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Baldor超高效电机节能计算-食品行业引风机电机
2020-04-24
Baldor超高效电机节能计算-食品行业引风机电机




Industry:  Snacks and Coffee
行业:小吃和咖啡
Application:  Energy Savings - Induced Draft Fans
应用:节能-引风机
Products:  Baldor•Reliance XEX Motors
产品:Baldor•Reliance XEX电机
Documented savings
case study no.20
记录的节省
案例研究20

The Challenge
挑战
A coffee manufacturing facility in New Orleans was making considerations on a new motor for their three Induced Draft (ID) Fans on the process end of the operation. Repairs had become frequent, and there was a decision to be made on repairing the motors or purchasing new motors.
位于新奥尔良的一家咖啡制造厂正在考虑在操作过程结束时为其三台引风机(ID)风扇使用新电机。 维修变得越来越频繁,因此决定要修理电动机或购买新电动机。

The Baldor•Dodge•Reliance Solution
Baldor•Dodge•Reliance解决方案
The local distributor representative and Baldor worked together with the manufacturer to select the Baldor•Reliance XEX motor. The mechanical features of the XEX were well suited for the environment, and the XEX line is NEMA Premium efficient.
当地分销商代表和Baldor与制造商一起选择了Baldor•Reliance XEX电机。 XEX的机械特性非常适合环境,并且XEX系列具有NEMA Premium的高效性。

Energy Savings
节约能源
Payback for new versus repair was within (1) year. The manufacturer therefore decided to purchase a new motor. The investment of purchasing a NEMA Premium™ efficient motor over a standard energy efficient also paid off very quickly. Energy Savings for the first year yielded a savings of over $9,700, and is over $29,000 for the first three years. If you consider an average motor life of fifteen years, this is over $150,000 in energy savings. See the back page for the detailed energy analysis.  
新的与维修的投资回收期为(1)年。因此,制造商决定购买新的电动机。购买NEMA Premium™高效电机而不是标准节能产品的投资也很快得到了回报。第一年的节能量产生了超过9,700美元的节省,并且头三年节省了超过29,000美元。如果您考虑电动机的平均寿命为15年,则可节省15万美元以上的能源。有关详细的能量分析,请参见后页。

Additional Energy Considerations
其他能源注意事项
In addition to the motor, savings on variable torque applications such as centrifugal fans and pumps should be considered with variable frequency drives (VFD). In the case of ID fans, this is applicable in that most facilities are using a mechanical damper to regulate flow. Flow is directly proportional to fan speed (RPM). In a variable torque relationship, the input power of a motor varies exponentially with the speed (RPM). For example, if a fan is being mechanically dampered at 60%, regulating speed (RPM) with a VFD to 60% would require only 20% of the input power. See the graph to the right for the illustration of this relationship. Most applications yield less than a six month payback for the investment of a VFD.
除电动机外,还应考虑在变频驱动器(VFD)上节省诸如离心风机和泵之类的可变转矩应用。对于ID风扇,这适用于大多数设施都使用机械阻尼器调节流量的情况。流量与风扇速度(RPM)成正比。在可变转矩关系中,电动机的输入功率随速度(RPM)呈指数变化。例如,如果对风扇进行60%的机械阻尼,则将VFD调节为60%的转速(RPM)仅需要20%的输入功率。有关这种关系的说明,请参见右图。大多数应用程序的VFD投资回报期不到六个月。

The Conclusion
结论
Baldor continues to be the leader in energy efficient solutions. Contact your local Baldor representative to discuss your energy savings efforts. Consider a comprehensive Installed Base Evaluation (IBE) which will give you a complete energy analysis for the motors in your facility.
Baldor继续是节能解决方案的Leader。 请与您当地的Baldor代表联系,讨论您的节能工作。 考虑全面的安装基础评估(IBE),它将为您的设施中的电动机提供完整的能量分析。


Energy savings : $9,725
节省能源:$ 9,725

S= Energy Savings per year @ 100% Load
S =每年在100%负载下节省的能源

S= .746 x QTY HP X C X N (100/EE - 100/PE)
S = .746 x数量x功率(HP) X电价( C )X 年运行时间(N)x(100 / EE-100 / PE)

2-Year Savings $19,451.43
两年节省$ 19,451.43

3-Year Savings $29,177.14
3年节省$ 29,177.14

Quantity 3 (On ID Fans)
数量3(在ID风扇上)

Horsepower 300 HP = Motor horsepower
马力300马力=电机马力

Energy Costs 0.06 C = Energy costs $ per Kilowatt Hour (kWh)
能源成本0.06 C =每千瓦时(kWh)的能源成本$

Hours per Year 8760 N = Hours per year running time
每年的小时数8760 N =每年的运行时间

EE Efficiency 94 EE = Energy Efficiency product at full load (%)
EE效率94 EE =满负荷时的能效产品(%)

PE Efficiency 96.5 PE = Premium Efficiency product at full load (%)
PE效率96.5 PE =满载时的超高效率产品(%)

Hours per Day
每天营业时间

24 Days per Year 365
每年24天365

Hours per Year 8,760
每年的小时数8,760

PE Motor Cost $11,111.00  Purchase price of PE motor
PE马达成本$ 11,111.00 PE马达的购买价格

EE Motor Cost $10,668.00  Purchase price of EE motor
EE电机成本$ 10,668.00 EE电机的购买价格

Savings $9,725.71 Savings over time period (1 Year)
节省$ 9,725.71节省的时间段(一年)

Payback 0.05 Time (in Years) in which savings will pay for PE motor.
投资回收期0.05年(以年为单位),其中节省的时间用于购买PE电机。
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