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motor testing

Static Motor Testing

Static Motor Testing

An hour long webinar on demand presented by Presented by Scott Lebruska, Baker/SKF

This webinar will answer the questions of what and how of electrical testing of motors. The what involves the measuring and tracking the dielectric strength and integrity of motor insulation and copper-to-copper potential with the motor stopped. The how involves the testing of motor components at voltage levels similar to those the motor encounters in it's normal environment. With this information the electrical maintenance person can develop a plan on how to keep his electrical rotating equipment running smoothly.

Are you smarter than your electric motors?

Test your knowledge with this PdMA Sponsored Quiz on Electric Motors.

Quiz - How well do you know your drives?

Test your knowledge with this PdMA Sponsored Quiz.

ABB to acquire Baldor Electric Company to become a global leader in industrial motion

Zurich, Switzerland, and Fort Smith, Arkansas, USA, - ABB (NYSE: ABB), the leading power and automation technology group, and Baldor Electric Company (NYSE: BEZ), a North American leader in industrial motors, have agreed that ABB will acquire Baldor in an all-cash transaction valued at approximately $4.2 billion, including $1.1 billion of net debt.

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Reliability Quiz - Take the Electric Motor Challenge

Test your knowledge with this quiz sponsored by PdMA

Repair of electric motors

None of us know when a breakdown of the insulation in an electric motor or transformer will occur, since it depends on the materials chosen and the service environment. Heat, vibration,

GPAllied

... +1 843.414.5776

U.S. Leader in Large Electric Motor Repair, Service & Storage Opens New Plant

Gregory, TX - Bradleys’ Inc., the U.S. leader in large electric motor repair, field services and storage, has expanded its Dynomometer load testing capabilities with the opening of its new 7 acre corporate repair and manufacturing campus, located at 600 East Hwy. 35 in Gregory, TX.  The facility occupies double the land area of its former location, and increases its facility space by over 30%, to meet increased customer demand for Bradleys’ services.  The firm will complete its move by December 1, 2010.  Bradleys’, Inc. recently received ISO 9001:2008 certification, in recognition of quality control excellence.

Negative Temperature Coefficient

Your motor insulation has a negative temperature coefficient. This means that as the motor temperature rises, like in normal operations, that the insulation resistance to current flow reduces. If

 

Introduction to Mechanical Analysis Using Electrical Signature Analysis

Introduction to Mechanical Analysis Using Electrical Signature Analysis

A 10 Minute iPresentation Tutorial by Richard Scott, ALL-TEST Pro

The purpose of this iPresentation is to introduce you to how Electrical Signature Analysis (ESA) can be used to evaluate the mechanical side of an electrical motor system. Moreover, ESA will improve the Detection Phase of your PdM program because it allows the technician or engineer to quickly evaluate the entire motor system from incoming power through the driven load.

Spare Motor Storage

When a motor is not properly cared for during storage damage to its bearings may occur. The two main failure modes that occur are false brinelling and static corrosion.

False brinelling occurs

EXP4000 Payback Period Tool

Baker SKF's EXP4000 includes the MotorMaster+ database of 20,000 electric motors and a Payback Period calculator. The EXP4000 provides a good estimate of the efficiency of an electric motor

Finding Electrical Failure Modes of Rotating Machinery with Electrical Testing Mechanisms

Finding Electrical Failure Modes of Rotating Machinery with Electrical Testing Mechanisms

A recorded 10 minute iPresentation by Amy Frey of Baker/SKF

Electrical maintenance professionals are expected to keep plant operations moving smoothly with an ever-decreasing budget and greater demands on their time and equipment. From this daunting task there has been a myriad of equipment made available to the maintenance professional for electrical predictive and preventative maintenance. For the purpose of this iPresentation, the focus will cover static testing of electric motors. These tests evaluate the integrity of the motor to run in the environment that it is installed.

Power Quality Surges in Importance - PQ is a Major Factor as Facilities Go Green

by Ross Ignall

The demand for productivity improvements in the 24/7 global economy, rising energy costs, and increasingly stringent Federal energy conservation initiatives impacting all areas of business and industry are only a few of the reasons why power quality considerations are seeing a renewed surge (no pun intended) of interest among operators of industrial, commercial and institutional facilities. The simple fact is that variable-speed drives, high-efficiency lighting ballasts, and other "green" improvements are themselves the frequent cause of serious power quality issues that can dramatically impact facility operations in terms of equipment service life, bottom-line profitability, and even safety. This article briefly overviews the fundamental power quality concerns facing today's industrial facility, with an eye to providing a few pointers that facility professionals can use to safeguard their operations while optimizing operational efficiency.

GE Expands European Presence with Artesis Teknoloji Sistemleri Agreement

ISTANBUL, TURKEY-GE (NYSE: GE) is further expanding its presence in Europe with an agreement with Artesis Teknologi Sistemleri, a predictive maintenance technology manufacturer headquartered in Istanbul, Turkey. Under this agreement, GE will acquire an equity share of the company, and Artesis will manufacture a range of GE’s intelligent condition monitoring products designed to detect anomalies on various motor types, sizes and loads.

Don’t throw those instructions away!

MT: Manufacturer's Literature File...where is yours?

Where are you storing your manufacturer's data sheets? On visits to various facilities we found many data sheets located inside the switchgear's empty cubical where an electrical component was recently replaced in that particular motor control center. Seems like as good a place as any to store them, right? Wrong!

What program have you put into place to file your Manufacturer's Data sheets? You know, those folded up sheets that are included with all of the electrical components you have purchased over the years. There is a wealth of information available on the sheets. Develop a central location or binder for the sheets that come with each push button, relay, contact overload heater, or any other small component that you have had to install or replace over the years. Keeping this information in one central location will result in you having a great reference tool. Soon you will begin to wonder how you ever got along without this valuable reference library.

Tip Provided by: PdMA Corporation
Tel:  +1 813.621.6463

Accurately Calculating Torque

Accurately Calculating Torque

A recorded 10 minute iPresentation by Amy Frey of Baker/SKF

The torque signal can provide a higher degree of pertinent information to the maintenance operator than the current signal. However, in order to understand this concept torque must be accurately calculated. This iPresentation provides information on how to accurately calculate torque.

The Quest For Maintaining Efficiency in Motor Repair

The Best Defense Is a Good Offense

by Kitt Butler

In the June/July issue of Uptime magazine, we introduced, “Guidelines to a Good Motor Repair” – a document designed to help facilitate communications between a motor repair vendor and the customer.  This article will explain why motor repair is important and what the marketplace is doing to ensure quality in the process. 

Trouble Shooting Wound Rotor Motors

Wound rotor motors sound complex, but fundamentally are the same as your standard AC Induction motor. The rotor receives its power from an induction process and uses some form of variable

How do you Determine Whether to Repair or Scrap an Electric Motor?

a. Is the motor greater than 25 horsepower? If the motor is greater than 25 horsepower, the first step would be to price a new motor, and compare it to the quote from the motor repair ...

Flash Over on Wound Rotor Motor Slip Rings

Preventing flash over on a Wound Rotor Motor's (WRM) slip rings requires periodic inspection and testing of the rotor's insulation system. The point of the rotor's lowest insulation resistance on

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