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Baldor•Reliance®RPM XE电机的节能对比测试实验
2020-05-15
Baldor•Reliance®RPM XE电机的节能对比测试实验



Industry:  Chemical, Oil, and Gas
Application:  Chiller Pumps
Products:  Baldor•Reliance® RPM XE Motors
行业:化学,石油和天然气
应用:冷水泵
产品:Baldor•Reliance®RPM XE电机

The Challenge
挑战

On the DuPont campus in Wilmington, DE we completed a motor performance evaluation to investigate energy savings potential using a new Baldor•Reliance motor offering. The evaluation was between an existing Premium efficient 75 HP induction motor and an RPM XE motor. The driven equipment was a chiller pump on a cooling water loop controlled by an adjustable speed drive.

在特拉华州威尔明顿的杜邦园区,我们完成了一项电机性能评估,以研究使用新型Baldor•Reliance®RPM XE电机产品的节能潜力。 评估是在现有的Premium Baldor高效电机75 HP感应电动机和Baldor•Reliance®RPM XE RPM XE电动机之间进行的。 被驱动的设备是由可调速驱动器控制的冷却水回路上的冷却泵。


The Solution
解决方案

Using calibrated meters and a power analyzer, a battery of tests was conducted on both the induction motor and the Baldor•Reliance RPM XE motor. Testing procedures were identical for both motors measuring; kW, voltage, and amp readings at various speeds for data collection and comparison. It is important to note that electrical data was measured at the INPUT to the ASD – thus the ASD losses are included in the raw data. Test data showed significant savings across a wide speed range using the RPM XE motor. Additionally, the RPM XE motor drew less current and operating frame temperature was 6 degrees Celsius cooler.
使用已校准的仪表和功率分析仪,对感应电动机和Baldor•Reliance RPM XE电动机进行了一系列测试。 两种电机测量的测试程序相同; 各种速度下的kW,电压和安培读数,用于数据收集和比较。 重要的是要注意,电气数据是在输入到ASD的输入处测量的-因此,ASD损耗包括在原始数据中。 测试数据显示,使用RPM XE电机可在很大的速度范围内节省大量资金。 此外,Baldor•Reliance®RPM XE RPM XE电动机消耗的电流更少,并且工作机架温度降低了6摄氏度。

Motor Characteristics:
电机特性:

Existing Induction Motor                VS    Baldor•Reliance®RPM XE  RPM XE Motor
现有的感应电动机                          VS    Baldor•Reliance®RPM XE  RPM XE电动机

功率:   Horsepower 75                 VS    75
转速:   RPM 1780                         VS   1800 NEMA
基座号:Frame 365T                      VS   365T
外壳:Enclosure TEFC                   VS   TEFC
电压:Voltage 460 V                       VS   460 V
额定电流:FL Amps 85.9                VS   74
效率:NEMA Nom. Eff. 95.4%        VS   96.8%
功率因数:Power Factor 85.6%      VS   99.2%

The Savings
     Energy Savings  ................................................. $1774.48
     节能................................................ .1774.48美元

Use of the RPM XE motor resulted in a power savings of 2 kilowatts when operating the pump at 1800 RPM. Overall, if the pump was running 24/7 the yearly savings would be $1774.48*.  There is potential for greater energy savings at this specific site which has two chiller pumps within the cooling tower.
当以1800 RPM的转速运行泵时,使用RPM XE电机可节省2千瓦的功率。 总体而言,如果泵全天候运行24/7,则每年可节省$ 1774.48 *。 在这个特定的站点上有更大的节能潜力,在冷却塔内有两个冷却泵。

*This assumes $.10/ kW*hr
*假设$ .10 / kW * hr



The Conclusion
结论

Based on initial testing, the chemical company can reduce energy costs by upgrading to the RPM XE motor. The savings can be contributed to the reduced losses in the electrical design of the RPM XE motor. The drive also has reduction losses due to the lower current required for the motor.
根据初步测试,该化工公司可以通过升级到RPM XE电动机来降低能源成本。 节省的费用可以帮助减少RPM XE电机的电气设计损失。 由于电动机所需的电流较小,因此驱动器还具有减少损耗的功能。

If this was a new installation, potential cost could be reduced even further. Utilizing the RPM XE motors the amperage draw is less which would provide the potential for a smaller drive to be installed as the controller. Also due to the amperage draw, smaller cabling could be installed further reducing the overall installation costs on top of the energy savings received over the life of the motor.
如果这是一个新安装,则可以进一步降低潜在成本。 使用RPM XE电动机时,电流数消耗较小,这为将较小的驱动器安装为控制器提供了可能。 同样由于电流的消耗,可以安装更小的电缆,进一步降低了总安装成本,除了在电机的整个使用寿命期间节省了能源。


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