.0 0.85 0.75
S4、S5 300 次/小时 times/hour
40% 60%
ห้องสมุดไป่ตู้0.72 0.64
S4、S5 600 次/小
时 times/hour
60%
0.50
YZPF 系列电机工作方式及功率折算系数
YZPF series motors duty type & power conversion rate
工作制 Duty
功率折算系 数
Power Conversion
rate
S3
30 60 分分 钟钟 min min
1.0 1.0
S3 6 次/小时 times/hour 15% 25% 40% 60% 100% 1.0 1.0 1.0 1.0 0.9