Non-intrusive induction motor speed detection

نویسندگان

  • Uzoma A. Orji
  • Zachary Remscrim
  • Christopher Schantz
  • John Donnal
  • James Paris
  • Mark Gillman
  • Kawin Surakitbovorn
  • Steven B. Leeb
  • James L. Kirtley
چکیده

This paper presents an algorithm that enables estimation of the speed of a single induction motor in an aggregate current signal supplying several motors from a common utility feed. This algorithm maintains accuracy of speed estimation while using shorter lengths of data, and can distinguish the activation of individual motors in the aggregate signal. The ability to separate and track distinct motor harmonics in an aggregate current signal opens the door to non-intrusive energy scorekeeping and diagnostics for systems like air conditioning that operate under closedloop control. New experimental results demonstrate the approach for these air-conditioning components in real buildings.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Non-Intrusive Fault Detection in Reciprocating Compressors

This research presents techniques developed for non-intrusive sensing and fault detection in reciprocating compressors driven by induction motors. These procedures are “non-intrusive” because they rely only on voltage and current signals measured on the compressor power cable. The electrical sensor based method allows for easy and non-intrusive determination of many fault sensitive signals that...

متن کامل

Stator Turn-to-Turn Fault Detection of Induction Motor by Non-Invasive Method Using Generalized Regression Neural Network

Condition monitoring and protection methods based on the analysis of the machine's current are widely used according to non-invasive characteristics of current transformers. It should be noted that, these sensors are installed by default in the machine control center. On the other hand, condition monitoring based on mathematical methods has been proposed in literature. However, they are model b...

متن کامل

Application of Speed Estimation Techniques for Induction Motor Drives in Electric Traction Industries and vehicles

Induction motors are the most commonly used in the traction industries and electric vehicles, due to their low primary cost, low maintenance costs, and good performance. Speed identification is needed for the induction motor drives. However, using of speed sensors in the induction motor drives is associated with problems such as, extra cost, reduced reliability, added mounting space, etc.. Ther...

متن کامل

Motor Energy Management based on Non-Intrusive Monitoring Technology and Wireless Sensor Networks 57 Motor Energy Management based on Non-Intrusive Monitoring Technology and Wireless Sensor Networks

Induction motors are widely used in industry as essential driving machines. There are many motor driven systems in plants, such as pumping systems, compressed air systems, and fan systems, etc. These motor driven systems use over 70% of the total electric energy consumed by industry. Because of the oversized installation or under-loaded conditions, motors generally operate at low efficiency whi...

متن کامل

A non-intrusive method for estimating motor efficiency using vibration signature analysis

An accurate method of estimating the efficiency of in-service motors is needed in order to determine the performance of installed motors without disrupting the motor driven process.. In this paper, the motor efficiency is estimated using a non-intrusive implementation of the compensated slip method. The motor speed is accurately estimated using motor vibration signature analysis. A few other ef...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2015